bank stabilization, flood reduction and water quality ... · project outcome win-win (achieved...
TRANSCRIPT
![Page 1: Bank Stabilization, Flood Reduction and Water Quality ... · PROJECT OUTCOME Win-Win (Achieved flood protection and water quality benefits) Approx. 40 parcels out of floodplain after](https://reader033.vdocuments.mx/reader033/viewer/2022050303/5f6c0f1e01baec042b04367e/html5/thumbnails/1.jpg)
Bank Stabilization, Flood Reduction and Water Quality Improvement
Design Build Project
ASFPM 2017
Presenter: Ajay Jain, PE, CFM, Practice Leader
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ASFPM 2017
PROJECT LOCATION
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ASFPM 2017
PROJECT LOCATION / CURRENT REGULATORY MAP
ZONE AE
ZONE A
PORTION OF STREAM
BURIED
LAKE MARIAN ROAD
ILL
INO
IS R
OU
TE
25
SPRING ST.
MAPLE AVENUE
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ASFPM 2017
FLOODPLAIN LIMITS PER DETAILED STUDY
FLOODPLAIN PER DETAILED STUDY
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ASFPM 2017
EXISTING CHANNEL CONDITIONS
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ASFPM 2017
EXISTING CHANNEL CONDITIONS
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ASFPM 2017
EXISTING CHANNEL CONDITIONS
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ASFPM 2017
EXISTING CHANNEL CONDITIONS
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ASFPM 2017
EXISTING CHANNEL CONDITIONS
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ASFPM 2017
EXISTING CHANNEL CONDITIONS
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ASFPM 2017
SUMMARY OF FINDINGS / FUNDING OPPORTUNITIES
PRELIMINARY SOLUTIONS IDENTIFIED
Upsize Culverts
Increase channel capacity/stabilize banks
Achieved the desired objective of FLOOD REDUCTION.
$Approx. $2.8M IN TOTAL COSTS, FUNDING WAS AN ISSUE!
CREATIVE FUNDING OPPORTUNITIES
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ASFPM 2017
PROJECT LOCATION / CURRENT REGULATORY MAP
SPRING ST.
MAPLE AVENUE
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ASFPM 2017
SUMMARY OF FINDINGS / FUNDING OPPORTUNITIES
PRELIMINARY SOLUTIONS IDENTIFIED
Upsize Culverts
Increase channel capacity/stabilize banks
Achieved the desired objective of FLOOD REDUCTION.
$Approx. $2.8M IN TOTAL COSTS, FUNDING WAS AN ISSUE!
CREATIVE FUNDING OPPORTUNITIES Maple Avenue culvert replacement included with funded road project ($0.6M)
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ASFPM 2017
PROJECT LOCATION / CURRENT REGULATORY MAP
SPRING ST.
MAPLE AVENUE
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ASFPM 2017
SUMMARY OF FINDINGS / FUNDING OPPORTUNITIES
PRELIMINARY SOLUTIONS IDENTIFIED
Upsize Culverts
Increase channel capacity/stabilize banks
Achieved the desired objective of FLOOD REDUCTION.
$Approx. $2.8M IN TOTAL COSTS, FUNDING WAS AN ISSUE!
CREATIVE FUNDING OPPORTUNITIES Maple Avenue culvert replacement included with funded road project ($0.6M)
Existing TIF District expanded to include 2 other culvert rep. ($1.1M±)
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ASFPM 2017
SUMMARY OF FINDINGS / FUNDING OPPORTUNITIES
PRELIMINARY SOLUTIONS IDENTIFIED
Upsize Culverts
Increase channel capacity/stabilize banks
Achieved the desired objective of FLOOD REDUCTION.
$Approx. $2.8M IN TOTAL COSTS, FUNDING WAS AN ISSUE!
CREATIVE FUNDING OPPORTUNITIES Maple Avenue culvert replacement included with funded road project ($0.6M)
Existing TIF District expanded to include 2 other culvert rep. ($1.1M±)
Jelkes Creek Fox River Watershed Plan Approved by IEPA
Portions of stream identified as critical areas for water quality
Revised design to meet funding requirements/proposed as DESIGN-BUILD
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ASFPM 2017
PROPOSED CONDITIONS DESIGN / CONSTRUCTION
EXISTING CHANNEL
PROPOSED CHANNEL
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ASFPM 2017
PROPOSED CONDITIONS DESIGN / CONSTRUCTION
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ASFPM 2017
RESTORATION
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ASFPM 2017
Two-Stage Channel in Tight Corridor Locations
PROPERTY LINE FOR
ADJACENT BUSINESS
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ASFPM 2017
TWO-STAGE CHANNEL SECTION
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ASFPM 2017
SUMMARY OF FINDINGS / FUNDING OPPORTUNITIES
PRELIMINARY SOLUTIONS IDENTIFIED
Upsize Culverts
Increase channel capacity/stabilize banks
Achieved the desired objective of FLOOD REDUCTION.
