90% Design K115 UNIT PRICE DESCRIPTIONS

Page 1 of 18

ITEM NUMBER: MWH – 001

DESCRIPTION: Bid Item 4 - Rock Excavation with Blasting – Channel 1

UNIT OF MEASUREMENT: Cubic Meters (M3) (in-situ)

BASIS OF MEASUREMENT: Surveys performed before and after excavation

UNMEASURED ITEMS: Clearing and Grubbing (considered incidental to this item) Excavation below the excavation contours shown in the

Drawings or beyond limits prescribed by the ENGINEER

SPECIFIC REQUIREMENTS: Rock excavation requiring blasting as defined in Section 31 23 16 (K082-C2-CS-10-064) to construct channel 1.

Includes:

Excavation Loading/Hauling Handling/Rehandling Stockpiling Loading/Hauling to Disposal Areas

Measurement for payment will be made in-place to the lines and grades shown on the Drawings, or when lines and grades are not shown on the Drawings or described in the Specifications, will be as prescribed by the ENGINEER and shall include only material that is actually removed within the prescribed pay lines.

ITEM NUMBER: MWH – 002

DESCRIPTION: Bid Item 5 – Rippable Rock Excavation – Channel 1

UNIT OF MEASUREMENT: Cubic Meters (M3) (in-situ)

BASIS OF MEASUREMENT: Surveys performed before and after excavation

UNMEASURED ITEMS: Clearing and Grubbing (considered incidental to this item) Excavation below the excavation contours shown in the

Drawings or beyond limits prescribed by the ENGINEER Rock stabilization measures (rockbolts, shotcrete, etc.)

necessary as a result of CONTRACTOR excavation methods/processes

SPECIFIC REQUIREMENTS: Rippable rock excavations as defined in Section 31 23 16 (K082-C2-CS-10-064) to construct channel 1.

Includes:

Excavation/Ripping Loading/Hauling Handling/Rehandling Stockpiling Loading/Hauling to Disposal Areas

Measurement for payment will be made in-place to the lines and grades shown on the Drawings, or when lines and grades are not shown on the Drawings or described in the Specifications, will be as prescribed by the ENGINEER and shall include only material that is actually removed within the prescribed pay lines.

90% Design K115 UNIT PRICE DESCRIPTIONS

Page 2 of 18

ITEM NUMBER: MWH – 003

DESCRIPTION: Bid Item 6 - Unclassified Excavation – Channel 1

UNIT OF MEASUREMENT: Cubic Meters (M3) (in-situ)

BASIS OF MEASUREMENT: Surveys performed before and after excavation

UNMEASURED ITEMS: Clearing and Grubbing (considered incidental to this item) Excavation below the excavation contours shown in the

Drawings or beyond limits prescribed by the ENGINEER

SPECIFIC REQUIREMENTS: Unclassified (materials not classified as rock) excavations to construct channel 1.

Includes:

Excavation Loading/Hauling Handling/Rehandling Stockpiling Loading/Hauling to Disposal Areas

Measurement for payment will be made in-place to the lines and grades shown on the Drawings, or when lines and grades are not shown on the Drawings or described in the Specifications, will be as prescribed by the ENGINEER and shall include only material that is actually removed within the prescribed pay lines.

ITEM NUMBER: MWH – 004

DESCRIPTION: Bid Item 7 – Type I Rockfill – Channel 1

UNIT OF MEASUREMENT: Cubic Meters (M3) (of Placed, Compacted Material)

BASIS OF MEASUREMENT: Surveys performed before and after placement

UNMEASURED ITEMS: Dewatering Borrow Areas (incidental to this item)

SPECIFIC REQUIREMENTS: This Item includes all work required to install Type I Rockfill Material to construct Channel 1. Work in accordance with specification 240K-C2-CS-10-001.

