Repair/Maintenance of B Well, FSD Water point, Installation, Pipe lines, valves and allied works at B Reservoir, STPs under GE (Utilities) Udhampur

Amount

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth,foundation etc. or for shafts, wells, cesspits, maneholes, pier holes etc. and taking out/laying of pipe lines of soft/dense soil, complete all as specified and directed by Engr-in-Charge.

Returning, filling, levelling, spreading, watering and well ramming in layers not exc. 25 cm thick, complete all as specified and directed by Engr-in-Charge.

Removing surplus soil not exc 50m and depositing where directed at a level not exc 1.5m above the starting point, complete all as specified and directed by Engr-in-Charge.

Taking up or down old unseviceable GI pipe of size 150 mm dia including all fittings, complete all as specified and directed by Engr in charge .

Refixing GI/CI pipe obtained from Item No.19 above and connections in new or old position (walls, trenches, ceiling and floors etc) of size 150 mm dia complete including main branch connections all as specified and directed by Engr-in-Charge.

Supply & fixing GI pipes of size 150 mm dia, medium grade, galvanized with all fitting such as bends, tees, nipples, union and sockets, clamps etc laid in trenches, under floor/walls etc complete all as specified and directed by Engr-in-Charge.

Taking up or down GI pipe of size bore of pipe 100mm diaincluding all fittings complete all as specified and directed by Engr-in-Charge.

Descirption all as per ser Item No 07.00 here-in-before but of size 50mm dia

Description all as per ser Item No 7.00 here-in-before but of size 40mm dia

Description all as per ser Item No 7.00 here-in-before but of size 25mm dia

Description all as per ser Item No 7.00 here-in-before but of size 20mm dia

Refixing GI/CI pipe obtained from Item No. 07 above and connections in new or old position (walls, trenches, ceiling and floors etc.) of bore 100mm dia. Complete including main/branch connections all as specified and directed by Engr-in-Charge.

Description all as per ser Item No 12.00 here-in-before but size 40mm dia

Description all as per ser Item No 12.00 here-in-before but size 50mm dia

Supply & fixing only GI pipes in repair of bore of pipe 100mm dia, medium grade, galvanized with all fitting such as bends, tees, nipples, union and sockets, clamps etc laid in trenches, under floor/walls etc complete all as specified and directed by Engr-in-Charge.

Description all as per ser Item No 15.00 here-in-before but of dia 50 mm dia

Description all as per ser Item No 15.00 here-in-before but of dia 40 mm dia

Description all as per ser Item No 15.00 here-in-before but of dia 25 mm dia

Description all as per ser Item No 15.00 here-in-before but of dia 20 mm dia

M&L PCC 1:3:6 type C-2 (using 40 mm graded crushed stone aggregate) cement concrete in as in foundation filling of pillar, hardstanding, complete all as specified and directed by Engr-in-Charge.

Supply fabrication and fixing MS joints like Flanged, bends, Tapers, tail piece (any type) caps, plugs for 100 mm to 300 mm bore pipe, complete all as specified and directed by Engr-in-Charge.

Decoupling, disconnecting sluice valve of size 300 mm taking down from pipe line opening all parts, derusting, cleaning, overhualing comprising of repairs/replacement of unserviceable parts of sluice valve and taking to workshop (if reqd) for repairs. Reassembling of sluice valve and fixing on its original position. complete all as specified and directed by Engineer-in-charge. Note :(i) Loading/unloading & transportation charges shall be deemed included in the quoted rates. (ii) S&F of spare parts shall be measured and paid separately under respective item

(a) Stem bush bronze

(b) Gland flange cast iron

(c) Stud/Bolt carbon steel

(d ) Stem nut/chaknut

(e) Stem Stain less steel

Decoupling, disconnecting sluice valve of size 250 mm taking down from pipe line opening all parts, derusting, cleaning, overhualing comprising of repairs/replacement of unserviceable parts of sluice valve and taking to workshop (if reqd) for repairs. Reassembling of sluice valve and fixing on its original position. complete all as specified and directed by Engineer-in-charge. Note :(i) Loading/unloading & transportation charges shall be deemed included in the quoted rates.

