2.1.7.5
Hangers, Supports, and Shields
Design, selection, fabrication, installation, and spacing shall conform to
MSS SP-58 and MSS SP-69. Hangers, supports, rods, anchors, nuts, bolts,
and washers shall be hot-dip galvanized. Hangers and supports shall be of
the adjustable type.
2.1.7.6
Strainers
FS WW-S-2739 [single] [duplex] basket type, with inlet and outlet on the
same center line. Cast steel or fabricated steel body, [40 by 40] [[_____]
by [_____]] mesh ASTM 300-series stainless steel baskets. Open area of one
basket shall be 2 1/2-times inlet or outlet piping area. Furnish one spare
basket.
2.1.7.7
Gaskets
Provide one piece, factory cut, 1.60 mm 1/16 inch thick, gaskets resistant
to the effects of fuel oil and manufactured of fire-resistant materials.
Provide full-face gaskets for flat-face flanged joints, and ring gaskets
for raised-face flanged joints. Dimensions for gaskets shall be in
accordance with ASME B16.21.
2.1.7.8
Bolting
Material for bolts and studs ASTM A 307, Grade-B and for nuts ASTM A 194/A
194M, Grade-2. Dimensions of bolts, studs and nuts ANSI B18.2.1 and ASME
B18.2.2 with threads conforming to ASME B1.1 coarse type, with Class 2A fit
for bolts and studs, and Class 2B for nuts.
2.1.7.9
Sleeves in Masonry and Concrete Walls, Floors, Roofs
Provide ASTM A 53/A 53M, Schedule 40 or Standard Weight, zinc-coated steel
pipe sleeves.
2.1.7.10
Sleeves in Other Wall, Floor, and Roof Materials
Provide minimum 26 gage zinc-coated steel sheet sleeves in partitions and
other than masonry and concrete walls, floors, and roof.
2.1.7.11
Floor, Walls, and Ceiling Plates
Plates shall be painted cast-iron, malleable iron, or steel.
2.1.7.12
Identification for Piping Aboveground
Labels for pipes 20 mm 3/4 inch diameter and larger shall bear printed
legends to identify contents of pipes and arrows to show direction of flow.
Labels shall have color coded background to signify levels of hazard in
accordance with ANSI A13.1. Legends and type and size of characters shall
also conform to ANSI A13.1. Make labels of plastic sheet FS A-A-1689 with
pressure sensitivity suitable for intended applications, or they may be
premolded of plastic to fit over pipe. For pipes smaller than 20 mm 3/4
inch diameter, provide brass identification tags 40 mm 1 1/2 inches in
diameter with legends in depressed black filled characters.
SECTION 15192N
Page 15
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