guidance in TI 809-04 and ASTM E 580 [as shown on the drawings].
2.3
HANGERS
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NOTE: Construction drawings should include a detail
drawing showing splayed and countersplayed
suspension system hanger wires.
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Hangers and attachment shall support a minimum 1330 N 300 pound ultimate
vertical load without failure of supporting material or attachment.
2.3.1
Wires
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NOTE: Select stainless steel or nickel copper alloy
wire for facilities where high humidity can be
expected such as large kitchens, dishwashing areas,
indoor swimming pools, etc. Select zinc-coated
steel wire for other locations.
When spacing of hanger wires exceeds 1200 mm (4
feet) or when heavy loads are supported, 3.4 or 4.1
mm (8 or 10 gage) wire should be specified.
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Wires shall conform to [ASTM A 641/A 641M, Class 1, [2.7] [_____] mm
[0.106] [_____] inches in diameter.] [ASTM A 580/A 580M, composition 302 or
304, condition annealed stainless steel, [2.7] [_____] mm [0.1055] [_____]
inches in diameter.]
2.3.2
Straps
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NOTE: Normally wire hangers should be used. If the
project is in an area subject to violent storms,
steel strap or rod hangers should be specified.
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Straps shall be 25 by 5 mm 1 by 3/16 inch galvanized steel conforming to
ASTM A 653/A 653M, with a light commercial zinc coating or ASTM A 1008/A
1008Mwith an electrodeposited zinc coating conforming to ASTM B 633, Type
RS.
2.3.3
Rods
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NOTE: Normally wire hangers should be used. If the
project is in an area subject to violent storms,
steel strap or rod hangers should be specified.
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Rods shall be 5 mm 3/16 inch diameter threaded steel rods, zinc or cadmium
coated.
2.4
ACCESS PANELS
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SECTION 09510
Page 18
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