REPAIR MAINTENANCE OF EXTERNAL WATER SUPPLY OF MAIN DISTRIBUTION LINE ALONGWITH SLUICE VALVE VALVE CHAMBER PUMP MOTORS SUBMERSIBLE PUMP SET CLEANING OF OVER HEAD TANK UNDER GROUND SUMPS AND OTHER CONNECTED ITEMS IN KANKINARA AREA UNDER GE NORTH KOLKA

Amount

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth and getting out in soft / loose soil for taking out pipe line etc complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm in Soft/loose soil complete all as specified and directed.

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

Cutting hard standing / road for laying of pip line etc not exc 30 cms wide and not exc 30 cms deep, and getting out in soft/loose soil, etc complete all as specified and as directed.

Material and labour for PCC (1:3:6) type C-2 (using 40 mm graded aggregate) not exc 30 cms wide and not exc 30 cms for filling and making good of disturbed surfaces of road/hard standing etc complete all as specified and as directed.

Material and labour in replacement rubber gasket joint (tyton joint) for ductile iron pipe, up to 150mm bore with all material including testing complete, complete all as specified and directed.

Supply and fix in repairs rubber insertion/gasket 6mm thick for 100mm and 150mm dia pipe joints flanged type complete all as specified and as directed.

Supply and fix in replacement 80 mm bore cast iron sluice valves, (ISI marked) PN 1.6 conforming to IS-14846/2000, both end flanged,with stainless steel spindle, iron hand wheel including all necessary fixing and jointing arrangement such as MS nuts,bolts, washers and gasket etc and testing complete including taking down old unserviceable sluice valve complete all as specified and as directed. Make: KALPANA / UPADHYA / Zoloto / Leader.

All as per item No 8 above, but for size 100 mm bore complete all as specified and as directed

All as per item No 8 above, but for size 150 mm bore complete all as specified and as directed

All as per item No 8 above, but for size 200 mm bore complete all as specified and as directed

Supply and fix in replacement 100 mm bore cast iron butterfly valves, Non rising type, (ISI marked) PN 1.6 conforming to IS-14846/2000, both end flanged,with stainless steel spindle, iron hand wheel including all necessary fixing and jointing arrangement such as MS nuts,bolts, washers and gasket etc and testing complete including taking down old unserviceable sluice valve complete all as specified and as directed. Make: KALPANA / UPADHYA / Zoloto / Leader.

Dismantling and taking down the clogged/unserviceable Sluice valve of size 200/150/100/80 mm and refixing the same after minor repair and changing of gasket of suitable size and any other item required will be included in quoted rate item required (which shall be measured and paid separetely as supply only) complete all as specified and directed by Engr-in-charge.

Suppy only SS Spindle and nut for sluice valves of 200 mm dia bore complete all as specified and directed.

All as per item No 14 above but Nut bolts, washers for flange complete all as specified and directed.

All as per item No 14 above but Flange Rubber Gasket complete all as specified and directed.

All as per item No 14 above but Hand wheel complete all as specified and directed.

All as per item No 14 above but MS flange single 16/20 mm complete all as specified and directed.

Suppy only SS Spindle and nut for sluice valves of 150 mm dia bore complete all as specified and directed.

All as per item No 19 above but Nut bolts, washers for flange complete all as specified and directed.

All as per item No 19 above but Flange Rubber Gasket complete all as specified and directed.

All as per item No 19 above but Hand wheel complete all as specified and directed.

All as per item No 19 above but MS flange single 16/20 mm complete all as specified and directed.

Suppy only SS Spindle and nut for sluice valves of 100/80 mm dia bore complete all as specified and directed.

All as per item No 24 above but Nut bolts, washers for flange complete all as specified and directed.

All as per item No 24 above but Flange Rubber Gasket complete all as specified and directed.

All as per item No 24 above but Hand wheel complete all as specified and directed.

All as per item No 24 above but MS flange single 16/20 mm complete all as specified and directed.

