REPAIR MAINTENANCE AND REPLACEMENT OF STREET /SECURITY LIGHTS, FENCING LIGHTS, WATCH TOWER LIGHT AND HIGH MAST LIGHT, FENCING LIGHT IN DOMESTIC AREA AND TECH AREA AND RAKSHA NAGER AND OF EXISTING EARTHING AND RENEWAL MONTHLY CHECKING OF EARTH RES

Amount

Disconnecting /isolating electric supply from the source at HT/LT electrical pole/wall/tower height up to 15 mtr from ground and taking down carefully for repair the existing unserviceable street light/security light/flood light or any type of cable fault and repair by checking and making the fittings serviceable by providing two skilled tradesman on daily basis for replacing the unserviceable parts or fitting as required at site,(spares other than item no 16 to 18 are deemed to be included in the quoted rates), if during the maintenance there is any kind/nature of fault occurred along the perimeter and street light and auxiliary items/cable it is to be completely trace out by contractor & their redressal/fault rectification to be carried out within 8 hours and balancing elect load RYB phase complete all as specified and directed by Engr-in-Charge replacement to suit the existing parts and fittings (fixing charges for replacement shall be deemed included in the quoted rates against serial item No. 1) complete re-fixing at existing locations or as directed by Engineer in charge, connecting with source and testing for proper functioning / serviceability of the fittings complete as directed. Note:- Complaints/Defects will be rectified within 8 Hrs of intimated time. If complaints not rectified, a recovery of an amount of Rs 250 per complains per day will be recovered from the RAR/FB. Complaints detailed on media like vynus/whatsapp /text message/ complaints slip shall be treated as valid complaints.

Supply, Installation, Testing and commissioning LED street light fittings 100 watt with minimum110 lumen/ watt system lumen output.The luminaire should have cool white coloure temperature with minimum 5700 K. The luminaire housing should be made of pressure die cast aluminium Epoxy power coated with wether proof gasket for LEDs and control gear compartments, heat resistance toughened clear glass fixed with SS screw with IP 66 protection Make Crompton CAT No CRP-411-100-57-SL-GL-NSG or equivalent in Havells/ Phillips.complete all as specified and directed by Engineer- in-charge.

Supply, Installation, Testing and commissioning LED street light fittings 70 watt with minimum110 lumen/ watt system lumen output .The luminaire should have cool white coloure temperature with minimum 5700 K. The luminaire housing should be made of pressure die cast aluminium Epoxy power coated with wether proof gasket for LEDs and control gear compartments, heat resistance toughened clear glass fixed with SS screw with IP 66 protection, Make Crompton CAT No CRP-421-70-57-SL-LM-NSG or equivalent in Havells/ Phillips.complete all as specified and directed by Engineer- in-charge..

Supply, Installation, Testing and commissioning LED street light fittings 60 watt with minimum110 lumen/ watt system lumen output .The luminaire should have cool white coloure temperature with minimum 5700 K. The luminaire housing should be made of pressure die cast aluminium Epoxy power coated with wether proof gasket for LEDs and control gear compartments, heat resistance toughened clear glass fixed with SS screw with IP 66 protection, Make Crompton CAT No CRP-421-60-57-SL-LM-NSG or equivalent in Havells/ Phillips.complete all as specified and directed by Engineer- in-charge..

Fixing only LED Luminaire for raod and street light of any rating and wattage issued by the department .complete all as specified and directed by Engineer- in-charge.

Supply, Installation, Testing and commissioning LED street light fittings 25 watt with minimum110 lumen/ watt system lumen output .The luminaire should have cool white coloure temperature with minimum 5700 K. The luminaire housing should be made of pressure die cast aluminium Epoxy power coated with wether proof gasket for LEDs and control gear compartments, heat resistance toughened clear glass fixed with SS screw with IP 66 protection, Make Crompton CAT No CRP-420-25-57-SL-LM-NSGor equivalent in Havells/ Phillips complete all as specified and directed by Engineer- in-charge.( For Bldg Security light Map)

Supply, Installation, Testing and commissioning LED Flood light fittings 150 watt with 110 lm/ watt system lumen output . The luminaire should have cool white coloure temperature with minimum 5700K . The luminaire housing should be made of pressure die cast aluminium Epoxy power coated with wether proof gasket for LEDs and control gear compartments, heat resistance toughened clear glass fixed with SS screw with IP 66 protection, Make Crompton CAT No CFS-510-150-57-60D-HL2-LM-NSG or equivalent in Havells/ Philips.complete all as specified and directed by Engineer- in-charge.

