Rehabilitation and Improvement of Adwa Dam (Mechanical Works) in Mirzapur district of Uttar Pradesh under DRIP-II

Amount

Renovation/Repair of Adwa Dam Spillway Gate, Gate Size - 12.19 X 7.01 Mtr., 08 no

Manufacturing of end box of gate by detaching of end box from gate with the help of jigs and fixture, jack and hammering cutting lock plate . Dismantling all roller from gate and taking out roller on collective place with safety without any damage. Manufacturing of new end box/ roller cover made of MS plate 12.0 mm thick and welded double plate from bottom of gate to 1.65 meter height for more strength of bottom roller with cutting of plate in proper size by gas and edge preparation of all cutting surface by proper finishing as site requirement . Testing and trial of gate after assembling of end box & roller assembly in gate and checking with loading and unloading with proper alignment including cost of labour , material , scaffolding etc as required for proper completion of work. (Gate No.4&5)

Fabrication and erection of new CS roller of OD 400.0 mm , ID – 180.0 mm and width 120.0 mm with 2 No 6220 bearing , O ring , oil seal etc . New roller fitting in gate with proper alignment and checking , trial and testing with gate operation on load and no load including loading , unloading , fitting , cost of labour , material , scaffolding etc as required for proper completion of work. (Gate No.4&5)

Replacing and renovation of roller guide length of 1.26 meter ( As per sample )by Dismantling / extracting old and damaged roller path / roller guide from piers by hammering . Opening housing bolt by cutting / hammering .Roller guide taking out from river bed to store. Replacing roller guide and fixing by grouting 10” long bolts. Erection of roller guide aligning roller path / roller guide in vertical way and making cement concrete base for setting in position and other part of roller path renovate by welding , grinding and hammering process etc including cost of material labour and T&P required for proper completion of work.( 04 No pieces guide in one side of each gate) (Gate No.4&5)

Manufacturing of new guide place (Guide plate supporting plate) with the help of MS plate 06 mm thick size 1.50 mtr width and 12.0 mtr Depth. Cutting of plate in proper size by gas and edge preparation of all cutting surface by proper finishing as site requirement. Fixing guide in pier in proper alignment with the help of counter shunk bolt and nut. Bolt grouting in pier and guide place tight by nut. Testing and trial of gate with proper alignment including cost of labour , material , scaffolding etc as required for proper completion of work. (Gate No.4&5)

Renovation of bottom sill beam by cutting and grinding of damage place of sill . Filling metal in damage part of sill by welding . After filling of metal surface should be properly grinding by grinding machine and make smooth. After above the process getting down the gate and inspect carefully with gate operation .If dent or bent in bottom of gate then also renovate the bottom of gate by cutting damage part , hammering on bent part and welding also including cost of labour , material , scaffolding etc as required for proper completion of work. (Gate No.4&5)

Replacing of bottom rubber seal size 85x20 mm as per IS Code11855 by removing old / damaged side rubber seal from gate , scraping & cleaning surface making holes fixing and clamping new MS plate by new counter shank head high tensile bolt , nut & washer making adjustment as per requirements of site including cost of all material , labour , T&P etc for proper completion of work. (Gate No.4&5)

Replacing of musical note type side rubber seal size 150x44x12 mm as per IS Code11855 with new guide plate by removing old / damaged side rubber seal from gate , scraping & cleaning surface making holes fixing and clamping new MS plate by new counter shank head high tensile bolt , nut & washer making adjustment as per requirements of site including cost of all material , labour , T&P etc for proper completion of work. (Gate No.4&5)

Painting of gate and appurtenance by applying one coat of red oxide zinc chromate and two coat of high build black bituminous paint of only Berger/Asian paint after surface should be prepared by proper cleaning , scraping, wire brushing, machine brushing and grinding and any heavy layer of rust should be removed by chipping visible oil, grease and other foreign material should be cleaned as per IS code 1477-1994 including cost of all material, labour T&P and scaffolding bridge as required for proper completion of work.(Gate No.01-08)

Sluice gate No. 01 ( Sluice gate) Gate Size - 2.15 X 2.18 Mtr., 1 no

Making temporary plateform in well for operation of sluice gate by arranging chequered plate, girder, bellies, scaffolding channel etc. for compact and suitable plate form for holding gate. After repairing gate and completion of work plate form will be dismantled. Plate form shall be done 40 feet below from ground level.

