REPAIR MAINT OF JETTY PUMP HOUSE AREA DRAINAGE AND WATER TREATMENT PLANT AT WATER GATE UNDER GE FW KOLKATA

Amount

Demolition of cement concrete of any description and in any position along with taking out of common steel base of pump sets of any capacity in foundation for support of pumps for reuse/stacking in store all as specified and as directed by Engr-in-Charge NOTE:-Dismantling of pump & motor and pipe lines shall be measured under relevant items of this schedule.

M & L plain cement concrete (1:2:4), type B2 (using 40mm graded stone aggregate) as in foundations, filling and mass concrete as suitable for foundation of pump set of rating not exc 100 HP capacity complete all as specified and directed.

M & L plain cement concrete (1:1.5:3), type A1 (using 20mm graded stone aggregate) as in filling and mass concrete above foundation as directed by Engr-in-Charge suitable for capacity exc 100 HP Motor & Pump any type complete all as specified and directed.

M&L Preparation of old painted steel or iron surfaces of any description, not other wise described, over 10 cm width or girth and applying one coat of synthetic enamel paint (of approved tint) complete all as specified and as directed.

Repair/ Maintenance of vertical turbine pump of capacity 60 HP to 150HP any make and type at area drainage installation incl lifting & lowering of pump including disconnection of motor from electric line or terminal box and discharge head from drainage line, Dismantling the turbine pump bowl assembly, Dismantling and cleaning of complete bowl assembly items such as CI bowls, impeller, lock collets, bowl bush, suction and discharge case with GM bush including pump shaft, Cleaning of all rotary and stationary parts of pump bowl assembly and lowering of pump along with re-assembling of all accessories and column pipe after cleaning manually duly painted with two coats of anti corrosive black paint on outer surface, including fixing of motor in existing position making all Electrical and supply connections and adjustment of pump load etc and testing as directed by Engr-in-Charge, re-assembling the complete bowl assembly pump with all existing serviceable parts and replace the worn out unserviceable parts with new spares including S&F gasket and balancing of assembly other small nature of indispensable items as required for repairing and making them for their satisfactory run complete as and when directed

NOTE: - Any spares i.e. Impellers, bushes, lock nut and any other spares required for repairs/fixing/lowering of pump will be paid under respective items here in after. However the cost of fixing of above items or any minor machine works required during repairs is deemed to be included in the quoted rates of the item

Supply only following spare parts of vertical turbine pump of 60HP capacity complete all as specified and as directed at area drainage installation:- (Make of pump- GRSE, Model No- TEFC203080)

Synthetic rubber bush for retainer

GM bush

Shaft coupling SS

Shaft sleeves SS

Gland coupling 02 pieces

Stuffing box bush (G.M)

Stuffing box

Stud nut

SS Line Shaft

Column pipe (as per existing specifications)

Retainer

Rubber Bush for retainer

Stainless steel non magnetic pump shaft

Stainless steel non magnetic top shaft (2.50 Metre)

Rubber ring gland

Bowel Body lower Rubber Bush

Gland packing

Balancing, straightening and checking of shaft of vertical turbine pump of 60HP capacity complete all as specified and as directed

Supply only following spare parts of vertical turbine pump of 150HP capacity complete all as specified and as directed:- (Make of Pump- GRSE, Model No-TEFC203091)

Synthetic rubber bush for retainer

Cutlet bush GM with rubberising

Bowl bush

Suction bush

GM gland coupling 02 pieces

Shaft sleeve SS

Shaft coupling SS

Stuffing box

Stud nut

Line shaft SS

Main Pump Shaft

Gland packing

Retainer

Stainless steel non magnetic pump shaft

Stainless steel non magnetic top shaft (2.50 Metre)

Rubber ring gland

Bowel Body lower Rubber Bush

Balancing, straightening and checking of shaft of vertical turbine pump of 150 HP capacity complete all as specified and as directed

Supply only following spare parts of vertical turbine pump of 120HP capacity complete all as specified and as directed. Make- Kirloskar Model No: BHM 25

