substitution request - Alliance Construction Solutions

1. Drainage Piping Specialties, including backwater valves, expansion joints, drains,
cleanouts, trap primers, flashing flanges and vent flashing sleeves:
Project No.: 10145
550 15 th Street Dual Brand Hotel
03/16/2012
a. Josam
b. Jay R. Smith
c. Zurn
d. Wade
e. Woodford
f. Precision Plumbing Products
g. Sioux Chief
2. Non-Metallic Trench Drains:
a. ACO
b. Quazite
c. Josam
3. Precast Concrete Basins and Manholes:
a. Arco
b. Copeland
c. Amcor
2.02 SANITARY AND STORM DRAINAGE, VENT AND SUBSURFACE DRAINAGE PIPE AND FITTINGS:
A. General: Provide piping and pipe fittings complying with Division 22, Section 221116.
2.03 BASIC SUPPORTS AND ANCHORS:
A. General: Provide supports and anchors complying with Division 22, Section 220529.
2.04 DRAINAGE PIPING SPECIALTIES:
A. Provide drainage piping specialties as scheduled on the Drawings.
B. Backwater Valves: Valve assembly shall be bronze-fitted cast iron, with bolted cover.
Design shall provide for a maximum 1/4” clearance between flapper and seat for air
circulation. Valve ends shall suit piping. Jay R. Smith Fig. 7012.
C. Trap Primers: Bronze body valve with automatic vacuum breaker, with 1/2” connections
matching piping system, and in compliance with ASSE 1018.
1. Valves shall be easily adjusted to high or low pressure and shall be automatically
activated whenever any faucet is opened in the building, causing a pressure drop.
2. Connections: 1/2" NPT male inlet; 1/2" NPT female outlet.
3. Valves shall be "Prime-Rite" Trap Primer Valve as manufactured by Precision
Plumbing Products, Inc., or approved equal.
4. When more than one (1) trap is to be primed, provide one or more distribution
units as required by the manufacturer.
22 1423 - 3 SANITARY & STORM DRAINAGE
PIPING SPECIALTIES