REPAIR MAINT OF EXTERNAL ELECTRIFICATION LT CABLE SECURITY STREET LIGHTS TESTING OF EARTHING INFRASTRUCTURE AND CONNECTED WORKS AT AF STN SAMANA UNDER GE (AF) JAMNAGAR NO 1

Amount

Disconnecting & Taking out LT underground cable(aluminum/copper conductor of size 6 to 70 sqmm any core from trenches including cable cover,tubes if any etc complete all as specified and directed.

Disconnecting & Taking out LT underground cable(aluminum/copper conductor of size 120-185 sqmm any core from trenches including cable cover,tubes if any etc complete all as specified and directed.

Disconnecting & Taking out HT underground cable(aluminum conductor of size 95/120 sqmm any 3 core from trenches including cable cover,tubes if any etc complete all as specified and directed.

Note for item No 01-03:- Excavation and earth work will be measured and paid seperately under respective items in this schedule

Supply & laying XLPE insulated, PVC inner sheathed, armoured with galvanised steel strip or wire, heavy duty, LT underground cable, with aluminium conductor 1100 volt grade of size 6 Sqmm 4 core laid in trenches / duct/ road passing through pipe / duct or fixed on pole and connecting with new lugs and washer bolt tape necessary items and testing etc complete all as specified & directed.

Surface cleaning / dressing by removing the roots completely from the earth, shrubs, vegetation, grass, bushes, weeds in soft loose soil from E/M installations all as specified and directed by Engineer- in-charge. Note:-This item shall be executed for cleaning of surrounding area of various E&M installation.

Supply & laying XLPE insulated, PVC inner sheathed, armoured with galvanised steel strip or wire, heavy duty, LT underground cable, with aluminium conductor 1100 volt grade of size 16 Sqmm 2 core laid in trenches / duct passing through pipe / duct or fixed on pole and connecting and testing etc complete all as specified & directed.

Supply & laying XLPE insulated, PVC inner sheathed, armoured with galvanised steel strip or wire, heavy duty, LT underground cable, with aluminium conductor 1100 volt grade of size 10 Sqmm 4 core laid in trenches / duct passing through pipe / duct or fixed on pole and connecting and testing etc complete all as specified & directed.

Supply & laying XLPE insulated, PVC inner sheathed, armoured with galvanised steel strip or wire, heavy duty, LT underground cable, with aluminium conductor 1100 volt grade of size 16 Sqmm 4 core laid in trenches / duct passing through pipe / duct or fixed on pole and connecting and testing etc complete all as specified & directed.

Supply & laying XLPE insulated, PVC inner sheathed, armoured with galvanised steel strip or wire, heavy duty, LT underground cable, with aluminium conductor 1100 volt grade of size 25 Sqmm 4 core laid in trenches / duct passing through pipe / duct or fixed on pole and connecting and testing etc complete all as specified & directed.

Supply & laying XLPE insulated, PVC inner sheathed, armoured with galvanised steel strip or wire, heavy duty, LT underground cable, with aluminium conductor 1100 volt grade of size 35 Sqmm 3.5 core laid in trenches / duct passing through pipe / duct or fixed on pole and connecting and testing etc complete all as specified & directed.

Supply & laying XLPE insulated, PVC inner sheathed, armoured with galvanised steel strip or wire, heavy duty, LT underground cable, with aluminium conductor 1100 volt grade of size 50 Sqmm 3.5 core laid in trenches / duct passing through pipe / duct or fixed on pole and connecting and testing etc complete all as specified & directed.

Supply & laying XLPE insulated, PVC inner sheathed, armoured with galvanised steel strip or wire, heavy duty, LT underground cable, with aluminium conductor 1100 volt grade of size 70 Sqmm 3.5 core laid in trenches / duct passing through pipe / duct or fixed on pole and connecting and testing etc complete all as specified & directed.

Supply & laying XLPE insulated, PVC inner sheathed, armoured with galvanised steel strip or wire, heavy duty, LT underground cable, with aluminium conductor 1100 volt grade of size 120 Sqmm 3.5/4 core laid in trenches / duct passing through pipe / duct or fixed on pole and connecting and testing etc complete all as specified & directed.