Includes:

Excavation Processing Placing Spreading Grading Handling/Rehandling Loading/Hauling to Disposal Areas Restoring Borrow Areas Construction Water Compacting

Measurement for payment will be made in cubic meters in-place of Type I Rockfill – Channel 1 Material which has been placed and compacted to the neat lines and grades shown on the Drawings.

90% Design K115 UNIT PRICE DESCRIPTIONS

Page 3 of 18

ITEM NUMBER: MWH – 005

DESCRIPTION: Bid Item 8 – Type II Common Fill – Channel 1

UNIT OF MEASUREMENT: Cubic Meters (M3) (of Placed, Compacted Material)

BASIS OF MEASUREMENT: Surveys performed before and after placement

UNMEASURED ITEMS: Dewatering Borrow Areas (incidental to this item)

SPECIFIC REQUIREMENTS: This Item includes all work required to install Type II Common Fill Material to construct Channel 1. Work in accordance with specification 240K-C2-CS-10-001.

Includes:

Excavation Processing Placing Spreading Grading Handling/Rehandling Loading/Hauling to Disposal Areas Restoring Borrow Areas Construction Water Compacting

Measurement for payment will be made in cubic meters in-place of Type II Common Fill Material which has been placed and compacted to the neat lines and grades shown on the Drawings.

ITEM NUMBER: MWH – 006

DESCRIPTION: Bid Item 9 – Type III Select Fill – Channel 1

UNIT OF MEASUREMENT: Cubic Meters (M3) (of Placed, Compacted Material)

BASIS OF MEASUREMENT: Surveys performed before and after placement

UNMEASURED ITEMS: Dewatering Borrow Areas (incidental to this item)

SPECIFIC REQUIREMENTS: This Item includes all work required to install Type III Select Fill Material to construct Channel 1. Work in accordance with specification 240K-C2-CS-10-001.

Includes:

Excavation Processing Placing Spreading Grading Handling/Rehandling Loading/Hauling to Disposal Areas Restoring Borrow Areas Construction Water Compacting

Measurement for payment will be made in cubic meters in-place of Type III Select Fill Material which has been placed and compacted to the neat lines and grades shown on the Drawings.

90% Design K115 UNIT PRICE DESCRIPTIONS

Page 4 of 18

ITEM NUMBER: MWH – 007

DESCRIPTION: Bid Item 10 - Rock Excavation with Blasting – Channel 2

UNIT OF MEASUREMENT: Cubic Meters (M3) (in-situ)

BASIS OF MEASUREMENT: Surveys performed before and after excavation

UNMEASURED ITEMS: Clearing and Grubbing (considered incidental to this item) Excavation below the excavation contours shown in the

Drawings or beyond limits prescribed by the ENGINEER

SPECIFIC REQUIREMENTS: Rock excavation requiring blasting as defined in Section 31 23 16 (K082-C2-CS-10-064) to construct channel 2.

Includes:

Excavation Loading/Hauling Handling/Rehandling Stockpiling Loading/Hauling to Disposal Areas

Measurement for payment will be made in-place to the lines and grades shown on the Drawings, or when lines and grades are not shown on the Drawings or described in the Specifications, will be as prescribed by the ENGINEER and shall include only material that is actually removed within the prescribed pay lines.

ITEM NUMBER: MWH – 008

DESCRIPTION: Bid Item 11 – Rippable Rock Excavation – Channel 2

UNIT OF MEASUREMENT: Cubic Meters (M3) (in-situ)

BASIS OF MEASUREMENT: Surveys performed before and after excavation

UNMEASURED ITEMS: Clearing and Grubbing (considered incidental to this item) Excavation below the excavation contours shown in the

Drawings or beyond limits prescribed by the ENGINEER Rock stabilization measures (rockbolts, shotcrete, etc.)

necessary as a result of CONTRACTOR excavation methods/processes

SPECIFIC REQUIREMENTS: Rippable rock excavations as defined in Section 31 23 16 (K082-C2-CS-10-064) to construct channel 2.

