REPAIR MAINT OF DG SET OF VARIOUS CAPACITY ALLIED WORKS AND REPAIR MAINTENANCE OF LT UG CABLE LT PANELS AND ALLIED WORKS AT MOUZA DALAN AND SIRSA CAMP AREA AT ARMY STN KATIHAR UNDER GE AF PURNEA

Amount

M&L for complete servicing/ overhauling of DG set comprising of the following works for the capacity 160 KVA complete all as specified and as directed by the Engr-in-Charge :- (a) Dismantling all the parts carefully, segregating unserviceable spare parts. (b) Cleaning all sludge/deposits in the oil sump and removed off from the site. (c) Cleaning and replacing the primary, secondary and bi-pass fuel filters. (d) Cleaning and replacing oil filters and air filters. (e) Replacement of all unserviceable spares like hose pipes, fuel indication tubes, battery terminals, fan belts, injector pipe, o ring, CR bearing, etc as required at site. (f) Refixing of all serviceable spare parts. (g) Topping up of coolant. (h) Draining out unserviceable engine oil from engine, refill with new. (j) Testing on competion of work. Note : Engine oil, coolant and all new spare parts will be measured and paid separately.

All as per item no.01 above but of capacity 125 KVA DG Set,complete all as specified and directed.

All as per item no.01 above but of capacity 63 KVA DG Set,complete all as specified and directed.

All as per item no.01 above but of capacity 35 KVA DG Set,complete all as specified and directed.

Supply only for replacement of following unserviceable parts suitable for DG Set of capacity 160 KVA against Sch item No. 1 above :- (a) Fuel Filter Element Pre Make Existing Kirlosker /Mico or equivalent

(b) Fuel Filter Element micro Make Existing Kirlosker /Mico or equivalent

(c) Lub Oil Filter Make Existing Kirlosker /Mico or equivalent

(d) Air cleaner element inner &outer. Make Existing make Kirlosker /Mico or equivalent

(e) Rubber Hose pipe

(f) Flexible fuel pipes

(g) Fan Belts. Make Existing Fenner

(h) Stop Solenoid Assly

(j) Electric Relay (BAGLI - IN) for sensing and signaling to control circuits. Existing make Kirlosker /Mico or equivalent

Supply only for replacement of following unserviceable parts suitable for DG Set of capacity 125 KVA against Sch item No. 2 above :- (a) Fuel Filter Element Pre. Existing make Kirlosker /Mico or equivalent

(b) Fuel Filter Element micro. Existing make Kirlosker /Mico or equivalent

(c) Lub Oil Filter Element. Existing make Kirlosker /Mico or equivalent

(d) Air cleaner element inner &outer. Existing make Kirlosker /Mico or equivalent

(e) Rubber Hose pipe

(f) Flexible fuel pipes

(g) Fan Belts. Make Existing make Fenner

(h) Lub Oil Pipe

(j) Injector pipe

(k) Injector over flow pipe.

(l) Set of O ring

(m) CR bearing STD

(n) Cylinder head gasket

(o) CR Bush STD

Supply only for replacement of following unserviceable parts suitable for DG Set of capacity 63 KVA against Sch item No. 3 above :- (a) Fuel Filter Element Pre Make Existing make Kirlosker /Mico or equivalent

(b) Fuel Filter Element micro Make Existing make Kirlosker /Mico or equivalent

(c) Lub Oil Filter Element Make Existing make Kirlosker /Mico or equivalent

(d) Air cleaner element inner &outer. Make Existing make Kirlosker /Mico or equivalent

(e) Flexible fuel pipes

(f) Mobil Pressure Pipe

(g) Rubber Hose Pipes

(h) Fan Belt Make Existing make Fenner or equivalent

(j) Hose for air cleaner

(k) Connecting Rod assy

(l) Cylinder liner

(m) Piston complete

(n) Set of joint

(o) Set of O ring

(p) Cylinder head gasket

(q) valve pair

(r) valve Guide

(s) valve seat inlet

(t) valve colet

(u) valve Tappet

(v) lub oil pump assly

(w) Expansion Valve

(x) Stop Solenoid Assly

(y) Flexible coupling. Make Existing make Kirlosker

(z) Radiator Fan

(aa) Lub Oil Drain Pipe

Supply only for replacement of following unserviceable parts suitable for DG Set of capacity 35 KVA against Sch item No.4 above :- (a) Fuel Filter Element Pre Make Existing make Kirlosker /Mico or equivalent

