Repair/ Maintenance of pump motors and connected works at AFS Amla

Amount

Material and labour for dismantling centrifugal pump set from the existing foundation after disconnecting the inlet/out let pipe connections, disconnecting the electric supply cables and transporting to repair work shop complete, servicing the pump set including replacement of unserviceable spare parts reassembling and re-fixing to its original position, making mechanical & electrical connections and testing pumping set complete all as specified and directed for the following:- Note: - (i) Spares to be replaced shall be measured and paid separately as supply only in respective items of BOQ. (ii) Rewinding/ Lathing shall be measured and paid separately in respective items of BOQ. (iii) In addition to above the rate quoted by contractor deemed to be includes of transportation, lifting of pump set and replacement of worn out minor parts other than the supply only items such as bushes, check nut etc., if any required for proper functioning of pump set.

Centrifugal pump set coupled with electric motor of capacity 1 HP 3 phase, 415 Volts 50 HZ. Make: Crompton/ Kirloskar

Centrifugal pump set coupled with electric motor of capacity 20 HP 3 phase, 415 Volts 50 HZ. Make: Crompton/ Kirloskar

Centrifugal pump set coupled with electric motor of capacity 35 HP 3 phase, 415 Volts 50 HZ. Make: Crompton/ Kirloskar

Centrifugal pump set coupled with electric motor of capacity 60 HP 3 phase, 415 Volts 50 HZ. Make: Crompton/ Kirloskar

Material and labour for rewinding the centrifugal pump set motor by providing high quality of class 'B' paper insulation inside the slots, and rewinding with super enamel copper wire of same size and gauge as per existing rapping up with high quality cotton tape and varnishing with super quality oil including drying upto desired temperature and desired time complete including taking old burnt out copper winding, insulation material and cleaning the slots complete all as specified and directed for the following capacity motor:-

1 HP 3 phase, 415 Volts 50 HZ

20 HP 3 Phase, 415 Volts 50 HZ

35 HP 3 Phase, 415 Volts 50 HZ

45 HP/ 50 HP, 3 Phase, 415 Volts 50 HZ

60 HP 3 Phase, 415 Volts 50 HZ

M&L for lathe machine work for pump repaired vide item no 1.01 to 1.04 here in before including necessary transportation if any complete all as directed.

M&L for lathe machine work for motor repaired vide item no 2.01 to 2.05 here in before including necessary transportation if any complete all as directed.

Supply only the following spares parts of centrifugal pump set suitable for replacing under item no 1.01 to 1.04 here in before: -

Impeller made of brass for 20 HP pump

Impeller made of brass for 35 HP pump

Impeller made of brass for 60 HP pump

Pump shaft made of stainless steel for 20 HP pump

Pump shaft made of stainless steel for 35 HP pump

Pump shaft made of stainless steel for 60 HP pump

Sleeve made of stainless steel for 20 HP pump

Sleeve made of stainless steel for 35 HP pump

Sleeve made of stainless steel for 60 HP pump

Bearing made of stainless steel for 20 HP pump

Bearing made of stainless steel for 35 HP pump

Bearing made of stainless steel for 60 HP pump

Shaft Lock

Gland Cap made of brass for 20 HP pump

Gland Cap made of brass for 35 HP pump

Gland Cap made of brass for 60 HP pump

Gland Cap bolts made of stainless steel

Coupling assembly with key for 20 HP pump

Coupling assembly with key for 35 HP pump

Coupling assembly with key for 60 HP pump

Bakelite electrical 6/3 pole terminal for 20 HP motor

Bakelite electrical 6/3 pole terminal for 35 HP motor

Bakelite electrical 6/3 pole terminal for 45 HP motor

Bakelite electrical 6/3 pole terminal for 60 HP motor

Fan Blade of required size

S & F PVC insulated copper conductor stranded type, 1100 volts grade of size 4 sqmm 3 core electric cable, including connecting to motor & starter with suitable thimble, laid in the conduit including dismantling old one complete all as specified and as directed.

