Description: Replacing the damaged 250mm dia existing CI Sewer main by laying 250 mm dia DWC pipe in Pillaiyar Kovil Street Name of Work Replacing the damaged 250mm dia existing CI Sewer main by laying 250 mm dia DWC pipe in Pillaiyar Kovil Street at Thirumazhisai Town Panchayat
Details: Barrication work along one side of the trench for laying the pipe line with casuarina post at 1.52m centre to centre (8 to 10 cm dia. and 1.52m height) verticals, painting the verticalposts in different colours, tieing with coir rope, fixing danger flags, danger lights, reflectors including watching during night for 1 metre. Supply and Delivery of DWC Structured Wall Polyethylene PipingSystems(Pipewithonline/offlinecouplerandelastomericsealingring)with required specialsnon smooth external annular corrugated and smooth internal surface(Doublewall) (SN8Class) for non pressure underground sewerage,drainage application generally as per IS-16098 (Part-2) type B. Laying DWC pipes including earthwork excavation for trenches in hard stiffclay,blackcotton,hardredearth,shales,murams,gravel,stoney earthan dearth mixed with smallsize boulder sandhard gravelly soild epositing the earth on bank swithinitiallead of 10 mand initiall if to f2m carting th epipes from any of the Board’s Stores to the si
Sector: RDPR