REPAIR / MAINT OF VT / SUBMERSIBLE PUMP SETS, SEWAGE INSTALLATION, IRP AND ALLIED WORKS AT PH-I AREA UNDER GE PANAGARH

Amount

Cleaning of RCC/PS/GRP Over Head tank 4,50,000 lts capacity (i.e 1,00,000 gallons) tanks at Pump House No 22 'Officers enclave PCC, Pump House No 7 PCC, Police Line PCC, SBI Line Pump House PCC. (tank hight 21 mtr) by Hi-Tech system using High Pressure jet Pump having putting minimum pressure of 150 Bar to clean all sludge on walls, floors, treating with Hydrogen peroxide and applying ultra violet rays to make the tank bacteria free(by using tanclean chemical) of the following capacity tanks complete all as specified and directed. Note: (i) :- Rate are deemed for writing work i.e. in/out/overflow/drain on pipeline & arrow mark for direction in red/white colour,tank clean on (date), (month) and (year), font size should be 30 cms. (ii) The item rate include the repair to tank for any leakage after cleaning of tank and apply one coat of lime wash. (iii) Payment shall be made to contractor after issuing completion report of each tank by Engr-in-charge on his satisfaction.

All as per Item No. 1.00 here-in-before but 10000 ltrs to 25000 ltrs capacity tanks at Pump House No-10 , DAD Pump house, complete all as specified and directed.

All as per Item No. 1.00 here-in-before but 50000 Ltrs capacity Masonary Tank / PS tank / GRP tank at Pump House No NCC Camp (1 x 50000 Ltrs)PS, PH No- 18 PS, GRP Tank (1x50000 Ltrs), Karen Line PH GRP Tank(1x50000 Ltrs) (Tank height 12 mtrs), complete all as specified and directed.

Cleaning of UG Reservoir (Water) cylindrical type by Hi-Tech system using High Pressure jet Pump having putting minimum pressure of 150 Bar to clean all sludge on walls, floors, treating with Hydrogen peroxide and applying ultra violet rays to make the tank bacteria free(by using tanclean chemical) of the following capacity tanks complete and taking out of the tank all the sludge and muddy water all as specified and directed. Note: (i) :- Rate are deemed for writing work i.e. Sump clean on (date), (month) and (year), font size should be 60 cms. (ii) The item rate include the repair to sump for any leakage after cleaning of sump and apply of one coat of limewash. (iii) Rate also included cleaning of vegitation 3mtr area surround the tank. (iii) Payment shall be made to contractor after issuing completion report of each tank by Engr-in-charge on his satisfaction.

20,000 Ltrs tank Capacity

30,000 Ltrs tank Capacity

Opening completely pressure filter & oxidation chamber of capacity upto 8000 GPH to 13500 GPH and taking out existing filter media (sand, gravells) stainers and nozzles, removing and depositing filter media to a distance not exceeding 50 m for reuse at site and strainer and nozzles to MES stores yard including necessary repair/welding to make the pressure filter vessels complete leak proof for improving the strength and finally reassembling the pressure filter including filling of new strainer, gravels & sand in existing position duly cleaned replacing worn out gasket and nut bolts and washers complete all as directed. Notes:- (i) Supply & filling / fixing of Nozzles, strainers, gravels shall be measured and paid seperatley under relevant items. (ii) The rate for repairing of the foundation/floor will be paid under relevant items. (iii) The rate includes for changing of all the connecting pipes of 150 mm diameter (flanged) of any shape as per the existing orientation of pipes for oxidation chamber and filteration chamber.The main pumping line will be connected temporarily for supplying of water till the iron plant gets repaired and refixed for reuse at site. (iv) Rate are deemed for writing work i.e. Sump clean on (date), (month) and (year), font size should be 60 cms.

Prepration of old painted steel/iron surfaces of pressure filter & oxidation chamber by scrapping and cleaning of External and internal surfaces complete and applying two coats of black bituminious anti corrosive paint to outside internal surface suitable for drinking water friendly and Navy blue solvent free epoxy paint (no organic solvent) syntheic enalmel paint using spray technique on outer surface marking the date of cleaning on the body complete all as specified and directed Note : arrow marking for Back wash, top wash & supply direction proper with enameled paint, complete all as specified and directed.

S&F of PVC push type/threaded type strainer suitable for filteration plant complete all as specified and directed.

Supply & filling special coarse sand passing through 3.125 x 1.56 mm mesh suitable for use in filteration plant complete all as specified

Supply & filling special coarse sand passing through 1.6 x 3.2 mm mesh suitable for use in filteration plant complete all as specified

Supply & filling new washed, cleaned, dust free, gravel of grading 25 mm to 20 mm. graded filter media suitable for use in filteration plant complete all as directed

Supply & filling new washed, cleaned, dust free, gravel of grading 20 mm to 12 mm. graded filter media suitable for use in filteration plant complete all as directed.

