REPAIR AND MAINTENANCE OF CHLORONOME PLANTS, REVERS OSMOSIS PLANTS AND SUPPLY OF CHLORINE GAS, WATER TREATMENT CHEMICALS, REPAIR/ MAINT AND REPLACEMENT OF PUMP SETS, CONTROL PANELS, SWITCH MOTOR PROTECTION PANELS,CABLE UNDER GE (AF) TAMBARAM.

Amount

REPAIR/MAINTENANCE OF CHLORONOME PLANT :Repair, maintenance and servicing of chloronome plants gravity feed type of make satya sai aqua pura services of the following installation including necessary testing for proper functioning after servicing and fixing of spares all as specified and directed by Engineer-in-Charge. Note : Spares / items required for chloronome plant shall be measured and paid separetely under relevant item.

MES complex pump house

One lakh gallon pump house

C tank pump house

Swimming pool and AD200 well

Golden jubilee pump house

4 well pump house

New booster pump house at Madambakkam

Old booster pump house at Madambakkam

Pump house at Narendra place

Pump house at 9 P&S pallavaram

Supply only PVC heavy duty water bend suitable for the chlorine plant

Supply only mixing chamber of PVC with glass tube of existing size , glass orifice tube, PVC water tube, rubber 'O' ring, rubber bush and scale complete for chlorine plant.

Supply only PVC heavy duty NRV gas bend including fittings for chlorine plant all as specified and as directed.

Supply only Secondary filter with NRV and including fittings for chlorine plant all as specified and as directed.

Supply only PVC heavy duty gas bend (safey loop) including fittings for chlorine plant all as specified and as directed.

Supply only Primary filter heavy duty including fittings for chlorine plant

Supply only diapharm type pressure gauge with teflon packing including fittings for chlorine plant

Supply only TEFLON or HDP gas connecting pipe dia 9.5mm length 1.5m with nuts and bushes to be fitted including fittings for chlorine plant

Supply only Orifice glass tube with NRV including fittings for chlorine plant

Supply only MOISTURE glass tube including fittings for chlorine plant

Supply only GLASS NRV value including fittings for chlorine plant

Supply only PVC heavy duty ball valves diaphragm type 15mm dia inlet/outlet including fittings for chlorine plant

Supply only PVC air releasing valves 15mm dia including fittings for chlorine plant

Supply only Glass Rotometer 2 Kg / hr capacity with assembly for chlorine plant

Supply only orthotolidine solution 500 ML for testing chlorine content all as specified and as directed.

Supply only chlorine test kit for testing chlorine content all as specified and as directed.

Supply only solutioniser with nut and outlet connection suitable for chlorine plant

Supply and fix hylem sheet panel board to replace the plant all as specified and as directed.

Supply of liquid chlorine gas conforming to IS 646 in Departmental cylinders of capacity 100 kg per cylinder including transpotation of empty cylinders collecting from various E/M installation under GE ,Air force station,Tambaram to Authorised filling / testing point at Erode ,Tamilnadu and getting it filled (refilled) with chlorine gas and depositing back to various E/M installation under GE Air force station, Tambaram including all necessary testing of re-filled cylinder like leakage test etc complete all as specified and directed. Note for Sl. item No 20: (a) Empty chlorine gas cylinder duly weighted shall be issued on loan issue voucher for supply and filling chlorine gas.Filled chlorine gas cylinder shall be weighted and deposited at E/M installation. (bi) Quoted rate shall be inclusive for connecting cylinder to chlorine plant and chlorine gas result should be 0.5 PPM at operator end and 0.2 PPm at receiving user end. (c) The payment shall only be allowed after production of original GST purchase vouchers from Authorised dealers. (d) Necessary IV/RV duly showing cylinder Serial No and capacity of cylinder shall be shall be attached in final bill duly signed by Engineer-in-Charge. (e) All safety precaustionery measures shall be taken while handling cylinder as per repective IS

M&L for Defusing/neutralising un-used chlorine gas cylinder&watering using hydrolated lime & soda as required with safety kit and tools for further disposal all as specified and directed

M&L for replacement of defective cylinder valve of 100kgs capacity chlorine including neck ring ,ISI marked all as specified and directed.Make: Techno or as approved.

