W9128F24B0018 Oahe Stabilize Upstream Spillway Channel Banks Specs 2of3.pdf

SPECIFICATIONS

(For Construction Contract)

Solicitation Number W9128F24B0018

Stabilize Upstream Spillway Channel Banks

Oahe Dam, SD

August 2024

US Army Corps of Engineers Omaha District

This page was intentionally left blank for duplex printing.

Stabilize Upstream Spillway Channel Banks - Oahe Dam SD OA00114

PROJECT TABLE OF CONTENTS

DI VI SI ON 01 - GENERAL REQUI REMENTS

01 00 10 SUMMARY OF WORK

01 12 00 CONSTRUCTION GENERAL

01 22 00 MEASUREMENT AND PAYMENT

01 30 00.24 OTHER ADMINISTRATIVE AND SPECIAL REQUIREMENTS

01 32 01.00 10 PROJECT SCHEDULE

01 33 00 SUBMITTAL PROCEDURES

01 35 26 GOVERNMENTAL SAFETY REQUIREMENTS

01 41 26.01 24 (SOUTH DAKOTA) NPDES PERMIT REQUIREMENTS FOR STORM WATER

DISCHARGES FROM CONSTRUCTION SITES

01 45 00 QUALITY CONTROL

01 45 00.15 10 RESIDENT MANAGEMENT SYSTEM CONTRACTOR MODE (RMS CM)

01 57 20.00 10 ENVIRONMENTAL PROTECTION

01 57 23 TEMPORARY STORM WATER POLLUTION CONTROL

01 78 39.00 24 AS-BUILT DRAWINGS

DI VI SI ON 31 - EARTHWORK

31 00 00 EARTHWORK

31 05 22 GEOTEXTILE FOR RIPRAP PROTECTION

31 05 23 RIPRAP

DI VI SI ON 32 - EXTERI OR I MPROVEMENTS

32 92 19 SEEDING

-- End of Project Table of Contents --

PROJECT TABLE OF CONTENTS Page 1

SECTION TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 00 10

SUMMARY OF WORK

PART 1 SUMMARY OF WORK

1.1 DEFINITIONS

1.1.1 Upstream Spillway Channel Cleanout

PART 2 NOT USED

PART 3 NOT USED

-- End of Section Table of Contents --

SECTION 01 00 10 Page 1

SECTION 01 00 10

SUMMARY OF WORK

PART 1 SUMMARY OF WORK

1.1 DEFINITIONS

1.1.1 Upstream Spillway Channel Cleanout

The work under this contract includes the regrading of the upstream spillway channel sideslopes to a uniform 3H:1V grade beginning at the Spillway Gate Control Structure (STA 26+00) and extending approximately 1150 feet (STA 14+50) on the north bank and 1450 feet (STA 11+50) on the south bank upstream towards the reservoir. After regrading, riprap slope protection will be placed on the slopes to the elevations shown on the drawings. Above the riprap the slope will be covered with topsoil and seeded. 17,500 Tons of Riprap will be Government furnished and the remaining Riprap will be supplied by the contractor.

PART 2 NOT USED

PART 3 NOT USED

-- End of Section --

SECTION 01 00 10 Page 2

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 12 00

CONSTRUCTION GENERAL

PART 1 GENERAL

1.1 SCOPE

1.2 CONSTRUCTION RIGHT-OF-WAY

1.3 PROTECTION OF EXISTING FACILITIES AND WORKS

1.4 CARE OF WATER

1.5 Project Survey and Layout

1.6 DISPOSITION OF CONSTRUCTION FACILITIES

1.7 ACCESS ROADS AND HAUL ROADS

1.7.1 Access Roads

1.7.2 Joint Use of Transportation Facilities

1.8 PUBLIC ROADS

1.8.1 Lane Closure

1.8.2 Traffic Control Devices

1.8.3 Temporary Traffic Control (TTC)

1.8.4 Operations

1.8.4.1 Flaggers

1.8.5 Road Closure

1.8.6 State and Federal Highways

1.8.7 State and Local Public Roads

1.9 COOPERATION WITH OTHER CONTRACTORS

1.10 ORDER OF WORK

1.11 COORDINATION AND OUTAGES

1.12 SUBMITTALS

1.13 WARRANTY OF CONSTRUCTION (MAR 1994)

1.14 TELEPHONE/INTERNET

1.15 PORTABLE TOILETS

1.16 FEDERAL HOLIDAYS AND WORKING HOURS

PART 2 NOT USED

PART 3 NOT USED

SECTION 01 12 00 Page 1

SECTION 01 12 00

CONSTRUCTION GENERAL

PART 1 GENERAL

1.1 SCOPE

The work covered in this section is outlined as a statement of construction requirements common to all the work. Specific requirements for materials and installations are provided under the Technical Sections herewith. No claims for extras shall be made on account of items presumed to have been omitted from this section.

1.2 CONSTRUCTION RIGHT-OF-WAY

The Contractor will be assigned working areas or working right-of-way limits for use in the prosecution of work under this contract, subject to FAR clause 52.236-10 entitled "Operations and Storage Areas."

1.3 PROTECTION OF EXISTING FACILITIES AND WORKS

The Contractor shall be responsible for the protection of the work area from damage and upon completion of the work shall leave existing works in a condition equal to that which existed when the work started. All work, storage of materials, and construction plant shall be kept within the limits of the areas assigned. Prior to construction operations, the Contractor shall confer with the Contracting Officer's representative to determine the proximity of any possible under-ground obstructions, pipe or equipment which could be damaged as a result of construction operations.