Supply & filling new washed, cleaned, dust free, gravel of grading 12 mm to 06 mm. graded filter media suitable for use in filteration plant complete all as directed.

Supply & filling new washed, cleaned, dust free, gravel of grading 06 mm to 03 mm. graded filter media suitable for use in filteration plant complete all as directed.

Supply & filling in layers mix of manganese dioxide (MnO2) and treated carbofil in lumps of size 20 mm to 15 mm containing 75% of manganese Dioxide and 25% KG carbofil suitable for use in filltration plant complete all as specified and directed.

Supply & filling live catalytic media (green Sand) suitable for use in filltration plant complete all as specified and directed.

Cleaning overhead building service water tank of capacity 500 litre by high pressure and disinfections by ultraviolet radations and disposal of sludge at safe place. Rate also includes all labour, materials, equipment, plants and machinery etc complete in all respect. Total process of the cleaning comprises of following steps, complete all as specified and directed. (i) Cleaning of initial sludge and sedimentation etc and disposal of sludge in sludge tank carefully. (ii) Total high pressure cleanig with machines using special rotary high pressure cleaning for total removal of scaling, dirt and algae etc from the walls, pillars and flooring to thoroughly expose the original concrete wall/surface. (iii) Removal of sludge by labours. (iv) Removal of dirt, fine mud and fine particles etc. by industrial vaccum cleaner. (v) Sterilisation of walls, flooring by special anti bacterial agents for reductions of microbiological impurities. (vi) Final disinfection by special industrial ultraviolet radiations to ensure complete sterlisation of tanks. Notes:- (a) Rate are deemed for writing work i.e. tank clean on (date), (month) and (year), font size should be 10 cms. (b) Any damages of float valves and tanks due to negligence of work will be rectified by the contactor is own cost. (c) cleaning of vegitation 1mtr arround the tank. (d) Payment shall be made to contractor after issuing completion report of each tank by Engr-in-charge on his satisfaction.

All as per Item No. 14.00 here-in-before but 1000 ltrs capacity water tanks, complete all as specified and directed.

All as per Item No. 14.00 here-in-before but 2000 ltrs capacity water tanks, complete all as specified and directed.

All as per Item No. 14.00 here-in-before but 5000 ltrs capacity water tanks, complete all as specified and directed.

Repairing of defective Butter Fly Valve (150 mm dia) of the plant & replacement of gland packing for smooth operation etc complete all as specified and directed.

S&F in repairs butter fly valve PN-1.6, 150 mm dia conforming to IS 13095-2020 use in filltration plant complete all as specified and directed

S&F in repairs, connecting and testing cast iron reflux valve (non return valve IS -5312-1&2) CI suitable for 150 mm bore pipe heavy duty both end flanged of pressure rating PN 1.6 and jointing with joint with rubber or fibre board gasket complete with and including required nos size of nuts, bolts and washers complete all as specifed and directed.

Opening of sluice valves 150 mm dia bore after de-scaling and grinding on Lathe Machine and replacement of Spindle, Gutka, valve sheet, brass rings as per existing by new one and complete de-scaling and proper functioning at site refixing at existing postion inclcluding nut, bolt, washer, gasket, wheel complete all as specified and as directed.

Testing of Water Samples of table 1,2,3&6 of IS:10500:2012 as mentioned below from Pump Houses viz PH No - 18(New RSD) ,PH No 7 (Police Line), PH No 5(B Park), PH No -Karen Line , PH No 10 , PH No-21 (SBI LINE), PH No-NORTHERN Pocket, PH No -22, PH No-20, DAD Pump house complete all as specified and directed. Note: Testing of Water for Raw Water & Filtererd Water for total 10 Pump Houses in three month Basis. Testing of Raw water and Treated water in Each PH consider as One Job PH Level as per table 1, 2, 3 & 6 of IS:10500-2012 alogwith following :- Specific Conductivity;Chloride (CL);Total Harness as Ca CO₃; Iron as (FE); Arsenic (AS), Total dissolved solids; bacteria, colour, oudour test, tarbudity NTU, max fluoride, copper, nitrate, alkainity, E - Coliform, total coliform bacteria, Mn, Sulphide, Ca, Mg, Cyanide, Lead, Chromium, zinc,Al, TSS, Oil and grease, Ca Hardness, Mg Hardness, P Alkinity, Na, K, free Chloride, sulphate. Note for above Item :- (a) Sample of Water for the above media test are to collected in transparent container/Jar/bottle separately for each test against each pump houses. (Hygienically clean bottles). (b) Sample of water to be collected shall be forwarded to Govt Lab. (c) Testing of Water shall be carried out at the office of Senior Geologist, Geological Sub Divn No-II, Spandan Complex, Ist Floor, Burdwan (Opposite Municipality office near Burdwan Rly Station (WB). OR any authorized State/central Govt Lab. (d) Test report shall be approved by GE before payment to contractor.

