REPAIR/ MAINT TO HT LINE AND UG CABLE INCLUDING VCBS, HT PANELS FOR 11/33 KV SUB STATION AT BAGRAKOTE MILITARY STATION UNDER GE SEVOKE ROAD

M&L for dehydration of transformer oil through on load mobile stream line transformer oil filtration plant at site with all accessories connected to transformer and carrying out filtration of oil for desired dielectric strength i.e. not less than 55 KV at 2.5 mm gap Note:- Oil to be tested before and after filtration and test report to be submitted by the contractor, complete all as specified and as directed by Engineer- in- charge.

Disconnection of both HT and LT connection from cable end box, taking down the disconnected transformer(Outdoor/indoor type) from platform, and transportation of unserviceable transformer complete unit to contractor workshop including loading/unloading of capacity 63KVA to 150KVA, 11/0.433 KV complete all as specified and as directed by Engineer- in- charge. (a) Disconnecting and taking down faulty / defective copper wound transformer , opening the top cover, draining out unserviceable insulation oil, and carrying out the following work. (b) Complete Rewinding of HT / LT leg coil complete using copper wire of appropriate gauge, size and turn as existing with double paper coated insulation including all requisite insulating materials like packing sleeves, separator, tapes etc. as specified and existing, heating, varnishing the core and winding assembly after framing up top and bottom steel structure of transformer all as specified and directed. (HT / LT Leg coils copper wound shall be measured and paid separately under relevant item of Sch ‘A’ here-in-after). (c) Replacement of all insulating materials other than incorporated for rewinding of LT/HT coils as existing. (d) Fixing of HT porcelain bushing with studs, nuts, washers 3 Nos and LT porcelain bushing with studs, nuts and washers 4 Nos and connection with primary and secondary winding main terminals all as directed and specified. (HT/LT bush with stud, nuts, washers shall be measured and paid separately under relevant item of this Schedule )

All as per serial item No. 03 as above but of capacity 200 KVA to 315KVA, 11/0.433 KV but Using copper winding wire/strips of Appropriate gauge/size for rewinding, complete all as specified and as directed by Engineer- in- charge. (HT / LT Leg coils shall be measured and paid separately under relevant item of this schedule), complete all as specified and as directed by Engineer- in- charge.

All as per serial item No. 03 as above but of capacity 400 KVA to 750KVA, 11/0.433 KV but Using copper winding wire/strips of Appropriate gauge/size for rewinding, complete all as specified and as directed by Engineer- in- charge. (HT / LT Leg coils shall be measured and paid separately under relevant item of this schedule), complete all as specified and as directed by Engineer- in- charge.

Supply only pure Nomax paper class 'F' for transformer coil insulation for insulation for HT & LT coil in any type of transformers of specified rating, complete all as specified and as directed by Engineer- in- charge.

Supply only LT leg coil of copper conductor/ strips for transformer of capacity up to 1000 KVA complete with insulation, varnishing by vacuum impregnation and baking of coil assembly, etc, complete all as specified and as directed by Engineer- in- charge.

Supply only HT leg coil of copper conductor for transformer of capacity up to 1000 KVA complete with insulation, varnishing by vacuum impregnation and baking of coil assembly, etc, complete all as specified and as directed by Engineer- in- charge.

Disconnecting the transformer (plinth/ pole mounted/ outdoor/ indoor 11 KV/ 433 volts) from HT/ LT system and opening carefully by draining out the transformer oil for stopping the leakages by replacing the following unserviceable spare parts of capacity 63 KVA to 750 KVA including refilling the transformer oil and reassembling after repairs and ensuring no leakages, loose connections on HT/ LT side & charging the system complete all as specified and as directed in (Spare parts will be measured and paid separately under relevant supply only items), complete all as specified and as directed by Engineer- in- charge.

Supply only of LT Porcelain Bushing with Brass stud, nuts and washers (Set of 04) for transformer cap 63KVA to 200 KVA ,11/0.433 KV , complete all as specified and as directed by Engineer- in- charge.

Supply only of LT Porcelain Bushing with Brass stud, nuts and washers (Set of 04) for transformer cap 250KVA to 750 KVA ,11/0.433 KV, complete all as specified and as directed by Engineer- in- charge.

