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| 1 | M&L for quarterly cleaning of RO water storage tank of cap 5000 ltrs with bleaching powder by blocking the inlet/outlet flow from manholes, lifting the water out of the sump, scrapping the internal wall/floor with wire brush (to remove deposited scales, mud etc from the walls/floors by using suitable T&P manually from the bottom of the tank) and removing the same at a distance n exc 50m from the site where directed,opening the blocked holes etc before normalising flow complete all as specified and as directed by Engr -in-charge. Note contractor has to pump out the storage water at his own arrangement before cleaning the the tank) |
| 2 | All as per item No 1.00 here-in- before but service tank 2000 Ltr capacity |
| 3 | All as per item No 1.00 here-in- before but service tank 1000 Ltr capacity |
| 4 | All as per item No 1.00 here-in- before but service tank 500 Ltr capacity |
| 5 | Taking out of pump from existing position dismantling and repairing of pressure pump of any type up to 3 hp capacity, replacement of ball bearing, bush, connection wire, oiling etc complete testing all as specified and as directed. |
| 6 | Material and Labour Rewinding of electric motor AC 3phase 415 volts 50- HZ of capacity upto 3 HP with supper enamel copper wire of same size and heating and vernishing after removing the old burnt out winding including replacement of bearing etc testing & commissioning complete all as directed by Engr-in-Charge. |
| 7 | Dismantling the PVC body multigrade filter unit, (NFMG 20) of RO frontal pipe line and valves, un loading the media and cleaning media i.e pebbles, gravels using chemical as approved by manufacturer,servicing of multi port valve, re-installation of unit and testing complete, all as directed. Make : ION Exchange or equivalent as approved in Multitex Engg |
| 8 | Supply only items mentioned here-in-after for RO Plant :- |
| 9 | Multigrade filter media |
| 10 | Activated carbon media |
| 11 | Iron removal media |
| 12 | M&L for overhauling of RO plant of capacity upto 2000 LPH opening the pump set from RO, dismantling the parts for inspection, replacement of viltroli coupling shaft seal complete to build up the pressure for smooth functioning of RO plant complete all as specified and directed. Note : Chemical analysis Lab test : (1. TDS 2. PH 3. Micro biology (ecoly / coliform count) 4. Silica 5. Iron) of RO Plant treated water of various area from Govt. approved laboratory including collection of water in sterillized bottle for testing and submission of the test report (Note : testing is to be carried out on each plant and once in every qtr) |
| 13 | S&F in repair micron catridge capacity 10\" slim complete all as specified and direted by Engineer-in-Charge. |
| 14 | S&F in repair micron catridge capacity 20\" slim complete all as specified and direted by Engineer-in-Charge. |
| 15 | S&F in repair micron catridge capacity 20\" big blow jumbo cartridge complete all as specified and direted by Engineer-in-Charge. |
| 16 | S&F in repair reverse osmosis membrane of cap upto 60 LPH model No. INDRO including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge. Make : Ion exchange/Hydronatics/ion exchange/Multitex engg or equivalent. |
| 17 | S&F in repair reverse osmosis membrane of cap 110 LPH model No. INDRO including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge. Make : Ion exchange/Hydronatics/ion exchange/Multitex engg or equivalent. |
| 18 | S&F in repair reverse osmosis membrane of cap 200 LPH model No. INDRO-43 including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge. Make : Ion exchange/Hydronatics/ion exchange/Multitex engg or equivalent. |
| 19 | S&F in repair reverse osmosis membrane of cap 500 LPH model No. INDRO-43 including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge. Make : Ion exchange/Hydronatics/ion exchange/Multitex engg or equivalent. |
| 20 | S&F in repair reverse osmosis membrane of cap 1000 LPH model No. INDRO-43 including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge. Make : Ion exchange/Hydronatics/ion exchange/Multitex engg or equivalent. |
| 21 | Supply only sodium bicarbonate food grade ( Anti chlorine) complete all as specified and directed by Engr-in-Charge. |
| 22 | Supply only Anti sclalant complete all as specified and directed by Engr-in-Charge. |
| 23 | Supply only TDS meter having LCD display for showing of parameters such as TDS max upto 2000, temperature etc complete all as specified and as directed by Engr-in-charge. |
