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Emsworth L/D - Back Channel Left Abutment Stabilization and Scour Protection

SECTION TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 22 00.00 10

MEASUREMENT AND PAYMENT

PART 1 GENERAL

1.1 LUMP SUM PAYMENT ITEMS

1.1.1 General

1.1.2 Mobilization and Demobilization

1.1.2.1 Payment

1.1.2.2 Unit of Measure

1.1.3 Project Signs

1.1.3.1 Payment

1.1.3.2 Unit of Measure

1.1.4 Grout Bag Scour Protection Demonstration Project

1.1.4.1 Payment

1.1.4.2 Unit of Measure

1.1.5 Instrumentation

1.1.5.1 Payment

1.1.5.2 Unit of Measure

1.1.6 Laydown and Staging Area

1.1.6.1 Payment

1.1.6.2 Unit of Measurement

1.1.7 Chemical Data Quality Control

1.1.7.1 Payment

1.1.7.2 Unit of Measure

1.1.8 Replace Salvaged Riprap Against Combination Wall

1.1.8.1 Payment

1.1.8.2 Unit of Measure

1.1.9 Restoration of Work Platform and Disturbed Areas

1.1.9.1 Payment

1.1.9.2 Unit of Measure

1.2 UNIT PRICE PAYMENT ITEMS

1.2.1 General

1.2.2 Digital Progress Images

1.2.2.1 Payment

1.2.2.2 Measurement

1.2.2.3 Unit of Measure

1.2.3 Removal, Staging, and Reuse of Existing Derrick Stone

1.2.3.1 Payment

1.2.3.2 Measurement

1.2.3.3 Unit of Measure

1.2.4 Removal, Staging, and Reuse of Existing 3 Foot Graded Stone

Layer

1.2.4.1 Payment

1.2.4.2 Measurement

1.2.4.3 Unit of Measure

1.2.5 Dredging for 3H:1V Slope

1.2.5.1 Payment

1.2.5.2 Measurement

1.2.5.3 Unit of Measure

1.2.6 Geogrid Reinforcement

SECTION 01 22 00.00 10 Page 1 W911WN-10-B-0006 Revised by Amendment 0002

1.2.6.1 Payment

1.2.6.2 Measurement

1.2.6.3 Unit of Measure

1.2.7 Bedding Material

1.2.7.1 Payment

1.2.7.2 Measurement

1.2.7.3 Unit of Measure

1.2.8 Grout Bags

1.2.8.1 Payment

1.2.8.2 Measurement

1.2.8.3 Unit of Measure

1.2.9 Cast-in-Place Concrete Tie-In Element

1.2.9.1 Payment

1.2.9.2 Measurement

1.2.9.3 Unit of Measure

1.2.10 Grout Bag Flank Protection

1.2.10.1 Payment

1.2.10.2 Measurement

1.2.10.3 Unit of Measure

1.2.11 Drilling Holes in Existing Dam Apron

1.2.11.1 Payment

1.2.11.2 Measurement

1.2.11.3 Unit of Measure

1.2.12 Grout Place in Existing Dam Apron

1.2.12.1 Payment

1.2.12.2 Measurement

1.2.12.3 Unit of Measure

1.2.13 Demolition of Posts and Cable

1.2.13.1 Payment

1.2.13.2 Measurement

1.2.13.3 Unit of Measure

1.2.14 Work Platform Earthwork

1.2.14.1 Payment

1.2.14.2 Measurement

1.2.14.3 Unit of Measure

1.2.15 Work Platform Aggregate Base Course

1.2.15.1 Payment

1.2.15.2 Measurement

1.2.15.3 Unit of Measure

1.2.16 Work Platform Grouted Riprap

1.2.16.1 Payment

1.2.16.2 Measurement

1.2.16.3 Unit of Measure

1.2.17 Work Platform Trench Drain

1.2.17.1 Payment

1.2.17.2 Measurement

1.2.17.3 Unit of Measure

1.2.18 Non-contaminated Material Excavation

1.2.18.1 Payment

1.2.18.2 Measurement

1.2.18.3 Unit of Measure

1.2.19 Contaminated Material Excavation

1.2.19.1 Payment

1.2.19.2 Measurement

1.2.19.3 Unit of Measure

1.2.20 Drilling Holes for Micropiles

1.2.20.1 Payment

1.2.20.2 Measurement

1.2.20.3 Unit of Measure

SECTION 01 22 00.00 10 Page 2

1.2.21 Pregrouting Holes for Micropiles

1.2.21.1 Payment

1.2.21.2 Measurement

1.2.21.3 Unit of Measure

1.2.22 Redrilling Grouted Holes for Watertightness Testing for

Micropiles

1.2.22.1 Payment

1.2.22.2 Measurement

1.2.22.3 Unit of Measure

1.2.23 Watertightness Testing for Micropiles

1.2.23.1 Payment

1.2.23.2 Measurement

1.2.23.3 Unit of Measure

1.2.24 Micropiles

1.2.24.1 Payment

1.2.24.2 Measurement

1.2.24.3 Unit of Measure

1.2.25 Abandonment of Holes for Micropiles

1.2.25.1 Payment

1.2.25.2 Measurement

1.2.25.3 Unit of Measure

1.2.26 Clean Out Existing Weep Holes Through Abutment Wall

1.2.26.1 Payment

1.2.26.2 Measurement

1.2.26.3 Unit of Measure

1.2.27 Drill New 4-Inch Diameter Weep Holes Through Abutment Wall

1.2.27.1 Payment

1.2.27.2 Measurement

1.2.27.3 Unit of Measure

1.2.28 Abutment Combination Wall Sheet, Pipe, and End Piles

1.2.28.1 Payment

1.2.28.2 Measurement

1.2.28.3 Unit of Measure

1.2.29 Abutment Combination Wall King Piles

1.2.29.1 Payment

1.2.29.2 Measurement

1.2.29.3 Unit of Measure

1.2.30 Abutment Combination Wall Rock Sockets

1.2.30.1 Payment

1.2.30.2 Measurement

1.2.30.3 Unit of Measure

1.2.31 Abutment Combination Wall Concrete Infill and Cap/Slab

1.2.31.1 Payment

1.2.31.2 Measurement

1.2.31.3 Unit of Measure

1.2.32 Drilling Holes for Rock Anchors

1.2.32.1 Payment

1.2.32.2 Measurement

1.2.32.3 Unit of Measure

1.2.33 Pregrouting Holes for Permanent Inclined Rock Anchors

1.2.33.1 Payment

1.2.33.2 Measurement

1.2.33.3 Unit of Measure

1.2.34 Redrilling Grouted Holes for Watertightness Testing for Rock

Anchors

1.2.34.1 Payment

1.2.34.2 Measurement

1.2.34.3 Unit of Measure

1.2.35 Watertightness Testing For Rock Anchors

SECTION 01 22 00.00 10 Page 3

1.2.35.1 Payment

1.2.35.2 Measurement

1.2.35.3 Unit of Measure

1.2.36 Permanent Inclined Rock Anchors

1.2.36.1 Payment

1.2.36.2 Measurement

1.2.36.3 Unit of Measure

1.2.37 Performance Tests on Permanent Inclined Rock Anchors

1.2.37.1 Payment

1.2.37.2 Measurement

1.2.37.3 Unit of Measure

1.2.38 Proof Tests on Permanent Inclined Rock Anchors

1.2.38.1 Payment

1.2.38.2 Measurement

1.2.38.3 Unit of Measure

1.2.39 Abutment Wall Repair Concrete Removal

1.2.39.1 Payment

1.2.39.2 Measurement

1.2.39.3 Unit of Measure