S & F PVC insulated copper conductor stranded type, 1100 volts grade of size 16 sqmm 3 core electric cable, including connecting to motor & starter with suitable thimble, laid in the conduit including dismantling old one complete all as specified and as directed.

S & F PVC insulated copper conductor stranded type, 1100 volts grade of size 25 sqmm 3 core electric cable, including connecting to motor & starter with suitable thimble, laid in the conduit including dismantling old one complete all as specified and as directed.

Dismantling suction pipe and S & F in repairs suction pipe of size 100 mm dia medium grade GI tubing including necessary fitting such as bend, flange nut & bolts etc required and also making good disturbed surfaces to match the existing surface complete all as specified and directed

Dismantling suction pipe and S & F in repairs suction pipe of size 150 mm dia medium grade GI tubing including necessary fitting such as bend, flange nut & bolts etc required and also making good disturbed surfaces to match the existing surface complete all as specified and directed

M&L Taking out defective submersible (vertical) pump set of capacity upto 7.5 HP from borewell/shallow well for repair by lifting borewell pipe of any type and size from 40m to 70m depth well after disconnecting electrical and pipe line connection, complete by means of chain pully block or other T and P, transporting to store for safe custody or work shop for repair and reinstalling back to borewell, lowering after reconnecting electrical and pipe line connection, commissioning and testing on full load compete all as specified and directed. Note :- (i) Repairing of pump set only will be measured and paid separately in respective items of BOQ.

Material and labour for repair of 50 mm bore GI pipe taken out vide item No 11 above by cutting down and removing damaged threaded portion of pipe from both ends and making the deep threads on both ends of the pipe and supply and fix a socket heavy grade screwed and welded at one end complete all as specified and directed.

M&L for repairing of submersible (vertical) pump set 5 HP capacity by opening the pumpset and replacement of unserviceable parts, oiling/greasing the lubricating the parts and reassembling, painting of submersible pumpset with one coat of synthetic enamel paint after clearing and scrubbing complete including testing for satisfactory operation all as specified and directed. Note:- (i) The rewinding, Lathe work, replacement of unserviceable parts with new parts will be measured and paid separately under respective items of BOQ as supply only and labour element for fixing including greasing, overhauling and packing of pump set will be included in the unit rate quoted. (ii) Cost of other minor items / spares such as nut, bolts, washer, gaskets, paints which are not covered under Sch 'A' but required for effective functioning of the plant shall be deemed to included in quoted rate.

Material and labour for rewinding the submersible pump set motor 5 HP capacity using suitable size PVC insulated copper wires, replacing the worn out bushes, bearing etc., and reassembling pump and motor including testing for satisfactory operation complete all as specified and directed.

M&L for lathe machine work for pump repaired vide item no 13 here in before including necessary transportation if any complete all as directed.

M&L for lathe machine work for motor repaired vide item no 14 here in before including necessary transportation if any complete all as directed.

Supply only the following spares parts of submersible pump set suitable for replacing under item no 13 here in before: -

Top bowl housing assembly

"O" ring valve metal seat

Brass sleeve/distance piece

Key set

Stage Bowl

Thrust Bearing assembly

Strainer (with screwing etc.)

Brass bush (4 No's set)

Coupling assembly

Impeller made of stainless steel

Pump shaft

Diffuser

Three core flat multistranded copper cable 4 sq mm suitable for submersible pump.

Three core flat multistranded copper cable 6 sq mm suitable for submersible pump.