Pumping out sewage water from the existing sumps of sewage plant Pump house with the help of Non clogging of pump any kind capacity of pump set not less than 2160 LPM capacity 15HP/20 HP (Minimum) So as to vacate the sumps to enable the repair of the main non clogging submersible pump sets installed in the pump house, complete all as specified and directed. Notes:- (a) Pumping shall be continued till the main pumps installed in sewage sump is cleared for carrying out repair work. (b) Delivery pipe should be connected and the sewage water shall be thrown in the manhole of out side the fencing /wall of central sewage plant towards the main gravity dropping main hole. (c) Pumping of sewage water still be continued till the sumps are fully empty and to keep till the installed non clogging pump are repaired & fully operative. (d) Necessary man power to operate the pump set are deemed to be included in the rate. (e) Rate quoted is deemed to include for Diesel/Engine oil till completion of repair work including testing of sewage pump set. (f) Rate included for transportation of pump set to site/back.

Lifting the non clogging pump set electrically operated by 15HP/20HP 3 Phase motor incl column pipe, line shaft etc after disconnecting of all elect and water line connection for any make of pump & motor complete all as specified and directed.

Dismantling of non clogging submersible pump set of capacity 15HP/20 HP and taking out burnout winding from the stator of motor and rewinding with PVC copper wire as per existing gauge incl connection commissioning & testing complete all as specified and directed.

Lowering complete the non clogging pumping set and reflixing the motor carefully including connection and testing complete all as specified and directed.

Pumping out sewage water from the existing sumps/tanks of STPs with the help of Non clogging of pump any kind capacity of pump set not less than 1500 LPM capacity 10HP/15 HP (Minimum) along with taking out mud/ solid sludge from the tank complete from soild sepration chamber, aeration chamber and despose whole sludge to faraway areas from public places including cleaning of sump completely. So as to vacate the sumps to enable the repair of the main non clogging pump sets installed in the STPs. complete all as specified and directed. Notes :- (a) Pumping shall be continued till the main pumps installed in STPs sump is cleared for carrying out repair work. (b) Delivery pipe should be connected and the sewage water shall be thrown in the manhole of out side the fencing /wall of STPs towards the main gravity dropping main hole. (c) Pumping of sewage water still be continued till the sumps are fully empty and to keep till the installed non clogging pump are repaired & fully operative. (d) Necessary man power to operate the pump set are deemed to be included in the rate. (e) Rate quoted is deemed to include for Diesel/Engine oil till completion of repair work including testing of sewage pump set. (f) Rate included for transportation of pump set to site/back.

Lifting and dismantling the non clogging submersible pump set electrically operated 7.5 HP 3 Phase motor incl column pipe, line shaft etc after disconnecting of all electric and water line connection for the any make of pump & motor to carry out the repair to the motor and taking out burnout winding from the stator of motor and rewinding with pvc copper wire as per existing gauge incl connection commisssioning and testing complete all as specified and directed.

Lowering complete the non clogging pumping set and reflixing the motor carefully including connection and testingcomplete all as specified and directed.

Dismantling of electric induction blower motor 5.0 HP, AC, 3 phase, 415 volts from site after disconnecting from pump & electric connection for rewinding, taking out to work shop, opening of motor, taking out old worn-out / burnt-out winding complete, cleaning the slots properly and rewinding with supper enamelled copper wire as per existing gauge and varnishing complete, and reassembling after repairs and replacement of parts as required, refixing the same at site and connecting the electric connection with existing cable etc and including painting of external portion of pump with synthetic enamel paint (1 st quality) of two coat after one coat priming of red oxide primer and testing for satisfatory working of pump complete all as specified and directed.

Testing of sewage water as per IS: 3025-58 (2006) samples for BOD annd COD testing analysis as mentioned below from STPs viz STP 21Gdr, STPs 235Er, STPs supply depot,STP 559 ASC,Mes IB complete all as specified and directed. (a) BOD (b) COD (c) PH Level (d) Total Suspended Soild(TSS) (e) Outlet Coliform Note: (i) Testing of sewage water treated sewage water for total 06 STPs in three month Basis.(i.e Testing of treated sewage water in Each STPs consider as one Job in the BOQ) (ii) Sample of Sewage Water for the above media test are to collected in transparent container/Jar/bottle separately for each test against each STPs. (Hygienically clean bottles). (iii) Sample of water to be collected shall be forwarded to Govt Lab / any authorized Lab (iv) Payment shall be made after approved of test report by GE

