Section 15010 Mechanical Provisions

a. Square-head bolts and heavy hexagon nuts, ANSI B18.2.1 and BI 8.2.2 and ASTM A 307 or A 576. b. Bolts underground, ASTM A 325. c. Sway brace shall conform to applicable requirements of MSS SP-58 and SP-69. Material used for members listed in Table shall … ................
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