Includes:

Excavation/Ripping Loading/Hauling Handling/Rehandling Stockpiling Loading/Hauling to Disposal Areas

Measurement for payment will be made in-place to the lines and grades shown on the Drawings, or when lines and grades are not shown on the Drawings or described in the Specifications, will be as prescribed by the ENGINEER and shall include only material that is actually removed within the prescribed pay lines.

90% Design K115 UNIT PRICE DESCRIPTIONS

Page 5 of 18

ITEM NUMBER: MWH – 009

DESCRIPTION: Bid Item 12 - Unclassified Excavation – Channel 2

UNIT OF MEASUREMENT: Cubic Meters (M3) (in-situ)

BASIS OF MEASUREMENT: Surveys performed before and after excavation

UNMEASURED ITEMS: Clearing and Grubbing (considered incidental to this item) Excavation below the excavation contours shown in the

Drawings or beyond limits prescribed by the ENGINEER

SPECIFIC REQUIREMENTS: Unclassified (materials not classified as rock) excavations to construct channel 2.

Includes:

Excavation Loading/Hauling Handling/Rehandling Stockpiling Loading/Hauling to Disposal Areas

Measurement for payment will be made in-place to the lines and grades shown on the Drawings, or when lines and grades are not shown on the Drawings or described in the Specifications, will be as prescribed by the ENGINEER and shall include only material that is actually removed within the prescribed pay lines.

ITEM NUMBER: MWH – 010

DESCRIPTION: Bid Item 13 - Rock Excavation with Blasting – Channel 3

UNIT OF MEASUREMENT: Cubic Meters (M3) (in-situ)

BASIS OF MEASUREMENT: Surveys performed before and after excavation

UNMEASURED ITEMS: Clearing and Grubbing (considered incidental to this item) Excavation below the excavation contours shown in the

Drawings or beyond limits prescribed by the ENGINEER

SPECIFIC REQUIREMENTS: Rock excavation requiring blasting as defined in Section 31 23 16 (K082-C2-CS-10-064) to construct channel 3.

Includes:

Excavation Loading/Hauling Handling/Rehandling Stockpiling Loading/Hauling to Disposal Areas

Measurement for payment will be made in-place to the lines and grades shown on the Drawings, or when lines and grades are not shown on the Drawings or described in the Specifications, will be as prescribed by the ENGINEER and shall include only material that is actually removed within the prescribed pay lines.

90% Design K115 UNIT PRICE DESCRIPTIONS

Page 6 of 18

ITEM NUMBER: MWH – 011

DESCRIPTION: Bid Item 14 – Rippable Rock Excavation – Channel 3

UNIT OF MEASUREMENT: Cubic Meters (M3) (in-situ)

BASIS OF MEASUREMENT: Surveys performed before and after excavation

UNMEASURED ITEMS: Clearing and Grubbing (considered incidental to this item) Excavation below the excavation contours shown in the

Drawings or beyond limits prescribed by the ENGINEER Rock stabilization measures (rockbolts, shotcrete, etc.)

necessary as a result of CONTRACTOR excavation methods/processes

SPECIFIC REQUIREMENTS: Rippable rock excavations as defined in Section 31 23 16 (K082-C2-CS-10-064) to construct channel 3.

Includes:

Excavation/Ripping Loading/Hauling Handling/Rehandling Stockpiling Loading/Hauling to Disposal Areas

Measurement for payment will be made in-place to the lines and grades shown on the Drawings, or when lines and grades are not shown on the Drawings or described in the Specifications, will be as prescribed by the ENGINEER and shall include only material that is actually removed within the prescribed pay lines.

ITEM NUMBER: MWH – 012

DESCRIPTION: Bid Item 15 - Unclassified Excavation – Channel 3

UNIT OF MEASUREMENT: Cubic Meters (M3) (in-situ)

BASIS OF MEASUREMENT: Surveys performed before and after excavation

UNMEASURED ITEMS: Clearing and Grubbing (considered incidental to this item) Excavation below the excavation contours shown in the

Drawings or beyond limits prescribed by the ENGINEER

SPECIFIC REQUIREMENTS: Unclassified (materials not classified as rock) excavations to construct channel 3.