Decoupling, disconnecting sluice valve of size 200 mm taking down from pipe line opening all parts, derusting, cleaning, overhualing comprising of repairs/replacement of unserviceable parts of sluice valve and taking to workshop (if reqd) for repairs. Reassembling of sluice valve and fixing on its original position. complete all as specified and directed by Engineer-in-charge. Note :(i) Loading/unloading & transportation charges shall be deemed included in the quoted rates. (ii) S&F of spare parts shall be measured and paid separately under respective item

(a) Stem bush bronze

(b) Gland flange cast iron

(c) Stud/Bolt carbon steel

(d ) Stem nut/chaknut

(e) Stem Stain less steel

Decoupling, disconnecting sluice valve of size 150 mm taking down from pipe line opening all parts, derusting, cleaning, overhualing comprising of repairs/replacement of unserviceable parts of sluice valve and taking to workshop (if reqd) for repairs. Reassembling of sluice valve and fixing on its original position. complete all as specified and directed by Engineer-in-charge. Note :(i) Loading/unloading & transportation charges shall be deemed included in the quoted rates. (ii) S&F of spare parts shall be measured and paid separately under respective item

(a) Stem bush bronze

(b) Gland flange cast iron

(c) Stud/Bolt carbon steel

(d ) Stem nut/chaknut

(e) Stem Stain less steel

Decoupling, disconnecting sluice valve of size 100 mm taking down from pipe line opening all parts, derusting, cleaning, overhualing comprising of repairs/replacement of unserviceable parts of sluice valve and taking to workshop (if reqd) for repairs. Reassembling of sluice valve and fixing on its original position. complete all as specified and directed by Engineer-in-charge. Note :(i) Loading/unloading & transportation charges shall be deemed included in the quoted rates. (ii) S&F of spare parts shall be measured and paid separately under respective item

(a) Stem bush bronze

(b) Gland flange cast iron

(c) Stud/Bolt carbon steel

(d ) Stem nut/chaknut

(e) Stem Stain less steel

Supply and fix in replacement cast iron sluice valve of 300 mm dia (PN 1.6) ISI Marked with iron wheel head both end flanged, steel spindle, non rising type complete with neoprene rubber gasket, nuts, bolts and washers etc, including taking down the old existing complete all as specified and directed by Engr-in-Charge.

Description all as per ser Item No 27.00 here-in-before but size of 250mm dia.

Description all as per ser Item No 27.00 here-in-before but size of 200mm dia.

Description all as per ser Item No 27.00 here-in-before but size of 150mm dia

Description all as per ser Item No 27.00 here-in-before but size of 100mm dia

Description all as per ser Item No 27.00 here-in-before but size of 80mm dia

Description all as per ser Item No 27.00 here-in-before but size of 50mm dia

Supply and fix in replacement of cast iron air release valve with two air outlets of size 100 mm dia including all jointing materials like high pressure rubber gasket nuts, bolts, washers with arrangement for fixing, including taking down complete.Item Code No/ Size CI 026/N Make: Leader or equivelant in Kirloskar/BVI/BIR. Complete all as specified and directed by Engr-in-Charge.

Description all as per ser item 34.00 here-in-before but of size 80 mm dia and Item code No/ Size CI 026/L

Material and labour for spraying herbicide (Round up) on area to remove unwanted vegitation/grass at various locations as directed by Engr-in-Charge

Material and labour for shifting heavy items /using excavator / cleaning areas / cleaning site by providing crane/hydra/excavators/tractors/trolley ect as required at site complete, all as specified and as directed.

Supply and fixing leather gasket including replacement old UNSV gasket for 300/250 mm complete all as specified and directed by Engr-in-Charge.

Supply and fixing leather gasket including replacement old UNSV gasket for 200/150 mm complete all as specified and directed by Engr-in-Charge. .