(b) Fuel Filter Element micro Make Existing make Kirlosker /Mico or equivalent

(c) Lub Oil Filter Make Existing make Kirlosker /Mico or equivalent

(d) Air cleaner element inner &outer. Make Existing make Kirlosker /Mico or equivalent

(f) Rubber Hose pipe

(h) Flexible fuel pipes

(j) Fan Belts Make Existing Fenner

(k) Expansion Valve

(l) Flexible coupling. Make Existing Kirloskar

(l) Cylinder liner

(n) Connecting Rod assy

Supply only heavy duty coolant concentrate ultimate protection for increasing engine life for DG set capacity ranging from 35 KVA to 160 KVA complete all as specified and as directed by the Engr-in-Charge. Make : Fleet guard Batch No 16311 or equivalent approved make.

Supply only engine oil of grade 20w 40 brought at sight in sealed container for DG set capacity ranging from 35 KVA to 160 KVA complete all as specified and as directed by the Engr-in Charge. Make :- Power oil/ castrol/gulf /servo Note: Contractor will submit purchase voucher and manufacturer test certificate in original before any payment.

Repair of battery charging set capacity 12V/24V 180 AH and carring out following repair work and it serviceable with changing of minor part as reqd :- (a) Rewinding of rectifier Transformer of battery charging set capacity 12/ 24 Volt single phase 230 volt including varnishing - 01 Each job (b) Toggle switch for volt/ Amp meter- 02 Nos (c) Volt meter and Amp meter as suitable for battery charger-01 Nos (d) S&F Fuses suitable for battery charger of 12/24 Volt - 01 Each

M&L for taking out self starter of DG Set of 63 KVA , opening into parts for segregating serviceable & unserviceable parts, cleaning the serviceable parts for re-use, greasing, oiling, re-assembling the self starter and replacement of following unserviceable parts :- (a) Carbon bushes (b) Brass plunger (c) Solenoid switch (d) Body brass nut (e) Funnel coil

All as per item no. 12 above but for stand by DG Set capacity 125 KVA ,complete all as specified and as directed by the Engr-in Charge.

S&F in replacement of Battery terminal Lead of copper of existing size having on end battery terminal of brass and thimble on other ends 1.5 mtrs long complete all as directed by Engr- in- Charge.

Cleaning of radiator of DG set of any capacity by gauging using Kerosene oil , radiator clening solution, with hydraulic pressure of pump and brush and necessary soldering work as reqd as spcified by Engr- in -Charge.

Checking of windings of alternator coils of 35 kVA DG set, diamantling and transporting it to workshop, stripping of faulty winding of excitor coil, armature winding, thorough cleaning with suitable cleaning agent, segregating its serviceable and unserviceable parts and replacement of under mentioned worn out parts assembling and transporting back and refitting in original position and testing after completion all as specified and as directed. :- (a) Carbon bushes (b) Rectifier bolt bearing (c) Bearing (d) Rewinding of alternator with suitable size of copper wire and complete baking, heat varnishing and curing of all winding parts complete. (e) Cable connector with suitable size of alluminium lugs.

All as per item no.16 above but stand by DG Set capacity 63 KVA,complete all as specified and directed.

All as per item no.16 above but stand by DG Set capacity 125 KVA,complete all as specified and directed.

Supply and replacement of Battery of Capacity 12 Volt and 150 AH Of DG set complete all as specified and directed.

Supply and replacement Battery of Capacity 12 Volt and 180 AH of DG set complete all as specified and directed.

Supply and fixing push button suitable for existing panel complete all as specified and as directed.

Taking down water pump assembly from the existing position, opening into parts overhauling the same with replacement of water pump repair kit, ball bearing (1No) (Make SKF/NBC), water pump, gasket seal, oil seal and re-assembling and refixing on the base for the following capacity of DG sets complete all as specified and as directed by the Engr-in-Charge:- (a) 160 KVA DG Set

(b) 125 KVA DG set

(c) 63 KVA DG set

Taking down the Dynamo 12 Volts (Make LUCAS) from the existing position, shifting to the work shop, opening into parts, cleaning to sort out the unserviceable part, replace by new one, rewinding and warnishing of coil, reassembling and refixing to its base including transportation charge from work shop to the site for the following capacity of DG sets complete all as specified and as directed by the Engr-in-Charge:- (a) 160 KVA DG Set

