Providing Collection System at Padmavathy Srinivasan Nagar in Depot 79 Area VII

Cutting asphalitc concrete road

Non bus route

Supply and Delivery of 250 mm dia DWC Structured Wall Polyethylene Piping Systems (Pipe with online/offline coupler and elastomeric sealing ring) with required specials non-smooth external annular corrugated and smooth interna lsurface (Double wall) (SN8 Class) 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 stiff clay, blackcotton, hard red earth, shales, murams, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil depositing the earth on banks with initial lead of 10 m and initial lift of 2m carting the pipes from any of the Board’s Stores to the site of work lowering into the trenches, aligning, watering and ramming to consolidation, etc., complete for the pipes of following diametres. (Timbering included for Depths 2.50m,3.00m,3.50m,4.00m & 4.50m)

250 mm dia at 1.5m depth

250 mm dia at 2.0m depth

250 mm dia at 2.5m depth

250 mm dia at 3.0m depth

250 mm dia at 3.5m depth

250 mm dia at 4.0m depth