REPAIR MAINT OF IRP SOFTENING PLANT RO PLANT SEWAGE PLANT and LT PANELS IN SEWAGE INSTALLATIONS AND OTHER CONNECTED WKS 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 & Dakshineswar)

Opening top cover of manhole and side hand hole of 5555 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 & Dakshineswar)

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)

Opening top cover of manhole and side hand hole of 5555 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 & 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, and Cleaning, 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, first quality, over a coat of red oxide primer in inner periphery suitable for potable water,and painting with two coats of synthetic paint, first quality, 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 of capacity 10000 GPH by using wire brush and flushing with fresh water, drying and applying two coats of anticorrrosive bituminous paint, first quality, over a coat of red oxide primer used in potable waterin inner periphery and painting with two coats of synthetic enamel paint, first quality, 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 colou all as directed. Make of paint:- Asian / Berger / Jenson & Nicholson / Shalimar.

Cleaning and scraping the inner periphery and outer surfacse of IRP/ softening plant vessel of capacity 5555 GPH by using wire brush and flushing with fresh water, drying and applying two coats of anticorrrosive bituminous paint, first quality, over a coat of red oxide primer used in potable waterin inner periphery and painting with two coats of synthetic enamel paint, first quality, 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 colou 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 / 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 15" 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") inside the pressure filters at different location.

Supply & charging of new filter sand of 10 x40 mesh from baraker 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. Existing Make : Ion Exchange. (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. 12 shall be reused after cleaning, washing usinng hydro chloride solution 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 inside including taking out old damaged wire mesh, capacity of plant, 5555/10000 GPH etc complete.

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 two coats of synthetic enamel paint over a prime 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 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 two coats of synthetic enamel paint over a prime 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 two coats of synthetic enamel paint over a prime 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 two coats of synthetic enamel paint over a prime 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 two coats of synthetic enamel paint, first quality, 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 20 here-in-before but for valve of size 80 mm dia.

All as per item No 20 here-in-before but for valve of size 50 mm dia.

All as per item No 20 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 / ). (Note : New bolts, Nuts, washers & 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.

All as per item No 24 above but for valve of size 80 mm dia.

All as per item No 24 above but for valve of size 50 mm dia.

All as per item No 24 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, first quality, 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.

All as per item No 28 above but for valve of size 80 mm dia.

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 : Audco/Upadhya/Crawley & Ray/ Zoloto

All as per item No 30 above but for valve of size 80 mm dia.

Supply & fix PVC 15 mm bib tap 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 Zoloto / Audco

Supply only MS bolts, nuts & washers of different sizes suitable for CI/MS flanged pipe & sluice valve etc. Note:- The quantity supplied in each lot shall be entered in MB not to be abstracted , duly signed by the Engineer-In-Charge and the contractor, as a token of check for the quantity measured, before releasing payment. Make:- GKW / Mahendra / L&T/ 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. Note:- The quantity supplied in each lot shall be entered in MB not to be abstracted , duly signed by the Engineer-In-Charge and the contractor, as a token of check for the quantity measured, before releasing payment.

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 and labour for drilling on 80 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 synthetic enamel paint, first quality, 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.

Microbiological, Physical and Chemical testing of water sample collected from various locations on quarterly basis alongwith test report and all as directed (Note:- (i) The testing shall be carried out in any Govt Lab having NABL Accredition / Govt Engineering College / Regd University,and shall be submitted while claiming payment. (ii) Locations are as (a) Salt lake (b) Dakshineswar (c) Bagjola (d) 2CBPO (e) ECSD 46 BT Road

Supply and lay Ductile Iron Pipe spigot & socketed ends, (suitable for Tyton joint), centrifugally cast, Type K-7, 100 mm bore in any length, laid in trenches/floor/wall & leakproof jointing with existing DI/CI pipe line alogwith accessories fittings like flange, rubber gasket, nut bolts etc. and testing complete including taking down old U/S CI Pipe, by burning lead joints/ removing Flange joints / Rubber gasket joint, etc completly, all as specified and as directed.

Supply and lay Ductile Iron Pipe spigot & socketed ends, (suitable for Tyton joint), centrifugally cast, Type K-7, 150 mm bore in any length, laid in trenches/floor/wall & leakproof jointing with existing DI/CI pipe line alogwith accessories fittings like flange, rubber gasket, nut bolts etc. and testing complete including taking down old U/S CI Pipe, by burning lead joints/ removing Flange joints / Rubber gasket joint, etc completly, all as specified and as directed. Make for item Nos. 41 & 42:- Electro casting steel / Jindal / Sri pipes / Jai balaji Industries / Tata Matliks / Tata Kabuto./ M/S Kiswok Industreies Pvt Ltd.

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.

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 150 mm bore dia DI pipes 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, 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 in replacement 100 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.

Supply and fix in replacement 150 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 for item Nos. 52 & 53:- Upadyaya/ RMCO/ Veenus / Zoloto / Leader.

Material and labour for brick work with bricks class designation 75, old size, straight or curved on plan exc 6m mean radius built in cement mortar (1:4) complete all as specified and as directed.

