REPAIR TO VARIOUS EM INSTALLATION OF ARMY AREA AND DAY TO DAY INTERNAL ELECTRIFICATION COMPLAINTS ATTENDING INCLUDING REPLACEMENT OF FITTINGS/ FIXTURES IN AF STATION UNDER GE AVADI

Amount

Taking down carefully unserviceable point wiring copper / aluminium (light, fan, socket or power) complete, including removal of batten / conduit / gutties / wooden board etc., including fittings and fixtures such as switches, ceiling roses, regulators, sockets, light fittings, fans etc., removal from site under Sch of credit and removal of unserviceable items out of site and making good the disturbed surfaces of walls, ceilings etc., complete all as specified and as directed.

M & L for point wiring with 1.5 Sqmm (nominal area) PVC insulated,FRLSH unsheathed, multistrand, 1100 volts grade copper conductor cable single core, drawn through with and including non metallic PVC conduit 20mm dia and its accessories fixing on wall/ceiling/trusses with suitable clamps , screws etc including one run of 1.5 Sqmm PVC insulated copper conductor cable green in colour for continuous earthing, 1.6 mm thick MS terminal box finished to wall with 3 mm thick laminated hylam sheet top cover all as specified for:-

One light point controlled by one switch.

One Ceiling fan point controlled by one switch.

One exhaust fan/wall mounted fan point controlled by one switch.

One 3 pin 5 amps socket point on independent board

One 3 pin 5 amps socket point on same board

One bell / buzzer point controlled by one bell push

M & L for point wiring with 1.5 Sqmm (nominal area) FRLSH, PVC insulated, unsheathed, multistrand, 1100 volts grade copper conductor cable single core, drawn through with and including in stove enamelled steel conduit and its accessories fixed on wall/ ceiling/ trusses with suitable clamps, screws etc including one run of 1.5 Sqmm PVC insulated copper conductor cable green in colour for continuous earthing complete all as specified for one light point controlled by one Rotary switch.

M & L for point wiring with 4 Sqmm (nominal area) PVC insulated,FRLSH unsheathed, multistrand, 1100 volts grade copper conductor cable single core, drawn through with and including non metallic PVC conduit 20mm dia and its accessories fixing on wall/ ceiling/ trusses with suitable clamps , screws etc including one run of 4 Sqmm PVC insulated copper conductor cable green in colour for continuous earthing, 1.6 mm thick MS terminal box finished to wall with 3 mm thick laminated hylam sheet top cover all as specified for One 5 pin 5/15 amps socket point on independent board complete all as specified

M&L Pointing wiring in Existing conduit with 1.5 Sqmm (nominal area) PVC insulated,(FRLSH) unsheathed, multistranded, 1100 volts grade copper conductor cable single core, drawn through existing PVC/ steel heavy duty conduit 20 mm dia conduit including one run of 1.5 Sqmm PVC insulated copper conductor cable green in colour for continuous earthing, 1.6 mm thick MS terminal box finished to wall with 3 mm thick laminated hylam sheet top cover for one light/fan/5 Amp socket all as specified and directed.

M&L Pointing wiring in Existing conduit with 4 Sqmm (nominal area) PVC insulated,(FRLSH) unsheathed, multistranded, 1100 volts grade copper conductor cable single core, drawn through existing PVC/ steel heavy duty conduit 20 mm dia (concealed) conduit including one run of 4 Sqmm PVC insulated copper conductor cable green in colour for continuous earthing, 1.6 mm thick MS terminal box finished to wall with 3 mm thick laminated hylam sheet top cover for 15 Amp socket all as specified and directed.

S&F Switch piano flush type, single pole,5 Amps, 240 volts complete all specified.

S&F Switch socket 3 pin 5 amps , multi pin , flush type,complete all specified.

S&F Switch socket 3 pin 15 Amps, multipurpose, flush type complete all specified.

S&F ceiling rose 65 X 50 mm , three terminals ,bakelite , surface complete all specified.

S&F electronic fan regulator, flush type phenolic laminated sheet etc complete all as specified.

S &F Lamp holder, PVC/Polycarbonate type with back plate suitable for batten fittings complete all as specified.

Supply and Fixing of Single pole and neutral enclosure with a two pin and earth plug and socket complete with one single pole MCB 20 Amps complete all as specified.

S&F Bell , ding-dong type , AC, 215 volts, 50 HZ complete all as specified.

S&F Bell push, flush type, single pole, 5 Amps, 240 volts complete all specified.