1.2.40 Abutment Wall Repair Concrete Repairs

1.2.40.1 Payment

1.2.40.2 Measurement

1.2.40.3 Unit of Measure

1.2.41 Abutment Wall Handrailing

1.2.41.1 Payment

1.2.41.2 Measurement

1.2.41.3 Unit of Measure

1.2.42 Non-contaminated Material Disposal

1.2.42.1 Payment

1.2.42.2 Measurement

1.2.42.3 Unit of Measure

PART 2 PRODUCTS (Not Applicable)

PART 3 EXECUTION (Not Applicable)

-- End of Section Table of Contents --

SECTION 01 22 00.00 10 Page 4

SECTION 01 22 00.00 10

MEASUREMENT AND PAYMENT

PART 1 GENERAL

1.1 LUMP SUM PAYMENT ITEMS

1.1.1 General

Payment items for the work of this contract for which contract lump sum payments will be made are listed in the BID SCHEDULE and described below.

All costs for items of work, which are not specifically mentioned to be included in a particular lump sum or unit price payment item, shall be included in the listed lump sum item most closely associated with the work involved. The lump sum price and payment made for each item listed shall constitute full compensation for furnishing all plant, labor, materials, and equipment, and performing any associated Contractor quality control, environmental protection, meeting safety requirements, tests and reports, and for performing all work required for which separate payment is not otherwise provided.

1.1.2 Mobilization and Demobilization

Lump Sum item listed in the BID SCHEDULE include:

0001AB ARRA - MOBILIZATION AND DEMOBILIZATION

1.1.2.1 Payment

Payment for this item shall constitute full compensation for all labor, equipment, material, and supply costs to move machinery, tools, and supplies onto the project site and to remove such items from Government property at the close of the project.

1.1.2.2 Unit of Measure

Unit of Measure: Lump Sum.

1.1.3 Project Signs

Lump Sum item listed in the BID SCHEDULE include:

0001AD ARRA - PROJECT SIGNS

1.1.3.1 Payment

Payment for this item shall constitute full compensation for all labor, equipment, material, and supply costs to furnish and install the project and safety signs, and remove the signs upon completion of the work as specified in Section 01 50 10 PROJECT AND SAFETY SIGNS.

1.1.3.2 Unit of Measure

Unit of Measure: Lump Sum.

SECTION 01 22 00.00 10 Page 5

1.1.4 Grout Bag Scour Protection Demonstration Project

Lump Sum item listed in the BID SCHEDULE include:

0001AE ARRA - SCOUR PROTECTION, DEMONSTRATION PROJECT

1.1.4.1 Payment

Payment shall constitute full compensation for all costs in association with performing a demonstration project for the grout bag scour protection in accordance with specification Section 35 43 29.15 GROUT BAG DEMONSTRATION PROJECT. Payment shall include all labor, equipments, materials, barges, supplies and incidental costs to construct the demonstration section. Payment shall include all sampling and testing required for the demonstration project as specified in Section 35 43 29.15

GROUT BAG DEMONSTRATION PROJECT.

1.1.4.2 Unit of Measure

Unit of Measure: Lump Sum.

1.1.5 Instrumentation

Lump Sum item listed in the BID SCHEDULE include:

0001AS ARRA - INSTRUMENTATION - INSTALLATION, MONITORING, DATA

REDUCTION AND INTERPRETATION, AND REPORTING

1.1.5.1 Payment

Payment for this item shall constitute full compensation for all labor, equipment, material, and supply costs to install and monitor instrumentation as specified. Survey and alignment work is considered incidental to this and other work in the project.

1.1.5.2 Unit of Measure

Unit of Measure: Lump Sum.

1.1.6 Laydown and Staging Area

Lump Sum item listed in the BID SCHEDULE include:

0001AT ARRA - LAYDOWN AND STAGING AREA

1.1.6.1 Payment

Payment for this item shall constitute full compensation for all labor, equipment, material, and supplies to provide the laydown and staging area as specified. Geotextile shall be in accordance with Section 31 05 22 GEOTEXTILES USED AS FILTERS. Stone and earthwork shall be in accordance with Section 31 00 00 EARTHWORK. The laydown and staging area shall be reclaimed to preconstruction condition at the completion of the contract as directed by the Contracting Officer. Payment shall also include all required storm water pollution control measures in accordance with Section

01 57 23 STORM WATER POLLUTION PREVENTION MEASURES.

SECTION 01 22 00.00 10 Page 6

1.1.6.2 Unit of Measurement

Unit of Measure: Lump Sum.

1.1.7 Chemical Data Quality Control

Lump Sum item listed in the BID SCHEDULE include:

0001BB ARRA - CHEMICAL DATA QUALITY CONTROL

1.1.7.1 Payment

Payment for this item shall constitute full compensation for all labor, equipment, material, and supply costs to monitor and test excavated materials as specified in Section 01 35 45.00 10 CHEMICAL DATA QUALITY

CONTROL.

1.1.7.2 Unit of Measure

Unit of Measure: Lump Sum.

1.1.8 Replace Salvaged Riprap Against Combination Wall

Lump Sum item listed in the BID SCHEDULE include:

0001CL ARRA - ABUTMENT COMBINATION WALL, REPLACE SALVAGED GRADED

RIPRAP AND DERRICK STONE AGAINST ABUTMENT SECTION AND BEHIND SLOPE

SECTION OF COMBINATION WALL

1.1.8.1 Payment

Payment for this item shall constitute full compensation for all labor, equipment, material, and supply costs to remove the existing graded stone and derrick stone material from the river, stage and segregate the material, and reinstall the material in accordance with Section 35 20 23

DREDGING.