Supply, Installation, Testing and commissioning LED Flood light fittings 120 watt with 110 lm/ watt system lumen output . The luminaire should have cool white coloure temperature with minimum 5700K . The luminaire housing should be made of pressure die cast aluminium Epoxy power coated with wether proof gasket for LEDs and control gear compartments, heat resistance toughened clear glass fixed with SS screw with IP 66 protection, Make Crompton CAT No. CFS-504-120-57-60D-HL2-GL-NSG or equivalent in Havells/ Philips.complete all as specified and directed by Engineer- in-charge.

Supply only LED Flood light fittings 100 watt with 110 lm/ watt system lumen output . The luminaire should have cool white coloure temperature with minimum 5700K . The luminaire housing should be made of pressure die cast aluminium Epoxy power coated with wether proof gasket for LEDs and control gear compartments, heat resistance toughened clear glass fixed with SS screw with IP 66 protection, lumen efficiency of 120 lumen /W, isolated electronic LED driver ( SMPS based constant current supply), IK-07, life class of 50,000 hrs @ L 70, surge voltage protection not less than 10 KV for not less than 100 cycles. Make Crompton CAT No TFS-504-100-57-60D-SL-GL-NSG or equivalent in Havells/ Philips.complete all as specified and directed by Engineer- in-charge.

Supply, Installation, Testing and commissioning LED Flood light fittings 80 watt with 110 lm/ watt system lumen output . The luminaire should have cool white coloure temperature with minimum 5700K . The luminaire housing should be made of pressure die cast aluminium Epoxy power coated with wether proof gasket for LEDs and control gear compartments, heat resistance toughened clear glass fixed with SS screw with IP 66 protection, Make Crompton CAT No LFL-80- CDL/60-M or equivalent in Havells/ Philips.complete all as specified and directed by Engineer- in-charge.

Supply, Installation, Testing and commissioning LED Flood light Nano fittings 100 watt with RGB & Coloured (Red/Green/Amber/Blue/Yellow), LED food light with cast aluminum housing, toughened glass cover, high efficent LED IP65/66, 10kv SPD and wired with all accessories , Make Shakti CAT No SZCFLMX100-RGB or equivalent in Havells/ Philips/Crompton.complete all as specified and directed by Engineer- in-charge.

Supply, Installation, Testing and commissioning LED Flood light Nano fittings 150 watt with RGB & Coloured (Red/Green/Amber/Blue/Yellow), LED food light with cast aluminum housing, toughened glass cover, high efficent LED IP65/66, 10kv SPD and wired with all accessories , Make Shakti CAT No SZCFLMX150-RGB or equivalent in Havells/ Philips/Crompton.complete all as specified and directed by Engineer- in-charge.

Supply & Fix in repair PVC perplex cover glove type with Base plate /holder not less than 8 inch dia suitable for Post top lantern including one nos 7/9 watt LED lamp complete all as specified and directed by Engineer- in-charge.Make - Surya/*havells.

Repairs to High mast light 15/30 Mtr high, by taking down the luminaires mounting frame mechanically and replacing the unserviceable items (paid separately) including lifting the superstructure after repairs and testing complete all as specified and as directed by Engr-in- Charge..

Taking down old /unserviceable solar street light fiting from LT pole Opening the fittings and checking all connection and repair the same by replacement of follwing part for proper functiong complete all as specified and as directed by engr-in -charge.

Taking down old /unserviceable street light fiting from LT pole Opening the fittings and checking all connection and repair the same by replacement of LED driver of 120 watt, repair of LED plate, complete all as specified and as directed by engr-in -charge.

Takingdown old /unserviceable street light fiting from LT pole Opening the fittings and checking all connection and repair the same by replacement of LED driver of 70 watt, repair of LED plate, complete all as specified and as directed by engr-in -charge.

Taking down old /unserviceable street light fiting from LT pole Opening the fittings and checking all connection and repair the same by replacement of LED driver of 45/30 watt, , repair of LED plate, complete all as specified and as directed by engr-in -charge.