Supply & laying XLPE insulated, PVC inner sheathed, armoured with galvanised steel or wire heavy duty,HT underground cable(earthened grade) with aluminium conductor 11000 volt earth grade of size 95 Sqmm 3 core laid in trenches/duct passing through pipe/duct or fixed on pole and connecting and testing etc complete all as specified and directed.

Note for item No 4 to 14:- (i) Sand cushioning and cable cover will be measured and paid seprately under respective items of this schedule, (ii) Straight through joint will be measured and paid seprately.

Supply, jointing, connecting and testing, straight through joint, epoxy based complete with jointing material and all standard accessories suitable for XLPE insulated armoured aluminium conductor cable, LT 1100 Volts, aluminium conductor of 3.5/4 core, 16-35 Sqmm all as specified and as directed by Engineer-In-Charge.

Supply, jointing, connecting and testing, straight through joint, epoxy based complete with jointing material and all standard accessories suitable for XLPE insulated armoured aluminium conductor cable, LT 1100 Volts, aluminium conductor of 3.5 core, 50-95 Sqmm all as specified and as directed by Engineer-In-Charge.

Supply, jointing, connecting and testing, straight through joint, epoxy based complete with jointing material and all standard accessories suitable for XLPE insulated armoured aluminium conductor cable, LT 1100 Volts, aluminium conductor of 3.5/4 core, 120 to 185 Sqmm all as specified and as directed by Engineer-In-Charge.

Supply, jointing, connecting and testing, straight through joint, epoxy based complete with jointing material and all standard accessories suitable for XLPE insulated armoured aluminium conductor cable, LT 1100 Volts, aluminium conductor of 3.5 core,240 to 300 Sqmm all as specified and as directed by Engineer-In-Charge.

Supply, jointing, connecting and testing, straight through joint, epoxy based complete with jointing material and all standard accessories suitable for XLPE insulated armoured aluminium conductor cable, LT 1100 Volts, aluminium conductor of 3.5/4 core,400- 630 Sqmm all as specified and as directed by Engineer-In-Charge.

Excavation in trenches not exc 1.5 m wide and n.exc 1.5m in depth for foundation / fixing pole / laying cable and pipe line etc or for man hole etc not exc 10 sqm on plan and getting out in soft / loose soil all as specified.

Returning filling in including spreading leveling, watering and well ramming in layers not exc 25 cm thick using suitable excavated soft / loose soil all as directed.

Removing excavated soil to a distance exc 50 m but n.exc 100 m and depositing where directed at a level n.exc 1.5m above the starting point.

M&L for providing dry river sand as in sand cushioning to under ground PVC cable including punning down of sand in layer all as specified and directed by Engg-in-Charge. (Note: for measurement purpose any punned thickness of sand will be considered.)

Supply & laying ISI marked & conforming to IS - 5820 - 1970 unreinforced precast concrete cable cover Class LV , Type I , flat size 250 mm X 150 mm X 40 mm in trenches as protection to LT UG cable all as specified and directed by Engr-in-Charge.

Laying only PCC cable cover for LT/HT UG cable, of any description retrieved from item No 1 to 10, all as specified and directed by Engr-in-Charge.

Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 to 95 sqmm

Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 to 95 sqmm

Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 to 95 sqmm

Supply, fix in repair digital programmable Time Switch 24 HOURS of supply voltage 220-240 Volts AC, 50/60 HZ. Make :-GIC,selec,hager or equivalent as approved by GE

S&F in repair 7 Watt LED spike Light IP 67 water proof enclosure, off white color, fixed in position & connecting complete all as specified and directed Make: havells/crompton/philips

M&L for preparation of old painted surface of steel tubular pole 9 meter long & applying one coat of aluminium paint on exposed surface, painting of band in alternate strip of 0.25 meter each with yellow & black synthetic enamel paint up to 1.5 meter height above PCC coping, including writing pole No with black synthetic paint complete as specified & directed

Supply and fix in repair MCCB 40-63 Amp, three Pole, breaking capacity 10-16KA, 415 V - 50 Hz, fixed in existing panel & connecting complete all as specified & directed by Engr in charge

Supply and fix in repair MCCB 100 Amp, Three Pole, breaking capacity 16 -25KA, 415 V - 50 Hz, with adjustable thermal and magnetic setting fixed in existing panel & connecting complete all as specified & directed by Engr in charge.