Dismantling of pipeline, machine part & servicing of existing unserviceable Air Blower (of any Make ) of capacity 188 Cubic/Hr from workshop with taking out of electric cable complete and reconnecting the electric and mechanical connection at existing location after carrying out following repairs complete all as specified and directed. Notes:- (i) S&F of Spare parts if any required for replacement shall be measured and paid separetly under relevant items. (ii) Cost of taking out of old & fixing of following spare parts shall be deemed to be included in quoted rate of this item:- (a) Replacement of Oil seal (b) Replacement of locking arrangement of pully (c) Replacement of gland packing with oil and greasing.

Supply & filling Gear oil EP 90.

S&F Air filter.

S&F belt as per existing model.

S&F bearing.

S&F set of rotor with hub as per existing model.

S&F set of gear with hub as per existing model.

Repairs to the Induction motor (440 Volt 50 Hz) Power of capacity 5 HP for blower in STP plants by dismantling the rotor complete rewinding the stator with proper gauge of super enamelled copper wire including changing of insulating material proper heat varnish, painting replacement of bearing complete & connected with complete all as specified and directed.

Finding out defect of panel and taking out burnt interconnection wiring including U/S and serviceable component for reuse including rewiring of panel using existing size of copper cable,ferrule , lugs, insulating materials, nut bolts washer of various sizes refixing serviceable items complete all as specified and directed.

S&F in repairs, flexible flat PVC insulated PVC sheathed copper couductor stranded submersible cable cores 1100 volt grade 4 Sqmm 3 core IS:698 including jointing, testing material and connection work, complete all as specified and directed.

S&F in repair, flexible flat PVC insulated PVC sheathed copper couductor stranded submersible cable cores 1100 volt grade 10 Sqmm 3 core IS:698 including jointing, testing material and connection work, complete all as specified and directed.

S&F round strand steel wire rope dia 12 mm and connected clamp nut bolts fixed complete all as specified and directed.

M&L submersible pump Fully Automatic Star delta Starter Type MU-G Motor rating AC-3,Duty 415v, 50 Hz 3 Phase upto 25 HP,Relay range of 17-25 A as per existing including after taking out old unserviceable, complete all as specified and directed.

S&F Start Push Button as per existing including after taking out old unserviceable, complete all as specified and directed.

S&F Stop Push Button as per existing including after taking out old unserviceable, complete all as specified and directed.

S&F Pressure gauge for blower as per existing including after taking out old unserviceable, complete all as specified and directed.

S&F plastic MBBR filter bio media for srewage water treatment of size 25X12mm black in colour including after taking out old unserviceable, complete all as specified and directed.

M&L DI pipe of 150 mm bore with spigot and socket end rubber gas cate joint(titon) centrifugally cast class K-7 conforming to IS 8329-2000 laid in trenches/ on surface/ over masonry pillar and connection to old or new position and including after taking out old unserviceable, complete all as specified and directed. Note:- Cost of joint included in the qoted rate

S&F in repairs MS Column pipe 150 mm dia, 3mtr length medium grade flange type both ended with complete fitting complete all as specified and directed.

S&F in repairs 25mm bore GI Tubing medium grade in Trenches/ Floor/Pillar and connection in old or news position including fitting like socket /Union/Tee/Reducer Nipple etc complete all as specified and directed.

S&F in repairs 40mm bore GI Tubing medium grade in Trenches/ Floor/Pillar and connection in old or news position including fitting like socket /Union/Tee/Reducer Nipple etc complete all as specified and directed.

S&F in repairs 50mm bore GI Tubing medium grade in Trenches/ Floor/Pillar and connection in old or news position including fitting like socket /Union/Tee/Reducer Nipple etc complete all as specified and directed.

S&F in repairs 80mm bore GI Tubing medium grade in Trenches/ Floor/Pillar and connection in old or news position including fitting like socket /Union/Tee/Reducer Nipple etc complete all as specified and directed.

M&L 50mm gate valve gun metal, class-II, screwed down high pressure with clutch handle screwed both ends for iron pipe as per IS:778 including taking out of old unservicable gate valve complete all as specified and directed.

M&L 40mm gate valve gun metal, class-II, screwed down high pressure with clutch handle screwed both ends for iron pipe as per IS:778 including taking out of old unservicable gate valve complete all as specified and directed.

M&L 25mm gate valve gun metal, class-II, screwed down high pressure with clutch handle screwed both ends for iron pipe as per IS:778 including taking out of old unservicable gate valve complete all as specified and directed.

M&L 20mm gate valve gun metal, class-II, screwed down high pressure with clutch handle screwed both ends for iron pipe as per IS:778 including taking out of old unservicable gate valve complete all as specified and directed.