1.1.8.2 Unit of Measure

Unit of Measure: Lump Sum.

1.1.9 Restoration of Work Platform and Disturbed Areas

Lump Sum item listed in the BID SCHEDULE include:

0001CM ARRA - RESTORATION OF WORK PLATFORM AND DISTURBED AREAS

1.1.9.1 Payment

Payment for this item shall constitute full compensation for all labor, equipment, material, and supply costs to restore the work platform not receiving grouted riprap protection and disturbed areas resulting from construction activities to preconstruction conditions with means and methods approved by the Contracting Officer. All permanent seeding shall be approved by the Contracting Officer prior to installation. All restoration shall be to the satisfaction of the Contracting Officer.

SECTION 01 22 00.00 10 Page 7

1.1.9.2 Unit of Measure

Unit of Measure: Lump Sum.

1.2 UNIT PRICE PAYMENT ITEMS

1.2.1 General

Payment items for the work of this contract on which the contract unit price payments will be made are listed in the BID SCHEDULE and described below. The unit price and payment made for each item listed shall constitute full compensation for furnishing all plant, labor, materials, and equipment, and performing any associated Contractor quality control, environmental protection, meeting safety requirements, tests and reports, and for performing all work required for each of the unit price items.

1.2.2 Digital Progress Images

Unit Price item listed in the BID SCHEDULE include:

0001AC ARRA - DIGITAL PROGRESS IMAGES

1.2.2.1 Payment

Payment for monthly project images shall be based on each set approved by the Contracting Officer, and shall include all work to take the images, process the images, download the images on the Government field office computer, and produce the official record copy of the images on a compact disk (CD) as specified in Section 01 32 33 DIGITAL PROGRESS IMAGES.

1.2.2.2 Measurement

Measurement for monthly project images shall be based on each set of photographs approved by the Contracting Officer, as specified.

1.2.2.3 Unit of Measure

Unit of measure: Sets.

1.2.3 Removal, Staging, and Reuse of Existing Derrick Stone

Unit Price items listed in the BID SCHEDULE include:

0001AF ARRA - SCOUR PROTECTION, REMOVAL, STAGING, AND REUSE OF

EXISTING DERRICK STONE

0002AB SCOUR PROTECTION, REMOVAL, STAGING, AND REUSE OF EXISTING

DERRICK STONE

1.2.3.1 Payment

Payment for this item shall constitute full compensation for all labor, equipment, material and supply costs for the following:

a. Removal of the existing derrick stone at the locations shown on the drawings and as specified, including all floating plant, diving services, and lifting equipment necessary for proper removal.

b. Staging of the derrick stone layer downstream of the new grout bag scour protection as shown on the drawings.

SECTION 01 22 00.00 10 Page 8

c. Furnishing and installing nonwoven geotextile bedding beneath the replaced derrick stone layer in accordance with Section 31 05 22 GEOTEXTILES USED AS FILTERS. Overlaps and splices (if allowed) and for the Contractor's convenience will not be measured for payment.

d. Reuse of derrick stone layer at the locations shown on the drawings and as specified, including all floating plants, diving services, and lifting equipment necessary for proper replacement.

e. Payment shall include performing measurements for payment and all other incidental costs in connection with these aspects of the work under this contract. The existing 5 foot derrick stone layer shall be removed, staged, and reused in accordance with Section 35 31 19 STONE SLOPE AND SCOUR PROTECTION, Section 35 20 23 DREDGING, and as shown on the drawings.

f. Payment shall include any supplemental surveys to be performed by the Contractor as required by the Contracting Officer during high water to ensure displacement has not occurred. Any displaced derrick stone that is a direct result of misplacement by the Contractor shall be replaced by the Contractor at no additional cost to the Government. Derrick stone displaced after approval by the Contracting Officer shall be replaced by the Contractor and payment will be made for all work associated with replacement of displaced stone.

1.2.3.2 Measurement

Measurement for the removal, staging, and reuse of the existing derrick stone shall be based on the actual number of cubic yards of derrick stone removed, staged, and reused as determined by the Contractor performed soundings or sweepings taken before and after loading of the derrick stone, as witnessed by the Contracting Officer.

1.2.3.3 Unit of Measure

Unit of measure: Cubic Yards.

1.2.4 Removal, Staging, and Reuse of Existing 3 Foot Graded Stone Layer

Unit Price items listed in the BID SCHEDULE include:

0001AG ARRA - SCOUR PROTECTION, REMOVAL, STAGING, AND REUSE OF

EXISTING 3 FOOT GRADED STONE LAYER

0002AC SCOUR PROTECTION, REMOVAL, STAGING, AND REUSE OF EXISTING 3

FOOT GRADED STONE LAYER

1.2.4.1 Payment

Payment for this item shall constitute full compensation for all labor, equipment, material and supply costs for the following:

a. Removal of the existing 3 foot graded stone layer at the locations shown on the drawings and as specified, including all floating plants, diving services, and lifting equipment necessary for proper removal.

b. Staging of the 3 foot graded stone layer as shown on the drawings or as directed by the Contracting Officer.

SECTION 01 22 00.00 10 Page 9

c. Reuse of 3 foot graded stone layer at the locations shown on the drawings and as specified, including all floating plants, diving services, and lifting equipment necessary for proper replacement.

d. Payment shall include performing measurements for payment and all other incidental costs in connection with these aspects of the work under this contract. The existing 3 foot graded stone layer shall be removed, staged, and reused in accordance with Section 35 31 19 STONE SLOPE AND SCOUR PROTECTION, Section 35 20 23 DREDGING, and as shown on the drawings.

1.2.4.2 Measurement

Measurement for the removal, staging, and reuse of the existing 3 foot graded stone layer shall be based on the actual number of cubic yards of graded stone removed, staged, and reused as determined by the Contractor performed soundings or sweepings taken before and after loading of the 3 foot graded stone layer, as witnessed by the Contracting Officer.

1.2.4.3 Unit of Measure

Unit of measure: Cubic Yards.