Detaching sluice gate with lifting mechanism such as spindle/screw rod, lifting rod, winch crab machine, supporting bracket etc. including cost of material, labour and t&p etc. for proper completion of work.

Straightening, aligning and strengthening of screw rod and providing 65 mm dia 3.30 mtr long lifting rod 2 no with the help of zigs& fixture, vice ,jack, press machine and hammering and welding, grinding and making proper shape and size including cost of material, labour and t&p etc. for proper completion of work.

Renovation of screw rod for making screw thread 60 mm dia, 2.50 mtr long by cleaning, remetaling, machinable welding, grinding and turning then threading in square thread in regular shape & size for smooth running and lifting screw chuck nut by replacing g.m. bush with costing , molding, turning, boring, finishing and threading as per sample including cost of material, labour and t&p etc. for proper completion of work.

Renovation of damaged and pitted roller by welding of C.I. welding electrode then turning and finishing in proper shape and size as per sample and assembling of roller including cost of all material, labour and t&p etc. for proper completion of work.

Replacement of bottom rubber seal/top rubber seal by removing old/ damaged rubber seal, scraping & cleaning surface making a new rubber seal size 100 mm x 20 mm thick( As per IS 11855) , making hole, fixing the rubber seal on gate , clamping the m.s. plate by new hexagonal high tensile nut and bolt including cost of material, labour and t&p. etc. for proper completion of work.

Replacement of side rubber seal by removing old/ damaged rubber seal, scraping & cleaning surface making a new rubber seal size 150 x 12 mm thick with 44 mm dianote( As per IS 11855) , making hole, fixing the rubber seal on gate , clamping the m.s. plate by new hexagonal high tensile nut and bolt including cost of material, labour and t&p etc. for proper completion of work.

fabrication of top rubber seal, bottom rubber seal & side rubber seal. steel plate of m.s. plate 10 mm thick 75 mm wide and angle 65x65x6 mm thick of different length after cutting 10 mm thick plate facing and grinding the edge a plate straightening & aligning of plate for fixing in gate , vertical and horizontal position properly as required.

Strengthening of shutter assembly of emergency sluice gate with hiring of t&p for detaching gate by cutting, lifting at suitable plate form for operating the gate with dismantling the gate and its allied parts with cutting of old and damaged portion skin plate and providing new m.s. plate 10 mm thick , measuring, marking, cutting, welding, with edge preparation and fixing the gate including cost of material, labor and t&p etc. for proper completion of work.

Renovation of winch crab system by dismantling Complete Unit of Winch machine, extracting pinion by Hydraulic puller, dismantling gear from shaft and checking alignment on lath m/c, repairing key way, remetaling and finishing of gear and pinion, strengthening pinion shaft by using thrust bearing 51212 and 51213 including cost of all material, labour and t&p etc. for proper completion of work.

Renovation of guide roller ( side sway roller) by taking out defective guide roller from gate, rethreading of foundation hole after extracting broken foundation bolt , repairing of pin by remetaling by welding, machining of roller shaft , assembling the guide roller and fitting on gate with new foundation bolts and necessary oiling , greasing including cost of material, labour and t&p etc. for proper completion of work.

Providing and fitting chaquierd plate 6 mm thick size 90 cm x 75 cm making well cover and supporting bracket for lifting rod made of 65x65x8 mm thick angle and repairing of ladder 20 mm diam.s. rod by cutting, bending, and fixing with old grouted embedment plate including cost of material, labour and t&p etc. for proper completion of work.

Painting of old rusted steel surface of gate and appurtenances, lifting mechanism of sluice gate of adwa dam after preparation of surface properly by regmal paper and applying one coat of zinc rich primmer and two coat of high build black bituminous paint including cost of all material , labor, t&p and scaffolding required for proper completion of work.

Refitting of repaired sluice gate and lifting rod & its mechanism with help of chain pulley block, zings, fixture, tripod etc. as required as per site with operating, testing and trail on load and un load for smooth operation at site as per direction of engineer in charge including cost of all material , labor, t&p and scaffolding required for proper completion of work.