Dismantling of old unservicable Direct online starter and Supply and fixing for Direct online starter for induction motor Pump set of rating 7.5 HP, 415 volts, 50 Hz having with sheet metal encloser and relay range 3 phase 7 to 15 Amps rating panel mounting complete all as specified and directed.

S&F LED aviation light with Integral LED aviation light comprising of aluminium housing with polycarbonate enclosure for over head tank including after taking out the old unserviceables ones complete all as specified and directed.

S&F GI strip 25x4mm as earthing lead bolts nuts check nuts and washers including after taking out the old unserviceables ones complete all as specified and directed.

M&L earthing complete with galvanised steel earth plate electrode 60cmX60cmX6mm thick, burried directly in ground (earth pit not less than 2.25 metres deep below ground level)with top edge of the plate not less than 1.5 metres below normal groundlevel, connected to galvanised earth lead GI strip 20x3mm dia by means of volts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No-3 of SSR Part-I connected to earthing test point all as specified or indicated including excavation and connected earth work in hard/dense soil, PCC 1:3:6 type C-1 as in pit, 20mm dia GI pipe medium grade for watering pipe, 15 mm bore GI medium grade earth lead protection pipe, 50 mm thick RCC 1:2:4 type B-1 cover slab of earth pit reinforced with 8 mm dia TMT bars @ 10 cm C/C both ways and with handle made out of 10 mm dia bars, funnel, strainer,charcoal and testing on completion, complete all as specified and directed.

M & L 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 as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of synthetic enamel paint complete all as specified and directed.

Taking out vertical hollow shaft motor , 3 Phase 45 HP/40HP, 1440 RPM , 50 Cycle and dismantling the rotor complete and rewinding the startor with proper gauge of super enamelled copper wire including changing of insulating material, varnishing heating properly and reassembling and refitment to its original position with replacement of connection plate including testing complete all as specified and directed. Note :- Rate quoted is deemed to inclusive to & for transportation charges.

Taking out rusted/worn out threaded foundation bolt after dismantling old cement concrete foundation base and S &F new anchor bolt with fasteners to bolts of suitable size dia, 12 inch long with proper cement concrete foundation and making fair finished to match with the existing surfaces complete all as specified and directed.

Taking out u/s ratchet plate assembly from VT motor of any size / capacity and S&F ratchet plate assembly complete with ratchet, balls hexagonal bolts etc complete all as specified and directed.

Lifting of submersible pump of any type and capacity from 17.5 HP to 30 HP alongwith column pipe and 3 core flat cable complete after disconnecting of all electric and water line connection for any make of pump & motor, complete all as specified and directed.

Lifting of submersible pump of any type and capacity of 7.5 HP from sump alongwith connecting pipe and 3 core flat cable complete after disconnecting of all electric and water line connection and pumping out water from the sump with the help of an external pump for any make of pump & motor, complete all as specified and directed.

Dismantling of submersible pump bowl assembly of any make and capacity and size complete (to be measured only after lifting) carefully without damaging any parts of the pump and setting aside in Pump house of ascertaining the serviceability of existing dismantled parts including reassembling complete pump with the following works :- (a) Cleaning of complete pump assembly items discharge case, impeller , Shaft suction casing bowls disc & bearing etc. (b) Checking of all rotary and statutory parts of pump bowl & stage casing assembly and making free for their satisfactory run Note:- cost of minor spares is rubber 'O' ring , oil seal, upper bush motor bush etc.shall be deemed to be included in the item).

Supply, laying, connecting, testing and commissioning of LT under ground cable XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 vlts grade, cross sectional area 95 sqmm 3.5 core (IS:7017), laid in trenches/on pole/ in pipe/or wall using suitable clamp for fixing of cable and terminating with suitable size of cable glands and crimping the leads with aluminium lugs, complete all as specified and directed. Note:- Excavation, sand cushioning, brick will be measured and paid separtely under relevant item.

S&F suction cover (Heavy) of submersible pump of any capacity, complete all as specified and directed.

All as per Item No. 62.00 here-in-before but Half coupling pump, complete all as specified and directed.

All as per Item No. 62.00 here-in-before but S.S Shaft (V Stg), complete all as specified and directed.

All as per Item No. 62.00 here-in-before but Neck Ring, complete all as specified and directed.

All as per Item No. 62.00 here-in-before but S.S Sleeve, complete all as specified and directed.

All as per Item No. 62.00 here-in-before but Top S.S Sleeve, complete all as specified and directed.

All as per Item No. 62.00 here-in-before but Top Washer, complete all as specified and directed.

All as per Item No. 62.00 here-in-before but allen key, complete all as specified and directed.