(b) 125 KVA DG set

(c) 63 KVA DG set

Maintenance, servicing, tunning of diesel engine by calibration of FIP's adjustment of nozzle pressure and other controls and testing for following capacity of engine complete all as specified and as directed by the Engr-in-Charge:- (a) 160 KVA DG Set

(b) 125 KVA DG set

(c) 63 KVA DG set

Dismantling the existing corroded outdoor panel board including all unserviceable accessories and Supply, installation, commissioning and testing as in replacement outdoor type LT panel board of suitable size (Minimum 900 x 900x 300 mm) with 3.15 mm thick MS sheet with top inclined canopy, floor mounted type, with base frame and four Nos. legs of 450 mm length made up of 40x40x 5mm angle iron, both side opening, having Copper busbar of suitable size of rated 300 Amps (3 Nos Phase + 1 No. Neutral half in capacity of phase) with separate chambers to accommodate and including following accessories: INCOMER DETAILS:- (a) MCCB adjustable thermal magnetic release 160A, 25 KA, 4pole - 01 Nos. (b) Digital voltmeter :-01 Nos, (c) Digital Ammeter : -01 Nos, (d) CT 400/5 Amp: -01 Nos, (e) R-Y-B indicator light. set of 3 -01 Nos, Outgoing details:- (a)MCB SPN 32 Amps,10 KA, C- series - 12 Nos Note: (i) PCC rate for foundation to be included in this item rate. (ii) All accessories for LT distribution panel must be OEM recommendation.)

Dismantling the existing corroded indoor energy meter panel board including all unserviceable accessories and Supply, installation, commissioning and testing as in replacement indoor type energy meter panel board of suitable size (Minimum 600 x 600x 300 mm) with 2 mm thick MS sheet, wall mounted type with base frame made up of 40x40x 5mm angle iron, front side opening, having Copper busbar of suitable size of rated 100 Amps (3 Nos Phase + 1 No. Neutral half in capacity of phase) with separate chambers to accommodate and including following accessories: INCOMER DETAILS:- (a) MCCB adjustable thermal magnetic release 63 A, 25 KA, 4 pole - 01 Nos. (b) Digital voltmeter : -01 Nos (c) Digital Ammeter : -01 Nos (d) CT 400/5 Amp,: -01 Nos (e) R-Y-B indicator light. set of 3 -01 Nos Outgoing details:- (a) MCB SPN 40 -63 Amps,10 KA, C- series - 04 Nos (b) old existing energy meter -04 Nos Note: (i) PCC rate for foundation to be included in this item rate. (ii) All accessories for LT distribution panel must be OEM recommendation.)

Dismantling the existing corroded outdoor panel board including all unserviceable accessories and Supply, installation, commissioning and testing as in replacement outdoor type LT panel board of suitable size (Minimum 900 x 900x 450 mm) with 3.15 mm thick MS sheet with top inclined canopy, floor mounted type, with base frame and four Nos. legs of 450 mm length made up of 40x40x 5mm angle iron, both side opening, having Copper busbar of suitable size of rated 300 Amps (3 Nos Phase + 1 No. Neutral half in capacity of phase) with separate chambers to accommodate and including following accessories: INCOMER DETAILS:- (a) MCCB adjustable thermal magnetic release 160A, 25 KA, 4pole - 01 Nos. (b) Onload changeover switch 160A 4pole - 01 Nos. (c) Digital voltmeter : -01 Nos (d) Digital Ammeter: -01 Nos (e) CT 400/5 Amp: -01 Nos (f) R-Y-B indicator light. set of 3 -01 Nos Outgoing details:- (a) MCCB adjustable thermal magnetic release 160A, 25 KA, 4pole - 01 Nos. (b) MCB SPN 40 - 63 Amps,10 KA, C- series - 4 Nos Note: (i) PCC rate for foundation to be included in this item rate. (ii) All accessories for LT distribution panel must be OEM recommendation.)

S&F in repairs AVR for DG set capacity of 63 KVA , complete all as specified and as directed.

S&F in repairs AVR for DG set capacity of 125 KVA , complete all as specified and as directed.

S&F in repairs AVR for DG set capacity of 160 KVA , complete all as specified and as directed.

M&L for repair of LT panel doors, hinges locking arrangements including welding works, complete all as specified and directed.

Material and labour for painting of panel board of any size at various locations with two coats of superior quality synthetic enamel paint first grade including cleaning of existing surface of all loose dirts and greasy spots, preparation of surfaces and making of incoming feeder or outgoing feeder with letters n exc 15 mm height and necessary disconnection of electric connection and reconnection of same after completion of painting work complete all as specified and as directed by the Engr -in -Charge. Note:- Superficial area for the pourpose of painting shall be consider not greater than 15 sqm.complete all as specified and directed.

