Annual Routine Maintenance of hydro Mechanical and Electro Mechanical components of Virbhadra Barrage Pashulok, Rishikesh

Electrical Items :

Daily routine maintenance of all hydro mechanical & electromechanical components, equipment, machines & related structures of Virbhadra Barrage, Pashulok, Rishikesh as per operation and maintenance manual including arrangement of skilled, semiskilled, unskilled manpower for routine maintenance for twelve duty hours per day , including arrangement of necessary T&P and general consumables etc., required for proper completion of work as per direction of Engineer-in -charge.(One job means arrangement of manpower ,T&P and general consumable in one month)

Supply of SAN (Tree fiber) for gate sealing in dry condition free from any foreign material like dust, wooden pieces etc.

Supply of SUTALI in dry condition.

Providing of 12mm thick and 150mm wide S.S. Plate confirming to IS:410 including cost of cutting of SS plate and transportation but excluding cost of labour engage in cutting of SS plate (as already covered in item no.1).

Welding of S.S. Plate of 12mm thickness excluding cost of plate (as already covered at serial no. 5 & 6 ) by S.S welding electrodes including cost of welding electrodes,but excluding all labour,Jhula, sand filled bags Bundha, dewatering, grinding, T&P etc., required for proper completion of work (as already covered in item no.1).

Laying epoxy mortar/plaster in a ratio of 1kg. (Araldite Gy 257):1/2kg. (300 gm. hardener 2958+200 gm. hardener54): 6kg quartz sand including cost of all material, labour, T&P, Jhula etc. complete in all respect.

Repair of partial worn out under sluice / other bay track wheel body of under sluice /other bay gates by remetalling over damaged surface followed by grinding, turning, machining, polishing and finishing up to standard size, fit for Bearing No. 23228 & 23226. This includes cost of all material, labour, T&P required for grinding/turning/machining including cost of electrodes used for remetalling complete in all respects but excluding wages of welders, helpers and T&P required for welding (As already covered under in item no.1). It also includes cartage of wheel from barrage to workshop & back from workshop to Barrage.

Refurbishment of completely worn out EN-8 track wheel body of Under Sluice / Other Bay gates whose outer dia and width have decreased considerably due to continuous wear and tear. Refurbishment shall be done by complete remetalling over damaged and deteriorated outer, inner and side surface of wheel body followed by grinding, turning, polishing, drilling, threading in bolt holes and finish up to standard size of outer dia 500/470 mm, inner dia 250/230 mm and width 130/115 mm respectively for both type of wheels, inner dia shall be finished up to such an extent that it shall be fit for bearing No: 23228 & 23226. This includes cost of all material, labour, T&P required for grinding / turning /machining and cost of electrodes used for remetalling etc. complete in all respect but excluding wages of welders, helpers and T&P required for welding (as already covered in item no.1) remetalling shall be done by machineable MS welding electrodes with ISI mark special alloy electrodes. It also includes cartage of wheel from barrage to workshop & back from workshop to Barrage.

Repair of worn out M.S. eccentric pin of size 140mm and 265mm long track wheel assembly of under sluice/other bay gates respectively by complete remetalling over the whole surface followed by grinding, turning, machining, polishing and finishing up to standard size fit for Bearing No. 23228 & 23226 respectively. This includes cost of all material, labour, T&P required for grinding/turning/machining including cost of electrodes used for remetalling complete in all respects but excluding wages of welders, helpers and T&P required for welding. It also includes cartage of pin from barrage to workshop & back from workshop to barrage.

Repair of worn out cast-iron track wheel body of Head Regulator gates having outer dia 400 mm, inner dia 215 mm and 125 mm wide by remetalling over damaged part of outer, inner and side surface cas iron track wheel body followed by grinding, turning, polishing, drilling, threading and finish up to standard size, inner dia shall be finished up to such an extent that it could fit for bearing No: 7224. This includes cost of all material, labour, T&P required for grinding/turning/machining and cost of CI electrodes used for remetalling complete in all respects but excluding wages of welders, helpers and T&P required for welding( As already covered in item no.1). Remetalling shall be done by machineable Cast- Iron welding with ISI mark special alloy electrodes. It also includes cartage of wheel from barrage to workshop & back from workshop to Barrage.

Repair of worn out M.S. Eccentric Pin of size 120mm dia ,240mm long of guide wheel Head Regulator gates by remetalling over outer, inner and side surface of eccentric pinthen followed by turning, grinding, polishing and pin dia shall be finished up to such an extent fit for bearing No: 7224. This includes cost of all material, labour, T&P required for grinding/turning/machining ,cost of MS electrodes used for remetalling complete in all respects but excluding wages of welders, helpers and T&P required for welding(As already covered in item no.1). Remetalling shall be done by machine-able special alloy electrodes with ISI mark. It also includes cartage of wheel from barrage to workshop & back from workshop to Barrage.

Cutting,Grinding and Fixing of MS Plate of size 12/14/16 mm thick in double layer welding for strengthening of gates, including all material T&P, Jhula, labour etc, complete in all respect.

Providing of skilled manpower competent to perform hydromechanical works of barrage gates in two shift 16:00Hrs.To 24:00Hrs. and 24:00Hrs to 08:00Hrs. as and when required (Total nos. of skilled labour required in both shift = 8 Nos. per day)

Providing Crane Operator for Lifting & Lowering of Stop Log Gates during Maintenance of Under Sluice & Other Bay Gates.

GOGOAL HYDRO PVT. LTD.