REPAIR / MAINT OF WATER SUPPLY PUMPING SETS, PIPE LINE, SEWAGE PUMP AND MISC E/M WORKS AT DHOLEWAL, CG COMPLEX AND DORAHA UNDER GE LUDHIANA

Amount

Supply & fixing in replacement 100mm bore cast iron non return valve with brass spindle including nuts, bolts, gasket etc. complete all as specified & directed by Engineer-in-charge. .Make: Kirloskar / Leader / L&T (AUDCO) /Zoloto / NETA METAL/ MINAR / Upadhyay

Supply & fixing in replacement 150mm bore cast iron non return valve with brass spindle including nuts, bolts, gasket etc. complete all as specified & directed by Engineer-in-charge. .Make: Kirloskar / Leader / L&T (AUDCO) /Zoloto / NETA METAL/ MINAR / Upadhyay

S&F in replacement air release valve cast iron double air valve 80mm bore complete all as specified & directed by Engineer-in-charge. Make: Kirloskar / Leader / L&T (AUDCO) /Zoloto / NETA METAL/ MINAR

Supply and fixing in replacement cast iron non rising sluice valve with stainless steel and gun metal part suitable for 150mm bore pipe with flanged ends drilled ISI marked class PN-1.6 conforming to IS- 14846 with brass spindle, CI gate with brass nut, bolt, washer and rubber packing for connecting pieces etc complete all as specified and directed by Engineer-in-charge. Make: Kirloskar / Leader / L&T (AUDCO) /Zoloto / NETA METAL/ MINAR / Upadhyay

Supply and fixing in replacement automatic star- delta starter in sheet metal enclosers, 415 volts, 3 phase, 50 Hz type ML-3 with overload relay range 36- 60 Amp suitable for 35 HP electric motor all as specified and directed by Engineer-in-Charge.Make: L&T cat part No. G40 / Siemens/Havells/ Hager / Schenider

S&F in replacement of 1100 volts grade heavy duty PVC insulated flat submersible cable 16 sqmm, 3 core with copper conductor including making joint with the existing complete all as specified and directed by Engineer-in-Charge.

S&F in replacement of 3 meter long column pipe 80mm dia made out of medium grade GI pipe with two numbers flanged welded at both ends having drilled hole and cut for submersible cable complete all as specified and directed by Engineer-in-Charge.

S&F in replacement of 3 meter long column pipe 100mm dia made out of medium grade GI pipe with two numbers flanged welded at both ends having drilled hole and cut for submersible cable complete all as specified and directed by Engineer-in-Charge.

M&L cutting broken / leaking 80mm bore cast iron pipe removing defective piece and insertion of new CI fitting and provision of new 'D' joint including rubber ring, nuts, bolts etc complete all as specified and directed by Engineer-in-Charge.

M&L cutting broken / leaking 100mm bore cast iron pipe removing defective piece and insertion of new CI fitting and provision of new 'D' joint including rubber ring, nuts, bolts etc complete all as specified and directed by Engineer-in-Charge.

M&L cutting broken / leaking 150mm bore cast iron pipe removing defective piece and insertion of new CI fitting and provision of new 'D' joint including rubber ring, nuts, bolts etc complete all as specified and directed by Engineer-in-Charge.

M&L writing letter for figures over RCC OH tank surface or iron surface (block, roman, or italic n.exc 90cm height) complete all as specified and directed by Engineer-in-Charge.

S&F in replacement Over load relay 0 to 63Amps 415 V complete all as specified and directed by Engineer-in-Charge. Make : L&T/Havells/Siemens

S&F in replacement Contractor ML-3, 415V complete all as specified and directed by Engineer-in-Charge. Make : L&T/Havells /Siemens

S&F in replacement Single phase preventor VSP-3 etc complete all as specified and directed by Engineer-in-Charge. Make : Minilack/Havells/L&T/Siemens

S & F in replacement Star delta timer ETR complete all as specified and directed by Engineer-in-Charge. Make : L&T/Havells/AE/Siemens

S & F in replacement Voltmeter 0 to 500 Volt 96 x96mm square 415 volt complete all as specified and directed by Engineer-in-Charge.

S & F in replacement Amp meter 0 to 200 amp 96x96mm CTs square 415 volt complete all as specified and directed by Engineer-in-Charge.

S&F in replacement of phase indicating lamp complete all as specified and directed by Engineer-in-Charge.