All as per Item No. 62.00 here-in-before but key for shaft, complete all as specified and directed.

All as per Item No. 62.00 here-in-before but bowl bush, complete all as specified and directed.

All as per Item No. 62.00 here-in-before but coupling bush, complete all as specified and directed.

All as per Item No. 62.00 here-in-before but bowl threded, complete all as specified and directed.

All as per Item No. 62.00 here-in-before but discharge outlet, complete all as specified and directed.

All as per Item No. 62.00 here-in-before but non return valve, complete all as specified and directed.

All as per Item No. 62.00 here-in-before but impeller, complete all as specified and directed.

Lowering the submersible pumping set alongwith motor, cable,column pipe and other connected accessories incl making all electrical connection,commissioning & testing complete all as specified and directed.

Dismantling and taking out submersible motor of 17.5 HP to 30 HP burn out winding from the stator of motor and rewinding with PVC copper cable as replacement the quality incl connection commissioning & testing complete all as specified and directed.

Dismantling and taking out submersible motor of 7.5 HP burnout winding from the stator of motor and rewinding with PVC copper cable as replacement the quality incl connection commissioning & testing complete all as specified and directed.

S&F in repairs, flexible flat PVC insulated PVC sheathed copper couductor stranded submersible cable cores 1100 volt grade 16 Sqmm 3 core IS:698 including jointing material and connection work, complete all as specified and directed.

S&F in repairs, flexible flat PVC insulated PVC sheathed copper couductor stranded submersible cable cores 1100 volt grade 06 Sqmm 3 core IS:698 including jointing material and connection work, complete all as specified and directed.

M&L Timer Star Delta time of 3 sec-30 sec Voltage range 240-415VAC contact arrangement 1 C/O (Star)+1 C/O (Delta) as per existing including after taking out old unserviceable, complete all as specified and directed.

M&L 3 Pole Power Contactor type MNX, AC 3 80A as per existing including after taking out old unserviceable, complete all as specified and directed.

M&L Over Load Relay Direct Mounting Relay range of 30-50A as per existing including after taking out old unserviceable, complete all as specified and directed.

M&L Change Over switch In Sheet Enclosure rating of 200A as per existing including after taking out old unserviceable, complete all as specified and directed.

M&L for MCCB, 63A, 3 pole, 36 kA breaking capacity Ics=ICU 100%, with thermal magnetic release, adjustable overload setting 0.8 x 1.0 In, manual type at 415V, AC, 50 Hz including after taking out old unserviceable, complete all as specified and directed.

M&L for MCCB, 125A, 3 pole, 36 kA breaking capacity Ics=ICU 100%, with thermal magnetic release, adjustable overload setting 0.8 x 1.0 In, manual type at 415V, AC, 50 Hz including after taking out old unserviceable, complete all as specified and directed.

M&L 200A, 3 pole, 25 kA breaking capacity Ics=ICU 100%, with thermal magnetic release, adjustable overload setting 0.8 x 1.0 In, manual type at 415V, AC, 50 Hz including after taking out old unserviceable, complete all as specified and directed.

S&F in repairs voltmeter digital 0-500V, Class 1, capacity as per existing including after taking out old unserviceable, complete all as specified and directed.

S&F in repairs Ammeter 96x96 size digital with CT ratio of 0-100 Amp, Class 1 as per existing including after taking out old unserviceable, complete all as specified and directed.

Lifting and lowering of vertical turbine Pump set of any capacity ( make - Jhonston/warthington /wpll : WPIL/Garden Reach. Lifting : By disconnecting of all electrical connections to motor and pump , and dismantling the motor from foundation by unscrewing foundation nuts after disconnecting delivery main and kept aside inside pump house , Lifting of VT pump assembly from bore of any depth alongwith column pipe /shaft and connected items are kept inside pump house to check the unserviceability. Lowering :- Lowering of pump assembly in bore of any depth alongwith column pipe, shaft and connected items after repair against respective item here-in- after and installation of pump motor in its original foundation, connections the same with top shaft as well as delivery main including electrical connectiion of both end i.e. with starter and motor terminals, complete all as specified and directed. Notes :- (a) Rate quoted against items deemed to be included for lifting /lowering. (b) Chain pulley block will be used according to the load of pump alongwith column pipe and connected items. (c) Any damages to equipment due to negligence of contract during lifting/lowering to be born by contractor at this own risk & cost.As per direction of Engr-in- Charge.

Dismantling of turbine pump bowl assembly of any make and capacity and size complete carefully without damaging any parts of the pump and setting aside in pump house for ascertaining the serviceability of existing dismantling parts, with the following works, complete all as specified and directed :- (a) Through removing sludging and cleaning of complete bowl assembly items, such as bowl, discharge case , suction case , Impeller , lock collect, bearing /bushes, pump shaft complete etc. after assembling the pump. Checking of all rotary and statutory parts of pump bowl assembly and making free for their satisfactory run.