Sluice gate No. 02 ( Emergency sluice gate) Gate Size- 2.15 X 2.18 Mtr., 1 no

Making temporary plate form in well for operation of sluice gate by arranging chequered plate, girder, bellies, scaffolding channel etc. for compact and suitable plate form for holding gate. After repairing gate and completion of work plate form will be dismantled. Plate form shall be done 40 feet below from ground level.

Detaching sluice gate with lifting mechanism such as spindle/screw rod, lifting rod, winch crab machine, supporting bracket etc. including cost of material, labour and t&p etc. for proper completion of work.

Straightening, aligning and strengthening of screw rod and providing 65 mm dia 3.30 mtr long lifting rod 2 no with the help of zigs& fixture, vice ,jack, press machine and hammering and welding, grinding and making proper shape and size including cost of material, labour and t&p etc. for proper completion of work.

Renovation of screw rod for making screw thread 60 mm dia, 1.20mtr long by cleaning, remetaling, machinable welding, grinding and turning then threading in square thread in regular shape & size for smooth running and lifting screw chuck nut by replacing g.m. bush with costing , molding, turning, boring, finishing and threading as per sample including cost of material, labour and t&p etc. for proper completion of work.

Renovation of damaged and pitted roller by welding of C.I. welding electrode then turning and finishing in proper shape and size as per sample and assembling of roller including cost of all material, labour and t&p etc. for proper completion of work.

Replacement of bottom rubber seal/top rubber seal by removing old/ damaged rubber seal, scraping & cleaning surface making a new rubber seal size 100 mm x 20 mm thick( As per IS 11855) , making hole, fixing the rubber seal on gate , clamping the m.s. plate by new hexagonal high tensile nut and bolt including cost of material, labour and t&p. etc. for proper completion of work.

Replacement of side rubber seal by removing old/ damaged rubber seal, scraping & cleaning surface making a new rubber seal size 150 x 12 mm thick with 44 mm dianote( As per IS 11855) , making hole, fixing the rubber seal on gate , clamping the m.s. plate by new hexagonal high tensile nut and bolt including cost of material, labour and t&p etc. for proper completion of work.

fabrication of top rubber seal, bottom rubber seal & side rubber seal. steel plate of m.s. plate 10 mm thick 75 mm wide and angle 65x65x6 mm thick of different length after cutting 10 mm thick plate facing and grinding the edge a plate straightening & aligning of plate for fixing in gate , vertical and horizontal position properly as required.

Strengthening of shutter assembly of emergency sluice gate with hiring of t&p for detaching gate by cutting, lifting at suitable plate form for operating the gate with dismantling the gate and its allied parts with cutting of old and damaged portion skin plate and providing new m.s. plate 10 mm thick , measuring, marking, cutting, welding, with edge preparation and fixing the gate including cost of material, labor and t&p etc. for proper completion of work.

Renovation of winch crab system by dismantling Complete Unit of Winch machine, extracting pinion by Hydraulic puller, dismantling gear from shaft and checking alignment on lath m/c, repairing key way, remetaling and finishing of gear and pinion, strengthening pinion shaft by using thrust bearing 51212 and 51213 including cost of all material, labour and t&p etc. for proper completion of work.

Renovation of guide roller ( side sway roller) by taking out defective guide roller from gate, rethreading of foundation hole after extracting broken foundation bolt , repairing of pin by remetaling by welding, machining of roller shaft , assembling the guide roller and fitting on gate with new foundation bolts and necessary oiling , greasing including cost of material, labour and t&p etc. for proper completion of work.

Painting of old rusted steel surface of gate and appurtenances, lifting mechanism of sluice gate of adwa dam after preparation of surface properly by regmal paper and applying one coat of zinc rich primmer and two coat of high build black bituminous paint including cost of all material , labor, t&p and scaffolding required for proper completion of work.

Refitting of repaired emergency sluice gate and lifting rod & its mechanism with help of chain pulley block, zings, fixture, tripod etc. as required as per site with operating, testing and trail on load and un load for smooth operation at site as per direction of engineer in charge including cost of all material , labor, t&p and scaffolding required for proper completion of work.

M/S W.M. ENGNEERING WORKS

SHOBHA ENTERPRISES