REPAIR AND MAINTENANCE OF IRP SOFTNING PLANT RO PLANT AND EQUIPMENTS IN WATER SUPPLY INSTALLATION AND DG SETS APFC PANELS AND OTHER CONNECTED WORKS IN KOLKATA AREA UNDER GE NORTH KOLKATA

Amount

Opening top cover of manhole and side hand hole of 10000 GPH capacity vertical type iron removal plant and unloading the filter media eg. sand, gravells (different sizes) and taking out carefully strainer (push/thread) from inside bed plate and disposal of UNSV filter media(sand, gravel, strainer etc) within 100 mtrs radius from the existing plant complete all as directed. (Location : Salt Lake, Bagjola & Dakshineswa)

Opening top cover of manhole and side hand hole of 10000 GPH capacity vertical type softening plant, unloading the filter media eg. rasin,sand, gravells (different sizes) and taking out carefully strainer (push/thread) from inside bed plate and disposal of UNSV filter media(sand, gravel, strainer etc) within 100 mtrs radius from the existing plant and keeping safe custody of serviceable resin for reuse complete all as directed. (Location : Salt Lake, Bagjola & Dakshineswar)

Dismalting cover, pipe lines by taking out/cutting the old rusted MS bolt nuts and washers, neoprene rubber gasket etc of oxidation chamber, taking out manganese Dioxide (MNO2) and removing the same within 100m radius from the existing plant, andCleaning, scrapping the inner periphery and external old rusted iron surfaces of oxidation chamber, flushing with fresh water drying and applying two coats of anti corrosive black bituminous paint over a coat of red oxide primer suitable for potable water, in inner periphery and painting with two coats of synthetic paint over a coat of red oxide primer,on outer surface including writing of type of installation in white colour and MES No in dark red colour. Make of paint:- Asian / Berger / Jenson & Nicholson / Shalimar.

Cleaning and scraping the inner periphery and outer surfacse of IRP/ softening plant vessel by using wire brush and flushing with fresh water, drying and applying two coats of anticorrrosive bituminous paint over a coat of red oxide primer used in potable water in inner periphery and painting with two coats of synthetic enamel paint over a coat of red oxide primer on outer surface including writing of type of installation & capcity by sythetic enamel paint of white colour and MES No in dark red colour all as directed. Make of paint:- Asian / Berger / Jenson & Nicholson / Shalimar.

Supply and fix new polypropylene strainers double deck type for IRP vessel etc complete Make- ION Exchange / MEI / RMCO

Supply and fix new polypropylene strainers double deck type for water softening plant as per the existing specification. Make- ION Exchange / MEI / RMCO

Supply and loading the new graded gravells of different size (gravel of size 1.5" x 1", pebbles of size 1"x1/2",core silex of size 1/2" x 1/4" , fine silex of size 1/4" x 1/8") equally distributed inside the pressure filters at different location.

Supply & charging of new filter sand of 10 x40 mesh from Baraker,laying layer by layer as per designed layer to the pressure filters at different location complete all as specified and as directed

Supply and loading new resin Indian 225 Na type in the softening plant all as specified and directed. (Make : Ion Exchange or equivalent as approved). (Location : Salt Lake, Bagjola & Dakshineswar)

Laying / filling resin in the vessel of softening plant and all as specified and directed. (Note : Old serviceable cation resin obtained from item No 02 shall be reused after cleaning, washing usinng hydrogen chloride solution of desired strength and fresh water all as directed. (Location : Salt Lake, Bagjola & Dakshineswar)

Supply and loading MNO2 in the existing oxidation chamber plant complete all as specified and as directed. (Location : Salt Lake, Bagjola & Dakshineswar)

Material & labour for nylon wire mesh including tightening by copper wire as reuired size on IRP/ softening plant of 10,000 GPH inside including taking out old damaged wire mesh

Dismalting of exiting MS / CI pipe and fitting of 100 mm bore by opening flange joint cleaning and removing silt, rust by using wire brush and flushing with clean water for both inside & out side of pipes and fittings, painting the outside surface of pipe & fittings with one coat of synthetic enamel paint and re-fixing in exiting position complete. Note : New bolts, nuts & washers shall be measured and paid separately under supply only rate.The labour element required for fixing nut, Bolts & washers is deemed to be included in the unit rate quoted.)