Supply only of HT Porcelain Bushing with Brass stud, nuts and washers (Set of 03) for transformer cap 63KVA to 200 KVA, 11/0.433 KV , complete all as specified and as directed by Engineer- in- charge.

Supply only of HT Porcelain Bushing with Brass stud, nuts and washers (Set of 03) for transformer cap 200KVA to 750 KVA ,11/0.433 KV, complete all as specified and as directed by Engineer- in- charge.

Supply only of rubber insertion sheet 4mm thick for top cover and other joints for transformer capacity up to 750KVA ,11/0.433 KV, complete all as specified and as directed by Engineer- in- charge.

Supply only of air breather for transformer complete for transformer of capacity 100KVA to 400 KVA, complete all as specified and as directed by Engineer- in- charge.

Supply only the Explosion vent diaphragm of required size, complete all as specified and as directed by Engineer- in- charge.

Supply only 25 mm gun metal gate valve with iron wheel head both ends screwed ISI marked including dismantling of old gun metal gate valve, complete all as specified and as directed by Engineer- in- charge.

S&F in repair of Silica gel in granular form of transformer air breather, complete all as specified and as directed by Engineer- in- charge.

M&L for painting transformer complete by removing existing oil paint by scrapping and applying two coats of approved colour synthetic enamel paint (1st grade quality) over a coat of primer after preparation of surfaces including writing SM / MES numbers and date of oil tested etc. all as directed by Engr-In-Charge and applying one coat of cement base paint on transformer plinth complete all as specified and as directed for the Transformer of capacity 25 KVA to 75 KVA, 11 KV/0.433 KV., complete all as specified and as directed by Engineer- in- charge.

M&L for painting transformer complete by removing existing oil paint by scrapping and applying two coats of approved colour synthetic enamel paint (1st grade quality) over a coat of primer after preparation of surfaces including writing SM / MES numbers and date of oil tested etc. all as directed by Engr-In-Charge and applying one coat of cement base paint on transformer plinth, transformer of capacity 25 KVA to 75 KVA, 11 KV/0.433 KV, complete all as specified and as directed by Engineer- in- charge.

M&L for painting transformer complete by removing existing oil paint by scrapping and applying two coats of approved colour synthetic enamel paint (1st grade quality) over a coat of primer after preparation of surfaces including writing SM / MES numbers and date of oil tested etc. all as directed by Engr-In-Charge and applying one coat of cement base paint on transformer plinth, Transformer of capacity 300 to 750 KVA, 11 KV/0.433 KV, complete all as specified and as directed by Engineer- in- charge.

S&F in repair of transformer oil for topping up of transformers any capacity all as conforming to IS - 335 at different transformers & different locations. Note : The dielectric strength of the transformer oil must be 45 KV r.m.s (min, complete all as specified and as directed by Engineer- in- charge. Note : i) Test certificate in respect of the same to be submitted by the contractor duly signed by the Engr-In-Charge. ii) The dielectric strength of the transformer oil must be more than 45 KV (min).

M&L for steel tubular swaged poles complete with cast iron base plate, finial taper plug bolts, nuts & screw as specified type 410 SP-31, 9.0 meter long including taking down old unservieable one, complete all as specified and as directed by Engineer- in- charge.

M&L for steel swaged poles complete with cast iron base plate, finial taper plug bolts, nuts & screw as specified type 410 SP-55, 11.0 meter long including taking down old unservieable one, complete all as specified and as directed by Engineer- in- charge.

S&F 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 32x6mm galvanised iron strip complete all as specified and as directed, complete all as specified and as directed by Engineer- in- charge.

Supply, install, testing & commissioning in repair of gang operated device (GOD), triple pole, current rating 400 amps, HT 11 KV vertical, mechanically operated mounted on insulators and steel frame with operating mechanism operated from ground with and including jumper connection with ACSR conductor along with PVC pipe covering with colour code between main supply and GOD including taking down old unservieable one, complete all as specified and as directed by Engineer- in- charge.

M&L for swing out expulsion fuse single pole (drop out fuse) with porcelain/ resin cast insulators and brass metal parts for 11000 volts of capacity 100amps including taking down old unservieable one, complete all as specified and as directed by Engineer- in- charge.