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 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 with single phase preventer after taking down the old one complete all as specified and directed. Make:- L&T / C&S / Legrand / Havells /

Taking out non clogging centrifugal type Sewage pumping set of capacity 5HP to 7.5 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 of pump & motor to workshop and back for necessary repair & replacement of unserviceable parts, including. bolts, nuts, washers, gaskets etc, duly cleaning and painting with synthetic enamel paint & reassembling the same including testing, lowering & commissioning of sewage pumping set complete all as specified and directed. Existing make of pump:- Kirloskar/KSB Note: (i) . Spares as mentioned herein after, shall be measured as supply only,under relevant items . The labour element involved in fixing the spares shall be deemed to be included in the unit rate quoted. (ii) Rewinding of motor, if so required, shall be measured & paid separately. (iii) Gate pass is mandatory fro transporting the pump to work shop. The gate pass shall be submitted while claiming the Payment

Supply only,Cast iron impeller” for non clogging centrifugal type Sewage pumping set of capacity 5HP to 7.5 HP with motor complete all as specified and directed.

Supply only,Shaft sleeve” for centrifugal or non clogging centrifugal type Sewage pumping set of capacity 5HP to 7.5 HP with motor complete all as specified and directed.

Supply only, Shaft O-40” for centrifugal or non clogging centrifugal type Sewage pumping set of capacity 5HP to 7.5 HP with motor complete all as specified and directed.

Supply only, “Gland” for centrifugal or non clogging centrifugal type Sewage pumping set of capacity 5HP to 7.5 HP with motor complete all as specified and directed.

Supply only, “Bearing” for centrifugal or non clogging centrifugal type Sewage pumping set of capacity 5HP to 7.5 HP with motor complete all as specified and directed. Make :- SKF / Tata / NBC

Supply only, “CI coupling between pump and motor” for centrifugal or non clogging centrifugal type Sewage pumping set of capacity 5HP to 7.5 HP with motor complete all as specified and directed.

Supply only, “GM bush” for centrifugal or non clogging centrifugal type Sewage pumping set of capacity 5HP to 7.5 HP with motor complete all as specified and directed.

Taking out non clogging centrifugal/ submersible type Sewage pumping set of capacity upto 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 of 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 of sewage pumping set complete all as specified and directed. Existing make of pump:-Kirloskar/KSB/Crompton Note: (i) . Spares as mentioned herein after, shall be measured as supply only,under relevant items . The labour element involved in fixing the spares shall be deemed to be included in the unit rate quoted. (ii) Rewinding of motor, if so required, shall be measured & paid separately. (iii) Gate pass is mandatory fro transporting the pump to work shop. The gate pass shall be submitted while claiming the Payment

Supply only,Cast iron impeller” for centrifugal/ submersible type Sewage pumping set of capacity upto 3HP with motor complete all as specified and directed.

Supply only,Shaft sleeve” for centrifugal/ submersible type Sewage pumping set of capacity upto 3HP with motor complete all as specified and directed.

Supply only, Shaft O-40” for centrifugal/ submersible type Sewage pumping set of capacity upto 3HP with motor complete all as specified and directed.

Supply only, “Gland” for centrifugal/ submersible type Sewage pumping set of capacity upto 3HP with motor complete all as specified and directed.

Supply only, “Bearing” for centrifugal/ submersible type Sewage pumping set of capacity upto 3HP with motor complete all as specified and directed. Make :- SKF / Tata / NBC

Supply only, “CI coupling between pump and motor” for centrifugal/ submersible type Sewage pumping set of capacity upto 3HP with motor complete all as specified and directed.

Supply only, “GM bush” for centrifugal/ submersible type Sewage pumping set of capacity upto 3HP with motor complete all as specified and directed.

Material and labour for re-winding of motor capacity 5HP to 7.5 HP for non clogging centrifugal type Sewage pumping 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 directed.

Material and labour for re-winding of motor capacity upto 3 HP for non clogging centrifugal/ submersible type Sewage pumping 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 directed.

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. Make of wire for winding for item Nos. 73 to 75:- ICC / Devidayal / Finolex.

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 occured to plants during the Qtr (with in 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 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:76 above but for capacity 600/500/250 LPH. Note:Location: IWT Dakshineswar-02 Nos & Salt Lake-02 Nos.

Replacemnet of Mechanical seal of RO plant high pressure pump of capacity 800/600/500/250 LPH

Repair and servicing of high pressure pump of RO plant of capacity 600/500/250 LPH

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

Repair and servicing of membrane cleaning pump of RO plant of capacity 600/500/250LPH

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 600/250/500 LPH

Supply and fixing Iron filter for existing model at Salt Lake, Dakshineswar and 2 CBPO of capacity 250/500/600/800 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 & 600/500/250 LPH

Supply and fixing in replacement of Cartriage Filter for RO plant of of capacity 800/600/500/250 LPH

Supply and fix in replacement of Cartriage cover/housing for RO plant of of capacity 800/600/500/250 LPH

Supply and fixing Ultra Violet Ray lamp suitable for RO plant of capacity 800/600/500/250 LPH

Supply only chemical of nomenclature AQUACLEAN CVD for cleaning of membrane of RO plant of capacity 800/600/500/250 LPH.

Supply and fixing TDS meter as per existing Model including taking out old meter all as directed.

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

Supply and fixing Floaty as per existing model including taking out old unserviceable floaty of RO plant of capacity 800/500 LPH

Supply and fix in replacement of PVC F.R.P. Vessel filled with sand and gravel upto adequate qty and as per existing Model including taking out old unserviceable vessel complete all as specified and as directed

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.

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 item No. 93 & 94 for winding wire:-ICC / Devidayal / Finolex.

Supply and fixing RO plant Membrane in replacemnet of unserviceable membrane of RO plant of capacity 800/600/500/250 LPH.

EAST COAST STANDARD PRODUCTS

S B ENTERPRISE