Cable guard made of stainless steel

Cheese head cap screw

Casing strip with threaded bolt end

Sand guard

Rotor shaft pump

CIR clip

Lower end of the shield of motor

Material and labour for taking out horizontal submersible pump set 5 HP capacity from static water tank and repairing by opening the pumpset and replacement of unserviceable parts, oiling/greasing the lubricating the parts and reassembling, painting of submersible pumpset with one coat of synthetic enamel paint after clearing and scrubbing complete including testing for satisfactory operation all as specified and directed. Note:- (i) The rewinding, Lathe work, replacement of unserviceable parts with new parts will be measured and paid separately under respective items of BOQ as supply only and labour element for fixing including greasing, overhauling and packing of pump set will be included in the unit rate quoted. (ii) Cost of other minor items / spares such as nut, bolts, washer, gaskets, paints which are not covered under Sch 'A' but required for effective functioning of the plant shall be deemed to included in quoted rate.

Material and labour for rewinding the horizontal submersible pump set motor 5 HP capacity using suitable size PVC insulated copper wires, replacing the worn out bushes, bearing etc., and reassembling pump and motor including testing for satisfactory operation complete all as specified and directed.

M&L for lathe machine work for pump repaired vide item no 18 here in before including necessary transportation if any complete all as directed.

M&L for lathe machine work for motor repaired vide item no 19 here in before including necessary transportation if any complete all as directed.

Supply only the following spares parts of horizontal submersible pump suitable for replacing under item no 18 here in before: -

Brass bush

Thrust Bearing

Impeller made of stainless steel

Supply and fix in repairs PVC air cock for air release dia15mm to be fixed on pump including dismantling old from the existing location all as specified and directed.

Material and labour for disconnecting and taking up defective vertical turbine pump set of capacity 45HP from the existing well and repairing the unserviceable pump & motor by replacing of unserviceable spare parts reassembling, including rewinding of motor and fixing to its original position, making mechanical connections and testing pumping set complete all as specified and directed. Make of pump – WPL, Make of motor - Jyoti Note: (i) Lathe work, Spares to be replaced shall be measured and paid separately as supply only in respective items of BOQ.

M&L for lathe machine work for motor repaired vide item no 24 here in before including necessary transportation if any complete all as directed.

M&L for lathe machine work for pump repaired vide item no 24 here in before including necessary transportation if any complete all as directed.

Supply only the following spares parts of vertical turbine pumpset suitable for replacing under item no 24 here in before: -

Impeller

Pump shaft

Sleeve

Impeller sleeve

Brass bush

Pipe connecting sleeve

Socket

Gland rope packing

Gland rope fitting

Steel ball of dia 10 mm

Shaft socket

Bearing

S & F in repairs pressure gauge, 100 mm size dial , 0-14kg rating fitted on delivery side of pump set , including all necessary items required like ball valve and connecting pipe & dismantling the old one complete all as specified and as directed.

S & F indicator lamp LED type, 230 Volts, AC (different colours for indicating R, Y, B phases) with holder incl dismanlting old one complete all as specified and as directed.

S & F in repairs Single phase preventer and connected to existing strater, suitable for DOL & stardelta starter for pumpset of capacity 03 HP to 60 HP.

M & L for In repairs electrical rubber chequred mat, size 2 m x 1 m x 19 mm complete all as specified and as directed.

M & L for replacing rubber coupling of coupling set of any pumpset at different pump house complete all as specified and as directed.

M& L preparation of old painted surface of pump installation by removing all dirt, dust, grease, oil etc and painting complete with two coats of synthetic enamel paint of approved colour over a coat of red-oxide primer on Pump set - 03 Nos including their sluice valves, NRV and delivery/suction pipe line & channel in FIlteration pump house all as specified & directed

S & F in repairs MCCB 125 Amps, 3 pole 415 V 50 KA suitable for motor back up protection in exisitng panel along with all connected accessories and arrangement including dismantling the old MCCB all as specified and directed.

S & F in repairs MCCB 100 Amps, 3 pole 415 V 50 KA suitable for motor back up protection in exisitng panel along with all connected accessories and arrangement including dismantling the old MCCB all as specified and directed.

S & F in repairs MCCB 160 Amps, 4 pole 415 V 50 KA thermal magnetic release with overload setting of 80-100% in existing panel along with all connected accessories including dismantling old MCCB all as specified and direted

S&F in repairs Flexible GI pipe with internal dia 25 mm with proper end accessories made of brass (end accessories include gland bolts,inner outer sockets etc.)