Includes:

Excavation Loading/Hauling Handling/Rehandling Stockpiling Loading/Hauling to Disposal Areas

Measurement for payment will be made in-place to the lines and grades shown on the Drawings, or when lines and grades are not shown on the Drawings or described in the Specifications, will be as prescribed by the ENGINEER and shall include only material that is actually removed within the prescribed pay lines.

90% Design K115 UNIT PRICE DESCRIPTIONS

Page 7 of 18

ITEM NUMBER: MWH – 013

DESCRIPTION: Bid Item 16 – Riprap – Channel 3

UNIT OF MEASUREMENT: Cubic Meters (M3) (of Placed, Compacted Material)

BASIS OF MEASUREMENT: Surveys performed before and after placement

UNMEASURED ITEMS: N/A

SPECIFIC REQUIREMENTS: This Item includes all work required to install Riprap through areas of colluvium foundation materials in Channel 3.

Includes:

Processing of on-site excavated rock Hauling form stockpiles Placing Spreading Compacting Grading

Measurement for payment will be made in cubic meters in-place of riprap which has been placed and compacted to the neat lines and grades shown on the Drawings.

ITEM NUMBER: MWH – 014

DESCRIPTION: Bid Item 17 – Filter A – Channel 3

UNIT OF MEASUREMENT: Cubic Meters (M3) (of Placed, Compacted Material)

BASIS OF MEASUREMENT: Surveys performed before and after placement

UNMEASURED ITEMS: Dewatering Borrow Areas (incidental to this item)

SPECIFIC REQUIREMENTS: This Item includes all work required to install Filter A Material to construct riprap bedding through areas of colluvium foundation materials in Channel 3.

Includes:

Excavation Processing Washing Loading/Hauling Placing Spreading Grading Stockpiling Handling/Rehandling Disposal of Waste materials Restoration of Borrow Areas Construction Water Compaction

Measurement for payment will be made in cubic meters in-place of Filter A Material which has been placed and compacted to the neat lines and grades shown on the Drawings.

90% Design K115 UNIT PRICE DESCRIPTIONS

Page 8 of 18

ITEM NUMBER: MWH – 015

DESCRIPTION: Bid Item 18 - Geotextile – Channel 3

UNIT OF MEASUREMENT: Square Meters (M2) (of Placed Material)

BASIS OF MEASUREMENT: Surveys performed before and after placement

UNMEASURED ITEMS: Overlap of adjacent geotextile sheets On-Site Storage

SPECIFIC REQUIREMENTS: Geotextile includes: Furnishing Geotextile Handling Installation

The measurement for payment will be made in square meter of geotextile in-place according to the lines and grades shown on the Drawings and meeting the requirements of the specifications.

ITEM NUMBER: MWH – 016

DESCRIPTION: Bid Item 19 - Rock Excavation with Blasting – Embankment

UNIT OF MEASUREMENT: Cubic Meters (M3) (in-situ)

BASIS OF MEASUREMENT: Surveys performed before and after excavation

UNMEASURED ITEMS: Clearing and Grubbing (considered incidental to this item) Excavation below the excavation contours shown in the

Drawings or beyond limits prescribed by the ENGINEER

SPECIFIC REQUIREMENTS: Rock excavation requiring blasting as defined in Section 31 23 16 (K082-C2-CS-10-064) to construct the Seepage Corridor Embankment.

Includes:

Excavation Loading/Hauling Handling/Rehandling Stockpiling Loading/Hauling to Disposal Areas

Measurement for payment will be made in-place to the lines and grades shown on the Drawings, or when lines and grades are not shown on the Drawings or described in the Specifications, will be as prescribed by the ENGINEER and shall include only material that is actually removed within the prescribed pay lines.