Existing utility lines that are shown on the drawings or the locations are otherwise made known to the Contractor shall be protected from damage, and if damaged, shall be repaired by the Contractor at no additional expense to the Government. In the event that the Contractor damages any existing utility lines that are not shown or the locations of which have not been made known to the Contractor, the Contractor shall immediately notify the Contracting Officer. The Contracting Officer will review the information and discuss with the Contractor how to proceed. The Contractor will be responsible for the protection of structures from any structural damage during the construction operations. Roads and surfaces shall be protected from damage by the work or if damaged shall be repaired with equal materials at no additional expense to the Government. At all times the plant and work areas shall be kept in a condition conducive to safety of workmen and the public and neat in appearance. Waste or surplus materials shall not be allowed to accumulate in the construction areas.

1.4 CARE OF WATER

Full responsibility for care of water shall be borne by the Contractor until completion of work under this contract. The Contractor shall provide the materials and equipment and perform all work necessary to facilitate construction and to protect the work from damage by water. The Contractor shall make the needed investigations and determinations of conditions, both existing and anticipated concerning care of water. Plans for care of water are subject to approval by the Contracting Officer prior to construction. Facilities shall be removed upon completion of the

SECTION 01 12 00 Page 2 work.

1.5 Project Survey and Layout

In addition to the requirements of FAR 52.236-17 Layout of Work, the Contractor shall provide a licensed land surveyor to check initial project control, and to provide and set hubs for project construction. The Contractor shall use (and reference in all as-built data) project stationing as described on the contract drawings. In addition, a licensed land surveyor shall provide final project embankment survey (i.e. to include major breakpoints, riverward toe, profile, top of levee at riverward/landward and landward toe) prior to placement of surfacing for government review and approval. If applicable a licensed land surveyor shall also provide, set and verify as built condition of major flood control structures/features; i.e. flood wall control. These surveys shall provide and verify both horizontal and vertical project control. This survey shall be used for final as-built embankment profile and cross section, and major flood control structure records, and recorded on the as-built condition in accordance with Section, As-Built Drawings.

The Contractor may utilize their own quality control personnel to provide interim surveys for quantity determination for payment in accordance with paragraph entitled Quantity Surveys (Apr 1984).

1.6 DISPOSITION OF CONSTRUCTION FACILITIES

All buildings and facilities constructed by the Contractor shall be maintained in a satisfactory condition with strict observance of the rules of sanitation, safety and order as may be established by the Contracting Officer. Prior to final payment under the contract, all buildings and facilities constructed by the Contractor for the Contractor's use shall be removed from the site by the Contractor.

1.7 ACCESS ROADS AND HAUL ROADS

1.7.1 Access Roads

Access roads as required for the prosecution of the work shall be maintained (including sprinkling for dust control, safety personnel, and traffic control) within the work areas assigned to the Contractor.

Consideration shall be given to the avoidance of interference with others, safety and frequency of traffic, subject to review and approval prior to construction. Access road areas shall be restored to their original or suitable condition upon completion of this contract. The Contractor shall be responsible for repair of damage to existing roads caused by the Contractor's operation.

1.7.2 Joint Use of Transportation Facilities

The Contractor may use jointly with Contractors and others, existing access and haul roads constructed by the Government or by others. Unless otherwise specifically authorized in writing, the Contractor will not be granted exclusive use of any access or haul road whether it be an existing road or one constructed by the Contractor. However, the use by others of roads constructed by or assigned to the Contractor primarily for the Contractor's use will be limited by the Contracting Officer to the minimum considered consistent with efficient prosecution of the work under this and other contracts in force. Maintenance of jointly used facilities

SECTION 01 12 00 Page 3 shall be shared in proportion to use. In the event of a disagreement between this Contractor and others as to the use of any road, the decision of the Contracting Officer shall be final. The Contractor shall not obstruct any existing road on the land controlled by the Government.

1.8 PUBLIC ROADS

1.8.1 Lane Closure

One lane of the road must remain open at all times. The Contractor shall determine an appropriate method for the specific Temporary Traffic Control (TTC) zone one-lane, two-ways traffic control method in accordance with MUTCD requirements. The Contractor shall furnish all necessary personnel and traffic control devices, perform routine day and night inspections of TTC elements, and maintain all furnished traffic control devices to provide safety for motorists, bicyclists, pedestrians, workers, enforcement/emergency officials, and equipment as required by MUTCD The Contractor is required to coordinate the road/lane closure with the SDDOT and USACE.

1.8.2 Traffic Control Devices

All traffic control devices (signs, arrow boards, barricades, lighting etc) by the Contractor, must conform with the U.S. Department of Transportation, Federal Highway Administration, Manual on Uniform Traffic Control Devices.

1.8.3 Temporary Traffic Control (TTC)

The Contractor shall be responsible for the safe control of traffic on all haul and access roads used primarily for the work under these specifications and at their crossings with roads used by others. The Contractor shall, at the Contractor's own expense, furnish all personnel, and traffic control devices necessary for the safe movement of all road users through or around Temporary Traffic Control zone. Traffic control plans, including a listing of equipment and its employment, shall be submitted for review and approval prior to construction.

1.8.4 Operations

When operations are being conducted near a U. S. or State Highway or when construction equipment is being used on or adjacent to such highway, the Contractor shall furnish all necessary traffic control devices and personnel to provide safe and effective movement of all road users through or around Temporary Traffic Control zone as required by MUTCD All required state and/or local permits shall be obtained at the Contractor's expense in advance and shall be provided to the COR. The highways and streets shall be kept open at all times.

1.8.4.1 Flaggers

The Contractor shall provide flaggers when:

a) Construction equipment and/or vehicles are blocking the roadway making it difficult for vehicles to pass or see or due to terrain.

b) One-way traffic is required thru a construction zone.

c) Trucks are pulling onto and/or off of a roadway or operating at a reduced speed causing a hazardous situation for drivers.

d) Anytime the Contractor feels that road users are at risk due to Construction activity.

SECTION 01 12 00 Page 4

Flagger shall have all qualifications, high-visibility safety apparel, and appropriate hand-signaling devices in accordance with MUTCD requirements.

The flagger shall be properly trained as required by the state. The Contractor shall furnish all necessary traffic control devices to establish appropriate TTC zone when the Flagger Control is utilized.

