Complete Compiled Specification.pdf - Peck Ormsby Construction

SECTION 15400 - PLUMBING
PART 1.00 - GENERAL
SCOPE OF WORK:
Piping diagrams are schematic and indicate preferred pipe routing. It is the intent that the installation be
complete. Where fixtures are not shown connected to any required services, they shall be connected properly
and completely. Connect all fixtures to various services, i.e., hot water, cold water, waste, and vent, etc., as
required.
The work shall include furnishing of all materials and labor required for the job as described, together with all
accessories and trim implied or required to finish the work, and generally as follows:
1. Complete rain removal system, including piping and roof drains.
2. Plumbing fixtures and water supply piping.
3. Sanitary sewer systems.
4. Condensate drain systems.
STANDARDS:
Plumbing installation shall be made in accordance with the International Plumbing Code, City Code, and all other
governing codes.
In the event drawings violate the codes as being locally enforced, the contractor shall base his estimate on the
enforced code requirements.
DISINFECTING:
After flushing the mains, introduce a water and chlorine solution concentrated to 300 PPM to disinfect the system
and oxidize piping contaminates. Retain treated water and chlorine for a period of not less than three hours or
more than six hours before final flushing out of system.
All valves should be opened periodically during the process and the residual chlorine checked to ensure that at
least 50 percent of the initial concentration is present to complete the disinfection. If there is less than 50
percent, the valves should be allowed to drain water until the 50 percent or greater level is obtained. A make-up
chlorine solution of a concentration equal to the initial concentration must be added as needed during the
withdrawal of the spent solution.
A warning sign shall be conspicuously posted at each water outlet and faucet during the disinfecting process to
prevent occupants from drinking the water.
Flushing: Following disinfection, all treated water shall be flushed from the system through its extremities.
Flushing shall continue until samples show that the quality of the water delivered is comparable with the quality
of the public water supply and satisfactory to the public health authority having jurisdiction. Flushing shall be
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SEGO LILY ELEMENTARY SCHOOL CLASSROOM ADDITION March 2, 2009
PLUMBING 15400-1