Synthetic rubber bush for retainer

Cutlet bush GM with rubberising

Bowl bush

Suction bush

GM gland coupling 02 pieces

Shaft sleeve SS

Shaft coupling SS

Stuffing box

Stud nut

Line shaft SS

Main Pump Shaft

Gland packing

Retainer

Stainless steel non magnetic pump shaft

Stainless steel non magnetic top shaft (2.50 Mtr)

Rubber ring gland

Bowel Body lower Rubber Bush

Balancing, straightening and checking of shaft of vertical turbine pump of 120 HP capacity complete all as specified and as directed

S&F mild steel Stud nuts and bolts of size 5/8" x 2", 3", 4", 5" long with MS washer of any size for jointing MS column pipe complete all as specified and as directed.

Dismantling electric motor carefully from turbine pump/panel board manually or mechanically and transporting both way to work shop and installation, re-fixing, reconnecting after necessary repairs carried out as directed by Engr-in-Charge for following sizes:-

Electric motor 60 HP 3 phase, 400/ 415 volts, 50 c/s of any size /shape

-do- but 120 HP

-do- but 150 HP

Repair to motor by opening the electric motor carefully removing all burnt/worn out coils cleaning the slots and rewinding with new super enamelled copper wire of existing size including varnishing two coats, drying after applying heat and reassembling the electric motor at site on full load for 08 hours continuous running for following sizes:- Note : Quoted rates shall be deemed to be inclusive of the cost of copper wire and heat varnishing. Old retrieved copper wire shall be measured under Sch of Credit.

Electric motor 60 HP 3 phase, 400/ 415 volts, 50 c/s of any size /shape

-do- but 120 HP

-do- but 150 HP

M&L Heat varnish of existing motor winding including removing of rotor from starter and topping up of oil, replace the oil seal and re-assembling re-fixing testing of motor complete all as specified and directed by Engr in charge for following capacity of motor :-

60HP Motor

-do- but 120 HP

150HP Motor

S&F Thrust bearing including dismantling /taking out unserviceable thrust bearing of any make complete all as specified and directed by Engr in charge for following Capacities of motor :- (Make: SKF / NBC / TATA / NRB)

60 HP Motor

120 HP Motor

150 HP Motor

S&F Ball bearing including dismantling /taking out old unserviceable ball bearing of any make complete all as specified and directed Engr in charge for following capacities motor :-

60 HP Motor. (Make: SKF, Code no : 6312-2Z or equivalent model in NBC / TATA / NRB)

120 HP Motor. (Make : SKF as per existing model or equivalent model in NBC / TATA / NRB)

150 HP Motor. (Make : SKF as per existing model or equivalent model in NBC / TATA / NRB)

M&L Bearing set of 60HP to 150HP electric motor including taking out damaged part of bearing housing and transporting to workshop for lathe work at contractor's workshop for supply and fixing MS sleeve of suitable size bearing all as specified and directed by Engr in charge.

M&L Periodical Cleaning of 3 lakh gallons capacity area drainage sump having 02 Nos chamber measuring 10.2m x 9.2m each including 04 Nos manholes of depth 6 to 8m and dia 1.00m by taking out the complete sludge, muddy water, obstructive materials like polythene paper, sand bags, wooden pieces etc, debris deposited from the sump manually by deploying suitable tools and plants and removing the same to a distance n.exc 50m from the sump and further loading the stacking particles and unloading the same through a transport with manpower to civil area including scraping with wire brushes for removing scales, mud deposited from the walls/floors surfaces and opening the blocked manholes etc before normalising flow of water complete all as directed by Engr-in Charge.

M&L Periodical cleaning of area drainage washout channel outlet to river Ganga by manually removing the existing deposited materials such as sludge, river sand, waste wooden pieces, branches, leaves, bags, polythene paper, sand bags, empty bottles, deity idols etc by lowering in the channel of depth 6.0 Metre from ground level and taking out all the silt mentioned above complete from valve control room to Ganga river channel (approx 50 M distance) complete all as directed by the Engineer-in-Charge.