Dismalting of exiting 80 mm bore MS/CI pipe & fitting by opening the flange joints, cleaning and removing silt, rust by using wire brush and flushing with clean water for both inside & outside of pipes and fittings, painting the outside surface of pipe & fittings with one coat of synthetic enamel paint over a coat of primer and re-fixing in exiting position Note : New bolts, nuts & washers shall be measured and paid separately under supply only rate). The labour element required for fixing nut, Bolts & washers is deemed to be included in the unit rate quoted.)

Dismalting of exiting 50 mm bore MS pipe & fitting carefully by opening the flange joints, cleaning and removing silt, rust by using wire brush and flushing with clean water for both inside & outside of pipes and fittings, painting the outside surface of pipe & fittings with one coat of synthetic enamel paint and re-fixing in exiting position Note : New bolts, nuts & washers shall be measured and paid separately under supply only rate.The labour element required for fixing nut, Bolts & washers is deemed to be included in the unit rate quoted.)

Dismantling of existing 40 mm bore MS pipe & fitting by opening the flange joints, cleaning and removing silt, rust by using wire brush and flushing with clean water for both inside & outside of pipes and fittings, painting the outside surface of pipe & fittings with one coat of synthetic enamel paint and re-fixing in exiting position complete all as specified and as directed (Note : New bolts, nuts & washers shall be measured and paid separately under supply only rate.The labour element required for fixing nut, Bolts & washers is deemed to be included in the unit rate quoted.

Taking out & re-fixing after servicing of CI diaphram valve 100 mm dia by using wire brush emery cloth paper. HCL acid and flushing with fresh water both side reassembling & painting the the outer surface & wheel with one coat of synthetic enamel paint all as specified and directed. (Note : New bolts, nuts & washers shall be measured and paid separately under supply only rate. The labour element required for fixing nut, Bolts & washers is deemed to be included in the unit rate quoted.)

All as per item No 17 here-in-before but for valve of size 50 mm dia.

All as per item No 17 here-in-before but for valve of size 40 mm dia.

Supply & fix CI diaphragm valve 100 mm dia both end flanged including taking down old valve complete all as specified and as directed.(Make : Upadhyay/Super/Hazra / Zoloto / Kirlokar / Rmco).

All as per item No 20 above but for valve of size 50 mm dia.

All as per item No 20 above but for valve of size 40 mm dia.

Taking out & re-fixing after servicing of butterfly valve of size 100 mm dia by using wire brush emery cloth paper, HCL acid and flushing out fresh water, painting the the outer surface handle with synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed. (Note : Nuts along with bolts, washers and gasket shall be measured and paid separately under supply only rate.The labour element required for fixing nut, Bolts & washers is deemed to be included in the unit rate quoted.

Supply & fix butterfly valve of size 100 mm dia conforming to IS 13095 both end flanged including taking down old valve complete all as specified and as directed. Make : Kalpna / Upadhya /Crawley & Ray / Zoloto / RMCO,

Supply & fix PVC 15 mm bore bib tap, Standard, of PTMT, , including taking out old bib tap complete all as specified and as directed. Make - Prayag / Polytuf /M/S Sak Plast Pvt Ltd.

Supply & fix gun metal horizontal check valve 20 mm dia including taking out old check valve complete all as specified and as directed. Make : Laxmi / Upadhya / Alto / HM / Zoloto / RMCO.

Supply only MS bolts, nuts & washers of different sizes suitable for CI/MS flanged pipe & sluice valve etc. Male:- GKW / Mahendra/ any other reputed make as approved by the GE.

Supply only neoprene rubber gasket for man hole and side hole cover of IRP/Softening plant/oxidation chamber complete all as specified and as directed.

