REPAIRS TO POTABLE WATER SUPPLY LINE REWINDING OF MOTORS PAINTING OF EQUIPMENTS ETC UNDER GE NORTH KOLKATA

Amount

Excavating in trenches, n exc 1.5 m wide or n exc 10 sq m on plan and n exc 1.5 m in depth for foundation etc and getting out in soft / loose soil for taking out pipe line 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.

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.

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

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 etc complete all as specified and as directed.

Material and labour in replacement DI fittings for double ended flanged pipe such as bends (any type, any radius) tapers any type, Tee, pieces, collars, caps plugs etc up to 100 mm bore dia DI pipes complete all as specified and as directed. Make:- Electro casting steel / Jindal / Sri pipes / NecoCentri / BIC / AIC / PIC / Jai balaji Industries / Tata Matliks / Tata Kabuto./ M/S KiswokIndustreies Pvt Ltd

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

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

Supply and fix 80 mm bore cast iron sluice 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 / Upadyaya / RMCO/ Veenus / Zoloto / Leader

All as per item No 9 above, but for size 100 mm bore .

All as per item No 9 above, but for size 150 mm bore .

Dismantling for repairing of existing unserviceable 80 mm bore sluice valve without disturbing normal water supply and replacement of unserviceable stainless steel spindle with lock nuts & gland packing (Rubber gasket) cover with adjustable bolts and nuts (Two No’s) including refixing and testing complete, all as specified and as directed.

All as per item No 12 above but size 100 mm bore .

All as per item No 12 above but size 150 mm bore .

Material and labour for construction of brick masonary valve pit of size 1000 x 1000 x 750mm (Internal dimension) with Excavation , and earth work , RFR and removal of surplus spoil as required, in any type of soil, PCC 1:4:8 Type D2 as in foundation,100 mm thick,, Brick masonry wall built in cm 1 :6. PCC 1:2:4 type B1 for coping 50 mm thick, including use and waste of formwork, Rendering in CM 1:4 15 mm thick both side, finished even and smooth for inner side without using extra cement and fair and even from outer side. incl provision of MS sheet cover fabricated out of 3 mm thick sheet with angle iron frame made out of 40 mm x 40 mm x 6 mm with hold fast to secure the frame, locking arrangement, handle of suitable size and, preparing new steel and iron surfaces and applying two coats of synthetic enamel paint (first quality) over a coat of zinc chrome primer, and applying 3 coats of white wash to new plastered /concrete surfaces including preparation of surfaces. Make of steel :- Rinl / Sail / Tisco Make of paint ( First quality):- Asian / Berger / Shalimar.

All as per Item No:15 above ,but of size (750 x 750 x 750mm ( internal dimension). .

Material and labour for fabrication and fixing of valve chamber cover, of size made out of 3 mm thick MS sheet including mild steel angle iron (40X40X6mm) suitable for valve pit of size 750 x 750mm (internal dimension) with required hinges and welded to frames and locking arrangement and painted with two coats of synthetic enamel paint over a coat of red-oxide zinc chrome primer to steel surfaces including taking out old damaged MS cover with frame complete all as specified and as directed. Make of steel :-Prakash / Utkarsh Tubes Ltd / Jindal / Zenith / Bansal /Nezone/ M/S BST Infratech Ltd. Make of paint ( First quality):- Asian / Berger / Shalimar.

All as per item No 17 above but for size 1000 x 1000mm (internal dimension) valve pit .

Supply and fix in replacement cast iron foot valve 150mm dia with purposefully made steel clamp, screws, washers etc including taking out unserviceable valve complete all as specified and as directed. Make: Upadyaya / RMCO/ Veenus / Zoloto / Leader / Kirloskar

All as per item No 19 above but for 100mm dia

All as per item No 19 above but for 80mm dia

Supply and lay 20mm bore steel water tubing, galvanised 'medium grade’ GI pipe with all necessary fittings and fixed complete to walls and ceilings or laid in floors/surface/trench complete including taking down old unserviceable pipe all as specified and as directed for 20mm bore. Make: Prakash / Utkarsh Tubes Ltd / Jindal / Zenith / Bansal /Nezone/ M/S BST Infratech Ltd.