S&F in repairs power contactor, 3 pole, 110 amps complete all as specified and directed.

S&F in repairs Power contactors 3 pole, 85 amps complete all as specified and directed.

S&F in repairs Power contactors 3 pole, 55 amps complete all as specified and directed.

S&F in repairs Power contactors 3 pole, 25 amps complete all as specified and directed.

Supply and fixing in repairs, bi-metallic thermal overload relay type mounted on the contactor with current carrying capacity ranging from 66-110A complete all as specified and as directed.

Supply and fixing in repairs, bi-metallic thermal overload relay type mounted on the contactor with current carrying capacity ranging from 45-75A complete all as specified and as directed.

Supply and fixing in repairs, bi-metallic thermal overload relay type mounted on the contactor with current carrying capacity ranging from 9-15A complete all as specified and as directed.

Supply and fixing in repairs electronic timer ST-100 type ranging from 3 - 10 sec/ 12-120 sec

Supply and fixing in repairs CT with 5 VA burden of ratings 100/5A Class 1 including all connected accessories all as specified and directed

S & F in repairs MCB triple pole "C" series 6-32 amps in exisitng panels as specified and directed

Suppy and fix in repair DOL starter 5-7.5 HP.

M&L for painting of poles of height 8 m to10 m with two coats of aluminium paint including preparation of surfaces all as specified and as directed.

Supply & fix in repair thermoplastic Junction Box (make as per PS) IP 65 with metric knockouts for cable entry M 40/50, Box size 260 x 210 x 116 mm with connector and including MCB SP 6A with sealing ring, PVC cable glands and lock nut fixed on pole on pole/embeded in pole foundation all as specified and directed.

Supply Lay, testing & commission in repair of multistranded PVC copper Cable of size 1.5 sqmm 3 core from junction sintex box to street light fittings thourgh PVC conduit including all accessories complete all as directed.

Supply and fix in repair LED Street Light Luminaire 70/72 W comprises a pressure dicast housing and individual LEDs with secondary optics, toughened glass with frame suitably gasketed for IP 66 protection including all accessories like 3 core flexible copper cable and connector, all as specified and directed

M&L for Earthing complete with GI earth plate electrode 600x600cmx6mm thick and burried directly in ground (earth pit not less than 2.25 meters deep below ground level) with top edge of the plate not less than 1.5 meters below normal groundlevel, connected to GI earth plate with GI strip of size 25x4 mm by means of bolts, nuts check nuts and washers of galvanized iron or steel all as shown in electrical plate No. 3 connected to earthing test point complete, all as specified and indicated including testing on completion including excavation & earth work PCC pit (1:3:6) type C-1 in cement concrete & 40 mm thick precast RCC cover in (1:2;4) type B-1 reinforced with 8 mm dia MS round bar @ 75 c/c both ways with 02 Nos lifting handles of 12mm dia MS plain bar, GI pipe 40 mm dia light grade GI pipe for earth lead protection etc., and 20mm light grade pipe, watering funnel with wire mesh complete all as specified and as directed. Note: GI strip beyond 7.5 metres shall be measured and paid separately.

S&F earth continuity conductor as main earthing lead of GI strip of size 25 x 4mm fixed to wall or buried in ground or in pipe complete all as specified and directed.

M&L Testing, servicing, inspecting of solar water heater 500 LPD capacity flat plate collector heat exchanger type installed in air men / DSC billets or cook houses make it functional including replacement of defective nuts, bolts, clamps, other minor parts and spare parts complete at any height or position including one coat of painting for complete set all as specified and directed as Engineer in charge. Note: Spare parts will be measured and paid separately hereinafter, servicing will be carried out by authorised company technician of concerned make only

Supply only solar heat exchanger makeup water tank suitable for 500 LPD solar water heater.

