BB Left Abutment Specsification.pdf

SPECIFICATIONS

(For Construction Contract)

Solicitation Number W9128FXXR00XX

Replacement of Left Abutment Collector Pipe System

Missouri River

Big Bend Dam, SD

Month 202X

This page was intentionally left blank for duplex printing.

PROJECT TABLE OF CONTENTS

DI VI SI ON 01 - GENERAL REQUI REMENTS

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 00.00 10 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 02 - EXI STI NG CONDI TI ONS

02 32 13 SUBSURFACE DRILLING AND SAMPLING

02 41 00 DEMOLITION

02 61 13 EXCAVATION AND HANDLING OF CONTAMINATED MATERIALS

02 81 00 TRANSPORTATION AND DISPOSAL OF HAZARDOUS MATERIALS

02 82 00 ASBESTOS-CONTAINING MATERIALS

DI VI SI ON 03 - CONCRETE

03 42 13.00 10 PRECAST CONCRETE MANHOLES AND MANHOLE BASES

DI VI SI ON 31 - EARTHWORK

31 00 00 EARTHWORK

31 23 00.00 20 EXCAVATION AND BACKFILL FOR LEFT ABUTMENT COLLECTOR PIPE

SYSTEM

31 24 50 RIPRAP PROTECTION

DI VI SI ON 32 - EXTERI OR I MPROVEMENTS

32 11 23 AGGREGATE BASE COURSE (FOR ASPHALT ROADS)

32 12 16.16 HOT-MIX ASPHALT PAVING

32 31 13 VEHICLE BARRIER GATES

32 92 19 SEEDING AND EROSION CONTROL

DI VI SI ON 33 - UTI LI TI ES

33 26 00 DEWATERING

33 26 00.00 10 REPLACEMENT RELIEF WELL CASINGS AND ABANDONMENT OF

EXISTING RELIEF WELLS, CASINGS & CASING OUTFALLS

33 40 00 STORM DRAINAGE PIPE EXTENSIONS

33 46 16 PIPE AND APPURTENANCES FOR LEFT ABUTMENT COLLECTOR PIPE

SYSTEM

33 66 00 NEW PIEZOMETER INSTALLATION AND EXISTING PIEZOMETER

ABANDONMENT

-- End of Project Table of Contents --

Replace Left Abutment Collector Pipe System, Big Bend Dam, SD BB90

SECTION TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 12 00

CONSTRUCTION GENERAL

PART 1 GENERAL

1.1 SCOPE

1.2 CONSTRUCTION RIGHT-OF-WAY

1.3 SPILLWAY DIKE AND DAY USE AREAS

1.4 PROTECTION OF EXISTING FACILITIES AND WORKS

1.4.1 Interruption of Electric Power

1.4.2 Herring Bone Subdrain Area

1.4.3 Dam Safety Instrumentation and Subdrains

1.5 GOVERNMENT SUPPLIED SERVICES AND INSTALLATIONS

1.5.1 Services

1.5.2 Installation of Replacement Relief Wells

1.5.3 Source of Water

1.6 DIVERSION AND CARE OF WATER

1.7 DRAINAGE

1.8 PROJECT SURVEY AND LAYOUT

1.9 DISPOSITION OF CONSTRUCTION FACILITIES

1.10 ACCESS ROADS AND HAUL ROADS

1.10.1 Access Roads

1.10.2 Haul Roads

1.10.3 Trucking and Hauling Operations on Public and Private Roads

1.10.4 Joint Use of Transportation Facilities

1.10.5 Ramps

1.11 PUBLIC ROADS

1.11.1 Road Closure

1.11.2 Traffic Control Devices

1.11.3 Quality Control of Road Conditions

1.11.4 Temporary Traffic Control (TTC)

1.11.5 Operations

1.11.5.1 Flaggers

1.11.6 Road Closure

1.11.7 State and Federal Highways

1.11.8 State and Local Public Roads

1.11.9 City Streets

1.11.10 Utility Lines

1.12 COOPERATION WITH OTHER CONTRACTORS

1.13 COORDINATION AND OUTAGES

1.14 SUBMITTALS

1.15 FENCING

1.16 WARRANTY OF CONSTRUCTION (MAR 1994)

1.17 PORTABLE TOILETS

1.18 EMPLOYEE PARKING

1.19 FEDERAL HOLIDAYS AND WORKING HOURS

PART 2 NOT USED

PART 3 NOT USED

SECTION 01 12 00 Page 1

-- End of Section Table of Contents --

SECTION 01 12 00 Page 2

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. The work includes but not limited to the removal and replacement of the existing left abutment collector pipe system located on the the downstream left abutment of Big Bend Dam.

