Att_B_-_cn32157_EGLF_Extraction_Well_Destruction.pdf

Sacramento County 01270-1

ELK GROVE LANDFILL EXTRACTION WELL

DESTRUCTION

DIVISION 1 – GENERAL REQUIREMENTS

SECTION 01270 - MEASUREMENT AND PAYMENT

PART 1 - GENERAL

1.01 SUMMARY

A. Section includes general requirements for measurement and payment as they apply to this Contract.

B. The Contractor will compute all quantities. Where necessary, such computations will be based upon surveys performed by the Contractor. Quantities for final payment will be reviewed and approved by the County.

1.02 RELATED SECTIONS

A. Measurement and Payment - Section 8 of the Standard Construction

Specifications.

1.03 MEASUREMENT OF QUANTITIES

A. Measurement Standards: All work to be paid for at a Contract price per unit of measurement will be verified by the County consistent with United States Standard Measures.

B. Measurement by Volume:

1. Measurement by volume will be by the cubic dimension listed or indicated in the Bid Schedule. Method of volume measurement will be as determined or directed by the County.

2. Confirmation of volume may be required by utilizing weighing methods.

In this event, such volumes will be converted to weight measurement for payment purposes. Factors for conversion from weight measurement to volume measurement will be determined by the County and shall be agreed by the Contractor before such method of measurement of pay quantities will be accepted.

C. Measurement by Area: Measurement by area will be by the square dimension listed or indicated in the Bid Schedule. Method of square measurement will be as determined or directed by the County.

D. Linear Measurement: Linear measurement will be by the linear dimension listed or indicated in the Bid Schedule. Method of linear measurement will be as

Sacramento County 01270-2 determined or directed by the County. Generally, items, components, or work to be measured will be measured at the centerline of the item in place.

E. Lump-Sum Measurement: Lump-sum measurement will be for the entire item, unit of work, structure, or combination thereof, as listed or indicated in the Bid Schedule.

F. Allowance: Payment under an allowance item will only be made upon acceptance and approval of quantities of work, invoices or other appropriate documentation as determined by the Agency.

1.04 FIELD MEASUREMENT FOR PAYMENT

A. The Contractor shall compute all quantities of work performed or of materials and equipment delivered to the site for payment purposes.

B. The County may at any time verify quantities calculated by the Contractor.

1.05 PAYMENT

A. Payment will be full compensation for furnishing all labor, materials, tools, equipment, transportation, permit fees, services, and incidentals, as specified, and for performing all work necessary for completing the erection or installation of the item or work classification, including all adjusting and balancing, testing, cleaning, and all other incidental work.

B. Full compensation for all expenses involved in conforming to the requirements for measuring materials or work shall be considered as included in the unit or lump-sum prices paid for the materials or work being measured, and no additional compensation will be permitted.

C. Full compensation for an item of work for which no measurement or payment is specified will be considered as included in the applicable related item of work in the Bid Schedule or incidental of the Contract.

1.06 VALUES OF UNIT PRICES

A. The number of units and quantities contained in the Bid Schedule are approximate only, and final payment will be made for the actual number of units and quantities, which are incorporated in or made necessary by the work included in this Contract.

Sacramento County 01270-3

B. In the event that work and materials, or equipment are required to be furnished to a greater or lesser extent than is indicated by the Construction Drawings and Specifications, such work and materials or equipment shall be furnished in greater or lesser quantities.

1.07 CHANGES AND EXTRA WORK

A. Changes and extra work ordered by the County will be measured and paid for consistent with the requirements of Changes and Claims - Section 9 of the

Standard Construction Specifications.

1.08 REJECTED MATERIALS

A. Quantities of material wasted or disposed of in a manner not called for under the Contract; rejected loads of material, including material rejected after it has been placed by reasons of the failure of the Contractor to conform to the provisions of the Contract; material not unloaded from the transporting vehicle;

material placed outside the limits indicated on the Drawings or established by the County; or material remaining on hand after completion of the work, will not be paid for, and such quantities shall not be included in the final total quantities. No compensation will be permitted for loading, hauling, and disposing of rejected material. Contractor is responsible for removing rejected and unused materials from site.

1.09 CONTRACT BID ITEMS

REQUIREMENTS INCLUDED

A. This section includes the items of work and the basis of payment for these tasks. The Contractor shall bid items listed below separately and provide a total sum for all work items. The Contractor is responsible for supplying all materials, equipment and labor necessary for the complete prosecution of all work as described in these Specifications. Payment for each work item will be made on either a unit price (EA), lump sum (LS), hour (HR), day (DY), allowance (AL), foot (FT), cubic yard (CY), acre (AC), or square foot (SF) basis, and only after that portion of the project has been completed.

Sacramento County 01270-4

Item 1. Mobilization and Demobilization. This task includes preparatory work and operations, including, but not limited to, those necessary for the movement of personnel, equipment, supplies, and incidentals to the site; for the establishment of all offices, buildings, and other facilities necessary for the well destruction work (Work); and for all other work and operations which must be performed, or for costs incurred, prior to beginning the Work, unless specified as a separate pay item. Payment for this work will be made on a lump sum (LS) basis. Payment shall be made in accordance with Section 8-1 of the Standard Specification.

Item 2. Prepare and Obtain Well Permit. This task includes preparation of the destruction permits for four extraction wells, payment of the associated fees to the regulatory agency, and obtaining the permits.

Payment for this bid item will be made on a lump sum (LS) basis.

Item 3. Eight-Inch Borehole Pressure Grouting. This task includes furnishing all labor, materials, tools, equipment, incidentals, for doing all the work involved in pressure grouting to the four extraction wells. Payment shall be made on a per foot (FT) basis.

Item 4. Upper 5-foot Over Drilling. This task includes furnishing all labor, materials, tools, equipment, incidentals, for doing all the work involved in over drilling the upper 5-feet of each extraction well using hollow stem auger. Payment shall be made on a per foot drilled (FT) basis.

Item 5. Well Vault Removal. Supply all material, equipment, labor, and incidentals necessary for the removal of the vaults for four extraction wells and for the removal of any equipment and associated pieces within the vault. The Contractor shall also include the disposal of the debris generated from the vault removal. Payment for this item will be on a lump sum (LS) basis for each well.

Item 6. Surface Repair. Supply all material, equipment, labor, and incidentals necessary for doing all the work involved in repairing the surface where the vault was removed. The surface will match the surrounding area. Payment shall be made on a lump sum (LS) basis for each well.

Item 7. Management of Cuttings and Refuse. Supply all materials, equipment, labor, and incidentals necessary for the management of any spoils and debris generated during extraction well destruction

Sacramento County 01270-5 and for the disposal of these cuttings and debris. Payment for this item will be on a lump sum (LS) basis.

END OF SECTION