90% Design K115 UNIT PRICE DESCRIPTIONS

Page 9 of 18

ITEM NUMBER: MWH – 017

DESCRIPTION: Bid Item 20 – Rippable Rock Excavation – Embankment

UNIT OF MEASUREMENT: Cubic Meters (M3) (in-situ)

BASIS OF MEASUREMENT: Surveys performed before and after excavation

UNMEASURED ITEMS: Clearing and Grubbing (considered incidental to this item) Excavation below the excavation contours shown in the

Drawings or beyond limits prescribed by the ENGINEER Rock stabilization measures (rockbolts, shotcrete, etc.)

necessary as a result of CONTRACTOR excavation methods/processes

SPECIFIC REQUIREMENTS: Rippable rock excavations as defined in Section 31 23 16 (K082-C2-CS-10-064) to construct the Seepage Corridor Embankment.

Includes:

Excavation/Ripping Loading/Hauling Handling/Rehandling Stockpiling Loading/Hauling to Disposal Areas

Measurement for payment will be made in-place to the lines and grades shown on the Drawings, or when lines and grades are not shown on the Drawings or described in the Specifications, will be as prescribed by the ENGINEER and shall include only material that is actually removed within the prescribed pay lines.

ITEM NUMBER: MWH – 018

DESCRIPTION: Bid Item 21 - Unclassified Excavation – Embankment

UNIT OF MEASUREMENT: Cubic Meters (M3) (in-situ)

BASIS OF MEASUREMENT: Surveys performed before and after excavation

UNMEASURED ITEMS: Clearing and Grubbing (considered incidental to this item) Excavation below the excavation contours shown in the

Drawings or beyond limits prescribed by the ENGINEER

SPECIFIC REQUIREMENTS: Unclassified (materials not classified as rock) excavations to construct the Seepage Corridor Embankment.

Includes:

Excavation Loading/Hauling Handling/Rehandling Stockpiling Loading/Hauling to Disposal Areas

Measurement for payment will be made in-place to the lines and grades shown on the Drawings, or when lines and grades are not shown on the Drawings or described in the Specifications, will be as prescribed by the ENGINEER and shall include only material that is actually removed within the prescribed pay lines.

90% Design K115 UNIT PRICE DESCRIPTIONS

Page 10 of 18

ITEM NUMBER: MWH – 019

DESCRIPTION: Bid Item 22 - Foundation Preparation – Embankment

UNIT OF MEASUREMENT: Square Meters (M2)

BASIS OF MEASUREMENT: Surveys performed after excavation

UNMEASURED ITEMS: N/A

SPECIFIC REQUIREMENTS: Foundation preparation of the embankment includes:

Cleaning foundation area Grading surfaces Removal of spoil materials Proof Rolling Foundation Treatment (Dental Concrete, Slush Grouting

and/or Stitch Grouting)

Measurement for payment will be in square meters of foundation area acceptably prepared and graded as shown on the drawings and described in the technical specifications.

ITEM NUMBER: MWH – 020

DESCRIPTION: Bid Item 23 - Zone 1 Rockfill – Embankment

UNIT OF MEASUREMENT: Cubic Meters (M3) (of Placed, Compacted Material)

BASIS OF MEASUREMENT: Surveys performed before and after placement

UNMEASURED ITEMS: N/A

SPECIFIC REQUIREMENTS: This Item includes work required to install Zone 1 Rockfill to produce and construct the Seepage Corridor Embankment.

Includes:

Processing of excavated material Washing as necessary Loading/Hauling Placing Spreading Grading Stockpiling Handling/Rehandling Construction Water Compacting

Measurement for payment will be made in cubic meters in-place of Zone 1 Rockfill which has been placed and compacted to the neat lines and grades shown on the Drawings.