Servicing the 11/33 KV GOD by cleaning the contact, disc / pin insulator with CRC cleaning agents and applying petroleum jelly at the contact points / down rod links for smooth operation including replacement of rusted / corroded bolts & nuts and defective insulator of GOD as required complete all as specified & as directed by Engineer - in - Charge. Note :- Spare parts shall be measured and paid superlatively under relevant items of this schedule.

Supply only Male / Moving contact (Nife) made of brass or gun metal with brass nuts & bolts , complete all as specified and as directed by Engineer- in- charge.

Supply only Female / Fixed top contact made of brass or gun metal with brass nuts & bolts, complete all as specified and as directed by Engineer- in- charge.

Supply only Female / Fixed bottom part made of brass or gun metal with brass nuts & bolts and copper ribbon, complete all as specified and as directed by Engineer- in- charge.

M&L for painting to HT steel tubular pole 11.0 meter long after preparing of surfaces in all respect for making smooth surface and painting with one coats of aluminium paint upto 9.5mtr including cross arms/ MS channels and black/red paint in rest 1.5 mtr height from bottom of pole , complete all as specified and as directed by Engineer- in- charge.

M&L for painting to HT steel two pole structures 11.0 meter long after preparing of surfaces in all respect for making smooth surface and painting with one coats of aluminium paint upto 9.5mtr including cross arms/ MS channels and black/red paint in rest 1.5 mtr height from bottom of pole , complete all as specified and as directed by Engineer- in- charge.

M&L for painting to HT steel four pole structures 11.0 meter long after preparing of surfaces in all respect for making smooth surface and painting with one coats of aluminium paint upto 9.5mtr including cross arms/ MS channels and black/red paint in rest 1.5 mtr height from bottom of pole , complete all as specified and as directed by Engineer- in- charge.

M&L for painting to LT steel tubular pole/PCC pole 8mtr /9 meter long after preparing of surfaces in all respect for making smooth surface and painting with one coats of aluminium paint and black/yellow paint upto 1.5 mtr height including cross arms/ MS channels, complete all as specified and as directed by Engineer- in- charge.

Cutting / trimming of tree branches in close proximity to over head lines LT/HT to maintain a clearance of 1.5 meters from the over head line to nearby trees , complete all as specified and as directed by Engineer- in- charge. Note :- Only affected area of over head conductor shall be measured as per running meter.

Material and labour for spreading 40 mm graded stone aggregate in layers n.exc 15 cm thick around the 2 pole/ 4 pole structure, in power house at different area complete all as specified and as directed by Eng-in-charge.

Supply and fixing one number high performance digital protection relay for over load and earth fault protection suitable for 30/110 volts DC auxiliary power supply for 11KV VCB SCADA compatible , complete all as specified and as directed by Engineer- in- charge. Note : Necessary addition(s) / alteration(s) to existing VCB front panel such as cutting / welding of front size of panel board / position if required including necessary modification of wiring shall be carried out at site by the contractor without any extra cost. The digital relay shall have the following protections :- (i) Phase over current protection. (ii) Earth fault protection. (iii) Over voltage. (iv) Breaker failure indication. (v) Auxiliary power supply 24-110 V DC (vi) Number of digital inputs, Events recording ,Number of RS485 port.

Supply and fixing one number high performance DC failure alarm relay microcontroller based to monitor 30/110 volts DC auxiliary power supply in 11/33KV VCB , complete all as specified and as directed by Engineer- in- charge. Note : Necessary addition(s) / alteration(s) to existing VCB front panel such as cutting / welding of front size of panel board / position if required including necessary modification of wiring shall be carried out at site by the contractor without any extra cost.

Supply and fixing of power pack suitable for 30/110 volts DC auxiliary power supply in 11KV VCB complete all as specified and directed by Engineer-in-Charge. Note : Necessary addition(s) / alteration(s) to existing VCB front panel such as cutting / welding of front size of panel board / position if required including necessary modification of wiring shall be carried out at site by the contractor without any extra cost.

Supply only Big gear for closing spring charge, complete all as specified and as directed by Engineer- in- charge.

Supply only Small gear for closing spring charge, complete all as specified and as directed by Engineer- in- charge.

Supply only Closing / tripping coil assay of 11 KV VCB's type VE -12, 30 volts matching with the existing system, complete all as specified and as directed by Engineer- in- charge.

Supply only Spring charging motor & gear assay of 230 volts 0.25 HP, 8000 RPM of 11 KV VCB's type VE -12, 30/110 volts matching with the existing VCB system, complete all as specified and as directed by Engineer- in- charge.

