Attach 3.CS 45-Amend2-Plastic Pipe P10.pdf

AG-3D47-S-10-0001

Amendment No. 2 Attachment No. 3

14. Items of Work and Construction Details

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

A. Bid Item 12, Bid Schedule B, Mine Adit Seal

(1) This item shall consist of furnishing and installing the Mine Adit Seals with all required appurtenances and materials as shown on the plans for the Beulah Chapel Site 1.

(2) The completed Mine Adit Seal includes the drainage pipes, the Bat Access Conduit, and the Bat

Access Gate Assembly as shown on the plans.

(3) Section 13 shall not apply.

(a) The work is not measured. Payment for furnishing materials and installing each Mine Adit

Seal is made at the contract price for that item. Such payment constitutes full compensation for all labor, equipment, material, and all other items necessary and incidental to the completion of the work.

(b) 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 this section 14 of this specification.

(4) Items of work subsidiary to this bid item are:

Removal of Water, Construction Specification (CS) 11;

Excavation, Structure, Unclassified, CS 21;

Earth Backfill, Class C, CS 23;

Drainfill, C33 Size 57, Sandstone, Class III, CS 24;

Mine Drain, 12-Inch PVC Pipe, CS 45;

Bat Access Conduit, 36-Inch CMP, CS 51;

Bat Access Gate Assembly, CS 81.

B. Subsidiary Item, Mine Drain, 12-Inch PVC Pipe

(1) This item shall consist of furnishing and installing the 12-inch diameter PVC pipe and necessary fittings to construct the drainage system for each Mine Adit Seal as shown on the plans for the

Beulah Chapel Site 1.

NRCS November 2009 WV Deckers Creek Acid Mine Drainage Treatment Project Goat Site 1 & Beulah Chapel Site 1 45-10