M&L for repair to leaking run lead joints in CI/DI spigot and socket end pipe line of 300 mm bore by providing new lead ,using good quality spun yarn, including necessary excavation, returning filling in trenches in any type of soil,bailing out water, and at any depth complete all as specified and directed by Engr-in-Charge.

Material and labour for repair to leaking flanged/circular welding joints of 250 to 300 mm bore MS/GI pipe line by providing rubber or fiber board gasket, new flanges if required at site, nut bolts, washers and welding works where required etc, including necessary excavation, returning filling in trenches in any type of soil, bailing out water, and any depth complete all as specified and directed by Engr-in-Charge.

Material and labour for repair to leaking flanged/circular welding joints of 100 to 200 mm bore MS/GI pipe line by providing rubber or fiber board gasket, new flanges if required at site, nut bolts, washers and welding works where required etc, including necessary excavation, returning filling in trenches in any type of soil, bailing out water, and any depth complete all as specified and directed by Engr-in-Charge.

Supply and fix Gland packing type 3 of size 12 mm made of asbustus grip with silicon complete all as specified and as directed by Engr-in-Charge

Supply only lithium base grease AP3 in 20 Kg pack suitable for application to ball bearing with operating temp 30 to 120 degree celsious drop point 174 degree celsious, colourlight fawn complete all as specified and as directed by Engr-in-charge. Make: Servo ( IOC)/Bhart petrolium/Castrol or equivalent make approved by E-in-C's Branch.

Supply only lead wool /spunyarn for jointing the CI pipes complete all as as specified and directed by Engr-in-Charge.

Supply only leadl for jointing socket and spigot CI pipes complete all as as specified and directed by Engr-in-Charge.

Demolition of existing valve pit chamber , M&L for masonry valve pit of size 900x900x900mm internal size complete with excavation, earth work and brick work in CM 1:6, 15mm thick plastering in CM 1:4 internally including 5mm thick MS Sheet cover and angle iron frame of suitable size and two coats of synthetic enamel paint over one coat of red oxide primer complete with locking arrangement complete all as specified and directed.

M&L for Premix ready mix road repair patching compound for instant road repair manufactured with a blend of bitumen, aggregates and high grade polymer to ensure immediate bonding with existing surface available in bag of 25 Kg.

Supply and fix in replacement of gun-metal, globe or gate valves, 50mm dia , heavy duty, with iron wheel head, screwed both ends (ISI marked), including taking down the old existing complete all as specified & directed by Engr-in-Charge.

Description all as per ser item 49.00 here-in-before but of dia 40 mm gate valve.

Description all as per ser item 49.00 here-in-before but of dia 25 mm gate valve.

Description all as per ser item 49.00 here-in-before but of dia 20 mm gate valve.

Description all as per ser item 49.00 here-in-before but of dia 15 mm gate valve.

Material and labour for taking down by scraping and preparation the surface of the pump and motor with sluice valve and NRVs at B well including repainting one coat of super quality of black enamel paint with one under coat of primer , etc complete all as specified and directed.

Material and labour for fabrication of MS sheets ,angle iron in replacement of old pit cover with necessary welding work and one coat of red oxide primer to the welded works and painted with black enamel paint complete all as specified and directed by Engr -in - Charge.

Supply &fixing for compact universal Stequa 411 AE refill applicator of the following specification:Multy-cavity 100 L water treatment sanitattion with propotional dose adjustment option Diaphragm free, tube based self priming fluid delivery drive unit to prevent air/vapour locks and dry run problems. Prime loss : Zero.Agiator free system to prevent environmental corrosion,Fluid release upto 5 LPH independent of back pressure upto 7 bars.Erosion enabled system for controlled release of chlorine with accurate output reproducibility integrated plug & play system operating on single phase 230V 50Hz power source. Make Declibac or equivalent.

