30-percent engineering design services for the new … · 30-percent engineering design services...
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30-Percent Engineering Design Services for the
New Mexico Unit of Central Arizona Project
December 6 2016
Phase 2 ndash Project Kickoff Meeting
Overview
ndash Phase 1 Scope and Findings Summary
ndash Phase 2 Scope Schedule and Deliverables
ndash Gila Diversion Preliminary Findings
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 2
Phase 1 Scope and Findings
Phase 1 ndash Scope Summary
Scope
Develop Screening Criteria for Diversion and Storage Concepts along the
Gila and Mogollon
ndash Storage reservoirs and ASR
ndash Diversions open channel pipelines and pumping
ndash Assess environmental impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 4
Phase 1 ndash Selected Alternative
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 5
Phase 1 ndash Selected Alternative
Alternative 4 (Selected Alternative)
Initial Phase
ndash Diversion of 150 cfs
ndash Flood infiltration and storage with additional basins in the Cliff-Gila
Valley
ndash Ranney Wells
ndash Construct Winn Reservoir and Diversion to 3845 AF
ndash Pipeline and pumping to the Upper Gila ditch
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 6
Phase 2 ndash Scope Schedule and
Deliverables
Phase 2 ndash Scope Schedule and Deliverables
Scope
ndash Diversion
ndash ASR ground water model
ndash ASR geotechnical investigation
ndash ASR down valley sites
ndash Agency requirements
ndash Additional work
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 8
Phase 2 ndash Schedule
9 30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project
Project Milestones
ndash Task 6 ndash Project Management NTP ndash 1172016
ndash Task 7 ndash Diversions NTP ndash 1172016
ndash Draft Report Submitted 1222016
ndash Task 8 ndash Coordination Meeting NTP - TBD
ndash Task 9 ndash ASR Ground Water Model NTP ndash TBD
ndash Task 10 ndash Geotechnical Investigation NTP - TBD
ndash Task 11 ndash ASR Down Valley Sites NTP ndash TBD
ndash Task 12 ndash Agency Coordination NTP - TBD
Phase 2 ndash Deliverables
Deliverables
ndash Diversion Report
ndash ASR Numerical Model
ndash ASR Geotechnical Report
ndash Down Valley ASR Observations Memorandum
ndash Permitting Summary Memorandum
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 10
Gila Diversion Preliminary
Findings
Gila Gage Diversion Site
ndash Gila Stream Gage
bull USGS 09430500
ndash Land Ownership
bull US Forest Service (USFS)
o No diversion activities on USFS lands
bull TNC amp State of New Mexico
o Co-ownership
o National Lands Protection Act (NLPA)
ndash Access Road Improvements
bull Regrade slopes gt12
bull Crossing of Mogollon Creek
bull Construction amp maintenance
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 12
Conceptual Diversion
Alternatives Criteria
Site Evaluation Criteria
ndash Available Head
bull Highest point below USFS boundary
ndash All Weather Access
bull Except during flooding events
ndash Structural Stability
bull Key diversion to bedrock
ndash Lateral amp Vertical Channel Stability
bull Bedrock along both banks
bull Observed channel degradation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 14
Design Alternatives Selection Criteria
ndash Structure Design
bull Grouted boulder vs cast concrete
bull Adjustable vs fixed invert
bull At grade vs surface water intake
ndash Sediment Transport
bull Promote sediment continuity
bull Prevent erosion amp sedimentation
ndash Structure Bypass
bull Maintain design channel alignment
bull Prevent future channel avulsion
ndash Upstream Fish Passage
bull Design to TampE species requirements
bull Minimize limiting velocities amp depths
ndash Downstream Navigability
bull Minimize recreational hazards
httpwwwwildlifestatenmusfishinggame-fishcold-water
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 15
Conceptual Diversion
Alternatives 30 Design
Engineered Riffle Diversion
ndash Invert 4662rsquo to 4666rsquo
ndash Grouted Boulder or Concrete
ndash Cast Concrete Walls
ndash Elongated Riffle Rundown
ndash Riprap Bank Protection
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 17
Engineered Riffle Diversion
ndash Pros
bull Cost to construct
bull Fewer mechanical systems
bull Reduced power requirements
bull Recreational navigation
ndash Cons
bull Non-adjustable invert
bull Static sediment management
bull No fish passage channel
bull Reduced flood flow conveyance
Engineered Riffle Kremlin CO
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 18
Obermeyer Pneumatic Gates Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 19
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
Obermeyer Pneumatic Gates Diversion
ndash Pros
bull Adjustable invert
bull Dynamic sediment flushing
bull Fish passage opportunities
bull Flood flow conveyance
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Additional power requirements
Albuquerque Diversion Dam httpmapionetpicp-5170793
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 20
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Overview
ndash Phase 1 Scope and Findings Summary
ndash Phase 2 Scope Schedule and Deliverables
ndash Gila Diversion Preliminary Findings
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 2
Phase 1 Scope and Findings
Phase 1 ndash Scope Summary
Scope
Develop Screening Criteria for Diversion and Storage Concepts along the
Gila and Mogollon
ndash Storage reservoirs and ASR
ndash Diversions open channel pipelines and pumping
ndash Assess environmental impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 4
Phase 1 ndash Selected Alternative
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 5
Phase 1 ndash Selected Alternative
Alternative 4 (Selected Alternative)
Initial Phase
ndash Diversion of 150 cfs
ndash Flood infiltration and storage with additional basins in the Cliff-Gila
Valley
ndash Ranney Wells
ndash Construct Winn Reservoir and Diversion to 3845 AF
ndash Pipeline and pumping to the Upper Gila ditch
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 6
Phase 2 ndash Scope Schedule and
Deliverables
Phase 2 ndash Scope Schedule and Deliverables
Scope
ndash Diversion
ndash ASR ground water model
ndash ASR geotechnical investigation
ndash ASR down valley sites
ndash Agency requirements
ndash Additional work
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 8
Phase 2 ndash Schedule
9 30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project
Project Milestones
ndash Task 6 ndash Project Management NTP ndash 1172016
ndash Task 7 ndash Diversions NTP ndash 1172016
ndash Draft Report Submitted 1222016
ndash Task 8 ndash Coordination Meeting NTP - TBD
ndash Task 9 ndash ASR Ground Water Model NTP ndash TBD
ndash Task 10 ndash Geotechnical Investigation NTP - TBD
ndash Task 11 ndash ASR Down Valley Sites NTP ndash TBD
ndash Task 12 ndash Agency Coordination NTP - TBD
Phase 2 ndash Deliverables
Deliverables
ndash Diversion Report
ndash ASR Numerical Model
ndash ASR Geotechnical Report
ndash Down Valley ASR Observations Memorandum
ndash Permitting Summary Memorandum
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 10
Gila Diversion Preliminary
Findings
Gila Gage Diversion Site
ndash Gila Stream Gage
bull USGS 09430500
ndash Land Ownership
bull US Forest Service (USFS)
o No diversion activities on USFS lands
bull TNC amp State of New Mexico
o Co-ownership
o National Lands Protection Act (NLPA)
ndash Access Road Improvements
bull Regrade slopes gt12
bull Crossing of Mogollon Creek
bull Construction amp maintenance
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 12
Conceptual Diversion
Alternatives Criteria
Site Evaluation Criteria
