REPAIRS MAINTENANCE TO GI CI DI PIPE LINES FITTINGS WATER SUPPLY EQUIPMENTS UG OH TANKS SERVICING CLEANING AND CONNECTED WORKS AT GTRE UNDER GE I R AND D EAST BANGALORE

Amount

Excavation in trenches not exceeding 1.5m wide and not exceeding 10 sqm on plan and not exceeding 1.5m depth for laying pipe line, replacing sluice valve etc and getting out in soft / loose soil complete all as specified and as directed.

Returing, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick as in soft / loose / hard soil including making good of disturbed bituminous road / hard standing complete all as specified and as directed.

Removing excavated material to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and as directed.

Material and labour for cutting the existing hard bituminous road / PCC hard standing upto 75cm in depth 60cm in width and getting out excavated material making good the damaged portion after laying of pipes by returning, filling in including, spreading, levelling, watering and well ramming in layers not exceeding 25cm thick and PCC 1:2:4 type B1 using 20mm graded stone aggregate upto 30cm depth from top of the road complete all as specified and as directed.

Supply and fix ball valves high pressure of PTMT with epoxy coated alminium rod and high density plastic ball screwed for iron pipe and of 20mm dia fixed for the following sizes including taking out existing unserviceable complete all as specified and as directed. NOTE : Minimum weight 15 mm -142 gms/200mm-20gms/25mm-455gms/40mm-690gms. Make : Prayag or equivalent

All as per ser item No 5 above but 25mm dia.

All as per ser item No 5 above but 40mm dia.

Taking out GI tubing including connections from floor wall / trenches for replacement / refixing after cleaning complete all as specified and as directed for following sizes NOTE : Excavation and earth work shall be measured and paid separately.

15 mm dia bore

20 mm dia bore.

25 mm dia bore.

40 mm dia bore.

50 mm dia bore.

80 mm dia bore.

Repair / rectification of leakage of existing GI tubing laid in tranches, floor or on wall, roof by replacing new fittings such as union, sockets, nipples, tees, elbows, reducers etc including treading, cutting, jointing complete all as specified and as directed for the following sizes:-

15 mm dia bore

20 mm dia bore.

25 mm dia bore.

40 mm dia bore.

50 mm dia bore.

Material and labour for steel water tubing and connections including cleaning, removing chalking and refixing same with new GI fittings such as unions, sockets, tees, elbows reducers etc on wall, floors, in trench etc complete all as specified and as directed for the following sizes:-

15 mm dia bore

20 mm dia bore.

25 mm dia bore.

40 mm dia bore.

50 mm dia bore.

Material and labour for GI tubing medium grade laid in trenches / floors or fixed to wall in any length with screwed and socket joints together will all galvanized GI fitting such as sockets, bends, elbows, tees, reducers, unions, bushes etc including jointing materials and testing complete all as specified and as directed for the followings sizes:-

15 mm dia bore

20 mm dia bore.

25 mm dia bore.

40 mm dia bore.

50 mm dia bore.

80 mm dia bore.

Material and labour for gun metal or bronze globe / ball valve, screwed both ends suitable for GI tubing with side way operating GI level handle including taking down old unserviceable valve of any type / make complete all as specified and as directed for the followings sizes:-

20 mm dia bore.

25 mm dia bore.

40 mm dia bore.

50 mm dia bore.

Material and labour for stop valves cast copper alloy screwed down, high pressure with crutch or butterfly handle screwed both ends for GI tubing with side way operating GI level handle including taking down old unserviceable valve of any type/make complete all as specified and as directed for the followings sizes:-

15 mm dia bore.

20 mm dia bore.

25 mm dia bore.

Material and labour in repairs rotational moulded polythene water storage tank, ISI mark embosed on it (cylindrical vertical with closed top) hoisted and fixed in position including taking out of existing unserviceable tank of capacity 500 ltrs complete all as specified and as directed.

Supply and laying in replacement unplasticised PVC pipes of pressure rating 10 kgf/cm2 fixed complete to walls, ceilings or in floors etc any type including fittings 20mm dia complete all as specified and as directed.

All as per ser item No 15 above but 25 mm dia.

All as per ser item No 15 above but 40 mm dia.