Fixing only LED tube light fitting 20/22 watt connecting up with three core flexible copper conductor cable of suitable size from ceiling rose complete with all fixing accessoreis all as specified and directed. Note :- LED Tube light fittings shall be issuied by MES department under Sch 'B' free for fixing only.

Fixing only LED tube light fitting 10 watt connecting up with three core flexible copper conductor cable of suitable size from ceiling rose complete with all fixing accessoreis all as specified and directed. Note :- LED Tube light fittings shall be issuied by MES department under Sch 'B' free for fixing only.

Fixing only LED Bulb 9/12/15 watt, B-22 base suitable for operation on AC, single phase complete all as specified and directed. Note :- LED Bulb shall be issuied by MES department under Sch 'B' free for fixing only.

Supply and fix Decorative ECO bulkhead luminaire capacity 10/12W, environmental friendly ultra modern energy saving surface mounted, LED luminaire comprising of high brightness and including connecting up with twin core twisted flexible copper conductor cable with suitable size of 230V, 50 HZ including taking down fitting complete all as specified. Make :- Luker :- Boxy Eco1 (LBKOVSL12) /Crompton :- LBHP-10-CDL / Surya :-SLE BH 10W

Supply and fix LED building security light 25W, made up of pressure die cast housing with toughed glass and individual high power LEDs with secondary optics, IP66 protection and impact resistance of IK07 incuding drivers, connecter block etc complete pre wired & connecting up with suitable twin core flexble copper wire and suitable bracket all as per dirtected including taking down old light complete all as specified. Make :- Luker :- LSTE-30 / Crompton :- LSTS-25-CDL-M / Halonix :- BCLST 25W LED I V2

Supply & fix Recess mounting LED backlit panel ceiling light 2X2 environmental friendly new generation aesthetically designed ultra modern recess mounting luminaire with high brightness SMD LEDs as light source, LED backlit luminaire suitable for armstrong/grid ceiling complete for low ceiling applications 36 Watt LED (2'X2') complete with electronic driver, suitable for operation on AC, single phase , 220/230V , 50 Hz , including suitable size copper conductor PVC insulated connection cable , 1100 Volts grade cables not more than 5 m long and connecting up ceiling rose and fittings and testing , including taking down old fittings all as specified and as directed. Make :- Luker :- LKM2236 /Havells :- PLANO2X2PLR36WLED /Crompton:- LCTLRNE-36-FO-CDL

Supply & fix Surface mounting LED backlit panel ceiling light 2X2 environmental friendly new generation aesthetically designed ultra modern surface mounting luminaire with high brightness SMD LEDs as light source, LED backlit luminaire with podwer coated white CRCA full glow backlit LED Panel complete for ceiling applications 34 Watt LED (2'X2') complete with electronic driver, suitable for operation on AC, single phase , 220/230V , 50 Hz , including suitable size copper conductor PVC insulated connection cable , 1100 Volts grade cables not more than 5 m long and connecting up ceiling rose and fittings and testing , including taking down old fittings all as specified and as directed. Make:-Havells :- PLANOSURFACE2X2PLS34WLED857S /Crompton:- LCTLSNE-30-FO-CDL/ Luker :- LNPSRS40

Supply & fix Recess mounting LED backlit panel ceiling light 4x1 environmental friendly new generation aesthetically designed ultra modern recess mounting luminaire with high brightness SMD LEDs as light source, LED backlit luminaire suitable for armstrong/grid ceiling complete for low ceiling applications 36 Watt LED (4'X1') complete with electronic driver, suitable for operation on AC, single phase , 220/230V , 50 Hz , including provision of suitable size copper conductor PVC insulated connection cable , 1100 Volts grade cables not more than 5 m long and connecting up ceiling rose and fittings and testing , including taking down old fittings all as specified and as directed. Make :- Luker:- LKMSRS4145 Havells :- PLUTONEO4X1PLR36WLED840S / Crompton :- LCTLRNE-40-CDL(1X4)

Supply and fix Flood light luminaries LED energy saving 100 Watt, LED exlusive innovative designed, long life versatile pressure die-cast aluminium IP 65 flood light with high pressure die cast aluminium housing and impact resistant polycarbonate lens complete with all accessories and glass cover with suitable bracket or with grouted spring pressure fasterner/steel rawal plugs as directed by Engineer in Charge including connection from juction box to lilght fittings with 1.5 Sqmm 2 single core PVC insulated and unsheathed, multi stranded FRLS copper conductor cable drawn in flexible conduit including taking down the old unserviceable fitting complete all specified and directed by the Engineer-in-Charge. Make :- Luker ( LFLSL100) / Havells :- JETASTURDYNEOFLS100WLED757SSYMTOTG / Halonix :- HLFLD-ML17-100-CWL-HL2-P