Lifting of complete submersible pump set of any make & capacity from the tube well 300/200 mm dia along with connected accessories such as column pipe of 100/80 mm dia approx 30m length, submersible cable, nut bolts etc. complete all as specified and directed by Engineer in Charge.

Transportation of submersible pump set 3 phase any make and capacity 25 / 30 HP from pump house & other location at Dholewal , CG, Doraha to ludhiana contractor's workshop for carryout necessary repair work of submersible pump set and transporting it back to site (Dholewal , CG , Doraha) after repair complete all as specified and directed by Engineer in Charge.

Dismantling of submersible motor of any make of capacity 25/30 HP and reassembling complete set after carryout necessary repair work & testing complete for smooth functioning to the entire satisfaction of EIC. Note - New spare parts/components shall be measured and paid separately under supply only.

Rewinding of submersible motor of any make & capacity 25/ 30 HP by using existing size and gauge of PVC insulated single core copper conductor submersible winding wire including all insulated material complete all as specified and directed by Engineer in Charge. . Make- Usha/Devidayal/SI.

Supply only upper & lower housing bushes consisting of 3 Nos gun metal bushes complete all as specified and directed by Engineer-in-Charge.

Supply only of stainless steel sleeves consisting 3 Nos bushes complete all as specified and directed by Engineer-in-Charge.

Supply only 'O' ring kit and oil seal kit.

Supply only thrust bearing exel (carbon) for 25 / 30HP.

Supply only of thrust bearing plate.

Supply only sand guard gun metal.

Supply only of water seal.

Dismantling of submersible pump of any make of capacity 25 / 30 HP and reassembling complete set after carryout necessary repair work & testing complete for smooth working to the entire satisfaction of EIC. Note - New spare parts/components are replaced shall be measured and paid separately.

Repair to bowl bush with housing by proper lath machine work milling of pump saft & replacement of bowl bush complete all as specified and directed by Engineer-in-Charge.

Supply only gun metal bush of the pump set.

Supply only gun metal impeller bush.

Supply only neck ring of impeller.

Supply only key for impeller.

Supply only impeller gun metal suitable for pump set.

Supply only pump shaft made out of (stainless steel ) for pump assembly.

M&L for painting to pump set of any capacity with two coat of synthetic enamel paint complete all as specified and directed by Engineer-in-Charge.

S&F rubber packing 2 mm thick consisting of 8/6 hole for 80mm to 150mm column pipe complete all as specified and directed by Engineer-in-Charge.

M& L Jointing the submersible cable with wiring of motor by means of jointing material & making the leak proof joint complete all as specified and directed by Engineer-in-Charge.

Lowering, connecting, testing, commissioning of repaired pump set of any size & capacity upto 25/30 HP 3 phase 400 to 440 Volts into tube well 300/200mm size along with connected items such as column pipe (150 to 100mm ) dia approx 55 RM tightening of nut bolts submersible cable etc complete all as specified and directed by Engineer in charge.

M&L disconnecting water & electric connections and taking out existing chlorination pumping set , transporting & servicing of the pump and motor at manufacturer's authorised workshop, bringing back the pumping set at original location, reconnecting and testing the same complete all as specified and directed by Engineer in charge. Note: Supply and replacement of defective parts required to be replaced to be shall be measured and paid separetely under appropriate items of this schedule.

M&L pressure gauge for pump at pump houses / tubewell complete all as specified and directed by Engineer in charge.

Supply only water TDS meter electronic digital type complete all as specified and directed by Engineer in charge.

S&F distribution chart / board for water distribution network to the writing letter locations complete all as specified and directed by Engineer in charge.

Supply & fixing in replacement gun metal globe or gate valve 15mm bore with iron wheel head screwed both ends for iron pipes complete, all as specified & directed by Engineer-in-charge.

Supply & fixing in replacement gun metal globe or gate valve 20mm bore with iron wheel head screwed both ends for iron pipes complete, all as specified & directed by Engineer-in-charge.

Supply & fixing in replacement gun metal globe or gate valve 25mm bore with iron wheel head screwed both ends for iron pipes complete, all as specified & directed by Engineer-in-charge.

Supply & fixing in replacement gun metal globe or gate valve 40mm bore with iron wheel head screwed both ends for iron pipes complete, all as specified & directed by Engineer-in-charge.

Supply & fixing in replacement gun metal globe or gate valve 50mm bore with iron wheel head screwed both ends for iron pipes complete, all as specified & directed by Engineer-in-charge.

Supply and replacement of following parts of chlorination pumping set pump and motor capacity 180 watts:-

Suction valve assembly.

