REPAIR/REPLACEMENT OF CI/DI/GI/PVC WATER MAIN PIPE LINE VALVES AND CONNECTED ITEMS AND REPAIR/SERVICING OF PUMP MOTORSDOSING SYSTEM IR PLANT AND SERVICING OF 49 KWP ROOFTOP SOLAR PLANT WITH CLEANING AT CGRA MANICKTALA AND INS NETAJI SUBHAS AT NAV

Supply only Thrust bearing for submersible pump of capacity 5 to 12.5 HP all as specified and directed

Supply only Gun Metal Impeller for submersible pump of capacity 5 to 12.5 HP all as specified and directed

Supply only Sand Guard for submersible pump of capacity 5 to 12.5 HP all as specified and directed

Supply only Gun Metal Bush for submersible pump of capacity 5 to 12.5 HP all as specified and directed

Supply only Stainless Steel Shaft for submersible pump of capacity 5 to 12.5 HP all as specified and directed

Supply only NRV for submersible pump of capacity 5 to 12.5 HP all as specified and directed

Supply only Thrust bearing for submersible pump of capacity 15 to 25 HP all as specified and directed

Supply only Gun Metal Impeller for submersible pump of capacity 15 to 25 HP all as specified and directed

Supply only Sand Guard for submersible pump of capacity 15 to 25 HP all as specified and directed

Supply only Gun Metal Bush for submersible pump of capacity 15 to 25 HP all as specified and directed

Supply only Stainless Steel Shaft for submersible pump of capacity 15 to 25 HP all as specified and directed

Supply only NRV for submersible pump of capacity 15 to 25 HP all as specified and directed

All as per item No 16 above but for capacity 15 to 25 HP all as specified and as directed.

S&F PVC insulated water proof 3 core cable suitable for submersible pump set 1100 volts grade with standard copper conductor cable of size 6 sqmm complete all as specified and directed including taking down old one.

Supply only Gun Metal Impeller for monoblock pump of capacity 5 to 12.5 HP Make Calama, KSB, CRI all as specified and as directed.

Supply only Stainless Steel Shaft for monoblock pump of capacity 5 to 12.5 HP Make Calama, KSB, CRI all as specified and as directed.

Supply only Gun Metal Impeller for monoblock pump of capacity 15 to 25 HP Make Calama, KSB, CRI all as specified and as directed.

Supply only Stainless Steel Shaft for monoblock pump of capacity 15 to 25 HP Make Calama, KSB, CRI all as specified and as directed.

Material & labour for rewinding of centrifugal monoblock pump motor 5 to 12.5 HP with super enamelled coper wire of existing gauge, varnishing drying with electric furnace process with taking down burnt winding,cleanining of stator and rotor including replacement of bush, bearing etc including including painting of outer body parts testing & commissioning complete all as specified and directed.

All as per item No 25 above but for capacity 15 to 25 HP complete all as specified and directed.

All as per item No 25 above but for capacity 0.5 to 2.0 HPcomplete all as specified and directed.

Material & labour for repairing of openwell submersible pump motor of capacity 5 to 12.5 HP , replace of ball bearing , bush, gland collar, nut bolts including rewinding with super enamelled coper wire of existing gauge, varnishing drying with electric furnace process with taking down burnt winding,cleanining of stator and rotor etc including testing & commissioning complete all as specified and directed.

Material & labour for repairing of openwell submersible pump motor of capacity 15 to 25 HP , replace of ball bearing , bush, gland collar, nut bolts including rewinding with super enamelled coper wire of existing gauge, varnishing drying with electric furnace process with taking down burnt winding,cleanining of stator and rotor etc including testing & commissioning complete all as specified and directed.

M&L for repair of monoblock single phase pressure pump of capacity 0.5 to 2.0 HP by replacement of worn out parts, rewinding of coils all as specified and as directed.

Supply only PVC tubing suitable for decrin dozing pump complete all as specified & directed.