Supply and fixing in repair of CT resin cast single phase 11 KV of ratio 100/5 Amps suitable burden, conforming to IS 3156/1992, frequency 50 Hz , single phase,suitable VA burden and class-I accuracy for protection and metering equipments. matching with the existing VCB system, complete all as specified and as directed by Engineer- in- charge.

Supply and fixing in repair of PT resin cast single phase 11 KV of ratio 100/5 Amps suitable burden, conforming to IS 3156/1992, frequency 50 Hz , single phase,suitable VA burden and class-I accuracy for protection and metering equipments. matching with the existing VCB system, complete all as specified and as directed by Engineer- in- charge.

Supply only Indicator lamp LED type of different colour as per existing, 230 volts incl taking down old unsv ones, complete all as specified and as directed by Engineer- in- charge.

Supply, laying & testing of XLPE insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) with stranded aluminium conductor, 11000 volts Earthed grade, of size 120 sqmm, 3 core, including taking down of unserviceable one complete all as specified and as directed by Engineer-in-Charge.

Supply, laying & testing of XLPE insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) with stranded aluminium conductor, 11000 volts Earthed grade, of size 95 sqmm, 3 core, including taking down of unserviceable one complete all as specified and as directed by Engineer-in-Charge.

Supply, laying, jointing & testing in trenches or passing through pipe, 1100 volts grade, XLPE insulated PVC bedded, galvanized steel strip or wire armoured LT electric power UG cables, heavy duty with stranded aluminium conductor of cross sectional area 120 sqmm 3.5 core with and including all fixing & connecting accessories such as aluminium cable lugs, cable gland, nut, bolts, washer etc, including taking down of unserviceable one complete all as specified and as directed by Engineer-in-Charge.

Supply, laying, jointing & testing in trenches or passing through pipe, 1100 volts grade, XLPE insulated PVC bedded, galvanized steel strip or wire armoured LT electric power UG cables, heavy duty with stranded aluminium conductor of cross sectional area 70 sqmm 3.5 core with and including all fixing & connecting accessories such as aluminium cable lugs, cable gland, nut, bolts, washer etc, including taking down of unserviceable one complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing of 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 Al conductor cable of size 50-95 sq mm, including taking down of unserviceable one complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing of 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 Al conductor cable of size 120-185 sq mm, including taking down of unserviceable one complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing of 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 Al conductor cable of size 50-95 sq mm, including taking down of unserviceable one complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing 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 Al conductor cable of size 120-185 sq mm, including taking down of unserviceable one complete all as specified and as directed by Engineer-in-Charge.

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 sqmm to 95 sqmm, including taking down of unserviceable one complete all as specified and as directed by Engineer-in-Charge.

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 120 sqmm to 185 sqmm, including taking down of unserviceable one complete all as specified and as directed by Engineer-in-Charge.

S&F of danger notice plate of size 25x20cm of 1.6mm thick mild steel sheet, vitreous enameled white, with letters, figures and conventional skul and bones in signal red colour and fixed with MS clamps, bolts and nuts of approved size, for HT conforming to IS-2551, including taking down of unserviceable one complete all as specified and as directed by Engineer-in-Charge.

M&L for aluminium conductor steel reinforced (ACSR) for overhead HT/LT line, including taking down of unserviceable one complete all as specified and as directed by Engineer-in-Charge.

Excavation in trenches n.exc 1.5m wide and n.exc 1.5m in depth for laying of UG cable/pipe in soft loose soil , complete all as specified and as directed by Engineer- in- charge.

Excavation in trenches exc 1.5 Mtr wide and not exc 2.0 Mtr deep soft/loose soil type of soil getting out and levelling of bottom surface to required level for cable/stay, complete all as specified and as directed by Engineer- in- charge.

Returning, filling in including spreading, levelling, watering and well ramming in layers n.exc 25cm thick, complete all as specified and as directed by Engineer- in- charge.

Removing of excavated material n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point, complete all as specified and as directed by Engineer- in- charge.

S & L of 75 mm outside dia double corrugated pipe (DWC) ISI marked for enclosing cable below ground/road surface to a required depth including suitable size couplers for jointing of pipe all as per site requirement etc, complete all as specified and as directed by Engineer- in- charge.

