REPAIR MAINT OF IRON REMOVAL PLANTS WATER FILTRATION PLANTS AND SWIMMING POOL AT FORT WILLIAM UNDER GE (FW) KOLKATA

Amount

M&L for drain out water from fountain sump and removing the sludge by scrubbing, cleaning the inner surfaces by using chemical and wall with wire brushes, murquric acid complete all as specified and as directed by Engr-In-Charge. Note for item No-01: Measurement shall be taken for the cleaned surface of wall and floor of the sump.

Taking out existing open well submersible pumping sets, of capacity 0.5 HP, single phase, dismantling the pump sets from motor and removing all burnt/wornout coils, cleaning the slots and rewinding with super enamelled copper wire of existing size including varnishing two coats, drying and reassembling the electic motor re-transporting, re-installation and testing complete all as specified and directed by Engr-in -charge.

All as per item No-2 here-in-before but capacity 1 HP

All as per item No-2 here-in-before but capacity 1.5 HP

All as per item No-2 here-in-before but capacity 2.0 HP

All as per item No-2 here-in-before but capacity 3 HP

All as per item No-2 here-in-before but capacity 5 HP

All as per item No-2 here-in-before but capacity 7.5 HP

All as per item No-2 here-in-before but capacity 10 HP

S&F in repairs LED RGB colour fountain light, in die cast aluminium silver coloured body, 6x3 watt, IP-68 grade protection of cutout size 100 mm dia and 120 mm height, total lumen output 960 Lumen with beam angle 5-45 degree incl all accessories such as constant curent driver, lens, glass, gland, clamp etc complete all as specified and as directed by Engr-in-charge Make- Philips/ Bajaj/ Havells

S&F in repair constant current driver suitable for 6 x 3 watt LED fountain lights complete all as specified and directed by Engr-In-Charge. (Make : As per OEM or any other reputed make as approved by GE) Note: This item shall be executed for replacement of damaged driver of the serviceable light fittings

S&F in repair LED light colour changing control box, of capacity 230 volts, 10 Amps to achive six colour sequence operations complete all as specified and directed by Engr-in-charge.

S&F in repair single phase submersible pump starter, 220 volt, AC supply with capacitor rating 25 MFD and relay range 6 Amp suitable for 0.5 HP motor incl taking down existing starter complete all as specified and as directed. Make - BCH Ref No CPPM50-25-SP or equivalent complete all as specified and directed.

S&F in repair single phase submersible pump starter, 220 volt, AC supply with capacitor rating 36 MFD and relay range 8 Amp suitable for 1.0 HP motor incl taking down existing starter complete all as specified and as directed. Make - BCH/ L&T/ Siemens .

S&F in repair single phase submersible pump starter, 220 volt, AC supply with capacitor rating 50 MFD and relay range 12 Amp suitable for 2.0 HP motor incl taking down existing starter complete all as specified and as directed. Make - BCH/ L&T/ Siemens

S&F in repair three phase submersible pump starter, 415 volt, AC supply with relay range 5.5-8 Amp suitable for 5.0 HP motor incl taking down existing starter complete all as specified and as directed Make -C&S / L&T/ Siemens

S&F in repair three phase submersible pump starter, 415 volt, AC supply with relay range 9-14 Amp suitable for 7.5 HP motor incl taking down existing starter complete all as specified and as directed. by Engr -in -charge. Make -C&S Ref No BE1 DXP204=316X or equivalent complete all as specified and directed

S&F in repair three phase submersible pump starter, 415 volt, AC supply with relay range 13-18 Amp suitable for 10.0 HP motor incl taking down existing starter complete all as specified and as directed. Make -C&S Ref No BE1 DXP204=321 or equivalent complete all as specified and directed

S&F in repair submersible pump capacitor 25 MFD, single phase,suitable for 0.5 HP motor complete all as specified and as directed. Make -Havells or equivalent complete all as specified and directed

S&F in repair submersible pump capacitor 36 MFD, single phase,suitable for 1.0 HP motor complete all as specified and as directed. Make -Havells or equivalent

S&F in repair submersible pump capacitor 50 MFD single phase,suitable for 2.0 HP motor complete all as specified and as directed. Make -Havells or equivalent

S&F in repairs 3 step fountain floor nozzles with 19 Nos adjustable nozzles (4 mm hole) chreomium plated brass body with ABS parts of size 25 mm dia complete all as specified and as directed by Engr-in-charge.