Material & labour for cleaning and removing all scale and dirt, etc, from salt mixing PVC tanks exe 500 Ltrs but not exc 1000 Ltrs and from mouths of circulating pipes, etc complete all as specified & directed

Material and labour for drilling on 100 mm dia MS/CI or GI pipe for fixing of pressure gauge, sampling cock, brass cock, gun metal bush & GI socket etc incl welding work complete all as specified & directed

Material & labour for Arrow marking indicating flow of water direction by white paint of size length 8" and breath 1" on pipe line of IRP/softening plant, oxidation chamber rising main, delivery line & wash out line etc including writing of SMNO/MES NO all as directed. Make of paint:- Asian / Berger / Jenson & Nicholson / Shalimar.

Preiodic cleaning/servicing of RO plant of capacity 800LPH by dismantaling of the iron filter/Bag filter/Candle filter, RO membrane, storage tank,flow metre, connected pipe lines etc and proper cleaning and assembling and making fit for use as well as control TDS with in prescribed limit all as directed. Note: (i) Location: 2 CBPO. (ii) Any Break down occurs to plants during the Qtr(within 03 Months of Servicing) to be rectified by contractor with out any extra cost. (iii) Change of any spare parts and requirement of chemical for cleaning should be measured and paid saperately under supply only rates.The labour element required for fixing nut, Bolts & washers is deemed to be included in the unit rate quoted.

All as per Sl Item No:32 above but for capacity 600/500/250 LPH. Note:Location: IWT Dakshineswar-02 Nos & Salt Lake-02 Nos.

Supply only Mechanical seal of high pressure pump of R O plant of capacity 800/600/500/250 LPH

Repair and servicing of high pressure pump of RO plant of capacity 800 LPH

Repair and servicing of high pressure pump of RO plant of capacity 600 LPH

Repair and servicing of high pressure pump of RO plant of capacity 500 LPH

Repair and servicing of high pressure pump of RO plant of capacity 250 LPH

Repair and servicing of high pressure membrane cleaning pump of RO plant of capacity250 LPH

Repair and servicing of membrane cleaning pump of RO plant of capacity 600/500LPH

Cleaning of Sand & Activated carbon filter by taking out old media and charging with new one as per existing ratio for RO plant of capacity 800LPH

Supply only Iron filter for RO plant of existing make and of capacity 600/500 & 800 LPH

Supply only O-ring of any size nut bolt washers ,PVC pipes, flexible pipes etc parts and allied consumable items as required during each serviceing or RO plant of capacity 800 / 600/500LPH ( Each capacity constitute one lot)

Supply only CF as per existing make for RO plant of capacity 800LPH

Supply only CF as per existing make for RO plant of capacity 600LPH

Supply only CFas per existing make for RO plant of capacity 500LPH

Supply only CFas per existing make for RO plant of capacity 250LPH

Supply only of Cartriage cover/housing for RO plant of of capacity 800 LPH

Supply only of Cartriage cover/housing for RO plant of of capacity 600 LPH

Supply only of Cartriage cover/housing for RO plant of of capacity 500 LPH

Supply only of Cartriage cover/housing for RO plant of of capacity 250 LPH

Supply only Ultra Violet Ray lamp suitable for RO plant of capacity 800/600/500/250 LPH. Make: Philips/Bajaj / C&S / HPL

Supply only chemical (Aquaclean CVD) for cleaning for membrane of RO plant of capacity.

Supply and fix in R O plant TDS meter as per existing Model and make including taking out old meter all as directed

Supply and fixing TDS Sensor as per existing model and make including taking out old unserviceable sensor of RO plant of capacity 250/500 LPH

Supply only Floaty as per existing model and make of RO plant of capacity 800/500 LPH

Material and labour for re-winding of motor capacity 1HP centrifugal pump set with same gauge as per existing and same number of turns of super enamelled solid copper conductor including providing core insulation, heat varnishing, testing complete all as specified and as directed. Make of winding wire:- ICC / Devidayal / Any other reputed make as approved by the GE.