Supply and fix in repair MCCB 125 Amp, Three Pole, breaking capacity 16-25 KA, 415 V - 50 Hz, with adjustable thermal and magnetic setting fixed in existing panel & connecting complete all as specified & directed by Engr in charge.

Supply and fix in repair MCCB 160 Amp, Four Pole, breaking capacity 25-36KA, 415 V - 50 Hz, fixed in existing panel & connecting complete all as specified & directed by Engr in charge.

Supply and fix in repair MCCB 200 Amp, Four Pole, breaking capacity 35 /36 KA, 415 V - 50 Hz,with adjustable thermal and magnetic setting fixed in existing panel & connecting complete all as specified & directed by Engr in charge.

Supply and fix in repair MCCB 400 Amp, Four Pole, breaking capacity 35 KA, 415 V - 50 Hz,with adjustable thermal and magnetic setting fixed in existing panel & connecting complete all as specified & directed by Engr in charge. Make:- Havells/C&S/ABB .

S&F in replacement of 4 Pole 100-125Amp power contactor, AC 3 rating, fixed in existing panel & connecting complete all as specified & directed Make : - SIEMENS/LARSEN & TUBRO/LEGRAND/ SCHNEIDER/HAVELLS India LTD/C & S ELECTRIC LIMITED (C&S) / CROMPTON GREAVES/GE/ABB/HPC

S&F in replacement of 4 Pole 70-80 Amp power contactor, AC 3 rating, fixed in existing panel & connecting complete all as specified & directed Make : - SIEMENS/LARSEN & TUBRO/LEGRAND/ SCHNEIDER/HAVELLS India LTD/C & S ELECTRIC LIMITED (C&S) / CROMPTON GREAVES/GE/ABB/HPC

S&F in replacement of 4 Pole 32 to 40 Amp power contactor, AC 3 rating, fixed in existing panel & connecting complete all as specified & directed Make : - SIEMENS/LARSEN & TUBRO/LEGRAND/ SCHNEIDER/HAVELLS India LTD/C & S ELECTRIC LIMITED (C&S) / CROMPTON GREAVES/GE/ABB/HPC

S&F in replacement of 4 Pole 9-12Amp power contactor, AC 3 rating, fixed in existing panel & connecting complete all as specified & directed Make : - SIEMENS/LARSEN & TUBRO/LEGRAND/ SCHNEIDER/HAVELLS India LTD/C & S ELECTRIC LIMITED (C&S) / CROMPTON GREAVES/GE/ABB/HPC

Supply and fix in replacement of LED Post-Top lantern,20 watt energy saving, environmental friendly, long life aesthtically designed with symmentrical light distribution, spun aluminium landscape luminaire with high power LEDs as light source ,suitable for pole size and making

Supply and fix in replacement of LED Post-Top lantern,40 Watt energy saving, environmental friendly, long life aesthtically designed with symmentrical light distribution, spun aluminium landscape luminaire with high power LEDs as light source ,suitable for pole size and making arrangements ,pcc work , electric connections complete.

S&F in replacement of LED Street Light fitting 35 Watt, system efficiency not less than 100 lumen / watt, IP65/66 protection, consisting of high / low voltage cut off, maintenance free isolated Electronic driver circuits, Low THD, PMMA grade high quality Transmittance lens, Epoxy powder coated Die Cast Aluminium housing with weather proof gasket for lamp & driver compartment, Heat resistance toughened glass fitted in cast aluminium housing with SS screws, fixed on existing bracket & connecting complete all as directed complete. make wipro cat part no LR02-331-XXX57-XX OR equivalent of crompton/philips/wipro/syska/C&S electric/HPL electric & power Ltd/HELONIX TECHNOLIES.

