REPAIRS REPLACEMENT MAINTENANCE TO DI GI CI PIPE LINES FITTINGS PUMPING SETS SERVICING OF WATER TREATMENT PLANT UG TANKS CLEANING AND CONNECTED WORKS AT CABS STIR AND CEMILAC UNDER GE I R AND D EAST BANGALORE

Amount

Material and labour for opening top cover by unscrewing the bolts of softening plant of size 800mm dia x 1875mm height, unloading the cation resin, fine silex, coarse silex, pebbles from upper portion of softening plant, washing the internal portion of softner plant with HCL, painting with one coat of black bituminous paint suitable for drinking water inside the vessels, loading of cation resin, fine silex, coarse silex, pebbles complete and fixing the top cover by changing the gasket or nuts bolts if required any including testing complete all as specified and as directed. NOTE : - Cation resin, fine silex, coarse silex, pebbles will be measured and paid separately under relevant item here-in-after.

Supply only cation resin for softening plant complete all as specified and as directed.

Supply only Fine silex for softening plant complete all as specified and as directed.

Supply only Coarse silex for softening plant complete all as specified and as directed.

Supply only Pebbles for softening plant complete all as specified and as directed.

Supply only crystal common salt Ist grade for controlling of hardness of water of approved quality in 50 Kg bag at water treatment plant complete all as specified and as directed. NOTE : - Transportation charges of qty as required to water treatment plant located at STIR / CABS area will be included in the item rate.

Material and labour for opening top cover by unscrewing the bolts of activated carbon filter of size 800mm dia x 1875mm height, unloading the carbon, coarse silex, Fine silex, pebbles from upper portion of carbon filter painting with one coat of black bituminous paint suitable for drinking water inside the vessels, loading the carbon, coarse silex, Fine silex, pebbles and fixing the top cover by changing the gasket or nuts bolts if required any including testing complete all as specified and as directed. NOTE : - Material required will be measured and paid separately under relevant item here-in-after.

Supply only carbon IV500 for activated carbon filter complete all as specified and as directed.

Supply only fine silex for activated carbon filter complete all as specified and as directed.

Supply only coarse silex for activated carbon filter complete all as specified and as directed.

Supply only pebbles for activated carbon filter complete all as specified and as directed.

Material and labour for opening top cover by unscrewing the bolts of multigrade filter of size 600mm dia x 1875mm height, removing all materials like sand, coarse silex, fine silex and pebbles from the filter, cleaning and painting with one coat of black bituminous paint suitable for drinking water inside the vessels, loading of sand, coarse silex, fine silex and pebbles size as per existing from upper portion of filter, and fixing the top cover by changing the gasket or nuts bolts if required any including testing complete all as specified and as directed. NOTE : -Materials required will be measured and paid separately under relevant items here-in-after.

Supply only sand for multigrade filter filter complete all as specified and as directed.

Supply only fine silex for multigrade filter filter complete all as specified and as directed.

Supply only coarse silex for multigrade filter filter complete all as specified and as directed.

Supply only pebbles for multigrade filter filter complete all as specified and as directed.

Dismantling of high pressure single head adjustable gear motor of chemical dosing pump and separating the unserviceable parts cleaning the serviceable parts, re-assembling including replacement of old unserviceable parts complete all as specified and as directed. NOTE :- Spare parts will be measured and paid separately as supply only.

Supply and fix heavy duty PVC pipe of suitable size to with stand 5Kg/cm 2 pressure suitable for decrine dozing pump to rising mains including taking out existing unserviceable one complete all as specified and as directed.

Supply only ring seal valve for Decrine dosing Pump including taking down unserviceable one complete all as specified and as directed.

Supply only foot valve assembly suitable for decrine dosing pump including taking down unserviceable valve complete all as specified and as directed.

Supply only diaphram valve for DDP including taking out the old unserviceable one complete all as specified and as directed.

Supply only discharge valve for decrine dosing pump including taking down unserviceable one complete all as specified and as directed.