1.8.5 Road Closure

At each location designated by the Contracting Officer and where safe operation requires the closing of roads, streets or other travel arteries leading to the work under this contract, the Contractor shall furnish all appropriate traffic control devices to provide safety for motorists, bicyclists, pedestrians, workers, enforcement/emergency officials, and equipment during construction as required by MUTCD. Arrangements for closure of roads, streets or other travel arteries shall be made by the Contractor with local State, County or City officials. The Contractor shall notify the appropriate official in writing at least ten (10) days in advance of the date desired to close a road to traffic and shall furnish a copy of the agreement and approved Temporary Traffic Control plans to the Contracting Officer prior to closure.

1.8.6 State and Federal Highways

Where the Contractor hauls across or on State or Federal highways, the Contractor shall enter into all agreements with the State Highway Commission and shall comply with any restrictions they may impose relative to load limits, care of traffic and cleanup. Such agreements shall clearly relieve the Government of any responsibility for damages resulting from hauling across or on State highways. Copies of such agreements shall be furnished to the Contracting Officer before the Contractor begins hauling on these highways.

1.8.7 State and Local Public Roads

(a) Load Limits:

The South Dakota Department of Transportation and local County Road Commissions restrict the load weights of haul vehicles using highways and county roads during the spring thaw period. The load restrictions are usually imposed from 1 April through June depending on actual weather conditions.

(b) Hauling Regulations:

Prior to start of hauling operations on public roads, the Contractor shall furnish evidence to the Contracting Officer that an agreement has been consummated with State and County officials on the use of public roads and bridges. Such agreements shall clearly relieve the Government of any responsibility for damage resulting from hauling across or on these roads.

1.9 COOPERATION WITH OTHER CONTRACTORS

The Contractor shall cooperate and coordinate work with that of the State and others (public and private) working in the area during the life of this contract. The Contractor shall coordinate work with others to avoid undue interference and shall conduct operations, other than approved required access, within the limits of the assigned construction area or construction right-of-way limits. The Contractor shall cooperate with

SECTION 01 12 00 Page 5 others as necessary in the interest of timely completion of all work and in the event of disagreement the decision of the Contracting Officer shall be final.

1.10 ORDER OF WORK

The sequence of operations shall be maintained so that the maximum amount of work may be done under favorable working conditions in accordance with the completion time set forth in Section 00 73 00 SPECIAL CONTRACT REQUIREMENTS, paragraph: Commencement, Prosecution, and Completion of Work. The Contractor shall submit for approval, within 15 days after receipt of notice to proceed a narrative description of the proposed method s of operation.

1.11 COORDINATION AND OUTAGES

The Contractor's employees shall not open, close or tamper with switches, valves or control devices for existing installed equipment. Only Government operating personnel will be authorized to open or close existing switches, valves and control devices to enable the Contractor to make connections or modifications to existing equipment. Work shall be coordinated and scheduled to reduce the "Down" time of operating equipment or systems to a minimum.

1.12 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. The following shall be submitted in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

SD-01 Preconstruction Submittals

Proposed Methods of Operation; G-AO

Construction Right-of-Way

(Right-of-Way Agreements)

State and Federal Highways

(Agreements for hauling on highways)

State and Local Public Roads

(Agreements for hauling on roads)

Temporary Traffic Control (TTC); G, AO

SD-02 Shop Drawings

Care of Water; G-AO

SD-11 Closeout Submittals

SECTION 01 12 00 Page 6

Warranty of Construction

(List of warranties with copy of each)

1.13 WARRANTY OF CONSTRUCTION (MAR 1994)

(a) In addition to any other warranties in this contract, the Contractor warrants, except as provided in paragraph (i) of this clause, that work performed under this contract conforms to the contract requirements and is free of any defect in equipment, material, or design furnished, or workmanship performed by the Contractor or any subcontractor or supplier at any tier.

(b) This warranty shall continue for a period of 1 year from the date of final acceptance of the work. If the Government takes possession of any part of the work before final acceptance, this warranty shall continue for a period of 1 year from the date the Government takes possession.

(c) The Contractor shall remedy at the Contractor's expense any failure to conform, or any defect. In addition, the Contractor shall remedy at the Contractor's expense any damage to Government-owned or controlled real or personal property, when that damage is the result of--

(1) The Contractor's failure to conform to contract requirements; or

(2) Any defect of equipment, material, workmanship, or design furnished.

(d) The Contractor shall restore any work damaged in fulfilling the terms and conditions of this clause. The Contractor's warranty with respect to work repaired or replaced will run for 1 year from the date of repair or replacement.

(e) The Contracting Officer shall notify the Contractor, in writing, within a reasonable time after the discovery of any failure, defect, or damage.

(f) If the Contractor fails to remedy any failure, defect, or damage within a reasonable time after receipt of notice, the Government shall have the right to replace, repair, or otherwise remedy the failure, defect, or damage at the Contractor's expense.

(g) With respect to all warranties, express or implied, from subcontractors, manufacturers, or suppliers for work performed and materials furnished under this contract, the Contractor shall--

(1) Obtain all warranties that would be given in normal commercial practice;

(2) Require all warranties to be executed, in writing, for the benefit of the Government, if directed by the Contracting Officer; and

(3) Enforce all warranties for the benefit of the Government, if directed by the Contracting Officer.

(h) In the event the Contractor's warranty under paragraph (b) of this clause has expired, the Government may bring suit at its expense to enforce a subcontractor's, manufacturer's, or supplier's warranty.

SECTION 01 12 00 Page 7

(i) Unless a defect is caused by the negligence of the Contractor or subcontractor or supplier at any tier, the Contractor shall not be liable for the repair of any defects of material or design furnished by the Government nor for the repair of any damage that results from any defect in Government-furnished material or design.

