Complete Compiled Specification.pdf - Peck Ormsby Construction

Balancing cocks 1-1/2" and smaller shall be Crane No. 80E, bronze, screwed, 200# WOG.
Balancing cocks 2" and larger shall be Crane No. 325, all iron, flanged 125# WOG.
Gas cocks 2" and smaller shall be Crane No. 270, flat head, bronze screwed.
Gage cocks shall be Crane No. 744, 1/4", bronze, screwed.
Pet cocks shall be Crane No. 702, 1/4", bronze, screwed with lever handle.
Try cocks shall be Crane No. 734, 3/8", bronze, screwed, 250# rated with stuffing box.
Provide two complete sets of wrenches for all cocks and stops.
VALVES FOR GROOVED END PIPE:
General:
Provide valves with pressure rating clearly marked on valve body.
Unless otherwise specified provide valves of the same size as the upstream pipe size.
Valves shall be of the same manufacturer as the grooved end pipe products.
Ball Valve:
Ball valves 1-1/2" to 6" shall be Victaulic 721 "Vic-Ball" with bubble tight shut-off at 600 psi WOG or equal of
Grinnell. Body/end cap shall be cast of ductile iron conforming to ASTM A-536 with Endurion corrosion resistant
coating, stainless steel ball, TFE seats.
Butterfly Valve:
Butterfly valves 2" to 12" shall be Victaulic 700, 703, 704, 707 and "Series 300" with bubble tight shut-off at 200
psig to 300 psig depending on style. Carbon steel body or ductile iron. Zinc plated or PPS coated body,
aluminum bronze, chrome plated ductile iron, stainless steel or encapsulated synthetic elastomer coated disc.
Dual piece stem or drive hub and trunnion mounted disc. Handle shall be std on-off, latchlock, infinitely variable
or gear operated as required for intended service.
In systems requiring insulation, all butterfly valves shall have extended necks. Valve neck must be designed
with sufficient length to accept 2" of insulation without inhibiting actuator in any way.
Swing Check Valve:
Check valves 2" to 4" shall be Victaulic 712 fabricated with ASTM A-536 ductile cast iron housing, bonnet cap,
and bonnet closure. 300 psi working pressure. Full port opening, 316 stainless steel clapper, EPDM disc seat
permanently bonded to the valve body.
Non-Slam Check Valve:
Check valves 4" to 12" shall be Victaulic 710 or 711, 714, or 715 "Vic-Check II". Silent, springloaded, 400 psig
wp. ASTM A-536 ductile cast iron or ASTM A-47 malleable iron housing, aluminum discs, 316 stainless steel
shaft and spring, nylon bushings, EPDM disc seat permanently bonded to the valve body.
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SEGO LILY ELEMENTARY SCHOOL CLASSROOM ADDTION March 2, 2009
BASIC MATERIALS & METHODS 15050-11