The work to be done generally includes removal and replacement of existing valves and appurtenances with new contractor provided valves and appurtenances at the sites listed below: a) Site No. 1 - Hot tap existing 30" steel main and installation of new (1) 6" blowoff assembly, including valves, fittings, appurtenances, couplings and thrust blocks. b) Site No. 2 - Replacement of (1) 6” gate valve inside vault with new a valve including fittings, appurtenances, and couplings. c) Site No. 3 - Replacement of (1) 6” plug valve inside vault with new gate valve including fittings, appurtenances, and couplings. d) Site No. 4 - Hot tap existing 30" steel main and installation of new (1) 6” blowoff assembly including valves, fittings, appurtenances, couplings, and thrust blocks. e) Site No. 5 - Replacement of manual ARV with (1) 4” AV/AR assembly with new valves including fittings, appurtenances, couplings, and thrust blocks. f) Site No. 6 - Installation of (1) 6” blowoff assembly inside vault including, valves fittings, appurtenances, couplings, and thrust blocks. g) Site No. 7 - Replacement of (1) 6” blowoff assembly including, valves fittings, appurtenances, couplings, and thrust blocks. h) Site No. 8 - Replacement of (1) 16” gate valve including fittings, appurtenances, couplings, and thrust blocks. Install 16” insertion valve.