All as per item No.22 above but for 25 mm bore.

All as per item No.22 above but for 40 mm bore.

All as per item No.22 above but for 50 mm bore.

Supply and fix 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 for 20 mm bore. Make : Audco /Laxmi / Uphadhyay / RMCO/ Veenus / Zoloto / Leader..

All as per item No.28 above but 25 mm bore.

All as per item No.28 above but 40 mm bore.

All as per item No.28 above but 50 mm bore.

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 50 mm bore (external) including testing and taking down old unserviceable PP-R pipe complete all as specified and directed. Make: Savior faire Mfgh Co Pvt. ltd / Reliance / Vectus / Finolex / Supreme/ M/S Fusion Industries Ltd.

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/on wall, ceiling or laid in floor of size 25 mm bore including taking down old unserviceable PP-R pipe complete all as specified and directed. Make:- Savior faire Mfgh Co Pvt. ltd / Reliance / Vectus / Finolex / Supreme/ M/S Fusion Industries Ltd.

Material and laboure for painting of over head water tank MS/CI pipe lines for blue/red/yellow 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 directed. Make of paint :- Asian / Berger / Jenson & Nicholson / Shalimar.

Material and labour for preparation of old decorated surface of steel and iron and applying one coat of synthetic enamel pain, first quality, to Centrifugal pump of rain,sump & swage of capacity up to 10hp after removing of old paint by rubbing embroyed paper/wire brushed complete preparation surfaces all as specified and directed. Make of paint :- Asian / Berger / Jenson & Nicholson / Shalimar.

Material and labour for preparation of old decorated surface of steel and iron and applying one coat of synthetic enamel pain, first quality to Centrifugal pump of rain,sump & swage of capacity 28hp to 105 hp after removing of old paint by rubbing embroyed paper/wire brushed complete preparation surfaces all as specified and directed. Make of paint:- Asian / Berger / Jenson & Nicholson / Shalimar.

Supply, and fix in replacement, making joint test and connect PVC insulated and PVC sheathed flat submersible cable of multistranded copper conductors of size 4 sq mm, 3-core, 1100 volt grade complete all as specified and directed. Make ::-Polycab / Finolex / Havells / / KEI / HPL / Mescab / Standard / RR Kabel.

Supply and fixing 100mm bore ERW mild steel pipe, heavy duty, 4.50 mm (7 SWG) wall thickness with drilled,welded, flanged ends having two cable slots on each flange including taking out old column pipe complete all as specified and directed. Make : TATA / Jindal / Bansal / BST

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. Make:- Usha martin / L&T / equivalent make as approved by the GE.

Supply and fixing Nylon rope not less than 15 mm dia for lifting/supporting of rain pump foot valve taking down the Unserviceable one complete all as specified and directed.

Supply and fixing including connection/ testing and commissioning fully automatic star delta Panel type starter (comprising of Ammeter, Voltmeter, RYB indicating lamp etc.) AC 3 Phase 415 Volt 50 Hz enclosed in steel sheet enclosure suitable for 10 to 17.5 HP motor having range 17 to 25 Amps after taking down the old one complete all as specified and directed. Make : Havell's / L&T/ C&S

Supply and fixing including connection/ testing and commissioning fully automatic direct on line type motor starter AC 3 Phase 415 Volt 50 Hz enclosed in steel sheet enclosure suitable for 5 to 7.5 HP motor having range 05 to 13 Amps after taking down the old one complete all as specified and directed. Make : Havell's / L&T/ C&S / HPL

Supply and fixing including connection/ testing and commissioning fully automatic direct on line type motor starter AC 3 Phase 415 Volt 50 Hz enclosed in steel sheet enclosure suitable for 10 to 15 HP motor having range 15 to 30 Amps after taking down the old one complete all as specified and directed. Make : Havell's / L&T/ C&S / HPL

Supply only common salt suitable for resin of IRP/Softening plant complete all as specified and directed.