Injector valve assembly

Dosing head assembly

FRP container of capacity 150 litre

Ram assembly, injector valve assembly

Double valve assembly

S&F calcium hypochlorite having 60% to 70% available chlorine must contain appropriate quantities of dispersants/corroson inhibitor to prevent encrustation/scaling in distribution system note contractor supplier must submit govt lab test report of calcium hypochlorite alongwith each delivery packed in 45 KG plastic drum complete all as specified & directed by Engineer-in-charge. Make: Purichlor of shree Rayalaseema / Declibac Technologies

Supply only stequa purity verifier 41021 (chlorine and PH verifier test kit for water) complete, all as specified & directed by Engineer-in-charge.

Supply fabricate and fixing MS frame grills, gratings, framed guard bar, ladder, framework of valve pit cover, water tank etc or similar work as ordered and fabricated from MS rolled section of any size and shape as directed and fixing at position with all fixing accessories complete all as specified and directed by Engineer-in-Charge. Note: fixing of MS Sheet where required shall be measured and paid separately.

S&F mild steel plate / sheet plaim or chequered 3.00mm thick cut to piece as required and fixed to MS frame work be means of electric arc / gas welding complete all as specified and directed by Engineer-in-charge

M&L preparing steel and iron surfaces (new) of any description not otherwise described over 10cm width or girth and applying two coats of synthetic enamel paint of approved tint over a coat of red oxide zinc chromate primer complete all as specified and directed by Engineer-in-Charge.

M&L preparing steel and iron surfaces (new) of any description not otherwise described over 10cm width or girth and applying two coats of synthetic enamel paint of approved tint over a coat of red oxide zinc chromate primer complete all as specified and directed by Engineer-in-Charge.

Taking out of submersible pump (sewage) of capacity 7.5 HP from the sewage well using chain pully block, transportation to civil workshop for repair and re-fixing in original position etc complete all as specified & directed by Engineer - in - Charge.

M&L strip opening submersible electric motor 7.5 HP 3 phase 415 volt, cutting existing burnt winding, rewinding the same with super anamel copper wire of gauge and numbers of turns as per original including replacement of bearings, refixing the motor with pump, bringing back to original location connecting with sewage system and testing etc complete all as specified & directed by Engineer - in - Charge.

M & L Strip opening submerssible electric motor 7.5 HP 3 phase 415 volt, cutting existing burnt winding, rewinding the same with super enamel copper wire of gauge and number of turns as per original including replacement of bearings, re-fixing the motor with pump, bringing back to its original location connecting with sewage system and testing etc complete all as specified & directed by Engineer - in - Charge.

Disconnecting non clog pumping set of capacity 3 HP to 7.5 HP transportation to civil workshop for repair, bringing back after repairs and re-fixing in original position etc complete all as specified & directed by Engineer - in - Charge.

M & L Strip opening of non clog pumping set of capacity 7.5 HP, repairing the same by re-assembling including replacement of impeller, bearing set, oil seal worn out nuts, bolts, gasket etc complete all as specified & directed by Engineer - in - Charge.

All as per item No 63 here in- before but pumping set of capacity 3 HP.

M & L Strip opening of induction electric motor 7.5 HP 3 phase 415 volt, cutting existing burnt winding, rewinding the same with super enamel copper wire of gauge and number of turns as per original including replacement of bearings, re-fixing the motor with pump, bringing back to its original location connecting with sewage system and testing etc complete all as specified & directed by Engineer - in - Charge.

All as per item No 65 above but electric motor of capacity 3 HP.

M&L Bailing out sludge water from sludge tank by using pumping set and disposing off the same not less than 50 metres away from defense land site etc complete all as specified & directed by Engineer - in - Charge.

M&L Bailing out mud/sludge (approx 10 cum) from sewage tank manually by using buckets and disposing off the sludge outside MD land including cleaning of sludge tank etc complete all as specified & directed by Engineer - in - Charge.

Supply & fixing in replacement 100mm bore cast iron non return valve flanged type conforming to IS 5312 ISI marked incld replacement of worn out nuts, bolts, gasket etc. complete all as specified & directed by Engineer-in-charge.

Cleaning/servicing of air blower electric driven 415 volt AC supply 12.5 HP of capacity 180 cum per hour including replacement of shaft bearing as per existing and filling in new compressor oil (Approx 5 ltr) etc complete all as specified & directed by Engineer - in - Charge.

