substitution request - Alliance Construction Solutions

PART 1 – GENERAL
1.01 DESCRIPTION OF WORK:
Project No.: 10145
550 15 th Street Dual Brand Hotel
03/16/2012
SECTION 22 3400
DOMESTIC WATER HEATERS
A. Provide a complete plumbing system as indicated on the drawings and as specified herein,
consisting of, but not limited to, water heaters and associated accessories, installation, and
connections.
1.02 DOMESTIC HOT WATER:
A. Domestic hot water is to be supplied from gas-fired water heaters.
1.03 SUBMITTALS:
A. Product Data: Submit Product Data and installation instructions for each water heater and
accessory specified; clearly indicate rated capacities of selected models of water heaters.
B. Shop Drawings: Submit rough-in drawings with brand names for each item on each
sheet. Detail dimensions, rough-in requirements, required clearances, and methods of
assembly of components and anchorages.
C. Wiring Diagrams: Submit manufacturer’s electrical requirements and wiring diagrams for
power supply to water heaters. Clearly differentiate between portions of wiring that are
factory installed and portions that are field installed.
D. Maintenance Data: Submit maintenance data and spare parts list for each type of water
heater and accessory. Include this data, product data, and shop drawings in the
Operating and Maintenance Manual in accordance with the requirements of Division 23.
E. Submit certification of compliance with specified AGA, UL, NSF, and ASHRAE
requirements.
F. Submit certification of compliance with performance verification requirements specified in
this Section.
PART 2 – PRODUCTS
2.01 GAS-FIRED WATER HEATER (COMMERCIAL):
A. Approved manufacturers are State, Rudd, Rheem, A.O. Smith, Bradford-White, and
Lochinvar.
B. The water heater shall be gas-fired with automatic controls, including 100% shut-off in
case of loss of pilot and/or excessive tank water temperature. The design shall be certified
22 3400 - 1 DOMESTIC WATER HEATERS