Taking up or down corroded old vintage cast iron / ductile iron pipe including all fittings with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as specified and as directed for the following sizes:-

100 mm dia bore.

150 mm dia bore.

Supply and laying in replacement in trenches ductile iron pipes, Class “K-7” with spigot and socketed ends centrifugal cast (spun) with factory, applied cement mortar lining inside the pipes with outside zinc coating, with suitable push on joint (rubber gasket D joint) confirming to IS 8329 / 2000 complete all as specified and as directed for the following sizes :-

100 mm dia bore.

150 mm dia bore.

Material and labour for ductile iron fittings for spigot and socketed pipes upto 150mm bore such as bends (any type, radius and angle). Tapers any type, (straight, bend increasing, decreasing or double socket etc). Tee pieces single branch, 'Y' junction, double branch cross (all sockets or socket and spigot), collar, caps and plugs complete all as specified and as directed.

Material and labour for tyton push or rubber gasket joint suitable for ductile iron pipe of 150mm bore of pipe ISI marked complete all as specified and as directed.

Material and labour for tyton push or rubber gasket joint suitable for ductile iron pipe of 100mm bore of pipe ISI marked complete all as specified and as directed.

Material and labour for run lead joint to CI spigot and socketed pipe of bore 150mm dia including old lead of spurn yarn complete all as specified and as directed.

Material and labour for run lead joint to CI spigot and socketed pipe of bore 100mm dia including old lead of spurn yarn complete all as specified and as directed.

Material and labour for run lead joint to CI spigot and socketed pipe of bore 80mm dia including old lead of spurn yarn complete all as specified and as directed.

Material and labour for cutting of DI / CI pipe for alternation or addition of existing any size of pipe line and 100mm size of new lines laying complete all as specified and as directed.

Material and labour for cutting of DI / CI pipe for alternation or addition of existing any size of pipe line and 150mm size of new lines laying complete all as specified and as directed.

Material and labour for sluice valve cast iron long body both ends flanged as per IS-14846 and drilled with stainless steel spindle iron wheel head and as per pressure rating PN 1.6 class-I, ISI marked along with nuts, bolts, washers, gaskets etc. including dismantling and taking out sluice valve from valve chamber / trenches complete all as specified and as directed for the following sizes :-

80 mm dia bore.

100 mm dia bore.

150 mm dia bore.

Supply and fixing in replacement non return valve cast iron body both end flanged with neoprene ball duly tested and confirming to IS including taking out existing NRV complete all as specified and as directed for the following sizes :-

150 mm dia bore.

100 mm dia bore.

Material and labour for removing the sludge deposit from sewage well / sump of 6.0 mtr dia and 7.0 mtr depth by using sucking through suitable tank and pump mounted on vehicle of private / state government on hiring basis and taking out sludge and transporting to suitable location all as directed by Engr-in-Charge

Supply and fix in replacement and testing fully automatic star delta starter suitable for mono block pumpset 30 HP capacity type with single phase preventer over load relay timer of suitable range complete all as specified and as directed.

Supply and fix replacement of direct online panel starter with complete voltmeter / ammeter including indicator suitable for mono block pumpset upto maximum 5 HP capacity Type MN 32 FASD suitable for Motor Rating AC-3 Duty, 415V, 50Hz, 3-Ph Relay Max range 20 - 33 Amps capacity complete all as specified and as directed.

Supply and fix in replacement star delta starter with complete volt meter / ammeter including indicator suitable for monoblock pumpset upto to maximum 7.5 HP to 12 HP capacity complete all as specified and as directed.

Supply and fix in replacement direct-on-line (DOL) starter in sheet steel enclosure for single phase, 415 volts, 1 to 2 HP complete all as specified and as directed.

Supply, install testing and commissioning of monoblock pumpset of capacity 3 HP/2.2KW, 24Mtr head, electric driven working on 415V, 3 Phase 50 Hz consisting of cast iron impeller installed complete including provn of PCC platform suitable for installation of machinery / pumpset etc,and suitable MS channel all as per manufactures specification and complete all as specified and as directed by Engineer-in-Charge.

Supply, installation testing and commissioning of submersible pump with motor of 3 phase 415 volts of cap 5 HP/3.7KW, head 15m-33m, 8 to 10 stage as per existing stage complete all as specified and as directed.

