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Home / DOT Specifications / Maine / Standard Specifications — Highways and Bridges / 709
Division 700 — Materials

709Reinforcing Steel and Welded Steel Wire Fabric

ME · 2020 Standard Specifications✓ Full text on BuildSpecBook pages 726–727 Save this section

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SECTION 709 - REINFORCING STEEL AND WELDED STEEL WIRE FABRIC

709.01 Reinforcing Steel Reinforcing steel, whether plain, galvanized, epoxy coated, or

zinc and epoxy dual-coated, shall be deformed bars conforming to the requirements of AASHTO M31 (ASTM A615). Bars shall be Grade 60 unless otherwise specified on the Plans. Epoxy coated reinforcing steel shall also conform to the requirements of AASHTO M284 (ASTM A775). The requirements of AASHTO M284 (ASTM A775), Sections 5.2.1, 5.3, 5.4, and 15.1 shall be mandatory. Zinc and epoxy dual-coated reinforcing steel shall conform to the requirements of ASTM A1055. Low-carbon, chromium, reinforcing steel shall be deformed bars conforming to the requirements of ASTM A1035. Bars shall be Grade 100 unless otherwise specified on the Plans. Stainless Steel Reinforcement shall be deformed stainless stee l bars conforming to the requirements of ASTM A955. Bars shall be at a minimum Grade 60, unless otherwise specified on the Plans. The chemical composition shall conform to one of the types listed 7-22 in Table 2 of ASTM A955 or UNS S32304 Duplex. Heat treatment condition per ASTM A955 is hot rolled. Bars shall be finished in accordance with ASTM A955, section 15. Fabricated deformed steel reinforcing grids shall conform to t he requirements of AASHTO M54 (ASTM A184). Welding and welder qualifications for reinforcing bar grids shall conform to the requirements in Section 503.

709.02 Welded Steel Wire Fabric Welded steel wire fabric shall meet the requirements

of AASHTO M 336 Standard Specification for Steel Wire and Welded Wire, Plain, and Deformed, for Concrete Reinforcement.

709.03 Steel Strand Prestressing strand shall meet the requirements of AASHTO M

203 Steel Strand, Uncoated Seven-Wire for Concrete Reinforcement. Lateral post-tensioned strands for pre-cast/post-tensioned concrete products shall be 0.600 inch diameter AASHTO M 203 strand with a corrosion inhibitive coating covered with an extruded polypropylene sheath.

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Source: Standard Specifications — Highways and Bridges, 2020 Edition. Pages 726–727 of 817. View official source ↗
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709.01 Reinforcing Steel Reinforcing steel, whether plain, galvanized, epoxy

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