The left abutment collector pipe system consists of the existing toe drain pipe, toe drain outfall, relief well collector, and relief well casing outfalls. Work to include extending the relief well collector into the relief well channel and backfilled. Six (6) existing wells are to be abandoned (RW-66, RW-66A, RW-67, RW-68, RW-68A, RW-68B) and piezometer (OW20-02) as part of this contract. Abandonment or removal of existing relief well casing outfalls as indicated on the contract drawings. The new left abutment collector pipe system will connect existing wells (RW-66B and RW-67A) and six (6) replacement relief wells (RW-66R, RW-66AR, RW-67R, RW-68R, RW-68AR, RW-68BR). The six (6) replacement relief wells will be installed by USACE prior to Contractor mobilizing to the site.

Installation of four new manholes and two risers are a part of this contract. Extension of 24" CMP Culvert A and 24" RCP storm drain. A rip rapped apron will be constructed at the new relief collector pipe outfall location of the left abutment collector pipe system.

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 the SECTION 00 72 00, GENERAL CONDITIONS (CONTRACT CLAUSES) clause entitled "Operations and Storage Areas."

1.3 SPILLWAY DIKE AND DAY USE AREAS

The Spillway Dike and Day Use recreational areas will be operational during construction, with the exception of excavation and installation of the toe drain outfall. During temporary closure of the Spillway Access Road the public will not be permitted access to the Spillway Dike Road and Day Use Areas.

1.4 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.

SECTION 01 12 00 Page 3

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, report thereof shall be made immediately to the Contracting Officer. If the Contracting Officer determines that repairs shall be made by the Contractor, such repairs will be ordered under SECTION 00 72 00, GENERAL CONDITIONS (CONTRACT CLAUSES) clause entitled "Changes." 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.

1.4.1 Interruption of Electric Power

If it is necessary to cut off power in transmission lines that pass through construction areas, it shall be the Contractor's responsibility to make the necessary arrangements with the owner of the powerline, and the Contractor shall pay all costs therefore.

There is a 69kV West Central Electric Cooperative, Inc. powerline within the construction area of the relief well collector pipe, as indicated on the project drawings. There is a USACE 13.8kV power line on the Big Bend Dam downstream embankment in the vicinity of the toe drain, as indicated on the drawings. Point of Contacts for the utility owners shall be provided to the Contractor following award.

1.4.2 Herring Bone Subdrain Area

No access is permitted in the Herring Bone Subdrain Area as indicated on drawing Sheet G-101.

1.4.3 Dam Safety Instrumentation and Subdrains

The Contractor shall protect from damage, unless otherwise designated by the COR or contract drawings, all existing dam safety instrumentation consisting of piezometers, relief wells and casings, relief well outfalls, manholes, and risers in the area of work not scheduled for replacement.

The location of these features will be identified by the contracting officer and shall be marked by the contracting officer prior to the commencement of work. The herring bone drain system (including risers and outfalls) is located near the limits of the work area. Any damage to these features will be repaired or replaced (to be determined by the COR) by the Contractor at no additional cost to the Government.

1.5 GOVERNMENT SUPPLIED SERVICES AND INSTALLATIONS

1.5.1 Services

Site Access and stockpile area.

1.5.2 Installation of Replacement Relief Wells

Replacement relief Wells RW-66R, RW-66AR, RE-67AR, RW-68R, RW-68AR, and

SECTION 01 12 00 Page 4

RW-68BR will be installed by USACE prior to the Contractor mobilizing to the site.

