substitution request - Alliance Construction Solutions

D. Install water hammer arresters in domestic water piping system at each set of flush valves
and in other locations where hydrostatic shock pressures could occur.
E. Install yard hydrants as shown on plans.
3.03 HANGERS AND SUPPORTS:
A. Refer to Section 220529, "Hangers and Supports for Plumbing Piping and Equipment," for
supports and anchors.
3.04 PIPE AND TUBE JOINT CONSTRUCTION:
A. Refer to Section 221116, "Basic Plumbing Piping," for pipe joints.
3.05 INSTALLATION OF WATER METER:
A. Install water meter in accordance with local utility’s installation instructions and
requirements.
B. Set meter on concrete pad as indicated. Refer to Division 3 for concrete, formwork, and
reinforcing requirements.
Project No.: 10145
550 15 th Street Dual Brand Hotel
03/16/2012
OR
C. Mount meter on wall brackets as indicated.
D. Size meter and arrange piping and specialties to comply with utility company's
requirements.
3.06 ROUGH-IN FOR WATER METER:
A. Install rough-in piping and specialties for water meter installation in accordance with local
utility’s instructions and requirements.
3.07 VALVE APPLICATIONS:
A. General Duty Valve Applications: The drawings indicate valve types to be used. Where
specific valve types are not indicated, the following requirements apply:
1. Shut-off duty: Use ball or butterfly valves.
2. Throttling duty: Use globe, ball, or butterfly valves.
3.08 INSTALLATION OF VALVES:
A. Sectional Valves: Install sectional valves on each branch and riser, close to main, where
branch or riser serves two or more plumbing fixtures or equipment connections, and
elsewhere as indicated. For sectional valves 2” and smaller, use ball valves; for sectional
valves 2½” and larger, use butterfly valves.
221119 - 7 DOMESTIC WATER PIPING
SPECIALTIES