(j) This warranty shall not limit the Government's rights under the Inspection and Acceptance clause of this contract with respect to latent defects, gross mistakes, or fraud. (FAR 52.246-21)

1.14 TELEPHONE/INTERNET

The Contractor is responsible for arranging telephone/Internet service for the Contractor's trailer through the local telephone company.

1.15 PORTABLE TOILETS

Toilet facilities will not be available for Contractor's use. The Contractor shall provide and maintain portable toilets for use by the Contractor's staff and Government staff. Toilet(s) shall be placed at the location directed by the Contracting Officer. To prevent overturning by high winds, all portable toilets shall be anchored down.

1.16 FEDERAL HOLIDAYS AND WORKING HOURS

The Contractor will have access to the facility for work during normal plant business hours from 0700 to 1700 hrs Monday through Friday, excluding any federally recognized holidays or observance days. The Contractor shall plan all work accordingly. These hours will be strictly adhered to unless the Government determines work outside this time is beneficial to the Government or a bilateral modification for extended working hours is executed.

The following Federal legal holidays are observed by this installation:

New Year's Day 1 January Martin Luther King's Birthday Third Monday in January President's Day Third Monday in February Memorial Day Last Monday in May Juneteenth 19 June Independence Day 4 July Labor Day First Monday in September Columbus Day Second Monday in October Veterans Day 11 November Thanksgiving Day Fourth Thursday in November Christmas Day 25 December

If the wage determination has a discrepancy with the above list of observed Federal holidays, then the wage determination takes precedence.