1.5.3 Source of Water

The Government will not supply water for construction. Water may be obtained from Lake Francis Case or groundwater obtained through dewatering, not impacted by TPH-DRO, to be used for dust control, general grading, and other incidental application is support of construction

1.6 DIVERSION AND CARE OF WATER

Full responsibility for the diversion and care of water from whatever source, including direct rainfall, surface runoff and sources outside of the construction area shall be borne by the Contractor until completion of work under this contract. The Contractor shall make his own investigation and determination of existing and anticipated conditions concerning care of water. Plans for diversion and care of water during construction of the left abutment collector pipe system shall be submitted, within 10 calendar days after receipt of Notice to Proceed, for the approval of the Contracting Officer and shall show location, material and method for dewatering the work area and disposal of the water. 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. A detailed Dewatering Plan will be required and conform to Section 33 26 00, Dewatering. Plans for diversion and care of water are subject to approval by the Contracting Officer prior to construction. Facilities shall be removed upon completion of the work.

1.7 DRAINAGE

The Contractor shall provide and maintain ditches, dikes, and other facilities within and adjacent to the work areas, to divert water from surface and subsurface flow away from work in place or under construction by this and other contracts to prevent damage and interference. The basis for design, location, type and size of drainage facilities are subject to review and approval prior to construction.

1.8 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 (lincesed in the State of South Dakota) to check initial project control, survey and mark the corners of the staging area, employee parking lot, work area, non-work area and to provide and set hubs for project construction. At a minimum the non-work area points that are adjacent to work area and staging area should be marked and clearly visible so construction traffic does not enter the area. 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, downstream dam toe, profile, top of road way embankment, toe of roadway embankment, breaklines, edge of pavements, edge of rip rap and gravel, edge of water, storm drainage;

inverts and coordinates of all pipes, manholes, risers, and instruments (top of pipe elevations of piezometers and relief wells) prior to placement of surfacing for government review and approval. 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 recorded on the as-built condition in accordance with Section, SECTION 01 12 00 Page 5

As-Built Drawings.

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

1.9 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 his own use shall be removed from the site by the Contractor.

1.10 ACCESS ROADS AND HAUL ROADS

1.10.1 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 his operation at no additional cost to the Government.

1.10.2 Haul Roads

The Contractor shall construct haul roads as may be necessary for the conduct of the work without additional cost to the Government. Haul roads located on government property near the work area are shown on the contract drawings. All proposed haul routes must be submitted for approval to the Contracting Officer prior to construction. The Contractor shall arrange the hauling operations so as to cause a minimum interference with traffic and shall develop Temporary Traffic Control (TTC) plan(s) and furnish all necessary traffic control devices and personnel as required to avoid additional hazards to the public. The Contractor shall perform routine day and night inspections of TTC elements as required by FHWA Manual on Uniform Traffic Control Devices (MUTCD) and maintain all furnished traffic control devices at their expense and without additional cost to the Government. Lines, grades and widths for haul roads, shall be selected to fulfill the requirements for safe and efficient hauling operations and shall be approved by the Contracting Officer prior to construction. Haul roads shall have ample grades and width to provide safety. Preference shall be given to one-way haul roads when these are feasible. All roads shall be maintained in original as-built condition during all periods of their use. Improvements will be necessary for the dirt road between the relief well collector channel and the Spillway Dike Road to access the Staging Areas, all improvements will remain following project completion. The Contractor shall construct two permanent gates at the locations shown on the contract drawings and in accordance with SECTION 32 31 13, Vehical Barrier Gates. Roads shall be sprinkled whenever, in the opinion of the Contracting Officer, control of dust is necessary to insure safe movements of construction traffic at all times.

Upon completion of work under this contract, roads shall be disposed of as directed by the Contracting Officer and restored to original grades within

SECTION 01 12 00 Page 6

0.1 feet. All traffic control devices, culverts, guards, fences and other improvements on roads constructed for the Contractor's convenience and operations shall be removed from the project site and shall remain property of the Contractor. Use and repair of existing roads and bridges shall be subject to the requirements of local authorities. Prior to start of hauling operations on public roads, the Contractor shall furnish written 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.

The dirt haul road between the relief well channel and Spillway Dike Road should maintain a minimum of 3 ft of cover above the culverts, and should not allow axle loads in excess of 75 kips. Existing culverts shall be replaced if damaged by activity that is not consistent with these operational guidelines at no additional cost to the Government.

1.10.3 Trucking and Hauling Operations on Public and Private Roads

When the contractor will be performing continuous hauling and trucking operations on public and private roads, the contractor shall develop a Haul Route Plan identifying the routes that will be utilized from the vendor to the project site and identify all potential safety hazards along the route. The Haul Route Plan shall be submitted to the COR for information prior to hauling begins. The contractor shall also provide the Haul Route Plan to all drivers and operators of hauling vehicles that will be delivering materials to the project site.