S&F in replacement of LED Street Light fitting 45 Watt, system efficiency not less than 100 lumen / watt, IP65/66 protection, consisting of high / low voltage cut off, maintenance free isolated Electronic driver circuits, Low THD, PMMA grade high quality Transmittance lens, Epoxy powder coated Die Cast Aluminium housing with weather proof gasket for lamp & driver compartment, Heat resistance toughened glass fitted in cast aluminium housing with SS screws, fixed on existing bracket & connecting complete all as directed complete. make wipro cat part no LR02-331-XXX57-XX OR equivalent of crompton/philips/wipro/syska/C&S electric/HPL electric & power Ltd/HELONIX TECHNOLIES.

S&F in replacement of LED Street Light fitting 70 Watt, system efficiency not less than 100 lumen / watt, IP 66 protection, IK 07 impact resistance, consisting of high / low voltage cut off, maintenance free isolated Electronic driver circuits, Low THD, PMMA grade high quality Transmittance lens, Epoxy powder coated Die Cast Aluminium housing with weather proof gasket for lamp & driver compartment, Heat resistance toughened glass fitted in cast aluminium housing with SS screws, fixed on existing bracket & connecting complete all as directed complete.

S&F in replacement of LED Street Light fitting 90 Watt, system efficiency not less than 100 lumen / watt, IP 66 protection, IK 07 impact resistance, consisting of high / low voltage cut off, maintenance free isolated Electronic driver circuits, Low THD, PMMA grade high quality Transmittance lens, Epoxy powder coated Die Cast Aluminium housing with weather proof gasket for lamp & driver compartment, Heat resistance toughened glass fitted in cast aluminium housing with SS screws, fixed on existing bracket & connecting complete all as directed complete.

S&F in replacement of LED flood Light fitting 100 Watt, system efficiency not less than 100 lumen / watt, IP 66 protection, IK 07 impact resistance, consisting of high / low voltage cut off, maintenance free isolated Electronic driver circuits, Low THD, PMMA grade high quality Transmittance lens, Epoxy powder coated Die Cast Aluminium housing with weather proof gasket for lamp & driver compartment, Heat resistance toughened glass fitted in cast aluminium housing with SS screws fixed on existing bracket & connecting, complete

S&F in replacement of LED flood Light fitting 200-210 Watt, system efficiency not less than 100 lumen / watt, IP 66 protection, IK 07 impact resistance, consisting of high / low voltage cut off, maintenance free isolated Electronic driver circuits, Low THD, PMMA grade high quality Transmittance lens, Epoxy powder coated Die Cast Aluminium housing with weather proof gasket for lamp & driver compartment, Heat resistance toughened glass fitted in cast aluminium housing with SS screws fixed on existing bracket & connecting, complete.

M&L for horizontal boring under roads / pavement / hard standing without disturbing the top surface by / Manual or trench-less technology and necessary machine including supply & inserting GI pipe passing through the cables complete all as specified and as directed. Note : Necessary infrastructure required for boring shall be arranged by the Contractor at his own cost.

Supply and fix in repair bracket made out of 40mm GI pipe medium grade of length1.5mtr and bend to shape for fixing of street light fitting including three Nos of FI 50x6mm clamps with suitable nuts and bolts complete all as specified and directed.

S&F in repairs Cross arms (ISI Marked), bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of synthetic enamel paint.

M&L for demolition of cement Concrete in ground floors and pavings etc n exc 15 cm thickness (below or above ground level)

M&L for Cement concrete type B-2, 1:2:4 (40mm graded aggregate) for 100 mm thicknes finishing surface even and fair as specified and directed.

Supply & fix in replacement round, 2 core cable, PVC insulated and PVC sheathed, Aluminium conductor of size 2.5 Sqmm, for electric connection from feeder / looping box / street light over head line to street light fitting.

