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Home / DOT Specifications / Maine / Standard Specifications — Highways and Bridges / 716
Division 700 — Materials

716Structural Aluminum and Related Material

ME · 2020 Standard Specifications✓ Full text on BuildSpecBook pages 757–758 Save this section

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716.01Aluminum Railings

a.Aluminum Extrusions Traffic rails, hand rails, splice bars, and pales brackets shall

conform to the requirements of ASTM B 221, Alloy 6061-T6 or 6351-T5. Post and post bases shall conform to the requirements of ASTM B 221, Alloy 6061-T6. Pales shall conform to the requirements of ASTM B429 Alloy 6063-T5. Washers shall conform to the requirements of ASTM B 209, Alloy Alclad 2024-T4.

b.Aluminum Rivets Rivets shall conform to the requirements of ASTM B 316, Alloy

6061-T6 (cold heading). Rivets shall have a button type manufactured head. Self- plugging, aluminum blind fasteners for pale panels shall meet the following requirements: 1) Sleeve-ASTM B 211, Alloy 5056 (Stabilized), 2) Pin - ASTM B 211, Alloy 2017 (Naturally Aged). The driven fastener shall meet the requirements for ultimate shear and tensile strength of Military Specification MIL-R-7885.

c.Miscellaneous Aluminum Parts Rail caps shall be either sand cast or permanent-mold

cast and shall conform to the requirements of ASTM B 26 or ASTM B 108, Alloy A 356-T6. All aluminum bars and plates shall conform to the requirements of ASTM B 209, Alloy 6061-T6. Standard structural shapes conform to the requirements of ASTM Specification B 308.

d.Steel Anchor Assembly Steel spacers for post anchors shall conform to the

requirements of ASTM A 36. Nuts embedded in concrete shall conform to the requirements of ASTM A 307. Anchor bolts, exposed nuts and washers shall conform to the re quirements of ASTM A 449 or ASTM F 1554, Grade 55 and shall be hot dipped galvanized in accordance with ASTM A 153 or ASTM B 695, Class 50, Type 1.

e.Stainless Steel Parts Cap screws, for fastening clamp bars and set screws for pale-

panel brackets shall conform to the requirements of ASTM F 593, Alloy Group 1, Condition CW.

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Source: Standard Specifications — Highways and Bridges, 2020 Edition. Pages 757–758 of 817. View official source ↗
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