Supply & Fix in repair LED Post top lantern weather proof indirect lighting solution Make Cormpton Cat Pt No LPTO-40-CDL-M or equivalent in Havells. complete all as specified and directed by Engineer- in-charge.

Supply & Fix in repair Post top lantern decorative HERITAGE LED suitable 1X20 Watt retro LED with opel deffuser including LED 20 Watt of Make Crompton Cat Part No LPTH-20-CDL or equivalent in Havells/ Wipro.complete all as specified and directed by Engineer- in-charge.

Supply and fix in repair street light bracket 32/40 mm bore GI pipe/tubing light grade not less than 1.2 Mtr long band to shape with 2 nos MS clamps flat iron 50 x 5 mm for nuts, bolts and washers suitable for Steel/PCC Pole etc and applying two coats of aluminium paint over a coat of red oxide primer complete all as specified and directed. Make- Prakesh surya/Swastik/Jindal

Material and labour for cable joint termination box PVC body housing suitable for housing and including 100 amps rated, 3 phase, 4 wire system mounted on PVC insulators for one incomming and two out going cable entry space mounted on street light PCC/ tublar pole with 25x3 mm FI clamps with nut, bolts and washers and including one 6 amps MCB, SP, 240 volt for street light supply complete all as as directed by Engr-in-charge.

Supply and fix 40mm dia bore galvanized iron tubing, light grade including all fitting for cable protection etc laid in floor or fixed to poles with clamps etc all as specified and directed.Make- Prakesh surya/Swastik/Jindal.

Material and labour for PCC (1:4:8) type D-2, using 40 mm graded aggregate as in foundation of poles etc complete all as directed.

Material and laboure for plain cement concrete 1:3:6 type C1 using 20 mm garded stone aggregate as in coping concrete on pole foundations etc all as specified and directed.

Fixing only Miniature Circuit Breaker of any rating

Supply and fix in repair MCB SPN 32 Amps 240 volts 10 KA. Make : Standard/ HPL/ L & T.

Supply and fix in repair MCB SPN 63 Amps 240 volts 10 KA. Make : Standard/ HPL/ L & T.

Supply and fix in repair Isolator TPN 63 Amps 415 volts 10 KA. Make : Standard/ HPL/ L & T.

Supply and fix in repair Sheet metal enclosure for DB’s with out bus bar for 2 way 240 volts. Make : Standard/ HPL/L & T Legrand.

Supply and fix in repairs power contactor, ML-3type Three pole, 440 volt , Auxilary coil voltage 230 Volt, Make- L&T/Legrand/Semiens

Supply and fix in repairs Astronomical Timer digital switch with built in PCB for street light , Make Indo Asian, L&T, type DIGICON or equivalent of GEC/ GIC/ Havells.

Supply and fix in repairs Time digital switch with built in PCB for street light , Make L&T, type DIGICON or equivalent of GEC/ GIC/ Havells.

S&F PVC insulated and weather proof three core copper multi stranded conductor cable 1.5 Sqmm size as required length for replacing unserviceable cable for street light where ever found unserviceable and required from junction box to street light connector of Street Light fittings all as specified & as directed by Engr-in-Charge.

Supply and fixing Straight through joints( heat shirnk) for LT underground cable including joint kits and labour complete for making joints suitable for aluminium conductor cables 4 core 16 Sqmm.

Dismantling of LT PCC/Steel pole and removing the dismantling mtrl to more than 100 mtr distance as reqd at site complete all as specified and directed by Engr -in-charge.

Shifting of LT Pole any type from one place to another places entire location of 11 BRD including all connection/disconnection of electric supply including all earth works as reqd at site complete all as specified and directed by Engr -in-charge.

Tree cutting around the street light fittings any type complete 3 mtr radious of street light fitting complete and removint the mtrl to not exceeding 100 mtr from the site. all as specified and as directed by engineer in charge.

Supply and laying in trenches/ducts or passing through pipe 1100 volt grade LTUG cable with XLPE insulated armored heavy duty electric cable multistanded with aluminium multi stranded conductor 1100V grade 4 core cross sectional area 10 sqmm all as specified and directed.

Supply and laying in trenches/ducts or passing through pipe 1100 volt grade LTUG cable with XLPE insulated armored heavy duty electric cable with aluminium multi stranded conductor 1100V grade 2 core cross sectional area 10 sqmm all as specified and directed.