PART 2 NOT USED

PART 3 NOT USED

SECTION 01 12 00 Page 8

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 22 00

MEASUREMENT AND PAYMENT

PART 1 BID ITEM 0001 - MOBILIZATION AND DEMOBILIZATION

1.1 Work Included

1.2 Measurement

1.3 Payment

PART 2 BID ITEM 0002 - DEVELOP AND RESTORE RANDOM FILL BORROW SITE

2.1 BID ITEM 0002A - STRIP TOPSOIL FROM BORROW SITES

2.1.1 Work Included

2.1.2 Measurement

2.1.3 Payment

2.2 BID ITEM 0002B - EXCAVATE RANDOM FILL FOR SPILLWAY CHANNEL SLOPE

REGRADING

2.2.1 Work Included

2.2.2 Measurement

2.2.3 Payment

2.3 BID ITEM 0002C - REPLACE TOPSOIL

2.3.1 Work Included

2.3.2 Measurement

2.3.3 Payment

PART 3 BID ITEM 0003 - TOPSOIL - UPSTREAM SPILLWAY CHANNEL AREA

3.1 Work Included

3.2 Measurement

3.3 Payment

PART 4 BID ITEM 0004 - RANDOM FILL - PLACE, COMPACT, AND GRADE UPSTREAM

SPILLWAY CHANNEL SIDESLOPES - UPSTREAM SPILLWAY CHANNEL AREA

4.1 Work Included

4.2 Measurement

4.3 Payment

PART 5 BID ITEM 0005 - PLACE CONTRACTOR FURNISHED RIPRAP - TYPE A

5.1 Work Included

5.2 Measurement

5.3 Payment

PART 6 BID ITEM 0006 - PLACE GOVERNMENT FURNISHED RIPRAP - TYPE A

6.1 Work Included

6.2 Measurement

6.3 Payment

SECTION 01 22 00 Page 1

PART 7 BID ITEM 0007 - GEOTEXTILE

7.1 Work Included

7.2 Measurement

7.3 Payment

PART 8 BID ITEM 0008 - SEEDING

8.1 Work Included

8.2 Measurement

8.3 Payment

PART 9 BID ITEM 0009 - EROSION CONTROL BLANKET

9.1 Work Included

9.2 Measurement

9.3 Payment

PART 10 BID ITEM 0010 - ALL REMAINING WORK FOR BASIC CONTRACT

10.1 Work Included

10.2 Measurement

10.3 Payment

PART 11 BID ITEM 0011 - EXCAVATE ADDITIONAL RANDOM FILL FROM BORROW AREA

FOR SPILLWAY CHANNEL SLOPE REGRADING

11.1 Work Included

11.2 Measurement

11.3 Payment

PART 12 BID ITEM 0012 - TOPSOIL - UPSTREAM SPILLWAY CHANNEL AREA

12.1 Work Included

12.2 Measurement

12.3 Payment

PART 13 BID ITEM 0013 - COMPACTED FILL FOR GRADING SPILLWAY CHANNEL

SIDESLOPES - UPSTREAM SPILLWAY CHANNEL AREA

13.1 Work Included

13.2 Measurement

13.3 Payment

PART 14 BID ITEM 00014 - PLACE CONTRACTOR FURNISHED RIPRAP - TYPE A

14.1 Work Included

14.2 Measurement

14.3 Payment

PART 15 BID ITEM 0015 - GEOTEXTILE

15.1 Work Included

15.2 Measurement

15.3 Payment

PART 16 BID ITEM 0016 - SEEDING

SECTION 01 22 00 Page 2

16.1 Work Included

16.2 Measurement

16.3 Payment

PART 17 BID ITEM 0017 - EROSION CONTROL BLANKET

17.1 Work Included

17.2 Measurement

17.3 Payment

PART 18 BID ITEM 0018 - ALL REMAINING WORK FOR OPTION 1

18.1 Work Included

18.2 Measurement

18.3 Payment

PART 19 BID ITEM 0019 - EXCAVATE ADDITIONAL RANDOM FILL FROM BORROW AREA

FOR SPILLWAY CHANNEL SLOPE REGRADING

19.1 Work Included

19.2 Measurement

19.3 Payment

PART 20 BID ITEM 0020 - TOPSOIL - UPSTREAM SPILLWAY CHANNEL AREA

20.1 Work Included

20.2 Measurement

20.3 Payment

PART 21 BID ITEM 0021 - COMPACTED FILL FOR GRADING SPILLWAY CHANNEL

SIDESLOPES - UPSTREAM SPILLWAY CHANNEL AREA

21.1 Work Included

21.2 Measurement

21.3 Payment

PART 22 BID ITEM 0022 - PLACE CONTRACTOR FURNISHED RIPRAP - TYPE A

22.1 Work Included

22.2 Measurement

22.3 Payment

PART 23 BID ITEM 0023 - GEOTEXTILE

23.1 Work Included

23.2 Measurement

23.3 Payment

PART 24 BID ITEM 0024 - SEEDING

24.1 Work Included

24.2 Measurement

24.3 Payment

PART 25 BID ITEM 0025 - EROSION CONTROL BLANKET

25.1 Work Included

25.2 Measurement

25.3 Payment

SECTION 01 22 00 Page 3

PART 26 BID ITEM 0026 - ALL REMAINING WORK FOR OPTION 2

26.1 Work Included

26.2 Measurement

26.3 Payment

SECTION 01 22 00 Page 4

SECTION 01 22 00

MEASUREMENT AND PAYMENT

SCOPE

This section covers the methods and procedures which will be used to measure the Contractor's work and to determine payment.

GENERAL

The general outline of the principal features of each item as listed does not in any way limit the responsibility of the Contractor for making a thorough investigation of the Drawings and Specifications to determine the scope of work under the entire Contract. Payment to the Contractor of the amounts based on the quantities of work as measured in accordance with the specified methods of measurement and the prices stipulated in the accepted proposal will constitute complete compensation for all work shown on the Drawings, provided in the specifications or other Contract Documents and all costs of accepting the general risks, liabilities and obligations expressed or implied. Payment under all items shall include, but not necessarily be limited to, compensation for furnishing all supervision, labor, equipment, materials and services (including overhead and profit), as well as performing all work required to accomplish and complete the work specified under each item and all other work required.

LUMP SUM ITEMS

Quantities

The quantities under lump sum items will not be measured except for the purpose of determining reasonable interim payments.

Interim Payments

Interim payments will be made in accordance with the estimated value of work done as determined by the COR or as specified in this section, and in accordance with contract clause for payments.

PARTS 1 THROUGH 10: BASIC CONTRACT - REGRADE SPILLWAY CHANNEL SLOPES AND

PLACE RIPRAP (STA 14+50 THROUGH STA 24+00)

PART 1 BID ITEM 0001 - MOBILIZATION AND DEMOBILIZATION

1.1 Work Included

The work of this item shall include, but not be limited to, all labor, equipment, materials, transportation, and performing all operations in connection with the Contractor's mobilization to, and demobilization from, the project site.

1.2 Measurement

Unit of measure: Lump Sum

SECTION 01 22 00 Page 5

1.3 Payment

Payment will be made for costs associated with mobilization and demobilization, as defined in Special Contract Requirements PAYMENT FOR

MOBILIZATION AND DEMOBILIZATION.

PART 2 BID ITEM 0002 - DEVELOP AND RESTORE RANDOM FILL BORROW SITE

2.1 BID ITEM 0002A - STRIP TOPSOIL FROM BORROW SITES

2.1.1 Work Included

The work includes all material, equipment and labor required for stripping six (6) inches of topsoil from the random fill borrow site identified in the drawings. Topsoil will be stockpiled in a location adjacent to the borrow sites to be approved by the COR.

2.1.2 Measurement

Cubic Yard. The quantity of topsoil shall be determined based on a pre and final survey of the topsoil in place. The surveys shall be at the contractors expense. Measurements will be made to the nearest one tenth (0.1) foot. Volumes shall be determined to the nearest whole cubic yard using the average end area method. Cubic yardage of excavation shall be determined by quantity survey cross sections performed at a spacing not to exceed 50 feet or whenever a change in geometry occurs, whichever is more frequent. The quantity of stripping shall not be measured.

2.1.3 Payment

Applicable unit price times the number of cubic yards of topsoil.

2.2 BID ITEM 0002B - EXCAVATE RANDOM FILL FOR SPILLWAY CHANNEL SLOPE

REGRADING

2.2.1 Work Included

The work includes all material, equipment, and labor required for excavating the required quantity of random fill from the borrow sites identified on the drawings. Work will include hauling random fill borrow from the borrow sites to the spillway channel slope regrading areas.

2.2.2 Measurement

Cubic Yard. The quantity of random fill shall be determined based on a pre and final survey of the borrow site. The surveys shall be at the contractors expense. Measurements will be made to the nearest one tenth (0.1) foot. Volumes shall be determined to the nearest whole cubic yard using the average end area method. Cubic yardage of excavation shall be determined by quantity survey cross sections performed at a spacing not to exceed 50 feet or whenever a change in geometry occurs, whichever is more frequent. The quantity of stripping shall not be measured.

2.2.3 Payment

Applicable unit price times the number of cubic yards of random fill material.

SECTION 01 22 00 Page 6

2.3 BID ITEM 0002C - REPLACE TOPSOIL

2.3.1 Work Included

The work inlcudes all material, equipment, and labor required for replacing stockpiled topsoil after random fill borrow excavations are completed.

2.3.2 Measurement

The quantity of topsoil to be replaced at the borrow sites shall match the quanitity stripped in in BID ITEM 0002A.

2.3.3 Payment

Applicable unit price times the number of cubic yards of topsoil.

PART 3 BID ITEM 0003 - TOPSOIL - UPSTREAM SPILLWAY CHANNEL AREA

3.1 Work Included

The work includes all material, equipment and labor required for placing topsoil in the upstream spillway channel area at the locations shown on the drawings. The Contractor shall be responsible for acquiring all topsoil to be placed in the upstream spillway channel area and governement-supplied riprap restoration areas. The work also includes all material, equipment and labor required to excavate, haul and stockpile materials for use as topsoil.