1.10.4 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 his own 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 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.

1.10.5 Ramps

Ramps shall be provided and maintained for access of hauling equipment into excavation and waste areas. Locations, grades and width are subject to review and approval by the Contracting Officer prior to construction.

1.11 PUBLIC ROADS

1.11.1 Road Closure

Replacement of the toe drain outfall pipe between the toe drain and the relief well collector pipe will require temporary closure of the spillway access road. The Contractor will follow all traffic requirements for temporary closing per MUTCD. The Contractor is required to coordinate the road/lane closure with Contracting Officer.

SECTION 01 12 00 Page 7

1.11.2 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.

1.11.3 Quality Control of Road Conditions

Prior to starting construction, the Contractor will be required to document the condition of the roads he intends to use, to document the pre-construction condition, the Contractor shall submit a Pre-construction Road Condition Photographs and have pre-construction and post-construction haul route centerline surveys as required in 31 00 00 EARTHWORK.

Pre-construction photographs of haul roads must be in the presence of the COR. Contractor will be required to return roads to the pre-construction condition, with the exception of the haul road between the relief well channel and the Spillway Access Dike Road where improvement will remain in place.

1.11.4 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. Temporary traffic control plans shall be designed in accordance with the current MUTCD and the SD DOT Traffic Operations Manual requirements by a license Professional Engineer and shall be submitted for review and approval prior to construction to the COR a minimum 3 weeks prior to road closure.

1.11.5 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.

1.11.5.1 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 drivers are at risk due to Construction activity.

SECTION 01 12 00 Page 8

Flaggers 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 MUTCD. The Contractor shall furnish all necessary traffic control devices to establish appropriate TTC zone when the Flagger Control is utilized.

1.11.6 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 he desires to close a road to traffic and shall furnish a copy of the agreement to the Contracting Officer prior to closure.

1.11.7 State and Federal Highways

Where the Contractor hauls across or on State or Federal highways, he 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.

1.11.8 State and Local Public Roads

(a) Load Limits:

The South Dakota DOT under the Authority of SDCL 32-22-24, a Highway Maintaining Authority, and local County Road Commissions restrict the load weight of haul vehicles using highways and county road during the spring thaw period. The purpose of the load limits is to protect roads from break-up during the spring thaw. The load restrictions are usually imposed anytime during the period of 15 February through April 30 depending on actual weather conditions. SD Highway 47 crosses the crest of the dam and USACE roads would be subjected to the SD DOT load restrictions. Ensure to conform to the SD DOT load restrictions for hauling, which can be found on the SD DOT website.

(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.

1.11.9 City Streets

Where the Contractor intends to cross or to use city streets for haul

SECTION 01 12 00 Page 9 roads he shall enter into an agreement with the City and shall comply with any restrictions the City may impose relative to load limits, care of traffic and cleanup. Such agreements shall clearly relieve the Government of any responsibility for damage resulting from hauling across or on these highways. A copy of all such agreements shall be furnished to the Contracting Officer before the Contractor begins hauling in city streets.

1.11.10 Utility Lines

It shall be the responsibility and obligation of the Contractor to make all arrangements with the affected companies for the necessary moving and alterations of utility lines and the continuation of service during construction as covered by the plans and specifications.

1.12 COOPERATION WITH OTHER CONTRACTORS

The Contractor shall cooperate and coordinate his 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 his work with others to avoid undue interference and shall conduct his 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 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.

1.13 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 "Outage" time of operating equipment or systems to a minimum. Work in the proximity of exposed energized equipment such as in the switchyard or work involving connections to existing energized or operating equipment or systems shall perform only under the Safe Clearance Procedures. The Contractor will be instructed by the Contracting Officer in the proper procedure for requesting clearances. Only qualified supervisory personnel will be permitted to request clearances. Request for "Outage" shall be made by the Contractor to the Contracting Officer in each instance and in sufficient time to permit adjusting power plant operations, and to coordinate outages with the dispatching agency per 01 35 26 GOVERNMENTAL SAFETY REQUIREMENTS paragraph 3.2 and 3.3. Scheduling of "Outage" for the USACE 13.4kV Powerlinewill be subject to the approval of the Contracting Officer. Scheduling an outage for the 69kV Powerline will be coordinated with the Contractor and West Central Electric Cooperative, Inc., Company at the expense of the Contractor. Point of contacts for USACE and West Central Electric Cooperative, Inc. will be provided after Contract Award.