ndash Available Head
bull Highest point below USFS boundary
ndash All Weather Access
bull Except during flooding events
ndash Structural Stability
bull Key diversion to bedrock
ndash Lateral amp Vertical Channel Stability
bull Bedrock along both banks
bull Observed channel degradation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 14
Design Alternatives Selection Criteria
ndash Structure Design
bull Grouted boulder vs cast concrete
bull Adjustable vs fixed invert
bull At grade vs surface water intake
ndash Sediment Transport
bull Promote sediment continuity
bull Prevent erosion amp sedimentation
ndash Structure Bypass
bull Maintain design channel alignment
bull Prevent future channel avulsion
ndash Upstream Fish Passage
bull Design to TampE species requirements
bull Minimize limiting velocities amp depths
ndash Downstream Navigability
bull Minimize recreational hazards
httpwwwwildlifestatenmusfishinggame-fishcold-water
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 15
Conceptual Diversion
Alternatives 30 Design
Engineered Riffle Diversion
ndash Invert 4662rsquo to 4666rsquo
ndash Grouted Boulder or Concrete
ndash Cast Concrete Walls
ndash Elongated Riffle Rundown
ndash Riprap Bank Protection
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 17
Engineered Riffle Diversion
ndash Pros
bull Cost to construct
bull Fewer mechanical systems
bull Reduced power requirements
bull Recreational navigation
ndash Cons
bull Non-adjustable invert
bull Static sediment management
bull No fish passage channel
bull Reduced flood flow conveyance
Engineered Riffle Kremlin CO
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 18
Obermeyer Pneumatic Gates Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 19
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
Obermeyer Pneumatic Gates Diversion
ndash Pros
bull Adjustable invert
bull Dynamic sediment flushing
bull Fish passage opportunities
bull Flood flow conveyance
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Additional power requirements
Albuquerque Diversion Dam httpmapionetpicp-5170793
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 20
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Phase 1 Scope and Findings
Phase 1 ndash Scope Summary
Scope
Develop Screening Criteria for Diversion and Storage Concepts along the
Gila and Mogollon
ndash Storage reservoirs and ASR
ndash Diversions open channel pipelines and pumping
ndash Assess environmental impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 4
Phase 1 ndash Selected Alternative
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 5
Phase 1 ndash Selected Alternative
Alternative 4 (Selected Alternative)
Initial Phase
ndash Diversion of 150 cfs
ndash Flood infiltration and storage with additional basins in the Cliff-Gila
Valley
ndash Ranney Wells
ndash Construct Winn Reservoir and Diversion to 3845 AF
ndash Pipeline and pumping to the Upper Gila ditch
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 6
Phase 2 ndash Scope Schedule and
Deliverables
Phase 2 ndash Scope Schedule and Deliverables
Scope
ndash Diversion
ndash ASR ground water model
ndash ASR geotechnical investigation
ndash ASR down valley sites
ndash Agency requirements
ndash Additional work
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 8
Phase 2 ndash Schedule
9 30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project
Project Milestones
ndash Task 6 ndash Project Management NTP ndash 1172016
ndash Task 7 ndash Diversions NTP ndash 1172016
ndash Draft Report Submitted 1222016
ndash Task 8 ndash Coordination Meeting NTP - TBD
ndash Task 9 ndash ASR Ground Water Model NTP ndash TBD
ndash Task 10 ndash Geotechnical Investigation NTP - TBD
ndash Task 11 ndash ASR Down Valley Sites NTP ndash TBD
ndash Task 12 ndash Agency Coordination NTP - TBD
Phase 2 ndash Deliverables
Deliverables
ndash Diversion Report
ndash ASR Numerical Model
ndash ASR Geotechnical Report
ndash Down Valley ASR Observations Memorandum
ndash Permitting Summary Memorandum
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 10
Gila Diversion Preliminary
Findings
Gila Gage Diversion Site
ndash Gila Stream Gage
bull USGS 09430500
ndash Land Ownership
bull US Forest Service (USFS)
o No diversion activities on USFS lands
bull TNC amp State of New Mexico
o Co-ownership
o National Lands Protection Act (NLPA)
ndash Access Road Improvements
bull Regrade slopes gt12
bull Crossing of Mogollon Creek
bull Construction amp maintenance
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 12
Conceptual Diversion
Alternatives Criteria
Site Evaluation Criteria
ndash Available Head
bull Highest point below USFS boundary
ndash All Weather Access
bull Except during flooding events
ndash Structural Stability
bull Key diversion to bedrock
ndash Lateral amp Vertical Channel Stability
bull Bedrock along both banks
bull Observed channel degradation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 14
Design Alternatives Selection Criteria
ndash Structure Design
bull Grouted boulder vs cast concrete
bull Adjustable vs fixed invert
bull At grade vs surface water intake
ndash Sediment Transport
bull Promote sediment continuity
bull Prevent erosion amp sedimentation
ndash Structure Bypass
bull Maintain design channel alignment
bull Prevent future channel avulsion
ndash Upstream Fish Passage
bull Design to TampE species requirements
bull Minimize limiting velocities amp depths
ndash Downstream Navigability
bull Minimize recreational hazards
httpwwwwildlifestatenmusfishinggame-fishcold-water
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 15
Conceptual Diversion
Alternatives 30 Design
Engineered Riffle Diversion
ndash Invert 4662rsquo to 4666rsquo
ndash Grouted Boulder or Concrete
ndash Cast Concrete Walls
ndash Elongated Riffle Rundown
ndash Riprap Bank Protection
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 17
Engineered Riffle Diversion
ndash Pros
bull Cost to construct
bull Fewer mechanical systems
bull Reduced power requirements
bull Recreational navigation
ndash Cons
bull Non-adjustable invert
bull Static sediment management
bull No fish passage channel
bull Reduced flood flow conveyance
Engineered Riffle Kremlin CO
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 18
Obermeyer Pneumatic Gates Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 19
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
Obermeyer Pneumatic Gates Diversion
ndash Pros
bull Adjustable invert
bull Dynamic sediment flushing
bull Fish passage opportunities
bull Flood flow conveyance
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Additional power requirements
Albuquerque Diversion Dam httpmapionetpicp-5170793
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 20
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Phase 1 ndash Scope Summary
Scope
Develop Screening Criteria for Diversion and Storage Concepts along the
Gila and Mogollon
ndash Storage reservoirs and ASR
ndash Diversions open channel pipelines and pumping
ndash Assess environmental impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 4
Phase 1 ndash Selected Alternative
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 5
Phase 1 ndash Selected Alternative
Alternative 4 (Selected Alternative)
Initial Phase
ndash Diversion of 150 cfs
ndash Flood infiltration and storage with additional basins in the Cliff-Gila
Valley
ndash Ranney Wells
ndash Construct Winn Reservoir and Diversion to 3845 AF
ndash Pipeline and pumping to the Upper Gila ditch
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 6
Phase 2 ndash Scope Schedule and
Deliverables
Phase 2 ndash Scope Schedule and Deliverables
Scope