S&F in repair solid water brass jet nozzles 1" dia suitable for fixing on 25 mm dia pipes complete all as specified and as directed by Engr-in-charge.

S&F in repair flowering nozzles consisting 24 Nos nozzles holes made of brass suitable for fixing on 25 mm dia pipes complete all as specified and as directed by Engr -in -charge.

Dismeantling of ball fountain with 85 Nos steel body pipes of size 76 cm long x 15 mm dia with brass nozzles on top of the pipes, removing / unscrewing the nozzles, pipes cleaning properly the nozzles, pipes and ball fountain complete with wire brush, acid etc and refixing the nozzles, pipes etc in position and the re-fixing ball fountain including testing for complete serviceability of the fountain complete all as specified and as directed. (Note: New steel body pipes & brass nozzles, if required shall be measured and paid seperately)

Supply only galvanised steel pipes 15 mm dia, medium grade of size 76 cm long, duly threaded for fixing nozzles complete all as specified and as directed by Engr -in -charge.

Supply only brass nozzles for fixing on ball fountain pipes complete all as specified and as directed by Engr-in-charge.

S&F in repair of brass fountain foam nozzles medium type including taking down unserviceable complete all as specified and asdirected by Engr -in -charge.

S&F in repair PVC insulated flat industrial copper cable of cross-sectional area 1.5 sqmm x 3 core multi stranded suitable for submersible pump conplete all as specified and directed. Make- Mescab

All as per item No 29 here-in-before, but cable of size 2.5 sq mm 3 core.

All as per item No 29 here-in-before, but cable of size 4.0 sq mm 3 core.

Taking out existing GI pipes from existing position in fountains etc alongwith nozzles and other fittings and providing new GI pipe medium grade with all fittings including drilling, cutting & fabrication, bent to shape required and welding of brass crown nozzles at equal intervals of approx 10 cm apart (as per existing layout) duly laid/fixed on wall / floor including testing for functionality of the system complete all as specified and as directed by Engr-in-charge for the following: - (Note: Existing brass crown nozzles shall be re-fixed, new nozzles, if required shall be measured seperately as "Supply only") (a)40 mm bore GI pipes medium grade

All as per item No.32 here-in-before but 25 mm bore GI medium grade

Supply only brass Adjustable crown nozzles complete all as specified and as directed by Engr-in-charge

S&Fin repair brass Adjustable crown nozzles complete all as specified and as directed by Engr-in-charge

Supply and fixing in repair bell type brass fountain nozzle complete all as specified.

Dismeantling brass adjustable crown nozzles from fountain body, properly cleaning and refixing of nozzles in position complete all as specified

S&F in repair Gun metal gate valve 80 mm bore, as per IS : 778-84 class-1 preasure tested 2.4 Mpa with iron wheel head, screwed both ends for iron pipes of for unions complete all as specified and as directed.

All as per item No 38 above but 50 mm bore valve.

All as per item No 38 above but 40 mm bore valve.

All as per item No 38 above but 25 mm bore valve.

All as per item No 38 above but 20 mm bore valve.

S&F in repair brass foot valve strainer, inner/outer threaded type complete all as specified and as directed by Engr-in-charge for the followings: - (a) 25 mm dia

All as per item No 43 above but 40 mm bore valve.

All as per item No 43 above but 50 mm bore valve.

All as per item No 43 above but 80 mm bore valve.

Supply and fixing in repair of MCB-Series, SPN, 32 Amps, 230 volts complete all as specified and directed by Engr-in-charge. Make-C&S, Cat No CSMBS2DC32-500

Supply and fixing in repair of MCB, SPN, 20 Amps, C-Series 230 volts complete all as specified and directed by Engr-in-charge. Make-C&S, / Havells/ L&T/ Siemens

Supply and fixing in repair of MCB, SPN, 16 Amps, C-Series 230 volts complete all as specified and directed by Engr-in-charge. Make-C&S/ Havells/ L&T/ Siemens

Supply and fixing in repair of Isolator, TPN, 40 Amps, 415 volts complete all as specified and directed by Engr-in-charge. Make-C&S/ Havells/ L&T/ Siemens

Supply and fixing in repair of Isolator, TPN, 63 Amps, 415 volts complete all as specified and directed by Engr-in-charge. Make-C&S / Havells/ L&T/ Siemens .