Taking down existing light fitting and provision of Integral industrial SMD LED highbay fitting, 120/150 watt, IP-65 with pressure die-cast aluminium housing with integrated polycarbonate cover, with all accessories and integrated electronic driver suitable to operate on AC 220 V / 230 V, 50 Hz supply, pre wired including connecting up with suitable size cable complete all as specified and as directed. Make :- Luker (LOHY150) / Crompton:- LHP11-120-CDL/60-M / Havells :- GAZELLAHBP150WLED857BOTG

Supply and fix Surface and wall mounted LED double tube fixture, 2 x 22 Watts, universal batten for T5 and T8 lamps, including all accessories including Ultra bright glass LED Tubelight 22W, with very high efficancy suited for installation in T8/T5 fitting with G13 lamp holders complete all as specified and suitable to operate on AC 230 V, 50 Hz supply, pre wired including connecting up with suitable size copper conductor PVC insulated connection cable complete all as specified and as directed. Make : Havells:- Cat No:- STREKT8UPTO2X22WSSBSWH/CRYSTALT81213DSTL20WLED865SGLASS LUKER,Cat No:-LLTS2/LTP818(2) Crompton : Cat no :- IGP162LT8-16/LT8-20-865-(2)

M&L Double stiff pendants, comprising of galvanised steel or chromium plated brass bell mouth connectors 2 Nos with back plate and 2×1.50 metre long parallel 20mm dia galvanised or stove enamelled screwed steel conduit with two check nuts for fixing tube light fitting and upto 1.5 metre long twin core 0.5 sq. mm copper conductor flexible wire/cable complete all as specified and as directed.

Power / Sub-main wiring with PVC insulated unsheathed, FRLSH ,1100 volts, grade multistranded copper conductor, two runs of single core 6 sqmm conforming to IS-694, drawn through and including suitable dia rigid PVC conduit, conduit fittings and conduit accessories alongwith one run 6 sqmm PVC insulated single core multistranded copper conductor cable (green) as earth continuity conductor fixed on walls ceiling / roof trusses etc with fixing accessories complete and connecting to common earth dolly complete including taking down unserviceable submain wiring with accessories complete all as specified and as directed.

Power / Sub-main wiring with PVC insulated unsheathed, FRLSH ,1100 volts, grade multistranded copper conductor, four runs of single core 10 sqmm conforming to IS-694, drawn through and including suitable dia rigid PVC conduit, conduit fittings and conduit accessories alongwith one run 10 sqmm PVC insulated single core multistranded copper conductor cable (green) as earth continuity conductor fixed on wall/ ceiling / roof trusses etc. and connecting to common earth dolly complete including taking down unserviceable submain wiring with accessories all as specified and as directed.

Supply and fixing 240V, 10 KA 'B' curve miniature circuit breaker (MCB) of single poles and current carrying capacity 6 to 32 AMP, in the MCB DB Complete with connection testing and commissioning complete all as specified.

Supply and fixing 240V, 10 KA 'B' curve miniature circuit breaker (MCB) of single poles and current carrying capacity 40 AMP, in the MCB DB Complete with connection testing and commissioning complete all as specified.

Supply and fixing 240V, 10 KA 'B' curve miniature circuit breaker (MCB) of SPN and current carrying capacity 40-63 AMP, in the MCB DB Complete with connection testing and commissioning complete all as specified.

Supply and fixing 415V 10KA 'B' curve miniature circuit breaker (MCB) of TPN and current carrying capacity 40-100 Amp in the DB complete with connection testing and commissioning complete all as specified.

S&F MCB DB SPN 8 way, double door, powder coated, 240 volts, AC, 50Hz, IP 43 protected, with provision for MCB double pole as incomer and SP MCBs as outgoing with tinned copper bus bar, neutral link, earth link and connecting up complete all as specified and as directed. Note : Incoming and Outgoing MCB measured separately relevent items.