1.2.5 Dredging for 3H:1V Slope

Unit Price items listed in the BID SCHEDULE include:

0001AH ARRA - SCOUR PROTECTION, DREDGING FOR 3H:1V SLOPE

0002AD SCOUR PROTECTION, DREDGING FOR 3H:1V SLOPE

1.2.5.1 Payment

Payment for this item shall constitute full compensation for all labor, equipment, material and supply costs for performing the work, including performing measurements for payment and all other incidental costs in connection with these aspects of the work under this contract. Adjustments in contract price for obstructions encountered during dredging operations shall be as specified in Section 35 20 23 DREDGING. Payment shall include the following:

a. Dredging and loading of existing 1 foot bedding stone layer beneath the existing 3 foot grade stone layer as shown on the drawings.

b. Dredging and loading of existing riverbed material to the lines, grades, and elevations shown on the drawings to form the 3H:1V slope required for grout bag installation.

The Contractor is responsible for any additional dredging required to bring the area within the tolerances specified in Section 35 20 23 DREDGING, or shown on the drawings, prior to beginning any work upon which the dredging depends, at no additional cost to the Government, and no additional measurement or payment will be made for such additional dredging. Separate payment will be made for material disposal as specified for disposal of non-contaminated material.

1.2.5.2 Measurement

All measurements for payment will be based on information gathered from surveys (soundings or sweepings) taken by lead line, 200 kHz sonic methods, SECTION 01 22 00.00 10 Page 10 as determined by the Government and as performed by the Contractor, and witnessed by the Contracting Officer, at the project site prior to commencement of dredging operations and again after completion of dredging. Areas sounded more than 30 days prior to dredging shall be resounded if requested by the Contracting Officer. The Contractor shall notify the Contracting Officer at least 2 days before soundings or sweepings are made. No measurement will be made for removal of any materials beyond that indicated on the contract drawings and tolerances specified in Section 35 20 23DREDGING. The Contractor shall sound the riverbed over the area to be dredged by a method, and with equipment, acceptable to the Contracting Officer. Any areas not conforming with the specified tolerances shall be corrected and resounded, at the Contractor's expense. The Contractor shall perform additional soundings or sweepings as necessary during the progress of the work to verify depths. All sounding or sweeping data shall be furnished to the Contracting Officer promptly after the information has been obtained and compiled. Initial soundings or sweepings shall constitute the original cross-sections from which all measurements will be based to calculate the quantity of dredging accomplished, without regard to any changes in the surface that may occur during the performance of the work. The second set of soundings or sweepings shall constitute the final cross-sections from which measurement will be made, and shall be used to verify that the specified bottom elevations and slopes have been achieved. However, no measurement for payment will be made for any material overdredged beyond that permitted by the allowable tolerances for the specified bottom elevation or specified side slopes. Unless otherwise specified and/or approved, quantities shall be calculated in cubic yards by the average end area method based on initial and final soundings or sweepings.

1.2.5.3 Unit of Measure

Unit of measure: Cubic Yards.

1.2.6 Geogrid Reinforcement

Unit Price items listed in the BID SCHEDULE include:

0001AJ ARRA - SCOUR PROTECTION, GEOGRID REINFORCEMENT

0002AE SCOUR PROTECTION, GEOGRID REINFORCEMENT

1.2.6.1 Payment

Payment for geogrid reinforcement beneath the grout bag scour protection shall constitute full compensation for all costs in connection with completing grout bag installation, including furnishing all material, labor, equipment, supplies and incidentals, placement, and protection of geogrid reinforcement before and during grout bag scour protection placement. The Contractor shall place and protect the specified material to the lines and grades shown, and as specified.

1.2.6.2 Measurement

Measurement of geogrid reinforcement beneath the grout bag scour protection shall be performed by the Contractor in accordance with a method(s) approved by the Contracting Officer. Overlaps and splices (if allowed) and for the Contractor's convenience will not be measured for payment.

SECTION 01 22 00.00 10 Page 11

1.2.6.3 Unit of Measure

Unit of measure: Square Yards.

1.2.7 Bedding Material

Unit Price items listed in the BID SCHEDULE include:

0001AK ARRA - SCOUR PROTECTION, BEDDING MATERIAL

0002AF SCOUR PROTECTION, BEDDING MATERIAL

1.2.7.1 Payment

Payment for bedding material of the grout bag scour protection shall constitute full compensation for all costs in connection with completing grout bag installation, including furnishing, placing and protection of bedding material before and during grout bag installation. The Contractor shall place and protect the specified material to the lines and grades shown, and as specified.

1.2.7.2 Measurement

Measurement of bedding material for grout bag scour protection shall be performed by the Contractor in accordance with a method(s) approved by the Contracting Officer.

1.2.7.3 Unit of Measure

Unit of measure: Cubic Yards.

1.2.8 Grout Bags

Unit Price items listed in the BID SCHEDULE include:

0001AL ARRA - SCOUR PROTECTION, FURNISH AND INSTALL GROUT BAGS WITH

ACCESSORIES AND GROUT INFILL

0002AG SCOUR PROTECTION, FURNISH AND INSTALL GROUT BAGS WITH

ACCESSORIES AND GROUT INFILL

1.2.8.1 Payment

Payment shall constitute full compensation for all labor, equipment, tools, and supplies for furnishing and installing grout bags for scour protection, including the following:

a. Protection of bedding material and geogrid reinforcement beneath the grout bags during placement of the grout bag panels and grout infill.

b. Furnishing all manufactured fabric grout bag sizes specified herein, including standard 6 foot wide and special 9 foot wide sizes. Special fabric grout bags furnished by the Contractor are for installation along the abutment combination walls as shown on the drawings. Standard fabric grout bag sizes furnished by the Contractor are for installation at all other locations. Fabric shall be furnished as specified in Section 35 43 29 GROUT BAG SCOUR PROTECTION.

c. Furnishing all grout bag accessories, including self-sealing filling valves, internal vertical strap ties, shape cords and cables, grommets, and zippers to be installed in each fabric grout bag.

SECTION 01 22 00.00 10 Page 12

d. Furnishing all grout infill, including all admixtures, to be placed inside the grout bags. Payment for grout infill shall include all Portland cement, fine aggregate, pozzolan or fly ash, and plasticizing and air entraining admixtures (if used) to meet the strength requirements specified in Section 35 43 29 GROUT BAG SCOUR PROTECTION.

e. Installing shop assembled grout bag panels, fabricated by the grout bag manufacturer, as shown on the drawings. Grout bag panels shall be fabricated by the manufacturer, including all fabric forms and accessories. The Contractor shall be responsible for connection of grout bag panels.

f. Furnishing all panel jigs, floating plant, cranes, and diving services required for proper installation of the grout bag panels.

g. Placing all underwater grout infill into the grout bags by pumping methods. Payment shall include all pumping equipment capable of pumping the grout mixture specified in Section 35 43 29 GROUT BAG SCOUR

PROTECTION.