Excavation in trenches not exceeding 1.50 mtr wide and not exceeding 1.50 meter in depth and getting out in soft/loose soil all as directed.

Returning filling in trenches including spreading leveling watering and well ramming in layers not exceeding 25 cm all as directed.

Removing of surplus soil not exceeding 50 meter and depositing where directed at a level not exc 1.50 mtr above the starting point all as directed.

Supply and laying Double walled corruyated (DWC) Duct (Dura- Guard) as per IS-14930 Part - II for LT UG cable protection including coupler, elbows, T- Joint, Bends, etc and test report Make :- Dura- line/Gemini/Rex. Of size 38mm

Supply and fix 40mm dia bore galvanized iron tubing, light grade including all fitting for cable protection etc laid in floor or fixed to poles with clamps etc all as specified and directed.Make- Prakesh surya/Swastik/Jindal.

S & F steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts & screws as specified type 410 SP-31 (9.00 metres long) including all earth work and PCC fondation as recommeded by OEM complete all as as directed by Engr-in-charge

S&F MS Single arm bracket 1.50 mtr long 40 mm dia, fixing with suitable nut bolt and washer as described in OEM manual complete all as as directed by Engr-in-charge.

M&L for checking the serviceability of fencing street light /Hanger security light/ Watch Tower light at Tecnical area and Domestic area. The contractor Rep shall be present at Domestic area sub stn at 6.00 PM every day for ckecking of street light serviceability and trace out the minor fault/defects if any and repair the same at site for proper functioning of the street lights. Note:- (i) Complaints/Defects will be rectified withen 8 Hrs of intimated time. if complaints not rectified, a penality of an amount of Rs 250/- complains/ day will be imposed and will be recovered from RAR/F bill.(ii) Contractor rep will submit daily report of serviceability of above mentioned lights to JE E/M/Engr -in-charge(ii) T&P required for checking to be arrange by the contractor(iii) The rate for above Note works will be deemed to be included in quoted rates by the contractor

M&L for Preparation of old painted surfaces of steel tublar poles LT 9.0 Mtr long & painting two coats of aluminium paint from top to bottom and painting with alternate strip of blue paint at an interval of 1 feet from bottom of pole upto 6 feet height, including existing cross arm/angle iron/clamps/brackets etc & marking of pole numbers in white on black background all as directed.

Material & labour for marking eleptical shape on the steel tubular/PCC pole in black colour and marking the pole number using suitable tensils with synthetic enamel paint in white colour in the suitable size font so that it can be visible from 7 meter away,complete all as specified & as directed by Eng-In-Charge.

M&L for Preparation of old painted surfaces of PCC poles LT 9.0 Mtr long & painting two coats of weather proof distamper paint from top to bottom and painting with alternate strip of blue paint at an interval of 1 feet from bottom of pole upto 6 feet height, including existing cross arm/angle iron/clamps/brackets etc & marking of pole numbers in white on black background all as directed.

Taking out the old burnt LT cable from panel /Pole junction box, trace out the fault with fault locator van and rectified the same by cutting the burnt portion of cable and making suitable joint, connection with suitable size lugs/thimble, insulation tape etc as requited at site complete all as specified and as directed by engr-in charge Note : Excavation earth work will be included in the quoted rate all as directed.

Taking out the old/unsv LT cable from the trench/beneath the interlocking tiles and find out the defects and repair the same before re-laying/re-routing,making good to the damaged portion of PCC/interlocking tile & refixing the same in its original position complete all as specified and as directed by engr-in charge Note : Excavation earth work will be included in the quoted rate all as directed.

M&L for carrying out physical inspection and measurement of individual earth pit resistance of each earth pit, every month located in Tech area , domestioc area and raksh Nagar incl MES Installations and maintain the record of its reading month wise and submit to this office duly signed by user,s with satisfactory working remarks as a token of acknowledgement to office monthly for measuring the resistance of individual electrode of LV distribution system and other non-DG/ Transformer by fall of potential test in case fall of potential method is not possible at certain locations then measurement of earth pit resistance shall be carried out in stake less method using current and voltage clamps.(Total earthing not less than 630 ) Nos earth pit located in different area of this station shall be measured in each month or all as directed. Pit for measurement of pit resistance including necessary excavation in any type of soil, or braking of hardstanding for inserting of spikes complete all as directed by Engineer-in-Charge. The rate also include to inspect and measure resistance of any type of earth( like conventional or chemical, strip or wire any size) complete. Note-(i) Minimum 22 Earthings per working day and 100 % within a month to be cheked and testing will be carried out, testing equipment should be calibrated and certified from appropriate Govt Authority. Testing of earth resistance should be carried out in presense of the users and record should be furnished to the AGE E/M Office on daily basis, Failing which a recovery @ Rs 500 per eathing per day will be recovered as penalty.