S&F MCB DB SPN 4 way, double door, powder coated, 240 volts, AC, 50Hz, IP 43 protected, with provision for MCB double pole as incomer and SP MCBs as outgoing with tinned copper bus bar, neutral link, earth link and connecting up complete all as specified and as directed. Note : Incoming and Outgoing MCB measured separately relevent items.

S&F Vertical Load line DB TP&N 4 way, double door, powder coated, 415 volts, AC, 50Hz, IP 54 protected, fixed on wall semi flush with provision for FP MCCB 100 Amps as incomer and SP MCBs 40 / 63 Amps as outgoing with tinned copper bus bar, neutral link, earth link and connecting up complete all as specified and as directed. Note : Incoming MCCB and Outgoing MCB measured separately relevent items.

S&F MCB DB TPN 4 way, distribution DB double door, powder coated, 415 volts, AC, 50Hz, IP 54 protected, fixed on wall semi flush with provision for TPN MCB 63 Amps as incomer and SP MCBs 40 Amps as outgoing with tinned copper bus bar, neutral link, earth link and connecting up complete all as specified and as directed. Note : Incoming MCB and Outgoing MCB measured separately relevent items.

S&F MCCBs100 Amps 415V,16KA, 4 Pole complete all as specified .

Material and labour, Air termination, single pointed aluminium rod 12mm dia and 300mm long, including making connection to earthing conductor, fixed as in replacement of old termination rod, complete all as specified and directed.

Supply and fix, GI pipe 25mm bore light grade (ISI marked), cut piece of 1.0 metre - 1.5 metre length or as directed by Engineer-in-Charge, fixed vertically with bottom end embeded in & including cast-insitu PCC (1:2:4) block of size 20cmx20cmx15cm including use and waste necessary fair finish form work, and other end (at top) fixed to air termination rod with necessary bolts, nuts etc as required, complete all as specified and directed.

Material and labour, test point terminal block made of gun metal or phosphorus bronze or copper, size 75mmx75mmx25mm, drilled and screwed including 3 nos. 8mm dia 25mm long hexagonal head screws, complete all as specified and directed.

Material and labour, Earth continuity conductor or main earthing lead or lightning conductor, 25mmx3.15mm aluminium strip, fixed to wall on batten with saddles and fixing screws or PVC/ Porcelain insulators etc. or recessed or chases or burried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing or roof conductors and down conductors etc. as required, including brazing on both sides (over lapping) at all joints except test point, fixed as in replacement of existing strip, complete all as specified and directed.

Supply and fixing, porcelain supporting insulator of as per existing size/adequate size fixing, on wall/roof for supporting the lightning arrester earthing strips, fixed as in repairs, complete all as specified and directed.

Labour only, testing of earth resistance value using megger and record the reading in register, and retesting and record the reading after making arrangement as to achieve earth resistance with in permissible limit with help of saline water, salt, charcoal, magnesium suphate etc. Complete all as specified and directed. Note: Salt, charcoal/coke, magenesium suplhate (MgSO4), shall be measured and paid for separately as material labour under relevant items.

Material and labour, plain cement concrete 1:3:6, type C-2 using 40mm graded crushed stone aggregate, for foundation etc, including use and waste necessary form work, and fair finishing the expose surfaces using extra cement @ 1.2 Kg/Sqm. complete, all as specified and directed.

Material & labour, Supply of salt and mixing in water, and pouring into earth pit through watering pipe of chamber, in adequate quantity as to maintain earth resistance value within permissible limit, complete all as specified and directed.

Material and labour, Supply of Charcoal/coke powder, mixing in water and pouring into earth pit through water pipe of chamber, in adequate quantity to maintain earth resistant value within permissible limit, complete all as specified and directed.

Material and labour, Supply of magnesium sulphate (MgSO4), mixing in water and pouring into earth pit through water pipe of chamber, in adequate quantity to maintain earth resistant value within permissible limit, complete all as specified and directed.

Material and labour for earth continuity conductor or main earthing lead fixed to valve on batten or recess or chases or burried in ground or drawing in conduit or any other situation for loop earthing etc as reqd 4 mm dia galvanized steel wire all as specified and directed.

Material and labour, Earth continuity conductor or main earthing conductor 32mm x 6mm Galvanised iron strip, fixed to wall on batten with saddles and fixing screws or PVC/ Porcelain insulators etc. or recessed or chases or burried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required, including brazing on both sides (over lapping) at all joints complete all as specified and directed.