Supply only pulser circuit for decrin dozing pump complete all as specified & directed.

Supply only injecting check valve for decrin dozing pump complete all as specified & directed.

Taking up existing sewage (Vertical Turbine) pump set along with column pipe from the semi underground sewage (Vertical Turbine) sump of capacity 30 HP, cleaning thoroughly all serviceable spare and overhauling the pump with machine work and repairing by replacing the minor parts of the pump i.e. locknuts, impeller key, collaring etc.with nuts bolts & washer and lowering the same testing & connection complete. (Note: Major spare parts like shaft, Angular contact bearing, bush, Oil seal, holding clamp, Shaft sleeves if required shall be measured and paid separately as supply only under respective items in this Schedule).

Supply & fix stainless steel shaft for sewage pumping set of capacity 30 HP complete all as specified and directed.

Supply & fix Angular contact bearing for sewage pumping set of capacity 30 HP complete all as specified and directed.

Supply & fix GM bush for upper bearing house for sewage pumping set of capacity 30 HP complete all as specified and directed.

Supply & fix GM bush for line shaft for sewage pumping set of capacity 30 HP complete all as specified and directed.

Supply & fix Oil seal for sewage pumping set of capacity 30 HP complete all as specified and directed.

Supply & fix MS holding clamp suitable size with nuts & bolts for sewage pumping set of capacity 30 HP complete all as specified and directed.

Supply & fix Shaft sleeves for sewage pumping set of capacity 30 HP complete all as specified and directed.

Supply & fix GM bush for lower bearing house for sewage pumping set of capacity 30 HP complete all as specified and directed.

M&L for replacement of rusted base frame with new base frame as per OEM specification by removing and shifting pump set including grouting and fixing with help of new bolts after making good the PCC foundation duly checked the water level for proper alignment all as specified and as directed. Note: PCC will be measured and paid separately.

M&L for Leakage detection in PVC / GI pipe line upto 150 mm bore and necessary repairs including cutting, threading for addition/alteration and insertion of fittings all as specified and directed. Note: Materials for replacement will be supplied and measured separately.

Excavating in trenches n. exc. 1.5 m. wide and n. exc. 1.5 m. in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pire holes, etc. n. exc. 10 sqm on plan and not exc. 1.5 m. in depth and getting out in soft/loose soil complete all as specified and as directed.

Returning filling including spreading levelling, watering and well ramming in layers not exceeding 25 cm in soft/loose soil complete all as specified and as directed.

Removing excavated soil not exc 50 mtr and depositing where directed at a level not exc 1.5 mtr above the starting point in soil complete all as specified and as directed.

Supply and laying 50 mm dia steel water tube light grade galvanised with all fittings laid in trenches for cable protection including specials and taking down old one complete all as specified and as directed.

Supply and laying 80 mm dia steel water tube medium grade galvanised with all fittings laid in trenches complete including specials and taking down old one all as specified and as directed.

Supply and laying 50 mm dia steel water tube medium grade galvanised with all fittings laid in trenches complete including specials and taking down old one all as specified and as directed.

Supply and laying 40 mm dia steel water tube medium grade galvanised with all fittings laid in trenches complete including specials and taking down old one all as specified and as directed.

Supply and laying 25 mm dia steel water tube medium grade galvanised with all fittings laid in trenches complete including specials and taking down old one all as specified and as directed.

Supply and laying 20 mm dia steel water tube medium grade galvanised with all fittings laid in trenches complete including specials and taking down old one all as specified and as directed.

S&F 50 mm dia gun metal globe/gate valve with iron wheel head screwed both ends for iron pipes and fixed in existing position including taking down unserviceable one complete all as specified and as directed.

S&F 40 mm dia gun metal globe/gate valve with iron wheel head screwed both ends for iron pipes and fixed in existing position including taking down unserviceable one complete all as specified and as directed.

S&F 25 mm dia gun metal globe/gate valve with iron wheel head screwed both ends for iron pipes and fixed in existing position including taking down unserviceable one complete all as specified and as directed.

