FISHER 67DF-2343 Pressure Regulator
Backfilling and Reinstatement Backfilling and reinstatement of the trench shall be in accordance with the requirements of the authority (e.g. municipality. MOC, etc.) under whose jurisdiction the area falls. Warning tapes shall be laid in the backfill.
• All concrete surfaces in contact with ground shall be provided with two (2) layers of polyethylene vapor barrier / Each layer shall be six (6) Mil Thickness and in Accordance with ASTM-2103.
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• Concreting shall not be allowed with out vibration at any time.
• Curing of concrete shall be done by gunny bags for curing compound.
• Cement shall be type 1 and in areas having water logging and salinity, Sulphate resistant cement type 5 may be used. SEC Engineer shall direct to the type of cement to be used.
• Water shall be free from silt, organic matter, alkalies or other impurities.
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