REPAIRS MAINTENANCE TO GI CI DI PIPE LINES FITTINGS VALVES WATER SUPPLY SYSTEMS CLEANING OF UG SUMPS OH TANKS AND CONNECTED WORKS AT GTRE CDA R AND D DSC LINE UNDER GE I R AND D EAST BANGALORE

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

Returing filling in including spreading levelling watering and well ramming in layer not exceeding 25 cm as in soft / loose 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 50 m 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 30cm in depth 60cm in width and not exceeding 1.5 m depth and getting out excavated material complete all as specified and as directed.

Material and labour in repairs multi layered rotational moulded polythene water storage tank (Cylindrical vertical with closed top) with ISI mark emobsed on it, hoisted and fixed in position including taking out of existing unserviceable tank of capacity 2000 Ltrs complete all as specified and as directed.

Supply and fixing of ball valves high pressure of PTMT with epoxy coated alminium rod and high density plastic ball screwed for iron pipe an of 20 mm dia fixed for the following sizes including taking out existing unserviceable complete all as specified and as directed. (Minimum weight /20mm-200gms/25mm-455gms/40mm-690gms)

All as per Sl Item No 66.00 above but the capacity 7.5 HP three phase pump

All as per Sl Item No 6.00 above but 25 mm dia.

Taking out GI tubing including connection 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.

(a) 15mm dia bore

(b) 20mm dia bore.

(c) 25mm dia bore.

(d) 40mm dia bore.

(e) 50mm dia bore.

(f) 80mm dia bore.

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

(a) 15mm dia bore

(b) 20mm dia bore.

(c) 25 or 32mm dia bore.

(d) 40 or 50mm dia bore.

Fixing only steel water tubing and connections including clean

(a)15mm dia bore

(b) 20mm dia bore.

(c) 25mm dia bore.

(d) 40mm dia bore.

(e) 50mm 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 galvanised 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:-

(a) 15mm dia bore

(b) 20mm dia bore.

(c) 25mm dia bore.

(d) 40mm dia bore.

(e) 50mm dia bore.

(f) 80mm dia bore.

Material and labour for Gun metal or Bronze globe / gate valve with iron wheel head screwed both ends suitable for GI tubing including taking down old unserviceable valve of any type/make complete all as specified and as directed for the followings sizes:-

(a) 20mm dia bore.

(b) 25mm dia bore.

(c) 40mm dia bore.

(d) 50mm 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 lever handle including taking down old u/s valve of any type/make complete all as specified and as directed for the followings sizes:-

(a) 15mm dia bore.

(b) 20mm dia bore.

(c) 25mm dia bore.

All as per Sl Item No 6.00 above but 40 mm dia.

ing, removing chokings 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:- NOTE : - GI tubing as obrained from Sl item No 9 shall be re used.

Material and labour in repairs multi layered rotational moulded polythene water storage tank (Cylindrical vertical with closed top) with ISI mark emobsed on it, hoisted and fixed in position including taking out of existing unserviceable tank of capacity 1000 Ltrs complete all as specified and as directed.

Supply and laying in replacement CPVC pipes SDR 11 and plain CPVC SDR 11 fittings complete to walls, ceilings, floors or in trench etc of size 20 mm outer dia complete all as specified and as directed.

Material and labour for Plain Cement Concrete, (1:2:4), type B1 using 20 mm graded stone aggregate for pathways / pole coping complete all as specified and as directed.

All as per Sl Item No 18.00 above but 25mm dia.

All as per Sl Item No 18.00 above but 40mm 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:-

(a) 100mm dia bore.

(b) 150mm 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 :-

(a) 100mm dia bore.

(b) 150mm 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 alongwith 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 :-

(a) 80mm dia bore.

(b) 100mm dia bore.

(c) 150mm 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 :-

(a) 150mm dia bore.

(b) 100mm 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 machine through suitable tank and pump mounted on vehicle of private/State government on hiring basis and taking out sludge and transporting to suitable location complete all as specified and as directed by Engineer-in-Charge.

Supply and fix in replacement Direct-on-line (DOL) starter in sheet steel enclosure for single phase, 230 volts, 2 HP complete all as specified and as directed.