Supply only traditional calcium hypochlorite based Granular disinfectant for water treatment packed in 45 KG plastic Drum complete all as specified and as directed. MAKE : -ALTOCH GP / DECLIBACK / AQUAFIT.

Supply and fix in replacement of Cast iron Non Return Valve of size 50mm bore flanged type and including jointing materials, rubber gasket suitable size nuts, bolts and washers etc including taking down of old unserviceable complete all as specified and as directed. MAKE :- L&T / LEADER /UPADHYAY / KIRLOSKAR

All as per ser item No 11.00 above but of size 80mm bore

All as per ser item No 11.00 above but of size 100 mm bore

All as per ser item No 11.00 above but of size 150 mm bore

Supply and fixing in replacement of butter fly valve 50 mm bore flanged type and including jointing materials, rubber gasket suitable size nuts bolts and washers etc including taking down of old unsv complete all as specified and as directed. MAKE :- L&T / AUDCO / UPADHYAY / KIRLOSKAR

All as per ser item No 12.00 above but of size 65 mm dia

All as per ser item No 12.00 but of size 80 mm dia

All as per ser item No 12.00 but of size 100 mm dia

All as per ser item No 12.00 but of size 150 mm dia

Excavation of trenches in any type of soil n.exc 1.5 M wide and n.exc 1.5 M in depth for taking out / laying of pipe lines and getting out forming bottom surfaces to required gradients complete all as specified and as directed.

Soft / loose soil.

Hard dense soil

Returning, filling in and including spreading, leveling, watering and well ramming in layers n.exc 25 cm thick complete all as specified and as directed.

Removing excavated surplus materials to a distance not exceeding 50 Mtrs and deposited where directed at a level not exceeding 1.5 Mtr above starting point complete all as specified and as directed.

Taking up or down G.I. tubing and connection and stacking neatly for reuse and removing the balance material from site complete all as specified and directed for the following sizes complete :- .

15mm bore

20mm bore

25mm bore

40mm bore

50mm bore

80mm bore

Refixing only of old GI tubing obtained form Item No. 16 above and connections in new or old position (walls, trenches, ceiling and floors etc.) for the following sizes complete all as specified and as directed.

15mm bore

20mm bore

25mm bore

40mm bore

50mm bore

Mateial and labour for laying of GI tubing medium grade laid in trenches in any length with screwed and socket joints together with all galvanised steel fittings such as sockets, bends, elbows, tees, reducers, union etc, including jointing and testing complete all as specified and as directed.

15mm bore

20mm bore

25mm bore

40mm bore

50mm bore

80mm bore

Supply and fix in replacement chlorinated polyvinyal chloride (CPVC) pipes of 50mm dia, having thermal stability for hot & cold water supply, including all CPVC plain and brass threaded fittings, this includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer-in-Charge.

Supply and fixing in replacement chlorinated polyvinyal chloride (CPVC) pipes of 40mm dia,having thermal stability for hot & cold water supply, including all CPVC plain and brass threaded fittings, This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer-in-Charge.

Supply and fix in replacement of stop valves of size 15 mm bore cast copper alloy screwed down, high pressure with crutch or butterfly handle screwed both ends for iron pipes or for unions, heavy duty ISI marked and fixed complete all as specified and as directed. MAKE :- LEADER / KIRLOSKAR / GEM / ZOLOTO

All as per ser item No 21.00 above but of size 20 mm bore

All as per ser item No 21.00 above but of size 25 mm bore

Supply and fixing in replacement of gun metal Gate valve of size 15mm bore with iron wheel head screwed both ends suitable for GI tubing including taking down of old unserviceable one complete all as specified and as directed. MAKE :- LEADER / KIRLOSKAR / GEM / ZOLOTO

All as per ser item No 22.00 above but of size 20 mm bore

All as per ser item No 22.00 above but of size 25 mm bore

All as per ser item No 22.00 above but of size 40 mm bore

All as per ser item No 22.00 above but of size 50 mm bore

Repair to valve chamber of size 60x60x60cm of brick masonry valve pit of internal size 60x60x60cm 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 40x40x6mm and duly embedded in plain cement concrete coping 5 cm thick plain cement concrete 1:2:4 type B1with 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 23.00 above but of size 90cm x 90cm x 90cm all as specified and as directed .