1.2.8.2 Measurement

Measurement of grout bags for scour protection shall be based on the actual number of cubic yards of grout contained within each grout bag furnished and installed by the Contractor, complete with accessories, in accordance with specification Section 35 43 29 GROUT BAG SCOUR PROTECTION.

Measaurement will be made to the neat lines shown on the drawings, as verified by the confirmation specified in Section 35 43 29 GROUT BAG SCOUR PROTECTION, paragraph "Construction Tolerances". All grout bags placed by the Contractor shall be approved by the Contracting Officer.

1.2.8.3 Unit of Measure

Unit of measure: Cubic Yards.

1.2.9 Cast-in-Place Concrete Tie-In Element

Unit Price items listed in the BID SCHEDULE include:

0001AM ARRA - SCOUR PROTECTION, CAST-IN-PLACE APRON TIE-IN ELEMENT

0002AH SCOUR PROTECTION, CAST-IN-PLACE APRON TIE-IN ELEMENT

1.2.9.1 Payment

Payment shall constitute full compensation for all labor, equipment, tools, and supplies for construction of the cast-in-place apron tie-in element, including the following:

a. Removal of existing fabric portion of grout bags beneath the tie-in element as shown on the drawings. Protection of the grout bags beneath the apron tie-in elements during placement of reinforcement cage, leveling plate, and grout.

b. Furnishing and installing all reinforcement as specified in Section 35 43 29 GROUT BAG SCOUR PROTECTION and as shown on the drawings.

c. Furnishing and installing all necessary formwork and leveling plates for proper placement of the cast-in-place apron tie-in element.

SECTION 01 22 00.00 10 Page 13

d. Furnishing and operating any dewatering equipment as necessary.

e. Furnishing and placing grout specified in Section 35 43 29 GROUT BAG SCOUR PROTECTION. Payment shall include the transportation, placement, and curing methods of cast-in-place grout.

1.2.9.2 Measurement

Measurement of grout for the cast-in-place apron tie-in element for payment shall be based on the actual number of cubic yards of grout placed by the Contractor, as approved by the Contracting Officer.

1.2.9.3 Unit of Measure

Unit of measure: Cubic Yards.

1.2.10 Grout Bag Flank Protection

Unit Price items listed in the BID SCHEDULE include:

0001AN ARRA - SCOUR PROTECTION, GROUT BAG FLANK PROTECTION

0002AJ SCOUR PROTECTION, GROUT BAG FLANK PROTECTION

1.2.10.1 Payment

Payment shall constitute full compensation for all costs in association with providing athe temporary flank protection scheme for grout bags installed in accordance with Section 35 43 29 GROUT BAG SCOUR PROTECTIONas shown on Drawing C-1066 in the event that construction of the grout bag scour protection is terminated for extended periods of time. Payment shall include all labor, equipment, materials, supplies and incidental costs to construct the flank protection scheme as shown on the drawings.

1.2.10.2 Measurement

Measurement of grout bag flank protection for payment shall be based on the actual number of flank protection installations placed by the Contractor, as approved by the Contracting Officer.

1.2.10.3 Unit of Measure

Unit of measure: Each.

1.2.11 Drilling Holes in Existing Dam Apron

Unit Price items listed in the BID SCHEDULE include:

0001AP ARRA - EXISTING DAM APRON, DRILLING OF GROUT HOLES

0002AK EXISTING DAM APRON, DRILLING OF GROUT HOLES

0001AQ ARRA - EXISTING DAM APRON, DRILLING OF VENT HOLES

0002AL EXISTING DAM APRON, DRILLING OF VENT HOLES

1.2.11.1 Payment

a. Payment will be made for costs associated with drilling and redrilling grout holes, containing and disposing of wastewater and waste grout, clean-up of the site, furnishing, handling, transporting and storing of grout materials, and for furnishing all labor and supplies incidental

SECTION 01 22 00.00 10 Page 14 to the work. Unless otherwise specified, no separate payment will be made for any material constituent of the grout, including cement materials placed in the performance of contract grouting. No payment will be made for grout, or the material constituents thereof, wasted due to improper anchorage of grout pipe or connections, or which is wasted due to negligence on the part of the Contractor, nor for grout which is rejected by the Contracting Officer because of improper mixing. Payment will be made at the applicable contract unit prices for materials contained in grout which are wasted, where the wasting is not due to negligence on the part of the Contractor.

b. Payment will be made for costs associated with drilling of exploratory holes. Core boxes shall be provided at no additional cost to the Government.

1.2.11.2 Measurement

Drilling of grout holes and exploratory holes will be measured for payment based upon the linear feet of holes actually drilled in concrete, rock or soil, as shown or as directed by the Contracting Officer, including all intermediate holes at locations where pipe was not installed.

1.2.11.3 Unit of Measure

Unit of measure: Linear Feet.

1.2.12 Grout Place in Existing Dam Apron

Unit Price items listed in the BID SCHEDULE include:

0001AR ARRA - EXISTING DAM APRON, GROUT PLACEMENT

0002AM EXISTING DAM APRON, GROUT PLACEMENT

1.2.12.1 Payment

Payment will be made for costs associated with satisfactorily placing grout in grout holes, which includes full compensation for proportioning the mix, mixing, and injecting the grout as specified or as directed. No separate payment will be made for material constituents of the grout. Payment shall include furnishing and preparing all Portland cement, sand, and admixtures required to meet the mix designs specified in Section 31 73 00 UNDER APRON GROUTING. Payment shall include all pumping equipment necessary to pump the required mixes.

1.2.12.2 Measurement

The operation of placing grout will be measured for payment on the basis of the number of cubic yards of the grout that passes through a meter, including material constituents, satisfactorily placed in drilled grout holes and in filling exploratory holes, or wasted when such wasting is not due to the Contractor's negligence, exclusive of water and regardless of the proportions of the mixes. The measured volume through the meter and the amount wasted shall be agreed upon by the Contractor and the Contracting Officer.

1.2.12.3 Unit of Measure

Unit of measure: Cubic Yards.

SECTION 01 22 00.00 10 Page 15

1.2.13 Demolition of Posts and Cable

Unit Price item listed in the BID SCHEDULE include:

0001AU ARRA - DEMOLITION OF POSTS AND CABLES

1.2.13.1 Payment

Payment for this item shall constitute full compensation for all labor, equipment, material, and supplies to provide demolition of the existing post and cable guardrail on top of the existing abutment wall as specified in Section 02 41 00 DEMOLITION.

