SPL REPAIR TO REPLACEMENT OF BER DISTRIBUTION TRANSFORMER AND CONNECTED WORK AT CVD DEPOT KABUL LINE AND KOTWALI LINE AND PROVISION OF SERVO STABILIZER OF CAPACITY 350 KVA AT DIPAC IN THE AREA OF AGE U ELECTRIC SUPPLY NOI SPL REPAIR TO REPLACE

Amount

Disconnecting electrically and mechanically outdoor transformer up to 400 KVA capacity lowering down from 4 pole structure and Re-installing of transformer on plinth, connecting electrically and mechanically, testing and commissioning complete all as speified and directed.

M&L for brick masonry platform suitable for 400 KVA transformer having size 1.6m x 1.6m and total height 1.6m ( 0.45m below ground level including excavation and earth work, 1.15m above ground level) including PCC 150 mm on top and cement plaster on all sides with sides with 1:4 cement morter complete all as specified and directed by Engg-in-charge.

Material & labour for complete dismantling of the existing 2 pole structure complete with all accessories & removing of the HT 11 KV cables from the circuit carefully for reconnection also supplying , installation, testing and commissioning of 11 KV, 630 Amps having short circuit capacity 20kA/3-sec, Outdoor (IP54), RMU (Ring main unit) 5-way comprising of 02 Nos motorized operated Load Break Switch and 02 Nos 630 Amp Fixed-Type motorized spring-charging VCB electrolytic grade copper busbars all inside single, gas-filled, robotically welded stainless steel 304 (Non Ferrite Non Megnetic Grade) tank with min. thickness 3+0.5 mm, IP 67 Degree of Protection , internal-arc classified 20kA/1sec, on-site-repairable with site replacable bushing/coupling/mechanism, gas refilling etc. The enclosure shall have padlockable double-door access with anti-theft higes, fully covering the front facia and cable boxes to ensure fail-safe anti-theft protection. The unit alongwith Bus-connected, fixed-type Auxiliary transformer shall include the following along with all necessary accessories and fittings as required at site.

(A) 02 Nos. Incoming Load Break Switch module each consisting of following accessories :- (i) Each switching-unit is designed as a three position switch. This three function switch combines the functions of switch-disconnector and earthing switch. (ii) 11kV, 630A Load Break Switch with interlocked line-earthing scheme both short circuit current - 20kA/3-sec, Making Capacity - 50kAp -01 No (iii) Auxiliary contacts - 1NO + 1NC-01 No (iv) Spring-assisted snap-action motorized mechanism with un-inhibited operating shaft for emergency manual operation with integrated earthing switch -01 No (v) Cable terminals (site replacable Cable bushings situated not beyond 300mm from cable-cover to allow ease of access for installation/testing/replacement purposes) with double-door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access upto 11 KV , 300 Sqmm , 3 Core , XLPE AL cable termination in live-condition. Each Set of 03 (vi) Right angle boots (push on type)-Each Set of 03 (vii) Arc proof cable covers having cable entry from bottom , front with Interlocking mechanism including earth switch -01 No (viii) Capacitive voltage indication fixed type system as per IEC61243 with LED - 01 Set (ix) Fault Passage Indicator - It is to be provided for each incomer load break unit, FPI with LED/digital display to be added for detection of cable fault-01 No (x) ON, OFF, EARTH mechanical indication on the front mimic of the panel - 01 No.

(B) 02 Nos. Outgoing VCB module each consisting of following accessories :- (i) Each function-unit consists of a vacuum-circuit breaker in combination with a three position-switch.The three-position-switch fulfills the operation of the disconnector-function and earthing function. (ii) 11kV, 630A Fixed-Type VCB module with series disconnector cum earthing switch of short circuit breaking current/withstand - 20kA/3-sec, Making Capacity - 50kAp-01 No (iii) Aux. contacts - 1NO+1NC-01 No (iv) Stored-energy motorized high-endurance spring charging mechanism (M1+), with inbuilt spring-charging lever and mechanically latched ON/OFF push-buttons to allow handle-less and un-inhibited operation -01 No (v) Cable terminals (site replacable Cable bushings situated not beyond 300mm from cable-cover to allow ease of access for installation/testing/replacement purposes) with double-door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access upto 11 KV , 185 Sqmm , 3 Core, XLPE AL cable termination in live-condition. Each Set of 3 (vi) Right angle boots (push on type)-Each set of 3 (vii) 3O/C + 1E/F self powered numerical protection relay with Low and High set for Over current and Earth Fault. Relay should have facility to display the maximum loaded phase current also.Relay shall record minimum 5 fault records with time stamping. Relay shall be communicable with RS 485 Port on MODBUS Protocol-01 No (viii) Associated ring-core cast-resin insulated CTs 100/1 Amp , 2.5 VA, 10P10 for protection - Each Set of 3 (ix) Arc proof cable covers with self Interlocking mechanism with earth switch -01 No (x) Capacitive voltage indication fixed type system as per IEC61243 with LED -01 No (xi) Push button for breaker trip (xii) Shunt trip coil 24V DC - 01 (xiii) ON, OFF, TRIP mechanical indication on the front mimic of the panel - 01. (xiv) Emergency Trip Push Button - 01.