Supply and fix in replacement of Direct on line (DOL) starter in sheet steel enclosure suitable for mono block pump set upto maximum 5 HP capacity, 3 phase, 415V, 50Hz complete all as specified and as directed.

Supply and fix in replacement of fully automatic Star delta starter in sheet steel enclosure suitable for mono block pump set upto to maximum 12.5 HP capacity, 3 phase, 415V, 50 Hz complete all as specified and as directed.

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

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

Supply, install, testing and commissioning of Centrifugal Monoblock pumpset of Capacity 3 HP/2.2KW, 26 Mtr head, electric diven 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 and connect PVC insulated sheathed industrial flexible cable with multi stranded copper conductor of size 6 core 0.5 sq.mm including removing the old unserviceable cable 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 unseerviceable cable complete all as specified and as directed.

Supply and fix in repairs foot valve CI body flanged type of size 150 mm heavy grade and connecting to pipe line complete all as specified and as directed.

Supply and fix in repairs foot valve CI body flanged type of size 80 mm heavy grade and connecting to pipeline complete all as specified and as directed.

Supply and fix in repairs foot valve gun metal of size 65 mm heavy grade, screwed type for connecting to pipeline complete all as specified and as directed.

Supply and fix in repairs foot valve gun metal of size 50 mm heavy grade, screwed end for connecting to pipeline complete all as specified and as directed.

Supply and fix in repairs foot valve gun metal of size 40 mm heavy grade, screwed end for connecting to pipeline complete all as specified and as directed.

Supply and fix in repaird foot valve gun metal of size 25 mm heavy grade, screwed end for connecting to pipeline complete all as specified and as directed.

Material and labour for valve chamber of size 90x90x60cm 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 coats of synthetic enamel paint over one coat of primer incluiding dismantling the existing one complete all as specified and as directed by Engineer-in-Charge.

All as per Sl Item No 48.00 above but size of pit 90x90x90 cm with MS cover and angle iron frame complete all as specified and as directed.

All as per Sl Item No 48.00 above but size of pit 200x100x100 cm with MS cover and angle iron frame complete all as specified and as directed.

Removal of old MS cover plate and supply, fabricating and fixing of MS plate plain or chequred including two coats of black bituminous paints over a coat of red oxide primer incl provision of locking arrangement complete all as specified and as directed.

All as per Sl Item No 48.00 above but size of pit 120x100x90 cm 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 sluice valve all 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 150mm sluice valve all as directed.

Material and labour for dewatering cleaning of over head water storage tank of capacity 100000 litres with high pressure water jet to remove all masses, algae and dirt and removal of dirty water along with sludge using sludge machine and disposal of the same to a safe distance and including scrubbing of internal surfaces using industrial vacuum machine and cleaning of walls and ceiling with special mechanized by rotary jet machines which dislodges the layers of dirt,fungus struck on its surface and applying of anti bacterial sterilization spray to walls, floors and ceiling external surfaces of reservoirs and UG sumps where applicable including of vegetation growth upto from tanks and its vicinity a 10 mtr radius all as directed by Engineer-in-Charge. - NOTE :- The rate quoted by the contractor is deemed to include writing letters / figures (Block, Roman, Italic or Indian) n. exc 20cm height.(Date of tank cleaned in format of (DD/MM/YY) and Capacity of Tank in Gallons) with the help of stencils.

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

Material and labour for dewatering cleaning of underground sump of 66000 gallons capacity with high pressure water jet to remove all masses, algae and dirt and removal of dirty water along with sludge using sludge machine and disposal of the same to a safe distance and including scrubbing of internal surfaces using industrial vacuum machine and cleaning of walls and ceiling with special mechanized by rotary jet machines which dislodges the layers of dirt,fungus struck on its surface and applying of anti bacterial sterlization spray to walls, floors and ceiling external surfaces of reservoirs and UG sumps where applicable including of vegetation growth upto from tanks and its vicinity a 10 mtr radius all as directed by Engineer-in-Charge. NOTE:- The rate quoted by the contractor is deemed to include writing letters / figures (Block, Roman, Italic or Indian) n. exc 20cm height.(Date of tank cleaned in format of (DD/MM/YY) and Capacity of Tank in Gallons) with the help of stencils.