Suply only plastic cylindrical disposable sanitiser refill containing solid chlorine for disinfection of dinking water, with arrangement for controlled release of disinfectant in water,suitable for operation through recommended dosing system.Replacement indication: visual & weight variation.Water contact orfice design : sealed when dry,exposed upon immersion.Operation type: Non contact,non inhalatory. Cylinder dia: 2.5 inches plus or minus 0.5 inches. Cylinder height: Minimum 10.00 inches (+ or -) 0.5 inches complete all as specified and directed by Engr -in - Charge. Make (declibac or equivalent)

Repair and overhauling of Water Softing Plant of capacity 10,000 GPH of size 1625mm dia ,3250 mm height by carrying out the following works :-

Opening of manhole cover, hand hole cover & pipe line by taking out / cutting the old rusted MS bolts, nuts & washers etc & keeping in safe custody, taking out the exhausted filtering media, PVC strainers and disposal of exhaust media out side the campus, including dismantling of unserviceable PVC strainer by scrapping inside the Softing vessel. Refixing the man hole cover, hand hole cover and pipe line etc including provision of fixing material i.e. rubber gasket, nuts, bolts and washer etc and testing on completion, complete all as specified and directed by Engr -in - Charge.

Cleaning and scrapping the inner periphery of the vessel and flushing out with fresh water to remove the traces of the defused resin, rust etc, complete all as specified and directed by Engr -in - Charge.

Supply and filling new life filter media of i.e. graded gravels fine / course and special quartz filter and source Breaker as existing complete all as specified and directed by Engr -in - Charge.

Supply and fixing of Strainers of qty in each filter complete all as specified and directed by Engr -in - Charge.

Material and labour for painting of inner surfaces of the vessel with two coats of Anti Corrosive Black paint suitable for drinking water purpose over one coat of primer.

Material and labour for painting of outer surface of the vessel with two coats of synthetic enamel paint all as directed.

Rubber gaskets

Material & labour for dewatering the dug well by means of submerssible pump and empty the well of all water.If sludge is present use raw water pump for handling solids.Remove all sludge and debris from the bottom and apply chlorine solution to the walls and scrub with a long handled brush to remove algae,slime and mineral buildup.Repair any cracks in the well lining with a stiff mortar.Prepare a chlorine solution and add it to the well water for disinfect the well.Allow the the solution to stand several hours to kill bacteria effectively. Dewater the well and allow the well to recharge and test the residual chlorine level.If it is too high repeat the dewatering and recharging process untill the level is acceptable. After disinfection water will be tested by a certifed lab for bacteriolagical and other contaminants test complete all as specified and as directed by Engr-in-Charge.

Dismantling and taking down old unsv LT Panel and Supplying, installing, testing & commissioning indoor type cubical panel board outer shell made out of 3.15 mm thick CRCA sheet and inner shell made out of 2 mm thick and MS angle section 50x50x6 mm suitable for floor mounted with nuts & bolts , frame factory fabricated with front and back openable double door system and cable alloy (Each door hinged with body at 3 places with body and hinges should be welded with body and door) lockable/openable with arrangement of pad locking on both doors incl 2 no. of pad locks of three keys shall be used to make the outer shell completely vermin proof suitable for 3 phase 4 wire 415 Volt, 50 Hz, incl Copper bus bar of 400 A , tested at factory approved from CPRI factory fabricated having modern fabrication and testing process followed by powder coat painting having thickness not less than 100 microns provided with suitable gasket to make it dust/vermin proof and general construction confirming to IS:8623/93 comprising of the following :-

Supply and fixing MCCB 250 Amps, 36 KA 4 pole 415 Volts AC, adjustable type, complete (incoming)-01 Nos.