ndash Diversion
ndash ASR ground water model
ndash ASR geotechnical investigation
ndash ASR down valley sites
ndash Agency requirements
ndash Additional work
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 8
Phase 2 ndash Schedule
9 30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project
Project Milestones
ndash Task 6 ndash Project Management NTP ndash 1172016
ndash Task 7 ndash Diversions NTP ndash 1172016
ndash Draft Report Submitted 1222016
ndash Task 8 ndash Coordination Meeting NTP - TBD
ndash Task 9 ndash ASR Ground Water Model NTP ndash TBD
ndash Task 10 ndash Geotechnical Investigation NTP - TBD
ndash Task 11 ndash ASR Down Valley Sites NTP ndash TBD
ndash Task 12 ndash Agency Coordination NTP - TBD
Phase 2 ndash Deliverables
Deliverables
ndash Diversion Report
ndash ASR Numerical Model
ndash ASR Geotechnical Report
ndash Down Valley ASR Observations Memorandum
ndash Permitting Summary Memorandum
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 10
Gila Diversion Preliminary
Findings
Gila Gage Diversion Site
ndash Gila Stream Gage
bull USGS 09430500
ndash Land Ownership
bull US Forest Service (USFS)
o No diversion activities on USFS lands
bull TNC amp State of New Mexico
o Co-ownership
o National Lands Protection Act (NLPA)
ndash Access Road Improvements
bull Regrade slopes gt12
bull Crossing of Mogollon Creek
bull Construction amp maintenance
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 12
Conceptual Diversion
Alternatives Criteria
Site Evaluation Criteria
ndash Available Head
bull Highest point below USFS boundary
ndash All Weather Access
bull Except during flooding events
ndash Structural Stability
bull Key diversion to bedrock
ndash Lateral amp Vertical Channel Stability
bull Bedrock along both banks
bull Observed channel degradation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 14
Design Alternatives Selection Criteria
ndash Structure Design
bull Grouted boulder vs cast concrete
bull Adjustable vs fixed invert
bull At grade vs surface water intake
ndash Sediment Transport
bull Promote sediment continuity
bull Prevent erosion amp sedimentation
ndash Structure Bypass
bull Maintain design channel alignment
bull Prevent future channel avulsion
ndash Upstream Fish Passage
bull Design to TampE species requirements
bull Minimize limiting velocities amp depths
ndash Downstream Navigability
bull Minimize recreational hazards
httpwwwwildlifestatenmusfishinggame-fishcold-water
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 15
Conceptual Diversion
Alternatives 30 Design
Engineered Riffle Diversion
ndash Invert 4662rsquo to 4666rsquo
ndash Grouted Boulder or Concrete
ndash Cast Concrete Walls
ndash Elongated Riffle Rundown
ndash Riprap Bank Protection
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 17
Engineered Riffle Diversion
ndash Pros
bull Cost to construct
bull Fewer mechanical systems
bull Reduced power requirements
bull Recreational navigation
ndash Cons
bull Non-adjustable invert
bull Static sediment management
bull No fish passage channel
bull Reduced flood flow conveyance
Engineered Riffle Kremlin CO
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 18
Obermeyer Pneumatic Gates Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 19
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
Obermeyer Pneumatic Gates Diversion
ndash Pros
bull Adjustable invert
bull Dynamic sediment flushing
bull Fish passage opportunities
bull Flood flow conveyance
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Additional power requirements
Albuquerque Diversion Dam httpmapionetpicp-5170793
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 20
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Phase 1 ndash Selected Alternative
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 5
Phase 1 ndash Selected Alternative
Alternative 4 (Selected Alternative)
Initial Phase
ndash Diversion of 150 cfs
ndash Flood infiltration and storage with additional basins in the Cliff-Gila
Valley
ndash Ranney Wells
ndash Construct Winn Reservoir and Diversion to 3845 AF
ndash Pipeline and pumping to the Upper Gila ditch
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 6
Phase 2 ndash Scope Schedule and
Deliverables
Phase 2 ndash Scope Schedule and Deliverables
Scope
ndash Diversion
ndash ASR ground water model
ndash ASR geotechnical investigation
ndash ASR down valley sites
ndash Agency requirements
ndash Additional work
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 8
Phase 2 ndash Schedule
9 30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project
Project Milestones
ndash Task 6 ndash Project Management NTP ndash 1172016
ndash Task 7 ndash Diversions NTP ndash 1172016
ndash Draft Report Submitted 1222016
ndash Task 8 ndash Coordination Meeting NTP - TBD
ndash Task 9 ndash ASR Ground Water Model NTP ndash TBD
ndash Task 10 ndash Geotechnical Investigation NTP - TBD
ndash Task 11 ndash ASR Down Valley Sites NTP ndash TBD
ndash Task 12 ndash Agency Coordination NTP - TBD
Phase 2 ndash Deliverables
Deliverables
ndash Diversion Report
ndash ASR Numerical Model
ndash ASR Geotechnical Report
ndash Down Valley ASR Observations Memorandum
ndash Permitting Summary Memorandum
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 10
Gila Diversion Preliminary
Findings
Gila Gage Diversion Site
ndash Gila Stream Gage
bull USGS 09430500
ndash Land Ownership
bull US Forest Service (USFS)
o No diversion activities on USFS lands
bull TNC amp State of New Mexico
o Co-ownership
o National Lands Protection Act (NLPA)
ndash Access Road Improvements
bull Regrade slopes gt12
bull Crossing of Mogollon Creek
bull Construction amp maintenance
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 12
Conceptual Diversion
Alternatives Criteria
Site Evaluation Criteria
ndash Available Head
bull Highest point below USFS boundary
ndash All Weather Access
bull Except during flooding events
ndash Structural Stability
bull Key diversion to bedrock
ndash Lateral amp Vertical Channel Stability
bull Bedrock along both banks
bull Observed channel degradation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 14
Design Alternatives Selection Criteria
ndash Structure Design
bull Grouted boulder vs cast concrete
bull Adjustable vs fixed invert
bull At grade vs surface water intake
ndash Sediment Transport
bull Promote sediment continuity
bull Prevent erosion amp sedimentation
ndash Structure Bypass
bull Maintain design channel alignment
bull Prevent future channel avulsion
ndash Upstream Fish Passage
bull Design to TampE species requirements
bull Minimize limiting velocities amp depths
ndash Downstream Navigability
bull Minimize recreational hazards
httpwwwwildlifestatenmusfishinggame-fishcold-water
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 15
Conceptual Diversion
Alternatives 30 Design
Engineered Riffle Diversion
ndash Invert 4662rsquo to 4666rsquo
ndash Grouted Boulder or Concrete
ndash Cast Concrete Walls
ndash Elongated Riffle Rundown
ndash Riprap Bank Protection
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 17
Engineered Riffle Diversion
ndash Pros
bull Cost to construct
bull Fewer mechanical systems
bull Reduced power requirements
bull Recreational navigation
ndash Cons
bull Non-adjustable invert
bull Static sediment management
bull No fish passage channel
bull Reduced flood flow conveyance
Engineered Riffle Kremlin CO
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 18
Obermeyer Pneumatic Gates Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 19
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
Obermeyer Pneumatic Gates Diversion
ndash Pros
bull Adjustable invert
bull Dynamic sediment flushing