| 24 | S&F heavy duty PVC pipe of suitable size to with stand 5KG/Cm 2 pressure suitable for decrine dozing pump to rising mains including taking outexisting unserviceable one complete all as directed. |
| 25 | M & L for painting the outer surface OF RO with 2 coats of synthetic enamel paint of approved colour over of a coat of red oxide primer after scrapping the outer surface of all 3 vessels i.e. oxidation chamber, iron removal vessel, softner plant with emmery paper complete all as specified and as directed by Engr-in-charge. |
| 26 | Supply and fixing and testing pressure pump of head range: 6-24 m of capacity 0.5 HP complete all as specified and as directed by Engr-in-charge.Make-Crompton greaves Model : miniforce Iior equivalent as per list of make. |
| 27 | S&F carbon block filter 20x2\" including taking down old unserviceable one complete all as specified and as directed by Engr-in-charge. |
| 28 | S&F flow meter of RO plant up to capacity of 1000 LPH including taking down of old unserviceable one complete all as specified and as directed by Engr-in-charge. |
| 29 | S & F chemical dosing pump of min capacity 6litres/hr @ 4kg back pressure used in chlorine dosing system working in pulsar rating plastic body complete all as specified and as directed by Engr-in-charge. |
| 30 | Supply only ring seal valve for Decrine dosing Pump including taking down unserviceable onecomplete all as specified and directed. |
| 31 | Supply only ring seal valve suitable for decrine dosing pump including taking down unserviceable valve complete all as specified and directed. |
| 32 | Supply only dia phram valve for DDP including taking out the old unserviceable one.complete all as specified and directed. |
| 33 | Supply only discharge valve for decrine dosing pump including taking down unserviceable one complete all as specified and directed. |
| 34 | Supply only stablised calcium hypocholrite disinfectant with chlorine conc 65-70% for water treatment packed in 45 KG plastic Drum complete all as specified and directed. |
| 35 | S&F reverse osmosis UV light cap 1000 LPH including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge. |
| 36 | Supply and replacement of PVC body multiport valve, 32mm dia complete all as specified and as directed by Engr-in-charge. |
| 37 | S&F of HDPE/PVC strainer inside the multigrade, iron removal softening plant as per existing including taking down old unserviceable one complete all as specified and as directed by Engr-in-charge. |
| 38 | S&F 25mm bore UPVC pipe lincluding taking down old unserviceable one complete all as specified and directed by Engr-in-Charge |
| 39 | S&F 32mm bore UPVC pipe lincluding taking down old unserviceable one complete all as specified and directed by Engr-in-Charge |
| 40 | S&F 50mm bore UPVC pipe lincluding taking down old unserviceable one complete all as specified and directed by Engr-in-Charge |
| 41 | S&F 32mm bore UPVC Elbow as per existing at stie including taking down old unserviceable complete all as directed. |
| 42 | S&F 32mm bore UPVC Tee as per existing at site including taking down old unserviceable complete all as directed. |
| 43 | S&F 32 mm bore UPVC MT as per existing at site including taking down old unserviceable complete all as directed. |
| 44 | S&F 32/40 mm bore UPVC Union as per existing at site including taking down old unserviceable complete all as directed. |
| 45 | S&F 32mm bore UPVC socket as epr existing at site including taking down old unserviceable complete all as directed. |
| 46 | S&F 32/40 mm bore UPVC Bush as per existing at site including taking down old unserviceable complete all as directed. |
| 47 | S&F 32 mm bore UPVC ball valve as per existing at site including taking down old unserviceable complete all as directed. |
| 48 | Repairs to Panel board for pump of any size/ any type by disconnecting and taking out old unserviceable wires and spare parts and rewiring the same with same size of copper wire, replacment of old nut, bolts & washers, painting with one coat of synthetic enamel paint of existing colour including necessary preparation of surfaces including testing and commisioning complete all as specified & directed by Engr-in-Charge.Note:- Quoted rate shall be included for any other Electrical fittings which is required to connecting the panel board. |
| 49 | M&L for PCC (1:4:8) type D-2 using 40mm graded stone aggregate as in foundation base of pvc water tank/path/platform/ base of pump and other similar locations including demoltion of old PCC/broken PCC complete all as specified and as directed. |