Supply only calcium hypochlorite 65 % to 70 % chlorine content in granular in 45 Kgs plastic drum complete all as specified and directed Make : Declibac / Aquafit / RMCO. Note:- IV & RV shal be maintained and recorded in MB, It shall form part of RAR / Final Bill while claiming payment.

Taking out and 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 a coat of synthetic enamel paint, first quality, all as specified and directed. Make of paint:- Asian / Berger / Jenson & Nicholson / Shalimar.

Supply and fix 100 mm bore cast iron diaphragm valves (ISI marked) conforming to IS-14846/2000 both end flanged with cast iron body,with stainless steel spindle, with iron hand wheel including all necessary fixing arrangement such as MS nuts,bolts, washers and gasket etc and testing complete including taking down old unserviceable diaphragm valve complete all as specified and as directed. Make:- RMCO / ZOLOTO / AUDCO / Upadhyay/ Kirloskar / Venus.

Taking out and 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 directed.

Supply and fix 100 mm bore butterfly valve (ISI marked) both end flanged with cast iron body,with iron handle including all necessary fixing arrangement such as MS nuts,bolts, washers and gasket etc and testing complete including taking down old unserviceable diaphragm valve complete all as specified and as directed. Make:- RMCO / ZOLOTO / AUDCO / Upadhyay/ Kirloskar / Venus.

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

Material and 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 and directed

Disconnecting & taking down U/S fire hydrant valve of dia 100 mm from stand post of Fire hydrant and refixing duly repair including replacement of small spares such as worn out leather,wahers,gasket,nuts & bolts completely all as directed.

Supply, fixing of landing valve as per IS-5290:1993 made out of copper alloy with single outlet of 54 mm dia suitable for fixing with 200 mm dia flange compleate with brass spindle and mild steel Hand wheel directed. Make : Laxmi / Upadhyah /Zoloto

Lifting of submersible pump & motor of capacity 10 HP to 17.5hp 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, 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. Notes:- (i) The spares listed herein after shall be measured and paid as supply only. (ii) The labour element involved in replacing the spares is deemed to include in the quoted rate. (iii) The contractor shall take cognizance of the above aspects and quote the unit rate. (iv) Cost of any other spares / minor spares, not specified here in after, and the spares like nut bolts washers etc shall be deemed to be included in the unit rate quoted. (v) Rewinding if any shall be measured and paid separately under relevant items. (vi) The decission of GE shall be final and binding. (vii) The makes are as per the existing. (viii) Gate Pass shall be submitted while claiming payment,

Supply only, “Gun metal motor housing bush” for submersible motor of 10 HP to 17.5hp complete all as specified and directed.

Supply only,"Thrust bearing " suitable for 10 HP to 17.5hp capacity submersible motor complete with thrust bearing plate and segment all as specified and as directed.

Supply only, mild steel 'T' bolt 12 mm dia 200 mm long all as specified and as directed .

Supply only, Bowl bush made of stainless steel suitable for submersible pump all as specified and as directed.

Supply only, stainless steel Shaft sleeve all as specified and as directed .

Supply only, stainless steel key for submersible key for submersible pump all as specified and as directed .

Supply only, Impeller made of stainless steel for submersible pump of capacity 10 HP to 17.5 HP all as specified and as directed .

Supply only, stainless steel Shaft for submersible pump of capacity 10 HP to 17.5 hp all as specified and as directed.

Supply only, Stud with nut and washer 8 mm dia 35 mm long made of stainless steel for submersible pump of capacity 10 HP to 17.5 hp all as specified and as directed .