1.2.13.2 Measurement

Measurement for post and cable guardrail demolition shall be measured along centerline of the post and cable guardrail to be removed.

1.2.13.3 Unit of Measure

Unit of measure: Linear Feet.

1.2.14 Work Platform Earthwork

Unit Price item listed in the BID SCHEDULE include:

0001AV ARRA - EARTHWORK - WORK PLATFORM BEHIND ABUTMENT WALL

1.2.14.1 Payment

Payment for this item shall constitute full compensation for all labor, equipment, material, and supplies to provide earthwork for the work platform behind the abutment wall on the landward side in accordance with Section 31 00 00 EARTHWORK.

1.2.14.2 Measurement

Measurement shall be based on the actual volume of material excavated and approved by the Contracting Officer, as specified.

1.2.14.3 Unit of Measure

Unit of Measure: Cubic Yards.

1.2.15 Work Platform Aggregate Base Course

Unit Price item listed in the BID SCHEDULE include:

0001AW ARRA - WORK PLATFORM, AGGREGATE BASE COURSE

1.2.15.1 Payment

Payment for this item shall constitute full compensation for all labor, equipment, material, and supply costs to provide and place aggregate fill material as shown on the drawings and as specified in Section 32 11 23 AGGREGATE BASE COURSE. Payment shall also include grading of the subbase in accordance with Section 31 00 00 EARTHWORK and spreading and compacting the aggregate fill material in accordance with Section 32 11 23 AGGREGATE BASE COURSE. It shall also include maintaining the area during

SECTION 01 22 00.00 10 Page 16 construction and providing a final grading at the end of the project.

1.2.15.2 Measurement

Measurement will be made by Contractor performed surveying of the area of installed aggregate base course and calculating the actual installed area for payment, which shall be approved by the Contracting Officer.

1.2.15.3 Unit of Measure

Unit of Measure: Square Yards.

1.2.16 Work Platform Grouted Riprap

Unit Price item listed in the BID SCHEDULE include:

0001AX ARRA - WORK PLATFORM RESTORATION, GROUTED R-3 RIPRAP OVER FS-1

FILTER STONE ON PLATFORM

1.2.16.1 Payment

Payment for this item shall constitute full compensation for all labor, equipment, material, and supply costs to provide and place filter stone, riprap, and grout as shown on the drawings and as specified in Section 35 31 19 STONE SLOPE AND SCOUR PROTECTION. Payment for grouting shall include batching, transporting, mixing, placing, curing, and protecting.

Payment shall also include grading and compaction of the subbase in accordance with Section 31 00 00 EARTHWORK. The Contractor shall place and protect the specified materials to the lines and grades shown and as specified.

1.2.16.2 Measurement

Measurement will be made by Contractor performed surveying of the area of installed grouted riprap for each type and calculating the actual installed area for payment, which shall be approved by the Contracting Officer.

1.2.16.3 Unit of Measure

Unit of Measure: Square Yards.

1.2.17 Work Platform Trench Drain

Unit Price item listed in the BID SCHEDULE include:

0001AY ARRA - WORK PLATFORM RESTORATION, TRENCH DRAIN

1.2.17.1 Payment

Payment for this item shall constitute full compensation for all labor, equipment, material, and supply costs to provide and place polyethylene trench drain as shown on the drawings and as specified in Section 31 00 00 EARTHWORK. Payment shall include trench excavation, compaction of the subbase, installation and compaction of bedding material, and backfilling around the pipe.

1.2.17.2 Measurement

Measurement for the trench drain installation shall be measured along

SECTION 01 22 00.00 10 Page 17 centerline of the pipe.

1.2.17.3 Unit of Measure

Unit of Measure: Linear Feet.

1.2.18 Non-contaminated Material Excavation

Unit Price item listed in the BID SCHEDULE include:

0001AZ ARRA - NON-CONTAMINATED MATERIAL, TEMPORARY STORAGE

1.2.18.1 Payment

Payment for this item shall constitute full compensation for all labor, equipment, material, and supply costs to excavate the site to the lines and grades shown on the drawings and as specified in Section 35 20 23 DREDGING, or as specified in other sections of these specifications as incidental to construction of the rock anchors, micropiles, or combination wall, and temporary storage onsite in areas approved by the Contracting Officer.

Separate payment for disposal of the material will be made as specified for Non-contaminated Material Disposal.

1.2.18.2 Measurement

The volume of excavation will be determined by before and after surveys of the excavated area and the volume determined using the end area method, which shall be approved by the Contracting Officer.

1.2.18.3 Unit of Measure

Unit of Measure: Cubic Yards.

1.2.19 Contaminated Material Excavation

Unit Price item listed in the BID SCHEDULE include:

0001BA ARRA - CONTAMINATED MATERIAL, TEMPORARY STORAGE AND OFFSITE

DISPOSAL

1.2.19.1 Payment

Payment for this item shall constitute full compensation for all labor, equipment, material, and supply costs to excavate the site to the lines and grades shown on the drawings and as specified in Section 35 20 23 DREDGING, or as specified in other sections of these specifications as incidental to construction of the rock anchors, micropiles, or combination wall, load excavated soils and demolition debris onto trucks, haul the material to an area onsite for temporary storage, offsite disposal at a properly permitted disposal facility, and to perform all required sampling and testing on the material as specified in Section 01 35 45.00 10 CHEMICAL DATA QUALITY CONTROL and Section 02 61 13 EXCAVATION AND HANDLING OF CONTAMINATED

MATERIAL.

1.2.19.2 Measurement

Measurement will be determined by the actual volume of contaminated materials stored onsite and disposed offsite, and will be determined by surveys of the stockpiled materials, which shall be approved by the

SECTION 01 22 00.00 10 Page 18

Contracting Officer.

1.2.19.3 Unit of Measure

Unit of Measure: Cubic Yards.

1.2.20 Drilling Holes for Micropiles

Unit Price items listed in the BID SCHEDULE include:

0001BC ARRA - DRILLING HOLES IN CONCRETE FOR 7-INCH DIAMETER MICROPILES

0001BD ARRA - DRILLING HOLES IN SOIL FOR 7-INCH DIAMETER MICROPILES

0001BE ARRA - DRILLING HOLES IN ROCK FOR 7-INCH DIAMETER MICROPILES

1.2.20.1 Payment

Payment will be made for costs associated with drilling holes in concrete, soil, and rock for micropiles in accordance with Section 31 63 33 MICROPILES, including special provisions (e.g., temporary casing or excavation support) to advance landside pile holes to top of abutment step shown on the drawings. Payment for this item shall also include costs for disposal of cored material; performing measurements for payment; all advanced planning and engineering; and all other incidental costs in connection with these aspects of the work under this contract.

