2.2.3
Weathering Structural Steel
2.2.3.1
Bolts
ASTM A 325M ASTM A 325, Type 3; ASTM A 490M
ASTM A 490, Type 3.
2.2.3.2
Nuts
ASTM A 563M ASTM A 563, heavy hex style, Grade DH3, except Grade C3 may be
furnished forn ASTM A 325M ASTM A 325bolts.
2.2.3.3
Washers
ASTM F 436M ASTM F 436, weathering steel.
2.2.4
Foundation Anchorage
**************************************************************************
NOTE: For most jobs, ASTM A 307 anchor bolts are
used. If high tensile loads are anticipated, the
designer should consider the use of ASTM A 449
anchor bolts.
**************************************************************************
2.2.4.1
Bolts
ASTM A 307.
2.2.4.2
Nuts
ASTM A 563 ASTM A 563, Grade A, hex style.
2.2.4.3
Washers
ASTM F 844.
2.2.5
Load Indicator Washers
**************************************************************************
NOTE: Include bracketed phrase if load indicator
washers are to be galvanized.
**************************************************************************
ASTM F 959M ASTM F 959.
[Provide ASTM B 695, Class 50, Type 1 galvanizing.]
[2.2.6
Load Indicator Bolts
**************************************************************************
NOTE: Drawings or specifications should identify
where these items are used.
**************************************************************************
ASTM A 325M ASTM A 325, Type 1; ASTM A 490M ASTM A 490, Type 1, with a
manufactured notch between the bolt tip and threads. The bolt shall be
designed to react to the opposing rotational torques applied by the
installation wrench, with the bolt tip automatically shearing off when the
proper tension is obtained.
SECTION 05120
Page 18
Previous Page