M&L Periodical Cleaning of back wash drainage sump by scraping with wire brushes removing the scales, mud, sludge, etc. deposited from the walls/floors surfaces and removing the same to a distance n.exc 50m from site where directed all as directed by the Engineer-in-Charge. (Approx size of the sump is 3 metre x 3 metre x 3.5 metre)

Repair and servicing 1200 mm bore CI sluice valve including rubber gasket joints, nuts, bolts, etc and removing of sludge/greasing /replacement of gland packing, painting with one coat of synthetic enamel paint including testing complete all as directed by the Engineer-in-Charge.

Repair/ Maintenance, lifting & lowering of vertical turbine pump set of discharge capacity 225cum/hr any make and type along with vertical hollow shaft motor of 25HP, column pipe, top shaft, line shaft etc including disconnection of motor from electric line, Dismantling the turbine pump bowl assembly carefully with out damaging any parts of the pump and setting side in pump house for ascertaining the serviceability of existing Replacing parts, Dismantling and cleaning of complete bowl assembly items such as CI bowls, impeller, lock , bowl bush, suction and discharge case with GM bush including pump shaft, cleaning of all rotary and stationary parts of pump bowl assembly and making them for their satisfactory run complete, Re-assembling and lowering of turbine pump set along with re-assembling of all accessories and column pipe after cleaning manually duly painted with two coats of anti corrosive black paint on outer surface, including fixing of motor in existing position making all Electrical connections and adjustment of pump load etc and testing complete as directed by Engr-in-Charge at Jetty Pump room complete with all existing serviceable parts and replace the worn out unserviceable parts with new spares including S & F gasket, gland packing, and balancing of assembly others small nature of indispensable items as required for repairing at Jetty Pump room.

NOTE: - Any spares i.e. Impellers, bushes, lock nut and any other spares required for repairs/fixing/lowering of pump will be paid under respective items here in after. However the cost of fixing of above items or any minor machine works required during repairs is deemed to be included in the quoted rates of the item.

Supply only following spare parts of vertical turbine pump set discharge capacity 225 Cum/Hrs :- (Make of Pump: WPIL, Model No - 01210/2516)

Packing box bronze bearing

Gland complete

Pump Shaft (Stainless steel)

Pump shaft coupling (SS)

Sand Collar (Bronze) .

Seal ring

Lock collet

Suction case plain bearing (Bronze)

Bowl plain bearing (Bronze)

Bowl rubber bearing (Natural Rubber)

Flow ring (C.I)

Discharge case plain bearing (Bronze)

Discharge case (C.I) bush (C.I)

Set bolts for bowls (M16)

Set pin for column flange (M20)

Set bolt for Discharge Case (M16)

Line shaft (Stainless steel)

Shaft Sleeve (SS)

Water Protector (Rubber)

Rubber bearing for bearing retainer

Impeller stainless steel

Supply only pump spares for 25 HP vertical turbine pump, Capacity 225 cum / hour, 2 stage at 20 M head (Make of Pump : GRSE, Model No 4112)

Packing box bronze bearing

Gland complete

Pump Shaft (Stainless steel)

Pump shaft coupling (SS)

Sand Collar (Bronze)

Seal ring

Lock collet

Suction case plain bearing (Bronze)

Bowl plain bearing (Bronze)

Bowl rubber bearing (Natural Rubber)

Flow ring (C.I) .

Discharge case plain bearing (Bronze)

Discharge case (C.I) bush (C.I)

Set bolts for bowls (M16)

Set pin for column flange (M20)

Set bolt for Discharge Case (M16)

Line shaft (Stainless steel)

Shaft Sleeve (SS)

Water Protector (Rubber)

Rubber bearing for bearing retainer

Impeller stainless steel complete

S&F Bearing suitable for 25 HP vertical induction Motor complete all as specified and as directed. (Make: SKF, No 6310-2Z or equivalent model in NBC / TATA / NRB)

S&F Bearing suitable for 25 HP vertical induction Motor complete all as specified and as directed. (Make: SKF, No 6311 - 2Z or equivalent model in NBC / TATA / NRB)

S&F Thimbles (Lugs) of copper suitable for 10 sqmm single core copper conductor complete all as specified and as directed..

Repair / servicing of Float operated Cast Iron control valve with Plate settler extension rod and float complete all as directed by Engineer in charge.