M & L Prepration surface of sewage treatement plants comprising 02 No sluge pumps, 02 No air blowers, 02 No water filters, 02 No electric motors with pumps 5 HP, water pipe, LT panel etc and applying two coats of synthetic enameled paint of existing colour including writing 'MES' machine number of size as directed using white paint complete all as specified & directed by Engineer - in - Charge.

M & L Cleaning sewage collection tanks (05 No ) and removal of mud/solid sludge (approx quantity 5 cum) from all the tanks and removal out of MD land including filling required sized gravels to make up the level complete all as specified & directed by Engineer - in - Charge.

M&L maintenance of outdoor type LT pillar box of size 80cm x 65cm x 40cm and repair to LT pillar including replacement of hinges etc including tightening of loose electric connections and provn of new lugs etc . Including painting the surface with two coats of enamelled paint of approved colour after preparation of surface complete all as specified & directed by Engineer - in - Charge.

Supply and filling hypochloride solution Gde-I conforming to IS 11673-1992 having 10 to 15% active liquid chlorine in STP etc complete all as specified and directed by Engineer-in-Charge

S&F in replacement air termination rod single pointed aluminium of dia 12mm and 300mm long complete all as specified and directed by Engineer-in-Charge

M&L dismantling existing aluminium strip of size 25mm x 3mm and re-fixing with new saddle and fixing screw for roof conductor/ down conductors above ground complete all as specified and directed by Engineer-in-Charge

S&F in replacement aluminium strip of size 25mm x 3mm and with new saddle and fixing screw for roof conductor/ down conductors above ground complete all as specified and directed by Engineer-in-Charge

S&F in replacement test point terminal block made of gun metal or phosphorus size 75mm x 75mm x 25mm duly drilled and screwed including provision of nuts, bolts etc complete all as specified and directed by Engineer-in-Charge

Supplying, laying, jointing and testing XLPE insulated heavy duty multi stranded armoured and PVC sheathed armoured 1100 volts grade heavy duty ISI marked with copper conductor cross sectional area 16 sqmm 4 core laid in trenches fixed by means of MS saddle or fixed on poles including connection with proper lugs complete all as specified & directed by Engineer-in- charge. (Note: Excavation & return filling of soil , sand , bricks will be measured and paid seprately)

Excavation in trenches n. exc 1.5 metre wide for taking out/ laying unseviceable of cable, pipe line etc. and not exceeding 1.5 metre deep and getting out in soft/ loose soil complete all as specified & directed by Engineer-in-charge.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick complete all as specified & directed by Engineer-in-charge.

Removal of surplus soil to a distance n.exc 50 metre and depositing where directed at level not exceeding 1.5 metre above the starting point complete all as specified & directed by Engineer-in-charge.

M&L filling dry and clean sand in trenches for cable 8cm deep below and 15cm above for cable cushioning complete all as specified & directed by Engineer-in-charge.

M&L for sub class 'B' brick of size 230x115x75mm laid work length equal to width of brick on sand for protection of under ground cable complete all as specified & directed by Engineer-in-charge.

Supply & fixing GI pipe light grade 40mm nominal bore for cable protection fixed to poles/ walls/ under floors/ under road etc. including taking down existing GI pipe complete all as specified and directed by Engineer-in-charge.

Supply and fixing in replacement MCCB of current rating 630 Amp with thermal magnetic release, 3 pole, 415 volts, AC, 50 KA rupturing capacity complete all as specified & directed by Engineer-in- charge.

Supply and fixing in replacement MCCB of current rating 400 Amp with thermal magnetic release, 4 pole, 415 volts, AC, 36 KA rupturing capacity complete all as specified & directed by Engineer-in- charge.

Supply and fixing in replacement MCCB of current rating 250 Amp with thermal magnetic release, 4 pole, 415 volts, AC, 36 KA rupturing capacity complete all as specified & directed by Engineer-in- charge.

Supply and fixing in replacement MCCB of current rating 250 Amp with adjustable thermal magnetic release, 4 pole, 415 volts, AC, 25 KA rupturing capacity complete all as specified & directed by Engineer-in- charge.

Supply and fixing in replacement MCCB of current rating 125 Amp with adjustable thermal magnetic release, 4 pole, 415 volts, AC, 16 KA rupturing capacity complete all as specified & directed by Engineer-in- charge.

Supply and fixing in replacement MCCB of current rating 100 Amp with adjustable thermal magnetic release, 4 pole, 415 volts, AC, 16 KA rupturing capacity complete all as specified & directed by Engineer-in- charge.

