substitution request - Alliance Construction Solutions

E. Install pipe sleeve and seals at foundation and basement wall penetrations, as specified in
Division 23, Section 232113, "Basic Piping Materials and Methods."
F. Seal pipe penetrations of fire barriers using fire barrier penetration sealers specified in
Division 23.
G. Drips and Sediment Traps: Install a drip leg at points where condensate may collect, at
the outlet of the gas meter, and in a location readily accessible to permit cleaning and
emptying. Do not install drips where condensate is likely to freeze.
1. Construct drips and sediment traps using a tee fitting with the bottom outlet
plugged or capped. Use a minimum of 3 pipe diameters in length for the drip
leg. Use same size pipe for drip leg as the connected pipe.
H. Use fittings for all changes in direction and all branch connections.
I. Install gas piping at a uniform grade upward to risers, and from the risers to the meter, or
service regulator when meter is not provided, or the equipment.
J. Connect branch outlet pipes from the top of horizontal lines, not from the bottom or sides.
3.04 NATURAL GAS PIPING SPECIALTIES:
A. Gas Meters:
1. Install gas meter in accordance with local Utility company's installation
instructions, and comply with requirements.
B. Protective Coating:
1. Provide protective coating on piping and fittings that will be in contact with
material or atmosphere exerting a corrosive action, or piping buried in floors.
C. Flexible Connectors:
1. Provide flexible connectors with full size quick coupler for all kitchen and heavy
moveable gas appliance equipment.
2. Connectors shall be of lengths required to displace equipment for complete
cleaning under and around gas appliance.
D. Quick Couplers:
1. Provide quick coupler at service end of flexible connectors.
E. Valve Cabinets:
3.05 VALVE APPLICATIONS:
1. Provide valve cabinets for gas safety valves, mounted 5’-0” from floor to
centerline. Control panels must be mounted to be visible from entry door of room
or area within which panels are mounted.
Project No.: 10145
550 15 th Street Dual Brand Hotel
03/16/2012
23 1123 - 6 FACILITY NATURAL-GAS PIPING