Repair/servicing of 400 mm Cast Iron Mushroom valve, by dismantling the 3.2 Metre length shaft and taking out the complete valve manually by taking out from depth of 3.5 metre and changing its GM bush, nut & bolts as required and fixing at same position complete all as directed by Engineer-in-Charge

Repair and servicing of 200/250/300/450 mm bore CI non-return valve including replacement of rubber gasket joints, nuts, bolts etc including testing complete all as directed by the Engineer-in-Charge.

Repair and servicing of 200/250/300 mm bore CI sluice valve including replacement of rubber gasket joints, nuts, bolts etc and removing of sludge/greasing/ gland packing including testing complete all as directed by the Engineer-in-Charge.

Repair/servicing complete to 200mm bore cast iron sluice valve with iron wheel including replacement of brass spindle, old rubber gasket joints, nuts and bolts etc and removing of sludge/greasing /gland packing including testing complete all as specified and as directed.

Repair/ servicing complete to 250 mm to 300 bore CI sluice valve with iron wheel including replacement of brass spindle, rubber gasket joints, nuts, bolts etc and removing of sludge/greasing/ gland packing including testing complete all as directed

S&F in repairs FRP plain plates of size 1.8m x 1.8m x 6mm thick fixed to existing FRP angle to an angular position fixed in plate settler chamber with suitable hardware complete all as specified and directed by Engr-in- Charge.

M&L for fabrication of stainless Steel channel of dimension 3.76 Metre X 2.32 Metre in lower & upper parts in plate settler equal angle 75 X 75 MM, along with nut & bolts, fixing it after clearing the whole tank and clearing all the blocked pipes, strainer complete after fixing FRP Plate all as specified and directed by Engr-in-Charge. (Note: All Minor repairs i.e. welding, remetalling of pipes / strainer rate shall be deemed to be included in quoted rates)

Disconnection of motor 10 HP from the panel board and dismantling the motor, properly cleaning, heat varnishing complete and reconnection the same including replacement of rubber gasket and testing complete all as directed by Engineer in charge.

Disconnection of motor 25 HP from panel board and dismantling the motor, properly cleaning, heat varnishing complete and reconnection the same and replacement of rubber gasket including testing complete all as directed by Engineer in charge

Disconnection of motor 100 HP from panel board including removing rotor from starter and suitable heat varnish complete and reconnection the same and replacement of rubber gasket including testing complete all as directed by Engineer in charge at water gate (Make : Kirloskar, Model No - DB 100/26)

Dismantling and taking out pump set complete including 0.5 HP to 5 HP, 3 phase induction motor and pump (of any make from any installation) as directed by Engr-in-Charge, transporting to workshop and re-installation in same position after replacement of worn out spares and painting with one coat of synthetic enamelled paint to pump only including commissioning and testing on completion at water treatment plant complete all as directed by the Engr-in-Charge. (Note : Spares replaced, will be measured and paid separately as "Supply only" under respective items).

Dismantling and taking out pump set complete including 10 HP to 15 HP 3 phase induction motor and pump (of any make from any installation) as directed by Engr-in-Charge, transporting to workshop and re-installation in same position after replacement of worn out spares and painting with one coat of synthetic enamelled paint to pump only including commissioning and testing on completion at water treatment plant complete all as directed by the Engr-in-Charge. (Note : Spares replaced, will be measured and paid separately as "Supply only" under respective items)

Dismantling and taking out pump set complete including 25 HP to 100 HP 3 phase induction motor and pump (of any make from any installation) as directed by Engr-in-Charge, transporting to workshop and re-installation in same position after replacement of worn out spares and painting with one coat of synthetic enamelled paint to pump only including commissioning and testing on completion at water treatment plant etc complete all as directed by the Engr-in-Charge. (Note : Spares replaced, will be measured and paid separately as "Supply only" under respective items)

Supply only Bearing for Motor 20 - 25 HP induction motor. (Make: SKF, No 6315/C3 or equivalent model in NBC / TATA / NRB)

Supply only Bearing for Motor 100 HP induction motor. (Make: SKF, No 6310N or equivalent model in NBC / TATA / NRB)

Disconnecting of all electric connection from the panel board of induction motor of capacity 0.5 / 3HP of water treatment plant, taking out and transporting the pump to workshop, rewinding with suitable gauge of super enamelled pre-coated copper wire including replacement of bearing / bush etc, re-transporting to site, fixing in proper position and testing on completion complete all as directed by the Engr-in-Charge.

