substitution request - Alliance Construction Solutions

1. Steel Water Tanks:
2.02 STEEL WATER TANKS:
Project No.: 10145
550 15 th Street Dual Brand Hotel
03/16/2012
a. A.O. Smith
b. Raypak
c. State
d. PVI Industries
e. Patterson-Kelley
A. General: Provide steel water tanks of size, capacity, and orientation (vertical) as indicated
on drawings.
B. Construction: Hot-dipped galvanized steel, constructed with nontoxic welded joints, and
rated for 125 psi working pressure.
C. Lining: Interior of tanks shall be glass-lined and shall meet requirements of applicable
regulatory standards for potable water tank linings.
D. Support: Horizontal tanks shall be provided with steel saddles; vertical tanks with steel
legs.
E. Manholes: Manholes and covers shall be provided for tanks over 36” diameter, of sizes
and locations as indicated.
F. Tappings: Tappings shall be provided in sizes and locations as indicated; threaded
female for 3” and smaller, flanged for 4” and larger.
G. Accessories: Provide relief valve; pressure gauge; air volume operated controls; air
charging connections; and gauge glass, brass fittings, compression stops, and heavy
guard.
PART 3 – EXECUTION
3.01 EXAMINATION:
A. Examine areas and conditions under which storage tanks are to be installed, and substrate
which will support storage tanks. Do not proceed with work until unsatisfactory conditions
have been corrected in a manner acceptable to Installer.
3.02 INSTALLATION OF WATER TANKS:
A. General: Install water tanks as indicated, in accordance with manufacturer’s installation
instructions, and in compliance with applicable codes.
B. Support: Set units on concrete pads, level and plumb.
C. Make connections between water tanks and domestic water piping with isolation valves
and dielectric unions or flanges, as indicated.
22 1223 - 2 DOMESTIC WATER STORAGE
TANKS