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Home / DOT Specifications / Pennsylvania / Publication 408 — Specifications / 1111
Manufactured Material (1100-1199)

1111HIGH LOAD MULTI-ROTATIONAL BEARINGS

PA · 2026 Standard SpecificationsBook pages 1266–1270View official source ↗

1105.02(c) 1105.02 (d)

either straight or bent) and cap screws, hot dip or mechanically galvanize as specified in Section 1105.02(s).

2.a Nuts. ASTM A 563, of suitable style according to the contract documents . Hot dip or mechanically

galvanize to match anchor bolt coating process as specified in Section 1105.02(s) . Galvanized nuts must be Grade DH . Overtap and lubricate galvanized nuts according to ASTM A563. Overtap only to the minimum extent necessary to allow assembly on the bolt threads.

2.b Washers. ASTM F 436, Type 1, hot dip or mechanically galvanize as specified in Section 1105.02(s).
3.Anchor Bolts. ASTM F 1554 , Grades 36, 55, 105, anchor bolts (headed or non- headed, either straight

or bent) and cap screws (fully threaded shank) , hot dip or mechanically galvanize as specified in Section

3.a Nuts. ASTM A 563, of suitable style according to ASTM F 1554, Section 6. 7, unless otherwise specified in the contract documents. Hot dip or mechanically galvanize to match anchor bolt coating process as specified in Section 1105.02(s). Galvanized nuts must be Grade DH. Overtap and lubricate galvanized nuts according to ASTM A 563. Overtap only to the minimum extent necessary to allow assembly on the bolt threads. 3.b Washers. ASTM F436, Type 1, hot dip or mechanically galvanize as specified in Section 1105.02(s) .

(d)High -Strength Bolt Assemblies. Provide high- strength, heat treated, steel structural bolts, suitable

nuts, hardened washers and, if specified, direct tension indicator devices (DTIs) for structural joints, from manufacturers listed in Bulletin 15, and unless otherwise indicated or specified, conforming to the following requirements: For painted, galvanized or metalized steel structures, including coated portions of weathering steel structures, use Type 1 bolts, nuts, and washers mechanically galvanized (except ASTM F3125 Grade A490 assemblies) according to ASTM B695 as specified in Section 1105.02(s). ASTM F3125 Grade A490 bolts, if approved for use, must not be galvanized under any circumstances. Galvanize d bolts, nuts , and washers of an assembly must each be galvanized by the same process. For uncoated, bare AASHTO M 270 ( ASTM A 709), Grades 50W, HPS 50W, HPS 70W, or HPS 100W weathering steel structures , use plain (uncoated) Type 3 bolts, nuts, and washers conforming to atmospheric corrosion resistance requirements of AASHTO M 270 ( ASTM A709), Grade 50W. Perform testing of bolts, nuts , and washers, including initial rotational capacity testing of assemblies , as specified in Section 1105.02(d)7 below.

1.Identifying Marks. Permanently mark a ll bolts, nuts , and washers by the respective manufacturers

in

Source: Pennsylvania Department of Transportation Specifications, 2026 Edition. Pages 1266–1270 of 1,522.
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