1.14 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:

SECTION 01 12 00 Page 10

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

Pre-Construction Road Condition Photographs; G, AO

Traffic Control; G-AO

Haul Route Plan; G, AO

SD-02 Shop Drawings

Care of Water; G-AO

SD-11 Closeout Submittals

Warranty of Construction

List of warranties with copy of each

1.15 FENCING

Contractor shall provide Fencing along the construction site at all open excavations to control access by unauthorized people.

a. The safety fencing must be a high visibility orange colored, high density polyethylene grid or approved equal, a minimum of 48 inches high and maximum mesh size of 2 inches, supported and tightly secured to steel posts located on maximum 10 foot centers, constructed at the approved location by the COR. Install fencing to be able to restrain a force of at least 250 pounds against it.

b. As soon as practicable, but not later than 15 days after mobilization to the site, furnish and erect temporary project safety fencing at the work site. Maintain the safety fencing during the life of the contract and, upon completion and acceptance of the work, will become the property of the Contractor and be removed from the work sites.

1.16 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

SECTION 01 12 00 Page 11 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.

(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)

SECTION 01 12 00 Page 12

1.17 PORTABLE TOILETS

Government 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.

1.18 EMPLOYEE PARKING

Park privately owned vehicles in the area designated on the contract drawings. Do not interfere with existing and established parking requirements of the government project staff.

1.19 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. Contractor can submit written request to work beyond normal hours, but must be approved by the COR.

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 a wage determination applies the number of holidays specified on it, it has priority over this requirement.

PART 2 NOT USED

PART 3 NOT USED

-- End of Section --

SECTION 01 12 00 Page 13

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 22 00

MEASUREMENT AND PAYMENT

PART 1 DEWATERING HTRW WATER DISPOSAL- CLIN 0001

1.1 Work Included

1.2 Measurement

1.3 Payment

PART 2 EXCAVATION HTRW SOIL DISPOSAL- CLIN 0002

2.1 Work Included

2.2 Measurement

2.3 Payment

PART 3 8-INCH SOLID HDPE PIPE - CLIN 0003

3.1 Work Included

3.2 Measurement

3.3 Payment

PART 4 COARSE AGGREGATE MATERIAL - CLIN 0004

4.1 Work Included

4.2 Measurement

4.3 Payment

PART 5 RIP RAP - CLIN 0005

5.1 Work Included

5.2 Measurement

5.3 Payment

PART 6 SPALLS - CLIN 0006

6.1 Work Included

6.2 Measurement

6.3 Payment

PART 7 DEWATERING - CLIN 0007

7.1 Work Included

7.2 Measurement

7.3 Payment

PART 8 ALL REMAINING WORK - CLIN 0008

8.1 Work Included

8.2 Measurement

SECTION 01 22 00 Page 1

8.3 Payment

SECTION 01 22 00 Page 2

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 effect 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, and 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.

JOB ITEMS

Quantities: The quantities under Job items will not be measured except for the purpose of determining reasonable interim payments.

Interim Payments (or Progressive Payments): Interim payments will be made in accordance with the estimated value of work done as determined by the Contracting Officer Representative (COR) or as specified in this section, and in accordance with contract clause for payments.

UNIT PRICE ITEMS

Excavation/Removal Items: Excavation and/or removal items and fill items will be measured from existing ground levels to excavation surfaces shown on the Drawings or as directed by the COR.

Fill Items: Fill items will be measured from existing ground levels or excavation surfaces shown on the drawings or as directed by the COR.

Existing Ground Levels: Existing ground levels shall be surveyed prior to any disturbances in accordance with the relevant provisions of these specifications.

Excavation Surfaces Not Shown: In the event excavation surfaces are not clearly shown on the Drawings, the Contractor shall obtain clarification from the COR prior to commencement of excavation and/or removal.

Payments to Contractor: For unit priced items, payments will be made to the Contractor and approved by the COR in accordance with measurements for the unit prices entered in the proposal schedule.

Interim Measurement/Payments: Interim measurements and/or payments maybe adjusted to take account of partially completed work.