(C) 01 No. Bus-connected, fixed-type Auxiliary transformer with floor-mounted compartment of matching height and depth, positioned along-side RMU to provide required aux. supply and metering consisting of following accessories :- (i) 1-Ph (11kV/rt3):230VAC, 500VA Auxiliary transformer-01 No (ii) 2x12 Volt DC battery-01 Set (iii) Battery charger-01 No (iv) HRC fuse-links for primary side isolation and AC/DC MCBs for secondary isolation-01 Set (v) Voltmeter & RYB LED Indications to confirm AC/DC supply availability-01 Set (vi) Anti-condensation space-heater-01 No (vii) CFL lamp for illumination and 3-pin socket with switch -01 No

Note:- (i) It is preferable to have all feeder-switches inside single stainless steel compartment with incomer feeders at the extremities to prevent chances of failure due to plug-in coupling arrangement. (ii) Necessay interclocking arrangement shall be provided for safety and operations (iii) Above switchgear shall confirm to relevant IEC (62271-200) for design, manufacturing and internal arc compliance. Any claims towards internal arc compliance, number of mechanical/electrical/short-circuit operations, gas-leakage rates etc. shall not be accepted unless proven via type-test reports of model being offered. (iv) Drawing of the RMU provided by the contractor must include the drawing of the foundation and foundation of RMU to be included in the quoted rate complete all as required at site. (v) The cost of PCC works for placing RMU on plinth is deemed to be included in the cost, height of the plinth should not be less than 0.45 mtr from ground level.

Material and labour for earthing complete with galvanised steel earth plate electrode 60 x 60 cm and 6 mm thick burried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of plate not less than 1.5 m below ground level connected to galvanised GI earth strip 32 x 6 mm size by means of nuts, bolts, check nuts and washers of the galvanised iron or steel all as shown in electrical plate No 3 of SSR Part-1 (2009) connected to earthing test point all as specified and directed and 20 mm GI pipe medium grade with funnel for watering and 40 mm GI medium grade pipe 7.5 mtr for GI earth strip protection from earth pit to test point & PCC for pit with white wash including CI pit cover 30 x 30 cm complete all as specified and directed. .

Disconnection of electric supply and taking down carefully existing transformers of cap 315 KVA and 630 KVA from CVD Depot, Kabul line and Kotwali line Sub Station and depositing to AGE E/M Store yard complete all as directed.

Supply, installing, testing and commissioning of Outdoor type floor mounted step down transformer, 11 KV/433 Volts (at no load) AC 3 phase 50 Hz, 630 KVA capacity, core type, double copper wound, oil immersed, naturally cooled, Oil Natural-Air Natural (ON AN), with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector group DYN-11 with Neutral brought out on secondary side (LV side) and having tapings at +5% to -10% in steps of 2.5% on HV side to be changed by means of hand operated off load tap changer gear. The maximum temperature rise should not exceed 40 degree celsius in oil and 45 degree celsius in HV/LV winding when measured by resistance method after continuous full load run on an ambient temp of 40 degree celsius. The transformer shall be of BOLTLESS core design. Transformer shall be double wound, core type wil low loss, non ageing, high permeability PRIME GRADE, CARGO with M4 Grade or Better, perfectly insulated and clamped to minimize noise and vibrations. The transformer shall be IS/IEC:60076 and as per IS-1180 Part -I of 2014 (Level-III) and BIS marked & BEE Certified and shall comprise of the following :-