Supply and connect PVC insulated sheathed cable with multistranded submersible copper conductor of size 3 core 6 sqmm for pump set including removing the old unserviceable cable complete all as specified and as directed.

Supply and fix in repair Foot valve CI body flanged type of size 150 mm heavy grade of make kirloskar or equivalent screwed both ends for connecting to pipeline complete all as specified and as directed.

Supply and fix in repairs foot valve CI body flanged type of size 80 mm dia heavy grade of make kirloskar or equivalent screwed both ends for connecting to pipeline complete all as specified and as directed.

Supply and fix in repair foot valve gun metal flanged type of size 50 mm heavy grade of make kirloskar or equivalent screwed both ends for connecting to pipeline complete all as specified and as directed.

Material and labour for repair to valve chamber of size 90cmx90cmx60cm of brick masonry valve pit of internal size 60cmx60cmx60cm with 230mm thick brick wall built in cement mortar 1:6, plain cement concrete foundation 1:4:8 type D2, plastering on brick surfaces 15mm thick in cement mortar 1:4 covered with MS plain sheet 3 mm thick duly fixed to MS frame size 40mmx40mmx6mm and duly embedded in plain cement concrete coping 5 cm thick plain cement concrete 1:2:4 type B1 with opening and locking arrangements including painting with two coat of synthetic enamel paint over one coat of primer complete all as specified and as directed by Engineer in charge.

All as per ser item No 41 above but size of pit 90cmx90cmx90cm with MS cover and angle iron frame complete all as specified and as directed.

All as per ser item No 41 above but size of pit 200cmx100cmx100cm with MS cover and angle iron frame complete all as specified and as directed.

All as per ser item No 41 above but size of pit 120cmx100cmx90cm with MS cover and angle iron frame complete all as specified and as directed.

Material and labour for replacement of existing unserviceable stainless steel spindle, nuts, bolts and washers, gaskets etc including reassembling and checking for any leakage / functioning including taking down old unserviceable spindle complete all as specified and as directed suitable for the sizes 80mm dia to 100mm dia Sluice Valve

Material and labour for replacement of existing unserviceable stainless steel spindle, nuts, bolts and washers, gaskets etc including reassembling and checking for any leakage / functioning including taking down old unserviceable spindle complete all as specified and as directed suitable for the sizes 150mm dia Sluice Valve.

Supply and fix in repairs valve pit chamber cover of MS sheet cover 3mm thick with handle and locking arrangement including painting with two coats of synthetic enamelled paint over a coat of red oxide primer complete all as specified and as directed.

Dismantling the unserviceable gland packing and supply and fixing new gland packing for replacing of worn out nut bolt washers of sluice valve / pump set of any size or capacity complete all as specified and as directed.

Cleaning of over head water storage tank of 100000 gallons capacity by dewatering existing water and removing all dirt, silt, vegetation formation on side walls / stair inside and bottom, cleaning with wire brush to remove settled materials and cleaning with clean water, and applying lime washing two coats and one coat of cement base paint inside and outside the tank including re-writing the date of cleaning, capacity of the tank / sump with synthetic enamel white paint on black base complete all as specified and as directed. NOTE :- Cleaning the surroundings area of the reservoir to a distance of 3 mtrs circumference including cutting of grass digging out roots, filling holes and levelling around and removing waste materials to a distance not exceeding 50 mtrs complete all as per standard specification and as directed by Engineer-in-Charge of following capacity of water supply installation.

All as per ser item No 49 above but of capacity 45000 gallons capacity

All as per ser item No 49 above but of capacity 25000 gallons capacity

Dewatering and cleaning of main water receiving tank / sump of capacity 80000 gln by bailing out stagnant water and removing all fungus muds and sludge, de-scaling vegetation on the inside of fire tank / open well and white washing (two coats) and one coat of cement base paint etc including cleaning the surroundings area of the open well to a distance of 3 mtrs circumstance including cutting of grass, digging out roots, filling holes and levelling around and removing waste materials to a distance not exceeding 50 mtrs complete all as specified and as directed. NOTE :- Cleaning the surroundings area of the reservoir to a distance of 3 mtrs circumference including cutting of grass, digging out roots, filling holes and levelling around and removing waste materials to a distance not exceeding 50 Mtrs complete all as per standard specification and as directed by Engineer-in-Charge of following capacity of water supply installation.