SECTION 01 22 00 Page 3

BI DDI NG I TEMS

PART 1 DEWATERING HTRW WATER DISPOSAL- CLIN 0001

1.1 Work Included

The work of this item shall include but not be limited to furnishing all labor and equipment required for containerizing dewatering liquids impacted by TPH-DRO, providing secondary containment on-site, testing, proper transportation and disposal of liquids; materials to handle spills, personal protective equipment (PPE), for construction of a decontamination area and providing the specified equipment and materials to be used in decontamination; personnel and maintenance of decontamination facilities;

all record keeping, certificate(s) of disposal facility, closure report, testing reports, site safety controls in potentially impacted area.

1.2 Measurement

Gallons of contaminated liquid removed during dewatering operations that is impacted by TPH-DRO.

1.3 Payment

Applicable unit price times the number of gallons of impacted water impacted by TPH-DRO.

PART 2 EXCAVATION HTRW SOIL DISPOSAL- CLIN 0002

2.1 Work Included

The work of this item shall include but not be limited to furnishing all labor and equipment required for containerizing excavated satisfactory or unsatisfactory soils impacted by TPH-DRO; providing secondary containment on-site; testing; stockpiling, stockpiling liner, contaminated material storage, excavation log, proper disposal of impacted soils; materials to handle spills, personal protective equipment (PPE), for construction of a decontamination area and providing the specified equipment and materials to be used in decontamination; personnel and maintenance of decontamination facilities; all record keeping; certificate(s) of disposal facility; closure report; site safety controls in potentially impacted area.

2.2 Measurement

Measurement for excavation and onsite transportation shall be based on the actual number of cubic yards of contaminated material in-place prior to excavation. Determination of the volume of contaminated material excavated shall be based on cross-sectional volume determination reflecting the differential between the original elevation of the top of the contaminated material and the final elevations after the removal of the contaminated material.

2.3 Payment

Applicable unit price times the number of cubic yards of impacted soil excavated.

SECTION 01 22 00 Page 4

PART 3 8-INCH SOLID HDPE PIPE - CLIN 0003

3.1 Work Included

The work of this item shall include but not be limited to labor, materials, equipment, pipe, elbows, couplers, connections to relief wells, installation and removal of trench protective systems, and all other work (excluding bedding, excavation and backfill) incidental to the installation of the 8" diameter HDPE solid pipe system outfall pipes as specified herein and shown on the drawings.

3.2 Measurement

Per linear foot. The length of solid 8" diameter HDPE pipe installed will be measured from exterior of relief well casing to manholes or relief well collector pipe along the final pipe lines and grades placed in accordance with the project drawings and specifications and will include the length along couplers. Measurements will be made to the nearest foot.

3.3 Payment

Payment for this item shall be the unit price per linear foot as indicated on the Bidding Schedule multiplied by the actual length of pipe installed in the accepted work.

PART 4 COARSE AGGREGATE MATERIAL - CLIN 0004

4.1 Work Included

The work of this item shall include but not be limited to labor and equipment necessary for furnishing, stockpiling, transporting, placing, compacting, gradation testing, and all other work incidental to complete placement of the coarse aggregate material as required by drawings and specifications.

4.2 Measurement

Per Ton. Coarse aggregate material will be measured for payment by the number of tons of coarse aggregate material satisfactorily placed as specified. The coarse aggregate 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) coarse aggregate material may be weighed on the Contractor-furnished scales calibrated within 6 months of the start of work and 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 coarse aggregate material shall be weighed to the nearest 20 pounds and the net weight reduced to the nearest hundredth of a ton.

4.3 Payment

Payment for this item shall be the unit price per ton as indicated on the Bidding Schedule multiplied by the actual number of tons placed in the accepted work. Waste associated with material stockpiling will not be included.

SECTION 01 22 00 Page 5

PART 5 RIP RAP - CLIN 0005

5.1 Work Included

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

5.2 Measurement

Per Ton. Riprap material will be measured for payment by the number of tons 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) riprap 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 riprap 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 "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 according to drawings and specifications.

PART 6 SPALLS - CLIN 0006

6.1 Work Included

The work of this item shall include but not be limited to labor and equipment necessary for furnishing, gradation testing, transporting, and placing spalls as required.

