Annual maintenance for water supply all works for the year 2026-27 in Colachel Municipality

Earth Work Excavation and Deposting on the Book with initial lead and lift of 10m and initial lift of 2m in Hard Stiff Clay , Stiff back cotton Hard red earth Muram gravel stong earth and earth mixed with small size boulders etc complete

Cutting of Cement concrete Road with all cost of Labour and Conveyance from the site with all Charges etc complete

Cutting the Bitumen Road with all cost of Labour Charges and Conveyance from the site with the all charges etc complete

Supply and delivery of following water supply specials as per standard specification

80 mm Sluice valve C.I. Heavy

100 mm Sluice valve C.I. Heavy

125 mm Sluice valve C.I. Heavy

150 mm Sluice valve C.I. Heavy

50 mm Gate valve Gun metal

80 mm Gate valve Gun metal

80 mm Non return valve Gun metal

80 mm CID Joint set

100 mm CID Joint set

125 mm CID Joint set

150 mm CID Joint set

25mm PVC pipes

32mm PVC pipes

40mm PVC pipes

63mm6Ksc PVC pipes

75mm6Ksc PVC pipes

90mm6Ksc PVC pipes

110mm6Ksc PVC pipes

140mm6Ksc PVC pipes

160mm 6Ksc PVC pipes

63 mm PVC Coupler

75 mm PVC Coupler

90 mm PVC Coupler

110 mm PVC Coupler

140 mm PVC Coupler

160 mm PVC Coupler

63 mm PVC Bend

75 mm PVC Bend

90 mm PVC Bend

110 mm PVC Bend

140 mm PVC Bend

160 mm PVC Bend

63 mm Equal Tee

75 mm Equal Tee

90 mm Equal Tee

110 mm Equal Tee

140 mm Equal Tee

160 mm Equal Tee

63 mm Threaded adaptor male/Female

75 mm Threaded adaptor male/Female

90 mm Threaded adaptor male/Female

110 mm Threaded adaptor male/Female

140 mm Threaded adaptor male/Female

160 mm Threaded adaptor male/Female

90 mm End cap

110 mm End cap

80mm GI Pipe

65mm GI Pipe

50mm GI Pipe

40mm GI Pipe

80 mm GI Bend

65 mm GI Bend

50 mm GI Bend

40 mm GI Bend

50 mm GI Flange set

65 mm GI Flange set

80 mm GI Flange set

100 mm GI Flange set

80 mm Hex Nipple

100 mm Hex Nipple

50mm Hex Nipple

65mm Hex Nipple

65mm Union

80 mm Union

100 mm Union

Nylon Rope for Bore-well

Laying and lowering GI Pipes and Specials to trench and laying to proper grade and alignment and directed by the TWAD officers including Conveyance of water for filling during testing .

15 mm to 40 mm GI Pipe

50 mm to 65 mm GI pipe

80mm to 150 mm GI pipe

Laying and lowering PVC Pipes and Specials to trench and laying to proper grade and alignment and directed by the TWAD officers including Conveyance of water for filling during testing .

up to 40mm PVC Pipe

50mm to 75mm PVC Pipe

90mm to 110mm PVC Pipe

125mm to 160mm PVC Pipe

Removing the burst Pvc pipes from the pipline and removal of slushy soil and bailing out water and replacing the pipeline with sound pipe including jointing and cost of refilling the pipeline with water for retesting the pipeline etc complete.

Upto 63mm dia (OD) PVC Pipes

75mm dia (OD) PVC Pipes

90mm dia (OD) PVC Pipes

110mm dia (OD) PVC Pipes

125mm dia (OD) PVC Pipes

140mm dia to 160mm dia (OD) PVC Pipes

180mm dia to 200mm dia (OD) PVC Pipes

Refilling the excavated earth including all cost etc Complete as per standered specification.

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