Details: bill no 1a zone 1 : distribution main in kannigapuram area supply, delivery ,laying and jointing di pipes of the following sizes of socket @ spigot end, push - on - joint di pipes of classification k7 conforming to is: 8329/2000 in standard lengths with cement mortar lining inside and outside zinc coating, including making rubber joints and cost of rubber gasket, labour charges for loading,unloading and stacking at the site etc as directed by the engineer at site ,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 10m and lift of 2m conveying to the site of work, lowering into the trenches, aligning, refilling the trenches with excavated soil, watering and ramming to consolidation, disposal of surplus earth etc . complete for the pipes of following diametres at the following depths. 100mm at
Sector: Water supply and Sewerage