REPAIR AND MAINTENANCE OF CHLORONOME PLANTS, RO PLANTS , SUPPLY OF WATER TREATMENT CHEMICALS AND REPAIR / MAINT , REPLACEMENTS OF PUMP SETS CONTROL PANELS, SWITCH GEAR, MOTOR PROTECTION PANELS, CABLE ETC UNDER GE (AF) TAMBARAM

Amount

Supply of Calcium hypochlorite 65% to 70% Chlorite content in granular form (Calcium based Granular disinfectant for water treatment (Drinking water and swimming pool). Packed in 45Kgs each Drum. Note:- The contractor / suppliers must submit the chemical analysis report and the product must have min 65% Chlorine content suitable for Human consumption.

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 .

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

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

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

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

Material and labour for earthing complete with GI plate electrode 600x600x6mm thick, buried directly in ground (earth pit not less than 2.25m deep below ground level) with top edge of plate not less than 1.5m below ground level connected to GI earth wire of size 4.0 mm by means of bolts, nuts, washers of galvanized all as shown in electrical plate No.3 of SSR Part-I including necessary excavation and earth work. PCC 1:3:6 type C1 chamber, RCC cover in 50mm thick 1:2:4 type B1 with 8mm CTD 100mm centre to centre with suitable handle, watering pipe 20mm dia medium grade pipe with funnel, and 15mm dia light grade GI pipe as protection pipe,charcoal salt etc,connected to earth test point all as specified including testing and commissioning on completion all as specified and as directed.

Material and labour for earthing complete with GI plate electrode 600x600x6mm thick, buried directly in ground (earth pit not less than 2.25m deep below ground level) with top edge of plate not less than 1.5m below ground level connected to GI earth strip of size 32 X 6 mm by means of bolts, nuts, washers of galvanized all as shown in electrical plate No.3 of SSR Part-I including necessary excavation and earth work. PCC 1:3:6 type C1 chamber, RCC cover in 50mm thick 1:2:4 type B1 with 8mm CTD 100mm centre to centre with suitable handle, watering pipe 20mm dia medium grade pipe with funnel and 40mm dia light grade as protection pipe, charcoal, salt etc connected to earthing test point all as specified including testing and commissioning on completion all as specified and as directed.

M&L for Fabrication,install,commissioning and testing of LT cubical motor starter control panel board of suitable size as directed, three phase 4-wire systems, in door type, made out of CRCA sheet 2.0 mm thick, 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:-(New Booster Pump house)

Sl.item No. 11 contd/… (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. (d) Indicating lamps LED type R,Y,B and main ON,over load trip etc.-06 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. (l) Connect well connector suitable for 6sqmm copper conductor-03 Set (Set of Six). (m) Control circuit shall operate at single phase,230 volt,50Hz,AC supply controlled by MCB, SP,10Amps-01No.

M&L for Fabrication,install,commissioning and testing of LT cubical motor starter control panel board of suitable size as directed, three phase 4-wire systems, in door type, made out of CRCA sheet 2.0 mm thick, 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:- (Old Booster Pump house)

Sl.Item No. 13 Contd/. (a) MCCB 63 Amps, 10 KA, 4 pole, 415 volts with thermal based release - 01No (incoming). (b) MCB 32 Amps,TPN pole,415 volts - 03Nos (for starters). (c) Multi functional digital meter for voltage, ampere, frequency etc,3phase,4 wire system with CTs - 01 Set. (d) Indicating lamps LED type R,Y,B and main ON,over load trip etc.-06 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.-03 set. (g) Single phase preventor -03 Each. (h) Over load relay -03 Each. (j) Timer set -03 Each. (k) Push button and rear connections for ON/OFF -03 Each. (l) Connect well connector suitable for 6sqmm copper conductor-04 Set (Set of Six). (m) Control circuit shall operate at single phase,230 volt,50Hz,AC supply controlled by MCB, SP,10Amps-01No.