Material & labour for construction of brick masonry valve pit chamber including necessary excavation and earth work and demolition of old damaged valve pit chamber complete with frame and MS cover alongwith locking arrangements (3mm thick with staffen and two handles), making of PCC work (1:2:4 ) type C1 foundation for size (1000x1000x1000 mm) internal dimension complete all as specified and directed.

Material & labour for construction of brick masonry valve pit chamber including necessary excavation and earth work and demolition of old damaged valve pit chamber complete with frame and MS cover alongwith locking arrangements (3mm thick with staffen and two handles), making of PCC work (1:2:4 ) type C1 foundation for size (900x900x900 mm) internal dimension complete all as specified and directed.

Taking down cast Iron/DI water mains 80mm bore (including all fittings), with spigot and socket ends and lead joints including burning out joints for recovering lead including stacking of serviceable pipes aside complete all as specified and as directed.

All as per item No 31 above but for 100mm bore of pipe complete all as specified and directed.

All as per item No 31 above but for 150mm bore of pipe complete all as specified and directed.

All as per item No 31 above but for 200mm bore of pipe complete all as specified and directed.

Relaying of old serviceable cast iron/ DI pipe 80 mm bore obtained from serial no 19 here in before with spigot and socket ends in new or old position in any length, laid in trenches after cleaning of inner surface and applying with two coats of black bituminous paint (sutiable for drinking water purpose) including testing complete all as specified and directed.

All as per item no 35 above but for 100 mm bore complete all as specified and directed.

All as per item no 35 above but for 150 mm bore complete all as specified and directed.

All as per item no 35 above but for 200 mm bore complete all as specified and directed.

Supply, laying and jointing of ductile iron pipes of 200 mm bore with spigot and socket ends sutiable for tyton joint (Rubber gasket joint) centrifugally cast class (K-9) for drinking water supply, inner side cement lining outer side black bitumen coating and any lenght, laid on RCC pillars or trenches/wall including testing, jointing with jointing materials with ISI marked complete all as specified and directed.

Supply, laying and jointing of ductile iron pipes of 150 mm bore with spigot and socket ends sutiable for tyton joint (Rubber gasket joint) centrifugally cast class (K-9) for drinking water supply, inner side cement lining outer side black bitumen coating and any lenght, laid on RCC pillars or trenches/wall including testing, jointing with jointing materials with ISI marked complete all as specified and directed.

Supply, laying and jointing of ductile iron pipes of 100 mm bore with spigot and socket ends sutiable for tyton joint (Rubber gasket joint) centrifugally cast class (k-9) for drinking water supply, inner side cement lining outer side black bitumen coating and any lenght, laid on RCC pillars or trenches/wall including testing, jointing with jointing materials with ISI marked complete all as specified and directed.

Supply, laying and jointing of ductile iron pipes of 80 mm bore with spigot and socket ends sutiable for tyton joint (Rubber gasket joint) centrifugally cast class (k-9) for drinking water supply, inner side cement lining outer side black bitumen coating and any lenght, laid on RCC pillars or trenches/wall including testing, jointing with jointing materials with ISI marked complete all as specified and directed.

Supply and fix MS pipe heavy grade with all fittings for column pipe of size 100 mm bore including taking down of old u/s pipe complete all as specified and directed.

Supply & Fixing in replacement 20mm bore, Ball valves high pressure of PTMT with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe and fixed (Minimum weight 210 gms) complete all as specified and directed. (MAKE: Prayag/ as specified in PS)

Supply & Fixing in replacement 25mm bore, Ball valves high pressure of PTMT with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe and fixed (Minimum weight 455 gms) complete all as specified and directed. (MAKE: Prayag / as specified in PS)

Supply and Fixing the PVC cover suitable for PVC water tank of any capacity and size including locking arrangement including removing broken / unserviceable PVC cover complete all as specified and directed.

Material & Labour for Run lead joints for 80mm bore cast iron pipes and fittings etc., (Spigot and Sockets) including testing complete all as specified and as directed.