Out going MCCB TP 100 Amps 36 KA adjustable type - 3 Nos

Star Delta starter with contactor for 40 HP 02 Nos

Interconnection of MCCBs , to Busbar with copper strip of suitable size with PVC insulated colour coaded heat shrinkable type sleeves - 1 Job

RYB indication LED type, 22.5 mm dia, protected with MCB SP 2 Amp showing 3 phase supply -03 Nos

Single phase preventer , Over load /under voltage relay , Phase sequence corrector 01 job

Misc items like screws, cable tie, copper cable 1.5/2.5 Sqmm, cable lugs, sleeves, cable glands etc complete

Note : (i) The quoted rate shall includes minor items such as lugs, nuts & bolts, washers, top insulators, sleeves, provision of extra holes in bus bar etc. (ii) All internal wiring shall be done with suitable size of PVC insulated solid copper conductor FRLS cable conforming to IS-694. (iii) Panel drawing shall be got approved before placing of order from Engr-in-Charge/GE. (iv)The bus connection for cable from main bus bar to outgoing MCCB will be connected through suitable rating bus bar strip type duly insulated (v) Cable will be entered in panels through gland. (vi)Cost of marking description on the front door as per direction of Engr-in-Charge is incl in quoted rate.

Supply and laying, connecting and testing XLPE underground cable insulated, and overall sheathed with aluminium conductor heavy duty 1100 volts grade 150 sqmm 3.5 core laid in trenches/ on poles/ road crossing or passing through existing/new pipe under road crossing, clamping on wall etc. Note: (i) Earth work, sand, bricks , removing, returning filling Aluminium thimbles/lugs will be paid separately. (ii) Cost of laying electrical cable through new/existing pipe under road, buildings, railway tracks, highways are incl in the quoted rates. (iii) All equipments , machinery or tools if required for laying electrical cable through new/existing pipes are provided by the contractor without any extra cost.

M&L in replacement for 1100 volts grade heavy duty cable PVC insulated solid aluminium conductor, served with inner sheathing of PVC tape and overall PVC sheathed in service connections suspended by insulating hangers not more than 1 metre apart including 4 mm GI suspension wire, one twin core cable flat or circular of size 10 sqmm 2 core complete all as directed by Engr-in Charge.

Supply & fixing in replacement of Integral LED Flood light Luminaries 100 Watts consisting of suitable number of LEDs and mounted on MCPCB high pressure die cast aluminium housing with sealed toughened glass cover with secondary optics lens, IP 66 protection suitable for mast light mounting, 5700K, LED efficiency >130 lm/Watt and system efficiency 110 lm/W , 240 Volts AC, 50 Hz, CRI>70% operating voltage range 160 V-270 V, Power factor> 0.95, working temperature range -10ºC to 50ºC,built in surge protection of more than 10 kV , Confirm the tests from auth labs : LM79 & LM 80, incl proper fixing and testing of flood lights on 9/11 mtr long steel tubular pole /bldgs and provide facility of power supply shall be provide as suitable for maint work of light fittings incl make proper connection of new and existing light fittings complete with cutting , welding , drilling holes, nut bolts, washer complete all as directed by Engineer-in-charge.

Material and labour for fabrication, supply, fixing and commissioning signage boards for installations of size not less than 1.0M x 1.0M made out of ACP sheet of 3mm thickness with english alphabets and numerics cut out and designed out of 3mm thick acrylic sheet neatly pasted on the ACP board with MES logo ,framed and standed in stainless steel,both legs of height 1.5M above the ground level and embeded in pcc 1:4:8 (45 cm below GL)l with necessary fixing arrangement as per the site requirement complete all as specified and as directed.. Note:- (a) Before fabrication of the display board, the contractor has to produce a paper printout detailing all documents and matter to be displayed so as to get it inspected and passed by Engr-in-charge. (b) Matter to be displayed, colour of the ACP sheet and colour of Retro Reflective sheet will be as specified and directed by Engr-in-Charge. (c) The quoted rate is deemed to be inclusive of cost of labour and materials required for fixing of the display board at various locations.