All as per ser item No 52 above but 66000 gallons capacity.

All as per ser item No 52 above but 45000 gallons capacity

All as per ser item No 52 above but 15000 litre capacity.

All as per item No 52 above but 10000 litre capacity.

Dismantling and taking out the existing unserviceable mono block centrifugal pump set by disconnecting the cable connection suction and delivery pipe lines of the pump set, separate the motor from pump, transporting to workshop, removing the burnt out winding from slots, cleaning the starter and rotor slots with CTC and emery paper and rewinding the motor with as per existing size of new supper enameled copper winding wire and insulating by using class ‘B’ insulation keeping for drying, bring back to site, reassemble the motor and pump, fixing in position, connecting electric connections testing and commissioning for its satisfactory performance including taking down old unserviceable copper winding complete all as specified and as directed for the upto 5 HP capacities.

All as per ser item No 57 above but of 7.5 HP to 10 HP three phase pump set

All as per ser item No 57 above but of 15 HP to 20 HP three phase pump set

All as per ser item No 57 above but of 30 HP three phase pump set

Dismantling and taking out the existing mono block centrifugal type pump set for servicing after disconnecting / dismantling electric / suction and delivery pipe lines transporting the pump to a reputed workshop remodelling to shaft, replacement of ball bearing of approved make, replacement of water seal gland and thorough servicing / check up and greasing, oiling, painting etc, reassembling the pump and motor, transporting the same to its original location, fixing in position, connecting up electrical and pipe line connection, testing and commissioning for satisfactory smooth operation including taking down old unserviceable ball bearing / small parts complete upto 5 HP three phase pump set

All as per ser item No 61 above but of 7.5 HP to 10HP three phase pump

All as per ser item No 61 above but of 15 HP to 20HP three phase pump

All as per ser item No 61 above but of 30HP three phase pump

Taking out submersible motor and pump of any capacity with connected pipe lines erected in bore well with help of chain and pulley block and transportation disconnecting existing water and electric supply connections and shifting the pump set to local workshop for necessary repairs and refixing lowering and connecting the same complete all as specified and as directed. NOTE : The cost of repair shall be measured and paid separately under relevant items.

Rewinding the submersible motor with super enamelled wire of existing gauge and weight in the coil terms with other materials for 3 phase 415 volts, 50Hz after cutting replacing of worn-out bolts and nuts including changing of bearings all as directed of capacity 5 to 7.5 HP

Servicing of submersible pump sets 5 to 7.5 HP multistage self priming including painting with one coat of synthetic enamel paint and replacing of following parts all as directed :- (a) Bearing of pump (b) Suction strainer (c) Worn out nuts and bolts

Supply only bleaching powder grade-II confirming to IS 106589 second revision minimum available chlorine percentage 33.3% ( packed in 25 Kg packing)

Material and labour for overhauling and refurbishing of induction motors by carring out the following works including reassembling the same and testing complete for 30 HP capacity and different capacities as under :- (a) Disconnection of power supply after proper electrical shut down, taking out the motor from foundation by and dismantling the coupling and transporting to workshop from site. (b) Dismantling the motor assembly, cleaning of winding for all traces of dust and grease and cleaning the inner surfaces by petrol, preheating of stator in the heating chamber at 100 degree celcius for 4 hours and applying of bectol red finishing varnish over the winding. NOTE :- (a) Transportation and necessary T&P for shifting the motor to workshop & back to site shall be included in the quoted rates by the contractor. (b) Major spares like bearing, couplings will be measured and paid separately under respective items.

All as per ser item No 69 above but 20 HP

Material and labour for disconnecting the motor by delinking the centrifugal pump set and transporting the motor to the work shop, opening the motor and removing the unserviceable / burnt out windings from the motor stator, cleaning the stator and stator slots with petrol, rewiring with existing size copper winding wire and insulating as per the existing class of insulation, varnishing, ovening etc, testing at workshop under NO Load, assembling the motor and transporting to site, fixing on the bed, reassembling with centrifugal pump set, painting complete with one coat of enamelled paint as per existing shade complete and testing at NO Load to the satisfaction of Engr-in-Charge for the motor capacity 100 HP. NOTE :- (a) Transportation and necessary T&P for shifting the motor to workshop & back to site shall be included in the quoted rates by the contractor. (b) Major spares like bearing, couplings will be measured and paid separately under respective items.