Supply and fixing in repair of sheet metal encloures double door type for DBs for incorporating MCBs single pole and neutral 2 way without busbar, complete all as specified and as directed.

Supply of RCC flowerpot of suitable size (with dia & depth not less than 450 mm and 500 mm respectively) painted with two coats of synthetic enamel paint of approved shade, filled with prepared mix of earth duly mixed with cow dung, neem khali, bone meal,DAP, Chloropyriophos etc in required including supply and planting of healthy saplings of "Harika Palm" species (of minimum 45 cm height) in the flower pet complete all as specified and directed.

Supply and plantation of hedges (species - Durranta Golden or equivalent as approved by GE) at an interval of 30 cm including preparation of ground to required depth, filling of sweet earth mixed adequate qty of cow dung, neem khali, bone meal, DAP etc in required proportion and watering etc complete all as specified and directed. NOTE FOR ITEM NO, 49 & 50 (i) Cost of manure, chamical, bone meal, neem khali etc is deemed to be included in the quoted rate. (ii) The quoted rates shall be deemed to be inclusive of upkeeping and maintenance of the lawn & plants, proving manure, weeding, application of suitable chamical for termite and weed infastation, cutting & trimming of the hedges as per desired shape for a period of one year from the certified date of completion.

Dismantling the old unserviceable items from the existing iron removal plant of 10000 GPH capacity incl opening the man hole cover taking out all filter media i.e. sand, gravels, pebbles, stainer, MNO2, Resin, valves, pipe fittings with complete connection of pipes & valves and repairing the same including filling of filter media/chemicals as required and testing complete all as specified and as directed. Each iron removal plant consists of following:- (a) One Pressure filter capacity 10000 GPH. (b) One Softner capacity 10000 GPH (c) One soda ash dozer / Oxidation chamber (d) Accessories for above items.

Notes :- (a) Quoted rate is deemed to be inclusive of :- (i) keeping leak proof of whole plants, all Sluice/ diapharam / flanged valves, replacement of rubber hose, clamps, etc. (ii) Filling of all filter media to plants like gravels, pebbles, sand, catalyst MNO2, resin, stainer etc. (iii) Disconnection or interconnection pipes of any sizes, valves, guages, and all accessories etc., incl reassembling the whole plant by welding., jointing etc. (iv) Testing of water for Iron, PH value, Hardness, Residual chlorine etc. (b) New items like pressure guage, pipes/flanges of any type & any size, valves of any type, diaphram, painting, water testing, fliter media, nut, bolt , washers shall be measured and paid seperately under relevent items of this schedule. (c) Contractor is advised to visit the site prior to submission of bid. No claim shall be admissible at a later stage.

Supply only Coarse sand suitable for filter media/rapid gravity filter

Supply only 2 to 5 MM gravels

Supply only 5 to 12 MM gravels

Supply only 12 to 20 MM gravels

Supply only 20 to 40 MM gravels

Supply only Catalyst (MNO2)

Supply only salt

Dismantling the old unserviceable items from the existing Multi Grade Filter/Pressure filter plant of 88 Cum/Hr capacity incl opening the man hole cover taking out all filter media i.e. sand, gravels, pebbles, stainer, MNO2, Resin, valves, pipe fittings with complete connection of pipes & valves and repairing the same including filling of filter media/chemicals as required and testing complete all as specified and as directed. Each iron removal plant consists of following:- (a) Three Pressure filter capacity 88 Cum/Hr.-03 Nos (b) Three Oxidation Chamber filter capacity 88 Cum/Hr-03 Nos (c) Three air compressors.-03 Nos

