Attachment_29_Page_251-4_Vigeant_ Hayes.pdf

NRCS-02/09 251- 4

OK-Vigeant and Hayes WRP Contracts

9. ITEMS OF WORK AND CONSTRUCTION DETAILS

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

a. Bid Item 11, GSS 36” dia. Pipe and 72” dia. Riser

(1) This item consists of furnishing all labor, materials, and equipment necessary for constructing and installing the Vigeant GSS and its appurtenances including, but not limited to, the riser and anti-seep collars, to the limits identified on the drawings.

(2) CM Pipe shall meet material specification 551, Type 1 helical corrugations, Aluminized, Type 2 (ASTM 910).

(3) Field joints shall be watertight coupling bands with annular corrugations and gaskets.

(4) Pipe bedding, laying and backfilling shall conform to Section 8 of Construction

Specification 212, Earthfill.

(5) In Section 8 of this specification neither Method shall apply. Instead, measurement and payment will be by the length of 36” dia. pipe installed, measured to the nearest foot.

(6) This item shall also consist of furnishing all materials, labor, and equipment necessary to install the Trash Guard with Cattle Panels as shown on the drawings for the Vigeant GSS.

(7) This item shall also consist of furnishing all materials, labor, and equipment necessary to install the Rodent Guard (36” Agri Drain Rat GuardTM or Equivalent) on the outlet of the Vigeant GSS principal spillway conduit.

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

(a) Excavation for GSS – Construction Specification 211.

(b) Concrete – Construction Specification 250.