Providing connectivity by rerouting of the existing DWSS pillur II scheme pipeline through Pillur III tunnel by laying and connecting 1219mmdia MS pipe for Coimbatore Corporation at kattan hills.

Amount

Supply and delivery of following sizes of spirally welded MS pipe as per IS 3589 / 2001 with internal Cement Mortar lining of 6mm to 12 mm thick per metre and CMC external 20mm thick per metre including cost of conveyance charges. Ø1219mmx11mm length 6m

Supply. Delivery and fabrication of MS specials without inside lining and outside coating but one coat of anti rust paint 1219 mm dia main using 11 mm thick plate, jointing materials, cutting, welding , labour charges etc complete as directed by Corporation OfficersØ1219mm90 deg bend for length 3m (3.14*1.219*0.011*3*7850)

Laying and jointing of 1219mm dia x 11mm thick of MS pipe along the slope portion of Kattan hills and as directed by departmental officers. The work involves the following: 1. Conveying of pipe from Tunnel entry point and stacking 2. Site Clearing, Levelling of site along with pipe line alignment 3.Conveying and Laying of Rail track using ISMB for the entire portion to proper grade and alignment including cost rails and sleepers 4.Laying of 1219mm dia MS pipe using winch arrangement including cost of DG set, etc, specials, tools and plant required. Ø1219mmx11mm

Providing THRUST BLOCK wherever necessary including cost of earthwork, sand filling, Levelling course 1:4:8, R.C.C.1:1.5:3, Reinforcement, fabricating centering, shuttering and strutting and cost of all materials,mixing placing in position lifting finishing and curing etc complete and as directed by departmental Officers.Ø1219mmx90 deg

Supply and delivery of M.S clampsets to suit 1219mm dia MS pipes with flat size 300mm x 10 mm for a length of 3.50m including cutting, fabrication, welding, painting etc. complete as directed by corporation officers

Earth work excavation and depositing on bank with an initial lead of 10m and lift of 2 m in all soil, hard stiff clay, black cotton, earth mixed with boulders etc., for leak attending works etc., complete and as directed by Corporation Officers.

In hard stiff clay, stiff black cotton hard red earth, shales, murams gravel stoney earth and earth mixed with small size boulders.(SS 20B)(0-2m below GL)

In Soft Disintegrated Rock, Laterite, soft rock or kankar, not requiring blasting(0-2m below GL)

In Medium rock and Dense medium rock requiring blasting.(0-2m below GL)

Hard rock by wedging, chiselling and trimming to proper shape where blasting is prohibited, including all charges etc complete

Providing Pedastal wherever necessary including cost of earthwork, sand filling, Levelling course 1:3:6, R.C.C.1:1:2, Reinforcement, fabricating centering, shuttering and strutting and cost of all materials,mixing placing in position lifting finishing and curing etc complete and as directed by departmental Officers.Ø1219mmx90 deg

Testing of DI /MS pipes with hydraulic testing equipment by filling with water (including cost of water @ Rs.60/KL) and testing to recommended pressure in convenient stetches and attending the bursts if any occurred during the test, excluding the cost of pipes, including other incidential and operational charges etc., complete Ø1219mmx11mm

Refilling the trench with excavated earth (other than sand) in layers, well rammed and consolidated as per standard specifications etc., complete and as directed by the departmental officers.

FOR INTER CONNECTION WORK AT LS 10850m with 1200mm MS pipeline-Supply and delivery of following sizes of spirally welded MS pipe as per IS 3589 / 2001 with internal Cement Mortar lining of 6mm to 12 mm thick per metre and CMC external 20mm thick,Cutting MS Pipes true to axis and finishing the ends ,Laying and jointing of 1219mm dia x11mm thick of MS pipe ,MS Dummy plate 1219 MM dia and 20 mm thick with ms flange and specials,200 mm dia kinetic air valve ,200 mm dia Sluice valve and 200 mm dia ms pipe the trench and laying to proper grade and alignment and as directed by Corporation Officers

FOR INTER CONNECTION WORK at LS 12170m with 1500mm PSC pipeline-Earth work excavation and depositing on bank with an initial lead of 10m and lift of 2 m in all soil, hard stiff clay, black cotton, earth mixed with boulders etc.Dewatering using 7.5 HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges,welded MS pipe,Lowering of M.S pipes and specials 200 mm dia kinetic air valve,Sluice valve ,and MS PIPE of size219 mm X 2.6 MM thick etc., and as directed by Corporation Officers.