REPAIR AND MAINT OF STP AND CONNECTED WORK AND REPLACEMENT OF LIGHTING ARRESTER AT VARIOUS LOCATIONS AND FIRE FIGHTING EQUIPMENTS AT MAP AREA AT SEVOKE STN UNDER GE SEVOKE ROAD

Amount

M & L for dismantling defective sewage non clog type sewage pump set of 10/7.5 HP capacity testing on site and cutting unsv copper winding in front of MES Rep opening suction, delivery pipe line connections,coupling nut bolts and taking out the pump set and transporting to the contractors workshop for repair, machine work and transporting to the site, refixing, assembling coupling with motor,lowering down and connecting suction and delivery line and testing on full load for 04 hours including providing gland packing and making the pump leak proof incl any other minor work as required at site and directed by Engineer-in-Charge. Note :-i) Spare parts replaced shall be measured and paid separately as supply only under respective item of schedule ii) Transportation charges for the motor to wksp & back are deemed to be included in rates quoted, no extra payment will be made on this account. iii) Pump set issued for repair must be returned & installed duly repaired within seven days otherwise Rs 500 per day per pump will deducted from the bill as penalty. iv) Minor items like nut/bolts, bearing grease, packing gaskets of required size to be taken in consideration while quoting the rates. No extra payment will be made on this account.

Supply following only spare parts for submersible sewage pump set of capacity 10HP

Impeller sets for one pump

Mechanical seal set

Oil Seal

Rubber gasket sealing

M & L for rewinding burnt coils of Induction Motor stator of following capacity with super enamelled copper winding wire as per existing size and guage to achieve the required /specified RPM including taking out old unserviceable winding ,cleaning/ repairing damaged slots , complete all as specified and as directed. Note :- i) Motor issued for rewinding must be returned & installed duly repaired within seven days. (ii) Contractor will arrange testing of motor on full load for contineous eight hours. Contractor or his rep will be present on the site during the testing period. v) Minor items like connection plate, copper lugs for cable,connection plate cover to be considered while quoting the rates. No extra payment will be made on this account.

Supply only flat submersible cable 3 core multi stranded copper conductor of size 6 sqmm.ISI marked complete all as specified and as directed.

Supply only Steel wire rope, PVC insulated of size 10 mm dia of suitable size/ length and fixed with clamps, nuts & bolts and washers etc for holding column pipes / GI pipes of submersible pump set complete all as directed by Engr-in-Charge.

Labour only for inspection of fault in panel,starter, motors and replacement of unsv electronic parts including taking down and testing all as directed by Engr-in -Charge. (Note: 1.spare parts of panel, starter will be paid separately under respective items 2. All T& P and TPT used is deemed to be included in item rate)

Supply only Power contactor suitable for 5HP of existing make and capacity

Supply only Power contactor suitable for 7.5/10 HP of existing make and capacity

Supply only Single phase preventor suitable for 5 HP of existing make and capacity

Supply only Single phase preventor suitable for 7.5/10 HP of existing make and capacity

Supply only Digital panel volt Meter 3 phase Flush Mounting 96x96mm, Accuracy Class-I, input voltage measurement range 17-520V AC (P-P)

Supply only Digital panel ammeter, 3 phase 5A, Flush Mounting 96x96mm, Accuracy Class-I, CT/PT Site programmable

Supply only Indicator lamp 3 phase

Supply only Electronic Timer 160-500V ,for 3-30sec

Supply only Over load relay suitable for 5 HP of existing make and capacity

Supply only Over load relay suitable for 7.5/10 HP of existing make and capacity

Supply only ON OFF push button

Supply only dry run protection relay

Excavation in trenches n.exc 1.5m wide and n.exc 1.5m in depth for laying of UG cable/pipe in soft loose soil complete all as specified and as directed.

Returning, filling in including spreading, leveling, watering and well ramming in layers n.exc 25cm thick complete all as specified and as directed.

Removing of excavated material n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point complete all as specified and as directed.

M&L for providing sand cushioning for protection of UG cable in trenches with dry (coarse) sand approved quality including filling ,spreading and punning down to desired thickness complete all as specified and as directed.

Supply and laying fly ash brick as cable protection all as specified and directed.

M& L for laying LT underground Cable, including takingdown existing u/s XLPE insulated, heavy duty armoured sheathed 1100 volts grade 16 Sq mm, 4 core, with aluminium conductor, ISI marked as per IS : 7098(Part-1) complete incl making necessery cable end connection with lugs and tape with colour code all as specified and as directed.