Material and labour for re-winding of motor of high pressure pump set with same gauge as per existing and same number of turns of super enamelled solid copper conductor including providing core insulation, heat varnishing, testing complete all as specified and as directed. Make of winding wire:- ICC / Devidayal / Any other reputed make as approved by the GE.

Supply and fixing RO plant Membrane of Hydranotix/ Dow in replacemnet of unserviceable membrane of RO plant of capacity 800 LPH

Supply and fixing RO plant Membrane Hydranotix/ Dowin replacemnet of unserviceable membrane of RO plant of capacity 600 LPH

Supply and fixing RO plant Membrane Hydranotix/ Dow in replacemnet of unserviceable membrane of RO plant of capacity 500 LPH

Supply and fixing RO plant Membrane Hydranotix/ Dow in replacemnet of unserviceable membrane of RO plant of capacity 250 LPH

Dismantling/ opening of Air compressor of suitable capacity as per site with replacement of minor parts like Piston with ring set, Air pressure leaf, Piston packing set, Air pressure meter, Air block lock,V-Belt of type C-90 (Make- Fenner) and nut-bolts, washers, flexible pipe & Reassembling, testing, connection and commissioning complete all as specified and as directed by Engr-in-charge.

Taking down and dismantling of all the component from engine assemble for carring out servicing / overhauling of DG sets by Complete dismantling of Disel Engine segregating serviceable and semi/unserviceable parts, decarbonisation, cleaning thoroughly all interior & exeterior parts after disconnecting the out-going connection of Diesel Engine from the Panel Board, repair /replacement of defective spares and servicing of all parts which ever is necessary & reassembling the DG set after completion of work complete all as directed by Engineer in Charge for the DG Set of capacity 30 to 50 KVA. NOTE: (a) Work shall be carried out through authorised service Engineer of the DG Set / OEM. (ii)Spare parts shall be measured and paid separately under relavant items as supply only The labour element involved for replaceing spares is deemed to include in the unit rate quoted. (iii) The unit rate quoted is deemed to include for minor spares not included here-in- after.

All as per item No. 64 above but, above but for DG Set of Capacity 160 to 250 KVA.

Dismentling the fuel injection pump(FIP) segragating serviceable and semi/unserviceable parts, replace all unserviceable parts and cleaning serviceable parts, drying, lubricating, reassembling the FIP pump with cleaned serviceable parts along with new parts as per requirment, calibration and testing on completion complete all as directed by Engr-in- Charge for DG Sets of capacity 30 to 50 KVA complete all as specified and as directed. NOTE: Spare parts if any,shall be measured and paid separately under seperate items as supply only The labour element involved for replacing spares is deened to include in the unit rate quoted. .

Ditto all as above but for DG Set of Capacity 160 to 200 KVA.

Dismantling of self starter assembly for complete overhauling of self starter including replacement of carbon, armature coil, field coil, bush and bendix pinion and other related components of DG Set of capacities 30 to 50 KVA all as directed. NOTE: Spare parts if any,shall be measured and paid separately under seperate items as supply only The labour element involved for replacing spares is deened to include in the unit rate quoted. .

Ditto all as above but for DG Set of Capacity 160 to 250 KVA.

Dismantling of dynamo for repair and overhauling including replacement of armature coil, carbon set, field coil, clutch patti, bearing etc and other related items as required and re-fixing the same on mountings and testing complete for DG Set of capacities 30 to 50 KVA all as directed. DG sets : Note: Spare parts shall be measured and paid separately under seperate items as supply only The labour element involved for replaceing spares is deened to include in the unit rate quoted. .

Ditto all as above but for DG Set of Capacity 160 to 250 KVA.

Dismantling the radiator assembly for cleaning completely and Overhauling and repairing of radiator body /tube including its fan assembly by cleaning, welding, brazing etc (each leak repair work shall be considered as single job) for Diesel engine capacity 30 to 50 KVA complete all as specified and directed by Engineer-in-Charge. Note:- Spares if any shall be measured and paid as supply only. The unit rate quoted shall be deemed to include the labour element involved in replacing the spares. The rate quoted shall also include replacing minor parts as required not listed herein after.