Supply and fixing sluice valve of size 80 mm class PN-I.6 (ISI) marked with flanged and iron wheel head, SS spindle, shut and open directed cast on it and including jointing materials, rubber gasket suitable size nut bolts and washer etc complete all as specified and as directed. MAKE : LEADER / L&T / KIRLOSKAR / UPADHYAY

All as per ser item No 25.00 above but of size 100 mm bore

All as per ser item No 25.00 but of size 150 mm bore

All as per ser item No 25.00 but of size 200 mm bore

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 complete all as specified and as directed.

Supply and fix in replacement CI body ISI marked foot valves of size 25 mm one end flanged and other end CI Jallies with neoprene ball duly tested and confirming to IS including taking out existing un serviceable foot valve complete all as specified and as directed by Engineer-in-Charge. MAKE : LEADER / L&T / KIRLOSKAR / UPADHYAY

Supply and fix in replacement CI body ISI marked foot valves of size 40 to 50mm one end flanged and other end CI Jallies with neoprene ball duly tested and confirming to IS including taking out existing unsv foot valve complete all as specified and as directed by Engineer-in-Charge. MAKE : LEADER / L&T / KIRLOSKAR / UPADHYAY

Supply and fix in replacement CI body ISI marked foot valves of size 65 to 80mm one end flanged and other end CI Jallies with neoprene ball duly tested and confirming to IS including taking out existing unserviceable foot valve complete all as specified and as directed. MAKE :- LEADER / L&T / KIRLOSKAR / UPADHYAY

Supply and fix in replacement CI body ISI marked foot valves of size 100 mm one end flanged and other end CI Jallies with neoprene ball duly tested and confirming to IS including taking out existing unserviceable foot valve complete all as specified and as directed by Engineer-in-Charge. MAKE :- L&T / LEADER /UPADHYAY / KIRLOSKAR

Supply and fix in replacement CI body ISI marked foot valves of size 200 mm one end flanged and other end CI Jallies with neoprene ball duly tested and confirming to IS including taking out existing unsv foot valve complete all as specified and as directed by Engineer-in-Charge. MAKE:- LEADER / L&T / UPDHYAY/ KARTAR / KIRLOSKAR

Dismantling the unserviceable gaskets and supply and fixing new gaskets for replacing of Sluice valve / Pump set of any Size or capacity complete all as specified and as directed. MAKE :- LEADER / L&T / KIRLOSKAR / UPADHYAY

Dewatering & cleaning of RCC roof top / under ground sump of capacity upto 10,000 ltr by draining 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 surrounding 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 including writing date of cleaning and next due date of cleaning complete all as specified and as directed.

All as per ser item No 33.00 above but of capacity 20,000 to 30,000 ltr

All as per ser item No 33.00 above but 50000 ltr to 100000 ltr capacity.

All as per item No 33.00 above but upto 130000 ltr capacity.

Material and labour for PCC (1:4:8), type D2 with 40 mm graded aggregate in floorings as in repairs of the plinth protection, foot paths closing pipe holes in walls or any other location of the tanks after dressing / cleaning the disturbhed/damaged surface and freshing top surface fair and even. complete all as specified and as directed.

Supply and fixing in replacement high density poly-ethlene (HDPE) pipes of 50 mm dia,having pressure rating of pipe 6 kgf/cm2 lowering into the borewell including all T&P and vehicle required for taking down of old unserviceable pipe and fixing new pipe with all necessary fittings required and testing complete of joints including taking down old pipe complete as per direction of Engineer-in-Charge.