90% Design K115 UNIT PRICE DESCRIPTIONS

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ITEM NUMBER: MWH – 021

DESCRIPTION: Bid Item 24 - Zone 5 Fine Transition - Embankment

UNIT OF MEASUREMENT: Cubic Meters (M3) (of Placed, Compacted Material)

BASIS OF MEASUREMENT: Surveys performed before and after placement

UNMEASURED ITEMS: N/A

SPECIFIC REQUIREMENTS: This Item includes all work required to install Zone 5 Fine Transition Material to construct the Seepage Corridor Embankment.

Includes:

Loading/Hauling Placing Spreading Grading Stockpiling Handling/Rehandling Construction Water Compacting

Measurement for payment will be made in cubic meters in-place of Zone 5 Fine Transition which has been placed and compacted to the neat lines and grades shown on the Drawings.

ITEM NUMBER: MWH – 022

DESCRIPTION: Bid Item 25 - Zone 6 Coarse Transition - Embankment

UNIT OF MEASUREMENT: Cubic Meters (M3) (of Placed, Compacted Material)

BASIS OF MEASUREMENT: Surveys performed before and after placement

UNMEASURED ITEMS: N/A

SPECIFIC REQUIREMENTS: This Item includes all work required to install Zone 6 Coarse Transition Material to construct the Seepage Corridor Embankment.

Includes:

Loading/Hauling Placing Spreading Grading Stockpiling Handling/Rehandling Construction Water Compacting

Measurement for payment will be made in cubic meters in-place of Zone 6 Coarse Transition which has been placed and compacted to the neat lines and grades shown on the Drawings.

90% Design K115 UNIT PRICE DESCRIPTIONS

Page 12 of 18

ITEM NUMBER: MWH – 023

DESCRIPTION: Bid Item 26 – Zone 7 Select Core - Embankment

UNIT OF MEASUREMENT: Cubic Meters (M3) (of Placed, Compacted Material)

BASIS OF MEASUREMENT: Surveys performed before and after placement

UNMEASURED ITEMS: N/A

SPECIFIC REQUIREMENTS: This Item includes all work required to install Zone 7 Select Core Material to construct the Seepage Corridor Embankment.

Includes:

Moisture Conditioning Loading/Hauling Placing Spreading Construction Water Compacting/Special Compaction

Measurement for payment will be made in cubic meters of the Zone 7 material acceptably placed to the lines and grades shown on the Drawings.

ITEM NUMBER: MWH – 024

DESCRIPTION: Bid Item 27 – Type II Common Fill – Embankment

UNIT OF MEASUREMENT: Cubic Meters (M3) (of Placed, Compacted Material)

BASIS OF MEASUREMENT: Surveys performed before and after placement

UNMEASURED ITEMS: Dewatering Borrow Areas (incidental to this item)

SPECIFIC REQUIREMENTS: This Item includes all work required to install Type II Common Fill Material to construct the Seepage Corridor Embankment. Work in accordance with specification 240K-C2-CS-10-001.

Includes:

Excavation Processing Placing Spreading Grading Handling/Rehandling Loading/Hauling to Disposal Areas Restoring Borrow Areas Construction Water Compacting

Measurement for payment will be made in cubic meters in-place of Type II Common Fill Material which has been placed and compacted to the neat lines and grades shown on the Drawings.

90% Design K115 UNIT PRICE DESCRIPTIONS

Page 13 of 18

ITEM NUMBER: MWH – 025

DESCRIPTION: Bid Item 28 – Type III Select Fill – Embankment

UNIT OF MEASUREMENT: Cubic Meters (M3) (of Placed, Compacted Material)

BASIS OF MEASUREMENT: Surveys performed before and after placement

UNMEASURED ITEMS: Dewatering Borrow Areas (incidental to this item)

SPECIFIC REQUIREMENTS: This Item includes all work required to install Type III Select Fill Material to construct the Seepage Corridor Embankment. Work in accordance with specification 240K-C2-CS-10-001.

