substitution request - Alliance Construction Solutions

K. Steel Flanges/Fittings: ANSI B16.5, ASTM A-234 (Fire Protection) including bolting and
gasketing of the following material group, end connections and facings, except as
otherwise indicated.
Material Group: Group 1.1.
End Connections: Buttwelding.
Facings: Raised-face.
L. Steel Pipe Flanges for Waterworks Service: AWWA C-207 (water service piping only).
M. Corrosion-Resistant Cast Flanges/Fittings: MSS SP-51, including bolting and gasketing
(threaded where pressure is not critical).
N. Forged-Steel Socket-Welding and Threaded Fittings: ANSI B16.11, except MSS SP-79 for
threaded reducer inserts; rated to match schedule of connected pipe (up to 4” pipe size).
O. Wrought-Steel Buttwelding Fittings: ANSI B16.9, except ANSI B16.28 for short-radius
elbows and returns; rated to match connected pipe.
P. Stainless-Steel Buttwelding Fittings: MSS SP-43.
Q. Stainless-Steel Vic Press 304 Fittings: Use with ½” through 2” Schedule 10S, Type
304/304L stainless steel piping systems up to a maximum 500 psig. Precision cold drawn
stainless steel fittings with Grade “H” HNBR suitable for potable water up to 210 deg. F or
Grade “E” EPDM suitable for hot water up to 250 deg. F and pressure-sealed ends.
R. Stainless-Steel Grooved End Fittings: ANSI /AWWA C606.
S. Cast-Iron Threaded Drainage Fittings: ANSI B16.12.
T. Forged Branch-Connection Fittings: Except as otherwise indicated, provide type as
determined by Installer to comply with installation requirements.
U. Pipe Nipples: Fabricated from same pipe as used for connected pipe; except do not use
less than Schedule 80 pipe where length remaining unthreaded is less than 1-1/2” and
where pipe size is less than 1-1/2”, and do not thread nipples full length (no closenipples).
2.03 COPPER TUBE AND FITTINGS:
A. Copper Tube: ASTM B-88; Type K or L as indicated for each service; hard-drawn
tempered, except as otherwise indicated.
B. DWV Copper Tube: ASTM B-306.
C. ACR Copper Tube: ASTM B-280.
D. Cast-Copper Solder-Joint Fittings: ANSI B16.18.
E. Wrought-Copper Solder-Joint Fittings: ANSI B16.22.
F. Cast-Copper Solder-joint Drainage Fittings: ANSI B16.23 (drainage and vent with DWV
or tube).
Project No.: 10145
550 15th Street Dual Brand Hotel
03/16/2012
23 2113 - 4 HYDRONIC PIPING