M&L for taking out LT Panel board by disconnecting its all incoming and outgoing cables from MCCBs from its position by breaking of PCC and fixing the same on another or same position by making PCC of Type (1:3:6) Type C2 of 1 mtr height from ground level to save feeder piller from water logging during rainy season and making connection of its all outgoing and incoming cables, complete all as specified and as directed.

M&L for preparation of surface for painting to engine, alternator body, radiator, fuel tank, mounting rod etc of DG Set Capacity 63/125/160 KVA by scraping the existing paint carryout spray painting and applying two coats of existing colour of synthetic enamel paint over a coat of red oxide primer and applying two coats of heat resistance paint to engine and exhaust pipe including filling putties making smooth surface and writing MES Number, SM Numbers, Tank cleaned on the fuel tank complete all as specified and directed by Engr-in-charge.

Supply and fixing timelite distribution board 40A 3Pole / 230V with Digital Time Switch,complete all as specified and as directed.

Supply and fix onload Change Over switch of 320A Rating , 4 pole, AC inopen execution after taking out old unsv one complete all as specified and directed.

Material and labour for Brick Work with Sub-Class ‘B’ Bricks (with Old Size Bricks), Straight or Curved on Plan exc. 6.0 m mean Radius, built in Cement Mortar (1:6), complete all as specified and as directed.

Material & labour for 15mm thick rendering with cement mortar (1:4) on brick or concrete surfaces, finished the surface even and smooth without using extra cement complete all as specified and as directed.

Material and labour for Cement concrete (1:3:6) type -C2 (using 40 mm graded stone aggregate)in foundation,filling and mass concrete.complete all as specified and as directed.

Cutting vegetation and surface dressing n exc 15 cm deep including removing the materials to a distance n.ecx 60 mtr complete all as specified and as directed by Engr-in-Charge.

S&F automatic transfer switch (ATS) of capacity 415 volts,315 Amps.complete all as specified and as directed by Engr-in-Charge.

Supply and fixing as in replacement Adjustable type thermal magnetic release MCCB 400 Amps, 35 KA, 4 Pole including spreader terminal and suitable size lugs complete all as specified and directed.

Supply and fix as in replacement Adjustable type thermal magnetic release MCCB 200 Amps, 4 Pole 35 KA including suitable size lugs, complete all as specified and directed.

Supply and fix as in replacement Adjustable type thermal magnetic release MCCB 125 Amps, 4 Pole 25 KA including suitable size lugs complete all as specified and directed.

Supply and fix as in repair Change over switch 250 Amps, 4 pole in sheet steel enclosure including fittings fixtures for fixing on wall complete all as specified and directed.

Supply and fix as in repair Change over switch 100 Amps, 4 pole in sheet steel enclosure including fittings fixtures for fixing on wall complete all as specified and directed.

Supply and fix as in repair Change over switch 63 Amps, 4 pole in sheet steel enclosure including fittings fixtures for fixing on wall complete all as specified and directed.

Dismantling the existing corroded outdoor panel board including all unserviceable accessories and Fabrication, Supply and installation as in replacement outdoor type LT panel board of suitable size (Minimum 1000 x 1200x 450 mm) with 3.15 mm thick MS sheet with top inclined canopy, floor mounted type, with base frame and four Nos. legs of 450 mm length made up of 40x40x 5mm angle iron, both side opening, having Copper busbar of suitable size of rated 400 Amps (3 Nos Phase + 1 No. Neutral half in capacity of phase) with separate chambers to accommodate and including following accessories: INCOMER DETAILS:- (a) MCCB adjustable thermal magnetic release 250A, 35 KA, 4pole - 01 Nos. (b) Digital voltmeter :-01 Nos, (c) Digital Ammeter :-01 Nos, (d) CT 400/5 Amp:-01 Nos, (e) R-Y-B indicator light. set of 3 -01 Nos, Outgoing details:- (a) MCCB adjustable thermal magnetic release 125 Amps, 25KA, 4P - 3 Nos (b) MCB SPN 40 Amps,10 KA, C- series - 02 Nos