Supply and laying in replacement of synthetic rubber insulated mats 10 mm thick for voltage upto 3.3 kv for electrical purpose as per IS 15652-2006,( superseding IS 5424) suitable for electrical shock safety of sizes 2mx1m

M&L in repairs for opening of faulty / defective servo voltage stabilizer of cap 100 KVA 415 volts opening the top cover of servo voltage stabilizer, carrying out the repairs /works listed at serial No. (i) to (xi) below

Taking out the core/coil of servo voltage stabilizer from tank , After dismantling of servo voltage stabilizer and physical joint inspection of core coil assembly washing of core assembly by hot oil for removing brunt carbon and copper particles and cleaning of complete top by oil

Painting inside of the servo voltage stabilizer with yellow paint and outside body with synthetic enamel paint of existing tint/color Cleaning inside of the servo voltage stabilizer by using oil.

Refixing/ reassemble of complete core assembly and core coil assembly providing new coils including requisite insulation material including heating up the core assembly to remove moisture after carrying out the repairs works .

Renewal of rubberized gasket set for top cover.

Refilling of the decanted oil after centrifuging and testing for required di-electric strength.

Refixing the top cover with nuts, bolts and washers and ready for final testing all as directed in presence of rep of MES.

Preparing Inspection report for renewal of parts etc in presence of Engineer - in- charge and Contractor.

The contractor shall arrange factory visit for the Engineer - in- charge or his representative as and when required, testing of voltage stablizer to be done on full load at factory.

Soldering/ brazing or connecting with suitable size nuts, bolts and washers

Providing necessary insulation papers, sleeves, PVC pipes insulation sheet etc.

Renewal of worn out nuts, bolts and washers:-

Supplying and filling/topping up transformer oil low viscosity, dielectric strength 35 to 40 KV breaking voltage for topping up servo voltage stabilizers duly centrifuging including filter action by using automatic centrifuging machine to achieve min 35 to 40 KV breaking capacity at 4 mm gap by absorbing and abolishing all sludge particles for use as per BS-B-66-1983 complete all as specified and directed by Engr -in Charge.

Material and Labour in repairs for rewinding dimmer/transformer with copper wire DPC/super enameled high quality matching with existing gauge and impedance including requisite insulating paper/material in each layer of winding after taking down old existing winding of coils of servo voltage stabilizer complete.

M&L for on line Dehydration/filtration of Servo Voltage Stabilizer oil including filtration using automatic centrifuging machine minimum three cycles to achieve dielectric strength 40 to 60 KV breaking capacity at 2.5mm gap by absorbing and abolishing all sludge particles as per BS-66-1963 including topping up with new transformer oil as required complete all as specified & directed. Note- (i) Centrifuging Machine with all T&P & testing machine of oil required for dehydration shall be arrange by contractor. (ii) topping up oil for the stabilizer will be measured & paid separately as supply only under respective item of this Sch.:

M& L for dismantiling and shifting of 30 HP pump and motor from JNE oht /Bres to B Well by means of transport and fixing the same on the plinth by providing new pcc 1:3:6 and fixung the bolt with frame and getiing the allignment of pump and motor connecting to the suction & delivery ,neccessary welding works ,Motor connection with starter ,testing complete all as specified and as directed by Engr in Charge.

Material & labour for servicing of diesiel engine driven pump 40 HP with draining out of engine oil and top up with new oli and replacement of oil filters, fuel filter ,air filter, cleaning of radiator and topping up with new coolant, tightening of all nut and bolt complete all as specified and as directed.

Material & labour for replacement of battery 12V 90AH for diesel engine pump 40 HP complete all as specified and as directed.

M& L for repair/Maint of self starter 12 V suitable for DG set Capacity 40 HP replacing the self from the DG set and shifting the starter to workshop and repairing the defected parts and refixing the self starter after repair complete all as specified and as directed.

M & L for loose filling in substations for preventing the vegetation , under poles, under transformers of hard core broken to gauge not exc 63 mm broken stone/boulders incl leveling and spreading llime stone powder under stones complete all as per direction of Engr-in-Charge.

S & F in repair/replacement of monoblock self priming pumping set suitable for electric driven 415V, AC, 50 Hz, 3 Pole suitable for 65/50 mm dia sucton /delivery complete of capacity 5HP/3.7 KW, 1, steel body, discharge 700 LPM at 42 Mtr Head, including provn of suitabled size connecting piece/distance piece suitable to connect the pump with pipe & necessary arrangement for welding/fixing with pump end including copper conductor cable 6sqmm 3core 50mtr with DOL Starter complete all as specified and directed by Engr-in-Charge.