S&F in repair Sheet moulding compound (SMC) junction box of size 240 mm x 130 mm x 110mm, comprising three phase aluminum bus bar and one No MCB SP, 06 Amps C type, fixed on pole with mild steel clamps, nuts and bolts complete.

Supply and fix / laid in wall/trenches Road 50 mm bore galvanised steel water tubing,light grade for laying cable of suitable size complet including taking down old pipe complete all as specified and as directed by Engineer-in-Charge.

Supply and fix in replacement MCBs SPN , 40 -63Amps, 415 volts with ‘C’ curve, fixed in sheet metal board complete including connecting.

Supply and fix in replacement MCBs single pole & neutral , 6 to 32 Amps, 230 volts with ‘C’ curve, fixed in sheet metal board complete including connecting.

Supply and fix in replacement MCBs single pole , 6 to 32 Amps, 230 volts with ‘C’ curve, fixed in sheet metal board complete including connecting.

Supply and fix in replacement MCBs triple pole & neutral , 40-63 Amps, 415 volts with ‘C’ curve, fixed in sheet metal board complete including connecting.

S&F in repair 10/18 watt CFL , 2 pin/4 pin , 230 V, 50 HZ suitable for garden bollard light.

S&F in repair electromagnetic ballast, for 18 watt CFL, 230 V, 50 HZ .

Supply, install, testing and commissioning and testing factory made and tested (including CPRI type test certified) LT bus bar Chamber box outdoor type, platform mounted, suitable for 415 Volts 3 phase 4 wire, 50 Hz AC supply system, all as specified and directed, having Incomer - 100A,25Ka MCCB rating and outgoing bus bar chamber for 4 Nos of 4 core cable runs with insulated Aluminum 4 bus bars 160 amp rated with installed on porcelain insulators. The panel shall be dust and vermin proof, made of 3.15mm CRCA MS sheet 75mm x 30 mm thick MS Channel frame, duly powder coated finish. Front opening type with aprons for cable entry with double door shutter and locking arrangement, danger plate and earthing terminal . The scope of work includes pcc foundation and provision and also fame for mounting Bus bar Chamber

Supply, install, testing and commissioning and testing factory made and tested (including CPRI type test certified) LT feeder pillar box (KIOSK) outdoor type, platform mounted, suitable for 415 Volts 3 phase 4 wire, 50 Hz AC supply system, all as specified and directed, having bus bar chamber with insulated Aluminum bus bars 400 amps rating installed on porcelain insulators. The panel shall be dust and vermin proof, made of 3.15mm CRCA MS sheet 75mm x 30 mm thick MS Channel frame, duly powder coated finish. Front opening type with aprons for cable entry with double door shutter and locking arrangement, danger plate and earthing terminal .

The scope of work includes pcc foundation and provision of the following :-Incoming (a) MCCB 4 pole 200 Amps, 36 KA, 415V -01 Nos (b) Bus bar (Aluminum strip) 400 Amp, 4 pole, for in comp supply (c) digital panel meter including CTs -01 No. Outgoing (c) MCCB TPN 63 amp 16 KA, 415 V 50 Hz - 03 No. (d) MCCB TPN 100 amp 25 KA, 415 V 50 Hz - 01 No. (e) Existing cable (For various Bldg supply cable of sizes ) connect with busbar properly with suitable size copper Lug .

S&F in repair electronic drivers suitable for 25-46watt LED street light fitting, fixed in position & connecting complete.

S&F in repair electronic drivers suitable for 70-100 watt LED street light fitting, fixed in position & connecting complete.

S&F in repair electronic drivers suitable for 120-150 watt LED street light fitting, fixed in position & connecting complete.

S&F in repair electronic drivers suitable for 200-250 watt LED street light fitting, fixed in position & connecting complete

HT/LT fault detection by Fault testing by fault testing maching exacavating detected site and rectifying the cable fault by Jointing kit , Supply and fixing of Jointing kit will be measured separately

Deployment of manpower, instrument, tools, and all connected accessories for testing of earth resistance of existing earthing at provided earth test point for each earth set by competent calibrated digital earth test meter electronic type along with accessories (earth rod set with Cu wire with clips) and recording the result dully signed with date by MES representative and contractor all as specified & as directed by Engg-in - Charge. NOTE:- Testing of each earthing shall be carried out at the interval of 1 months and measurement shall be carried each time separately and test result shall be maintained dully signed with date by MES representative and contractor.