Disconnecting of all electric connection from the panel board of induction motor of capacity 10HP of water treatment plant, taking out and transporting the pump to workshop, rewinding with suitable gauge of super enamelled pre-coated copper wire including replacement of bearing / bush etc, re-transporting to site, fixing in proper position and testing on completion complete all as directed by the Engr-in-Charge.

Disconnecting of all electric connection from the panel board of induction motor of capacity 20HP, taking out and transporting the pump to workshop, rewinding with suitable gauge of super enamelled pre-coated copper wire including replacement of bearing / bush etc, re-transporting to site, fixing in proper position and testing on completion complete all as directed by the Engr-in-Charge.

Disconnecting of all electric connection from the panel board of induction motor of capacity 100HP at water gate Pump house, taking out and transporting the pump to workshop, rewinding with suitable gauge of super enamelled pre-coated copper wire including replacement of bearing / bush etc, re-transporting to site, fixing in proper position and testing on completion complete all as directed by the Engr-in-Charge.

S&F CI Impeller, suitable for 100 HP pump sets, as in repair complete all as specified and as directed. (Make : Kirloskar, Model No - DB 100/26)

S&F V belt, B-44 for floculator unit , as in repair complete all as specified and as directed. (Make : Dunlop/Fenner)

S&F V belt, B-48 for floculator unit , as in repair complete all as specified and as directed. (Make : Dunlop/Fenner)

S&F Gland-packing, suitable for 100 HP pump sets, as in repair complete all as specified and as directed.

S&F Gland-packing, suitable for 10 HP to 25 HP pump sets, as in repair complete all as specified and as directed.

S&F Rubber coupling (star) suitable for 100 HP Induction motor complete all as specified and as directed.

S&F Rubber coupling (round) suitable for 100 HP Induction motor complete all as specified and as directed.

Dismantling Air blower capacity 25 HP electric motor and re-fixing the same in position including re-metaling, 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.

S&F Air filter element of the air blower as in repair complete as directed by the Engineer-in-Charge.

S&F Three pole power contactor MNX-12 suitable for 415V, 50Hz as in repair all as directed. (Make : L&T, Cat No- CS 94109 or equivalent model in SCHNEIDER / C&S / BCH / HPL / INDO ASIAN / HAVELLS)

S&F Three pole power contactor MNX-25 suitable for 415V, 50Hz as in repair complete all specified and as directed. (Make : L&T, Cat No- CS 94110 or equivalent model in SCHNEIDER / C&S / BCH / HPL / INDO ASIAN / HAVELLS)

S&F Three pole power contactor MNX-32 suitable for 415V, 50Hz as in repair complete all specified and as directed. (Make : L&T, Cat No- CS 94111 or equivalent model in SCHNEIDER / C&S / BCH / HPL / INDO ASIAN / HAVELLS)

S&F Three pole power contactor MNX-50 suitable for 415V, 50Hz as in repair complete all specified and as directed. (Make : L&T, Cat No- CS 97075 or equivalent model in SCHNEIDER / C&S / BCH / HPL / INDO ASIAN / HAVELLS)

S&F Power contactor type MNX(2No+2Nc) (including auxiliary contact), as in repair complete all specified and as directed. (Make : L&T, Cat No- CS 94114 or equivalent model in SCHNEIDER / C&S / BCH / HPL / INDO ASIAN / HAVELLS)

S&F Three pole power contactor type ML-3 (2NO+2NC) rating 40 amp 415volts 50Hz as in repair complete all specified and as directed. (Make : L&T, Cat No: SS 90721 or equivalent model in SCHNEIDER / C&S / BCH / HPL / INDO ASIAN / HAVELLS)

S&F Three pole power contactor, 110A, AC3 rating, ML-6 (2NO+2NC) as in repair complete all specified and as directed. (Make : L&T, Cat No: SS 90921 or equivalent model in SCHNEIDER / C&S / BCH / HPL / INDO ASIAN / HAVELLS)

