substitution request - Alliance Construction Solutions

3.11 COMMISSIONING:
4. Introduce chlorination material into lines and distribution system in manner
approved by the Architect/ Engineer.
5. After a contact period of not less than 24 hours, during which period chlorine
residual shall be maintained at not less than five parts per million, flush out
systems with clean water until residual content is not greater than 0.2 parts per
million.
6. Flush entire system, including all hose bibs, fixture outlets, dead ends, and other
points where stagnant water may collect.
7. Open and close valves in lines being sterilized several times during contact period.
8. Furnish a copy of test report of complete and adequate sterilization to the
Architect/Engineer before final acceptance of work. Certificates shall bear
signature of an official of laboratory responsible for test.
A. Fill system and perform initial chemical treatment.
B. Check expansion tanks to determine that they are not air bound and that the system is
completely full of water.
C. Before operating the system, perform the following steps:
1. Open valves to full open position. Close heat exchanger bypass valves.
2. Remove and clean strainers.
3. Check pump for proper rotation and proper wiring.
4. Set automatic fill valves for required system pressure.
5. Check air vents at high points of systems and determine if all are installed and
operating freely (automatic type) or able to bleed air completely (manual type).
6. Check operation of automatic bypass valve.
7. Check and set operating temperatures of water heaters to design requirements.
8. Lubricate motors and bearings.
Project No.: 10145
550 15 th Street Dual Brand Hotel
12/23/2011
END OF SECTION 22 1116
22 1116 - 18 BASIC PLUMBING PIPING