S&F packing box bearing brass/bronze suitable for 40mm shaft for vertical turbine pump of any capacity, complete all as specified and directed. Note:- Make of spares parts shall be garden reach ship builders & engineers /WPIL

All as per Item No. 79.00 here-in-before but packing box bearing brass/bronze suitable for 25mm shaft, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but gasket for packing box, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Line shaft 10 feet long both end threaded 40 mm (SS), complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Line shaft 10 feet long both end threaded 25 mm (SS), complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Line shaft 5 feet long both end threaded 40 mm (SS), complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Line shaft 5 feet long both end threaded 25 mm (SS), complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Line shaft coupling suitable for 40mm dia shaft (SS), complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Line shaft coupling suitable for 25mm dia shaft (SS), complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Head shaft ( Top shaft ) , SS not exceeding 40 mm dia and 9 feet long as required at site, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Rubber bush for line shaft bearing retainer suitable for 40 mm dia line shafts and suitable for 6 inch dia column pipe as required at site, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Rubber bush for line shaft bearing retainer suitable for 25 mm dia line shafts and suitable for 6 inch dia column pipe as required at site, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Bearing retainer bronze suitable for 6" dia column pipe and 40 mm dia line shaft as required at site, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Bearing retainer bronze suitable for 6" dia column pipe and 25 mm dia line shaft as required at site, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Shaft sleeve as suitable for line shaft 40mm dia (SS), complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Shaft sleeve as suitable for line shaft 25mm dia (SS), complete all as specified and directed.

All as per Item No. 79.00 here-in-before but MS Column pipe wall thickness minimum 6.90 mm, 6 inch dia, 10 feet long both end threaded (8 TPI) fitted with coupling at one end, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but MS Column pipe wall thickness minimum 6.90 mm, 6 inch dia, 5 feet long both end threaded (8 TPI) fitted with coupling at one end, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Intermediate bowl CI 10 cc/1607 as per existing sample, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but MS column coupling suitable for 6 inch dia, column pipe (8TPI) 7.1 mm minimum thickness (internally threaded ) heavy duty, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Intermediate bowl bush rubber 25 mm for any type and size of bowl, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Intermediate bowl bush rubber 40 mm for any type and size of bowl, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but intermediate bowl bush but brass gun metal 25/40mm dia for any type and size of bowl, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Impellor lock collect carbon steel suitable for upto 40mm dia pump shaft as per existing sample, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Suction/discharge case CI suitable for 10CC/1607 or any type of bowl as per existing sample, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Suction / discharge case bearing bronze suitable for upto 40mm dia pump shaft or as per existing sample., complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Impeller close type bronze suitable for 10 CC/1607 upto 40mm dia pump shaft or as per existing smaple, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Bowl stud suitbale for 1607 or any type and size of bowl or as per existing sample or as per sample make OKN / TVS, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Pump shaft SS upto 40mm dia 9 feet long suitable for 10 stage bowl assembly having 1607 bowl or any type of bowl or as per existing sample, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Split packing gland suitable for 40 mm head shaft with packing gland stud and nut complete, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Split packing gland suitable for 25 mm head shaft with packing gland stud and nut complete, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Packing box suitable for upto 20000 GPH pump set, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Adjusting nut alongwith lock screw for 40 mm dia top shaft, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Adjusting nut alongwith lock screw for 25 mm dia top shaft, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but Pump shaft and hollow shaft motor coupling complete suitable for 20000 GPH pump set, complete all as specified and directed.

All as per Item No. 79.00 here-in-before but head shaft (Top shaft, SS not exceeding 25mm dia and 9 feet long as required at site), complete all as specified and directed.

Cutting , facing and threading of column pipe upto 150mm dia of length n.exc 10 feet each all as directed as required at site ( Rate are inclusive of transportation , loading /uploading etc of the item from installation to civil workshop & back.) complete all as specified and directed.

All as per item No 80 here-in-above but for line shaft/top shaft any type n.exc 40mm dia & 10 feet long complete all as specified and directed.

Transportation of complete pump shaft, line shaft, head shaft ( top shaft) etc of any VT pump assembly and complete impeller assembly Old/New ( Lifting & diamantling of pump will be measured and paid separately against item ser No 34 & 35 ) from pump house to civil workshop for carrying out the under mentiioned work and back to installation for refitment etc complete all as specified and directed :- (a) Proper alingment of pump shaft, line shaft and top shaft. (b) Proper balancing of the impellers

Decoupling of VT hollow shaft motor 45 HP , 3 Phase , from pump and supply and fixing with new thrust bearing 7220B including greasing after taking out the old unserviceable thrust bearing form motor, complete all as specified and directed.