Repair of old earthing for improvement of earth resistance by removing of old pit Chemeber from existing site , disconnecting all earth electrode of any type and size excavated the pit and removing old existing earth plate any type, cleaning the same and burried directly in ground with new bolts,nuts ,washer and check nut of galvanized steel,filling adequate quantity of charcol and common salt in alternate layer of 15cm 3ft x 3ft thick all around the electrode and including necessery excavation & earth work in any type of soil complete testing on completion all as directed. Note:- i) The material as salt, charcoal, Magnesium sulphate,GI Plate, wire mesh funnel will be measured and paid seprately.

Supply only Salt

Supply only Char coal

Supply only Magnesium sulphate

Supply only Back fill compound (SGI Engineer or equvalent )

Supply only urea

Supply only Wire mesh funnel

M&Labour for taking out the top cover of the earth pit cleaning properly earth pit inside and out side and filling Salty water in the earth pit.Note:- the rate for necessary T&P , water bouser, pipe etc will be included in the quoted rates.

Supply & fix earth continuty conductor or main earthing lead of 4 mm dia galvanised iron or steel wire. (roof conductor or down conductor ) above ground level fixed to wall/ roof duly insulated on batten or fixed on new porcelain insulators with clamping device or recessed or chases or burried in groung/ floor or drawn in conduit/ pipe or fixed to poles or any other indicated situation for loop earthing etc as required all as directed by Engg. in charge. Note :- i) the distance between porcelain insulator will not be included with cost of T & P and labour required to work on roof top at lateral faces of existing hangers upto height of 25 mtrs.

All as per item no-63 but 25 x 4 mm galvanised iron strip.

All as per item no-63 but 32 x 6 mm galvanised iron strip.

All as per item no-163 but 32 x 6 mm copper strip.

All as per item no-63 but 25 x 3 mm copper strip.

Taking down existing Copper strip/GI strip any size with its accessories and refixing the same complete all as directed.

Dismantling and taking down dislocated/de-shaped/loose earth contunity conductor down or roof conductor in any position for re-fixing properly or for replacement complete including UNSV insulators/clamps/ saddles ets Aluminum strip of any size. Note :- The quoted rates shall be deemed to be included with cost of T&P and labour required to work on roof top and at lateral faces of existing hangers upto height of 25 Mtrs.

Supply & Fix 25 x 3 mm aluminium strip ( Roof conductor or down conductor) above ground level fixed to wall/ roof duly insulated fixed on and including new porcelain insulators with clamping device or recessed or chases or burried in ground/ floor or drawn in conduit / pipe or fixed to poles or any other indicated situation or for loop earthing etc. Note :- i) The consecutive distance between porcelain insulator will not be more than 40 cm. ii) The quoted rates shall be deemed to be included with cost of T&P and labour required to work on roof top and at lateral faces of existing hangers upto height of 25 Mtrs.

Re-fixing the taken down aluminium strip on roof top/on wall/lateral faces fixed on new porcelain insulator including new GI bolt, nut, washer provide at a distance not more than 40 Cm consecutively. Note :- i) The quoted rates shall be deemed to be included with cost of T&P and labour required to work on roof top at lateral faces of existing hangers upto height of 25 Mtrs. i) The consecutive distance between porcelain insulator will not be more than 40 iii) The cost of porcelain insulators will be paid under relivant item here in under but cost of GI bolt nut, washer etc is deemed to be included under quoted rates.

M&L for GI tubing medium grade with all fitting laid in trenches or fixed to wall or ceiling with clamps or fixed to floor complete all as specied and directed of size 15 mm bore.Make : Swastik/Prakash Surya/Apollo.

M&L for GI tubing light grade with all fitting laid in trenches or fixed to wall or ceiling with clamps or fixed to floor complete all as specied and directed of size 40 mm bore.Make : Tata/Jindal/Prakash Surya/Apollo.