| 50 | M&L for PCC (1:3:6) type C-2 using 40mm graded stone aggregate with and including all necessary form work .including demoltion of old PCC/broken PCC complete all as specified and as directed. |
| 51 | M&L for PCC (1:2:4) type B-1 using 20mm graded stone aggregate as in PVC water tank/CI pipe line suporting and other similar location etc with and including all necessary form workand plastering including demoltion of old PCC/broken PCC complete all as specified and as directed. |
| 52 | M&L for cleaning and sterilization of RCC OH water tank size 100000 Gln capacity through bactrological treatment and ultra violet ray in following seven stages including writing the date of cleaning complete all as directed by Engr-in-Charge.(a) To drain out the water by using exit valve or our own high capacity dewatering system.(b) Cleaning all the algae formation inside the tank using a laboratory tested branded chemical of the company and scrubbing the walls of the tanks.(c ) Fresh water cleaning by high speed jet pump.(d) First bacteria screening is desertification by using a Govt Laboretory certified branded halogen compound.(e) Cleaning of the floor of the water tank by industrial vacuum cleaner.(f) The second bacteria screening and streilizing method by using ultra violet ray with in the tank and kills all suspended bacteria.(g) Cleaning the third bacteria screening and strerilize the floor of the water tank by using laboratory certified branded strong oxidizing agent |
| 53 | M&L for water quality test reports for Physical/chemical/batrorigical test by Collecting of water sample for testing form main water receiving of UG sump at BMC pump house at BMC and special sterilized container and submitting to Govt. approved test laboratory as per IS 10500 quality of water suitable for human consumption or not is to be menttioned in microbiological water test report complete all as specified & directed by Engr-in-Charge.Note : Water sample will be collected from all BMC pump house and Testing shall be carried out in a Govt approved testing centre and shall be treated as one job. |
| 54 | S&F Rotational Moulded Polyethylene (HDPE) Water Storage Tank 500Litre Capacity (Cylindrical Vertical with Closed Top), Black in Colour, Three Layered Construction, hoisted and fixed in Position all specified in MES Schedule Part-I including provision of 25mm x 100mm GI nippples with check nuts for inlet, outlet wash and overflow pipe including 15mm bore dia of pipe Ball valves high pressure of PTMT with epoxy coated Aluminum rod & high-density plastic ball screwed for iron pipe and including Lowering of old/unserviceable Water Storage Tank of any description, complete all as specified and as directed. |
| 55 | All as per item No.54.00 here in before but of capacity 1000 ltrs |
| 56 | All as per item No.54.00 here in before but of capacity size 2000 ltrs |
| 57 | Supply and fix in replacement reverse osmosis pressure pump of capacity 100 LPH complete all as specified and directed. |
| 58 | All as per item No.57.00 Here -in- before but for Cap 60 LPH. |
| 59 | All as per item No.57.00 Here -in- before but for Cap 40 LPH. |
| 60 | All as per item No.57.00 Here -in- before but for Cap 30 LPH. |
| 61 | S&F in repair multiple valve of capacity 25/40mm for RO plant including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge. |
| 62 | Material and labour Preparation of old painted surface of existing surface of any description for scraping painting with one coat of Red oxide /black/ white/ Sky blue paint suitable for raising /distribution CI /GI pipeline upto 100mm bore complete all as directed by Engr-in-Charge. |
| 63 | M&L for taking down and repairing the vertical high pressure RO pump set upto 3 HP by cleaning, derusting, and replacment of minior spares i.e impeller key, neck ring, coupling bush and key, nuts bolts, washer,bearing etc. reassembling the pump after m/c work of servicable spares and replacment of new spare parts, testing and commissioning complete all as specified and as directed.NOTE: New Spare parts will be measured and Paid separetly. |
| 64 | Supply only following spare parts for Pump and motor:- |
| 65 | Base plate |
| 66 | Drainage plug assembly |
| 67 | Primary diffuser |
| 68 | Diffuser withj bearing |
| 69 | Medium diffuser |
| 70 | Impeller |
| 71 | Final diffuser |
| 72 | Motor base |
| 73 | Vent plug assembly |
| 74 | Pump shaft |
| 75 | Plug casing ( suc , diffuser) |