All as per Sl Item No 18.00 above but 50mm dia.

All as per Sl Item No 58.00 above but 45000 gallons capacity

All as per Sl Item No 58.00 above but 15000 litre capacity.

All as per Sl Item No 56.00 above but of 200000 litres capacity.

All as per Sl Item No 58.00 above but 10000 litre capacity.

All as per Sl Item No 62.00 above but the capacity upto 5 HP three phase pump set

All as per Sl Item No 62.00 above but the capacity 7.5 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, impeller,gland,bush 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 upto 3 HP single phase pump set complete all as specified and as directed.

All as per Sl Item No 62.00 above but the capacity 30 HP three phase pump set

All as per Sl Item No 66.00 above but the capacity upto 5 HP three phase pump

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 super enamelled copper winding wire and insulating by using class ‘F’ insulation keeping for drying, bring back to site, reassemble the motor and pump, fixing in position, connecting electric connections after replacement of terminal block & box, fan, fan cover, testing and commissioning for its satisfactory performance including taking down old unserviceable copper winding complete

all as specified and as directed for the capacity upto 3 HP single phase complete all as specified and as directed,

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 5 RM cable all as directed of capacity 7.5 HP complete all as specified and as directed.

Servicing of submersible pump sets 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 (d) Impeller (e) brass bush

Supply only love joy coupling (metal and rubber)complete with star bushes suitable for 5 HP to 30 HP centrifugal pump sets driven by motors complete all as specified and as directed.

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 bolts, nuts, washers, fixing and making all connection as per existing complete all as specified and as directed.

All as per Sl Item No 66.00 above but the capacity 30HP three phase pump.

Material and labour in repairs framed work such as grills, gratings,etc. with ends of bars shouldered and/or riveted, or forged into spikes, framed guard bars, barred iron doors, ladders, framed balusters, walk ways, railing, framework of water tanks/sumps and similar work conforming to Fe.290.Gde-E-165 complete all as specified and as directed.

Material and labour for complete servicing of RO water purifier upto 20 LPH 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.

Taking out submersible motor and pump of any capacity with connected pipe lines erected in bore well after with help of chain and pully block and disconnecting existing water and electric supply connections and transporting 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.

Testing of water with complete arrangements for carrying out of chemical analysis test of drinking water as per IS 10500:2012 (second revision) from NABL acredited laboratory all as directed. NOTE :- The Sample of drinking water for testing taken from the locations as directed and submit the report to Engineer-in-charge in duration of evey six month 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,valves,valve chambers,pump sets, starter panels etc., including preparation of old surfaces complete all as specified and as directed.

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

Material and labour for Aluminium strip 25 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 75 x 75 x 25 mm drilled & Screwed incl 3 Nos 8 mm dia 25 mm long hexagonal head screw complete all as specified and as directed.

Supply and fix Digital Electronic water level indicator to show the level of water of OHT/UG Sump including the sensor and control the motor pump at low water level complete all as specified and as directed.

Supply, install, testing and commissioning of Centrifugal Monoblock pumpset of Capacity 5 HP/3.7KW, 28 Mtr head, electric diven 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.

Material and labour for RO water purifier which includes multiple purification process, RO, UF, TDS control, 8L tank, single phase 230 volts of capacity 15 LPH complete all as specified and as directed. MAKE : Kent Su preme Plus/AO Smith Z9 Pro Black/Urban company Native M2

Supply and fixing in repairs LED Aviation obstruction light fitting with powder coated pressure die cast aluminium housing with polycarbonate enclosure with built -in LED chips including LED luminaires and fitting has to be fixed above the OHT tank of height 20/30 Mtr including all accessories pre wired and necessary electric connection complete all as specified and as directed.

Supply only water testing kit for testing PH, turbidity,total hardness,total chlorides, residual chlorine, iron, nitrates,flouride and bacterial of water complete all as specified and as directed.

Supply and fixing of Modular blanking plate with frame 4 module complete all as specified and as directed.

Supply and fix Modular switch 6 Amp one way 1 module 230 Volts AC complete all as specified and as directed.

Supply and fix Modular Socket outlet 2in1, 2/3 pin 6 Amps, 2 Module,230 Volts AC complete all as specified and as directed.