All as per ser item No 71 above but 15 HP to 20 HP

Supply only Driving End (DE) and Non Driving End (NDE) bearings for the 30 HP capacities

All as per ser item No 73 above but of 15 to 20 HP capacity

Supply only CI sleeves suitable for the pump sets for the 30 HP capacity

All as per ser item No 75 above but of 15 to 30 HP capacity.

Supply only love joy coupling complete with star bushes for the 30 HP centrifugal pump sets driven by motors capacities

All as per ser item No 77 above but of 15 to 20 HP capacity

All as per ser item No 77 above but 0f 05 HP to 7.5 HP capacity

Material and labour for disconnecting the motor by delinking the centrifugal pump set safely and including broken the old PCC foundation and making the PCC foundation (1:2:4) for the purpose to enhance the ground height and reassemble including fixing and making all connection as per existing complete all as specified and as directed.

Providing complete arrangements for carrying out of chemical analysis test of drinking water as per IS 10500:2012 (second revision) from an Acredited laboratory-NABL . The Sample of drinking water for testing taken from following locations and submit the report to Engineer-in-charge in duration of every six month all as specified :- GTRE

Material and labour for replacement of existing rusted / unserviceable angle iron ladder in the UG sump with angle iron of 40mm x 40mm x 6mm for the height of not less than 8 mtr length by suitable welding and painting with one coat of black paint over a coat of red oxide primer complete all as specified and as directed.

Material and labour for complete servicing of RO up to 20 ltr storage capacity inside lab including replacement of ro filter, membrane, sediment filter / carbon filter, controlled blast / SMPS including replacement of diaphragm pump as per existing make and model complete all as specified and as directed.

Material and labour for one coat of synthetic enamel paint as per existing colour on existing GI / CI / DI pipes including preparation surfaces of old pipes 100 / 150mm dia bore complete all as specified and as directed.

Material and labour for one coat of synthetic enamel paint on existing GI / CI / DI pipes including preparation surfaces of old pipes 40 / 50 / 80 mm dia bore complete all as specified and as directed.

Supply and fix single pointed air termination aluminium rod, 12mm dia 300mm long complete all as specified and as directed.

Material and labour for aluminium strip 25mm x 3.15mm with saddles and fixing screws etc. for roof conductors and down conductors above ground along outer surface of OHT complete all as specified and as directed.

Material and labour for test point terminal block made of gun metal or phosphorous bronze size 75mm x 75mm x 25mm drilled and screwed including 3 Nos 8 mm dia 25 mm long hexagonal head screwed and test register with details of result all as per direction of Engineer -in- Charge.

Supply and laying in replacement 3-layer PP-R Polypropylene random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot and cold water supply including all PP-R plain and brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors etc. including fittings 20mm dia complete all as specified and as directed.

All as per ser item No 89 above but 25 mm dia.

All as per ser item No 89 above but 40 mm dia.

Earthing complete with galvanised iron earth plate electrode 600mm x 600mm x 6mm as earthing lead buried directly in ground vertically to depth not less than 2.25 mtr below GL with the top edge of the plate not less than 1.5 mtr from GL, connected to GI earth lead of 4.0mm dia, by means of bolts and nuts, to GI and connected to earthing test point all as shown in electrical plate No. 3 of SSR Part-I of 2009* specified or indicated and testing on completion including excavation / earth work in any type of starta, PCC (1:3:6) type C1 earthing chamber pre cast slab 50 mm thick in cement concrete (1:2:4) type B1, reinforced with welded steel wire fabric (XPM) weight not less than 4 KG/sqm cast iron frame, funnel with wire mesh GI watering pipe of 20 mm bore medium grade and lugs with and including GI earth wire 4 mm dia with GI protection pipe of 15 mm medium grade 7.5 meter long etc complete tested on completion all as specified and directed. NOTE : (a) Rate quoted shall deemed to include cost of excavation in any type of strata, RFR and removal upto 50metre, PCC pit, funnel and RCC cover plate. (b) Earth resistance not exceeding 1.0 ohm.

BHARATH TECH (BID ID -3081919)

Lucky Enterprises (BID ID -3082167)