REPAIR/MAINTENANCE OF WATER SUPPLY INSTALLATION AND CENTRIFUGAL PUMP,MOTOR,LT CONTROLPANELS, STARTERS,LT CABLES, APFCPANEL BOARD,LIGHTFITTINGS, LEAKPROOFVALVES AT HAIGLINE PUMPHOUSE,TRISHUL LINE PUMPHOUSE AREA UNDER AGEE/M NO 1 OF GE(U) SECBAD

Amount

M&L disconnecting the suction and delivery pipe lines, electric and water connections of centrifugal motor pump set 5 HP capacity and removing it from its position carefully and transporting the same to the workshop for carryout necessary repairs and refixing the same in its original position and re-connecting up of water and electric connections including testing and commissioning complete all as specified and directed. Notes:- (i) Expendable stores like cotton waste / cleaning materials, lubricants, gland packing, metal filling, machining and transportation from site to the work shop and back are deemed to be included in unit rate quoted. (ii) Labour element is deemed to be included in unit rate quoted.

Supply only the following spares as in repairs for centrifugal/ mono block pump set upto 5 HP capacity :-

Ball bearing drive end

Ball bearing for non driving end

GM bush

CI impeller

MS pump shaft

Gland cover

M&L disconnecting the suction and delivery pipe lines and electric and water connections of centrifugal motor pump set 2/3 HP capacity and removing it from its position carefully and transporting the same to the workshop for carryout necessary repairs and refixing the same in its original position and re-connecting up of water and electric connections including testing and commissioning complete all as specified and directed. Notes:- (i) Expendable stores like cotton waste / cleaning materials, lubricants, gland packing, metal filling, machining and transportation from site to the work shop and back are deemed to be included in unit rate quoted. (ii) Labour element is deemed to be included in unit rate quoted.

Supply only the following spares as in repairs for centrifugal/ mono block pump set upto 2/3 HP capacity

Rotor shaft of booster pump motor 3 phase, 415 Volts, 2 HP/3 HP

Ball bearing for 2 HP booster pump Make : SKF bearing No - 6304-2z or equivalent make and model as approved by GE.

Ball bearing for 3 HP motor pump Make : SKF bearing No - 6305-2z or equivalent make and model as approved by GE.

Gun Metal impeller suitable for 3 HP multistage centrifugal pump set of 60 Mtr delivery head

Gland plate of pump set upto 3 HP of monoblock pump

M&L dismantling and strip opening the pump including disconnecting the suction, delivery, vaccum pipe lines and coupling and removing it from its position carefully and transporting the same to the workshop for carryout necessary repairs and refixing the same in its original position after repairs including overhauling the pump set, renewal of gasket to pump, suction and delivery lines, gland packing, greasing nuts, bolts and washers, re-connecting up of the electric / water connections etc including testing and commissioning complete all as specified and directed for the following capacities:-

Pump capacity 100 HP to 180 HP

Pump capacity 20 HP Notes:- (i) Expendable stores like cotton waste / cleaning materials, lubricants, gland packing etc., and transportation from site to work shop and back are deemed to be included in unit rate quoted. (ii) Labour element is deemed to be included in unit rate quoted. (iii) The make of existing pumps are Kirloskar/Mather&platt

M&L Dismantling and strip opening the motor completely including disconnecting the cable connections and coupling of the motor removing the starter and rotor units, bearings complete servicing the motor assembly including cleaning the carbon deposits with carbon tetra chloride, greasing the bearings etc., heat varnishing the motor windings by applying varnish and keeping the windings into the hot air oven till the moisture evaporates complete at authorized workshop including transportation and refit the same after repairs and re-connecting up of the electric connections including testing and commissioning complete all as specified and directed for the following capacities:-

Motor 180 HP capacity, Make : Kirloskar / Crompton greaves (Location : Pump No. 1 Trishul line feeder)

Motor 150 HP capacity, Make : Kirloskar / Crompton greaves, (Location : Pump No. 4 trishul line feeder)

Motor 125 HP capacity, (Location : Trishul line Pump House) Make : Hindustan brown/Kirloskar or equivalent as approved by GE.

Motor 100 HP capacity, (Location : Haig line Pump House) Make : Hindustan brown/Kirloskar or equivalent as approved by GE.