Servicing of gear box of chain pulleys , including tightening of nuts , bolts greasing of all components oil / greasing of chain pully block of capacity 01 ton , cleaning and greasing of longitudinal railing approx 23mtr and wheel etc,complete all as specified & directed by Engineer-in- charge.

S&F 15W LED Bulb incl with holder complete all as specified & directed by Engineer-in- charge.

S&F Decorative ultra slim linear LED lighting fixture 18 watt with extruded polycorbonate body, environmental friendly, energy efficient, ready to use pack model LT5RT1-18-CDL & LCTL-18-CDL LED T8 batten and tube type complete all as specified & directed by Engineer-in- charge. Make: Crompton or equivalent

S&F Decorative ultra slim linear LED lighting fixture 9 watt with extruded polycorbonate body, environmental friendly, energy efficient, ready to use pack model LT5RT1-9-CDL & LCTL-9-CDL LED T8 batten and tube type complete all as specified & directed by Engineer-in- charge. Make: Crompton or equivalent

S&F backlite iron glow sign board for E/M installation marking of board name of installation , capacity of transformer etc complete all as specified & directed by Engineer-in- charge .

S&F automatic star delta starter suitable for 12.5 HP capacity for sewage pump set , 415 volts , 3Phase , 50Hz including taking out unserviceable starter complete all as specified & directed by Engineer-in- charge.

S&F automatic star delta starter suitable for 7.5 HP capacity for sewage pump set , 415 volts , 3Phase , 50Hz including taking out unserviceable starter complete all as specified & directed by Engineer-in- charge.

S&F PVC insulated flexible aluminium conductor cable 2 core 0.5 sqmm 100RM roll complete all as specified & directed by Engineer-in- charge.

Testing of COD (chemical oxygen demand) and BOD(Biochemical oxygen demand ) of treated (sewage) waste water complete all as specified & directed by Engineer-in- charge.

M&L for dehydration of transformer oil without the load of transformer using dehydration machine to achieve the di-electric strength of transformer oil 40 KV at 2.5mm gap for one second complete all as specified & directed by Engineer-in- charge.

S&F in replacement of worn out gun metal LT side transformer bush including necessary nuts , bolts , washers etc suitable for 400 KVA 11/0.433 KV step down transformer complete all as specified & directed by Engineer-in- charge.

All as per item No.102 above but for 200/150 KVA transformer complete all as specified & directed by Engineer-in- charge.

Disconnecting HT&LT side cable of transformer and earth strip from body and neutral of transformer including un-screwing of nuts & bolts from channel fixed on two pole/ four pole structure and taking down the transformer from staging/ poles manualy / using mechanical means , capacity of transformer 150 KVA to 200KVA including re-installing testing and commissioning complete all as specified and directed by Engineer-in-Charge.

M&L lifting , loading & transportation of 150 KVA to 200 KVA capacity transformer indoor/outdoor type from MES storeyyard/ Sub station to workshop for repairs and bringing back the same after repairs to the same point complete all as specified and directed by Engineer-in-Charge.

M&L opening up the top cover , dismantling and taking out the complete core assembly of the transformer for repair , testing the same and taking the burnt coils cleaning and making good surface for rewinding complete . Rewinding the same with existing size of conductor / wire for coils / limb of HT / LT including internal cleaning , removing sludge , washing and painting with one coat of zinc chromate paint to inner side of the transformer body and one coat of outer side with synthetic enameled Grey paint after cleaning and removing oil spot from the body . Re assembling and testing , commissioning the transformer for capacity 150 KVA to 200 KVA complete all as specified and directed by Engineer-in-Charge.

Testing of water sample collect from pump house (potable water) once in a month from state Govt DWSS (Department of water supply and sanitation / PHED / Reignol laboratory testing of water report submit in office by contractor ) complete all as specified and directed by Engineer-in-Charge.

S&F in replacement reciprocating dosing pump (Model No. ADS-I) metalic solution tank of 100 ltr capacity with motor driven agitator to maintain uniform throughout the tank with all connected accessories . Make - Declibac Technology

S&F onload changeover switch 100 Amp , 4P 415V open execution type complete all as specified and directed by Engineer-in-Charge. Make- L&T / Hager / Schenider

M&L mechanical split coller joint including follower gland , gaskets , nuts and bolts for MJ ends of size 100mm for repairs to CI / DI pipeline damaged during breakdown complete all as specified and directed by Engineer-in-Charge.