M&L for Hydraulic testing and replacement /servicing of valves as per norms with test certificate for chlorine gas cylinders of capacity 100 kg per cylinder complete including transportation to approved factory and testing as directed

M&L for painting to chlorine gas cylinder externally with two coats of synthetic enamel paint of yellow colour over a coat of red oxide primer including after preparation of surface by removing old paint by paint remover/scrapper and writing the SR No of cylinder and formation name in black paint complete all as specified and directed by Engineer-in-charge

Supply only ammounia solution bottle 500ML for chlorine plant all as specified and directed

Supply install,testing industrial gas cylinders 84 litres(watercapacity) conforming to IS:3196 (Part-IV) with valves conforming to IS:3224, sealing cap and guard for chlorine, the cylinders are subjected to hydrostatic stretch test at a pressure of 4.46 MPa (45Kgf/cm2) and with manufactures BIS test certificate all as specified and as directed. Make: M/s Jai Anjaneya Gas Containers Ltd. or as approved by GE.

REPAIR / MAINTENANCE OF RO PLANTS :

M&L for replacement of chemical dosing pumps, single phase 230 volts, 50Hz with connecting wire for plant to pumping the solution complete all as specified and directed

Supply and top up chemicals such as sodium mete bisulphate, sodium hypo chloride, antiscallant and PH correction complete as required level for entire contract period all as specified and directed

Material and labour for changing and washing of activated carbon media and replacement of new sand including testing of RO plant complete all as specified and directed

Supply and replacement of cartridges for the RO plant to filtering the water inside the plant water chamber complete all as specified and directed

M&L for servicing, cleaning of membrane including required chemicals for cleaning complete all as specified and directed

M&L for monthly servicing and testing of 5000 LPH RO Plant all as specified and directed.(for RO plant two Nos at Golden jubilee and Near chauhan mess.)

M&L for adding bleaching powder suitable Grade -I confirming to IS 1065/89 (Second revision ) minimum available chlorine 33.5% by mass packed in HDPE of 25 Kg capacity after at operator end adding of chlorine result should be shown in pump house 0.5PPM and receving user end 0.2PPM all as specified and directed .

M&L for supply and adding sodium hypo chloride liquid (Grade-I) (35 ltr content range 4-6%W/V basis) in sump after the adding of sodium hypo chloride liquid result should be shown to operator in pump house 0.5PPM and receving user end 0.2PPM all as specified and directed .

M&L for adding alum suitable Grade -I confirming to IS 1065/89 (Second revision ) mass packed in HDPE of 50 Kg all as specified and directed .

Material and labour for stripping out squirrel cage, induction motor, 3 phase 415 volts AC 50 c/s starter and rotor cleaning up internally and externally including removing old burnt copper wire, wornout bearing and rewinding with new copper wire,Including necessary transpotation to workshop and bring back to the installation assembling testing and commissioning of motor capacity 5 HP, 3 phase, 415 volts, 50 c/s. complete all as specified and directed

Material and labour for stripping out squirrel cage, induction motor, 3 phase 415 volts AC 50 c/s starter and rotor cleaning up internally and externally including removing old burnt copper wire, wornout bearing and rewinding with new copper wire,Including necessary transpotation to workshop and bring back to the installation assembling testing and commissioning of motor capacity 7.5 HP, 3 phase, 415 volts, 50 c/s. complete all as specified and directed

Supply and fix electronic overload relay suitable for 5 to 10HP submersible pump all as specified and directed .

S&F in repair single phase preventer Make: Minilec(VSP-3) / L&T or as approved.

Supply and fix inrepairs MCB TPN, capacity 32 Amps, 10 KA suitable for LT panel board including dismantling existing unserviceable MCB complete all as specied and directed.

Supply and fix MCCB TPN 63Amp,25 KA, 415 volt,fixed in repair on existing panel board including dismantling existing unserviceable MCCB complete all as specied and directed.