Dismantling the existing corroded outdoor panel board including all unserviceable accessories and Fabrication, Supply and installation as in replacement outdoor type LT panel board of suitable size (Minimum 900 x 900x 300 mm) with 3.15 mm thick MS sheet with top inclined canopy, floor mounted type, with base frame and four Nos. legs of 450 mm length made up of 40x40x 5mm angle iron, both side opening, having Copper busbar of suitable size of rated 400 Amps (3 Nos Phase + 1 No. Neutral half in capacity of phase) with separate chambers to accommodate and including following accessories: INCOMER DETAILS:- (a) MCCB adjustable thermal magnetic release 250A, 35 KA, 4pole - 01 Nos. (b) Digital voltmeter: -01 Nos, (c) Digital Ammeter:-01 Nos, (d) CT 400/5 Amp:-01 Nos, (e) R-Y-B indicator light. set of 3 -01 Nos, Outgoing details:- (a) MCCB adjustable thermal magnetic release 63 Amps, 16KA, 4P - 1 Nos (b) MCB SPN 32 Amps,10 KA, C- series - 15 Nos

Dismantling the existing corroded outdoor panel board including all unserviceable accessories and Fabrication, Supply and installation as in replacement outdoor type LT panel board of suitable size (Minimum 900 x 900x 300 mm) with 3.15 mm thick MS sheet with top inclined canopy, floor mounted type, with base frame and four Nos. legs of 450 mm length made up of 40x40x 5mm angle iron, both side opening, having Copper busbar of suitable size of rated 300 Amps (3 Nos Phase + 1 No. Neutral half in capacity of phase) with separate chambers to accommodate and including following accessories: INCOMER DETAILS:- (a) MCCB adjustable thermal magnetic release 160A, 25 KA, 4pole - 01 Nos. (b) Digital voltmeter :-01 Nos, (c) Digital Ammeter :-01 Nos, (d) CT 400/5 Amp, :-01 Nos, (e) R-Y-B indicator light. set of 3 -01 Nos, Outgoing details:- (a) MCB SPN 32 Amps,10 KA, C- series - 15 Nos

Dismantling the existing corroded outdoor panel board including all unserviceable accessories and Fabrication, Supply and installation as in replacement outdoor type LT panel board of suitable size (Minimum 1000 x 1200x 450 mm) with 3.15 mm thick MS sheet with top inclined canopy, floor mounted type, with base frame and four Nos. legs of 450 mm length made up of 40x40x 5mm angle iron, both side opening, having Copper busbar of suitable size of rated 400 Amps (3 Nos Phase + 1 No. Neutral half in capacity of phase) with separate chambers to accommodate and including following accessories: INCOMER DETAILS:- (a) MCCB adjustable thermal magnetic release 250A, 35 KA, 4pole - 01 Nos. (b) Digital voltmeter -01 Nos, (c) Digital Ammeter -01 Nos, (d) CT 400/5 Amp -01 Nos, (e) R-Y-B indicator light. set of 3 -01 Nos, Outgoing details:- (a) MCCB adjustable thermal magnetic release 63 Amps, 16KA, 4P -1 Nos (b) MCCB adjustable thermal magnetic release 100 Amps, 25KA, 4P - 3 Nos

Supply and fix as in replacement Adjustable type thermal magnetic release MCCB 100 Amps 4 Pole 25 KA including suitable size lugs, complete all as specified and directed.

Supply and fix as in replacement Adjustable type Thermal magnetic release MCCB 63 Amps, 4 Pole 16 KA including suitable size lugs complete all as specified and directed.

Excavation in trenches, n. exc 1.5 m wide and n.exc 1.5 m in depth for laying of cables and getting out in soft/ loose soil complete all as specified and as directed by Engr-in-Charge.

Returning, filling in including spreading leveling, watering and well ramming in layers not exceeding 25 cm complete all as specified and as directed by the Engr-in-Charge.

Removing excavated soil to a distance not exceeding 50 metre and depositing where directed at a level , not exceeding 1.5 metre above the starting point complete all as specified and as directed by the Engr-in-Charge

Supply and lay for dry river sand filling for cable protection with a layer of 8cm deep before laying and 15cm covering above the top edge of cable after laying complete all as specified and directed. (Note : Punned thickness shall be measured). Note :- Punned thickness 18 cm shall only be considered for payment

Supply and laying burnt brick sub class 'B' of size 25 X 12.5 X 7.5 cm locally available best quality laid in trenches for protections of under ground cable complete all as specified and as directed by the Engr-in-Charge .

Supply and fixing as in replacement 40mm bore steel tubes "light grade" galvanized with all fittings and fixed to walls and over ceilings complete all as specified and as directed by the Engr-in-Charge.