S & L of 100 mm outside dia double corrugated pipe (DWC) ISI marked for enclosing cable below ground/road surface to a required depth including suitable size couplers for jointing of pipe all as per site requirement etc, complete all as specified and as directed by Engineer- in- charge.

M&L for cleaning of MES Electric Supply installations / campus by surface dressing or trimming of natural ground to remove small inequalities n.exc 15 cm deep ( including removing vegetation / shrubs / brush wood / under-growth ), cleaning of drains & carrying away the rubbish to a distance of n.exc 50 mtr away complete for each substation area inside the fencing, complete all as specified and as directed by Engineer- in- charge.

M&L for cross arms bracings supports, clamps and back plates fabricated from structural steel sections incl 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 of red oxide zinc chrome primer and two coats of aluminium paint incl preparation of surfaces including dismantling, complete all as specified and directed by Engineer-in-charge.

Supply and laying of GI pipe 80 mm medium grade for UG cable protection with all fitting fixed to pole or laid in trenches or laid in floor/rood, complete all as specified and as directed by Engineer- in- charge.

M&L for finding out pin point location of 11KV XLPE UG cable faults by fault locator machine at specified site, including necessary excavation work all as specified and as directed by Engr-in-charge. Note: All necessary arrangements at site for testing equipment including hiring locator machine from state electricity board will be responsibility of contractor and rates for same will be included in quitted rates, complete all as specified and as directed by Engineer- in- charge.

Supply and installing at location approved make 04 nos fire buckets with stand of 24 gauge galvanised steel painted white inside and red out side and black on the bottom inscribed with letters FIRE in black and gold including stand fabricated out of sheet metal 16 gauge shade platform and associated civil work painting etc as approved, complete all as specified and as directed by Engineer- in- charge.

Supply and fixing of standard shock treatment charts in English & Hindi duly framed and covered with glass complete all as specified and directed by Engineer in charge.

Supply only fire extinguishers dry chemical type powder type ISI marked portable trolley b type capacity 6 Kg, complete all as specified and as directed by Engineer- in- charge.

Supply only ISI marked portable fire extinguishers CO2 type capacity 4.5Kg , complete all as specified and as directed by Engineer- in- charge.

S&F of Pin type, porcelain, vitreous, white, brown or green insulator including one galvanized mild steel spindle, two galvanized iron washers and one galvanized iron nut, 50mm height, 65mm dia for 550 volts grade, complete all as specified and as directed by Engineer- in- charge.

S&F of Shackle Type, Porcelain, vitreous, white, brown or green insulator including galvanized mild steel straps, washers, insulator bolts, washers and nuts 50mm height 65mm max dia with working voltage 550 volts grade complete all as specified and as directed.

Taking down existing unserviceable/Faulty LT UG cable 1100V of any size from existing location and relaying the same after necessary repair work , complete all as specified and as directed by Engineer- in- charge. (Note: Items if required for repair and excavation works will be measured and paid separately under relevant items)

Relaying of old recovered cable cover or brick of any size in trenches, complete all as specified and as directed by Engineer- in- charge.

M&L for boring holes 2mtr deep in soil under roads/PCC as directed for cable passing through pipes of required size and disposal of soil to a distance not exc. 50m. (Note: Connected items like Pipes is measured and paid seperately under relevant items), complete all as specified and as directed by Engineer- in- charge.

M&L PCC, type C1, (1:3:6, using 20mm graded stone aggregates) as in coping of poles including formwork complete all as specified and as directed including demolition of old damaged concrete from pole.

M & L for PCC(1:4:8) type D-2(using 40mm graded crushed stone aggregate) as in foundation filling and mass concrete, complete all as specified and as directed by Engineer-in-charge.

S&F of cable jointing kit for 1100 V grade for straight through joint complete with jointing material heat shrink type and accessories suitable for 3.5/4 core XLPE armoured aluminium conductor cable of size 10 to 35Sqmm, indoor/outdoor type including taking out & relaying damaged cable after repair , complete all as specified and as directed by Engineer- in- charge.

S&F of cable jointing kit for 1100 V grade for straight through joint complete with jointing material heat shrink type and accessories suitable for 3.5/4 core XLPE armoured aluminium conductor cable of size 50 to 120Sqmm, indoor/outdoor type including taking out & relaying damaged cable after repair , complete all as specified and as directed by Engineer- in- charge.

