Section 15010 Mechanical Provisions

B. Pipes shall be labeled with all-vinyl, self-sticking labels or letter. For pipe covering sizes up to and including 1 ¼-inch outside diameter, select labels with ½-inch letters. For sizes from 1 ½-inch through 2-inch outside diameter, ¾-inch letters; for sizes from 2 1/2-inch through 6 inch outside diameter… ................
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