S&F Three pole power contactor, 110A, AC3 rating, (1NO+21C), 60KW as in repair complete all specified and as directed. (Make : BCH, Cat No: MCE15MN3KP5 or equivalent model in SCHNEIDER / C&S / L&T / HPL / INDO ASIAN / HAVELLS)

S&F CT Operated Overload relay individual mounting range 60 to 100 A with CTs as in repair complete all specified and as directed. (Make : BCH CT4MC305ANA3C or equivalent model in SCHNEIDER / C&S / L&T / HPL / INDO ASIAN / HAVELLS)

S&F Thermal Overload relay range 60 to 100 A with CTs as in repair complete all specified and as directed. (Make : L&T, Cat No: SS 94138OOKO or equivalent model in SCHNEIDER / C&S / BCH / HPL / INDO ASIAN / HAVELLS)

S&F Single phase preventer SPPR Type-SDZ5, SPPR+Timer of 415V,50Hz as in repair complete all specified and as directed. (Make : L&T, Cat No: XM81809OOOO or equivalent model in SCHNEIDER / C&S / BCH / HPL / INDO ASIAN / HAVELLS / MINILEC)

S&F Electronic Timer ,Type-ST-100,3-30 secs, suitable for fully automatic star delta motor starter as in repair complete all specified and as directed. (Make - L&T, Model No ST 80328OOOO model in SCHNEIDER / C&S / BCH / HPL / INDO ASIAN / HAVELLS)

S&F Pneumatic Timer suitable for 100 HP electric motor relay range up to 60sec complete all specified and as directed. (Make - BCH Cat No-KRTPN 10 or equivalent model in SCHNEIDER / C&S / BCH / HPL / INDO ASIAN / HAVELLS)

S&F Push button switch, as in repair complete all specified and as directed.

S&F Square type Ammeter Digital type (ranging from 0 to 400 Amps), as in repair complete all specified and as directed.

S&F Square type Ammeter Analog type (ranging from 0 to 200 Amps), as in repair complete all specified and as directed.

Supply and laying 25 mm thick synthetic Insulating mat, ISI marked of size 2m x 1m (LT) as in repair complete all specified and as directed.

Disconnecting and taking out old unserviceable MCB (of any size and capacity) from any location and re-fixing in position including connection with existing electrical lines after carrying out minor repair including testing on completion complete all as directed by the Engr - in - Charge. (NOTE: New MCB, if replaced, shall be measured seperately as Supply Only)

Disconnecting and taking out old unserviceable MCCB (of any size and capacity) from any location and re-fixing in position including connection with existing electrical lines after carrying out minor repair including testing on completion complete all as directed by the Engr - in - Charge. (NOTE: New MCCB, if replaced, shall be measured seperately as Supply Only)

Supply only MCCB of capacity 250 Amp Four pole,Type-DN2-250D,415V, breaking capacity 36 KA,50 HZ, complete all specified and as directed. (Make : L&T, Cat No-CM92151OOOOAG or equivalent model in other makes specified in tender)

Supply only MCCB of capacity 200 Amp Four pole,Type-DN1-250C,415V breaking capacity 25 KA,complete all specified and as directed. (Make : L&T, Cat No-CM90642OONO or equivalent model in other makes specified in tender)

Supply only MCCB of capacity 100 Amp Four pole,Type-DN1-250C,415V breaking capacity 25 KA complete all specified and as directed. (Make : L&T, Cat No-CM90642OOLO or equivalent model in other makes specified in tender)

Supply only MCCB of capacity 63 Amp Four pole, Type-DN0-100C,415Vbreaking capacity 25 KA complete all specified and as directed. (Make : L&T, Cat No-CM9171OOJOOG or equivalent model in other makes specified in tender)

M&L Cleaning of RCC cascade Aerator consisting of four tiers circular cascades, Dia of bottom cascade 4.2 m dia, cleaning by scrubbing thoroughly with wire brushes, bleaching powder and removing the sludge of all four circular cascades at a height of 8 metre from ground level complete all as directed by Engineer in charge.