Notes :- (a) Quoted rate is deemed to be inclusive of :- (i) keeping leak proof of whole plants, all Sluice/ diapharam / flanged valves, replacement of rubber hose, clamps, etc. (ii) Filling of all filter media to plants like gravels, pebbles, sand, catalyst MNO2, resin, stainer etc. (iii) Disconnection or interconnection pipes of any sizes, valves, guages, and all accessories etc., incl reassembling the whole plant by welding., jointing etc. (iv) Testing of water for Iron, PH value, Hardness, Residual chlorine ,TDS, TSS, Iron etc. (b) New items like pressure guage, pipes/flanges of any type & any size, valves of any type, diaphram, painting, water testing, fliter media, nut, bolt , washers shall be measured and paid seperately under relevent items of this schedule. (c) Contractor has to execute the job through Auth OEM of filter plant (i.e ION Exchange Ltd / equivalent make from approved list of E-in-C's Branch ) : After completion of work, OEM has to submit gurantee certificate of minimum 24 months of compliance with all Bacteriological/ Physical/Chemical Parameters as per relevant IS-3328: 1993/NBC standard., complete all as specified and directed by Engineer-in-Charge.

(a) Supply only filtering sand mixture of 6-14 & 16-30 BS mesh sand-17700Kgs (b)Supply only Pebbles 1-1/2*1- (1950 Kgs) (c) Supply only Pebbles 1" x 3/4" - (1800 Kgs) (d) Supply only Pebbles 3/4" x 1/2" - (1350 Kgs) (e)Supply only Pebbles 1/2" x 1/4" - (1350 Kgs) (f)Supply only Gravels - (1400 Kgs) (g)Supply only Catalyst (MNO2) Media - (1500 Kgs) (h)Rubber Packing Gasket 5mm - (06 RM)

M&L for the cascade consisting of three tiers and cleaning by applying Hydrochloric acid / Muratic acid, cleaning thoroughly the floor of three tier cascade with the help of water and finally painting the wall surface (weather proof) and testing cascade for smooth functioning etc complete all as specified and directed by Engineer-in-Charge.

M&L Cleaning and servicing of balancing tank by using wire brush, manually removing the deposited silt, debris at the bottom (8.30 m depth), suitable for cleaned water, inside the tank (area of tank approx 16 Sqm) and painting of DI Pipe of Dia 200 MM with one coat of synthetic enamel paint etc complete all as specified and directed.

Initial Cleaning of Swimming Pool water of capacity 21.5 lakh litres by adding alum, Soda, oxalic acid, Thioline, Chlorination and tested as per entire satisfaction of the Engineer-in-Charge. Note: (i) The quoted rate shall deemed to be inclusive of all tools and plants, all chemicals & labours for initial cleaning etc. as required at site (ii) The chemical reqmt of TCCA 90% is 250Kgs, Alum crystal is 200 kgs. (iii) Purchase voucher for TCCA and Alum crystals are to be submitted. Note: - Necessary photographs kept on record before or after execution of each Job. and submit payment stage.

M&L one coat of synthetic enamel paint (smoke grey/blue shade) after preparation of external surfaces consisting of three Pressure filter plant, vertical type capacity of 88Cum/Hr and three Oxidation chamber of capacity 88 Cum/Hr including necessary connected pipe lines and valves complete all as specified and directed. (Location :- swimming pool treatment plant)

S&F Roller with bearing suitable for suction sweeper pumps as in repair complete all as specified and directed by engr-in-charge

S&F Nylon (polymide multifilament) rope 25 mm dia 3 strand, conforming to IS 4572, for suction sweeper as in repair complete all as specified and directed by Engineer-in-Charge.

M&L one coat of black bituminious paint after necessary preparation of internal surfaces of plants consisting of one pressure filter, one water softner & one oxidation chamber of capacity 10000 LPH including necessary connected pipe lines and valves complete all as specified and directed by Engineer-in-Charge.

M&L one coat of synthetic enamel paint (smoke grey/blue shade) after preparation of external surfaces consisting of one pressure filter, one water softener & one oxidation chamber of capacity 10000 LPH including necessary connected pipelines and valves complete all as specified and directed.

S&F Cast iron bend upto 200 mm bore (any type, radius and angle) taper any type (straight, bend, increasing, decreasing or double socket etc) tee pieces, 'Y' junction, double branch, cross (all sockets or socket and spigot/flanged type) collars, caps and plugs as in repair complete all as directed by Engineer-in-Charge.