Supply only, Neck ring (GM) made of stainless steel for submersible pump of capacity 10 HP to 17.5 HP all as specified and as directed .

Taking out centrifugal or non clogging centrifugal type pumping set/ Sewage pump of capacity 5HP to 10 HP with motor of any make from sewage sump form the foundation, decoupling the pump & motor after disconnecting of cable suction and delivery lines & transportation submersible pump & motor to workshop and back for necessary repair & replacement of unserviceable parts, 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 non clogging centrifugal type pumping set complete all as specified and directed. Notes:- (i) The spares listed herein after shall be measured and paid as supply only. (ii) The labour element involved in replacing the spares is deemed to include in the quoted rate. (iii) The contractor shall take cognizance of the above aspects and quote the unit rate. (iv) Cost of any other spares / minor spares, not specified here in after, and the spares like nut bolts washers etc shall be deemed to be included in the unit rate quoted. (v) Rewinding if any shall be measured and paid separately under relevant items. (vi) The decission of GE shall be final and binding. (vii) The makes are as per the existing. (viii) Gate Pass shall be submitted while claiming payment,

Supply only “Cast iron impeller” for non clogging centrifugal type pumping set/ Sewage pump of capacity 5HP to 10 HP with motor complete all as specified and directed.

Supply only “Shaft sleeve” for centrifugal or non clogging centrifugal type pumping set/ Sewage pump of capacity 5HP to 10 HP with motor complete all as specified and directed.

Supply only “Shaft O-40” for centrifugal or non clogging centrifugal type pumping set/ Sewage pump of capacity 5HP to 10 HP with motor complete all as specified and directed.

Supply only Gland” for centrifugal or non clogging centrifugal type pumping set/ Sewage pump of capacity 5HP to 10 HP with motor complete all as specified and directed.

Supply only“ Bearing” for centrifugal or non clogging centrifugal type pumping set/ Sewage pump of capacity 5HP to 10 HP with motor complete all as specified and directed.

Supply only“ CI coupling between pump and motor” for centrifugal or non clogging centrifugal type pumping set/ Sewage pump of capacity 5HP to 10 HP with motor complete all as specified and directed.

Supply only“ “GM bush” for centrifugal or non clogging centrifugal type pumping set/ Sewage pump of capacity 5HP to 10 HP with motor complete all as specified and directed.

Material and labour for rewinding of submersible motor of vertical type of 10 hp to 17.5 HP, 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.

Material and labour for re-winding of motor capacity 5HP to 10 HP for centrifugal/ non clogging type centrifugal pump motor /sewage pump/ submersible motorset 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 directed.

Material and labour for re-winding of motor capacity 5HP to 10 HP for centrifugal/ non clogging type centrifugal pump motor /submersible motorset 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 directed.

Dismantling 28HP diesel engine, replacement of unserviceable spares/parts,over-hauling,reassembling commissioning and testing complete all as directed Note (i) The spares listed herein after shall be measured and paid as supply only. (ii) The labour element involved in replacing the spares is deemed to include in the quoted rate. (iii) The contractor shall take cognizance of the above aspects and quote the unit rate. (iv) Cost of any other spares / minor spares, not specified here in after, and the spares like nut bolts washers etc shall be deemed to be included in the unit rate quoted. (v) Rewinding if any shall be measured and paid separately under relevant items. (vi) The decission of GE shall be final and binding. (vii) The makes are as per the existing.

Supply only Head gasket (Set)

Supply only Packing kit

Supply only Oil seal

Supply only Injecter pipe

Supply only Injecter Nozzle

Supply only Push rod rubber

Supply only Fuel filter (Pre filter & Microfilter)

Supply only Diesel filter with 'O' ring

Supply only Valve and guid

Supply only Water hose pipe with clamp

Supply only Air cleaner/filter

Dismantling 105 HP diesel engine, replacement of unserviceable spares/parts,over-hauling,reassembling and testing complete all as directed Note:- (i) The spares listed herein after shall be measured and paid as supply only. (ii) The labour element involved in replacing the spares is deemed to include in the quoted rate. (iii) The contractor shall take cognizance of the above aspects and quote the unit rate. (iv) Cost of any other spares / minor spares, not specified here in after, and the spares like nut bolts washers etc shall be deemed to be included in the unit rate quoted. (v) Rewinding if any shall be measured and paid separately under relevant items. (vi) The decission of GE shall be final and binding. (vii) The makes are as per the existing.