Servicing of LT Panel including fixing of damaged doors including disconnecting of all LT cable and refixing including painting and replacement of lugs, complete all as specified and as directed by Engineer-in-charge.

S&F of 3 phase 5A, Digital panel ammeter Flush Mounting 96x96mm, Accuracy Class-I, CT/PT Site programmable including taking down existing unserviceable one, complete all as specified and as directed by Engineer-in-charge.

Supply and fixing of HT cable route indicator plate made-up of cast iron with enmbossing "MES HT 11 KV" laid at depth of 50 cms using PCC including taking down old unserviceable one, complete all as specified and as directed by Engineer-in-charge.

Supply and fixing cable junction box IP-66 (weather proof), thermoplastic polycarbonate (shock proof, rurust proof, corrosion free, acid and chemical resistance, fire retardent). for outside installation with metric knockout entry for cable of size 16 sqmm 4 core and size 155x210x92mm 92 with terminals and provision of one MCB SP 6A complete with all pole brackets and fixing arrangements, complete all as specified and as directed by Engineer- in- charge.

M&L MCCB 4 Pole, 400 Amp, thermal magnetic setting adjustable 70%-100% breaking capacity 36 KA at 415V,50Hz, Frame size/type CH along with spider links including taking down old unserviceable one, complete all as specified and as directed by Engineer-in-charge.

M&L MCCB 4 Pole, 250 Amp, thermal magnetic setting adjustable 70%-100% breaking capacity 36 KA at 415V,50Hz, Frame size/type CH along with spider links including taking down old unserviceable one, complete all as specified and as directed by Engineer-in-charge.

M&L MCCB 4 Pole, 200 Amp, thermal magnetic setting adjustable 70%-100% breaking capacity 36 KA at 415V,50Hz, Frame size/type CH along with spider links including taking down old unserviceable one, complete all as specified and as directed by Engineer-in-charge.

M&L MCCB 4 Pole, 160 Amp, thermal magnetic adjustable 70%-100% breaking capacity 36kA at 415V,50Hz, Frame size/type CH along with spider links including taking down old unserviceable one, complete all as specified and as directed by Engineer-in-charge.

S&F of LA (non-linear) metal oxide type, 12 KV outdoor type, discharge cureent 10kA suitable for 11 KV grade, complete all as specified and as directed by Engineer-in-charge.

M & L for earthing with copper plate electrode 60×60cm ×3.15mm thick directly buried in ground (earth pit not less than 2.25 mtr deep below ground level) with top edge of the plate not less 1.5 mtr deep below normal ground level sorrounded from all sides by 15 cm thick and packed layer of common salt and charcoal dust filling in alternate layers etc and connected to 20×3mm copper strip upto 7.5 m as earthing lead by means of bolts nuts check nuts and washers of copper, GI pipe 40 mm bore light grade for protection of earth strip, PCC chamber 1:3:6 (type C-1) using 20mm graded stone aggregate funnel with wire mesh, 50 mm thick cover of RCC 1:2:4 type B-1 using 20mm graded stone aggregate reinforced and lifting handle on RCC cover with 8 mm TMT bars at 100 mm centre to centre both ways, frame of Angle Iron 25 x 25 x 3mm with 2 Nos lugs,20mm bore watering pipe perforated at bottom 1.75 mtr long placed on top edge of earth plate, common salt and charcoal dust filling, test point made of phosphate bronze with fixing arrangement all as shown in electrical plate No. 3 of MES SSR part-I and making test point including excavation & earth work and connecting the earthing to an earthing point/equipment & testing, complete all as specified and as directed by Engineer-in-charge. (Note - The earth resistance value shall be less than 2 Ohm and test report shall be submitted to the department.)

Checking & Testing of all parts of LT 11 KV/433 Volt Distribution transformers (total Qty -12 Nos) upto 500 KVA capacity i.e bushing, load balance, oil level, cooler fans, gasket, cable box,relays alarm and circuit,earth resistance, IR test of winding etc (both sides of testing LT/HT) and monthly report submit to the department duly signed by authorized agency, complete all as specified and as directed by Engineer-in-charge. Note:- The contract sum shall be calculated by deducting the amount shown in Credit Schedule attached to this tender, from total amount of Schedule 'A'/BOQ.

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