Ditto all as above but for DG Set of Capacity 160 to 250 KVA.

Supply and top up the coolant K Cool super plus-25/75 complete all as specified and as directed. MAKE: CASTROL/SERVO.

Supply and changing the engine oil of suitable grade including drain out existing used oil complete all as specified and as directed. Make : Servo / Castrol.

Supply only the following items in DG set of 250 to160 KVA capacity:- Diesel filter element

Supply only Oil Filter element

Supply only Air cleaner hose pipe with clamp

Supply only Radiator hose pipe with clamp

Supply only Safety control valve

Supply only Flexible pipe for fuel pump to PT pump with banjo washer , nut bolt

Supply only Air cleaner Filter

Supply only the following items in DG set of 30 to 50 KVA capacity. Diesel filter element.

Supply only Oil Filter element

Supply only Air cleaner hose pipe with clamp

Supply only Radiator hose pipe with clamp

Supply only By pass filter

Supply only Air cleaner Filter

Supply only Feed Pump

Supply only Self starter spare parts of capacity 40 to 250 KVA Self clutch assembly

Supply only Self pinion assembly

Supply only Self solenoid switch assembly

Supply only Self carbon rocker assembly

Supply only Self carbon brush (set of 4 pcs)

Supply only Dynamo spare parts of 30 to 200 KVA Dynamo rectifier assembly

Supply only Dynamo coutout assembly

Supply only Dynamo stator assembly

Supply only,Dynamo plate set (set of two pcs)

Supply only Dynamo carbon (Set of 2 Pcs)

Supply,installation,testing & commissioning of batteries for DG Sets of capacity 120 AH,12 Volt, in repair, all as specified. Make :- EXIDE / Amaron or equavalent as approved by the GE.

Supply,installation,testing & commissioning of batteries for DG Sets of capacity 160 AH,12 Volt, in repair all as specified. Make :- EXIDE/Amaron or equavalent as approved by the GE.

Supply,installation,testing & commissioning of batteries for DG Sets of capacity 180 AH,12 Volt, in repair, all as specified. Make :- EXIDE/ Amaron or equavalent as approved by the GE.

Opening of the AMF panel by unsrewing srews, nuts bolts etc after removing all connection to DG sets and LT panel and reassemble the AMF panel after work as follows including all connection, commissioning and testing complete all as specified and directed. Note:-The reassembling includes for labour element for replacement of unserviceable parts as listed below, including minor parts , not listed below, and the unit rate quoted is deemed to include for the same. Spares replaced shall be measured and paid as supply only.

Supply only the spare parts of AMF panel as existing capacity:- Control relay coil / Contact relay coil

Supply only Line voltage monitor

Supply only Power contacor heavy duty 4 pole any capacity as per sample .

Supply only Current Transformer

Supply and fix Battery lead with terminal cable of size 19 swg x36" long set all as directed.

Servicing / Repairing of control panel of automatic power factor unit 30 to 110 KVAR capacities by replacement of unserviceable / defective / burnt out wiring with appropriate and existing size copper flexible cable including all fixing arrangement and connections complete all as specified and as directed. Note : (i) Cost of dressing of cables etc. including provision of necessary cable lugs as required are deemed to be inclusive in the rates. (ii) spares shall be measured and paid seperately as supply only The labour element involved for replaceing spares is deemed to include in the unit rate quoted.

Supply and fixing 3 pole power contactor 32 Amps type ML-2 including taking down old unserviceable power contractor all as specififed and directed. Make-L&T/ Havells / C&S/ or as per existing )/ HPL.