Motor 20 HP capacity, (Location : Haig line Pump House) Make : Hindustan brown/Kirloskar or equivalent as approved by GE. Notes:- (i) Expendable stores like cotton waste / cleaning materials, lubricants, gland packing etc., and transportation from site to work shop and back are deemed to be included in rate quoted. (ii) Labour element is deemed to be included in unit rate quoted.

M&L cutting and taking out the unserviceable / burnt out copper winding from the electric motor, preparation of the surface and rewinding the same with super enameled copper conductor with ‘F’ class heavy grade insulation, weight and turns to achieve its full efficiency including tying the winding and connecting the coils and brining the connections as that of existing one including applying insulating varnish, heating and backing the windings thoroughly with necessary insulating materials complete all as specified for the capacities 20 HP to 180 HP

M&L renewal of worn out / unserviceable ball bearings from the induction motor with the same size and capacity for the following motors :-

SKF Ball bearing No.6318- 2z for Electric motor of capacity 180HP, 3 Phase. Make : Kirloskar or equivalent as approved by GE.

SKF Ball bearing No 6316 -2z for Electric motor of capacity 150HP, 3 Phase. Make : Kirloskar or equivalent as approved by GE.

SKF Ball bearing No 6315 - 2z for Electric motor of capacity 125 HP, 3 Phase. Make : Hindustan Brown Breware or equivalent as approved by GE. .

SKF Ball bearing No 3309 ATN9 / 6314- 2z for Electric motor of capacity 100HP, 3 Phase. Make : Hindustan Brown Breware or equivalent as approved by GE.

SKF Ball bearing No. 6309-2z suitable for 20 HP motor

Metalling to the shaft with turning, leveling, finishing etc., to suit the centrifugal pump sets of the following capacity :-

Shaft suitable for 180 HP pump set of make : Kirloskar, 100/150 LGME, MK-1

Shaft suitable for 150 HP pump set of make : Kirloskar, Type DSM-150/46

Shaft suitable for 125 HP Pump set of Make : Mother & Platt, type 6/8 two stages Medivani.

Shaft suitable for 100HP Pump set of Make : Mother & Platt, type 6/8 two stages Medivani.

Shaft suitable for 20 HP Pump set of Make : Mother & Platt, type 6/8 two stages Medivani.

Supply only the following items as in repairs suits to the centrifugal pump set of capacity 125HP, Make : Mather&platt, type 100/150, LGME MK-1 and Kirloskar

Pump Shaft.

Metal distance bushes.

Cross rings for impellers of suitable size

Metal distance guides.

Impeller guide bush.

Impeller lock nut

Shaft sleeves

Gland bushes

Gland sleeves

Metal gland with studs & nuts

Steel checknut for shaft

Bronze Impeller

Supply only the following items as in repairs suits to the centrifugal pump set of capacity 150HP, Make : Kirloskar type DSM 150/46 .

Pump Shaft.

Metal distance bushes.

Cross rings for impellers of suitable size

Metal distance guides.

Impeller guide bush.

Impeller lock nut

Shaft sleeves

Gland bushes

Gland Sleeves

Metal gland with studs & nuts

Steel checknut for shaft

Bronze Impeller

Supply only the following items as in repairs suits to the centrifugal pump set of capacity 180HP. Make : Mother & Platt type 6/8 two stage Medivane.

Pump Shaft.

Metal distance bushes.

Cross rings for impellers of suitable size

Metal distance guides.

Impeller guide bush.

Impeller lock nut

Gun metal shaft sleeves

Gun metal gland bush

Gun metal gland Sleeves

Metal gland with studs & nuts

Steel checknut for shaft

Bronze Impeller Code 84139120

Supply only the following items as in repairs suits to the centrifugal pump set of capacity 100HP. Make : Mother & Platt type 6/8 two stage Medivane.

Pump Shaft.

Metal distance bushes.

Cross rings for impellers of suitable size

Metal distance guides.

Impeller guide bush.

Impeller lock nut

Gun metal shaft sleeves

Gun metal gland bush

Gun metal gland sleeves

Metal gland with studs & nuts

Steel checknut for shaft

GM/CI Impeller

Supply only the following items as in repairs suits to the centrifugal pump set of capacity 20HP :-

CI impeller

Pump Shaft.

Metal distance bushes.