Material and labour for repair of broken aluminium telescopic ladder 30 feet height including pulley, platform, rubber wheels , bracing if required , greasing and painting of bottom support complete all as specified and as directed.

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 civil workshop, removing the burnt out winding from slots, cleaning the stator and rotor slots with CTC and emery paper and rewinding, varnishing and heating the motor with as per existing size of new super enamelled 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 complete all as specified and as directed upto 5 HP capacity :-

All as per ser item No 40.00 above but of 7.5 HP three phase pump set.

All as per ser item No 40.00 above but of 10 HP three phase pump set.

All as per ser item No 40.00 above but of 12.5 HP three phase pump set.

All as per ser item No 40.00 above but of 20 HP three phase pump set.

All as per item No 40 above but of 21 HP to 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 remetalling to shaft, replacement of ball bearing of approved make, replacement of water seal gland and complete 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 complete all as specified and as directed.. NOTE :- Spare parts to be replaced will be measured and paid separately under relevant items here as under

All as per ser item No 46.00 above but of 7.5 HP to 10 HP three phase pump

All as per ser item No 46.00 above but of 12.5 HP to 20HP three phase pump

Supply only angular contact bearing complete all as specified and as directed.

Supply only Lock nut S.S complete all as specified and as directed.

Supply only Impeller CI complete all as specified and as directed.

Supply only Line shaft SS complete all as specified and as directed.

Supply only Bowl Assembly complete all as specified and as directed.

Supply only Retainer Bearing complete all as specified and as directed.

Supply and fix in replacement Direct-on-line (DOL) starter in sheet steel enclosure for single phase 1 to 2 HP complete all as specified and as directed. MAKE : L&T type MF-1 single phase or equivalent in CROMPTON GREAVES / SIEMENS / GE

All as per ser item No 49.00 above but Direct-on-line (DOL) starter in sheet steel enclosure for three phase 7.5 to 10 HP complete all as specified and as directed. MAKE : - L&T type MN-16 DOL or equivalent CROMPTON GREAVES / SIEMENS / GE

Supply and replacement of Direct on line panel starter with complete voltmeter / ameter inlcuding indicator suitable for mono block pumpset upto maximun 10 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. MAKE :- L&T Cat No SS94366 / BCH or equivalent CROMPTON GREAVES / GE / SEIMENS

Supply and fixing in replacement of star delta starter enclosure type with complete voltmeter/ameter inlcuding indicator suitable for centrifugal pump set upto maximun 55 KW capacity Type MN 65F suitable for Motor Rating AC-3 Duty, 415V, 50Hz, 3-Ph Relay Max range 45-75 Amps capacity complete all as specified and as directed. MAKE : L & T Cat No SS94022/BCH or equivalent CROMPTON GREAVES / GE / SEIMENS

Material and labour for taking out submersible pump sets of any capacity from borewell with connected pipe lines erected in bore well with the help of vehicles and all T&P required after disconnecting existing water and electric supply connections and shifting the pump set to local workshop for necessary repairs and refixing lowering after repair / rewinding of submersible motor and connecting the same complete all as specified and as directed. Note: The cost of repair/rewinding shall be measured and paid separately under relevant items here-in-after.

Material and labour for 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 warn-out bolts and nuts including changing of bearings all as directed of capacity 5 HP complete all as specified and as directed.

All as per ser item No 54.00 above but of capacity 7.5 HP.

All as per ser item No 54.00 above but of capacity 12.5 HP.

Material and labour for 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 :-

Supply only Bearing of pump complete all as specified and as directed.

Supply only Suction strainer complete all as specified and as directed.

Supply only Suction Bush complete all as specified and as directed.

Supply only Stage Casing Bush complete all as specified and as directed.

Supply only SS Shaft complete all as specified and as directed.

Supply only SS Sleeves complete all as specified and as directed.

Supply only GM Impeller complete all as specified and as directed.

Supply only NRV complete all as specified and as directed.

Supply only SS Nut and Bolt with washer complete all as specified and as directed.

