final bid specs 09328.pdf - Freese and Nichols, Inc.

2. Install equipment plumb and square to wall on a 4-inch thick (minimum) reinforced
concrete housekeeping pad.
3. Provide all interconnecting electrical power and control wiring from control panels to
equipment and accessories for a complete operable systems. All exposed wiring shall be
in conduit. Comply with Division 26, ELECTRICAL.
4. Extend cleanouts to finished floor or wall surface. Lubricate threaded cleanout plugs with
mixture of graphite and linseed oil. Ensure clearance at cleanout for rodding of drainage
system.
5. Encase grade cleanouts in concrete flush with grade when not located in concrete,
pavement, sidewalk, etc.
6. Grade cleanouts located in pavement or sidewalks shall have a brass or cast iron cover
that extends to grade and a brass cap shall be installed.
7. Trap all drains connected to the sanitary sewer.
8. Install floor and area drains with top depressed 1/2-inch below finished floor elevation.
9. In addition to cleanouts, as shown on the drawings, Contractor shall provide any
additional cleanouts required by local codes and ordinances at no additional cost to the
Owner.
10. Outlet of plumbing vents and flues shall be located a minimum of 25'-0" from fresh air
intakes. Provide offset as required.
11. Relief valve discharge drain from reduced pressure backflow preventers shall be piped
full outlet size down to nearest floor drain. Drain line shall terminate above floor drain
with air gap unless otherwise indicated on plans.
12. Prior to ordering and installing water hammer arrestors, verify that the pressure at the
point of installation does not drop to below 30 psig at any time. If the pressure drops
below 30 psig, do not install piston type water hammer arrestors. Install bellows type
arrestors under low pressure circumstances. Provide access panel directly in front of
each water hammer arrestor.
C. PLUMBING FIXTURES AND CONNECTIONS
1. Furnish and install plumbing fixtures, as noted on the drawings. Each fixture shall be
complete with trim and fittings, including traps and supply fittings. Set fixture with close
tolerance to wall and floor surfaces.
2. Provide all wall mounted fixtures with floor carriers. Install and secure fixtures in place
with wall supports carriers and bolts. Exposed bolts, nuts, etc. shall be stainless steel or
chrome-plated brass.
3. Seal fixtures to wall and floor surfaces with white mildew resistant sealant.
4. Mount fixtures to Architectural drawings interior wall elevations, manufacturers
recommended elevations or the requirements of the TAS.
5. Provide removable insulation covering on stops and supplies and drains and P-traps on
all handicapped lavatories. All lavatories in rooms with handicapped water closets are
considered handicapped lavatories.
6. Provide accessible stops on all water supplies to fixtures and equipment.
7. Provide accessible water hammer arresters on hot and cold water supplies to plumbing
fixtures and/or fixture groups in accordance with Standard PDI-WH-201. Water hammer
arresters shall be as shown on diagrams and if not shown, provide for plumbing fixtures
and/or fixture groups in accordance with Standard PDI-WH-201.
8. Provide drainage and vent piping run-outs to plumbing fixtures and drains, with approved
trap, of sizes indicated, but in no case smaller than required by the governing Plumbing
Code.
D. TRENCHING, EXCAVATION AND BACKFILL
1. Perform excavating and backfilling necessary for the installation of work. Shore, bail,
pump and maintain all trenches dry until the work is completed. Keep trenches open until
piping has been inspected, tested and approved. Take necessary precautions to protect
Plumbing Systems 15400-16
DPR09328