Supply only Head gasket

Supply only Packing kit

Supply only Fuel filter

Supply only Diesel filter with 'O' ring

Supply only Hose pipe

Supply only Hose pipe clamp

Supply only Nozzle Tips

Supply only Exhaust still bellow

Supply only Water pump repair kit

Supply only Dynamo cut out kit

Supply only Battery Terminal with clamp

Supply only Air cleaner

Disconnection and taking out of non-clogging centrifugal type Rain pump from 75 HP pumping set and dismantling to the extent for repair / replacement of defective spare parts including supply and fix minor parts such as nuts, bolts, washer, glands packing etc and providing one coat of synthetic enamel paint including preparation of old treated surfaces, re-assembling, reinstallation, commissioning and testing complete all as directed. Note:- (i) The spares listed herein after shall be measured and paid as supply only. (ii) The labour element involved in replacing the spares is deemed to include in the quoted rate. (iii) The contractor shall take cognizance of the above aspects and quote the unit rate. (iv) Cost of any other spares / minor spares, not specified here in after, and the spares like nut bolts washers etc shall be deemed to be included in the unit rate quoted. (v) Rewinding if any shall be measured and paid separately under relevant items. (vi) The decission of GE shall be final and binding. (vii) The makes are as per the existing.

Supply only Impeller ( As per sample)

Supply only Shaft

Supply only Bearing

Supply only Bushing

Dismantling 5HP to 10 hp diesel engine, replacement of unserviceable spares/parts,over-hauling,reassembling commissioning and testing complete all as directed. Note:- (i) The spares listed herein after shall be measured and paid as supply only. (ii) The labour element involved in replacing the spares is deemed to include in the quoted rate. (iii) The contractor shall take cognizance of the above aspects and quote the unit rate. (iv) Cost of any other spares / minor spares, not specified here in after, and the spares like nut bolts washers etc shall be deemed to be included in the unit rate quoted. (v) Rewinding if any shall be measured and paid separately under relevant items. (vi) The decission of GE shall be final and binding. (vii) The makes are as per the existing.

Supply only Head gasket (Set)

Supply only Packing kit

Supply only Oil seal

Supply only Injecter pipe

Supply only Injecter Nozzle

Supply only Push rod rubber kit

Supply only Fuel filter

Supply only Valve,valve guid & spring

Supply only Air cleaner

Supply only Fuel pipe

Taking out centrifugal or non clogging centrifugal type pumping set of capacity 1HP to 3HP with motor of any make from sewage sump form the foundation, decoupling the pump & motor after disconnecting of cable suction and delivery lines & transportation submersible pump & motor to workshop and back for necessary repair & replacement of unserviceable parts, 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 non clogging centrifugal type pumping set complete all as specified and directed. Note:- (i) The spares listed herein after shall be measured and paid as supply only. (ii) The labour element involved in replacing the spares is deemed to include in the quoted rate. (iii) The contractor shall take cognizance of the above aspects and quote the unit rate. (iv) Cost of any other spares / minor spares, not specified here in after, and the spares like nut bolts washers etc shall be deemed to be included in the unit rate quoted. (v) Rewinding if any shall be measured and paid separately under relevant items. (vi) The decission of GE shall be final and binding. (vii) The makes are as per the existing.