Cross rings for impellers of suitable size

Metal distance guides.

Impeller guide bush.

Impeller lock nut

Gun metal shaft sleeves

Gun metal gland bush

Gun metal gland sleeves

Metal gland with studs & nuts

Steel checknut for shaft

Supply and fixing the following common spare parts suitable for 100/125/150/180 HP centrifugal pump set including removing of old unserviceable items :-

Pressure gauge of suitable size.

Vacuum Pressure guage

Air pipe of suitable size & model with copper with proper nut etc.

Air release cock 25mm dia brass.

Water flow indication unit 150mm dia with transparent sheet.

Air release valve .

Coupling unit with suitable bolt, nuts,washer and rubber bushes.

Supply only Gland dory of 12mm

Supply only Gland dory of 10mm

Supply only Greace

S&F for power contactor confirming to IS, 300 Amps AC 3 rating, 415 volts, 3 pole, type ML-12 with necessary inter connections including removing of the unserviceable contactor, testing and commissioning complete all as specified and directed. Make:- L&T Cat No SS91010 or equivalent make in IndioAsian/Leagrand/HPL as approved by GE.

S&F for power contactor confirming to IS, 250 Amps AC 3 rating, 415 volts, 3 pole, type MNX 250 with necessary inter connections including removing of the unserviceable contactor, testing and commissioning complete all as specified and directed. Make:- L&T Cat No CS94141 or equivalent make in IndioAsian/Leagrand/HPL as approved by GE.

S&F for power contactor confirming to IS, 110 Amps AC 3 rating, 415 volts, 3 pole, type MNX 110 with necessary inter connections including removing of the unserviceable contactor, testing and commissioning complete all as specified and directed. Make:- L&T Cat No CS94137 or equivalent make in IndioAsian/Leagrand/HPL as approved by GE.

S&F for spare contact kit voltage of 440 volts, 50 cycle confirming to IS, 300 Amps, 3 pole, type ML-12 with necessary inter connections suitable for 180 to 220 HP electric motor, testing and commissioning including removing the unserviceable one complete all as specified and directed. Make : L&T Cat No : SS95317 or equivalent make in IndioAsian/Leagrand/HPL as approved by GE.

All as per item No 36 above but ML-10, 200 Amps power contactor. Make:- L&T Cat No SS95315 or equivalent make in IndioAsian/Leagrand/HPL as approved by GE.

S&F for spare coil suitable for power contactor of 440 volts, 50 cycle confirming to IS, 200 to300 Amps rating suitable for 125 to 220 HP electric motor, type ML 10/12, testing and commissioning including removing the unserviceable one complete all as specified and directed. Make : L&T Cat No : SS91011 or equivalent make in IndioAsian/Leagrand/HPL as approved by GE.

S&F for spare coil suitable for power contactor of 440 volts, 50 cycle confirming to IS, 110 to 250 Amps rating suitable for 100 to 150 HP electric motor, type MNX 250, testing and commissioning including removing the unserviceable one complete all as specified and directed. Make : L&T Cat No : CS94444 or equivalent make in IndioAsian/Leagrand/HPL as approved by GE.

S&F for spare coil suitable for power contactor of 440 volts, 50 cycle confirming to IS, 110 to 200 Amps rating suitable for 100 to 150 HP electric motor, type MNX 110, testing and commissioning including removing the unserviceable one complete all as specified and directed. Make : L&T Cat No : CS96392 or equivalent make in IndioAsian/Leagrand/HPL as approved by GE.

S&F for thermal overload relay with built in single phasing prevention (CT Operated), 3 phase of capacity 180-300 Amps, suitable for 3 phase star delta starter, type MN12, 440 volts with necessary fixing materials including disconnecting and removing the old unserviceable one complete all as specified and directed. Make : L&T Cat No : SS94127OOQO or equivalent make in schiender /Leagrad as approved by GE.

S&F for electronic timer switch ST 100, 240/360/415 volts, Range 3 to 30 sec with mounting kit suitable for old unserviceable ET 100 replacement one complete all as specified and directed. Make : L&T Cat No : ST80328OOOO or equivalent make in IndioAsian/Leagrand/ HPL as approved by GE.

M & L for one coat of painting with synthetic enamel paint of approved colour to steel and iron surfaces of Panel board of any description including preparation of old painted surfaces complete all as specified and directed.