bull Fish passage opportunities
bull Flood flow conveyance
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Additional power requirements
Albuquerque Diversion Dam httpmapionetpicp-5170793
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 20
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Phase 1 ndash Selected Alternative
Alternative 4 (Selected Alternative)
Initial Phase
ndash Diversion of 150 cfs
ndash Flood infiltration and storage with additional basins in the Cliff-Gila
Valley
ndash Ranney Wells
ndash Construct Winn Reservoir and Diversion to 3845 AF
ndash Pipeline and pumping to the Upper Gila ditch
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 6
Phase 2 ndash Scope Schedule and
Deliverables
Phase 2 ndash Scope Schedule and Deliverables
Scope
ndash Diversion
ndash ASR ground water model
ndash ASR geotechnical investigation
ndash ASR down valley sites
ndash Agency requirements
ndash Additional work
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 8
Phase 2 ndash Schedule
9 30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project
Project Milestones
ndash Task 6 ndash Project Management NTP ndash 1172016
ndash Task 7 ndash Diversions NTP ndash 1172016
ndash Draft Report Submitted 1222016
ndash Task 8 ndash Coordination Meeting NTP - TBD
ndash Task 9 ndash ASR Ground Water Model NTP ndash TBD
ndash Task 10 ndash Geotechnical Investigation NTP - TBD
ndash Task 11 ndash ASR Down Valley Sites NTP ndash TBD
ndash Task 12 ndash Agency Coordination NTP - TBD
Phase 2 ndash Deliverables
Deliverables
ndash Diversion Report
ndash ASR Numerical Model
ndash ASR Geotechnical Report
ndash Down Valley ASR Observations Memorandum
ndash Permitting Summary Memorandum
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 10
Gila Diversion Preliminary
Findings
Gila Gage Diversion Site
ndash Gila Stream Gage
bull USGS 09430500
ndash Land Ownership
bull US Forest Service (USFS)
o No diversion activities on USFS lands
bull TNC amp State of New Mexico
o Co-ownership
o National Lands Protection Act (NLPA)
ndash Access Road Improvements
bull Regrade slopes gt12
bull Crossing of Mogollon Creek
bull Construction amp maintenance
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 12
Conceptual Diversion
Alternatives Criteria
Site Evaluation Criteria
ndash Available Head
bull Highest point below USFS boundary
ndash All Weather Access
bull Except during flooding events
ndash Structural Stability
bull Key diversion to bedrock
ndash Lateral amp Vertical Channel Stability
bull Bedrock along both banks
bull Observed channel degradation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 14
Design Alternatives Selection Criteria
ndash Structure Design
bull Grouted boulder vs cast concrete
bull Adjustable vs fixed invert
bull At grade vs surface water intake
ndash Sediment Transport
bull Promote sediment continuity
bull Prevent erosion amp sedimentation
ndash Structure Bypass
bull Maintain design channel alignment
bull Prevent future channel avulsion
ndash Upstream Fish Passage
bull Design to TampE species requirements
bull Minimize limiting velocities amp depths
ndash Downstream Navigability
bull Minimize recreational hazards
httpwwwwildlifestatenmusfishinggame-fishcold-water
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 15
Conceptual Diversion
Alternatives 30 Design
Engineered Riffle Diversion
ndash Invert 4662rsquo to 4666rsquo
ndash Grouted Boulder or Concrete
ndash Cast Concrete Walls
ndash Elongated Riffle Rundown
ndash Riprap Bank Protection
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 17
Engineered Riffle Diversion
ndash Pros
bull Cost to construct
bull Fewer mechanical systems
bull Reduced power requirements
bull Recreational navigation
ndash Cons
bull Non-adjustable invert
bull Static sediment management
bull No fish passage channel
bull Reduced flood flow conveyance
Engineered Riffle Kremlin CO
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 18
Obermeyer Pneumatic Gates Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 19
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
Obermeyer Pneumatic Gates Diversion
ndash Pros
bull Adjustable invert
bull Dynamic sediment flushing
bull Fish passage opportunities
bull Flood flow conveyance
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Additional power requirements
Albuquerque Diversion Dam httpmapionetpicp-5170793
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 20
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Phase 2 ndash Scope Schedule and
Deliverables
Phase 2 ndash Scope Schedule and Deliverables
Scope
ndash Diversion
ndash ASR ground water model
ndash ASR geotechnical investigation
ndash ASR down valley sites
ndash Agency requirements
ndash Additional work
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 8
Phase 2 ndash Schedule
9 30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project
Project Milestones
ndash Task 6 ndash Project Management NTP ndash 1172016
ndash Task 7 ndash Diversions NTP ndash 1172016
ndash Draft Report Submitted 1222016
ndash Task 8 ndash Coordination Meeting NTP - TBD
ndash Task 9 ndash ASR Ground Water Model NTP ndash TBD
ndash Task 10 ndash Geotechnical Investigation NTP - TBD
ndash Task 11 ndash ASR Down Valley Sites NTP ndash TBD
ndash Task 12 ndash Agency Coordination NTP - TBD
Phase 2 ndash Deliverables
Deliverables
ndash Diversion Report
ndash ASR Numerical Model
ndash ASR Geotechnical Report
ndash Down Valley ASR Observations Memorandum
ndash Permitting Summary Memorandum
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 10
Gila Diversion Preliminary
Findings
Gila Gage Diversion Site
ndash Gila Stream Gage
bull USGS 09430500
ndash Land Ownership
bull US Forest Service (USFS)
o No diversion activities on USFS lands
bull TNC amp State of New Mexico
o Co-ownership
o National Lands Protection Act (NLPA)
ndash Access Road Improvements
bull Regrade slopes gt12
bull Crossing of Mogollon Creek
bull Construction amp maintenance
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 12
Conceptual Diversion
Alternatives Criteria
Site Evaluation Criteria
ndash Available Head
bull Highest point below USFS boundary
ndash All Weather Access
bull Except during flooding events
ndash Structural Stability
bull Key diversion to bedrock
ndash Lateral amp Vertical Channel Stability
bull Bedrock along both banks
bull Observed channel degradation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 14
Design Alternatives Selection Criteria
ndash Structure Design
bull Grouted boulder vs cast concrete
bull Adjustable vs fixed invert
bull At grade vs surface water intake
ndash Sediment Transport
bull Promote sediment continuity
bull Prevent erosion amp sedimentation
ndash Structure Bypass
bull Maintain design channel alignment
bull Prevent future channel avulsion
ndash Upstream Fish Passage
bull Design to TampE species requirements
bull Minimize limiting velocities amp depths
ndash Downstream Navigability
bull Minimize recreational hazards
httpwwwwildlifestatenmusfishinggame-fishcold-water
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 15
Conceptual Diversion
Alternatives 30 Design
Engineered Riffle Diversion
ndash Invert 4662rsquo to 4666rsquo
ndash Grouted Boulder or Concrete
ndash Cast Concrete Walls
ndash Elongated Riffle Rundown
ndash Riprap Bank Protection
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 17
Engineered Riffle Diversion
ndash Pros
bull Cost to construct
bull Fewer mechanical systems
bull Reduced power requirements
bull Recreational navigation
ndash Cons
bull Non-adjustable invert
bull Static sediment management
bull No fish passage channel
bull Reduced flood flow conveyance