All as per item No 12 above but 10sqmm, 2 core all as specified.

All as per item No 12 above but 120sqmm, 3.5 core all as specified.

S & F cable jointing kit for 1.1 KV grade for straight through joint complete with jointing material heat shrink type and accessories suitable for 3.5/4 core XLPE armoured aluminium conductor cable of size 10 to 35Sqmm, indoor/outdoor type including taking out & relaying damaged cable after repair complete all as specified and as directed.(Excavation and connected items will nbe measured and paid separately.)

All as per item No 15 above but size 70-150 sqmm 4 core all as specified and as directed.

Supply and fixing GI pipe 40 mm medium grade for UG cable protection with all fitting fixed to pole or laid in trenches or laid in floor/rood all as directed.

Taking down existing unserviceable/Faulty LT UG cable 1100V of any size from existing location and relaying the same after necessary repair work all as specified and as directed (Note: Items if required for repair and excavation works will be measured and paid separately under relevant items)

Relaying of old recovered cable cover or brick of any size in trenches all as directed by Engr-in-Charge

Supply and fixing cable junction box with terminals having dressed with four colour Tap, having protection "weather proof" for outside installation with metric knockout entry for cable of size 16 sqmm 4 core and size 155x210x92mm with terminals and provision of one MCB SP 6A complete with all pole brackets and fixing arrangements all as specified and as directed.

M&L for water proof, 3core PVC insulated and PVC sheathed, copper conductor cable of size 1.5 sqmm, 1100 Volts grade for electrical connection of street light fittings with MCB SP in junction box, complete all as specified and directed.

M&L MCCB 4 Pole, including taking down old u/s having current rating 63-100 Amp, thermal magnetic adjustable 70%-100% breaking capacity 16 KA at 415V,50Hz, Frame size/type CH along with spider links complete all as specified and as directed

Supply , installation , testing and commissioning of chlorine feed high pressure dozing pump set with accessories having minimum flow rate of 25 LPH, minimum discharge pressure 15 Kgs/cm2 and liquid chlorine dozing system consisting of atleast 100 ltr FRP tank with accessories and fitted with automatic mixer (non manual) including making connection in main line and fixing arrangement including testing for maintaining 2-3 PPM including taking out u/s dozing pump and remove from site complete all as specified and directed. Note: (i) Unsv dozing pump shall be deposited in MES store yard of AGE E/M Sevoke Road.

M & L for blocking of incoming sewage water in sump,dewatering desliting / taking out accumulated sludge, Silt, Mud etc. from sewage collection sump and connected channels including scrapping down and cleaning internal surface of walls, Floors, Roofs, Mechanical Parts and cleaning blockage of wash out channels, pipes Drainage system etc. and removing the same to a distance not exc. 50 Metre and reopening of blockage of sump complete all as specified and as directed.

M & L for cleaning of Equalizing tank /grit chamber/ oil grease chamber/stilling chamber of Sewage Water in the tank and Removing of settle down Sewage sludge cum mud/De-Silting etc all as required at site and directed by the Engineer-in-Charge for Sewage tank as per existing size) . Note: The rate quoated by the tenderer is deemed to be included in the unit rate of the following as mentioned in Srl item 26.01, 26.02 & 26.03.

Diesel/ electric Driven Pump Set of appropriate capacity with operators including necessary POL required at site for De- Watering of Sewage septic water including PVC heavy duty flexible hose pipe for suction and delivery purposes.

Lorry/Tractor mounted septic storage tank of appropriate capacity not less than 3 KL should be used for disposing off the same to the location where approved

Necessary Oxygen Mask, Gloves, Gum Boot and all other safety aspects to be observed including necessary Phawda, Steel Bucket, Manila rope etc. required at site and all as directed by the Engineer-in-Charge.

M & L for dewatering, desliting / Taking out accumulated sludge, Silt, Mud etc. from FAB Reactor,tube settler tank, TWT and connected channels including scrapping down and cleaning internal surface of walls, Floors, Roofs, Mechanical Parts and cleaning blockage of wash out channels, pipes Drainage system etc. and removing the same to a distance not exc. 50 Metre complete all as specified and as directed. Note: The rate quoated by the tenderer is deemed to be included in the unit rate of the following as mentioned in Srl item 27.01, 27.02 & 27.03.

Diesel/ electric Driven Pump Set of appropriate capacity with operators including necessary POL required at site for De- Watering of Sewage septic water including PVC heavy duty flexible hose pipe for suction and delivery purposes.