M&L for repair to Star delta starter motor control panels of capacity 40HP by replacement of burnt PVC flexible copper conductors with existing size,contactors,relays, preventors, sensors,connector blocks, meters etc including providing the follwing:- (a) Status indicating lamps for "pump On", "Over load","Low level", "Seal failure", "High teprature", & "Reverse rotation". Star delta starter for submersible pumps upto 40 HP non clog submersible pump set.-03 set. (b) "Start" & "Stop" push buttons-03 Set. (c) Electronic single phasing preventor cum over load relays. (d) Electronic Timer set -03Set. (e) Pump monitoring unit with Water level controller,Seal monitoring, Relay & High winding temprature tripping arrangements as per manufacturers standards.(f) Power circuit shall operate at 3 phase,415 volts,50Hz,Ac supply and Control circuit shall operate at single phase,230 volt,50Hz,AC supply. (Note :- Power contactors, multi functional meters, single phase preventors, Relays etc shall be measured and paid separetely)

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.

S&F contactor for Star Delta starter 440 volts, 50 Hz, 16 Amps to 20 Amps suitable for 7.5/10 HP capacity, 3 phase, AC, induction motor including taking down existing unserviceable all as specified and directed. Make: L&T/Seimans/ABB.

S&F contactor for Star Delta starter 440 volts, 50 Hz, 25 Amps to 40 Amps suitable for 12.5/15 HP capacity, 3 phase, AC, induction motor including taking down existing unserviceable all as specified and directed. Make: L&T/Seimans/ABB.

S&F contactor for Star Delta starter 440 volts, 50 Hz, 50 amps to 80 Amps suitable for 25/ 40 HP capacity, 3 phase, AC, induction motorincluding taking down existing unserviceable all as specified and directed. Make: L&T/Seimans/ABB.

S&F in repair single phase preventer including taking down existing unserviceable all as specified and directed .

Supply and fix electronic overload relay suitable for 5 to 10HP submersible pump including taking down existing unserviceable all as specified and directed . Make: L&T /Seimans/ABB.

S&F electronic overload relay suitable for 12.5 to 40 HP capacity including taking down existing unserviceable all as specified and directed . Make: L&T /Seimans/ABB.

S&F No volt coil, 440 volt ,suitable star delta starters upto 40 HP capacity all as specified and as directed.

S&F No volt coil suitable for DOL starter up to 5 HP capacity, 440 volts all as specified and as directed.

Supply and fix automatic star delta starter suitable for pump set, 3 phase AC motor capacity 7.5 to 25HP,built in overload relay,single phase preventor,AC3,4pole cotactor,415 volt in heavy duty deep drawn sheet metal box all as specified and as directed.

Supply and fix in repairs 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,16 KA, 415 volt,fixed in repair on existing panel board including dismantling existing unserviceable MCCB complete all as specied and directed.

Supply and fix MCCB TPN 100Amp,16 KA, 415 volt,fixed in repair on existing panel board including dismantling existing unserviceable MCCB complete all as specied and directed.

Supply and fix MCCB TPN 125Amp,16 KA, 415 volt,fixed in repair on existing panel board including dismantling existing unserviceable MCCB complete all as specied and directed.

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 Replacement of membrane,spiral wound type,MOC:poly Amide, size 8" dia,1000mm long,complete and testing of 5000 LPH RO Plant all as specified and directed. Make:LANXESS or equivlent as approved.

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 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.

M&L preparation of old painted surfaces and applying two coats of synthtic enemel paint to exisitng pump set upto 7.5HP all as specified and directed by Engr in charge.

Supply and fixing surface and wall mounted LED batten lights fitting 1x 18W 220V, AC with polycarbonate housing & integrated electronic driver including connecting up with three core flexible copper conductor cable of suitable size from ceiling rose complete all as directed. Make-Havells model No.LUMILINEBS18W LED865SPCWH or Equivalent make from list of makes.

Supply and fix LED bulb, 10 watt, Retrofit type fixed and including Lamp holder, PVC/Polycarbonate type with back plate suitable for batten fittings all as specified and directed.

M&L for Fabrication,install,commissioning and testing of LT cubical motor starter panel board of size not less than 1.0x0.75x0.30mtr, three phase 4-wire systems,out door type, dust and vermin proof, 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:- New Shastri well)

Sl.item No. 51 Contd/…. (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.(d) Indicating lamps LED type R,Y,B and main ON,over load trip etc.-06 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

S.M.THIYAGARAJAN AND CO

Sri Sankar Enterprises