Engineered Riffle Kremlin CO
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 18
Obermeyer Pneumatic Gates Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 19
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
Obermeyer Pneumatic Gates Diversion
ndash Pros
bull Adjustable invert
bull Dynamic sediment flushing
bull Fish passage opportunities
bull Flood flow conveyance
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Additional power requirements
Albuquerque Diversion Dam httpmapionetpicp-5170793
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 20
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Phase 2 ndash Scope Schedule and Deliverables
Scope
ndash Diversion
ndash ASR ground water model
ndash ASR geotechnical investigation
ndash ASR down valley sites
ndash Agency requirements
ndash Additional work
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 8
Phase 2 ndash Schedule
9 30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project
Project Milestones
ndash Task 6 ndash Project Management NTP ndash 1172016
ndash Task 7 ndash Diversions NTP ndash 1172016
ndash Draft Report Submitted 1222016
ndash Task 8 ndash Coordination Meeting NTP - TBD
ndash Task 9 ndash ASR Ground Water Model NTP ndash TBD
ndash Task 10 ndash Geotechnical Investigation NTP - TBD
ndash Task 11 ndash ASR Down Valley Sites NTP ndash TBD
ndash Task 12 ndash Agency Coordination NTP - TBD
Phase 2 ndash Deliverables
Deliverables
ndash Diversion Report
ndash ASR Numerical Model
ndash ASR Geotechnical Report
ndash Down Valley ASR Observations Memorandum
ndash Permitting Summary Memorandum
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 10
Gila Diversion Preliminary
Findings
Gila Gage Diversion Site
ndash Gila Stream Gage
bull USGS 09430500
ndash Land Ownership
bull US Forest Service (USFS)
o No diversion activities on USFS lands
bull TNC amp State of New Mexico
o Co-ownership
o National Lands Protection Act (NLPA)
ndash Access Road Improvements
bull Regrade slopes gt12
bull Crossing of Mogollon Creek
bull Construction amp maintenance
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 12
Conceptual Diversion
Alternatives Criteria
Site Evaluation Criteria
ndash Available Head
bull Highest point below USFS boundary
ndash All Weather Access
bull Except during flooding events
ndash Structural Stability
bull Key diversion to bedrock
ndash Lateral amp Vertical Channel Stability
bull Bedrock along both banks
bull Observed channel degradation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 14
Design Alternatives Selection Criteria
ndash Structure Design
bull Grouted boulder vs cast concrete
bull Adjustable vs fixed invert
bull At grade vs surface water intake
ndash Sediment Transport
bull Promote sediment continuity
bull Prevent erosion amp sedimentation
ndash Structure Bypass
bull Maintain design channel alignment
bull Prevent future channel avulsion
ndash Upstream Fish Passage
bull Design to TampE species requirements
bull Minimize limiting velocities amp depths
ndash Downstream Navigability
bull Minimize recreational hazards
httpwwwwildlifestatenmusfishinggame-fishcold-water
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 15
Conceptual Diversion
Alternatives 30 Design
Engineered Riffle Diversion
ndash Invert 4662rsquo to 4666rsquo
ndash Grouted Boulder or Concrete
ndash Cast Concrete Walls
ndash Elongated Riffle Rundown
ndash Riprap Bank Protection
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 17
Engineered Riffle Diversion
ndash Pros
bull Cost to construct
bull Fewer mechanical systems
bull Reduced power requirements
bull Recreational navigation
ndash Cons
bull Non-adjustable invert
bull Static sediment management
bull No fish passage channel
bull Reduced flood flow conveyance
Engineered Riffle Kremlin CO
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 18
Obermeyer Pneumatic Gates Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 19
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
Obermeyer Pneumatic Gates Diversion
ndash Pros
bull Adjustable invert
bull Dynamic sediment flushing
bull Fish passage opportunities
bull Flood flow conveyance
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Additional power requirements
Albuquerque Diversion Dam httpmapionetpicp-5170793
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 20
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Phase 2 ndash Schedule
9 30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project
Project Milestones
ndash Task 6 ndash Project Management NTP ndash 1172016
ndash Task 7 ndash Diversions NTP ndash 1172016
ndash Draft Report Submitted 1222016
ndash Task 8 ndash Coordination Meeting NTP - TBD
ndash Task 9 ndash ASR Ground Water Model NTP ndash TBD
ndash Task 10 ndash Geotechnical Investigation NTP - TBD
ndash Task 11 ndash ASR Down Valley Sites NTP ndash TBD
ndash Task 12 ndash Agency Coordination NTP - TBD
Phase 2 ndash Deliverables
Deliverables
ndash Diversion Report
ndash ASR Numerical Model
ndash ASR Geotechnical Report
ndash Down Valley ASR Observations Memorandum
ndash Permitting Summary Memorandum
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 10
Gila Diversion Preliminary
Findings
Gila Gage Diversion Site
ndash Gila Stream Gage
bull USGS 09430500
ndash Land Ownership
bull US Forest Service (USFS)
o No diversion activities on USFS lands
bull TNC amp State of New Mexico
o Co-ownership
o National Lands Protection Act (NLPA)
ndash Access Road Improvements
bull Regrade slopes gt12
bull Crossing of Mogollon Creek
bull Construction amp maintenance
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 12
Conceptual Diversion
Alternatives Criteria
Site Evaluation Criteria
ndash Available Head
bull Highest point below USFS boundary
ndash All Weather Access
bull Except during flooding events
ndash Structural Stability
bull Key diversion to bedrock
ndash Lateral amp Vertical Channel Stability
bull Bedrock along both banks
bull Observed channel degradation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 14
Design Alternatives Selection Criteria
ndash Structure Design
bull Grouted boulder vs cast concrete
bull Adjustable vs fixed invert
bull At grade vs surface water intake
ndash Sediment Transport
bull Promote sediment continuity
bull Prevent erosion amp sedimentation
ndash Structure Bypass
bull Maintain design channel alignment
bull Prevent future channel avulsion
ndash Upstream Fish Passage
bull Design to TampE species requirements
bull Minimize limiting velocities amp depths
ndash Downstream Navigability
bull Minimize recreational hazards
httpwwwwildlifestatenmusfishinggame-fishcold-water
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 15
Conceptual Diversion
Alternatives 30 Design
Engineered Riffle Diversion
ndash Invert 4662rsquo to 4666rsquo
ndash Grouted Boulder or Concrete
ndash Cast Concrete Walls
ndash Elongated Riffle Rundown
ndash Riprap Bank Protection
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 17
Engineered Riffle Diversion
ndash Pros
bull Cost to construct
bull Fewer mechanical systems
bull Reduced power requirements
bull Recreational navigation
ndash Cons
bull Non-adjustable invert
bull Static sediment management
bull No fish passage channel
bull Reduced flood flow conveyance
Engineered Riffle Kremlin CO
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 18
Obermeyer Pneumatic Gates Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 19
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
Obermeyer Pneumatic Gates Diversion
ndash Pros
bull Adjustable invert
bull Dynamic sediment flushing
bull Fish passage opportunities
bull Flood flow conveyance
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Additional power requirements