Cutting existing metal/bituminus road/PCC walk way/any type of tile works n.exc 0.45m width and n.exc 0.90 m in depth including all connected earth work and making good disturbed surfaces matching with the existing specification and finish including disposal of surplus material to a distance n.exc 50m complete all as specified and as directed by Engr-in-Charge.

Supply and laying under ground XLPE insulated PVC sheathed (Heavy duty) armoured 1100 volts grade aluminium conductor cable of size 35 Sqmm 3.5 core as per IS 7098 (Part I) in trenches / through pipe or bare in road crossing / duct / floor / wall etc including connection with cable glands, aluminium lugs etc including taking down/up existing unserviceable cable complete all as specified and as directed by the Engr-in-Charge. Note : Earth work, brick protection and sand cushioning will be measured and paid separately under respective item.

All as per item no.61 here in -above but of size 50 sq. mm 3.5 core .complete all as specified and as directed by the Engr-in-Charge.

All as per item no.61 here in -above but of size 70 sq. mm 3.5 core .complete all as specified and as directed by the Engr-in-Charge.

All as per item no.61 here in -above but of size 120 sq. mm 3.5 core .complete all as specified and as directed by the Engr-in-Charge.

All as per item no.61 here in -above but of size 150 sq. mm 3.5 core .complete all as specified and as directed by the Engr-in-Charge.

All as per item no.61 here in -above but of size 10 sq. mm 2 core .complete all as specified and as directed by the Engr-in-Charge.

Supply and fix cable jointing kit for 1.1 KV grade cable, cold Shrinkable type straight through joint complete with Jointing material and accessories suitable for XLPE, armoured, Al conductor cable of size 25 to 50 Sqmm 3 ½ core,complete all as specified and as directed by the Engr-in-Charge.

All as per item no. 67 here in -above but of size 70 to 120 sq. mm 3.5 core .complete all as specified and as directed by the Engr-in-Charge.

Supply and fix as in replacement of CT 400/5, 10 VA accuracy class 0.5 complete all as specified and as directed.

Supply and fix as in replacement of CT 200/5, 10 VA accuracy class 0.5 complete all as specified and as directed.

Supply and fix as in repair digital VAF multifunction meter flush mounting 96mm X 96mm complete all as specified and as directed. Make : Schneider conserv DM6100 or equivalent make of L&T/AE, C&S.

Supply and fix as in replacement of LED digital Ammeter 3 phase Cl 0.5 complete all as specified and as directed. Make : L&T Cat No. WL 131020OOOO or equivalent Iin AE/ Schneider,C&S.

Supply and fixing as in replacement LED digital Voltmeter 3 phase Cl 0.5 complete all as specified and as directed. Make : L&T Cat No. WL 132020OOOO or equivalent Iin AE/ Schneider,C&S.

Supply and fix as in replacement MD—XL Double metalized paper (Extra Low Loss) Capacitor for 3 phase, 440 V, 50 Hz system for permissible non- liner load 20% of capacity 5 KVAR,complete all as specified and as directed.

All as per item no 53 here in -above but of 10 KVAR.complete all as specified and as directed.

Materials and labour for earthing as in repair complete with galvanised iron earth plate electrode 600 mm x 600 mm x 6 mm thick, burried directly and preferably vertically in ground, earth pit not less than 2.25 Mtr deep below ground level with top edge of the plate not less than 1.5 m below ground level connetced with galvanised iron strip of size 32 x 6mm by means of nuts, bolts, check nuts and washers made of galvanised iron or steel, earthing lead to be protected by galvanised iron pipe 40 mm bore (medium grade) and other end connected to earthing test point or transformers or DG Sets or LT panels or pumps as directed including providing funnel with wire mesh of 20mm bore galvanised iron pipe (light grade) for watering, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia TMT bar @ 15 cm C/C bothways and suitable handle made of 10mm dia) including necessary earth work in excavation, returning filling and removal of surplus earth soil upto a distance not exceeding 50 m etc all as shown on electrical plate No. 3 of MES Schedule Part-I(2009) complete including testing on completion all as specified and as directed by the Engr-in-Charge. Note :- If the desired earth resistance is not found, earthing shall be redone by the contractor at no extra cost to the department.

M&L for earth continuity conductor of 32 x 6 mm copper strip fixed to wall on batten or recess or chases or burried in ground or drawn in conduit/pipe or any other indicated situation for loop earthing etc,complete all as specified and directed.

M/S. R.K. ENTERPRISES