Supply and connect PVC insulated sheathed cable with multi stranded submersible copper conductor of size 3 core 6 sq.mm for pump set including removing the old unservsible cable complete all as specified and as directed.

Material and labour for overhauling & refurbishing of induction motors / booster motor / by carrying out the following works including reassembling the same and testing complete upto 7.5 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 & grease and cleaning the inner surfaces by petrol, pre heating of stator in the heating chamber at 100 degree celcius for 4 hours and applying of bectol red finishing varnish over the winding. NOTES :- Rates are included for transportation etc.

All as per ser item No. 59.00 here in before but for 12.5 HP to 20 HP.

Supply only Driving End (DE) and Non Driving End (NDE) bearings for upto 7.5 HP capacities.

All as per ser item No 61.00 above but of 12.5 HP TO 20 HP capacity.

Supply only CI sleeves suitable for the pump sets for the upto 7.5HP capacity.

All as per ser item No 63.00 above but of 12.5 to 20 HP capacity.

Supply only CI impeller suitable for the pump sets for the 7.5 HP capacity.

All as per ser item No. 65.00 above but of 12.5 to 20 HP capacity.

Supply only Line shaft SS for the pump sets of capacity up to 7.5 HP

All as per item No 67.00 above but of capacity 12.5 HP to 20 HP

Supply only Line bush (UBH & LBH) Gun metal for the pump sets of capacity up to 7.5 HP

All as per ser item No 69.00 above but of capacity 12.5 HP to 20 HP

Supply only love joy coupling complete with star bushes for upto 7.5 HP centrifugal pump sets driven by motors capacities.

All as per ser item No 71.00 above but of 12.5 to 20 HP capacity.

All as per ser item No. 71.00 above but of 20 HP to 30 HP capacity.

Leakage detection in the GI water mains n.exc. 80mm dia and necessary repairs including cutting threading for addition / alteration for insertion if required any of fittings all as directed by the Engineer-in-Charge. NOTE :- The rate quoted by the contractor shall deemed to be inclusive of earth work/excavation and returning filling.

Complete arrangement 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. (i) CABS / STIR (ii) CEMILAC

Supply, installation testing and commissioning of submersible pump with motor of 3 phase 415 Volts of cap 7.5 HP as per existing stage but up to 12 stage complete all as specified and as directed. MAKE : KIRLOSKAR / CROMPTON / CRI / KSB

Material and labour for complete servicing of inbuilt RO system of water cooler upto 150 ltr storage type complete inside lab including repacement of RO filter, membrane, Sediment filter / carbon filter, controlled blast / SMPS / diaphragam pump of any type / any make and model and testing after repair / repalcement of spare parts for entire satisfaction to Engineer-in-Charge. NOTE : (i) The rates are included all the spares. (ii) The complete job should valid for six month of warranty and if any defect found then the complaint should attend free of cost.

Material and labour for complete painting of inlet water supply pipe line and delivery pipe line including motor pump/ foundation at fire fighting pump /water supply pump house as per approved colour by Engineer-in-Charge complete all as specified and as directed.

Material and labour for complete scrapping of old rusted paint and painting with super enamelled paint of MS pipe for fire fighting system/sprinklers system complete with all arrangement of T&P required for the same as per approved colour by Engineer-in-Charge complete all as specified and directed for following dia of pipes :-

25 mm bore

65 mm bore

80 mm bore

100 mm bore

150 mm bore

Supply and fix in replacement of ON load changeover 160 Amps, 4 pole, in sheet steel enclosure including complete connection of cables with necessary modification if required complete all as specified and as directed.

Supply and fix in replacement of MCCB 250 Amps, 3 pole, 36 KA rupturing capacity in the existing panel with necessary modification if required complete all as specified and as directed.

All as per ser item No 81.00 above but of capacity 250 Amps MCCB, 4 pole, 36 KA rupturing capacity.

All as per ser item No 81.00 above 200 Amps MCCB, 4pole, 36 KA rupturing capacity.