Supply and fixing, in repair, Digital volt meter 0-500 V all as specififed and directed. ( Make-L&T/ HPL/ C&S or as per existing )

Supply and fixing Heavy duty long life power Capacitor (KVAR) of various capcity as per required at site, 440 volts AC all as specififed and directed. (Make : Havells/ L& T/ Schinneder/ Legrand)

Supply and fixing , in repair,auto power controller suitable for existing stage complete all as specified and as directed. Make :NEPTUNE/L&T/SIEMENS / Schinneder)

Taking down and dismantling of all the component from Air Blower of sewage treatment plant including servicing / overhauling by Complete dismantling of serviceable and semi/unserviceable parts,, cleaning thouroughly all interior & exeterior parts after disconnecting the out-going connection of repair /replacement of defective spares and servicing of all parts which ever is necessary reassembling the Air blower completion of work complete all as directed by Engineer in Charge for the Air Blowe of capacity up 10 kw and 1450 RPM Notes:- (i)Spare parts shall be measured and paid separately under relavant items as supply only The labour element involved for replaceing spares is deemed to include in the unit rate quoted. (ii) The unit rate quoted is deemed to include for minors spares which are not included here-in- after.

Supply only the following items in AIR Blower of capacity 10 kw and 1450 RPM.:- shaft

Supply only impeller for AIR Blower of capacity 10 kw and 1450 RPM

Supply only bush for AIR Blower of capacity 10 kw and 1450 RPM

Supply only Air filter for AIR Blower of capacity 10 kw and 1450 RPM

Supply only V belts for AIR Blower of capacity 10 kw and 1450 RPM

Supply only pully assembly for AIR Blower of capacity 10 kw and 1450 RPM

Material and labour for rewinding of Air Blower motor of STP upto 10 kw, AC 3 phase, 415 volts with same gauge super enamelled copper cable conforming to existing size including paper separator, cleaning of slots, replacement of insulating materials etc. and varnishing with approved varnish and testing complete all as specified and directed.

Supply and fix Radiator in replacement of old unserviceable radiatorof DG set of 30 KVA DG set complete all as specified and as directed.

Supply only distill water for battry complete all as specified and as directed.

Supply and fix in Replacement Electronic Battry charger set complete all as specified and as directed.

Supply and changing lubricant oil of suitable grade including drain out existing used oil complete all as specified and as directed. Make : Servo/Castrol.

Excavation in trenches not exceeding 1.5 m width or n exc 10 sqm on plan and n.exe 1.5 m in depth for taking out/laying of cable,foundation etc and getting out in hard dense soil complete all as specified and as directed.

Removing excavated soil to a distance not exceeding 50 mtrs and depositing where directed including spreading, leveling at a level not exceeding 1.5 mtr from the starting point complete all as specified and as directed

Supply, Laying,connecting,testing and commissioning of XLPE insulated and PVC sheathed ,armoured heavy duty UG cable with stranded alluminium conductors 400 sqmm x 3.5 core,1100 Volt grade, laid in trenches/wall/Ducts/roof/pole/through pipe ,compleate all as specified and as directed including taking down old unserviceable one. Note :- (i) Pipe and bricks for cable protection and sand cushioning shall be measured and paid separately as per site . Make:- KEI / HPL / RR Kabel / Nicco / Polycab / Havells/ .

Supply and lay GI pipe 100 mm bore (dia) light grade in trenches/road crossing for protection of cable with necessary fittings as required complete all as specified and as directed. Make:- Prakash / Utkarsh Tubes Ltd / Jindal / Zenith / Bansal / Nezone / M/S BST Infratech Ltd.

Cutting hard standing / road for laying of cable / protection pipe complete all as specified and as directed.

supply and fix straight through hot shrink cable joint kit for LT ug cable of size 120/95 sqmm 3.5 core including excavatin of earth at undergruond cable fault position and making good surface at the fault position complete all as specified and as directed, Make:- Raychem / Denson / M-Seal.

Material and labour for PCC (1:3:6) type C-2 (using 40 mm graded aggregate) for filling and making good of disturbed surfaces of road/hard standing/Copping of street light pole etc complete all as specified and as directed.

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

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 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 3 of SSR part-1 and testing on completion including taking out old earthing complete.

S B ENTERPRISE