M & L for one coat of painting with synthetic enamel paint of approved colour on plastered surfaces of any description including preparation of old painted surfaces complete all as specified and directed.

Complete removal of existing treatment including preparation of old painted surfaces by washing, rubbing down and stopping of painted surfaces, painting with one coat of synthetic enamel paint of approved colour on centrifugal pump set of 100 HP capacity including inlet, outlet mains, coupling, sluice valve, non return valve, base plate, pulley with safe guard, vacuum pipe line, LT panel board and writing the MES / SM number with black paint of suitable size of letters complete all as specified and directed.

All as per item No 31 here-in-before but for 125 HP capacity pump set.

All as per item No 31 here-in-before but for 150 HP capacity pump set.

All as per item No 31 here-in-before but for 180 HP capacity pump set.

Complete removal of existing treatment including preparation of old painted surfaces by washing, rubbing down and stopping of painted surfaces, painting with one coat of synthetic enamel paint of approved colour to OH Crane complete and servicing the chain pulley block by applying grease etc complete all as specified and directed.

Taking up defective cast iron water mains (including all fittings), with spigot and socket ends and lead joints including burning out joints and recovering lead from ground, cleaning the pipes free from sedimentation/scaling etc for reusing the serviceable pipes complete all as specified and directed for the following sizes:-

150mm bore.

200mm bore.

300mm bore. Note:- Excavation and earth work and lead joints shall be measured and paid separately.

Re-laying only cast iron pipes obtained from in item No.36.01 to 36.03 here-in-before including laying level or to falls, in trenches, on the ground or on supports complete all as specified and directed for the following sizes:-

150mm bore.

200mm bore.

300mm bore. Note:- Excavation and earth work and lead joints shall be measured and paid separately.

S&F Ductile iron pressure pipes 150 mm bore class K9, centrifugally cast with spigot and socket ends conforming to IS 8329/2000 with cement mortar lining inside the pipes and outside zinc coating suitable for push-on-joint (rubber gasket D jointing) in any length including DI specials as required at site confirming to IS 8329/2000 and all jointing materials and making good for disturbed surfaces of roads, path ways etc while laying the pipe line at site, site clearance for the route of pipe line, welding, cutting the existing CI/DI/MS pipe line of any size up to 150 mm bore for inserting branch connections etc complete including taking down old unserviceable CI pipes all as specified and directed.

All as per item No.38 here-in-before but ductile iron pressure pipes 200 mm bore class K9

All as per item No. 38 here-in-before but ductile iron pressure pipes 300 mm bore class K9, Notes for item No. 38 to 40 :- (a) DI pipe shall be laid in trenches at a depth of 1.0 to 1.5 m below the existing GL (b) Lead Joints / D-Joints will be measured and paid separately. (c) The contractor is responsible for obtaining the approval from Police Department for Traffic Diversion and related works if required in consultation with the MES department. (d) Contractor is responsible for repair/replacement of any damages to the existing structures, Underground HT/LT/OFC Cables etc during the course of execution.

M&L for CI fittings for spigot and socket pipes such as bends (any type, radius and angle), tapers any type (straight, bend, increasing, decreasing or double socket etc), tee pieces, angle branch, cross (all sockets or socket & spigot collars, caps and plugs for joining up to 150 mm bore CI pipe as in repairs complete all as specified and directed.

M&L for Construction of brick masonry valve chamber of size 1000 x 1000 x 1000 mm (Internal dimensions) with PCC foundation 1:4:8 type D2 using 40 mm graded stone aggregate 150 mm thick, 150 mm wide off sets all round over 100 mm thick hard core, brick masonry walls built in CM 1:6, 50 mm thick PCC 1:2:4 Type B1 coping finished even and smooth, rendering 10 mm thick in cement mortar (1:6) finished even and smooth, without using extra cement internally and 150mm below GL externally and top of floor including excavation, earth work in hard/dense soil, 5 mm thick MS sheet cover fixed on 50 mm x 50 mm x 6 mm thick angle iron frame with hold fasts embedded in PCC coping with locking arrangement, mild steel handle and painting to steel surfaces with two coats of synthetic enamel paint over one coat of red oxide primer including disposal of surplus soil to a distance not exceeding 50 m etc complete all as specified and directed.