3.2 Measurement

Per Cubic Yard. The quantity of topsoil shall be determined based on a pre and final survey of the topsoil in place. The surveys shall be at the contractors expense. Measurements will be made to the nearest one tenth (0.1) foot. Volumes shall be determined to the nearest whole cubic yard using the average end area method. Cubic yardage of excavation shall be determined by quantity survey cross sections performed at a spacing not to exceed 50 feet or whenever a change in geometry occurs, whichever is more frequent. The quantity of stripping shall not be measured.

3.3 Payment

Applicable unit price times the number of cubic yards of topsoil. No separate payment will made for stripping.

PART 4 BID ITEM 0004 - RANDOM FILL - PLACE, COMPACT, AND GRADE UPSTREAM

SPILLWAY CHANNEL SIDESLOPES - UPSTREAM SPILLWAY CHANNEL AREA

4.1 Work Included

The work includes all material, equipment and labor used for placement of compacted earth fill for spillway side slopes to the lines and grades shown on the drawings. The work also includes hauling, compaction, and all other necessary operations to place, haul, compact and test all earth fill.

SECTION 01 22 00 Page 7

4.2 Measurement

Cubic Yard. Cubic Yard. The quantity of compacted earth fill shall be determined based on a pre and final survey of the areas where fill placement is required.

The surveys shall be at the contractor's expense. The pre-surveys shall be performed after the clearing, grubbing and stripping operations have been completed. Measurements will be made to the nearest one tenth (0.1) foot.

Volumes shall be determined to the nearest whole cubic yard using the average end area method. Cubic yardage of fill shall be determined by quantity survey cross sections performed at a spacing not to exceed 50 feet or whenever a change in geometry occurs, whichever is more frequent.

4.3 Payment

Applicable unit price times the number of cubic yards of earth material acceptably placed.

PART 5 BID ITEM 0005 - PLACE CONTRACTOR FURNISHED RIPRAP - TYPE A

5.1 Work Included

The work of this item shall include but not be limited to labor, equipment, materials, testing, and performing all operations in connection with furnishing, transporting and placing Type A Riprap as required by the drawings and specifications. Slope grading and excavations are considered to be incidental to the placement of the riprap.

5.2 Measurement

Per Ton. Type A Riprap material will be measured for payment by the number of tons of gravel satisfactorily placed as specified. The riprap material shall be weighed: (1) on public or private scales which have been certified by the State. The Contractor shall furnish the Government Inspector a copy of each printed weigh bill when self printing scales are used, or a copy signed by a public or bonded weigh master as each load is delivered; or (2) gravel material may be weighed on the Contractor-furnished scales under the supervision of the Government Inspector. Each printed weigh bill shall contain the following: date, unit number, time of gross, tare and net weight, name of project, contractor, contract number and signature of bonded weigh master. All gravel material shall be weighed to the nearest 20 pounds and the net weight reduced to the nearest hundredth of a ton.

5.3 Payment

Payment for "Type A RipRap" shall be based on the unit price per ton as indicated on the Bidding Schedule multiplied by the number of tons needed to complete the required work for riprap according to drawings and specifications.

SECTION 01 22 00 Page 8

PART 6 BID ITEM 0006 - PLACE GOVERNMENT FURNISHED RIPRAP - TYPE A

6.1 Work Included

The work of this item shall include but not be limited to labor, equipment, materials, testing, and performing all operations in connection with placing Type A Riprap as required by the drawings and specifications. Slope grading and excavations are considered to be incidental to the placement of the riprap.

6.2 Measurement

Per Ton. Type A Riprap material will be measured for payment by the number of tons of gravel satisfactorily placed as specified. The riprap material shall be weighed: (1) on public or private scales which have been certified by the State. The Contractor shall furnish the Government Inspector a copy of each printed weigh bill when self printing scales are used, or a copy signed by a public or bonded weigh master as each load is delivered; or (2) gravel material may be weighed on the Contractor-furnished scales under the supervision of the Government Inspector. Each printed weigh bill shall contain the following: date, unit number, time of gross, tare and net weight, name of project, contractor, contract number and signature of bonded weigh master. All gravel material shall be weighed to the nearest 20 pounds and the net weight reduced to the nearest hundredth of a ton.

6.3 Payment

Payment for "Type A RipRap" shall be based on the unit price per ton as indicated on the Bidding Schedule multiplied by the number of tons needed to complete the required work for riprap according to drawings and specifications.

PART 7 BID ITEM 0007 - GEOTEXTILE

7.1 Work Included

The work of this item shall include but not be limited to labor, equipment, materials, testing, and performing all operations in connection with furnishing, transporting, and placing geotextile under riprap as required by the drawings and Specification 31 05 22 GEOTEXTILE.

7.2 Measurement

Per Square Yard. Geotextile material will be measured for payment by the number of square yards of geotextile satisfactorily placed as specified.

7.3 Payment

Payment for "Geotextile" shall be based on the unit price per square yard as indicated on the Bidding Schedule multiplied by the number of square yards needed to complete the required work for riprap according to drawings and specifications.

SECTION 01 22 00 Page 9

PART 8 BID ITEM 0008 - SEEDING

8.1 Work Included

The work for this item shall include but not be limited to furnishing all labor, equipment, and material needed for seeding as required by the drawings and Specification 32 92 19 SEEDING. This work shall include placement of erosion control material as require by the specification.

8.2 Measurement

Per Acre. The quantity of seeding shall be determined based on a final survey of the areas where seeding is required. The surveys shall be at the contractors expense. Measurements will be made to the nearest one tenth (0.1) acre.

8.3 Payment

Payment for "Seeding" shall be based on the unit price per acre as indicated on the Bidding Schedule multiplied by the number of acres needed to complete the required work according to drawings and specifications.

PART 9 BID ITEM 0009 - EROSION CONTROL BLANKET

9.1 Work Included

The work of this item shall include but not be limited to labor, equipment, materials, testing, and performing all operations in connection with furnishing, transporting, and placing erosion control blaket as required by the drawings and specifications.