S&F 20 mm dia gun metal globe/gate valve with iron wheel head screwed both ends for iron pipes and fixed in existing position including taking down unserviceable one complete all as specified and as directed.

S&F 15 mm dia gun metal globe/gate valve with iron wheel head screwed both ends for iron pipes and fixed in existing position including taking down unserviceable one complete all as specified and as directed.

S&F PVC ball valve 15/20 mm dia on existing pipe all as specified and as directed.

Supply and laying 80 mm bore, Ductile Iron Pipe, conforming to IS-8329/2000, flanged ends/socket and spigot type, centrifugally cast Type K-9, in any length laid in trenches including taking down old one complete all as specified and directed. Note : Jointing and excavation shall be measured and paid separately under respective items in this schedule

Supply and laying 100 mm bore, Ductile Iron Pipe, conforming to IS-8329/2000, flanged ends/socket and spigot type, centrifugally cast Type K-9, in any length laid in trenches including taking down old one complete all as specified and directed. Note : Jointing and excavation shall be measured and paid separately under respective items in this schedule

Supply and laying 150 mm bore, Ductile Iron Pipe, conforming to IS-8329/2000, flanged ends/socket and spigot type, centrifugally cast Type K-9, in any length laid in trenches including taking down old one complete all as specified and directed. Note : Jointing and excavation shall be measured and paid separately under respective items in this schedule

M&L for DI pipes fittings upto 150 mm bore, such as bend (any type radius and angle) tapers, any type (straight bend increasing decreasing or double socket etc) Tee piece single branch junction 'Y' junction, cross, double branch (all sockets and/or socket and spigot) collars caps and plugs etc complete incl taking down old one all as specified and as directed.

M&L for Cutting CI /DI/GI water mains in position for insertions of new fittings such as Tee, bend collar etc as required including welding ,hole and connecting ferule system upto 150 mm dia bore complete all as specified and as directed by Engr-in-charge.

Supply and laying 80 mm dia water tube MS heavy grade Pipe with all fittings laid in trenches complete including specials all as specified and as directed.

Supply and fix for 80 mm dia D.I. resilient (soft) seated gate valve with pocket less body, ss stem (AISI 410), epdm coated di wedge 100% vaccum tight design with toroidal sealing rings & over 250 micron epoxy coating in PN16 designed to BS:5163/IS:14846 non-rising stem type with hand wheel operation including taking down old unserviceable one complete all as specified and as directed. Make: Kirloskar/kartar/Leader

Supply and fix for 100 mm dia D.I. resilient (soft) seated gate valve with pocket less body, ss stem (AISI 410), epdm coated di wedge 100% vaccum tight design with toroidal sealing rings & over 250 micron epoxy coating in PN16 designed to BS:5163/IS:14846 non-rising stem type with hand wheel operation including taking down old unserviceable one complete all as specified and as directed. Make: Kirloskar/kartar/Leader

Supply and fix for 150 mm dia D.I. resilient (soft) seated gate valve with pocket less body, ss stem (AISI 410), epdm coated di wedge 100% vaccum tight design with toroidal sealing rings & over 250 micron epoxy coating in PN16 designed to BS:5163/IS:14846 non-rising stem type with hand wheel operation including taking down old unserviceable one complete all as specified and as directed.

Supply and fix 80 mm dia DI non-return valve, flanged end in swing type design with EPDM door and with over 250 micron epoxy coating including all necessary items including taking down old unserviceable one complete all as specified and as directed. Make: Kirloskar/kartar/Leader

Supply and fix 100 mm dia DI non-return valve, flanged end in swing type design with EPDM door and with over 250 micron epoxy coating including all necessary items including taking down old unserviceable one complete all as specified and as directed. Make: Kirloskar/kartar/VAG

Supply and fix 150 mm dia DI resilient seated non-return valve, flanged end in swing type design with EPDM door and with over 250 micron epoxy coating including all necessary items including taking down old unserviceable one complete all as specified and as directed.