Supply only Impeller

Supply only Shaft

Supply only Ball Bearing as per sample

Lifting of noncloging submersible pump and motor of capacity 5 HP to 10 HP after disconnecting it from , 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, 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. NB: (i) Replacement i.e. supply and fix in repairs shall be measured & paid separately under appropriate item. Unit rate against above item shall be quoted accordingly. (ii) Rewinding of motor, if so required, shall be measured & paid separately.

Supply only Impeller

Supply only Shaft

Supply only Ball Bearing as per sample

Supply only bowl housing for submersible pump of capacity 5 HP/7.5 HP complete all as specified and directed.

Material and labour for cleaning of internal surfaces of OHT 55000 ltrs capacity with water using high speed jet including evacuate water from the tank with suction pumps, clean all the surfaces of inside of tank so as to dislodge the layers of the dirt, take out the dislodged dirt with a sludge pump including sterilise the tank with BIO DEGRADABLE and ECO FRIENDLY ANTI BACTERIAL age, SAFE for drining water, expose the surface of tank to special ULTRA VIOLET RAYS for some time which terminate the FLOATING WAVE LENGTHS if any including writing date of cleaning at bottom of OHT using synthetic enamelled paint of white colour over black background with letters of size 100mm height x 100mm wideth complete all as specified and directed.(Location:Dakhineswar Domestic area)

All as per item No.126 here in above but for 45300 ltrs capacity complete all as specified and directed. (Location: ECSD)

Material and labour for cleaning of internal surfaces of OHT 60000 Gallon capacity with water using high speed jet including evacuate water from the tank with suction pumps, clean all the surfaces of inside of tank so as to dislodge the layers of the dirt, take out the dislodged dirt with a sludge pump including sterilise the tank with BIO DEGRADABLE and ECO FRIENDLY ANTI BACTERIAL age, SAFE for drining water, expose the surface of tank to special ULTRA VIOLET RAYS for some time which terminate the FLOATING WAVE LENGTHS if any including writing date of cleaning at bottom of OHT using synthetic enamelled paint of white colour over black background with letters of size 100mm height x 100mm wideth complete all as specified and directed.(Location: Salt Lake).

Material and labour for cleaning of internal surfaces of semi underground water tank 22680 ltrs capacity with water using high speed jet including evacuate water from the tank with suction pumps, clean all the surfaces of inside of tank so as to dislodge the layers of the dirt, take out the dislodged dirt with a sludge pump including sterilise the tank with BIO DEGRADABLE and ECO FRIENDLY ANTI BACTERIAL age, SAFE for drining water, expose the surface of tank to special ULTRA VIOLET RAYS for some time which terminate the FLOATING WAVE LENGTHS if any including writing date of cleaning using synthetic enamelled paint of white colour over black background with letters of size 100mm height x 100mm wideth complete all as specified and directed.(Location:ECSD/Dakshineswar)

Material and labour for cleaning the Overhead reservoir using high pressure jet pump and taking out dirt from the tank and make dirt free and sterlize the tank with antibacterial agent (H2O2) biodegrable echo-friendly in nature and totally safe for drinking water and finally put an ultra violet ray inside the tank to kill the wave - length if any , and floating bacteria and making the tank absolutely bacteria free for the tank loading including writing the date of cleaning at outside of OHT using synthetic enamel paint of white colour over black background with letters of size 100 mm height X 100 mm breadth complete all as specified and as directed for the capacity of 10000 gallon at 23 mtr height. [LOCATION : BAGJOLA MILITARY CAMP]

All as per Item No:130 above ,but for the capacity of 40000 gallon at 25 mtr height. [LOCATION : 2 CBPO MILITARY CAMP]. Note for item Nos. 124 to 129- Hygienic certificate for the tank shall be obtained from SHO of the area, before claiming the payment.