All as per Item No 47 above but for 100mm bore pipes complete all as specified and as directed.

All as per item No 47 above but for 150mm bore of pipe complete all as specified and as directed.

All as per item No 47 above but for 200mm bore of pipe complete all as specified and as directed.

Taking out from trenches or taking down from wall GI steel tubing and connections, 20 mm bore, setting aside and cleaning the serviceable pipe for re-laying/ re-fixing or removal of unserviceable pipe from site of work complete all as specified and as directed.

All as per item No 51 above but for 15 mm bore of pipe complete all as specified and as directed.

All as per item No 51 above but for 25 mm bore of pipe complete all as specified and as directed.

All as per item No 51 above but for 40 mm bore of pipe complete all as specified and as directed.

All as per item No 51 above but for 50 mm bore of pipe complete all as specified and as directed.

Relaying of old serviceable GI pipe 20mm bore obtained from serial no 46 here in before with spigot and socket ends in new or old position in any length, laid in trenches after cleaning of inner surface and applying with two coats of black bituminous paint (sutiable for drinking water purpose) including testing complete all as specified and directed.

All as per item no 56 above but for 15 mm bore complete all as specified and as directed.

All as per item no 56 above but for 25 mm bore complete all as specified and as directed.

All as per item no 56 above but for 40 mm bore complete all as specified and as directed.

All as per item no 56 above but for 50 mm bore complete all as specified and as directed.

Supply and fixing of 15 mm bore GI tubing, medium grade with all new fittings as required complete fixed to walls and ceilings or laid in floors/trenches including testing complete all as specified and directed.

All as per item No 61 above but for 20 mm bore of pipe complete all as specified and as directed.

All as per item No 61 above but for 25 mm bore of pipe complete all as specified and as directed.

All as per item No 61 above but for 40 mm bore of pipe complete all as specified and as directed.

All as per item No 61 above but for 50 mm bore of pipe complete all as specified and directed.

M&L for leakage rectification wk of water supply line for GI pipe of size ranging from 15 to 25mm complete includind fittings complete all as specified and directed.

M&L for leakage rectification wk of water supply line for DI/CI pipe of size ranging from 80 to 200 mm complete all as specified and directed.

All as per item No 67 above but for 40/ 50mm bore GI pipe complete all as specified and directed.

Supply and fix 15mm bore gun-metal, gate valves, with iron wheel head, screwed both ends for iron pipe and fixed after taking down old unserviceable one complete all as specified & directed Make : Audco/Laxmi/ Uphadhyay/zoloto/rmco.

All as per item No 69 above but 20 mm bore complete all as specified and as directed.

All as per item No 69 above but 25 mm bore complete all as specified and as directed.

All as per item No 69 above but40 mm bore complete all as specified and as directed.

All as per item No 69 above but 50 mm bore complete all as specified and as directed.

Supply and lay 3 layer PP-R polypropyline random pipes SDR 7.4/PN/16 stabilised and anti-microbial welded water supply including all PP-R plain & bras threaded polypropyline random fittings fixed complete in trenches of size 32 mm bore (external) including testing and taking down old unserviceable PP-R pipe complete all as specified and directed.

Supply and lay 3 layer PP-R polypropyline random pipes SDR 7.4/PN/16 stabilised and anti-microbial welded water supply including all PP-R plain & bras threaded polypropyline random fittings fixed complete in trenches of size 25 mm bore (external) including testing and taking down old unserviceable PP-R pipe complete all as specified and directed.