Supply, install , testing and commissioning in replacement LT panel , indoor cubical type weather and vermin proof totally enclosed made out of 3mm thick CRCA sheet machine pressed of suitable size , suitable to operate on 3 phase 4 wire system 415V ,50Hz with front and rear openable with locking arrangement incl shutters for mounting switchgear etc bottom gland plate with sufficient numbers of circular cable entry holes , prewired complete duly pwder coated with 7 tank process mounted on angle iron stand made out of angle size 50x50x6mm grouted in PCC (1:3:6) 450mm above ground level 400mm below ground level comprising with following complete all as specified :- (i) Bus bar strip 4 pole and capacity 200Amps copper strip size be based on 1.5 Amps per sqmm , coloured with plastic coated insulated and sleaves in four colours (Red,yellow, blue , and black) fixed on procelain insulators with necessary nuts and bolts and washers etc. (ii) INCOMING:- (a) MCCB of current rating 100 Amps with thermal release 4 pole 415 volts 25 KA rupturing capacity- 01 Nos (b) Panel meter of size 96x96mm with LCD display , accuracy class 1.0 having parameters voltage , current , frequency , power factor , power & energy with RS 485 including suitable CT complete all as specified , duly prewired with suitable size of copper insulated FRLS wire with universal code including suitable CTs complete. (c)Indicator with LED lamps for RYB , 3 phase with MCBs set of three-01 set (iii) OUTGOING:- (a) MCCB 63Amp ,415v ,25KA ,4 pole with adjustable thermal magnetic release-01 Nos (b) onload changeover switch 63Amp ,4P 415V open execution type -01 Nos (c) MCB SPN 32Amp ,240V,10KA -02Nos (d) MPCB 63Amp-01 Nos (e) SP preventor -01 Nos (f) star delta starter DOL three phase 36-60Amp - 01 Nos

Earthing of machinery / equipment installed at power house / sub stn with copper plate 600x600x3.15mm directly buried in ground (earth point not less than 2.2m deep below ground level) with top edge of the earth plate not less than 1.5m below the normal ground level , conneced to copper strip 20x3mm as earthing leads by means of bolts , nuts , GI pipe 40mm dia light grade for protection of earthing strip PCC chamber 1:2:4 (type B-1) using 20mm graded stone aggregate , internal surface of concrete chamber shall be finish with 15mm thick plaster in cement mortar 1:4 & GI funnel with wire gauge (0.63mm) mesh per linear inch 0.5mm thick cover PCC 1:2:4 type B-1 (using 20mm graded stone aggregate reiforced with 8mm dia TMT bar at 75mm spacing centre both way and charcoal dust common salt etc all as shown in electrical plate No. 3 of MES SSR part-I 2009) and as specified including excavation earth work and connecting test point of size 75x75x25mm of gun metal / brass testing on complettion. complete all as specified and directed by Engineer-in-Charge. (Note:- (a) Unit rates shall be deemed to include for protection pipe , GI water pipe , wire mesh , funnel, excavation & earth work ,PCC pit with cover , test point of size 75x75x25mm from top of earth plate upto 5 m above ground level. (b) PCC pit shall be provided atleast 1.5 m same . (c) If test result of earthing do not come out to be satisfactory , the contractor shall re-do the earthing at his own cost and nothing shall be admissible on this account. (d) earthing work shall be carried out in presence of MES representative.)

Earthing complete for LT panels / feeder pillars with galvanised steel earth plate electrode 60cmx60cmx6mm thick buried directly in ground vertically at a depth not less than 2.25 m below normal ground level with top edge of the plate at a depth not less than 1.5 meters below normal ground level, connected with and including GI strip 32mm x 6mm and including GI pipe 50mm bore light grade as protecton pope (from top of earth plate up to the test point) by means of GI bolts, nuts, check nuts and washers of GI and thimbles, earth plate surrounded by packed layers of charcoal dust and common salt 15 cm thick, all around including top and bottom and watering pipe 20mm bore of GI pipe medium grade with funnel and wire mesh, PCC chamber of size 300 x300x300mm (top of chamber minimum 15cm above the normal ground level (1:3:6) using 20mm graded stone aggregate and RCC cover (1:2:4) type B-I using 20 mm graded crushed stone aggregate of 25mm thick with 2 Nos MS handles of 12 mm dia including necessary excavation /earth work in any type of soil /rock and as shown in Electrical plate No.5 of SSR part -I (2009) testing on completion complete all as specified . Note:-(i) If result is not satisfactory then contractor will do 2nd earthing on his own cost

MEHAT ENTERPRISES

R K ENTERPRISES