Albuquerque Diversion Dam httpmapionetpicp-5170793
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 20
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Phase 2 ndash Deliverables
Deliverables
ndash Diversion Report
ndash ASR Numerical Model
ndash ASR Geotechnical Report
ndash Down Valley ASR Observations Memorandum
ndash Permitting Summary Memorandum
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 10
Gila Diversion Preliminary
Findings
Gila Gage Diversion Site
ndash Gila Stream Gage
bull USGS 09430500
ndash Land Ownership
bull US Forest Service (USFS)
o No diversion activities on USFS lands
bull TNC amp State of New Mexico
o Co-ownership
o National Lands Protection Act (NLPA)
ndash Access Road Improvements
bull Regrade slopes gt12
bull Crossing of Mogollon Creek
bull Construction amp maintenance
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 12
Conceptual Diversion
Alternatives Criteria
Site Evaluation Criteria
ndash Available Head
bull Highest point below USFS boundary
ndash All Weather Access
bull Except during flooding events
ndash Structural Stability
bull Key diversion to bedrock
ndash Lateral amp Vertical Channel Stability
bull Bedrock along both banks
bull Observed channel degradation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 14
Design Alternatives Selection Criteria
ndash Structure Design
bull Grouted boulder vs cast concrete
bull Adjustable vs fixed invert
bull At grade vs surface water intake
ndash Sediment Transport
bull Promote sediment continuity
bull Prevent erosion amp sedimentation
ndash Structure Bypass
bull Maintain design channel alignment
bull Prevent future channel avulsion
ndash Upstream Fish Passage
bull Design to TampE species requirements
bull Minimize limiting velocities amp depths
ndash Downstream Navigability
bull Minimize recreational hazards
httpwwwwildlifestatenmusfishinggame-fishcold-water
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 15
Conceptual Diversion
Alternatives 30 Design
Engineered Riffle Diversion
ndash Invert 4662rsquo to 4666rsquo
ndash Grouted Boulder or Concrete
ndash Cast Concrete Walls
ndash Elongated Riffle Rundown
ndash Riprap Bank Protection
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 17
Engineered Riffle Diversion
ndash Pros
bull Cost to construct
bull Fewer mechanical systems
bull Reduced power requirements
bull Recreational navigation
ndash Cons
bull Non-adjustable invert
bull Static sediment management
bull No fish passage channel
bull Reduced flood flow conveyance
Engineered Riffle Kremlin CO
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 18
Obermeyer Pneumatic Gates Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 19
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
Obermeyer Pneumatic Gates Diversion
ndash Pros
bull Adjustable invert
bull Dynamic sediment flushing
bull Fish passage opportunities
bull Flood flow conveyance
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Additional power requirements
Albuquerque Diversion Dam httpmapionetpicp-5170793
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 20
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Gila Diversion Preliminary
Findings
Gila Gage Diversion Site
ndash Gila Stream Gage
bull USGS 09430500
ndash Land Ownership
bull US Forest Service (USFS)
o No diversion activities on USFS lands
bull TNC amp State of New Mexico
o Co-ownership
o National Lands Protection Act (NLPA)
ndash Access Road Improvements
bull Regrade slopes gt12
bull Crossing of Mogollon Creek
bull Construction amp maintenance
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 12
Conceptual Diversion
Alternatives Criteria
Site Evaluation Criteria
ndash Available Head
bull Highest point below USFS boundary
ndash All Weather Access
bull Except during flooding events
ndash Structural Stability
bull Key diversion to bedrock
ndash Lateral amp Vertical Channel Stability
bull Bedrock along both banks
bull Observed channel degradation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 14
Design Alternatives Selection Criteria
ndash Structure Design
bull Grouted boulder vs cast concrete
bull Adjustable vs fixed invert
bull At grade vs surface water intake
ndash Sediment Transport
bull Promote sediment continuity
bull Prevent erosion amp sedimentation
ndash Structure Bypass
bull Maintain design channel alignment
bull Prevent future channel avulsion
ndash Upstream Fish Passage
bull Design to TampE species requirements
bull Minimize limiting velocities amp depths
ndash Downstream Navigability
bull Minimize recreational hazards
httpwwwwildlifestatenmusfishinggame-fishcold-water
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 15
Conceptual Diversion
Alternatives 30 Design
Engineered Riffle Diversion
ndash Invert 4662rsquo to 4666rsquo
ndash Grouted Boulder or Concrete
ndash Cast Concrete Walls
ndash Elongated Riffle Rundown
ndash Riprap Bank Protection
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 17
Engineered Riffle Diversion
ndash Pros
bull Cost to construct
bull Fewer mechanical systems
bull Reduced power requirements
bull Recreational navigation
ndash Cons
bull Non-adjustable invert
bull Static sediment management
bull No fish passage channel
bull Reduced flood flow conveyance
Engineered Riffle Kremlin CO
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 18
Obermeyer Pneumatic Gates Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 19
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
Obermeyer Pneumatic Gates Diversion
ndash Pros
bull Adjustable invert
bull Dynamic sediment flushing
bull Fish passage opportunities
bull Flood flow conveyance
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Additional power requirements
Albuquerque Diversion Dam httpmapionetpicp-5170793
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 20
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Gila Gage Diversion Site
ndash Gila Stream Gage
bull USGS 09430500
ndash Land Ownership
bull US Forest Service (USFS)
o No diversion activities on USFS lands
bull TNC amp State of New Mexico
o Co-ownership
o National Lands Protection Act (NLPA)
ndash Access Road Improvements
bull Regrade slopes gt12
bull Crossing of Mogollon Creek
bull Construction amp maintenance
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 12
Conceptual Diversion
Alternatives Criteria
Site Evaluation Criteria
ndash Available Head
bull Highest point below USFS boundary
ndash All Weather Access
bull Except during flooding events
ndash Structural Stability
bull Key diversion to bedrock
ndash Lateral amp Vertical Channel Stability
bull Bedrock along both banks
bull Observed channel degradation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 14
Design Alternatives Selection Criteria
ndash Structure Design
bull Grouted boulder vs cast concrete
bull Adjustable vs fixed invert
bull At grade vs surface water intake
ndash Sediment Transport
bull Promote sediment continuity
bull Prevent erosion amp sedimentation
ndash Structure Bypass
bull Maintain design channel alignment
bull Prevent future channel avulsion
ndash Upstream Fish Passage
bull Design to TampE species requirements
bull Minimize limiting velocities amp depths
ndash Downstream Navigability
bull Minimize recreational hazards
httpwwwwildlifestatenmusfishinggame-fishcold-water
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 15
Conceptual Diversion
Alternatives 30 Design
Engineered Riffle Diversion
ndash Invert 4662rsquo to 4666rsquo
ndash Grouted Boulder or Concrete
ndash Cast Concrete Walls
ndash Elongated Riffle Rundown
ndash Riprap Bank Protection
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 17