Supply only distilled water for make up water tank.

Supply only electrical heating element with thermostat not less than 2 KW including required length of appropriate size of wire.

Supply only non return valve 25mm dia

Supply and fix in repairs CPVC pipes SDR 11 & Plain CPVC SDR 11 with outer dia 20 mm fittings on walls/ceiling or laying in floors for hot water supply from tank to water supply point at any height or position all as directed as Engineer in charge.

Supply and fix in repairs CPVC pipes SDR 11 & Plain CPVC SDR 11 with outer dia 25 mm fittings on walls/ceiling or laying in floors for hot water supply from tank to water supply point at any height or position all as directed as Engineer in charge.

Supply and fix in repairs hose pipe not less than 2 m length from panel to water tank and viceversa at any height or position all as directed as engineer in charge.

Taking down unserviceable stop cock S&F stop cock 15 mm dia bore fancy type chromium plated screwed down high pressure with crutch or butterfly handle screwed both ends for CPVC pipe of for union and fixed for hot water)

Taking down unserviceable ball valve, S&F CPVC ball valve suitable for 25 mm dia (outer dia) CPVC pipeincluding all connected accessories as directed

Supply only solar water geyser heat exchange tubes of measurement 2100x58 mm Make :Tata BP solar,Sudarshan solar

M&L brickwork wih old sub-class 'B' bricks with straight or curved on plan exc 6 m mean radius built in CM 1:6 complete all as specified except bricks.

M & L for rendering 15mm thick plaster in CM (1:4) on other than fair faces of brick work or stone masonry surfaces.

Demolition brickwork built in cement mortar or cement lime mortar including all quoins, arches, pillars, etc.,but excluding ashlar facings, dressed stonework and precast concrete articles including diposal of debris of premises complete all as directed.

Supply and fix in repair XLPE insulated, strip armoured heavy duty electric cable with aluminium conductor, 3.5 core, 1100 volts grade, with following cross-sectional area 35 sqmm 3.5 core

S & F in repairs DWC (double wall corrugated) high density poly ethylene (HDPE) pipe for laying of electric cable of 63 mm outer dia with IS 14930 (part 2) 2001 laid in trenches, wall, floor, pole including bends, sockets and other connected accessories complete all as specified and directed.

Excavation in trenches, not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for laying cables and getting out in hard/dense soil complete all as specified and directed.

Excavation in trench exceeding 1.5 metre but not exceeding 3 metre in depth and not exceding 1.5 metre in width and getting out in hard/dense soil all as specified and directed.

Returning filling in,including spreading, leveling watering and well ramming in layers not exceeding 25 cms thick as specified and directed by engineer incharge.

Removing excavated materials not exceeding 50 Mtr and depositing where directed at a level not exeeding 1.5 mtr above the starting point.

Dismantling steel poles/struts, any size including transporting to store and stacking complete all as directed.

Supply & Erection of Steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts & screws as specified ype 410 SP-31 (9.00 metres long) including two coat of aluminium paint over one coat of red oxide primer complete all as specified & directed .

M&L for PCC 1:4:8 type D-2 (using 40 mm graded stone aggregate) for earth pit including necessary formwork complete all as specified and as directed.

M&L for PCC 1:2:4 type 8-1 (using 20 mm graded stone aggregate) for earth pit cover including necessary formwork complete all as specified and as directed.

Taking down of faulty LT under ground cable of any size from trenches / pole / wall etc for detecting fult including repair and jointing at site including relaying at the same location complete all as specified and directed. Note: Excavation /earth work and cable jointing kit shall be measured and paid for separately under relevent item schedule.

Restringing & Stretching of LT OH lines ACSR conductor of any size including cleaning of insulators & aluminium wire for binding of conductor,cutting/trimming of tree branches on both sides of conductor all as directed

3 phase 3 wire system measured as single run

Dismentling of cross arms of MS channel or angle sections complete all as directed.