Includes:

Excavation Processing Placing Spreading Grading Handling/Rehandling Loading/Hauling to Disposal Areas Restoring Borrow Areas Construction Water Compacting

Measurement for payment will be made in cubic meters in-place of Type III Select Fill Material which has been placed and compacted to the neat lines and grades shown on the Drawings.

90% Design K115 UNIT PRICE DESCRIPTIONS

Page 14 of 18

ITEM NUMBER: MWH – 026

DESCRIPTION: Bid Item 29 - Structural Concrete – Low Level Inlet Structure

UNIT OF MEASUREMENT: Cubic Meters (M3) (of Placed Concrete)

BASIS OF MEASUREMENT: Surveys performed before and after placement

UNMEASURED ITEMS: Dewatering Borrow Areas (incidental to this item)

SPECIFIC REQUIREMENTS: Structural Concrete – Low Level Inlet Structure includes: Form work Placing Concrete Vibrating Concrete Finishing/Curing Concrete Procuring Reinforcing Steel Transporting Reinforcing Steel Installing Reinforcing Steel Procuring Foundation Anchors Transporting Foundation Anchors Installing Foundation Anchors Procuring Waterstop Transporting Waterstop Installing Waterstop Joint Preparation Work Placing Leveling Concrete as Directed by the ENGINEER

Measurement for payment will be made in cubic meters in-place of concrete which has been placed to the neat lines and grades shown on the Drawings.

90% Design K115 UNIT PRICE DESCRIPTIONS

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ITEM NUMBER: MWH – 026.1

DESCRIPTION: Bid Item 29.1 - Structural Concrete – Inlet Riser Section (Optional)

UNIT OF MEASUREMENT: Each (EA) (constructed Inlet Riser Section)

BASIS OF MEASUREMENT: Construction Drawings

UNMEASURED ITEMS: N/A

SPECIFIC REQUIREMENTS: Structural Concrete – Inlet Riser Section includes: Form work Placing Concrete Vibrating Concrete Finishing/Curing Concrete Procuring Reinforcing Steel Transporting Reinforcing Steel Installing Reinforcing Steel Procuring Foundation Anchors Transporting Foundation Anchors Installing Foundation Anchors Procuring Waterstop Transporting Waterstop Installing Waterstop Joint Preparation Work Placing Leveling Concrete as Directed by the ENGINEER

Measurement for payment will be made for each inlet riser section, which has been constructed as shown on the drawings and as approved by the ENGINEER.

ITEM NUMBER: MWH – 027

DESCRIPTION: Bid Item 30 – Outlet Conduit

UNIT OF MEASUREMENT: Linear Meter (LM) (of installed Pipe)

BASIS OF MEASUREMENT: Construction Drawings

UNMEASURED ITEMS: The Cleanout Assembly as shown in the Drawings

SPECIFIC REQUIREMENTS: Outlet Conduit includes: Installing 24-Inch Steel Pipe

Measurement for payment will be made per linear meter of Steel pipe installed to the lines and grades shown on the drawings.

90% Design K115 UNIT PRICE DESCRIPTIONS

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ITEM NUMBER: MWH – 028

DESCRIPTION: Bid Item 31 - Structural Concrete – Conduit Encasement

UNIT OF MEASUREMENT: Cubic Meters (M3) (of Placed Concrete)

BASIS OF MEASUREMENT: Surveys performed before and after placement

UNMEASURED ITEMS: Concrete Anchor block for Cleanout Assembly

SPECIFIC REQUIREMENTS: Structure Concrete – Conduit Encasement includes: Form work Placing Concrete Vibrating Concrete Finishing/Curing Concrete Procuring Reinforcing Steel Transporting Reinforcing Steel Installing Reinforcing Steel Procuring Foundation Anchors Transporting Foundation Anchors Installing Foundation Anchors Procuring Waterstop Transporting Waterstop Installing Waterstop Joint Preparation Work Placing Leveling Concrete as Directed by the ENGINEER Includes Anchor Block for Cleanout Assembly

Measurement for payment will be made in cubic meters in-place of concrete which has been placed to the neat lines and grades shown on the Drawings.