Supply and fix in repair Heavy duty poly plastic Earth pit cover of HDPE material, green color,Bottom diameter ( OD 320 mm / ID 290 mm) of wall thickness 5 mm ,height 260 mm with top cover and grouted with the use of concrete along the pheriphery of eart pit completely.

Supply and pouring Earthing Soil Resistivity improvement compound Gel, Enhancement compound Transparent Liquid Jel in 5 Kg packing all as specified and directed by Engr-in-charge. Make -JJ Engineering / SM Infotech / Powertack

M&L for Brazing of copper strip using brazing touch suitable temp and using brazing rod all as specified and directed by Engg-in-charge.

Supply and fixing in repair copper strip 32X6 earth strip of size with epoxy insulators and fixing screws etc for earth continuity conductors to test point terminals to test point terminal including taking down old strip all as directed by Engr-in-charge

Supply and fixing in repair GI strip 32X6 earth strip of size mm with epoxy insulators and fixing screws etc for earth continuity conductors to test point terminals to test point terminal including taking down old strip all as directed by Engr-in-charge

Supply and fixing in repair copper earth strip of size 20X3mm with epoxy insulators and fixing screws etc for earth continuity conductors to test point terminals to test point terminal including taking down old strip all as directed by Engr-in-charge

Supply and fixing in repair copper earth strip of size 25 x 4 mm with epoxy insulators and fixing screws etc for earth continuity conductors to test point terminals to test point terminal including taking down old strip all as directed by Engr-in-charge

Material and labour of earthing complete with galvanised earth plate electrode 600 mm x 600 mm x 6 mm thick buried directly in ground (earth pit not less than 2.25 m deep below normal ground level) with top edge of the plate not less than 1.5 m deep below normal ground connected to GI strip of size 32 x 6 mm by means of bolts nuts check nuts and washer of galvanized steel, watering pipe of 20 mm bore, galvanised iron, light grade, and 40 mm bore galvanised iron light grade for earth wire protection including all excavation earth work in any type of soil, PCC pit in PCC 1:2:4 type B-1 and RCC 1:2:4, type B1 for precast chamber cover 50 mm thick, reinforced with welded steel wire fabric or XPM Jali (weight not less than 4.00 Kg / sqm), with charcoal, salt, funnel complete all as shown in the electrical plate No 3 of SSR part –I and testing on completion. Note:- Quoted rates shall be deem to include for earth strip with protection pipe up to 7.5 M length.

Material and labour of earthing complete with copper earth plate electrode 600 mm x 600 mm x 3.15 mm thick buried directly in ground (earth pit not less than 2.25 m deep below normal ground level) with top edge of the plate not less than 1.5 m deep below normal ground connected to copper strip of size 20 mm x 3 mm by means of bolts nuts check nuts and washer of galvanized steel, watering pipe of 20 mm bore, galvanised iron, light grade, and 40 mm bore galvanised iron light grade for earth wire protection including all excavation earth work in any type of soil, PCC pit in PCC 1:2:4 type B-1 and RCC 1:2:4, type B1 for precast chamber cover 50 mm thick, reinforced with welded steel wire fabric or XPM Jali (weight not less than 4.00 Kg / sqm), with charcoal, salt, funnel complete all as shown in the electrical plate No 3 of SSR part –I and testing on completion. Note:- Quoted rates shall be deem to include for earth strip with protection pipe up to 7.5 M length.