S&F Fibre reinforced PVC suction pipe of size 40 MM dia fixed as in repair complete all as specified and as directed. (Make : Honda or equivalent make as approved by GE)

S&F Aluminium telescopic extension rod minimum length 15 ft. with Net/Brush (size 18 inch) for removing floating leaf & scrubbing algae from swimming pool & filteration Plant as in repair all as specified and as directed by engr-in-charge

S&F Algae/Brush with stainless steel(size 10 inch) for used to scrub pools walls and remove debris from swimming pool & filteration Plant as in repair all as specified and as directed by Engr-in-charge

S&F CI Diaphram valve 100 mm bore flanged type including taking down old unserviceable diapharm valve as in repair complete all as specified and directed by Engineer-in-Charge.

S&F CI Diaphram valve 50 mm bore flanged type including taking down old unserviceable diapharm valve as in repair complete all as specified and directed by Engineer-in-Charge.

S&F CI Diaphram valve 40 mm bore flanged type including taking down old unserviceable diapharm valve as in repair complete all as specified and directed by Engineer-in-Charge.

S&F CI Diaphram valve 25 mm bore flanged type including taking down old unserviceable diapharm valve as in repair complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in repair 100 mm bore CI butterfly valve, conforming to BS-5155, Lever operated with necessary rubber gaskets, nuts and bolts and washers of suitable size as directed by the Engineer-in-Charge.

All as per Item No. 80 above but of size 150 mm bore

S&F in repairs, 20mm dia Gun metal, globe or gate valves with iron wheel head, ISI marked screwed both ends for iron/GI pipe and fixed complete all as specified and as directed.

All as per item No 82 above but 25mm dia globe or gate valve.

M&L 225 NA cation resin complete all as specified and as directed by Engineer-in-Charge. Make : Ion Exchange India Ltd. Note : Material shall be procured directly from the Manufacturer or from authorised dealer. Purchase Voucher shall be submitted.

Supply only,Poly Aluminum Chloride (PAC) suitable for drinking water, high basicity in granular/ powder form inorganic soluble polymer confirming to IS 15573 in required pack. Make : Vikram PAC or Equiv

Supply only , High strength calcium based granular chlorination chemical (Calcium Hypochlorite in 45 Kg Drum) having chlorine (cl) percentage by volume 65% to 70% (disinfectant for water treatment). Make: Purichlor /Aqua fit /declibac or any make and brand as approved.

Supply only ,Bleaching powder as per IS 1065 , complete all as specified & directed

Supply only, High strength calcium based granular chlorination chemical (TCCA 90%- Trichloroisocynuric Acid 90%) disinfectant for water treatment. Make: Chemtex/ABI

Supply only Alstasan Aqua (Eco friendly swimming pool discinfectant chemical, non-oxidizing, non chlorine content and non-toxic. Make: Alstasan Aqua,Chemtex speciality ltd.

M&L Mild steel studs nuts and bolts with Mild Steel washer of any size for jointing of Mild Steel Column pipes, etc as in repair complete all as specified and directed by Engineer-in-Charge.

S&F MS Flange suitable for 100 mm bore MS pipe, internally threaded and having 4 hole type including necessary welding work, as in repair complete all as specified and directed by Engineer-in-Charge.

S&F MS Flange suitable for 40 mm bore MS pipe, internally threaded and having 4 hole type including necessary welding work, as in repair complete all as specified and directed by Engineer-in-Charge..

S&F MS pipe heavy duty of size 100 mm dia incl necessary fittings like bend, tee, elbow incl fabrication, cutting & welding works (arc/gas type) for iron removal plant as in repair complete all as specified and directed by Engineer-in-Charge.

S&F MS pipe heavy duty of size 200 mm dia incl necessary fittings like bend, tee, elbow incl fabrication, cutting & welding works (arc/gas type) for iron removal plant as in repair complete all as specified and directed by Engineer-in-Charge.

S & F Pressure gauge dial type with range 0 to 10 kg/sqcm including necessary MS pipe & stop cock suitable size as in repair complete all as specified and directed by the Engineer-in-charge.

Dismantling Air blower capacity 1 HP electric motor and re-fixing the same in position including remetaling, turning and polishing of roller and shaft, re-fixing including replacement of shafts seal of the blower, bush seal, greasing etc. complete as directed by the Engineer-in-Charge.

Disconnecting all electric / water supply connection from the monoblock / cenrtifugal pump set of capacity 15HP any make, electric driven AC 3 phase, 415 Volts, transporting to workshop, dismantling, removing the burnt out windings, cleaning the starter slots and rewinding with super enamelled copper wire of suitable gauge, insulating, proper heat varnishing, re-transportation and re-installation at same position incl commissioning and testing complete all as specifed & directed.

