Bid Package 08 North Well Field - Garney Construction

Colorado River Municipal Water District
Raw Water Supply Well Sites
Ward County North Well Field
1. Manufacturers:
a. Crane, Series 437 Gate Valves
b. Milwaukee Valve, 105 Series Gate Valves
c. Watts Water Technologies, GV Series Gate Valves
d. Substitutions: Permitted with Engineer’s Approval.
2. MSS SP 80, Class 125 bronze body, bronze trim, threaded bonnet, non-rising
stem, hand-wheel, inside screw with back-seating stem, solid wedge disc,
threaded ends.
B. 3-1/2 inches and Larger:
1. Manufacturers:
a. Mueller Co., Series 2360 Resilient Wedge Gate Valves.
b. American Cast Iron Company, Series 2500 Resilient Wedge Gate Valves
c. M&H AWWA C509 Resilient Wedge Gate Valve, Model 4067-02-HW.
d. Substitutions: Not Permitted.
2. MSS SP 70, NSF 61/AWWA C509, cast iron body, bronze trim, bolted bonnet
with o-ring, non-rising stem, hand-wheel, outside screw and yoke, solid wedge
disc with bronze seat rings, flanged ends. Furnish valves with universal position
indicators.
2.2 CHECK VALVES
A. Horizontal Swing Check Valves:
1. Manufacturers:
a. APCO Series 6000 Cushion Swing Check Valve.
b. Mueller Co., Model A-2602-06BB.
c. Substitutions: Not Permitted.
2. 2-1/2 inches and Larger: AWWA C508 compliant, cast iron body, bolted cap,
bronze or cast iron disc, flanged ends.
2.3 AIR RELEASE VALVES
A. Air Release Valve for Vertical Turbine Submersible Pumps:
1. Manufacturers:
a. APCO Model 144DAT (1,450 gpm max at no head pump capacity)
b. APCO Model 146DAT (3,500 gpm max at no head pump capacity)
c. Substitutions: Not Permitted.
2. Valves shall meet applicable requirements of AWWA C512.
3. Cast iron body and cover, stainless steel center-guided float, Buna-N seat, brass
water diffuser, and throttling device.
4. Contractor to confirm well flow rate and valve model prior to procuring valves.
Contractor assumes full responsibility and expense for purchases made prior to
Engineer approval.
B. Air Release Valves:
1. Manufacturers:
a. APCO Model 50
b. Substitutions: Not Permitted.
2. Valves shall meet applicable requirements of AWWA C512.
May 18, 2012
General-Duty Valves for Plumbing Piping
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