$Approx. $2.8M IN TOTAL COSTS, FUNDING WAS AN ISSUE!
CREATIVE FUNDING OPPORTUNITIES Maple Avenue culvert replacement included with funded road project ($0.6M)
Existing TIF District expanded to include 2 other culvert rep. ($1.1M±)
Jelkes Creek Fox River Watershed Plan Approved by IEPA
Portions of stream identified as critical areas for water quality
Revised design to meet funding requirements/proposed as DESIGN-BUILD
Applied for and secured Section 319 funding ($1.14M with 60/40 split)
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ASFPM 2017
SUMMARY OF FINDINGS / FUNDING OPPORTUNITIES
PRELIMINARY SOLUTIONS IDENTIFIED
Upsize Culverts
Increase channel capacity/stabilize banks
Achieved the desired objective of FLOOD REDUCTION.
$Approx. $2.8M IN TOTAL COSTS, FUNDING WAS AN ISSUE!
CREATIVE FUNDING OPPORTUNITIES Maple Avenue culvert replacement included with funded road project ($0.6M)
Existing TIF District expanded to include 2 other culvert rep. ($1.1M±)
Jelkes Creek Fox River Watershed Plan Approved by IEPA
Portions of stream identified as critical areas for water quality
Revised design to meet funding requirements/proposed as DESIGN-BUILD
Applied for and secured Section 319 funding ($1.14M with 60/40 split)
Developer fee in lieu contributions ($380,000±) used for 40% local match
Trucking and some other work items completed by Village for in-kind match
Village worked with private landowners to donate land, etc.
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ASFPM 2017
SECTION 319 GRANT REPORTING REQUIREMENTS
Preliminary/Final Design Forms/Plans need to be submitted to IEPA
Prepare and submit BMP forms consistent with the grant application
Need to submit copies of permits and landowner agreements
Need a minimum of 10-year Operation and Maintenance Plan
Need to provide interpretive signage/educational signs
Prepare and submit a draft and final project evaluation report
Prepare and submit for reimbursements as costs are incurred and
consistent with the Project Costs Summary Form
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ASFPM 2017
Site Clearing
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ASFPM 2017
Earthwork and Construction
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ASFPM 2017
Earthwork and Construction
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ASFPM 2017
Earthwork and Construction
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ASFPM 2017
Earthwork and Construction
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ASFPM 2017
Earthwork and Construction
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Erosion Control
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ASFPM 2017
PROJECT SIGNAGE / EDUCATION
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ASFPM 2017
Restoration
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ASFPM 2017
Project Completion
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ASFPM 2017
Project Completion
Before
After
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BMP SUMMARY
ze Culverts
Increase channel capacity
Achieved the desired objective of FLOOD REDUCT
7,973 linear feet of bank stabilization
8 meanders and a two-stage channel
5 vane weir grade control structures
8 pool and riffle sections
8 wetland basins totaling 1.4 acres of wetland
8 rain gardens in Carpenter Park
1 acre of riparian buffer strip in Carpenter Park
Pollutant reduction:Sediment 499 TONS/year
Total Suspended Solids (TSS) 192,383 lbs/year
Phosphorus 612 lbs/year
Nitrogen 1,607 lbs/year
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PROJECT OUTCOME
Win-Win (Achieved flood protection and water quality benefits)
Approx. 40 parcels out of floodplain after project.
Secured $1.14M in Section 319 Grant (Village share - $507,724)
$380,000 in developer fee in lieu money to offset local match.
Maple Avenue culvert replaced and funded through STP money.
Other culvert improvements included as part of TIF improvement.
Letter of Map Revision Submitted to FEMA and IDNR-OWR
First design-build project for the Village.
Village Costs for the Project were less than $200,000
Received IAFSM Sustainable Project of the Year Award.
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ASFPM 2017
QUESTIONS
FROM THE AUDIENCEAsk away…Contacts:
Ajay Jain, PE, CFM
Practice Leader, Water Resource
(815) 759-8331