Dismantling of old ACSR Conductor and M&L for providing OH ACSR conductor of any size for jumper or on exiting pole incl stringing through poles, fixing in insulators, jumpers with polythene pipe, aluminium binding wire etc complete all as specified and directed.

M & L for Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size including painting with two coats of aluminium paint over a coat of red oxide primer complete all as specified and directed.

Supply and fix in repair vice type connectors consisting of two brass plates, and two steel bolts and nuts for 2 conductors of equal or unequal sizes, for non-tension connections 'including treatment of connector and ACSR conductor with conducting jelly for conductor size 4 to 7 mm dia all as specified and as directed.

S & F in repair Pin type porcelian vitreous brown or white insulator suitable for 1100 Volt working pressure of size 100 mm height, 65 mm dia including one galvanised mild steel spindle, two galvanised iron washer and one GI nut complete including dismantling existing old insulator from position complete all as specified and directed.

S & F in repair shackle type porcelian vitreous brown or white insulator suitable for 1100 Volt working pressure of size, 90 mm dia and 75mm height including GI strap of size of 31 X 3 mm insulator bolt of 12mm dia, nuts and washers for working pressure 1100 V complete incuding dismantling existing old insulator from position complete all as specified and directed.

Supply & laying GI Tube medium grade with all fitting (union, elbow, socket) , flanges,nut & bolts fixed to wall/Ceiling, laid on floor or as coloumn pipe of size 50mm all as specified and directed.

Supply & fixing in repairs long socket heavy grade for coloumn pipe of size 50mm complete all as specified and directed.

Supply only Chloroscope for measurement of chlorine level in water showing indication 0.1,0.2,0.5,1.0,1.5,2.0 & above including box type indicator showing indication along with two numbers test tube and reagent complete all as specified and directed

M&L for Repair of Electro Chlorination plant Repairing of chlorinator cell and Wiring of Power pack panel with PVC insulated FR grade multistranded copper conductor of existing size,Repairing & Cleaning and overhauling of electrolyser cell complete for its proper functioning, Scrubbing out old pain from outside and inside of solution tank and the panel box and then spray painting with one coat of redoxide and two coats of synthetic enamel paint for, hypochloride solution tank and for power pack body and greasing of wheels ensuring free movement complete all as directed.

Supply and fix the following Electro Chlorination plant materials during repairs of Electro Chlorination plant at various water supply installation including making copper cable connections with lugs, connectors, ferrule, glands of suitable size as per requirement etc complete all as directed.

Push button ON / OFF switch flush head

Rotary Switch 3 pole 4 way

Thermal Overload Relay MN type(4 to 6 amps) compaitable with MNX-9 contactors.

Contactor MNX 9 type with required NO/NC

Connector 3 way

Connector 4 way

Toggal switch

Fuse holder with fuse MakeL&T,Schneider,Siemens,indoasian

Diode

Rewindng of exhaust fan 150 mm sweep single phase with copper wire of appropriate guage

1000 V DC ,1 Micro farad capacitors with appropriate resistor

Ceramic boll

CPVC Ball Valve 50mm

HDPE pipe 50 mm bore of pressure rating 6kgf/sq cm

M& L preparation of old painted surface of pump installation by removing all dirt, dust, grease, oil etc and painting complete with two coats of synthetic enamel paint of approved colour over a coat of red-oxide primer on Pump set - 02 Nos including their sluice valves,NRV and delivery/suction pipe line channel in 'Site C' all as specified & directed

M& L preparation of old painted surface of pump installation by removing all dirt, dust, grease, oil etc and painting complete with two coats of synthetic enamel paint of approved colour over a coat of red-oxide primer in Pump set - 04 Nos including their sluice valves,NRV and delivery/suction pipe line channel in Malanjhiri pump house all as specified & directed

M& L preparation of old painted surface of pump installation by removing all dirt, dust, grease, oil etc and painting complete with two coats of synthetic enamel paint of approved colour over a coat of red-oxide primer in Pump set - 02 Nos including their sluice valves,NRV and delivery/suction pipe line channel in Kurdmurd pump house all as specified & directed