| 76 | Material and Labour for rewinding of following capacity electric motor AC 3phase 240/415 volts 50- HZ by taking out old burnt / unserviceable winding from motor and rewinding with super enamelled copper wire of original size / gauge to produce required power, varnishing ,heating and reassemmbling back including replacement of bearing & then testing , commissioning complete all as directed.Note: Bearing cost is deemed to be included in the quoted rate. |
| 77 | Upto 3HP |
| 78 | 5-10 HP |
| 79 | 10-15 HP |
| 80 | 15-22.5 HP |
| 81 | 25-30 HP |
| 82 | Material and Labour for rewinding of submersible motor upto 15 HP by taking out old/ burnt out winding from motor and cleaning the stator, rewinding with super enamelled water proof copper wire of original size/ gauge to produce required power, reassembling back including replacement of bush/bearing complete all as specified and directed. |
| 83 | M & L for Lifting of 10-15 HP non clogging submersible sewage pump with the help of chain pulley alongwith column pipe after diconnecting of electrical and mechanical connection, Cleaning thoroughly & dismantling non clogging sewage pump assembly complete and taking out unserviceable worn out spares overhauling the serviceable spares by derusting, machining and repalcement of minor spares like collaring, Impellar key, oil , tube gaskets nuts, & bolts with washer re-asembling the pump testing commissioning complete after lowering of pump set complete all as directed.(Notes :- (1) Replacement of major parts will be measured & paid separately; (2) Any minor part if required will be provided by contractor without any extra cost. |
| 84 | Supply only following spare part:- |
| 85 | Bearing |
| 86 | Line bush (UBH & LBH) Gun metal |
| 87 | Lock nut S.S |
| 88 | Impeller |
| 89 | Shaft SS |
| 90 | CI collar ring |
| 91 | Bowl Assembly |
| 92 | MS column pipe long both end flange. |
| 93 | Retainer Bearing |
| 94 | Shaft sleevs SS |
| 95 | Lifting and lowering non clogging sewage submersible pump set upto 5 HP from open well of any capacity all as per directed . Note:- One lifting, and one lowering should be measued as one job. |
| 96 | M&L for repairing the non clogging sewage submersible pump set 3-5 HP , cleaning, derusting, and replacment of minor spares i.e impeller key, neck ring, coupling bush and key,nuts bolts, washer, bearing etc. reassembling the pump after m/c work of servicable spares and replacment of new spare parts, testing and commissioning complete.(Notes :- (1) Replacement of major parts will be measured & paid separately; (2) Any minor part if required will be provided by contractor without any extra cost. |
| 97 | Supply only following spare parts for Pump and motor |
| 98 | Suction Bush |
| 99 | Stage Casing Bush |
| 100 | SS Shaft |
| 101 | SS Sleevs |
| 102 | GM Impeller |
| 103 | Stage casing Ring |
| 104 | Ball bearings |
| 105 | O ring |
| 106 | Lifting and lowering of submersible pump and motor from bore well of any capacity upto depth of 50 metres including all T&P complete all as per directed.Note:- one lifting, and one lowering should be measued as one job. |
| 107 | Repairing the submersible pump 25-30 HP by cleaning, derusting, and replacement of minor spares i.e impeller key, neck ring, coupling bush and key,nuts bolts, washer, bearing etc. reassembling the pump after m/c work of servicable spares and replacment of new spare parts, testing and commissioning complete.(Notes :- (1) Replacement of major parts will be measured & paid separately; (2) Any minor part if required will be provided by contractor without any extra cost. |
| 108 | Supply only following spare parts for Pump and motor:- |
| 109 | Suction Bush |
| 110 | Stage Casing Bush |
| 111 | SS Shaft |
| 112 | SS Sleevs |
| 113 | Impeller |
| 114 | NRV |
| 115 | Sort piece with flange |
| 116 | Diffuser |
| 117 | Lifting and lowering of mono block submersible pump & motor from open well of any capacity all as per directed by Engr-in-Charge.Note:- One lifting, and one lowering should be measued as one job. |
| 118 | Dismantling and servicing thoroughly 5-10 HP openwell monoblock submercible pumps set complete and taking out unserviceable worn out spares and overhauling the serviceable spares by derusting etc. and repalcement of minor spares like collaring Impellar key, oil tube, gaskets, nuts, & bolts with washer, bearing and throughly cleaning and re-assembling the pump and testing commissioning complete all as directed by Engr-in-Charge.Note:- Spare parts other than minor spares required to be replaced shall be measured and paid seperately as \"Supply only\" items below. |
| 119 | Bearing |
| 120 | Lock nut Stainless Steel |
| 121 | Impeller |
| 122 | Shaft Stainless Steel |
| 123 | MS Supporting clamp |