M&L and labourin repair of earthing complete with galvanised steel plate electrode 600mm×600mm × 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) with top edge of the plate not less than 1.5 metres deep below normal ground connected to GI wire lead 4 mm by means of bolts nuts check nuts and washer of galvanised steel, watering pipe of 20mm bore, galvanised iron, light grade and 15mm bore galvanised iron light grade for earth wire protection including all excavation earth work in any type of soil, PCC pit in PCC 1:2:4 type B-1 and RCC 1:2:4, type B1 for precast chamber cover 50mm thick, reinforced with welded steel wire fabric Kg/Sqm), with charcoal, salt, funnel complete all as shown in the electrical palte No 3 of SSR Part- all as shown in electrical and testing on completion. Note:- Quoted rates shall be deem to include for earth strip/lead with protection pipe up to 7.5 M length.

Material and labour for earthing complete with galvanised steel earth plate electrode 600mm ×600mm× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) with top edge of the plate not less than 1.5 metres deep below normal ground connected to GI strip of size 25mm x4 mm by means of bolts, nuts, check nuts and washers of galvanised steel, watering pipe of 20mm bore, galvanised iron, light grade and 40mm bore galvanised iron light grade for earth wire protection including all excavation earth work in any type of soil, PCC pit in PCC 1:2:4 type B-1 and RCC 1:2:4, type B1 for precast chamber cover 50mm thick, reinforced with welded steel wire fabric or XPM Jali (weight not less than 4.00 Kg/Sqm), with charcoal, salt, funnel complete all as shown in the electrical palte No 3 of SSR Part-I and testing on completion. Note:- Quoted rates shall be deemed to include for earth strip with protection pipe up to 7.5 M length

M & L for Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 4 mm dia galvanised iron or steel wireall as directed by Engr-in-charge

Supply and fix in repair air termination with 5 star poited 5 spikes pointed copper rod 15 mm dia 1500mm long and 100 micron copper bonded lightning conductor with base fixed in position on pole complete ith clamp nut bolts complete as specified and directed by Engr in charge

Material and labour for tripod chemical earthing (comprising of three chemical earthingThe chemical earthing will have specification as follows :- (a) Copper electrode of wall thickness minimum 2 mm not less than 3 mtr length with not less than 75mm outer dia . (b) Fixing of copper Earth Electrode by drilling / boring 175 mm dia hole, 5.00 mtr deep in any type of strata, placing electrode in hole, return filling excavated soil by mixing min 10 kg GEL per bore and 75 kg Soil Resistivity Improvement (SRIP) compound as per manufacturer instruction (c) FRP earthing result display board 254 x 380mm made out of plastic material showing information related to type of earthing, earthing result, due date of testing along with fixing size 610mm height made of plastic hollow pipe of dia 20 mm.

(d) PCC earthing protection chamber for each earthing pit in PCC 1:2:4 type B1 for precast chamber cover 50 mm thick, reinforced with welded steel wire fabric or XPM Jali (weight not less than 4.00 kg/sqm) Make:- Powertrac/McML Earthing Solution/Ashlock. Note :- (a) The copper strip connection to each electrode and to the equipment will be measured and paid separately. (b) All other items are included for chemical earthing in the item except copper strip as mentioned in note(a) every other items is deemed to be included in the item. (c) The chemical earthing will be carried out by the manufacturer or its authorized representative on the site.

(d) The earthing result will be obtained for each electrode must be less than 1Ω. Otherwise contractor is liable to do chemical earthing to meet the result without extra cost if the results are above 1Ω. (e) Contractor must visit the site before quoting the tender to understand the difficulty and cost for carrying out the job in the station. It is important that contactor ascertain the quantum of work. (f) Contractor must produce the certificate from the manufacturer that chemical earthing has been carried out by manufacturer. The manufacturer must also mention the warranty for chemical earthing. (g) Extension strip from electrode strip upto 0.15 m height from GL to be deemed included in quoted rate including brazing (h) The contractor has to give in writing for 3 years minimum warranty for constant result of earth below 1Ω.

Rameshwar Enterprise (BID ID -3239371)

OM ELECTRICAL ENERGY (BID ID -3239480)

Sagathiya Builders (BID ID -3244215)

BHAVNA IMPERIAL ENTERPRISE (BID ID -3239769)