M&L CI diaphargm valve flanged end conforming to IS of size 25 mm bore 10 kgf/cm2, 1.0Mpa class-5 including necessary nuts bolt, washer, rubber/fibre board gasket complete all as specified and directed including taking down old one.

M&L CI diaphargm valve flanged end conforming to IS of size 80 mm bore 10 kgf/cm2, 1.0Mpa class-5 including necessary nuts bolt, washer, rubber/fibre board gasket complete all as specified and directed including taking down old one.

M&L CI diaphargm valve flanged end conforming to IS of size 100 mm bore 10 kgf/cm2, 1.0Mpa class-5 including necessary nuts bolt, washer, rubber/fibre board gasket complete all as specified and directed including taking down old one.

M&L for run lead joint both side for CI spigot and socket pipes & fittings up to 150 mm bore with new lead complete all as specified and as directed including burning out lead joint in position, including removing old lead complete.

S& F CI foot valve 100 mm with GM working parts as per IS-4038 including all connecting fittings with gasket completa all as specified and as directed. Make: Kirloskar/Kartar/Leader

S& F CI foot valve 80 mm with GM working parts as per IS-4038 including all connecting fittings with gasket completa all as specified and as directed. Make: Kirloskar/Kartar/Leader

M&L UPVC butterfly valve both end flanged conforming to IS of size 63 mm bore 10 kgf/cm2, 1.0Mpa class-5 including necessary nuts bolt, washer, rubber/fibre board gasket complete all as specified and directed including taking down old one. Make: Kirloskar/Kartar/Leader

M&L UPVC butterfly valve both end flanged conforming to IS of size 110 mm bore 10 kgf/cm2, 1.0Mpa class-5 including necessary nuts bolt, washer, rubber/fibre board gasket complete all as specified and directed including taking down old one.

M&L UPVC butterfly valve both end flanged conforming to IS of size 160 mm bore 10 kgf/cm2, 1.0Mpa class-5 including necessary nuts bolt, washer, rubber/fibre board gasket complete all as specified and directed including taking down old one.

Supply only industrial grease suitable for pump motor/engine etc all as specified and as directed.

Supply and fix gland packing various size for water/fire fighting pump, sluice valve etc all as specified and as directed.

M&L two coat of synthetic enamel painting over a coat of red oxide primer after scraping,cleaning the rusted surface with the help of sand paper / wire brush of the complete and after cleaning of rusted surface painting with the help of painting brush for all existing monoblock pump, connected water pipe network with arrow marking and numbering and Lettering, valve-pit cover, accessory, valve etc at INS Netaji Subhas, all as per colour scheme provided by Engr-in-charge all as specified and directed.

All as per item No 87 above but for Dumayune Avenue complete all as specified and directed

All as per item No 87 above but for Meghnath Bldg complete all as specified and directed

S&F Fully automatic star delta (FASD) Starter in sheet steel enclosure type MN with single phase protection feature, motor rating AC- 3 duty, 415V, 50Hz, 3 phase,relay range 9-15 Amps suitable for 3 phase pump of capacity upto 17.5 HP including taking down old one complete all as specified and as directed. Make L&T/ABB /Legrand

S&F Fully automatic star delta (FASD) Starter in sheet steel enclosure type MN with single phase protection feature, motor rating AC- 3 duty, 415V, 50Hz, 3 phase,relay range 14-23 Amps suitable for 3 phase pump of capacity upto 25 HP including taking down old one complete all as specified and as directed. Make L&T/ABB/C&S

S & F DOL Stater with overload protection 2 HP capacity single phase including taking down old one all as specified and as directed. Make: L&T/ABB/C&S

S&F compact motor protection relay in existing panel or separate arrangement for protections against thermal overload with pre-alarm, short-circuit, earth fault, Phase loss, unbalance, phase reversal, under current, prolong starting, locked motor etc. all as specified and as directed. Make- L&T Model No MM10 or equivalent in ABB/C&S/Legrand

Repair & maintenance RO water filter of capacity upto 10 lts including cleaning / washing,overhauling repair of pressure pump motor,sensor and replacement of RO Membrane, carbon filter, UV sensor and TDS control system including related accessories complete all as specified and as directed.