| 124 | Dismantling the channel base and taking out the pump & motor of capacity 25-30HP AC 3 phase 415 volt disconnecting the pump motor opening the pump, cleaning derusting thoroughly machining inside body of the pump & repairing by replacement collar rings gaskets, Impeller locknuts shaft key etc re-assembling the pump installtion & testing commissioning complete.(Notes :- (1) Replacement of major parts will be measured & paid separately; (2) Any minor part if required will be provided by contractor without any extra cost. |
| 125 | Supply only following spare parts for Pump and motor :- |
| 126 | SS Shaft |
| 127 | Impeller |
| 128 | Impeller Bush |
| 129 | Pump Bearing |
| 130 | Motor Bearing |
| 131 | Coupling of Pump motor |
| 132 | Dismantling the channel base and taking out the pump & motor of capacity 10-15HP AC 3 phase 415 volt disconnecting the pump motor opening the pump, cleaning derusting thoroughly machining inside body of the pump & repairing by replacement collar rings gaskets, Impeller locknuts shaft key etc re-assembling the pump installtion & testing commissioning complete (Note : Major parts/spares of the pump will be measured & separately)(Notes :- (1) Replacement of major parts will be measured & paid separately; (2) Any minor part if required will be provided by contractor without any extra cost. |
| 133 | Supply only following spare parts for Pump and motor :- |
| 134 | SS Shaft |
| 135 | SS Shaft Sleevs |
| 136 | Impeller |
| 137 | Impeller Bush |
| 138 | Pump Bearing |
| 139 | Motor Bearing |
| 140 | Coupling of Pump motor |
| 141 | Delivery casing |
| 142 | Repair of pump panel board of any size/ any type by disconnecting and taking out old unserviceable wires and rewiring the same with same size of copper wire replacment of nut & bolts with washers,cleaning with blower, painting with existing colour, welding if required testing and commisioning complete all as specified & directed.Note: Any other Electrical fittings connecting to panel board should be measured and paid separately. |
| 143 | Supply and fix in repairs Fully automatic star delta controller with steel enlosure AC 3 phase, 415 volt 50 Hz, relay range 20-33 Amps coil volatge 380V suitable for 20HP-30HP pump motor including dismantling the old unserviceable complete all as directed . |
| 144 | Supply and fix in repairs Fully automatic star delta controller with steel enlosure AC 3 phase, 415 volt 50 Hz, relay range 9-15 Amps coil volatge 380V suitable for 12.5-15 pump motor including dismantling the old unserviceable complete all as directed . |
| 145 | Supply and fix in repairs DOL starter suitable for upto 7.5-10 HP motor,5.5 KW, 3phase, 415 Volts, 9-15 A including complete all as directed . |
| 146 | S&F Single Phase Preventer relay for starter 415V complere all as specified and as directed by Engr-in-charge. |
| 147 | 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 including taking out the old unserviceable one. |
| 148 | S&F PVC insulated water proof 3 core cable suitable for submersible pump set 1100 volts grade with standard copper conductor cable of size 16 sqmm including taking out the old unserviceable one. |
| 149 | S&F Voltmeter meter, digital type, 0-500 V with in-built selector switch, complete with suitable size of CT\"s, including taking down of old unserviceable complete all as specified. |
| 150 | S&F Ampere meter, digital type, 0-500 Amps with in-built selector switch, complete with suitable size of CT\"s, including taking down of old unserviceable complete all as specified. |
| 151 | S&F Volt-Ampere meter,analog type, 500V 60A with in-built selector switch, complete with suitable size of CT\"s, including taking down of old unserviceable complete all as specified. |
| 152 | S&F Indicator lamp, LED type of colour red, blue and yellow including taking down of old unserviceable complete all as specified. |
| 153 | S & F terminal block 100A 3 way for pump motor controller including taking down of old unserviceable one complete all as specified and directed. |
| 154 | S & F in repairs pressure gauge, 100 mm size, fitted on delivery side of pump set , including all necessary items required like ball valve & dismantling the old one complete all as specified and as directed. |
| 155 | Supply and fixing in repairs, bi-metallic overload relay type ML 2/ML3 mounted on the contactor with current carrying capacity ranging from 9-14A/13-21A/20-32A/28-42A complete all as specified and as directed. |
| 156 | S&F 25 mm dia PVC conduit pipe, heavy duty with all fixing accessories including taking town of old unserviceable one complete all as specified and as directed. |