S&F contactor for Star Delta starter 440 volts, 50 Hz, 16 Amps suitable for 7.5/10 HP capacity, 3 phase, AC, induction motor all as specified and directed.

M&L for painting of following pump sets including material labour for painting two coats of synthtic enemel over exisitng pump set upto 7.5HP all as specified and directed by Engr in charge.

Supply,install,testing commissioning Chemical dosing system plunger type suitable to inject solution upto 25 LPH comprising dosing pump coupled with three phase electric motor of capacity 0.5 HP,1440 RPM,415V,50Hz, assembly with agitator in one motor, agitator with SS sweep blade duly FRP coated, FRP tank 150 litres capacity, working pressure 10Kg /sqcm,adjustable output 5% to 100%,2.5% increments,self priming continuous dosing complete unit mounted on heavy duty MS fabricated frame duly anticorrosive paint complete with Chemical grade PVC NRV. all as specified and as directed. Make: Sathya sai aqua pura services. (Model No.SSAPS/CDSPT/25) / Perfect chloro system or as approved by GE.

Supply and lay UPVC pipe 20mm dia heavy duty gde including fittings, for inlet and outlet connections of dosing pumps including connections with ferrules in delivery water pipe lines, fixed on wall,floor, in trench all as specified and directed

M & L for circuit/sub main wiring complete with four runs of 4.0 Sqmm single core FRLS PVC insulated unsheathed cable 1100 volts grade with multistranded copper conductor drawn through and including PVC casing caping and accessories on surface of wall roofs etc with two runs of 2.5 Sqmm of PVC FRLS copper cable for earth continuity all as specified complete taking connection from existing panels all as specified and as directed by enginee- in- charge.

M&L for Fabrication,install,commissioning and testing of LT cubical motor starter panel board of size not lessthan 1.0x0.75x.30mtr, three phase 4-wire systems,out door type, made out of CRCA sheet 3.0 mm thickness, powder coated, double door,with locking arrangements,mounted on ISMC 75 on PCC plate form including control wiring complete , necessary PCC 1:3:6 staging for panel etc including taking down existing unserviceable panel complete all as directed to suitable to accommodate the following:- ( Locations:-Runway end well, Old Shastri well, No.2Well, 28 Offrs Sewage Instlls, MES Gate well, Golf Well and New Range well) (a) MCCB 63 Amps, 10 KA, 4 pole, 415 volts with thermal based release - 01No (incoming). (b) MCB 32 Amps,TPN pole,415 volts - 02 Nos.(for starters). (c) Multi functional digital meter for voltage, ampere, frequency etc,3phase,4 wire system with CTs - 01 Set.

SL. ITEM NO. 49 CONTD/...(d) Indicating lamps LED type R,Y,B and main ON,over load trip etc.-07 Nos. (e) Copper bus bar of capacity 200 Amps size 40 x 3 mm -04 Nos. (f) Star delta starter for submersible pumps upto 32Amps rating.-02 set. (g) Single phase preventor -02 Each. (h) Over load relay -02 Each. (j) Timer set -02 Each. (k) Push button and rear connections for ON/OFF -02 Each.

Supply and fix in repairs Multi functional digital meter for voltage, ampere, frequency etc, 3phase, 4 wire system with CTs including taking down existing unserviceable meters complete all as specified and as directed.

Supply and fix in repairs contactor(MNS 18) for Star Delta starter 440 volts, 50 Hz, upto 32 Amps including taking down existing unserviceable all as specified and directed. Make: L&T or as approved.

Supply and fix in repairs electronic overload relay(MN) range from 7.5 to 14 Amps including taking down existing unserviceable all as specified and directed . Make: L&T or as approved.

S&F in repair single phase preventer including taking down existing unserviceable all as specified and directed . Make: Minilec(VSP-3) / L&T or as approved.

Supply and fix inrepairs MCB TPN, capacity 32 Amps, 10 KA suitable for LT panel board including dismantling existing unserviceable MCB complete all as specied and directed.

Supply and fix MCCB TPN 63Amp,25 KA, 415 volt,fixed in repair on existing panel board including dismantling existing unserviceable MCCB complete all as specied and directed.