M&L earthing in replacement complete with galvanised steel earth plate electrode 60cm x60cm x6mm thick buried directly in ground earth pit not less than 2.25 mtr deep below normal ground level) with top edge of plate not less than 1.5m below ground level, connecting to the Galvanised iron earth strip 32 x 6mm dia, by means of nuts, bolts, check nuts and washer etc of galvanised iron and earth lead protected by provision of GI pipe medium grade 40mm bore from earth electrode to test point including provision of concrete pit in PCC (1:2:4) type B-1 using 20mm graded stone aggregates with 40mm thick cover of RCC (1:2:4) reinforced with XPM sheet (weight not less than 4Kg/Sqm) and frame of angle iron 25 x 25 x 6mm with lugs 2 Nos and with 8mm dia MS bar handle made to shape, GI pipe medium grade 20mm bore pipe for watering perforated at bottom 1.75 mtr long placed on top edge of earth plate, common salt and charcoal filling test point with fixing arrangement, funnel, wire mesh and earth work in hard/dense soil, returning in and removal of surplus soil to a distance not exceeding 50mtr, complete all as specified in electrical plate No 3 of SSR Part I and connection to earth test point including testing on completion all as directed. Note :- Quoted rate of Item of earthing shall be deemed to includes cost of 7.5m long galvanised iron earth strip of 32 x 6mm size and protection pipe of 40mm bore GI medium grade.

Supplying, erecting and fixing steel tubular swaged poles with cast iron base plate of size 300mm x 300mm x 6mm, finial taper plug, bolts, nuts & screws for type 410 SP-31 (9.0 meters long) including painting with two coats of aluminium paint over one coat of red oxide primer on all exposed surfaces and tarring with black bituminous paints to embedded portion in PCC and providing 3 Nos of 30cm wide circular bands with black & yellow paint starting from plinth level at a gap of 30 cm in between 2 bands and numbering of poles, in yellow paint over black painted back ground at a height of 2m from bottom of pole with 5 cm large bold letters 2" (inch) wide including taking down old unserviceable PCC or steel tubular swaged poles of any type complete all as specified and directed. Note: Excavation, earth work, PCC in foundation and coping shall be measured and paid separately under relevant item of this schedule.

Excavation in trenches, n exc 1.5 m wide and n exc 1.5 m in depth, for foundation of PCC/Steel pole, laying of cable in trenches etc and getting out in hard / dense soil complete all as specified and directed.

All as per item No 45 here in before but depth above 1.5 m & below 3m

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exc 25 cm in soils complete all as specified and directed.

Removing excavated material (soils) n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and directed.

M&L filling approved river sand in trenches for sand cushioning of laying of cables to the full width of excavated trench 8 cm thick before laying the cable and 15 cm above the cable, gently punned down, stretching and testing of cable on transformer yard etc complete all as specified and directed. Note :- Thickness of sand cushion after punning down shall be measured for payment.

Supply and Lay un-reinforced precast concrete cable covers, class LV, type-I, flat of size 250mm x 150mm x 40mm laid across in trenches for cable protection complete all as specified and directed.

M&L for PCC 1:3:6 type C1 using 20mm graded stone aggregate in coping of poles / foundation for poles, struts, posts etc including necessary form work, finished the exposed surfaces fair and even without using extra cement complete all as specified and directed.

M&L for PCC 1:3:6 type C2 using 40mm graded stone aggregate in coping of poles / foundation for poles, struts, posts etc including necessary form work, finished the exposed surfaces fair and even without using extra cement complete all as specified and directed.

M&L for XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area laid in trenches / duct or fixed to wall / passing through pipe on pole with suitable size cable glands, crimping type cable lugs for stranded aluminium conductor of following sizes as in replacement complete all as specified and directed :-

2 core X 10 Sqmm

4 Core X 16 Sqmm

3.5 Core X 25 Sqmm

3.5 Core X 50 Sqmm

3.5 Core X 95 Sqmm

3.5 Core X 120 Sqmm

3.5 Core X 185 Sqmm

S& F in replacement of old unserviceable copper lugs after cutting the worn out /faulty cable end from star delta starter panel box including necessary earth work for taking out the cable from loop line, returning, filling in and making cable lead by providing copper lugs including crimping with crimping tools in the existing size upto 25 to 70 Sqmm including necessary connection complete all as specified and directed.