6.2 Measurement

Per Ton. Measurement for payment shall be made in the presence of a Government inspector by weighing on approved scale provided by and at the expense of the Contractor. Weight certificates furnished by a public weigh master will be acceptable in lieu of such procedure when authorized by the Contracting Officer or their representative. Each weight slip shall contain the following: date, unit number, gross weight, time of gross weight, tare weight, time of tare weight, name of project, contract number, name of Contractor and signature of weigher.

6.3 Payment

Payment for spalls shall be based on the unit price per ton as indicated on the Bidding Schedule multiplied by the actual number of tons needed to complete the required work according to the plans and specifications.

SECTION 01 22 00 Page 6

PART 7 DEWATERING - CLIN 0007

7.1 Work Included

The work of this item shall include but not be limited to furnishing all plant, labor, materials and equipment and performing all operations (listed in no particular order) in connection with the dewatering system to meet the requirements of the contract to include but not be limited site preparation, drilling, testing, abandonment, maintenance and continual operation of the dewatering system and all other work incidental to the design (including additional aquifer performance testing and/or exploration proposed by the contractor), installation, operation, and abandonment of the dewatering system as specified herein and shown on the drawings. All additional analysis, evaluation, and investigations required for the design, submittal of the Dewatering Plan, implementation, operation, and abandonment shall also be considered incidental to this CLIN and the dewatering system as specified herein and shown on the drawings.

7.2 Measurement

Lump Sum (JOB).

7.3 Payment

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

PART 8 ALL REMAINING WORK - CLIN 0008

8.1 Work Included

The work included in this item shall include, but is not limited to, furnishing all labor, equipment, tools, subcontractors, and material needed to complete all remaining work not covered in Bid Items CLIN 001 through 007. This line item applies to the Prime Contractor and all subcontractors' mobilization and demobilization unless otherwise noted.

All remaining work shall include but not be limited to: performance and payment bonds; taxes; permits; geotechnical investigations; field investigations; engineering oversight, Drilling Program Plans; sampling and laboratory testing; geotechnical investigation reports; site preparation; transport and storage of samples, disposal of cuttings, boring abandonment, site restoration related to field investigations; site controls, inspections, and Quality Control/Quality Assurance; all management, supervisory, and specialized personnel; equipment and temporary construction facilities (trailers) to the project site and their subsequent removal; providing, installing, and maintaining all field trailers; providing temporary utilities; contractor staging area, haul roads; preparation and submission of all submittals; preparation, implementation, and updating of all special project procedures;

photographs; personal protective equipment (separate from PPE required for HTRW soil or water disposal); medical surveillance program including all required physical examinations; project records and documents;

construction scheduling; site maintenance and cleanup; dust control;

on-site or off-site scales; temporary construction and safety fence;

temporary traffic control; permits for all required surveying; quantity, as-built, and investigation surveys; materials staging; maintaining all site access roads; installation of two new permanent vehicle gates on the haul road; establishing site security; construction of material and

SECTION 01 22 00 Page 7 equipment staging and storage areas; stripping of topsoil from areas of excavation, staging areas, and stockpiling area; satisfactory disposal of the vegetation from the relief well channel banks above the water surface in areas to receive fill material; storm drainage control system;

equipment and labor necessary for excavation incidental to construction;

demolition work and legal disposal off-site of the collector pipe system;

disposal of asbestos containing material (ACM) pipes; temporary storage of ACM on site before disposal; all record keeping, and certificate(s) of disposal facilities; asphalt removal and replacement; slotted and solid HDPE pipes; elbows, couplers, and gaskets for collector pipe system;

installation of replacement collector pipe system; installation and removal of trench protective systems; transportation and stockpiling of excavated materials; removal and disposal of unsatisfactory uncontaminated excavated materials (excludes storage and disposal of contaminated soils);

abandonment of wells and piezometers; replacement relief well casing completions; replacement relief well casing outfall installation and connections to left abutment collector pipe system; installation of piezometers; extension of existing storm drainage culverts (RCP and CMP);

flared end for 24" CMP culvert; top soil and seeding; erosion control materials; bedding and backfill materials; watertight joint testing;

installing manholes; manhole ladders; manhole and relief well casing covers; flushing of collector pipe system; Post-inspection of left abutment collector pipe system and storm drainage culverts; closeout inspection(s); as-built drawings; and other miscellaneous items required to begin construction and closeout the Contract.