Attending Leak arresting work, Fixing of Sluice valve, Replacement of damaged Air Valve Ball in water supply main in various location of Ward no 7, 36, 37, 38 39

Amount

Earth work excavation and depositing on bank with initial lead of 10m and lift of 2 M in narrow trenches having bed width 1.25M & and below for laying of pipes for water supply in the following type of soils Hard stiff clay, stiff black cotton, hard red earth, shale's, murram gravel , stoney earth and earth mixed with small size boulders and hard gravelly soil, as directed by Departmental officers (TWAD SOR - 2022 - 23 Rate of Earth work 1-b Pg.no:291)

90mm PVC Pipe

Supplying of the following pipe and specials including all cost and conveyance of all labour charges and materials charges etc completed as per std specification.

90 mm PVC 4 KSC pipe

90 mm PVC Coupler

90 mm PVC Elbow

80 mm GI Pipe

80 mm Sluice Value

90 mm Threaded Coupler

Air Valve Ball

Lowering PVC / DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste. (TWAD SOR - 2022 - 23 Rates for works - item No - 11 - b pg.no.268)

90mm PVC 4 Ksc Pipe

Refilling the excavated earth including all cost of labour charges etc complete as per std specifications (TWAD SOR 2022 - 23 Rate for 19(b) pg.no . 286)

Linking and Jointing the Proposed pipe line with Existing pipe line including all labour charges etc complete as per std specification (Local Rate)

Fixing of Sluice / Non return / Air Valve with pipe line including all labour charges etc complete as per std specifications (Local rate)

Dismantling of the Air Valve, Removing the damaged Air Valve ball Clearing inner side, fixing the new Air Valve ball, Covering the plate and fixing other accessories and put forth to normal functioning etc., complete including all labour charges as per standard specification (Local Rate)

Dewatering using 5 HP diesel engine pump set including hire charger, cost at Diesel, Engine Oil, Pump operator, labour charges, conveyance of pump set and fuel to site and back, loading unloading and any unconditional charges etc., complete.

Lowering GI pipe and specials in the trenches and laying to proper grade and alignment (Schedule of rate IV (A) 7b page 259. 80mm GI pipe Samathanapuram near Church Culvert ward 7 Near DRO Sump ward 38 & 39