ITEM NUMBER: MWH – 029

DESCRIPTION: Bid Item 32 – Vent Pipe

UNIT OF MEASUREMENT: Linear Meter (LM) (of installed Pipe)

BASIS OF MEASUREMENT: Construction Drawings

UNMEASURED ITEMS: Concrete Encasement for the upstream vent pipe All Pipe Supports necessary for the downstream vent pipe

installation Anchors

SPECIFIC REQUIREMENTS: Vent Pipe includes: Installing 6-Inch Steel Pipe

Measurement for payment will be made per linear meter of Steel pipe installed to the lines and grades shown on the drawings.

90% Design K115 UNIT PRICE DESCRIPTIONS

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ITEM NUMBER: MWH – 030

DESCRIPTION: Bid Item 33 – Embankment Outlet Pipe - HDPE SDR 9

UNIT OF MEASUREMENT: Linear Meter (LM) (of installed Pipe)

BASIS OF MEASUREMENT: Construction Drawings

UNMEASURED ITEMS: N/A

SPECIFIC REQUIREMENTS: Embankment Outlet Pipe – HDPE SDR 9 includes: Installing HDPE SDR 9 Pipe

Measurement for payment will be made per linear meter of HDPE SDR 9 pipe installed to the lines and grades shown on the drawings.

ITEM NUMBER: MWH – 031

DESCRIPTION: Bid Item 34 – Embankment Outlet Pipe - HDPE SDR 17

UNIT OF MEASUREMENT: Linear Meter (LM) (of installed Pipe)

BASIS OF MEASUREMENT: Construction Drawings

UNMEASURED ITEMS: N/A

SPECIFIC REQUIREMENTS: Embankment Outlet Pipe – HDPE SDR 17 includes: Installing HDPE SDR 17 Pipe

Measurement for payment will be made per linear meter of HDPE SDR 17 pipe installed to the lines and grades shown on the drawings.

ITEM NUMBER: MWH – 032

DESCRIPTION: Bid Item 35 - Unclassified Excavation – Embankment Outlet Pipe

UNIT OF MEASUREMENT: Cubic Meters (M3) (in-situ)

BASIS OF MEASUREMENT: Surveys performed before and after excavation

UNMEASURED ITEMS: Clearing and Grubbing (considered incidental to this item) Excavation below the excavation contours shown in the

Drawings or beyond limits prescribed by the ENGINEER

SPECIFIC REQUIREMENTS: Unclassified (materials not classified as rock) excavations to construct the Embankment Outlet Pipe.

Includes:

Excavation Loading/Hauling Handling/Rehandling Stockpiling Loading/Hauling to Disposal Areas

Measurement for payment will be made in-place to the lines and grades shown on the Drawings, or when lines and grades are not shown on the Drawings or described in the Specifications, will be as prescribed by the ENGINEER and shall include only material that is actually removed within the prescribed pay lines.

ITEM NUMBER: MWH – 033

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Page 18 of 18

DESCRIPTION: Bid Item 36 - Structural Concrete – Spillway

UNIT OF MEASUREMENT: Cubic Meters (M3) (of Placed Concrete)

BASIS OF MEASUREMENT: Surveys performed before and after placement

UNMEASURED ITEMS: N/A

SPECIFIC REQUIREMENTS: Structural Concrete - Spillway includes: Form work Placing Concrete Vibrating Concrete Finishing/Curing Concrete Procuring Reinforcing Steel Transporting Reinforcing Steel Installing Reinforcing Steel Procuring Foundation Anchors Transporting Foundation Anchors Installing Foundation Anchors Procuring Waterstop Transporting Waterstop Installing Waterstop Joint Preparation Work Placing Leveling Concrete as Directed by the ENGINEER Foundation Preparation

Measurement for payment will be made in cubic meters in-place of concrete which has been placed to the neat lines and grades shown on the Drawings.