Supply, hoisting and fixing in position Rotational moulded Polyethylene water storage tank, 1000 litres capacity conforming to IS-12701 (1989) cylindrical vertical type two-layered wall construction with closed top including inlet, outlet and wash out holes of approved make including taking down the old unserviceable water storage tank complete all as specified and directed. (MAKE: Sintex/ Rotax/ Polycon/ Oriplast/ Tusker )

Supply, hoisting and fixing in position Rotational moulded Polyethylene water storage tank, 500 litres capacity conforming to IS-12701 (1989) cylindrical vertical type two-layered wall construction with closed top including inlet, outlet and wash out holes of approved make including taking down the old unserviceable water storage tank complete all as specified and directed. (MAKE: Sintex/ Rotax/ Polycon/ Oriplast/ Tusker )

Material and Labour for removing of paint from old surface and painting weather coat paint first quality, one coat on old plastered, treated and other surfaces, after preparation and cleaning of over head tank, UG Sump ( exposed part ) with all pillar of different height complete all as specified and directed. Make : Asian/ Berger/ Shalimar.

Material and labour for Ductile iron Fittings/CI 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 socket or socket and spigot) collars caps and plugs etc sutiable for upto 150 mm bore complete all as specified and directed.

Testing of water ( water collected from pump houses ) for all para meters chemicals and bactological aspect from any Govt approved / recognised laboratory as approved complete all as specified and as directed.

Supply and fix cast iron Non Return Valve valve flanged both ends including all necessary fixing and jointing arrangement such as MS nuts, bolts, washers & gasket, etc and testing including taking down old unserviceable Non Return Valve complete all as specified and as directed for 100 mm sizes. Make: KALPANA /KIRLOSKAR / LEADER/RMCO/ZOLOTO

Supply, making joint in replacement, test and connect PVC insulated and PVC sheathed flat submersible cable of multistranded copper conductors of size 6 sq mm, 3-core, 1100 volt grade complete all as specified and as directed.

M&L for general overhauling of submersible pump of capacity 10 HP to 25 HP by opening/de-asembling the pump including derusting, descaling, servicing, oiling/greasing & including replacement of worn out parts if required (which shall be measured and paid separetely as supply only) washer (GI), nuts, bolts and other minor parts not specifically mentioned shall also be replaced where required for proper functioning of pump set complete all as specified and directed by Engr-in-Charge.

Supply only suitable pump shaft (stainless steel ) for submersible pumping set of capacity 10 to 25 HP complete all as specified and directed.

All as per item No. 84 above but Pump drive-end gun metal bush complete all as specified and directed.

All as per item No. 84 above but Seal Ring gun metal complete all as specified and directed.

All as per item No. 84 above but Cast Iron Bowl Assy complete all as specified and directed.

All as per item No. 84 above but Pump shaft key (s/s) complete all as specified and directed.

All as per item No. 84 above but Sand - guard for motor complete all as specified and directed.

All as per item No. 84 above but Thrust Plate for Motor complete all as specified and directed.

All as per item No. 84 above but Bush stainless Steel for coupling of motor & pump complete all as specified and directed.

All as per item No. 84 above but pump Impeller bronze complete all as specified and directed.

Material and labour for Rewinding of submersible motor capacity 20 to 25 HP AC 3 phase, 415 volts with super enamelled copper wire conforming to existing gauge size and turn including paper seperator, cleaning of slots, replacement of insulating materials etc and varnishing with approved varnish and testing on complete all as specified directed.

All as per item No. 93 above but 10 to 17.5 HP.complete all as specified and as directed.

S&F in replacement thrust bearing housing of the suitable size for motor of capacity 10 HP to 25 HP complete all as specified.

All as per item No 95 above but thrust plate complete all as specified and directed.

All as per item No 95 above S/S Sleeve complete all as specified and directed.

All as per item No 95 above Upper bearing body complete all as specified and directed.

All as per item No 95 above Lower bearing body complete all as specified and directed.

All as per item No 95 above Oil seal complete all as specified and directed.

All as per item No 95 above GM Bush for submersible motor pump complete all as specified and directed.

All as per item No 95 above Thrust segmant bearing complete all as specified and directed.

S&F in replacement of stator set of submersible motor for 20 HP duly winded with PVC insulated superior quality copper wire and including taking down existing unserviceable stator set complete all as specified and directed. Make - KSB/SU.