Construction of brick masonry (full brick thick wall) valve chamber, of 1050x1050x950mm size of internal diomension, PCC work with (1:4:8) type D2 150mm thick (using 40mm grade stone aggregate) for foundation complete with 2.00 mm thick GI sheet cover and frame of MS angle iron 40x40x5mm with locking arrangement and painting with one coat of red oxide primer and two coats of synthetic enamel paint all as specified shall be plastering to internal and exposed surfaces of the chamber, in CM(1:4) 15mm thick and PCC coping (1:2:4) type B-1, 50 mm thick complete all as specified and as directed.

Repairing to Valve Pit chamber with GI sheet cover of suitable size fixed with MS handle, supported with MS L-type angle along with locking arrangement including civil work viz brick work, plastering and whitewashing etc complete all as specified and directed. Note: Size shall be customized and as per ground requirement.

M&L plain cement concrete 1:3:6 Type C1 (using 20 mm graded crushed stone aggregate) as in coping, roof kerb or similar work, rounded or chamfered on edges including necessary form work including demolition old one complete all as specified and directed.

M&L sampling cock/tap by drilling existing GI/DI/MS pipe and fabrication all as specified and as directed.

M&L for replacement of existing coupling with tyre coupling made up of natural rubber compound suitable for 5 to 12.5 HP centrifugal pump, checking alignment all as specified and as directed. Make: Fenner or equivalent make approved by GE

M&L for replacement of existing coupling with tyre coupling made up of natural rubber compound suitable for 15 to 30 HP centrifugal pump, checking alignment all as specified and as directed. Make: Fenner or equivalent make approved by GE

M&L for replacement of existing coupling with tyre coupling made up of natural rubber compound suitable for 40 to 100 HP centrifugal pump, checking alignment all as specified and as directed. Make: Fenner or equivalent make approved by GE

Opening of first manhole cover from the sump and pumping out all water from sewage sump, blocking sewage line to sump providing suitable arrangements at first manhole & cleaning the sump thoroughly with the help of wire brush after removing the sludge / silt & other foreign materials complete, removing the blockage from the first manhole complete of capacity 25000 gallons, including removing the sludge from pump house premises & depositing away from defence area complete all as specified and directed.

Cleaning of semi underground sump/underground sump/storage tank of capacity 5000 to 15000 ltrs double chamber by taking out sludge from bottom of tanks, scrapping out scale from bottom & wall with the help of wire brush forming the roof washing out wall & bottom by applying bleaching powder solution, draining out complete materials from tank including capacity, writing date of cleaning after complete including white wash on both inner/outer walls of the sumps all as specified and as directed.

Cleaning of semi underground sump/underground sump/storage tank of capacity 20000 to 50000 ltrs double chamber by taking out sludge from bottom of tanks, scrapping out scale from bottom & wall with the help of wire brush forming the roof washing out wall & bottom by applying bleaching powder solution, draining out complete materials from tank including capacity, writing date of cleaning after complete including white wash on both inner/outer walls of the sumps all as specified and as directed.

Cleaning of underground /semi under ground/static tank/sump of capacity 80000 -200000 ltrs double chamber by taking out sludge from bottom of tanks, scrapping out scale from bottom & wall with the help of wire brush forming the roof washing out wall & bottom by applying bleaching powder solution, draining out complete materials from tank including capacity, writing date of cleaning after duly white wash to the inner/outer surface of the sump complete all as specified and all as directed.