Material and labour, earthing complete with GI earth plate electrode of size 600mm x 600mm x 6mm thick burried directly in ground vertically with top edge of earth plate not less than 1.5m below normal ground level (depth of pit not less than 2.25m below normal ground level), earth plate surrounded from all sides by 15cm thick packed alternate layers of charcoal dust and common salt, electrode connections using galvanized iron strip of size 32mmx6mm thick by means of welding on both sides as directed by Engineer-in-Charge and other end of earth lead connected to main switch board or main control board or test point or equipment, earth lead protected by galvanized iron pipe light grade (ISI marked) 40mm bore, alongwith watering pipe 20mm bore GI medium grade (ISI marked of specified make), funnel with wire mesh including all necessary excavation & earth work, PCC chamber in PCC (1:2:4) type B-1 & RCC cover (in lieu of CI cover), all as shown in electrical plate No 3 of MES Schedule Part-I (2009), testing on completion, including takingdown old unserviceable earth pit complete all as specified and directed.

Earthing complete with galvanised steel earth plate eletrode 60xm x 60cm x6 mm thick buried directly in ground (earth plate not less than 2.25 metres deep below normal ground level) with top edge of plate not less than 1.5 meters below normal ground level, connecting to the Galvanised iron earth strip 25x4mm by means of bolts, nuts, check nuts and washers of galvanised iron and earth wire protected by provision of GI medium grade pipe 15mm bore including provision of concrete pit in PCC (1:2:4) type B-1 using 20mm graded stone aggregates with 40mm thick cover of RCC (1:2:4) reinforced with XPM (weight not less than 4 kg/Sqm) and frame of angle iron 25x25x6mm and handle of 6mm dia MS bar made to shape, GI light grade 20mm bore pipe for watering of suitable length placed on top edge of earth plate, charcoal and common salt filling, with fixing arrangement, funnel, wire mesh and earth work in soft/loose soil, returning filling in and removal of surplus soil to a distance not exceeding 50 meterrs, complete all as per plate No-3, SSR-2009 Part-I and connecting to existing earth test point all as specified or indicated including testing on completion.

Earthing complete with galvanised iron earth plate electrode 600mm X 600mm X 6mm thick, with and including earthing of 4mm dia GI wire protected by 15mm dia GI pipe light grade upto a length of 7.5m. The plate shall be buried directly in ground vertically to a depth not less than 2.25 metres below ground level with top edge of the earth plate at a depth not less than 1.5 metres below ground level, connected to earth lead as described here-in-before by means of bolts, nuts, washers and checknuts made out of galvanised iron or mild steel, earthing lead protected by as described here-in-before and connected to main switch board or main control board or electric pole all as shown on electrical plate No.3 of MES Sch Part-I including necessary earth work and excavation in any type of soil, plain cement concrete 1:3:6, type C1 chamber, reinforced cement concrete cover slab with locking arrangement and handle of 10mm dia MS round bars 450mm long, 1:2:4 type B1, 50mm thick with 8mm dia TMT bars at 140mm centre to centre both ways, GI pipe of bore 20mm medium grade for watering with funnel, wiremesh, salt, charcoal, lugs including testing complete all as specified and as directed.

Material and Labour for MCCB 160 amp ,4 pole 415 volts ,3 phase ,50 Hz AC with adjustable thermal setting & 36 KA breaking capacity with adjustable protection for over load and short circuit and conforming to IEC60947/IS 13947/Pt.II/1993(Latest Version). The MCCB should have Ics= 75% Icu for short circuit breaking capacity of minimum 36 KA rms at 415 volts 50 Hz AC. The MCCBs shall have spreader links and barriers as standard feature of manufacturer including taking down old unserviceable one complete all as specified and as directed.

Material and Labour for MCCB 200 amp ,4 pole 415 volts ,3 phase ,50 Hz AC with adjustable thermal setting & 36 KA breaking capacity with adjustable protection for over load and short circuit and conforming to IEC60947/IS 13947/Pt.II/1993(Latest Version). The MCCB should have Ics= 75% Icu for short circuit breaking capacity of minimum 36 KA rms at 415 volts 50 Hz AC. The MCCBs shall have spreader links and barriers as standard feature of manufacturer including taking down old unserviceable one complete all as specified and as directed.

Material and Labour for MCCB 250 amp ,4 pole 415 volts ,3 phase ,50 Hz AC with adjustable thermal setting & 36 KA breaking capacity with adjustable protection for over load and short circuit and conforming to IEC60947/IS 13947/Pt.II/1993(Latest Version). The MCCB should have Ics= 75% Icu for short circuit breaking capacity of minimum 36 KA rms at 415 volts 50 Hz AC. The MCCBs shall have spreader links and barriers as standard feature of manufacturer including taking down old unserviceable one complete all as specified and as directed.