M&L Cleaning of open RCC fixed on 2nd floor Raw water Channels of size 800 mm x 1100 mm x 22m long, removing the sludge and cleaning the channel by scrubbing thoroughly with wire brushes, bleaching powder complete all as directed by Engineer in charge.

M&L Cleaning of following tanks by dewatering all the tanks completely, removing sludge by using compressor/agitator and draining out all the muddy water, scrubbing, cleaning the inner surface with wire brushes manually by lowering down in tank with depth of 3.5/2.5metre, using bleaching powder complete all as directed by Engineer in charge.

Califoculator (size 6.3 m X 6.3 m X 3.0 m )

Flash Mixer (area 1.5 sqm X 2.5 metre depth)

Plate settler (size 5.4 M x 5.0 M ) with 118 Nos inclined FRP plates including slots for holding them in position .

M&L Cleaning of RCC OH tank ( size 15.0 X 8.0 X 1.8 M) at 10.0 M above filter beds by removing sludge, scrubbing, cleaning the inner surface with wire brushes, bleaching powder (10.0 Kg) complete all as specified and directed by Engr-in-Charge.

M&L Cleaning of filter bed (size 3.3 M x 4.5 M) twin bed 04 Nos , area of filter bed (29.7 sqm) of each unit chamber by taking out the mud deposited over the sand layers and removing mud from filter waste channel and deposited at a distance not exceeding 50 mtr complete all as specified and directed by Engineer-in-Charge.

S&F 200 mm bore CI Foot valve with gun metal working parts , heavy duty, ISI marked (IS 4038), flanged end including rubber gasket joints, nuts, bolts etc including testing as in repair complete all as specified and directed.

S&F 200 mm bore CI Butterfly valve lever operated type heavy duty, ISI marked (IS 13095), including rubber gasket joints, nuts, bolts etc including testing as in repair complete all as specified and as directed.

S&F 200 mm bore Cast Iron Sluice valve of Class PN-1.6, long body type, heavy duty, ISI marked (IS 14846) Bolted bonnet inside Screw Non Rising Stem, Renewable Seat, Solid West,Cu-Alloy Seats,Stem SS (IS6603), Pressure tested B.T.P.- 2.4 Mpa Hyd and S.T.P.- 1.6 Mpa Hyd, flanged end as per IS:1538 with iron wheel and SS spindle including rubber gasket joints, nuts, bolts etc as in repair complete all as specified and directed . (Make - Leader, Code No- CI043R or equivalent model in other makes specified in tender).

M&L for Earthing complete with galvanised steel earth plate electrode 60cmx60cmx6mm thick buried directly in ground (earth pit not less than 2.25 metres deep below ground level,connected to galvanised iron strip of size 32X6 mm as earthing lead by means of bolts, nuts, check nuts and washers protected by 40mm Dia (medium grade) GI tubing, funnel, wire mesh, 20mm bore GI tubing (light grade) watering pipe including concrete pit in PCC (1:3:6) type C-1, all as shown in Electric plate no.3 connected to earthing test point all as specified or indicated including testing on completion alongwith Pit Cover of Dimension 45X45X5 CM complete all as specified and as directed.

Disconnecting of all electric connection from the panel board of submersible pumping set of capacity 5HP, taking out and transporting the pump to workshop, rewinding with suitable gauge of super enamelled pre-coated copper wire including replacement of bearing / bush etc, re-transporting to site, fixing in proper position and testing on completion complete all as directed by the Engr-in-Charge.

Supply & Fixing in repairs expanded metal, cut to length, bent to shape required and trying with and including annealed mild steel wire not less than 2 mm dia or fixing with galvanised steel staples to steel members weight not less 4 kg/sqm,the rate includes the labour charges,boat charges and other T&P items,welding works included in the works for lowering/fixing the net in (hoogly river) jetty plant near water gate complete all as specified and as directed by Engr-in-Charge.

EAST COAST STANDARD PRODUCTS

Tirupati Buildcon Pvt. Ltd.

MARUTI ENTERPRISES

MAZUMDER ENTERPRISE

RAJ ENTERPRISE