Cleaning of underground /semi under ground sump of capacity 250000 -500000 ltrs double chamber by taking out sludge from bottom of tanks, scrapping out scale from bottom & wall with the help of wire brush forming the roof washing out wall & bottom by applying bleaching powder solution, draining out complete materials from tank including capacity, writing date of cleaning after duly white wash to the inner/outer surface of the sump complete all as specified and as directed.

M&L for road cutting to find the pipe leakage, replacement of unserviceable pipeline and make good the RCC/PCC/Black top/interconnecting road complete all as specified and as directed. Note: Pipe & PCC will be measured and paid separately.

M&L for pipe support to DI/GI overhanging pipes by means of suitable size and length of GI Pipe/MS angle, U- clamp and Base plate grouted in PCC at specified location all as specified and as directed.

Supply and fix in repair 3 pole contactor 1 No suitable for 10-15 HP capacity pump as per existing complete including taking down existing all as directed by Eng-in-Charge.

Supply and fix in repair single phase preventor 50 Hz having mode of operation Auto/manual /bypass suitable for 10-15 HP capacity pump as per existing complete including taking down existing all as directed by Eng-in-Charge.

Supply and fix in repair MCCB 250 Amps 4 pole, 415 V adjustible type as per existing complete including taking down existing all as directed by Eng-in-Charge.

Supply and lay 100 mm dia M S Pipes heavy grade with flange and all fittings and fixture including welding and fabrication work, painting and necessary PCC required laid in trench, floors or fixed to walls and ceilings etc complete all as specified and directed by Eng-in-Charge.

All as per item No-114 above but dia 150 mm complete all as specified and as directed.

M&L CI butterfly valve both end flanged conforming to IS of size 80 mm bore 10 kgf/cm2, 1.0Mpa class-5 including necessary nuts bolt, washer, rubber/fibre board gasket complete all as specified and directed including taking down old one. Make: Kirloskar/Kartar/Leader

S&F butter fly valve (wafer type) gear operated of size 80mm dia with fiber gasket including taking down old one complete all as specified and as directed.

S&F butter fly valve (wafer type) gear operated of size 200 mm dia with fiber gasket including taking down old one complete all as specified and as directed.

Supply and fix for 80 mm dia CI Sluice valve with both end flanged, asket sets PN1.6 with hand wheel operation including taking down old unserviceable one complete all as specified and as directed.

S& F CI foot valve 150 mm with GM working parts as per IS-4038 including all connecting fittings with gasket completa all as specified and as directed.

S &F Water Pressure gauge 0-14 KGs including all connecting fittings and cutting/fabrication complete all as specified and as directed.

Supply only PVC tubing suitable for decrin dozing pump complete all as specified & directed.

Supply only injecting check valve for decrin dozing pump complete all as specified & directed.

Material & labour for rewinding of centrifugal monoblock pump motor 15 HP with super enamelled coper wire of existing gauge, varnishing drying with electric furnace process with taking down burnt winding,cleanining of stator and rotor including replacement of bush, bearing etc including testing & commissioning complete all as specified and directed.

Material & labour for rewinding of centrifugal monoblock pump motor 20 HP with super enamelled coper wire of existing gauge, varnishing drying with electric furnace process with taking down burnt winding,cleanining of stator and rotor including replacement of bush, bearing etc including testing & commissioning complete all as specified and directed.

Material & labour for repairing of monoblock pump motor of capacity 1.5/2.0 HP , replacement of ball bearing , bush, gland collar, nut bolts including rewinding with super enamelled coper wire of existing gauge, varnishing drying with electric furnace process with taking down burnt winding,cleanining of stator and rotor etc including testing & commissioning complete all as specified and directed.

Supply and fix for 100 mm dia CI Sluice valve with both end flanged, asket sets PN1.6 with hand wheel operation including taking down old unserviceable one complete all as specified and as directed.

Supply and fix 100 mm CI non-return valve, flanged end in swing type design with EPDM door and with over 250 micron epoxy coating including all necessary items including taking down old unserviceable one complete all as specified and as directed.