Lorry/Tractor mounted septic storage tank of appropriate capacity not less than 3 KL should be used for disposing off the same to the location where approved

Necessary Oxygen Mask, Gloves, Gum Boot and all other safety aspects to be observed including necessary Phawda, Steel Bucket, Manila rope etc. required at site and all as directed by the Engineer-in-Charge.

M & L for blocking of incoming sewage water in sump,dewatering desliting / taking out accumulated sludge, Silt, Mud etc. from sewage collection sump and connected channels including scrapping down and cleaning internal surface of walls, Floors, Roofs, Mechanical Parts and cleaning blockage of wash out channels, pipes Drainage system capacity of size etc. and removing the same to a distance not exc. 50 Metre and reopening of blockage of sump complete all as specified and as directed. Note: The rate quoated by the tenderer is deemed to be included in the unit rate of the following as mentioned in Srl item 28.01, 28.02 & 28.03.

Diesel/ electric Driven Pump Set of appropriate capacity with operators including necessary POL required at site for De- Watering of Sewage septic water including PVC heavy duty flexible hose pipe for suction and delivery purposes.

Lorry/Tractor mounted septic storage tank of appropriate capacity not less than 3 KL should be used for disposing off the same to the location where approved

Necessary Oxygen Mask, Gloves, Gum Boot and all other safety aspects to be observed including necessary Phawda, Steel Bucket, Manila rope etc. required at site and all as directed by the Engineer-in-Charge.

Removal of MBBR media from MBBR tank, Tube settler media from tube settler tank, Filter media for DMF and ACF filters and reloading the same after cleaning and new media reloading complete all as specified and directed by Engineer-in- Charge.

Supply and pouring Bio media made of plastic and corrugated shape having surface area 260 sqm/cum in MBBR as directed by Engr-in-charge. Make: MM Aqua, Bharat, SIMA

Material for replacement of quartz silica sand 32-64 grade complete all as specified and directed by Engr-in-charge.

Material for replacement of quartz silica sand 16-32 grade complete all as specified and directed by Engr-in-charge.

Material for replacement of quartz silica sand 8-16 grade complete all as specified and directed by Engr-in-charge.

Material for replacement of quartz silica sand 4-8 grade complete all as specified and directed by Engr-in-charge.

Material for replacement of activated carbon complete all as specified and directed by Engr-in-charge.

M & L for painting with two coat of black bituminous paint internal surface of ACF /DMF complete all as specified and as directed

M & L for painting with two coat of silver colour paint external surface of ACF/DMF incl one coat of red oxide after scapping old paint complete all as specified and as directed

Material & Labour for painting to exposed CI/GI/MS pipe lines of header/suction/delivery of pumps any type/make/size including sluice valves, fittings and non return valves at water supply installations as per specified colour code after cleaning and scraping out old paint including writing/marking complete all as specified and directed by Engineer-in-charge

S & F as in repairs Dry run protection relay with detection of single phase preventor,VI meter(current based), 3 Phase Motor Starter or as per existing size complete all as specified and as directed

Supply, laying , jointing, welding & testing MS pipe ( Heavy duty Class 'c') including fitting as required of following sizes laid in treches or laying oe floor for connecting to various STP accessories and to connect outgoing water main including taking down the unserviceable pipe all as directed by Engr-in-charge. Note:- MS flange and flange joint complete with jointing material shall deemed to be included in the unit rate of this item

100 mm bore

80 mm bore

50 mm bore

Material and labour for CI butterfly valve of following sizes, stainless steel disc as per IS 13095 class PN-1.0 complete with nuts, bolts, washer and rubber gasket including taking out old unserviceable butterfly valve complete all as specified and directed by Engr-in-charge.

25 mm bore

80 mm bore

100 mm bore

M&L for servicing of air compressor coupled with blower motor 30 HP capacity Installed at Sewage treatment plant including necessary arrangement to transporting to workshop fro re-grinding of shaft , oiling ,greasing etc and necessary replacement of wornout bolts ,nuts ,washers, silencer, belt drivers, pressure guage, air-filter, bearings,rings etc . Re-assembling the compressure with blower motor , commissioning and testing to the entire satisfaction of Engineer - in - charge .

Supply only compressure oil all as specified and directed by Engineer - in- charge .

M&L for replacement of MS Shaft of the electric motor of 30 HP 440 Volts in repairs complete all as directed.

