CS450 - WVDOH Aggregate Base Course.v1.Amend No 1.pdf

AG-3D47-S-08-0005

NFHR Paving Solicitation

North Fork Hughes River Recreation Facilities 450-1 Harrisville, West Virginia Construction Package 11

Construction Specification 450 – Aggregate Base Course

1. Scope

The work shall consist of furnishing and placing aggregate base course as shown on the drawings.

2. Reference Specifications

The Standard Specifications of the West Virginia Department of Highways, latest edition, shall apply to this specification.

3. Materials Aggregate shall meet the requirements of Section 307 of the WVDOH Specifications.

4. Placement and Compaction Unless otherwise specified, the aggregate shall be placed to the full thickness in one lift.

Compaction shall consist of at least four passes over the entire surface of a smooth drum vibrating roller with a drum diameter of at least 48 inches and exerting a pressure of not less than 450 pounds per square inch. The final surface shall be smooth and shall be free draining.

5. Measurement and payment For items of work for which specific unit prices are established in the contract, the quantity of aggregate base course placed within the specified limits is computed to the nearest 0.1 ton by actual weight. For each load of aggregate base course placed as specified, the contractor shall furnish to the CO a statement of delivery ticket showing the weight to the nearest 0.1 ton.

Payment for aggregate base course will be in accordance with measured quantities and established unit prices, with no change in unit prices permitted for variations in quantities, regardless of amount. Such payment constitutes full compensation for all labor, materials, equipment, and all other items necessary and incidental to completion of the work.

Compensation for any item of work described in the contract, but not listed in the bid schedule, is included in the payment for the item of work to which it is made subsidiary.

Such items and the items to which they are made subsidiary are identified in Section 6.

7/8/2008 WVDOH Aggregate Base Course

AG-3D47-S-08-0005

NFHR Paving Solicitation

North Fork Hughes River Recreation Facilities 450-2 Harrisville, West Virginia Construction Package 11

6. Items of work and construction details

Items of work to be performed in conformance with this specification and construction details are:

a. Bid Item 3, WVDOH Aggregate Base Course, Class 1

This item shall consist of furnishing and installing the WVDOH aggregate base course, class 1, at the locations shown on the drawings.

b. Bid Item 4, WVDOH Aggregate Base Course, Class 10

This item shall consist of furnishing and installing the WVDOH aggregate base course, class 10, at the locations shown on the drawings.

7/8/2008 WVDOH Aggregate Base Course