Excavation in trenches not exceeding 1.50 mtr wide and not exceeding 1.50 meter in depth and getting out in soft/loose soil all as directed.

Returning filling in trenches including spreading leveling watering and well ramming in layers not exceeding 25 cm all as directed.

Removing of surplus soil not exceeding 50 meter and depositing where directed at a level not exc 1.50 mtr above the starting point all as directed.

Removal of debbries material beyond 500 mtr upto total distance of 1.5 Km & depositing where directed at a level not exceding 1.5 mtr above the starting point complete all as directed.

M&L for Air termination, single pointed aluminium rod 12 mm dia and 300 mm long, includind dismantling and taking out old unservicable termination complete all as specified and as directed.

M&L in repairs for PCC block on roof top comprising 1:3:6 of required size at places where directed & laying,clamping the strip any size secured on the block with suitable size GI bolt duly grouted, nut bolt washer etc.

M&L for test point terminal block insulated from wall or external surface made of gun metal or phosphorus bronze of size 75x75x25 mm drilled and screwed including 3 Nos 8 mm dia 25 mm long hex head screws complete fixed on ebonite sheet 6mm thick fitted on MS flat 50x5mm bent to shape etc complete all as specified and as directed.

M&L for brazing of existing copper earthing including all brazing materials as required at site complete all as specified and as directed.( Note :- The rate of T&P , Gas cylinder , weilding machine etc are included in the quoted rates quoted by the contractor

M&L for brazing of existing Galvanised earthing including all brazing /joit making using suitable filler metal materials as required at site complete all as specified and as directed.( Note :- The rate of T&P , Gas cylinder , weilding machine etc are included in the quoted rates quoted by the contractor

S&F AC surge protection device for general protection of main distribution panel and protective sensitive eqpt (T1+ T2 type) 4 modules TP& N, High discharge current Imax 50 KA (L-N), 60 ΚΑ (Ν-Ε) including all cabling kit consisting of 5 copper conductors incl the earth conductor cross section 16 sqmm, length 40 CM for cabling SPDs in industrial enclosure. Make - Legrand cat pt no 412257 equivalent in Havells. s, Siemens, Schneider.

M&L for test of area base lightning protection r sysytem installaed at various location at tech area incuding surger counter , lightning assestor eqpt by OEM and repot to be submitted to this office complete all as specified and as directed.

M&L in repairs to earthing pit chamber including replacement of PCC chamber, cement concret pit with cast iron miled steel frame embedded in the massonery enclouser finished flushed & PCC cover 10 mm thick (300mmx300mm having locking arrengment hinged to PCC frame all as shown under electrical plate of SSR Pt - I 2009 and as directed including painting the external surface of chamber & cover with enamel paint in diffrent colour as directed and writing earth results & date of test carried out with white paint on black painted background, complete all as directed.

Supply only PVC insulator for GI/Aluminium strip supporter adequate to accomadate strip of 32 mm with fasteners complete all as specified and directed. i) The consecutive distance between porcelain insulator will not be more than 40 cm. ii) The quoted rates shall be deemed to be included with cost of T&P and labour required to work on roof top of GI sheet and at lateral faces of existing hangers upto height of 25 Mtrs.

Supply & Fix PVC BIB COCK STANDARD of size 15 mm (white) Make: PRAYAG POLYMERS PVT LTD Cat part No 121,complete all as specified and as directed by Engineer-In-Charge.

Meterial and labour for painting of earth pit chamber and cover all as directed by Engr-in-Charge