S & F in repair/replacement of submerssible pumping set suitable for electric driven 415V, AC, 50 Hz, 3 Pole suitable for 50 mm dia delivery complete of capacity 3HP stainless steel body, discharge 170 LPM at 70 Mtr Head, including provn of suitabled size connecting piece/distance piece suitable to connect the pump with pipe & necessary arrangement for welding/fixing with pump end including submerssible copper conductor cable 6sqmm 3core 50mtr with DOL Starter complete all as specified and directed by Engr-in-Charge.

Material & Labour for submerssible copper conductor 4Sqmm 3core flat PVC water resistant conforming to Is 694 complete all as specified and as directed.

Material & Labour for DOL starter 5 HP suitable for 3 Phase 415V -440 V,contactor,thermal over load relayand start/stop buttonwith enclosure complete all as specified and as directed.

Material & Labour for microprocessor based silver ionization plant 25000 LPH having consistent current technology based on oligodynamic technology including set of electrodes in amild steel 16 SWG cabinet made of CRCA sheet industrial grade powder coated in two division. Upper division is for control panel and lower division is for electrode chamber,feeder pump, electrodes and flow meter. The control panel should display dosing through 7 segment display and LED sowing pump ON,electrode active, dosing low, dosing high. The stainless steel housing should be made of corrosion free SS-304 grade.The pipe line of input and output connection must be welded with leak proof argon welding technology the electrode cap should be made of tefflon polytetrafluorethylene nut bolted with stainless steel housing. Input water should be passed through IS:779 certified water flow meter which ensures the flow of water through each and every electrode chamber.The flow of water should be controled with SS-304 grade ball valves.The feeder pump of suitable size must be installed inside the cabinet. Silver/silver copper made from 99.9 % pure silver/ copper after proper metrological treatment and chemical treatment of disinfection. this silver electrode will be fixed on aPVC/nylon strips with cap and rubber O ring which will be non toxiic to humans complete.

M&L for earthing complete with galvanized steel earth plate electrode 60 cm x 60 cm x 6.0mm thick buried directly in ground, (Earth pit not less than 2.25 mtr deep below ground level) with top edge of plate not less than 1.5 mtr below normal ground level, connected to galvanized iron strip 32 x 6mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanized standard iron or steel all as specified or indicated in electrical plate no 3 of MES Part-I including testing on completion including the material and labour of the following, complete all as specified and directed by Engr-in-Charge :- (a) Excavation and earth work for drilling hole for electrode in any type of soil. (b) PCC pit in cement concrete 1:2:4 type B-1. (c) Precast RCC cover with suitable handle 40 mm thick in PCC 1:2:4 type B-1, reinforced with welded steel wire fabric weighing not less than 1.87 kg/Sqm. (d) Fannel with watering pipe of GI 20mm nominal bore medium grade and copper lugs etc all as specified. (e) 15 mm nominal bore light grade GI protection pipe 7.5 mtr long for protection of earthing lead form mechanical injury or tempering. (f) Requisite quantity of common salt and charcoal. (g) Testing of earthing. Note: On testing after completion of earthing. If the desired earth resistance is not obtained, the earthing will be re-done by the contractor at his own risk and cost to the entire satisfaction of the Engineer-in-Charge.

ATUL TRADING CO (BID ID -3519652)

SHARMA SALES CORPORATION (BID ID -3521012)

BARU ENTERPRISES (BID ID -3516165)

M/S DHARAM & SONS ENTERPRISES (BID ID -3525545)

PAUL TRADERS (BID ID -3520976)

K S BUILDERS (BID ID -3526113)

PROACH ASSOCIATES BUILDERS & ENGINEERS (BID ID -3519490)

slathia construction works (BID ID -3521023)