S & F in repairs single phase induction motor 120 watts 1000 rpm 6 pole face/ pad mounting suitable for fixing on frp lid alongwith all accessories including strirrer mounted on motor shaft for mixing granules complete all as specified and directed

M & L for lifting of non clog submersible pump set of upto capacity 5HP 3 Phase 415 V 50 Hz from sewage sump of depth from 4M to 7M by diconnecting the electrical connections, column pipes of various sizes, submersible cable, removing carefully and transportaion to workshop for repair and back and reinstallation after repair of pump set and testing all as specified complete all as directed by EIC.

M & L for repair of the non clog submersible pumpset , cleaning the pump by opening the opening or carrying out the repairs and replacement of unserviceable spares reassembling and connecting up with the electric motor all as specified and directed. Note: Replacement of spare parts will be measured and apid seperately

S & F in repairs automatic proportional chlorination dosing system consist of and custom cover (cylindrical container made up of Non metallic thermoplastic of capacity 100 ltrs) for power free automatic water sanitiser / conditionng treatment with proportional dosing arrangement comprises to hold chlorine tablet refill alongwith one complete set of refill tablet (i.e 13 Nos) & all necessay items to be fixed for connecting the syatem with existing pipeline. (i) The receptacle consists of following attachments:- (a) Water inlet regulator (b) Overflow vent (c) Water outlet regulator (for standalone gravity flow or for offline automated gravity flow) (d) Drain valve (e) Fluid level controller (f) Sludge level gauge (g) Station base assembly with station base buffer (h) Station hood assembly with multi cavity arrangement(13 nos) (j) Station holding assembly (ii) Custom cover consists of following attachments:- (a) Refill Cavity Lids(13 Nos) (b) In bulit level switch & processor (c) 0.5 inch processor outlet & inlet connections (d) Flexible connecting duct Make:- Declibac model ADS-Pro or equivalent.

Supply only chlorine tablets conatained in plastic cylindrical sealed disposable sanitiser refill for disinfection of drinking water with arrangement for controlled relaease of disinfectant in water, suitable for operation for item No102 dosing system complete all as directed Make:- Declibac model stequa 411 refill or equivalent.

Material and labour for cleaning of underground static water tank (SWT) of capacity 20,000-25,000 gallon after scrapping out the scales/deposits from all inner surfaces of tank thoroughly, washing with bleaching powder solution (mixed @ 0.5 Kg of bleaching powder of chlorine content 30% per 1000 liters of water), bailing out the settled materials completely away from the site within 100 metres distance, cleaning the tank with clean water and finally sterilizing the tank as mentioned in notes below and writing “TANK CLEANED ON…..”(date), “DUE DATE ON…..(date) with 10 cm size white letters on black back ground by engaging skilled artist using best quality synthetic enamel paint all as specified and directed by Engr-in-Charge:- Note:- The contractor should follow the following procedure in addition to above which demeed to be included in the contractor quoted rate. (a) Mechanized removal of all dirty water by using high capacity submersible pumps. (b) Removal of sludge by using vaccum operated pump (c) Cleaning of walls, ceiling and ground by high pressure rotary jet of 12 Kg/sqcm pressure. (d) Removal of all dirt particles by industrial wet vaccum cleaner leaving the tank physically cleaned as per Engr-in- Charge satisfaction. (e) Sterilization of tank by agents eco-friendly, bio-degradable and highly effective against all pathogens, or approved chemical. (f) Sterilization of tank atmosphere by industrial UV radiator leaving the tank complete sterilized (g) All the required Tools and plants, lubricants/oils and materials will be supplied by the contractor during the work.

Note:- (i) The amount against Schedule of Credit mentioned in tender document shall be deducted from the total amount quoted against Sch 'A' while deriving the Contarct Sum for Acceptance.

M/s Vinod Yadav