1.2.20.2 Measurement

Drilling holes in concrete, soil, and rock for micropiles will be measured for payment to the nearest foot of each type of material encountered, based upon the linear feet of hole actually drilled in concrete, soil, and rock in accordance with the specifications.

1.2.20.3 Unit of Measure

Unit of measure: Linear Feet.

1.2.21 Pregrouting Holes for Micropiles

Unit Price item listed in the BID SCHEDULE include:

0001BF ARRA - PREGROUTING HOLES (ROCK SECTION) FOR MICROPILES

1.2.21.1 Payment

Payment will be made for costs associated with pregrouting holes for micropiles prior to watertightness testing in accordance with Section

31 63 33 MICROPILES.

1.2.21.2 Measurement

Pregrouting holes for micropiles will be measured for payment based upon the number of 94-pound bags of cement that were actually injected into the anchor holes as specified.

1.2.21.3 Unit of Measure

Unit of measure: Bags.

SECTION 01 22 00.00 10 Page 19

1.2.22 Redrilling Grouted Holes for Watertightness Testing for Micropiles

Unit Price item listed in the BID SCHEDULE include:

0001BG ARRA - REDRILLING GROUTED HOLES FOR WATERTIGHTNESS TESTING FOR

7-INCH DIAMETER MICROPILES

1.2.22.1 Payment

Payment will be made for costs associated with redrilling grouted holes for watertightness testing for micropiles in accordance with Section 31 63 33

MICROPILES.

1.2.22.2 Measurement

Redrilling grouted holes for watertightness testing for micropiles will be measured for payment to the nearest foot, based upon the linear feet of hole actually drilled in grout in accordance with the specifications.

1.2.22.3 Unit of Measure

Unit of measure: Linear Feet.

1.2.23 Watertightness Testing for Micropiles

Unit Price item listed in the BID SCHEDULE include:

0001BH ARRA - WATERTIGHTNESS TESTING FOR 7-INCH DIAMETER MICROPILES

1.2.23.1 Payment

Payment will be made for costs associated with performing watertightness testing for micropiles which are accepted in accordance with Section

31 63 33 MICROPILES.

1.2.23.2 Measurement

Watertightness testing will be measured based upon the actual number of tests performed.

1.2.23.3 Unit of Measure

Unit of measure: Each.

1.2.24 Micropiles

Unit Price items listed in the BID SCHEDULE include:

0001BJ ARRA - 7-INCH DIAMETER MICROPILES AT LANDSIDE

0001BK ARRA - 7-INCH DIAMETER MICROPILES AT RIVERSIDE

1.2.24.1 Payment

Payment will be made for all costs associated with furnishing and installing micropiles complete in accordance with Section 31 63 33 MICROPILES and as shown on the drawings. Payment shall also include the cost of all materials and labor for producing and installing the final grouting of the micropiles including, but not limited to, cement, water, and admixtures. Payment shall also include all costs for labor and

SECTION 01 22 00.00 10 Page 20 equipment to pull the temporary casing and remove it from Government Property. Payment shall not include work of any nature for efforts to prevent the soil in the drilled hole from collapsing around the micropile as the temporary casing is removed. No payment will be made for micropiles which do not meet the acceptance criteria.

1.2.24.2 Measurement

Micropiles will be measured for payment based upon the actual number of micropiles installed in accordance with the specifications.

1.2.24.3 Unit of Measure

Unit of measure: Each.

1.2.25 Abandonment of Holes for Micropiles

Unit Price items listed in the BID SCHEDULE include:

0001BL ARRA - ABANDONMENT OF HOLES FOR MICROPILES AT LANDSIDE

0001BM ARRA - ABANDONMENT OF HOLES FOR MICROPILES AT RIVERSIDE

1.2.25.1 Payment

Payment for the abandonment of drilled holes will include all costs for abandoning the hole and backfilling the hole with grout as specified in Section 31 63 33 MICROPILES. Payment shall constitute full compensation for all plant, labor, equipment, material, and incidentals necessary to complete the work.

1.2.25.2 Measurement

Measurement for abandonment of drilled holes will be based upon the actual number of holes abandoned.

1.2.25.3 Unit of Measure

Unit of measure: Each.

1.2.26 Clean Out Existing Weep Holes Through Abutment Wall

Unit Price item listed in the BID SCHEDULE include:

0001BN ARRA - CLEAN OUT EXISTING WEEP HOLES THROUGH ABUTMENT WALL

1.2.26.1 Payment

Payment for this item shall constitute full compensation for all labor, equipment, material, and supply costs to remove debris and sediment buildup from weep holes in the abutment wall, as shown on the plans. The exact number of weep holes has not been confirmed; however, it should be anticipated that a minimum of four weep holes will have to be cleaned out.

1.2.26.2 Measurement

Measurement for cleaning weep holes will be based upon the actual number of weep holes cleaned.

SECTION 01 22 00.00 10 Page 21

1.2.26.3 Unit of Measure

Unit of measure: Each.

1.2.27 Drill New 4-Inch Diameter Weep Holes Through Abutment Wall

Unit Price item listed in the BID SCHEDULE include:

0001BP ARRA - DRILL NEW 4-INCH DIAMETER WEEP HOLES THROUGH ABUTMENT

WALL

1.2.27.1 Payment

Payment for this item shall constitute full compensation for all labor, equipment, material, and supply costs to drill new weep holes through the abutment wall, as shown on the plans or as directed by the Contracting Officer.

1.2.27.2 Measurement

Measurement for drilling weep holes through the abutment wall will be based upon the actual number of holes drilled and accepted.

1.2.27.3 Unit of Measure

Unit of measure: Each.

1.2.28 Abutment Combination Wall Sheet, Pipe, and End Piles

Unit Price items listed in the BID SCHEDULE include:

0001BQ ARRA - ABUTMENT COMBINATION WALL, 48-INCH DIAMETER BY 1/2-INCH

THICK PIPE PILE/CASING, TOP EL. 695.0 (K1 TO K9)

0001BR ARRA - ABUTMENT COMBINATION WALL, 48-INCH DIAMETER BY 1/2-INCH

THICK PIPE PILE/CASING, TOP EL. 700.0 (K10 TO K24)

0001BS ARRA - ABUTMENT COMBINATION WALL, PZC 18 METAL SHEET PILING,

TOP EL. 695.0 (K1 TO K9)

0001BT ARRA - ABUTMENT COMBINATION WALL, PZC 18 METAL SHEET PILING,

TOP EL. 700.0 (K10 TO K24)

0001BU ARRA - ABUTMENT COMBINATION WALL, HP12X53 END PILE

1.2.28.1 Payment

Payment for these items shall include all material installations necessary for construction of the new abutment combination wall piling adjacent to the existing abutment wall. All materials shall be placed in accordance with Section 31 62 16.13 METAL SHEET PILING AND WALL TERMINATION COLUMNS, Section 31 62 23.13 SOCKETED PIPE PILES, and applicable specifications.

