TranSystems Corporation - LGM Construction

501070099 Federal Express Oakland Sort Expansion Issued for Bid 10/11
C. Hangers provided for insulated lines shall be sized for the outside diameter of the applied
insulation. Provide temporary wooden blocks, properly sized for the insulation thickness, which
will accurately center the pipe in the hanger and enable the insulation to be applied without
disturbing hanger settings.
D. Black steel hangers and supports shall be protected from corrosion by painting with suitable
coating.
E. Hangers - Insulated Piping - Hangers used with insulated piping shall be sized to accommodate
the pipe and insulation, and shall have a support shield, as specified in SECTION 15250 -
INSULATION, to prevent the hanger from compressing the insulation. Hanger shall be clevis type
with rod and double nuts and washers. Hangers shall be black, Anvil Figure 260, or similar by B-
Line or Michigan Hanger.
F. Hangers - Bare Ferrous Piping - Hangers for bare ferrous pipe shall be the clevis type with rod and
double nuts and washers. Hanger shall be black, Anvil Figure 260, or similar by B-Line or
Michigan Hanger.
G. Hangers - Bare Copper Piping - Hangers for bare copper pipe shall be clevis type with rod and
double nuts and washers, and shall be copper plated. Hanger shall be Anvil Figure CT-65 or
similar by B-Line or Michigan Hanger.
H. Vertical piping shall be supported and laterally braced in intervals not exceeding 15 feet. Support
vertical piping with clamp installed below coupling or hub. Clamp assembly shall be black, Anvil
Figure 138 R (Non-Insulated Ferrous Pipe, 3/8 - 3 inch), black, Anvil Figure 261 (Insulated or Non-
Insulated Ferrous Pipe, 3/4 - 20 inch), copper plated Anvil Figure CT-122 R (Copper Tubing, 1/2 -
2 inch), copper plated Anvil Figure CT-121 (Copper Tubing, 1/2 -4 inch), or similar by B-Line.
2.12 BEAM CLAMPS AND ATTACHMENTS
A. Beam clamps for pipe sizes 3 inch and smaller - Clamps for attachment to I-beam or steel joists
shall be malleable iron C-clamps with hardened steel cup point set screw, locknut and retaining
clip (I-beam clamp). Clamp shall be Grinnell Figure 86 (I-beam clamp), Figure 93 or 94 (steel joist)
or similar by Michigan Hanger.
B. Beam clamps for pipe sizes 4 inch and larger - Clamps for attachment to I-beam or steel joists
shall be malleable iron jaw steel tie rod, nuts and washer. Clamp shall be Grinnell Figure 228,
229, or 292.
C. Fastening devices for material other than steel beams or joists shall be of equal quality and
construction.
D. Provide alternate means of attachment for tube steel building construction.
2.13 SLEEVES
A. Sleeves shall be standard weight galvanized steel pipe with welded anchor lugs.
2.14 ESCUTCHEON PLATES
A. Galvanized escutcheons or plates shall be securely fastened around pipes that are exposed where
they pass through wall, ceilings, or floors.
BASIC MATERIALS AND METHODS 15050-8