S&F in replacement of rotor for submersible pump suitable for 20 HP including taking down of existing unserviceable rotor complete all as specified and directed. Make - KSB/SU.

Supply and fix connecting testing and commissioning fully automatic star delta starter AC 3 Phase 415 Volts 50 Hz, encloused in steel sheet enclouser suitable for 12.5 HP to 15 HP motor having including taking down old unserviceable starter complete all as specified and directed. (Model - C & S / ABB /siemens/L&T)

Supply and fix connecting testing and commissioning fully automatic star delta starter AC 3 Phase 415 Volts 50 Hz, encloused in steel sheet enclouser suitable for 15 to 20 HP motor having range including taking down old unserviceable starter complete all as specified and directed. (Model - C & S / ABB /siemens/L&T)

Lifting of submersible pump & motor of capacity 12 to 20 HP after disconnecting it from column pipes, submersible cable, decoupling motor & pump and disconnecting from the delivery line & transportation submersible pump & motor to workshop and back for necessary repair & replacement of unserviceable parts of motor and pump , including. bolts, nuts, washers, gaskets etc, duly cleaning and painting with two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer & reassembling the same including testing, lowering & commissioning submersible pump & motor complete all as specified and directed.

Material and labour for development of tube well at the site with air compressor of suitable capacity till water discharge is free from sand complete all as specified and directed.

M&L for replacement of unsv PPR gate valve ( brass insert) as per site requirement of size 32/25 mm complete all as specified and directed.

M&L for servicing of Elect Panel board including cleaning the panel checking all wires, contactors, MCB, MCCBs, starter, relay, tightening the loose connections, replacement of burnt wires, thimbles/lugs, connectors, LED indicators etc complete all as specified and directed. Note: Major parts like MCCB, Contactors, relays shall be measured in respective items taken as supply only. Make:- L&T or equivalent in C&S/Legrand

Supply and fix analog voltmeter as per existing specification for pump house panel complete all as specified and directed.

Supply and fix analog Ammeter as per existing specification for pump house panel complete all as specified and directed.

Supply and fix digital Ammeter as per existing specification for pump house panel complete all as specified and directed.

Supply and fix digital voltmeter as per existing specification for pump house panel complete all as specified and directed.

Materials & labour for earthing complete with galvanized earth plate electrode 600 x 600 x 6.0 mm thick, buried directly in ground (earth pit not less than 2.25 m deep below normal ground level ) with top edge of the plate not less than 1.5 m below normal ground level, connected to Galvanised earth lead wire 4 mm dia by means of bolts, nuts, check nuts and washers of galvanized iron or steel, earth strip protected by and including 40mm dia GI pipe(light grade), alternate layers of charcoal and salt, including 20 mm bore GI tubing for watering to earth electrode, earth strip connected to test point/ distribution panel /feeder pillar etc as directed including necessary earth work, concrete pit with PCC (1:3:6) type C1, pre cast RCC(1:1:5:3) type A1 cover slab duly reinforced with 8 mm dia TMT bar 150mm c/c both way and two numbers lifting handle made of TMT bar and set in cement mortar (1:4), funnel, wire mesh, all as shown in electrical plate No 3 of SSR part-1 and testing on completion including taking out old earthing complete all as specified and directed.

Materials & labour for earthing complete with galvanized steel earth plate electrode 600 x 600 x 6.0 mm thick, buried directly in ground (earth pit not less than 2.25 m deep below normal ground level ) with top edge of the plate not less than 1.5 m below normal ground level, connected to GI strip of size 32x6 mm by means of bolts, nuts, check nuts and washers of galvanized iron or steel, earth strip protected by and including 40mm dia GI pipe(light grade), alternate layers of charcoal and salt, including 20 mm bore GI tubing for watering to earth electrode, earth strip connected to test point/ distribution panel /feeder pillar etc as directed including necessary earth work, concrete pit with PCC (1:3:6) type C1, pre cast RCC(1:1:5:3) type A1 cover slab duly reinforced with 8 mm dia TMT bar 150mm c/c both way and two numbers lifting handle made of TMT bar and set in cement mortar (1:4), funnel, wire mesh, all as shown in electrical plate No 5 of SSR part-1 and testing on completion including taking out old earthing complete all as specified and directed.