Payment shall constitute full compensation for all labor, equipment, tools, and supplies, for the following:

a. Performing incremental pre-excavation of existing riverbed alluvium, derrick stone, graded stone, and any obstructions that would interfere with barge access or installation of these abutment combination wall components as specified in Section 35 20 23 DREDGING. Including removal, staging, and reinstallation or disposal of all materials as specified in Section 35 20 23 DREDGING.

b. Furnishing and installing all pipe piles, including all associated

SECTION 01 22 00.00 10 Page 22 driving, pulling, redriving, and testing as specified in these specifications and as shown on the drawings. Payment shall include removal of overburden and cleaning of the piles after completion of pipe pile driving and rock socket construction to accommodate king pile installation and concrete placement.

c. Furnishing and installing all metal sheet piles, including all associated driving, pulling, redriving, and testing as specified in these specifications and as shown on the drawings.

d. Furnishing and installing end piles (termination columns), including all associated driving, pulling, redriving, and testing as specified in these specifications and as shown on the drawings.

e. Furnishing and operating all driving equipment, including hammers, guide templates, chisels (for obstructions), and pile driving accessories.

f. Furnishing and installing obstruction-free riverbed alluvium as specified in Section 35 20 23 DREDGING or imported aggregate base course material as specified in Section 32 11 23 AGGREGATE BASE COURSE.

1.2.28.2 Measurement

Measurement of new abutment combination wall pipe piles, sheet piles, and end piles for payment shall be based on the actual length of permanent piling in-place from the tip elevation to the final permanent cutoff elevation to the nearest linear foot. No separate payment will be made for cutoff or splicing of permanent piling. All measures shall be approved by the Contracting Officer.

1.2.28.3 Unit of Measure

Unit of measure: Linear Feet.

1.2.29 Abutment Combination Wall King Piles

Unit Price items listed in the BID SCHEDULE include:

0001BV ARRA - ABUTMENT COMBINATION WALL, W33X263 KING PILE, TIP EL.

635.0 (PILES K1 TO K6 AND K19 TO K24)

0001BW ARRA - ABUTMENT COMBINATION WALL, STIFFENED W33x263 KING PILE, TIP EL. 635.0 (PILES K7 TO K9 AND K14 TO K18)

0001BX ARRA - ABUTMENT COMBINATION WALL, STIFFENED W33x263 KING PILE, TIP EL. 631.0 (PILES K10 TO K13)

1.2.29.1 Payment

Payment shall constitute full compensation for all labor, equipment, tools, materials, and supplies for furnishing and installing the king piles, both stiffened and unstiffened, in the abutment combination wall as shown on the drawings, in accordance with Section 31 62 23.13 SOCKETED PIPE PILES, and as follows:

a. Furnishing all king pile materials, including reinforcing beams, web stiffeners, and flange plates.

b. Fabricating all king piles into single units, including welding of web stiffeners and flange plates to the reinforcing beams, as shown on the

SECTION 01 22 00.00 10 Page 23 drawings. Fabrication of king piles shall be in accordance with Section 05 50 14 STRUCTURAL METAL FABRICATIONS and Section 05 50 15

CIVIL WORKS FABRICATIONS.

c. Installing all king piles, including all associated driving, pulling, redriving, and testing as specified and as shown on the drawings.

d. Furnishing and operating all driving equipment, including hammers, guide templates, chisels (for obstructions), and driving accessories.

1.2.29.2 Measurement

Measurement of new abutment combination wall king piles for payment shall be based on the actual number and type of king pile units, including reinforcing beams, web stiffeners, and flange plates, fabricated, furnished, and installed by the Contractor, as approved by the Contracting Officer. All measures shall be approved by the Contracting Officer.

1.2.29.3 Unit of Measure

Unit of measure: Each.

1.2.30 Abutment Combination Wall Rock Sockets

Unit Price item listed in the BID SCHEDULE include:

0001BY ARRA - ABUTMENT COMBINATION WALL, 42-INCH DIAMETER ROCK SOCKET

1.2.30.1 Payment

Payment shall constitute full compensation for all labor, equipment, tools, and supplies for drilling of rock sockets, as shown on the drawings and as specified in Section 31 62 23.13 SOCKETED PIPE PILES, and any necessary testing and inspection associated with rock sockets. Payment shall include cleaning the bottoms of the rock sockets for subsequent concrete placement.

1.2.30.2 Measurement

Measurement of rock sockets for payment shall be based on the actual length of rock socket drilled into bedrock to the nearest linear foot.

1.2.30.3 Unit of Measure

Unit of measure: Linear Feet.

1.2.31 Abutment Combination Wall Concrete Infill and Cap/Slab

Unit Price items listed in the BID SCHEDULE include:

0001BZ ARRA - ABUTMENT COMBINATION WALL, CONCRETE FOR SOCKETED PIPE

PILES

0002CA ARRA - ABUTMENT COMBINATION WALL, REINFORCED CONCRETE CAP/SLAB

1.2.31.1 Payment

Payment for these items shall include all new concrete work to accommodate construction of the new abutment combination wall adjacent to the existing abutment wall in accordance with Section 03 31 01.00 10 CONCRETE AND OTHER CONCRETE SECTIONS and Section 03 37 26 CONCRETE FOR SOCKETED PIPE PILES.

SECTION 01 22 00.00 10 Page 24

New concrete and reinforcing shall be placed in accordance with the applicable specifications. Payment shall constitute full compensation for all labor, equipment, tools, and supplies, for the following:

a. Preparation of the subgrade area to prescribed elevation range between combination wall and abutment wall.

b. Preparation and protection of all existing concrete surfaces for placement of new concrete.

c. Furnishing and installing all concrete reinforcing, dowels, and accessories, including drilling and grouting of dowels.

d. Furnishing and placing new concrete, including formwork, finishing, curing and protection, and other necessary work to complete concrete placement as shown.

e. Placement of concrete for socketed pipe piles shall be in accordance with Section 03 37…