M & L for dismantling of 30 HP motor,transporting to workshop and rewinding with super enamelled wire of existing guage size, varnishing, heating and refixing motor on its location including testing for 06 hrs continuous run complete all as specified and as directed

M&L for servicing of 3 Phase 415 Volts 1440 RPM Centrifuge Motor coupled with NC Horizontal Multi staging Pumping Set as following: (a) Taking out Motor from its Position by decoupling from Pump and disconnecting all cable connections, Heating & varnishing to stator with super quality varnish Reassembeling the motor, greasing the bearing with bearing grease ,Reinstall the Motor at its existing Position , couple with the Pump connecting all cable connections and testing on completion complete all as specified by Engineer-in- Charge. b). Taking out Pump from its Position by decoupling from Motor and disconnecting , degreasing bearing and display all the parts without damaging any portion for inspection of Engineer-in- Charge to ascertain the serviceability of existing parts, Replacement of Gasket set and gland packing rope,greasing the bearing with bearing grease ,Reassembeling the Pump complete with all existing serviceable parts, Reinstall the Pump at its existing Position , couple with the Motor and connecting all suction delivery water connections and testing on completion complete all as specified by Engineer-in- Charge.

Surface dressing in hard/dense soil,not exceeding 15cm deep for cleaning the area by cutting the unwanted bushes/vegetation growth in and around the area of installation/around the valve pit chamber/along the pipeline routes if reqd etc all as specified and directed by Engr-in-charge.

M & L for Scraping old paint of Electric Panel and Painting with two coats of synthetic enameal paint over a coat of red oxide primer including disconnecting electric connection and re-wiring without any damage of existing parts as directed by Engnr-in-Charge complete as all specified and as directed.

S & F in repair outer cover of decanter installed at MAP STP plant of existing size and dimensions including testing of decanter complete all as specified and as directed.

M&L for cement concrete 1:3:6 type C-2 (40mm graded aggregate) as in foundation and bed concrete complete all as specified and as directed

Supply and mixing of Sodium hypochloride having 10% chlorine content.

Supply and mixing of Dewatering Poly Electrolite 100 % Purity.

Testing of following parameters in discharge water sample obtained from sewage treatment plant through authorised govt. agency as and when directed by Engr-in-Charge :- (i) PH (ii) TSS (iii) BOD (iv) COD (v) Residual Chlorine (vi) Coliform. (Note : Above six tests at one time shall be measured as one Job)

Supply & install test point terminal made out of GI strips 32mm x 6mm with GI nuts & bolts mounted on busbar insulators (02 Nos) fixed on wall complete all as specified and as directed.

M&L for air termination single pointed aluminium rod 12mm dia and 300 mm long all as specified and as directed.

M&L aluminium strip 25x3 mm with saddles and fixing screws etc for roof conductors and down conductors above ground complete all as specified and directed.

M&L for porceiline insulator suitable for fixing earthing strip to the wall/floor etc complete all as specified and directed.

S&F galvanised iron strip 32 x 6 mm burried in ground for interconnection of earthing complete all as specified and directed.

M & L for earthing complete with galvanized steel pipe electrode 40mm bore , medium grade, 2.5 meters length, buried directly and preferably vertically in ground with top edge not less than 1.25 meters below ground level connected with earthing lead galvanized iron strip of size 25x5 mm connected to galvanized earth pipe by means of bolts, nuts, checknuts and washer of galvanized iron including PCC (1:2:4) type B1 precast RCC cover slab with suitable handle made of 6mm round bar, including necessary excavation and earth work in any type of soil, 20mm dia medium grade galvanized steel tube for watering with one end fix with cast iron funnel and wire-mesh , with protection pipe of 32 mm dia light grade galvanized steel tubing upto 7.5 meters length for drawing earthlead including common salt, charcol , bentonite in alternate layers etc, complete all as shown in EP number 2 of SSR part-1 including testing on completion and including taking down old u/s earthing & testing complete all as specified and as directed.

S & F in repair stainless steel 2 way Fire Brigade Inlet connection ISI marked with inbuilt Check Valve including taking down and removed from site complete all as specified and as directed.

S & F in repair stainless steel 63 mm bore Heavy Duty Single Headed Fire Hydrant Landing valve As per IS:5290 type 'A' ISI marked with ABS Blank cap including taking down unserviceablve valve and removing from site complete all as specified and as directed.

S & F in repair Hose reinforced rubber lined fire Pipe of Size 63 mm bore ( 15 Mtr Length ) With Both Side SS coupling ISI marked Male & Female connection type including taking down complete all as specified and as directed.