Supply and fixing steel wire rope 12 mm dia for lifting of submersible pump taking down the Unserviceable one complete all as specified and directed.

Cleaning of capacity up to 1,00,000 Gallons RCC overhead reservoi at 15 mtr staging all as specified here-in-below and as directed by Engr-in-Charge. (a) Cleaning of OHT with evacuate water from the tank with suction pumps with high speed jet of water clean all the surfaces of inside of tank so as to dislodge the layers of dirt on the surfaces of tank, take out the dislodged dirt with a SLUDGE PUMP which leaves the tank completely dirt free and Removing mould, moss foreign materials scale end dirt etc, from the internal surfaces of the tank and from the mouth of pipe by scraping with steel filter brushes or steel scrappers disposal of water materials to a distance n exc 50m (b) Sterilize the tank with in ANTI - BACTERIAL agent, which should be biodegradabale, ECO-FRIENLY in nature and totally safe for drinking water finally, expose the surface of tank to special ULTRA-VIOLET RAYS for some time which terminate the FLOATING WAVELENGTHS if anySpreading a thin layer of bleaching powder in internal surface of resercioire and then cleaning with fresh water.

All as per items No 118 above but 30,000 gallons capacity RCC overhead reservoir complete all as specified and as directed by Engr-in-Charge.

All as per items No 118 above but 20,000 gallons capacity RCC overhead reservoir complete all as specified and as directed by Engr-in-Charge.

M&L for carefully taking out the burnt electric induction motor/Monoblock pump set of any capacity, by dismantling from foundation, disconnecting incoming/outgoing elect cables etc, transportation to workshop & back, opening the motor removing the burning winding with insulation, cleaning the inner surface , Applying new mica sheet for insulation & rewinding the motor with super enamel copper wire as per existing gauge & turn to maintain the existing speed of the motor, varnishing, heating etc, replacement of both end bearings as per existing size and refixing to its original position duly painted with best quality enamelled paint, testing complete all as specified & directed by Engr in Charge

Material and labour for sand cushioning with clean dry sand in trenches for cable protection complete all as specified and as directed. Note:- Punned depth only shall be measured and paid.

Material and labour for brick protection using old size sub class ‘B’ new bricks, laid flat dry but jointed, laid length wise perpendicular to the axis of cable all as specified and directed.

Supply, Laying,connecting,testing and commissioning of XLPE insulated and PVC sheathed ,armoured heavy duty UG cable with stranded alluminium conductors 70 sqmm x 4 core,1100 Volt grade, laid in trenches/wall/roof/pole/through pipe , including taking down old unserviceable one complete all as specified and directed. Note :- (i) Pipe and bricks for cable protection and sand cushioning and earth work shall be measured and paid separately.

All as per item No. 124 here-in before but cable of size 50.0 sqmm x 4 core complete all as specified and directed.

All as per item No. 124 here-in before but cable of size 35.0 sqmm x 4 core complete all as specified and directed.

All as per item No. 124 here-in before but cable of size 16.0 sqmm x 4 core complete all as specified and directed.

Supply and fix MCB TPN 63 amps, 240 volts, 'C' series with all incoming / outgoing connections with proper size of lugs complete all as specified and directed. Make: C&S/ L&T/ INDOASIAN / Havells

Supply and fix MCB TPN 40 Amps, 240 volts, 'C' series with all incoming / outgoing connections with proper size of lugs complete all as specified and directed. Make - C&S/L&T/ Indoasian / Havells

Supply and fix MCB TPN 32 Amps, 240 volts, 'C' series with all incoming / outgoing connections with proper size of lugs complete all as specified and directed. Make - C&S/L&T/ Indoasian / Havells