S&F Ball bearing for AC 3 phase 415 Volts induction motor / monoblock pump set of capacity 15HP, in replacement as directed by the Engineer-in-Charge :- Make-SKF 6308

Dismantling and taking out of the following capacity pump setof capacity 15HP of any type (monoblock/centrifugal) complete of any make from any installation , transporting to workshop and re-installation in same position after replacement of worn out spare parts and painting with one coat of synthetic enamel paint to pump only incl commissioning & testing on completion all as directed by the Engr-in-Charge. (Note : Spares parts will be measured & paid separately under relevent item)

Disconnecting of all electric connection, taking out 3 phase, 415 Volts induction electric motor of capacity 15 HP from any installation of any make (other than, as catered under Item No. 47 here-in-before), transporting to workshop, dismantling, overhauling with proper heat varnishing, (for proper insulation), re-metalling, machine polishing of rotor shaft, terminal box and applying one coat synthetic enanel paint, transporting back to work site for reinstallation of the same including testing complete all as specifed & directed.

Supply only cast iron impeller, suitable for 15 HP capacity monoblock pump as directed by the Engineer-in-Charge. (Make of Pump - Kirloskar/ KSA/ Crompton Greaves)

S&F MS star/round coupling with star rubber bush / Rubber round coupling with MS plate incl necessary nut, bolt & washers complete of centrifugal pumps 15 HP capacity complete all as specified and as directed.

S&F Motor cooling fan suitable for 15 HP induction motor as in repair complete all as specified and as directed.

S&F Gun metal gland bush including graphite gland packing for induction / monoblock pump set of capacity 5 HP to 20 HP, as in replacement complete all as specified and as directed.

Supply only SS Shaft, suitable for 15 HP capacity monoblock pump as directed by the Engineer-in-Charge. (Make of Pump - Kirloskar/ KSA/ Crompton Greaves)

Construction of valve chamber of size750x750x750 mm internal size suitable for housing sluice valve / gate valve etc with PCC 1:4:8 type D2 for foundation 15mm thick with an offset of 5 cm on all sides, brick work in CM 1:4 230mm thick rendering in CM 1:4, 15mm thick, 5 cm thick & 230mm wide PCC 1:2:4 type B1 coping over brick work all around including provision of MS angle iron frame 25 x 25 x 3mm embedded in concrete with suitable hinges 3mm thick MS sheet cover and locking arrangements including two coats of synthetic enamel paint over a coat of red oxide metal primer on exposed steel surfaces including demolition of existing damaged valve chamber and necessary excavation & earth work etc all as specified and directed.

Taking up / down unserviceable / rust valve pit cover and frame / support or platform etc of any size/thickness and supply, fabrication and fixing of framed brackets, rolloing shutters, made of mild steel plate/ flat / angle iron (of required size), cut to shape and size, as in valve pit cover/ frame / support or platform including necessary bending / welding etc as required and applying two coats of black bituminous paint over a coat of red oxide zinc chrome primer complete all as directed by the Engr-in-Charge.

Supply, & fixing of 100mm bore CI Sluice Valve in repairs, Class PN-1.6, both ends flanged and drilled type with SS spindle including wheel, suitable rubber gasket for flanged joints, ISI marked, including provision of necessary jointing materials nuts and bolts, washers etc., complete all as specified and directed.

All as per item No 109 above but 150mm bore Sluice Valve.

All as per item No 109 above but 200mm bore Sluice Valve.

S&F in repairs, 150 mm bore, Non Return valve wafer type swing check valve in CI body with bypass arrangement, ISI marked including bolts, nuts & washers and packing material complete all as specified and as directed.

S&F in repairs MS pump set base frame suitable for 15 HP pump set incl necessary dismantling of old PCC and provision of new PCC 1:2:6 foundation, MS foundation bolt, nut & washers complete all as directed.

ARJUN DAS VALECHA

UNIVERSAL TRADING CENTRE

RAY STANDARD ENGG CO.

MS HORIZEN

M/S S. K. SARKAR

DEEPAK KHATTAR

BASU AND CO

dutta and dutta