Material & labour for earthing in repairs including taking out old plate with pipes earthing lead fasteners etc and supply, install , testing and commissioning maintence free comprising of high tensile low carbon steel rod of 3 mtrs length & 17.2mm dia with 250 micron (average) molecularly bonded copper on the outer surface to confirm with the requirement of UL 467 placed in bore min 150mm dia upto 3 mtr deep in any type of soil / strata black soil, rock or any other along with back-fill compound strictly be a carbon based conductive concreate type which has resistively of less than 0.12 ohm mtr as per clause 14.5 D of IEEE:80Standard back-fill compound should be electronically conductive (like in metals) and should not depend on moisture for condition. Compound shall be suplied in sealed bags. The earth electrode should finally be housed in heavy duty concreate/PVC chamber with cover of size 300x300x300mm for future access. Back-fill compound should be enviroment freindly, should solodoty when mixed with water and sel like concreate and should not leach/diffuse into ground. (a) Earth resistance of each earth should be less than 7 ohm. (b) Back-fill compound shall not be mixed with any soil while pouring in the bore hole. (c) The earthing shall be of OEM approved by GE. (d) Back-fill compound resistivity should not be more than 0.12 ohm meter and minimum 2 bags of approximate 25 Kg each bag should be filled in each earthing bore, however if required extra chemical bach-fill materials should be filled to achive result below 07 ohm without any extra cost. (e) The description/size/Qty of items mentioned in above are for indicative only how ever the qty/size may very at site condition to maintain the earth resistance less than 07 ohm and as such quoted rates should be considering the all factors. (f) Testing on completion & achiving resistance less than 07 ohm & submitting report to Engineer-in Charge duly signed by user after seccessfull completion of earthing whytime after euevution up to end of defect liabuility perioed. (g) If resistance value is found more than 7 ohm, contractor has to do additional earthing with in 07 days without any extra cost. (h) Earth strip copper of size 32x6mm beyond 7.5Mtr will be measured and paid separately repective item of schedule Make:- SGI Engineers PVT Ltd

M&L for earthing in repair including taking out GI plate with pipes earthing lead fasteners etc and earthing complete with galvanised steel earth plate electrode 600x600x6mm thick,burried directly in ground (earth pit not less than 2.25 Mtr deep below ground level ) with top edge of the pl;ate not less than 1.5 Mtr below normal ground level,connected to galvanised iron strip 32x6 mm as earth lead by means of bolts,nuts ,washer and check nut of galvanized steel, protected by and including GI pipe 50 mm bore (light grade) and connected to main switch / MCB DBs box point / LP test point as directed and including cement concret pit in 1:2:4 type B1 using 12.5mm graded aggregate, with cast iron miled steel frame embedded in the concrete enclouser fineshed flushed & CI cover 10 mm thick of size (300mmx300mm CI) having locking arrengment hinged to CI frame all as shown under electrical plate of SSR Pt - I 2009 and as directed including painting the external surface of chamber & cover with enamel paint in diffrent colour as directed and writing earth results & date of test carried out with white paint on black painted background, wiremesh funnel 20 mm bore GI pipe medium grade for watering adequate quantity of charcol and common salt in alternate layer of 15cm 3ft x 3ft thick all around the electrode including necessery excavation & earth work in any type of soil complete testing on completion all as directed. Note:- i) Filling the pit with black cottan soil brought at site. ii) The excavated soil will be removed & paid separtely.

All as per item above but by using with copper earth plate electrode of size 60cm x 60 cm x 3.0 mm thick and copper strip 32 x 6 mm as earth continuity conductor complete all as directed by Engineer-in-Charge. i). The unit rates in this item is deemed to be included the cost of excavation for earth pit, laying of GI / Copper strip in trench upto 7.5 mtr along with light grade GI Pipe for protection and necessary earth work in any type of soil/strata, PCC 1:3:6 type C-1 as in pit and pre- cast PCC 1:2:4 type B-1 with necessary reinforcement as in cover & frame for pit, funnel, watering pipe 20 mm bore GI pipe medium grade , 40 mm bore GI pipe for earth strip protection and GI/ copper / aluminium earth strip/ wire of any size & shape mm upto 7.50 mtr in length also including required quantity of salt & charcoal. ii) The continuous earth continuity conductor of any type, shape and shape shall be provided by the contractor, no joints wil be provided except test point or as directed by Engineer-in-Charge. iii) The earth conductor run vertically on wall in open way or or in GI Pipe,the contractor will provide necessary and proper saddling & properly fixed on wall /ceiling on his own expenses and making good without extra cost to the department. iv) Where, the earth continuous conductor run through ground, it should be lay in trench at required depth in GI Pipe, all as specified and directed. v) GI Pipe for protection of earth continuity conductor, earth strip/ wire and excavation if any beyond the 7.5 mtr will be measured and paid separately under the relevant items of this schedule. Note- Earth filling in the pit will be done with black cotton soil , brought from out side the defence land . In case earth resistance not found satisfactorily contractor will redo the same earthing at his own expenses . Earth resistance value should be less than 5.0 Ohms upto liability period of one year.

Paras Electricals (BID ID -3369618)