All as per item No 54 here-in-before but copper lugs of size 95 to 120 Sq mm.

S&F new generation energy saving and environmental friendly long life versatile pressure die cast aluminium IP66 road way light fitting with high power LED as light source of capacity 60 watts with suitable drivers etc and connecting with 4.0 sqmm aluminium conductor PVC insulated twin core weather proof cable etc, fixing to wall / pole with and , fixed to Pole/Wall in any position with flat iron clamps of size 30 x 4mm including taking down old unserviceable street light fitting of any type and capacity complete all as specified and directed. Make:- Bajaj Cat Part No BRTFG 60W LED V3 or equivalent model of Philips/Havells as approved by GE.

S&F in repairs Electronic drivers suitable for 60W LED light fittings suitable to operate on input voltage of AC 85-265 V, 50 Hz, Output DC 42-65 V, 300 MA, 0.95 PF all as directed. Make: Bajaj Cat Part No. BGD 36 185 5Y or equivalent make in HPL/Havells/ Philips as approved by GE.

S&F in repairs Electronic drivers suitable for 200W LED light fittings suitable to operate on input voltage of AC 135-265 V, 50 Hz, Output DC 36 V, max 350 MA, 0.95 PF all as directed. Make: Bajaj Cat Part No. BRFLD 120W or equivalent as approved by GE.

Supply, lay, commissioning and testing of straight through jointing Kit for LT 1100V grade heat shrinkable type joint with jointing material and accessories suitable for aluminium conductor cable of size from 95 to 240 sqmm, 3.5 Core complete all as specified and directed.

S&F MCCB 250 Amps, 4 pole, 415 Volts with rupturing capacity 50 KA with adjustable magnetic and adjustable thermal settings as in repairs complete all as specified and directed. Make:- L&T Cat No: CM92171OOPOOG or equivalent make in Havells/Legrand /IndoAsian/Schneider/Standard as approved by GE. .

S&F MCCB 400 Amps, 4 pole, 415 Volts with rupturing capacity 36 KA with adjustable magnetic and adjustable thermal settings as in repairs complete all as specified and directed. Make:-C&S Cat No: CSE3N400ATM4P or equivalent make in Havells/L&S /IndoAsian/Schneider/Standard as approved by GE.

S&F MCCB 63Amps, 4 pole, 415 Volts with rupturing capacity 25 KA with adjustable magnetic and adjustable thermal settings as in repairs complete all as specified and directed. Make:-C&S Cat No: CSE1M125ATM4PP or equivalent make in Havells/L&S /IndoAsian/Schneider/Standard as approved by GE.

S&F MCCB 160 Amps, 4 pole, 415 Volts with rupturing capacity 25 KA with adjustable magnetic and adjustable thermal settings as in repairs complete all as specified and directed. Make:- Havells/L&S /IndoAsian/Schneider/Standard as approved by GE. .

S&F MCCB 100 Amps, 4 pole, 415 Volts with rupturing capacity 25 KA with adjustable magnetic and adjustable thermal settings as in repairs complete all as specified and directed. Make:- Havells/L&S /IndoAsian/Schneider/Standard as approved by GE.

S&F connecting and testing MCB isolator three pole and neutral 440 volts of capacity 40 A 16 KA 50 'C" curve complete

Supply only power factor correction capacitor, 5 KVAR, heavy duty 440 Volts 50 Hz complete including taking down old unserviceable capacitor complete all as specified and directed.

All as per item No 67 here-in-before but 10 KVAR Capacitor Bank

All as per item No 67 here-in-before but 20 KVAR Capacitor Bank

All as per item No 67 here-in-before but 25 KVAR capacitor Bank Make for item No to L&T Cat No LTBCH or equivalent make in HPL/Standard/Havells/Schneider as approved by GE.

All as per item No 67 here-in-before but APFC relay with auto-set function 8 stage Make L&T Cat Part No CS90902OOOO or equivalent make in Schneider/HPL/Indo Asian as approved by GE.