9.2 Measurement

Per Square Yard. Erosion ocntrol blanket will be measure for payment by the number of square yards of erosion control blanket satifactorily placed as specified in the drawings and specifications.

9.3 Payment

Payment for erosion control blanket shall be based on the unit price per square yard as indicated on the Bidding Schedule multiplied by the number of square yards needed to complete the required work for erosion control blanket according to drawings and specifications.

PART 10 BID ITEM 0010 - ALL REMAINING WORK FOR BASIC CONTRACT

10.1 Work Included

The work of this item shall include but not be limited to labor, materials, mobilization, permits, care of water, the work associated and all work incidental to the completion of the required work according to the plans and specifications not covered on the Bidding Schedule in bid items No. 0001 thru No. 0010.

SECTION 01 22 00 Page 10

10.2 Measurement

Lump sum.

10.3 Payment

Payment for this item shall be the lump sum amount as indicated on the Bidding Schedule.

PARTS 11 THROUGH 18: OPTION 1 - REGRADE SPILLWAY CHANNEL SLOPES AND PLACE

RIPRAP (STA 13+00 THROUGH STA 14+50)

PART 11 BID ITEM 0011 - EXCAVATE ADDITIONAL RANDOM FILL FROM BORROW AREA

FOR SPILLWAY CHANNEL SLOPE REGRADING

11.1 Work Included

The work includes all material, equipment, and labor required for excavating the required quantity of random fill from the borrow sites identified on the drawings. Work will include hauling random fill borrow from the borrow sites to the spillway channel slope regrading areas.

11.2 Measurement

Cubic Yard. The quantity of random fill shall be determined based on a pre and final survey of the borrow site. The surveys shall be at the contractors expense. Measurements will be made to the nearest one tenth (0.1) foot. Volumes shall be determined to the nearest whole cubic yard using the average end area method. Cubic yardage of excavation shall be determined by quantity survey cross sections performed at a spacing not to exceed 50 feet or whenever a change in geometry occurs, whichever is more frequent. The quantity of stripping shall not be measured.

11.3 Payment

Applicable unit price times the number of cubic yards of random fill material.

PART 12 BID ITEM 0012 - TOPSOIL - UPSTREAM SPILLWAY CHANNEL AREA

12.1 Work Included

The work includes all material, equipment and labor required for placing topsoil in the upstream spillway channel area at the locations shown on the drawings. The Contractor shall be responsible for acquiring all topsoil to be placed in the upstream spillway channel area. The work also includes all material, equipment and labor required to excavate, haul and stockpile materials for use as topsoil.

12.2 Measurement

Per Cubic Yard. The quantity of topsoil shall be determined based on a pre and final survey of the topsoil in place. The surveys shall be at the contractors expense. Measurements will be made to the nearest one tenth (0.1) foot. Volumes shall be determined to the nearest whole cubic yard using the average end area method. Cubic yardage of excavation shall be determined by quantity survey cross sections performed at a spacing not to exceed 50 feet or whenever a change in geometry occurs, whichever is more frequent. The quantity of stripping shall not be measured.

SECTION 01 22 00 Page 11

12.3 Payment

Applicable unit price times the number of cubic yards of topsoil. No separate payment will made for stripping.

PART 13 BID ITEM 0013 - COMPACTED FILL FOR GRADING SPILLWAY CHANNEL

SIDESLOPES - UPSTREAM SPILLWAY CHANNEL AREA

13.1 Work Included

The work includes all material, equipment and labor used for placement of compacted earth fill for spillway side slopes to the lines and grades shown on the drawings. The work also includes hauling, compaction, laboratory and in-place density tests, and all other necessary operations to place, haul, compact and test all earth fill.

13.2 Measurement

Cubic Yard. Cubic Yard. The quantity of compacted earth fill shall be determined based on a pre and final survey of the areas where fill placement is required.

The surveys shall be at the contractors expense. The pre-surveys shall be performed after the clearing, grubbing and stripping operations have been completed. Measurements will be made to the nearest one tenth (0.1) foot.

Volumes shall be determined to the nearest whole cubic yard using the average end area method. Cubic yardage of fill shall be determined by quantity survey cross sections performed at a spacing not to exceed 50 feet or whenever a change in geometry occurs, whichever is more frequent.

13.3 Payment

Applicable unit price times the number of cubic yards of earth material acceptably placed.

PART 14 BID ITEM 00014 - PLACE CONTRACTOR FURNISHED RIPRAP - TYPE A

14.1 Work Included

The work of this item shall include but not be limited to labor, equipment, materials, testing, and performing all operations in connection with furnishing, transporting and placing Type A Riprap as required by the drawings and specifications. Slope grading and excavations are considered to be incidental to the placement of the riprap.

14.2 Measurement

Per Ton. Type A Riprap material will be measured for payment by the number of tons of gravel satisfactorily placed as specified. The riprap material shall be weighed: (1) on public or private scales which have been certified by the State. The Contractor shall furnish the Government Inspector a copy of each printed weigh bill when self printing scales are used, or a copy signed by a public or bonded weigh master as each load is delivered; or (2) gravel material may be weighed on the Contractor-furnished scales under the supervision of the Government Inspector. Each printed weigh bill shall contain the following: date, unit number, time of gross, tare and net weight, name of project, contractor, contract number and signature of bonded weigh master. All

SECTION 01 22 00 Page 12 gravel material shall be weighed to the nearest 20 pounds and the net weight reduced to the nearest hundredth of a ton.

14.3 Payment

Payment for "Type A RipRap" shall be based on the unit price per ton as indicated on the Bidding Schedule multiplied by the number of tons needed to complete the required work for riprap according to drawings and specifications.

PART 15 BID ITEM 0015 - GEOTEXTILE

15.1 Work Included

The work of this item shall include but not be limited to labor, equipment, materials, testing, and performing all operations in connection with furnishing, transporting, and placing geotextile under riprap as required by the drawings and Specification 31 05 22 GEOTEXTILE.