| 157 | S&F 32 mm dia PVC conduit pipe, heavy duty with all fixing accessories including taking town of old unserviceable one complete all as specified and as directed. |
| 158 | Supply & fix in repairs 1.5 Sqmm FRLSH Copper conductor coil for connection in pump house of any pump/motor/panel/starter/ other works of such nature complete all as specified and directed. |
| 159 | All as per item No. 158.00 but using 2.5 sqmm size conductor |
| 160 | All as per item No. 158.00 but using 4 sqmm size conductor |
| 161 | All as per item No. 158.00 but using 6 sqmm size conductor |
| 162 | All as per item No. 158.00 but using 10 sqmm size conductor |
| 163 | All as per item No. 158.00 but using 16 sqmm size conductor |
| 164 | Materials and labour for earthing complete with GI earth plate electrode 60 cm x 60 cm x 6.00 mm thick burried in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to GI strip 4 mm as earthing lead by means of bolts, nuts, check nuts and washers of GI or steel, GI strip proected by 20 mm bore light grade GI pipe and other end connected to earth test point as directed including funnel with watering pipe 20 mm bore light grade galvanised iron, wire mesh, charcoal or coke common salt laid in alternative layer of 15 cm (complete thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1, 50 mm thick pre-cast RCC (1:2:4) type B-1 normal mix cover slab reinforced with 8 mm dia TMT bar 10 cm c/c bothways and single handle of 10 mm dia round bar including necessary excavation, earth work etc. in soft / loose soil and disposal pf soil to a distance n. exc. 50 m and necessary testing on completion all as shown in electrical plate No. 3 MES Schedule Part-I complete all as specified and as directed. |
| 165 | S&F Gun metal vertical check valve/non return valve 100 mm dia heavy duty (ISI marked) thread type includng taking down old unservicable one complete all as specified and directed. |
| 166 | S&F Gun metal vertical check valve/non return valve 50 mm dia heavy duty (ISI marked) thread type includng taking down old unservicable one complete all as specified and directed. |
| 167 | Servicing and maintaining pumping installation by tightening / replacing the gland rope of pump ,replacing rubber coupling , clearing the leakage of sluice valves, NRV\"s, aircock, pressure guage by tightening gland etc. and painting the pumps, NRV, Sluice Valves, pipes at T park comprising of centrifugal pump of different capacity, complete all as specified and as directed. |
| 168 | M & L for dewatering the valve pit chamber, drying, making good with water proofed PCC, scrubbing the valve pit with iron brush ,welding and painting the pit chamber with 2 coats of red oxider primer and one coat of black paint complete all as specified and directed. |
| 169 | M & L for top cover valve pit chamber made of MS sheet & locking arrangement and painting with two coats of synthetic enamel over a coat of red oxide primer including removal of rusted damaged top cover all as specifed & directed with MS frame fabricated by angle of suitable size complete all as specified and directed. |
| 170 | M & L for base of pump motor including fabrication from mild steel including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as approved or indicated or directed including of one primer coat, one under coat and one finishing coat of paint complete all as specified and directed. |
| 171 | M & L for welding work for the broken pipe flanges / pump set base channel including necessary additional required material, checking/correcting the alignment of pumpset including removing & refixing, cleaning the dust, rust and necessary painting all as specified and directed |
| 172 | Development of borewell with suitable capacity compressed air for a period as required but till the sand free water is obtained (sand content of water shall not be more than 10ppm) complete all as specified and as directed. |
| 173 | Construction of brick masonary valve pit chamber of sizse 900 x 900 x 900 mm internal dimension using sub class-\"B\" bricks in CM (1:6) plastering in cement mortar (1:4) externally & internally extended to 15 cm below ground level including PCC bed 10 cm thick in PCC 1:3:6 Type C2 with MS frame fabricated by angle of size 40 x 40 x 6mm complete with top cover of 3 mm thick MS sheet & locking arrangement and painting with two coats of synthetic enamel over a coat of red oxide primer including demolition of old unserviceable damged valve pit complete all as specifed & directed. |