Renewal of existing under ground drainage main overflow problem at Thiruvalluvar nagar 2nd street and maruthu pandiyar street in ward 15

Amount

Removing the Existing Paver block M40grade 80mm thick & 60mm thick in the the rate including Removing and Stock to the Same Site and tranporting loading unloading and Labour Charges and Other tools etc.complete as per standard specification,.

Earthwork excavating and depositing on bank with an initial lead of 10metres and initial lift of 2 metres in Hard stiff clay, stiff black cotton, Hard red earth, shales, murram, gravel, stoney earth, and earth mixed with small size boulders and hard gravelly soil etc., complete.,

Construction of manhole at various depth to invert including earth work excavation as per SS 20B laying cement concrete 1:3:6 , using 40mm jelly for foundation , sinking well kerp below GL for 4.50m depth and above pumping ,timbering charges for 2.50m depth and stock brick work in CM 1:3 , for 23cm wall and plastering interior with CM 1:3 , 12mm tk laying plain cement concrete 1:3:6, using 12 to 20mm jelly fixing to frame , providing CI steps , manhole refilling the trenches with quarry dust etc, complete for the follow size for earth manhole - 1.0 M DEPTH

1.5 M DEPTH

Supplying Laying and joiniting of 200mm dia UPVC SN8-SDR 34(S 16 5) Pipes for use in Under Ground Drainage and Sewerage System as per IS 15328/2003 Pipe including laying pipes and specials in trenches to proper grade and alignment and as directed by the departmental exinect in charge.

Lowering PVC/ DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste. TWAD P.N 171 24-25 200mm

Refilling the trenches with suitable excavated earth available along the allignment after the pipes &specials are laid joimted &tested in layers &watering ramming &consolidation directed by the engineer in charge (madurai corpration) 24-25

Dewatering the trenches during excavation and layhing jointing of sewers by engaging diesel pumpset up to 10 H.P & fuel ,crew,hire chatges transportation and all oyher items of work complete as per standard specifications and as directed by engineer (TWAD BOARD) P.NO 207 24-25

ReFixing of Existing Removed Paver block M40grade 80mm thick & 60mm thick in uniform shape of approved make to be laid influrring bone pattern with stone dust cushion below the uniform shap of approved non skitting surface in the top and the rate including levelling the base preparation of pavers as sub base, stone dust cushion 150mm thick laying out of pavement cut the pieces to fix the edge vibring the pavers, sweeping tranporting loading unloading of laying paver block as per standard specification,.

Add GST 18%

R ARUMUGAM (BID ID -1278938)