Material and Labour for MCCB 400 amp ,4 pole 415 volts ,3 phase ,50 Hz AC with adjustable thermal setting & 36 KA breaking capacity with adjustable protection for over load and short circuit and conforming to IEC60947/IS 13947/Pt.II/1993(Latest Version). The MCCB should have Ics= 75% Icu for short circuit breaking capacity of minimum 36 KA rms at 415 volts 50 Hz AC. The MCCBs shall have spreader links and barriers as standard feature of manufacturer including taking down old unserviceable one complete all as specified and as directed.

Supply and Fixing of LED post top lantern,230 V,AC, 20 W, LED, outdoor type,360 degree indirect light,CCT not less 6000K high pressure die cast aluminium housing ,heat resistance toughened glass with frame IP 65 protection LED lumen efficacy not less then 120 lumen/watt, reflector lenses for uniform light distribution on each LED with driver,lamp, bracket with impact and corrosion resistant including thermal management in multiple optics complete fixed on existing / New bracket and making connections including taking down the old one complete all as specified and as directed .

Material and labour for XLPE insulated, armoured, heavy duty electric cable with aluminum conductor, 1100 volts grade of size 2 core 16 Sqmm cross-sectionl area in replacement, fixed on wall including taking down of old unserviceable cable complete all as specified and as directed.

Attending day to day complaints of point/sub main wiring/fitting fixtures and all type of internal electrical complaints including fault rectification of any make/ model/equipment/fixturies type in position including testing of serviceability of point wiring, fitting fixtures ,finding of fault/ defect and repairing like jointing of wires/ cables properly with required jointing materials and making wiring functional etc., complete; all as specified and directed. Note:- (i) The rate quoted is deemed to be inclusive of cost of the required materials like insulation tape etc where ever required. (ii) Provn of point/sub main wiring including taking down and materials required such as switch,socket,call bell,etc of the same will be paid seperately under relavent items. (iii) Contractor or his accredited Engineer/ representative shall collect the list of daily complaints (up to 5 complaints treated as one Job) from Complaint Cell and shall engage one electrician and helper to attend all types of complaints .v) Contractor shall submit the daily list of all rectified/ non-rectified complaints to the JE Cocerned and Engineer-in-charge at the end of the day's work on each working day of unit/ AGE's office.

S&F Switch flame proof rotary type with termination box in LM6, 16A, single pole 250V complete all as specified.

Supply and fixing LED light fitting 1x16 Watt flame proof, CMRI certified recommended for gas/ vapor group of IIA & IIIB, Zone 1 & 2 and IP 65 protection with die cast aluminum housing with heat resistant toughened glass with LED tube light fixtures driver,holders, connector etc. Complete with all accessories prewired and including connecting up with three core flexible copper conductor cable with suitable size complete all as specified. Make :- Crompton/Sudhir/Shyam

Material & labour, brazing/ soldering on both sides (over lapping) to the copper strip of size 20mmx3mm and 25mmx3mm as earthing lead, including dismantling the old from the existing position/ equipment without disturbing the functional requirements of the equipments, and reconnecting, after repair/brazing, complete all as specified and directed.

Material and labour, earthing complete with copper earth plate electrode of size 600mm x 600mm x 3.15mm thick burried directly in ground vertically with top edge of earth plate not less than 1.5m below normal ground level (depth of pit not less than 2.25m below normal ground level), earth plate surrounded from all sides by 15cm thick packed layers of mixture of magnesium sulphate (MgSO₄) and alternate layers of charcoal dust and common salt, electrode connections using copper strip of size 20mmx3mm thick by means of welding on both sides as directed by Engineer-in-Charge and other end of earth lead connected to main switch board or main control board or test point or equipment, earth lead protected by galvanized iron pipe light grade (ISI marked) 40mm bore, alongwith watering pipe 20mm bore GI medium grade (ISI marked of specified make), funnel with wire mesh including all necessary excavation & earth work, PCC chamber in PCC (1:2:4) type B-1 & RCC cover (in lieu of CI cover), all as shown in electrical plate No 3 of MES Schedule Part-I (2009), testing on completion with megger complete all as specified and directed.

PSK Enterprises

M/s Bakiyalakshmi Enterprises