Engineered Riffle Diversion
ndash Pros
bull Cost to construct
bull Fewer mechanical systems
bull Reduced power requirements
bull Recreational navigation
ndash Cons
bull Non-adjustable invert
bull Static sediment management
bull No fish passage channel
bull Reduced flood flow conveyance
Engineered Riffle Kremlin CO
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 18
Obermeyer Pneumatic Gates Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 19
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
Obermeyer Pneumatic Gates Diversion
ndash Pros
bull Adjustable invert
bull Dynamic sediment flushing
bull Fish passage opportunities
bull Flood flow conveyance
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Additional power requirements
Albuquerque Diversion Dam httpmapionetpicp-5170793
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 20
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Conceptual Diversion
Alternatives Criteria
Site Evaluation Criteria
ndash Available Head
bull Highest point below USFS boundary
ndash All Weather Access
bull Except during flooding events
ndash Structural Stability
bull Key diversion to bedrock
ndash Lateral amp Vertical Channel Stability
bull Bedrock along both banks
bull Observed channel degradation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 14
Design Alternatives Selection Criteria
ndash Structure Design
bull Grouted boulder vs cast concrete
bull Adjustable vs fixed invert
bull At grade vs surface water intake
ndash Sediment Transport
bull Promote sediment continuity
bull Prevent erosion amp sedimentation
ndash Structure Bypass
bull Maintain design channel alignment
bull Prevent future channel avulsion
ndash Upstream Fish Passage
bull Design to TampE species requirements
bull Minimize limiting velocities amp depths
ndash Downstream Navigability
bull Minimize recreational hazards
httpwwwwildlifestatenmusfishinggame-fishcold-water
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 15
Conceptual Diversion
Alternatives 30 Design
Engineered Riffle Diversion
ndash Invert 4662rsquo to 4666rsquo
ndash Grouted Boulder or Concrete
ndash Cast Concrete Walls
ndash Elongated Riffle Rundown
ndash Riprap Bank Protection
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 17
Engineered Riffle Diversion
ndash Pros
bull Cost to construct
bull Fewer mechanical systems
bull Reduced power requirements
bull Recreational navigation
ndash Cons
bull Non-adjustable invert
bull Static sediment management
bull No fish passage channel
bull Reduced flood flow conveyance
Engineered Riffle Kremlin CO
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 18
Obermeyer Pneumatic Gates Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 19
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
Obermeyer Pneumatic Gates Diversion
ndash Pros
bull Adjustable invert
bull Dynamic sediment flushing
bull Fish passage opportunities
bull Flood flow conveyance
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Additional power requirements
Albuquerque Diversion Dam httpmapionetpicp-5170793
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 20
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Site Evaluation Criteria
ndash Available Head
bull Highest point below USFS boundary
ndash All Weather Access
bull Except during flooding events
ndash Structural Stability
bull Key diversion to bedrock
ndash Lateral amp Vertical Channel Stability
bull Bedrock along both banks
bull Observed channel degradation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 14
Design Alternatives Selection Criteria
ndash Structure Design
bull Grouted boulder vs cast concrete
bull Adjustable vs fixed invert
bull At grade vs surface water intake
ndash Sediment Transport
bull Promote sediment continuity
bull Prevent erosion amp sedimentation
ndash Structure Bypass
bull Maintain design channel alignment
bull Prevent future channel avulsion
ndash Upstream Fish Passage
bull Design to TampE species requirements
bull Minimize limiting velocities amp depths
ndash Downstream Navigability
bull Minimize recreational hazards
httpwwwwildlifestatenmusfishinggame-fishcold-water
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 15
Conceptual Diversion
Alternatives 30 Design
Engineered Riffle Diversion
ndash Invert 4662rsquo to 4666rsquo
ndash Grouted Boulder or Concrete
ndash Cast Concrete Walls
ndash Elongated Riffle Rundown
ndash Riprap Bank Protection
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 17
Engineered Riffle Diversion
ndash Pros
bull Cost to construct
bull Fewer mechanical systems
bull Reduced power requirements
bull Recreational navigation
ndash Cons
bull Non-adjustable invert
bull Static sediment management
bull No fish passage channel
bull Reduced flood flow conveyance
Engineered Riffle Kremlin CO
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 18
Obermeyer Pneumatic Gates Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 19
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
Obermeyer Pneumatic Gates Diversion
ndash Pros
bull Adjustable invert
bull Dynamic sediment flushing
bull Fish passage opportunities
bull Flood flow conveyance
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Additional power requirements
Albuquerque Diversion Dam httpmapionetpicp-5170793
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 20
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Design Alternatives Selection Criteria
ndash Structure Design
bull Grouted boulder vs cast concrete
bull Adjustable vs fixed invert
bull At grade vs surface water intake
ndash Sediment Transport
bull Promote sediment continuity
bull Prevent erosion amp sedimentation
ndash Structure Bypass
bull Maintain design channel alignment
bull Prevent future channel avulsion
ndash Upstream Fish Passage
bull Design to TampE species requirements
bull Minimize limiting velocities amp depths
ndash Downstream Navigability
bull Minimize recreational hazards
httpwwwwildlifestatenmusfishinggame-fishcold-water
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 15
Conceptual Diversion
Alternatives 30 Design
Engineered Riffle Diversion
ndash Invert 4662rsquo to 4666rsquo
ndash Grouted Boulder or Concrete
ndash Cast Concrete Walls
ndash Elongated Riffle Rundown
ndash Riprap Bank Protection
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 17
Engineered Riffle Diversion
ndash Pros
bull Cost to construct
bull Fewer mechanical systems
bull Reduced power requirements
bull Recreational navigation
ndash Cons
bull Non-adjustable invert
bull Static sediment management
bull No fish passage channel
bull Reduced flood flow conveyance
Engineered Riffle Kremlin CO
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 18
Obermeyer Pneumatic Gates Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 19
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
Obermeyer Pneumatic Gates Diversion
ndash Pros
bull Adjustable invert
bull Dynamic sediment flushing
bull Fish passage opportunities
bull Flood flow conveyance
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Additional power requirements
Albuquerque Diversion Dam httpmapionetpicp-5170793
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 20
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Conceptual Diversion
Alternatives 30 Design
Engineered Riffle Diversion
ndash Invert 4662rsquo to 4666rsquo
ndash Grouted Boulder or Concrete
ndash Cast Concrete Walls
ndash Elongated Riffle Rundown
ndash Riprap Bank Protection
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 17
Engineered Riffle Diversion
ndash Pros
bull Cost to construct
bull Fewer mechanical systems
bull Reduced power requirements
bull Recreational navigation