M&L for advance Maintenance free G.I SAFE Earthing Electrode with PIPE of not less than 50 mm outer dia (THICKNESS NOT LESS THAN - 2.5 MM) and two meter length, The electrode should be of galvinised (80-100 micron) along with earth lead as Galvanised steel strip of size 32 x 6 mm, 7.5 m. The GI Electrode shall be pre-filled with Crystalline shall be surrounded with 25 Kg backfill compound to provide maximum contact between the electrode and back fill compound. The earthing pit should be cover with PCC(1:2:4, B1) cover of 450 x 450 mm complete all as specified and directed.

Supply and laying pipes ERW steel including specials, nominal dia 150mm as per IS 3589 (1981) 6.00mm thick and including taking down of unserviceable ERW/CI pipe complete all as specified and directed by Engr-in-charge.

Supply and laying pipes ERW steel including specials, nominal dia 200mm as per IS 3589 (1981) 6.00mm thick and including taking down of unserviceable ERW/CI pipe complete all as specified and directed by Engr-in-charge.

Supply and laying pipes ERW steel including specials, nominal dia 300mm as per IS 3589 (1981) 6.00mm thick and including taking down of unserviceable ERW/CI pipe complete all as specified and directed by Engr-in-charge.

Supply and fixing in replacement of DI rising Spindle Resilient seated Gate Valve PN 2 (Soft Sealed) soft sealing gate valves (Sluice valves) with body bonnet of ductile cast iron of grade GGG-40/SG-400/15 or GGG-50/SG-500/7 or equivalent grade as per IS 3896- Part - 2-1985 and subsequent revisions, wedge fully rubber lined with EPDM food grade quality and Seals of NBR and the valve should be vacuum tight and 100 % leak proof with face to face dimension as per BS 5163-89/IS 14846-2000/DIN 3202 F4 and Valves should be electrostatic powder coating both inside and outside pocket less body passage. Including all jointing materials (Gasket, Nut bolts etc) connecting, testing and taking down old unserviceable sluice valve complete all as specified and directed:-

150 MM Dia

200 MM Dia

250 MM Dia

300 MM Dia

Supply and fixing in replacement of DI rising Spindle Resilient seated Gate Valve PN 1.6 (Soft Sealed) soft sealing gate valves (Sluice valves) with body bonnet of ductile cast iron of grade GGG-40/SG-400/15 or GGG-50/SG-500/7 or equivalent grade as per IS 3896- Part - 2-1985 and subsequent revisions, wedge fully rubber lined with EPDM food grade quality and Seals of NBR and the valve should be vacuum tight and 100 % leak proof with face to face dimension as per BS 5163-89/IS 14846-2000/DIN 3202 F4 and Valves should be electrostatic powder coating both inside and outside pocket less body passage. Including all jointing materials (Gasket, Nut bolts etc) connecting, testing and taking down old unserviceable sluice valve complete all as specified and directed:-

80 MM Dia

100 MM Dia

150 MM Dia

200 MM Dia

250 MM Dia

300 MM Dia

S&F in repairs new generation post of top lantern energy saving environmental friendly, long aesthetically designed with symmetrical light distribution, spun aluminium landscape with high power LED as light source IP66 LED as light source of capacity 25 watts with suitable drivers, 10 KVA in built surge protection etc and connecting with 2.5 sqmm copper conductor PVC insulated three core weather proof cable etc, including taking down old unserviceable gate light fitting of any type and capacity complete all as specified and directed. Make:- HAVELLS Cat No. RUBYPT25WLED757PSYMTOPC or equivalent in Wipro/Philips as approved by GE. Notes : Contractor has to produce LM-79/ LM-80 certificate along with purchase vouchers.

S&F in repairs AMR Ultrasonic water meter with in built LoRa WAN Communication of 300 mm dia including cutting of existing pipe line to install water meter connection, earth work , and Weather proof outdoor Panel board to fix display unit, made out of 3 mm thick MS sheet duly powder quoted mounting legs made out of 25mm x 25mm x 6mm angle iron grouted in PCC block of size 30cm x 30cm x 90cm (30cm depth below ground level and 60cm above ground level) in cement concrete 1:3:6, type C-2 (using 40mm grade crushed stone aggregate), including excavation and earth work, returning filling and removal of surplus soils, including taking out old unserviceable complete all as specified and directed by Engineer-in-charge. Make: - Approved by Hyderabad Metropolitan Water Supply and Sewerage Board (HMWSSB).

Srinivash Engineers

M Laxmana Rao and Sons

sandhya enterprises

Srinivasa Consructions