M&L Rubber gasket for 200/150 mm bore CI flanged pipe including testing complete all as specified and directed.

M&L Rubber gasket joint for 100/80 mm bore CI flanged pipe including testing complete all as specified and directed.

M&L one coat of synthetic enamel painting over IRP plant including suction/delivery line complete a coat of red oxide primer after scraping,cleaning the rusted surface with the help of sand paper / wire brush of the complete and after cleaning of rusted surface painting with the help of painting brush for all existing monoblock pump, connected water pipe network, valve-pit cover, accessory, valve etc, all as per colour scheme provided by Engr-in-charge all as specified and directed.

M&L to carry out chemical and bactorogical lab test of water as per IS 10500; 2012 from CGRA Manicktala from Govt Approved / NABL accredited Laboratory including collection of water, Sterilized bottle for testing and submission of the test report. Note : Origininal test report to be submitted to the department as per schedule.

Comprehensive maintenance of water treatment plant of capacity 5000 GPH for safe and efficient running at CGRA Manicktala and consisting of the following accessories complete all as specified and as directed :- (a) Oxidtion chember-01 No. (b) Multigrade pressure filter-01 No.

Opening the manhole of Iron removal pressure filters and taking out the old/unserviceable existing sand gravels and feriminox agent of any size from beds and deposting the same not more than 150 mtr away from filter bed etc and washing the serviceable sand, gravells & fermimix agent by water stream and wire brush upto desired level and refilling the as per existing including cleaning and scrubing the all walls of Iron removal plant internally and externally with wire brush and white washing the same with potassium permagnate complete all as specified and directed by Engr-in-Charge.

Supply and filling in layers of coarse sand in filter media in filter bed grade size (10x20 Mesh) (as per existing) and 2 mm accumulated at top of the filter and coarse sand 3 mm grade below the fine sand etc complete all as specified and directed by Engineer-in-Charge.

All as per item No-141 above but layer of gravel graded size 12mm to 25mm complete all as specified and directed

All as per item No- 141 above but layer of gravel graded size 6mm to 12mm complete all as specified and directed

All as per item No-141 above but layer of gravel graded size 3mm to 6mm complete all as specified and directed

All as per item No141 above but feriminox/MNO2 at catolic agent (Note: MNO2 sealed pack sample by Engr-in -charge should be tested by contractor from Govt approve Laboratory

Taking out old damage strainer any size and type (PVC/HDPE) and replace with new as per existing complete.

Comprehensive Maintenance/Servicing of Air Compressor assebly by Cleaning the whole body & Air tank,incl oil and filter replacement Greasing,Tightening of all nut bolts if required, including replacement of old gasket, Minor repairing to compressor Pump and Electric Motor including replace-ment of Spare Parts like V Belt /NRV,s of any size, Pully if required of any type etc. including repleacement of old oil SAE-90 and oter spares, complete all as specified and as directed. Note-: Material/Spare require for replacement shall be measured and paid seperately under mentioned items.

Supply and fix 80 mm CI non-return valve, flanged end in swing type design with EPDM door and with over 250 micron epoxy coating including all necessary items including taking down old unserviceable one complete all as specified and as directed.

Supply and fix 150 mm CI non-return valve, flanged end in swing type design with EPDM door and with over 250 micron epoxy coating including all necessary items including taking down old unserviceable one complete all as specified and as directed.

Maintenance and Cleaning of 49 KWp On Grid Roof top solar plant per month and including troubleshooting of faulty solar power plant and internet recharge of one year complete with supply of Two AC SPD and Two MCB as and when required and all as specified and as directed. Note : (a) Monthly maintenance inspection report during the month shall be submitted to the dept duly signed by technician and contractor. (b) Contract Agreement of the AMC between contractor and OEM will be submitted to the department. (c) Day to Day / Monthly unit Generation will be manintained and submitted by the contractor to the department. (d) Any breakdown / fault in the solar plant should be attended within 24 hrs.

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