All as per ser item No 81.00 above 200 Amps MCCB , 3 pole, 36 KA rupturing capacity.

All as per ser item No 81.00 above 160 Amps MCCB, 3 pole, 36 KA rupturing capacity

All as per ser item No. 81.00 above 125 Amps MCCB, 3 pole, 16 KA rupturing capacity

All as per ser item No 81.00 above 25 to 100 Amps MCCB, 3 pole, 16 KA rupturing capacity

Material and labour for cutting the existing bituminous Road / PCC hard standing and getting out excavated material and making good the damage portion after laying of pipe by returning, filling including spreading , levelling, watering and wall 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 fixing in replacement of 15mtrs long, 63mm dia. Reinforced Rubber Lined hose with instantaneous male and female coupling complete all as specified and as directed.

Supply and fixing in replacement fire Gun metal hydrant landing valve (Double head outlet) of 63 mm dia conforming to IS 5290 complete all as specified and as directed.

Supply and fixing in replacement metal fire hydrant landing valve (single head outlet) of 63 mm dia conforming to IS 5290 complete all as specified and as directed.

Supply and fixing of Hose reel drum of swinging type with 19mm dia Rubber braided hose of 30Mtr length with Gate valve (upstream) and Shut off nozzle, complete all as specified and as directed.

Supply and fix Hose box made of 18 gauge MS Sheet 800mm X 600mm X 250mm with double door with 4 mm thick glasses and door frame made of 16 gauge MS sheet painted fire red out side and brilliant white complete all as specified and as directed.

Supply and fixing Branch pipe gun metal 63mm instantaneous inlet, male threaded outlet, 15mm bore nozzle short complete all as specified and as directed.

Supply and fixing in replacement after testing of sprinkler glass bulb type (Standard response) as per IS:15106/TAC guidelines 68 degree temperature rating pendent type complete all as specified and as directed.

Material and labour for disconnecting and removing of the induction motor of 75HP capacity 415 volts AC from the existing position of the following capacity of any make checking of the motor for its serviceability, transporting to workshop, opening up, cutting and removing of the burnt out winding, rewinding with same gauge of copper conductor and insulting, varnishing, greasing etc., replace 2 Nos of end ball bearings, reassemble including cleaning, oiling, greasing of internal parts, replacement of worn out nut bolts, gland packing etc, testing for proper functioning, bring back to site, refixing back in the original position, reconnecting, commissioning complete all as specified and as directed.

Supply and fix in replacement of water seal gland of exisitng monoblock pump set upto 30 HP capacity complete all as specified and as directed.

Material and labour for Desilting / cleaning of borewell including taking out and lowering of new / repaired submersible pump set of any size (5 HP to 17.5 HP), 3 phase 400/415 Volts in 200/250 mm size tube well up to existing depth of bore comprising following nature of works:- (a) Dip connection existing pipe connection any size and removing electric connection. (b) Erection of tripod/chain pulley block at site. (c) Unscrewing the submersible pump and removing the same at site for relowering. (d) Transporting the troly mounted DTH machine at site for flushing the bore well/further boring if required. (e) Flushing the bore hole through compressor operating 120PSI after lowering the rig in length 1.5 mtr x 80 Nos continuously till clear water obtained not less than 6 hrs

Supply and fixing of ball valves high pressure of PTMT with epoxy coated Aluminium rod & highdensity plastic ball screwed for iron pipe an of 20 mm dia fixed for the following sizes including taking out existing unserviceable complete complete all as specified and as directed. (Minimum weight 15 mm -142 gms/20 mm - 20 gms/25 mm - 455 gms/40 mm - 690 gms) MAKE : PRAYAG or equivalent

15 mm dia

25 mm dia

40 mm dia

G K CONSTRUCTIONS (BID ID -3333083)

BHARATH TECH (BID ID -3325508)

Lucky Enterprises (BID ID -3325412)

Standard enterprises (BID ID -3323880)

devan enterprises (BID ID -3325104)