01 22 00 AM0003 .pdf

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

SECTION TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 22 00

MEASUREMENT AND PAYMENT

PART 1 DEWATERING HTRW WATER DISPOSAL *AM0003 AND/OR TREATMENT **AM0003 -

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

SECTION 01 22 00 Page 1

8.2 Measurement

8.3 Payment

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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

BIDDING ITEMS

PART 1 DEWATERING HTRW WATER DISPOSAL * AM0003 AND/OR TREATMENT **AM0003- CLIN

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; * AM0003 water treatment, equipment and materials for water treatment, South Dakota permits to discharge treated water,AM0003, 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

SECTION 01 22 00 Page 4 excavated.

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

SECTION 01 22 00 Page 5 included.

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. The cost of all work specified in Division 1 - General Requirements, unless specifically covered in other bid items, will not be paid separately, but shall be included in the lump sum price bid in the Schedule for All Remaining Work.

8.2 Measurement

Lump Sum (JOB).

8.3 Payment

Payment for "All Remaining Work" shall be made on a progressive basis, based on the amount of work completed.

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SECTION 01 22 00 Page 8