ndash Cons
bull Non-adjustable invert
bull Static sediment management
bull No fish passage channel
bull Reduced flood flow conveyance
Engineered Riffle Kremlin CO
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 18
Obermeyer Pneumatic Gates Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 19
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
Obermeyer Pneumatic Gates Diversion
ndash Pros
bull Adjustable invert
bull Dynamic sediment flushing
bull Fish passage opportunities
bull Flood flow conveyance
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Additional power requirements
Albuquerque Diversion Dam httpmapionetpicp-5170793
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 20
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Engineered Riffle Diversion
ndash Invert 4662rsquo to 4666rsquo
ndash Grouted Boulder or Concrete
ndash Cast Concrete Walls
ndash Elongated Riffle Rundown
ndash Riprap Bank Protection
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 17
Engineered Riffle Diversion
ndash Pros
bull Cost to construct
bull Fewer mechanical systems
bull Reduced power requirements
bull Recreational navigation
ndash Cons
bull Non-adjustable invert
bull Static sediment management
bull No fish passage channel
bull Reduced flood flow conveyance
Engineered Riffle Kremlin CO
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 18
Obermeyer Pneumatic Gates Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 19
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
Obermeyer Pneumatic Gates Diversion
ndash Pros
bull Adjustable invert
bull Dynamic sediment flushing
bull Fish passage opportunities
bull Flood flow conveyance
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Additional power requirements
Albuquerque Diversion Dam httpmapionetpicp-5170793
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 20
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Engineered Riffle Diversion
ndash Pros
bull Cost to construct
bull Fewer mechanical systems
bull Reduced power requirements
bull Recreational navigation
ndash Cons
bull Non-adjustable invert
bull Static sediment management
bull No fish passage channel
bull Reduced flood flow conveyance
Engineered Riffle Kremlin CO
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 18
Obermeyer Pneumatic Gates Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 19
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
Obermeyer Pneumatic Gates Diversion
ndash Pros
bull Adjustable invert
bull Dynamic sediment flushing
bull Fish passage opportunities
bull Flood flow conveyance
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Additional power requirements
Albuquerque Diversion Dam httpmapionetpicp-5170793
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 20
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Obermeyer Pneumatic Gates Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 19
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Bedload Deflection
ndash Fish amp Debris Exclusion
ndash Sediment Sluicing
ndash Surface Conveyance Canal
Obermeyer Pneumatic Gates Diversion
ndash Pros
bull Adjustable invert
bull Dynamic sediment flushing
bull Fish passage opportunities
bull Flood flow conveyance
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Additional power requirements
Albuquerque Diversion Dam httpmapionetpicp-5170793
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 20
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Obermeyer Pneumatic Gates Diversion
ndash Pros
bull Adjustable invert
bull Dynamic sediment flushing
bull Fish passage opportunities
bull Flood flow conveyance
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Additional power requirements
Albuquerque Diversion Dam httpmapionetpicp-5170793
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 20
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 21
ndash Gates Raised 4662rsquo to 4666rsquo
ndash Cast Concrete Sill amp Walls
ndash Riprap Bank Protection
ndash Coanda Screens
bull 1 mm opening
ndash Water Collection Vaults
ndash Mechanical Infrastructure
bull Steel gates pneumatic lines
bladders compressors
operations controls amp housing
ndash Sediment Sluicing
ndash Subgrade Conveyance Culvert
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Combination Coanda Screen amp Obermeyer Pneumatic Gate Diversion
ndash Pros
bull Partially adjustable invert
bull Limited sediment flushing
bull Sediment amp debris exclusion
bull Fish passage opportunities
ndash Cons
bull Cost to construct
bull Mechanical systems maintenance
bull Sedimentation in vaults
bull Reduced head for conveyance
bull Additional power requirements
httpwwwelginindustriescomequipment_groupnorris_screenproductsproduct_lineNorri
s_Screenstainless_steel_screening_systemscoanda_screen
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 22
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Channel Response to Historic
Changes in the River System
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
River Channel Modifications in the Cliff-Gila Valley
ndash Channelization
bull Straightening amp leveeing
bull Steeper channel slopes
ndash Disconnection of Floodplain
bull Reduced overbank flood storage
bull Loss of vegetation amp bank stability
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 24
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Dynamic Channel Response in Cliff-Gila Valley
ndash Independent of Flood Severity
ndash Vertical Channel Instabilities
bull Upstream degradation
o Headcutting
bull Downstream aggradation
o Braiding
ndash Lateral Channel Instability
bull Bank erosion amp failure
bull Channel avulsion
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 25
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Observed Channel Response at Gila Gage Site
ndash Ongoing Channel Incision
bull Propagation of headcuts
initiated downstream
ndash Channel Abandonment
bull Historically irrigated fields
bull Fluvial landforms
bull USGS stream gage facility
ndash Lowered Shallow Water Table
bull Perched riparian vegetation
bull Expanded upland conditions
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 26
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Ecological amp Functional
Restoration of the Gila River
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Intent of Reach-Scale Channel Restoration
ndash Re-elevate Incised Channel
ndash Restore Stable Channel Geometries
ndash Reduce Over-steepened Banks
ndash Reconnect Abandoned Floodplains
ndash Raise Shallow Water Tables
ndash Reestablish Native Riparian Zones
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 28
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Pros amp Cons of Restoration to Diversion Project
ndash Improve River Function
bull Vertical amp lateral channel stability
bull Sediment continuity of reach
ndash Raise Diversion Elevations
bull Gravity feed ASR infiltration fields
ndash Restore Aquatic amp Riparian Habitats
bull TampE species
ndash Benefit River Based Recreation
bull Existing hazards
ndash Disadvantages of Restoration
bull Increased project cost
bull Temporary construction impacts
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 29
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Next Steps
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Recommended Path Forward
ndash Continued Fluvial Geomorphic
Analysis
ndash Additional Hydraulic Modeling
ndash Initiate Sediment Transport
Modeling
ndash Field Investigations for ASR
ndash Stream Restoration Evaluation
30 Percent Engineering Design Services for
New Mexico Unit of Central Arizona Project 31
Questions
December 6 2016
Questions
December 6 2016