Lifting of submersible pump and motor of capacity 2HP/3HP after disconnecting it from , 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, 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. Notes:- (i) The spares listed herein after shall be measured and paid as supply only. (ii) The labour element involved in replacing the spares is deemed to include in the quoted rate. (iii) The contractor shall take cognizance of the above aspects and quote the unit rate. (iv) Cost of any other spares / minor spares, not specified here in after, and the spares like nut bolts washers etc shall be deemed to be included in the unit rate quoted. (v) Rewinding, if any, shall be measured and paid separately under relevant items. (vi) The decission of GE shall be final and binding. (vii) The makes are as per the existing.

Supply only “Gun metal motor housing bush” for submersible motor of 2HP/3HP complete all as specified and directed.

Supply only "Thrust bearing " suitable for 2HP/3HP capacity submersible motor complete with thrust bearing plate and segment complete all as specified and directed.

Supply only bowl bush made of stainless steel suitable for submersible pump complete all as specified and directed.

Supply only Impeller made of stainless steel for submersible pump of capacity 2HP/3HP complete all as specified and directed.

Supply only bush stainless steel for coupling of motor & pump” for submersible pump of capacity 2HP/3HP complete all as specified and directed.

Material and labour mild steel in form of bars /angles/pipe and welding works to fabricate net frame / base channels of pump / supporting coloumns of rain pump delivery pipes. Make:- Rinl / Sail / Jindal

Development and surging of borewell ( by air compressor ) 250mm x 150mm dia casting and 150mm dia sloted strainer length 450 ft by charging at required quantity at chemical ( Hydrochloric Acid Bleaching) without any damage to the tubewell and blowing tempered air by using phenmetic air compressor for minimum 48Hrs and carry out development wk to give desired yield as per direction of engr in charge.

Suppy and fixing damping pad / non vibration pad for 75 hp non-clogging centrifugal type Rain pump complete all as specified and directed.

Suppy and fixing dampingp pad / non vibration pad for 15 hp non-clogging centrifugal type Rain pump complete all as specified and directed.

Material and labour for PCC (1:2:4) type B-1 (using 20mm graded aggregate) for base foundation including necessary form work, and finishing the surfaces even and smooth without using extra cement including demolition of damaged PCC coping complete all as specified and as directed.

Lifting of suction pipe of size 50/80/100 mm pipe of centifugal /non clog type centrigalfugal pumps with foot valve and cleaning the obstacles for smooth flow of water complete all as specified.

Lifting of suction pipe of size 150/200 mm pipe of non clog type centrigalfugal pumps with foot valve and cleaning the obstacles for smooth flow of water complete all as specified.

Supply and lay Ductile Iron Pipe spigot & socketed ends, (suitable for Tyton joint), centrifugally cast, Type K-9, 100 mm bore in any length, laid in trenches & leakproof jointing with existing HDPE/PPR pipe line alogwith accessories fittings like flange, rubber gasket, nut bolts etc. including testing complete including taking down old u/s one & all as specified and as directed. Note: (i) Excavation & earth work, fittings and Joints shall be measured and paid separately under respective items & Sch ‘A’ as specified. Make:-Electro casting steel / Jindal / Sri pipes / NecoCentri / BIC / AIC / PIC / Jai balaji Industries / Tata Matliks / Tata Kabuto./ M/S KiswokIndustreies Pvt Ltd

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 by Engr-in-Charge. Note:- Cable from pump house to water level indicator shall be measured and paid separately. Make- SECO/ Surya/ Phototron

Taking down of unserviceable cable of any type from water level indicator and supplying and fixing of 0.5 sqmm , 3 core, PVC insulated, FR PVC round sheathed copper conductor flexible industrial cable, 1100 Volts , ISI-694 marked including S&F 10 SWG GI suspension wire from overhead tank to pump house complete all as specified. Make:- Mescab/ Polycab/ Havells / RR Kabel / HPL / C&S)

SEN ELECTRIC WORKS

RADHA ENTERPRISE

S. P. SINGHA

ELECTRO COMMERCIAL CO

N. S. CONSTRUCTION

A ESS and CO

CHOWDHURY SMALL INDUSTRIES