S & F in repair Branch Pipe with SS Nozzle as per IS 903 ISI marked including taking and removing from site down complete all as specified and as directed.

S & F in repair of Hose box made of 18 gange MS sheet 800 mm x 600mm x 250 mm with double door with 4 mm thick glasses and door fram made of 16 gauge MS sheet painted fire red out side and brilliant white inside yard complete including taking out old unservicebale Hose box and removing from site compelte all on specified and directed.

S & F in repair Hose reel Drum ( Wall Mounted) swinging type as per IS : 884 including Hose pipe Length 30 Mtr Long of Size:- 20 mm bore thermo plastic hose as per IS 12585, ISI marked with PVC ¾ “ Shutoff Nozzle (Hydraulically Crimped) including taking down and removing from site complete all as specified and as directed.

S & F in repair PVC Shut off Nozzle Size 20 mm bore ISI marked including taking down complete all as specified and as directed and removing from site.

S & F in repair Hose Clamp including taking down and removing from site complete all as specified and as directed.

S & F in repair 100mm Dual Plate Check Valve :- Cast Iron Body , D.I. Doors ,Nitrile /EPDM Seat ,Stainless Steel Shaft and springs P.N. 1.6 including taking down unserviceable and removing from site complete all as specified and as directed.

Supply & Refilling of Carbon di Oxide Fire Extinguisher 4.5 Kg each complete all as specified and as directed.

Supply & Refilling of ABC Powder Fire Extinguisher 6 Kg Each complete all as specified and as directed.

Supply & Refilling of D-Fire Mechanical Foam Extinguisher 9 Ltr capacity each complete all as specified and as directed.

Supply & Refilling of Watermist base Fire Extinguisher 9 Ltr capacity each complete all as specified and as directed.

Supply only following Items:

Fire Extinguisher Hose Pipe ABC Type

Fire Extinguisher Hose Pipe CO2 Type

valve kit for Fire ExtinguisherABC Type

Fire Extinguisher valve for foam type

Fire Extinguisher valve for Water type

Pressure Meter

Hanging Clip ( Hooke ) for Fire Extinguisher

Carbon di Oxide Fire Extinguisher 4.5 Kg each

ABC Powder Fire Extinguisher 6 Kg Each

D-Fire Mechanical Foam Extinguisher 9 Ltr capacity each

Watermist base Fire Extinguisher 9 Ltr capacity each

Labour only for Control Panel Fault Detection & Rectification by changing Necessary defective Components along with necessary copper wire, Lugs, Terminal etc. including testing complete all as specified and as directed. Note: Spare parts will be measured and paid separately under approprite item

Supply only following Items:

3 Pole 32 A Power Contactor

Thermal Overload Relay ,Relay Range 14-23 A

Set of 3 Phase Indicating Lamps (Red Yellow & Blue )

Push Button Assembly with auxiliary contact Block Start & Stop

63 Amp TPN MCB 10 KA

Single Phase Preventer

Danfoss Make KP35 Pressure Switch

Ball Valve 15 mm

PVC Insulated & PVC Shethed Multi core bright Annealed bare Copper Conductor flexible Round Cables Size 1 Sq mm 2 core FRLSH

Servicing of motor pump set by disassembling, (i)Motor Front over and back cover part by part dismantling, Internal Coil Heat Varnish, Insulation Testing & refixing. (ii) Pump Part by part Dismantling, ThroughServicing, replacement of bearing & Gland Packing /Mechanical seal, re assembly with proper alignment complete all as specified and as directed.

M & L for painting of motor pump set complete all as specified and as directed

Supply, laying, jointing & testing MS tubing heavy grade 100mm bore with all fittings such as bends, elbow, tee, socket, reducers, unions etc as required at site laid in trenches or fixing complete with clips, wall hooks etc. complete all as specified and directed.

S&F water level controller with WLC probes and connected wiring for upper and lower water limit in sumpwell including testing complete all as specified and directed.

M&L for Road boring for 40mm pipe under Road/PCC for cable passing through pipe complete all as specified and directed. Note : Connected items like pipe shall be measured and paid separetely)

M&L for taking out sludge, muddy sand from sewage bed, cleaning of sand and rinsing it properly and refilling to bed complete all as specified and directed.

M&L for refilling fresh sand for topping up sewage bed complete all as specified and directed.

M/S BHARAT CONSTRUCTION

M/S AJIT GARAGE

M/S HARMANS

SRI SURAJIT SENGUPTA

M/S S.B. CONSTRUCTION

Biswas Brothers Co

RAJIV DEY SARKER