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Villa Alegre - Tract B

August 17, 2009

2.02

PLASTIC PIPE AND FITTINGS

A

Plastic Pipe: All plastic pipe for intermittent pressure laterals shall be Schedule 40. PVC pipe shall be continuously marked with identification of the manufacturer, type, class, size, and shall conform to D 1785 for pipe and ASTM D 1784 for PVC compounds. Pipe shall be produced in 20-foot lengths. Pipe shall be free ofholes, foreign material, blisters, wrinkles or dents.

B.

PVC Fittings: Fittings on PVC lines shall be Schedule 40 PVC, Type 1, Cell Classification 12454-B, and shall comply with ASTM D 2466, D 2467, and D 1784.

C.

Drip Tubing: Drip tubing shall be by brown PVC tubing, Y2 diameter, UV stable, compatible with Netafim Drip System.

C.

Risers and Threaded Nipples: All threaded PVC nipples and risers shall be Schedule 80 PVC pipe as specified.

D.

Cleaner, Primer, and Solvent Cements: Cleaner shall be Uni-Weld 7300 cleaner. Primer shall be Uni-Weld 8700 Hi-Etch purple primer meeting ASTM F-656. Solvent Cement shall be Uni-Weld 1600 gray, medium viscosity type for lateral lines; Uni Weld 1700 gray, heavy-duty viscosity type for main lines and laterals larger than 2 1/2" diameter. Or approved equivalent cleaner, primer and solvent system from a single manufacturer.

E.

Sleeves: Sleeves shall be Class 160 PVC when under pedestrian used pavement. Schedule 40 PVC shall be used for sleeves under automotive or vehicle paving.

VALVE BOXES

A

Valve boxes shall be Carson Industries Series 1730 or an approved equivalent.

VALVES

A.

Automatic Valves shall be as specified on the Drawings. No substitutions. Valves shall have a shock cone on the diaphragm seat, a flow control, and a manual bleed screw that bleeds valves to downstream. Valves shall be made of noncorrosive material. The valve shall open and close smoothly with low-pressure loss. The valve shall be installable at any angle and have a flow control and manual shutoff. The solenoid shall be 24 volts AC. 60 Hz and have a consumption rate not exceeding 3.3 watts. All valves shall be clearly tagged with a legible, permanent, waterprooftag indicating the controller zone number.

2.03

2.04

2.05

CONTROLLERS

Underground Irrigation System

02810 - 4

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