All as per item No 83 above but ball bearing 6311, complete all as specified and directed.

Taking out chlorine Dozing plant, transporting to workshop of manufacture or authorized dealer, dismantling the dozing plant, cleaning, disconnecting electric connection liquid of all Job parts taking out all defective parts and S&F new parts for replacement (S&F of New parts will be measured and paid separately under relevant item) after reassembling, testing and re-fixing complete all as specified and directed. Make of Plant : Declibac

S&F rotor assembly with brackets & tolerance rings part No.PMBRPL2 for Decrin dozing Pumps, complete all as specified and directed.

All as per Item No. 86.00 here-in-before but 7 Pump Head (Ferrules 1/4" & duckbill included) Part No.UCPH7FD, complete all as specified and directed.

All as per Item No. 86.00 here-in-before but 7 Pump Tube Part No.MCCP207 (5 PK), complete all as specified and directed.

All as per Item No. 86.00 here-in-before but Injection check valve3/8" Part No.MCINJ38 (5 PK), complete all as specified and directed.

All as per Item No. 86.00 here-in-before but Weighted suction line strainer 3/8" Part No.ST138, complete all as specified and directed.

All as per Item No. 86.00 here-in-before but 3/8" weighted suction /discharge tubing Part No- MALT002, complete all as specified and directed.

All as per Item No. 86.00 here-in-before but Checkvalve duckbill only (PK of 5)Part No-MCCVDBO, complete all as specified and directed.

All as per Item No. 86.00 here-in-before but Connecting nut 3/8"Part No-MANUT00, complete all as specified and directed.

All as per Item No. 86.00 here-in-before but Roller Assembly 4 -Pack Part No MC3ASYD, complete all as specified and directed.

All as per Item No. 86.00 here-in-before but Coil 250 V 50 Hz Part No MP6J222, complete all as specified and directed.

M&L nylon tube ¼ “ dia for chlorine dozing system complete all as specified and directed.

S&F NRV (antisyphon valve) for chlorine dozing system, complete all as specified and directed.

Repairs to the motor (230 Volt 50 Hz) Power 1200watt, RPM-920) of agitator belongs to chlorine dozing system by dismantling the rotor complete rewinding the stator with proper gauge of super enamelled copper wire including changing of insulating material proper heat varnish, painting replacement of bearing complete & connected with chlorine dozing system, complete all as specified and directed.

S&F in repairs, connecting and testing reflux valve (non return valveIS -5312) CI suitable for 150 mm bore pipe heavy duty both end flanged of pressure rating PN 1.6 and jointing with joint with rubber or fibre board gasket complete with and including required nos size of nuts, bolts and washers complete all as specifed and directed.

S&F in repairs, cast iron sluice valve of 150 mm bore, class PN 1.6 duly ISI Marked, (conforming to IS -14846-2000) with iron wheel head both end flanged, stainless steel spindle, non rising type complete with Neoprene rubber gasket, nut bolts and washer etc complete all as specified and directed.

All as per item No. 91 here-in-before but of size 100 mm bore, complete all as specified and directed.

S&F both ended Venturi flange type suitable for 150 mm dia pipe, 2 ft long with nut bolts and gasket complete all as specifeid and directed.

All as per Item No 93 here-in-before but for bore 100 mm, complete all as specifeid and directed.

M&L applying water proofing compound as per manufacturer's instructions on the PCC chambers of the under ground sumps after properly mixing with cement and sand in right quantity rendering with 15mm thcik cement plaster in Cement Mortar 1:3 so as to make the chambers leak proof, complete all as specifeid and directed.

S&F 3.15mm thick mild steel plain black sheet for earth, covering to door shutters, and covering to valve pit frame cut size edges beaded as directed, holes punched, including rounded head serews with plain 40mm lap, joints or welded/ reveted seams including bending, turning up mitred angle, stoped ends, outlets as required, complete all as specifeid and directed.

Note : Contractor shall strictly follow the “Prohibition of Employment of Manual Scavengers and their Rehabilitation Act, 2013” which refers prohibits engagement or employment of any person for hazardous cleaning of sewers and septic tanks by employing manual handling of excreta in the process of their cleaning. Necessary by pass arrangement to be made in case of time consuming repairs, till the sewer line is repaired & wherever handling of human excreta can be involved necessary appropriate technological appliances (Sewage Suction Truck) will be complied with the subject Act.

M/S ABHINABA ENTERPRISE (BID ID -3170845)

M/S ANANDA ENTERPRISE (BID ID -3172598)

m/s friends construction (BID ID -3172924)