Supply and fix MCB single pole & neutral 40 to 63 Amps, 240 volts, 'C' series with all incoming / outgoing connections with proper size of lugs complete all as specified and directed. Make: C&S/ INDOASIAN/ L&T / Havells

Supply and fix MCB single pole & neutral 32 amps, 240 volts, 'C' series with all incoming / outgoing connections with proper size of lugs complete all as specified and directed Make: C&S/ INDOASIAN / L&T / Havells

Supply and fix MCB single pole 6 to 32 amps, 240 volts, 10 KA, 'C' series with all incoming / outgoing connections with proper size of aluminium lugs complete all as specified and directed. Make - C&S/ L&T/ Indoasian / Havells

Material and labour for painting of MS/CI pipe lines of over head water tank for blue/red/yellow/black coloure as delivery, rising , discharge and overflowing pipe lines any size / length after preparation of old painted surfaces, painting with one coats of synthetic enamel paint, first quality, of approved tint including proper arrow marking for inlet, out let and wash out pipe complete all as specified and directed. Make of paint :- Asian / Berger / Jenson & Nicholson

Supply and fix in replacement of MCCB 4 pole, 200 Amps, 415 volts,16 KA as per site including suitable size of connector and fixing materials such as thimble, nut bolts, etc of suitable size complete all as specified and directed. Make : Indoasian/ Havells/ C&S/HPL/Hager

Supply and fix in replacement of MCCB 4 pole, 100/63 Amps, 415 volts,16 KA as per site including suitable size of connector and fixing materials such as thimble, nut bolts, etc of suitable size complete all as specified and directed. Make : Indoasian/ Havells/ C&S/HPL/Hager

Supply , installing , commissioning and testing chemical dosing system for injection of sodium hydrochloride solution of capacity 6 lit per hour at 10 kg back pressure with 100 litr capactiy solution container , suction and discharge tubing , spring loaded anti siphone valve , foot valve , low level switch complete all as specified and as directed. MODEL ::ALTOCH DOSING SYSTEM (MODEL ADS - I). ITEM NR: ADS 100 or Equivalent make .

Supply and fix in replacement MNX32 power contactor 4 pole suitable for star delta starter make l &t/C&s or equivalent complete all as specified and directed.

Supply and fix in replacement electronic timer ST100 time setting 3-30 s suitable for star delta starter make l &t /C&s or equivalent complete all as specified and directed.

Supply and fix in replacement MN 32 power contactor 4 pole suitable for star delta starter make l &t/C&s or equivalent complete all as specified and directed.

Supply and fix straight through joint kit for cable 1100 volts outdoor heat shrink complete with jointing material and accessories suitable for 3.5 core XLPE armoured cable aluminium conductor of size 50 to 95 sqmm complete all as specified and directed.

Supply and fixing in replacement alum doser unit with all accessories including tubing connecting as per existing complete all as specified and directed.

Taking down of Unserviceable water level indicator of any type and, Supplying, installing, testing and commissioning Micro controller based Digital water level indicator device comprising upper unit,, special float valve and 150mm size digital display unit, 230 Volts AC supply, 50 Hz rating, temperature range between -5 to 50 degree celcius, Relative humidity 95%, reset push switch for silent alarm, ON/ OFF mode complete with necessary wiring connection complete all as specified and as directed. Make:- Seco/Surya/Phototron

Supply and fix in replacement 3 core 1 sqmm size copper cable underground or on wall in conduit of suitable size to rcc over head tank complete all as specified and directed.

Taking up or down worn out/ damaged/ partly serviceable / unserviceable PVC insulated underground cable, armoured, heavy duty with aluminium conductors any size, 1100 volt grade from wall/conduit/trench ,testing,segregating and kepping in safe castody the serviceable portion for reuse incl bricks, stacking serviceale bricks for reuse complete all as specified and directed. (NOTE :-Excavation wherever required will be measured and paid separately)

Shree Mahabir Builders

S Majumder and Construction