15.2 Measurement

Per Square Yard. Geotextile material will be measured for payment by the number of square yards of geotextile satisfactorily placed as specified.

15.3 Payment

Payment for "Geotextile" shall be based on the unit price per square yard as indicated on the Bidding Schedule multiplied by the number of square yards needed to complete the required work for riprap according to drawings and specifications.

PART 16 BID ITEM 0016 - SEEDING

16.1 Work Included

The work for this item shall include but not be limited to furnishing all labor, equipment, and material needed for seeding as required by the drawings and Specification 32 92 19 SEEDING. This work shall include placement of erosion control material as require by the specification.

16.2 Measurement

Per Acre. The quantity of seeding shall be determined based on a final survey of the areas where seeding is required. The surveys shall be at the contractors expense. Measurements will be made to the nearest one tenth (0.1) acre.

16.3 Payment

Payment for "Seeding" shall be based on the unit price per acre as indicated on the Bidding Schedule multiplied by the number of acres needed to complete the required work according to drawings and specifications.

PART 17 BID ITEM 0017 - EROSION CONTROL BLANKET

17.1 Work Included

The work of this item shall include but not be limited to labor, equipment, materials, testing, and performing all operations in connection

SECTION 01 22 00 Page 13 with furnishing, transporting, and placing erosion control blaket as required by the drawings and specifications.

17.2 Measurement

Per Square Yard. Erosion ocntrol blanket will be measure for payment by the number of square yards of erosion control blanket satifactorily placed as specified in the drawings and specifications.

17.3 Payment

Payment for erosion control blanket shall be based on the unit price per square yard as indicated on the Bidding Schedule multiplied by the number of square yards needed to complete the required work for erosion control blanket according to drawings and specifications.

PART 18 BID ITEM 0018 - ALL REMAINING WORK FOR OPTION 1

18.1 Work Included

The work of this item shall include but not be limited to labor, materials, mobilization, permits, care of water, the work associated and all work incidental to the completion of the required work according to the plans and specifications not covered on the Bidding Schedule in bid items No. 0011 thru No. 0017.

18.2 Measurement

Lump sum.

18.3 Payment

Payment for this item shall be the lump sum amount as indicated on the Bidding Schedule.

PARTS 19 THROUGH 26: OPTION 2 - REGRADE SPILLWAY CHANNEL SLOPES AND PLACE

RIPRAP (STA 11+50 THROUGH STA 13+00)

PART 19 BID ITEM 0019 - EXCAVATE ADDITIONAL RANDOM FILL FROM BORROW AREA

FOR SPILLWAY CHANNEL SLOPE REGRADING

19.1 Work Included

The work includes all material, equipment, and labor required for excavating the required quantity of random fill from the borrow sites identified on the drawings. Work will include hauling random fill borrow from the borrow sites to the spillway channel slope regrading areas.

19.2 Measurement

Cubic Yard. The quantity of random fill shall be determined based on a pre and final survey of the borrow site. The surveys shall be at the contractors expense. Measurements will be made to the nearest one tenth (0.1) foot. Volumes shall be determined to the nearest whole cubic yard using the average end area method. Cubic yardage of excavation shall be determined by quantity survey cross sections performed at a spacing not to exceed 50 feet or whenever a change in geometry occurs, whichever is more frequent. The quantity of stripping shall not be measured.

SECTION 01 22 00 Page 14

19.3 Payment

Applicable unit price times the number of cubic yards of random fill material.

PART 20 BID ITEM 0020 - TOPSOIL - UPSTREAM SPILLWAY CHANNEL AREA

20.1 Work Included

The work includes all material, equipment and labor required for placing topsoil in the upstream spillway channel area at the locations shown on the drawings. The Contractor shall be responsible for acquiring all topsoil to be placed in the upstream spillway channel area. The work also includes all material, equipment and labor required to excavate, haul and stockpile materials for use as topsoil.

20.2 Measurement

Per Cubic Yard. The quantity of topsoil shall be determined based on a pre and final survey of the topsoil in place. The surveys shall be at the contractors expense. Measurements will be made to the nearest one tenth (0.1) foot. Volumes shall be determined to the nearest whole cubic yard using the average end area method. Cubic yardage of excavation shall be determined by quantity survey cross sections performed at a spacing not to exceed 50 feet or whenever a change in geometry occurs, whichever is more frequent. The quantity of stripping shall not be measured.

20.3 Payment

Applicable unit price times the number of cubic yards of topsoil. No separate payment will made for stripping.

PART 21 BID ITEM 0021 - COMPACTED FILL FOR GRADING SPILLWAY CHANNEL

SIDESLOPES - UPSTREAM SPILLWAY CHANNEL AREA

21.1 Work Included

The work includes all material, equipment and labor used for placement of compacted earth fill for spillway side slopes to the lines and grades shown on the drawings. The work also includes hauling, compaction, laboratory and in-place density tests, and all other necessary operations to place, haul, compact and test all earth fill.

21.2 Measurement

Cubic Yard. Cubic Yard. The quantity of compacted earth fill shall be determined based on a pre and final survey of the areas where fill placement is required.

The surveys shall be at the contractors expense. The pre-surveys shall be performed after the clearing, grubbing and stripping operations have been completed. Measurements will be made to the nearest one tenth (0.1) foot.

Volumes shall be determined to the nearest whole cubic yard using the average end area method. Cubic yardage of fill shall be determined by quantity survey cross sections performed at a spacing not to exceed 50 feet or whenever a change in geometry occurs, whichever is more frequent.

SECTION 01 22 00 Page 15

21.3 Payment

Applicable unit price times the number of cubic yards of earth material acceptably placed.

PART 22 BID ITEM 0022 - PLACE CONTRACTOR FURNISHED RIPRAP - TYPE A

22.1 Work Included

The work of this item shall include but not be limited to labor, equipment, materials, testing, and performing all operations in connection with furnishing, transporting and placing Type A Riprap as required by the drawings and specifications.