(a) One cable box on HT side (primary side) consisting of three nos porcelain bushing with copper rods, complete with nuts and washers, with cable glands suitable for reception / taking out 3 core 120 Sq mm, HT 11000 volts grade, XLPE insulated and PVC sheathed, heavy duty, armoured cables including jointing materials complete. (b) One cable box on LT side (Secondary side) consisting of four nos porcelain bushing with "extended copper bus bars"complete with nuts and washers, with cable glands suitable for reception/suitable for connection LT cable. (c) Oil conservator with filter type drain valve and oil level guage. (d) De-hydrating breather with first fill of dehydrating agent (silica gel). (e) Explosive vent, Thermometer pocket on tank cover, Oil level gauge "oil drain/filteration valves at top and bottom of tank" Lifting lugs, Oil filling hole with cap / plug with connection plate complete, Air release valve plug and four nos plain solid cast steel detachable rollers.(f) One no 100 mm dia, dial type thermometer, vapour pressure type with limit switch, having range 0-120 degree celsius with metal guard having maximum perimeter temperature reading indicator with re-setting device. (g) Two earthing terminals on tank cover to facilitate fixing of 32 x 6 mm galvanised iron earth strip for earthing of body. (h) Rating plate and terminal marking plate. (j) Extra bushing for neutral, in the LT cable box for providing independent set of earthing for neutral. (k) First fill of new and unused transformer oil, IS-335 marked, filtered and tested upto 40 KV dielectric strength at 2.5 mm air gap between testing electrodes (l) Providing adequate size and 2 nos of medium channels, embeded in floor, for movement of transformer. (m) Unidirectional roller wheel. (n) Oil temperature indicator, winding temperature indicator, marshling box single window, double flit buchhloz relay with alarm and trip contact.(o) Other accessories as per manufacturer design. NOTE : Transformer shall be supplied inclusive of initial oil filling to appropriate level of insulation oil with desired dielectric strength.

Supply, installing, testing and commissioning of Outdoor type floor mounted step down transformer, 11 KV/433 Volts (at no load) AC 3 phase 50 Hz, 315 KVA capacity, core type, double copper wound, oil immersed, naturally cooled, Oil Natural-Air Natural (ON AN), with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector group DYN-11 with Neutral brought out on secondary side (LV side) and having tapings at +5% to -10% in steps of 2.5% on HV side to be changed by means of hand operated off load tap changer gear. The maximum temperature rise should not exceed 40 degree celsius in oil and 45 degree celsius in HV/LV winding when measured by resistance method after continuous full load run on an ambient temp of 40 degree celsius. The transformer shall be of BOLTLESS core design. Transformer shall be double wound, core type wil low loss, non ageing, high permeability PRIME GRADE, CARGO with M4 Grade or Better, perfectly insulated and clamped to minimize noise and vibrations. The transformer shall be IS: 1180-2014 (Level-II) and BIS marked & BEE Certified and shall comprise of the following :- and shall comprise of the following :-

(a) One cable box on HT side (primary side) consisting of three nos porcelain bushing with copper rods, complete with nuts and washers, with cable glands suitable for reception / taking out 3 core 120 Sq mm, HT 11000 volts grade, XLPE insulated and PVC sheathed, heavy duty, armoured cables including jointing materials complete. (b) One cable box on LT side (Secondary side) consisting of four nos porcelain bushing with copper rods, complete with nuts and washers, with cable glands suitable for reception/suitable for connection LT cable. (c) Oil conservator with filter type drain valve and oil level guage. (d) De-hydrating breather with first fill of dehydrating agent (silica gel). (e) Explosive vent, Thermometer pocket on tank cover, Oil level gauge, Oil drain filter valve, Lifting lugs, Oil filling hole with cap / plug with connection plate complete, Air release valve plug and four nos plain solid cast steel detachable rollers.(f) One no 100 mm dia, dial type thermometer, vapour pressure type, having range 0-120 degree celsius with metal guard having maximum perimeter temperature reading indicator with re-setting device. (g) Two earthing terminals on tank cover to facilitate fixing of 32 x 6 mm galvanised iron earth strip for earthing of body. (h) Rating plate and terminal marking plate. (j) Extra bushing for neutral, in the LT cable box for providing independent set of earthing for neutral. (k) First fill of new and unused transformer oil, IS-335 marked, filtered and tested upto 40 KV dielectric strength at 2.5 mm air gap between testing electrodes (l) Providing adequate size and 2 nos of medium channels, embeded in floor, for movement of transformer. (m) Unidirectional roller wheel. (n) Oil temperature indicator (o) Other accessories as per manufacturer design. NOTE : Transformer shall be supplied inclusive of initial oil filling to appropriate level of insulation oil with desired dielectric strength.

Note for item No 6 & 7:- (i) The Transformer shall be of provn, design, short circuit test report CPRI origin any other NABL accredited test laboratory shall be furnished. Short circuit test report for exactly similar transformer (matching all major electrical parameters including loss figure) shall not be older than 5 yrs to be furnished). (ii) Each Transformer must be BIS Marked & BEE star labelled. Manufacturer must have type test reports for each and every rating. (iii) The contractor should ensure it & verify, necessary certificates before obtaining quotation from a particular OEM.

Earthing complete in replacement with galvanised steel earth plate electrode 60 cm x 60 cm x 6 mm thick buried directly in ground (Earth pit not less than 3.5 meter deep below ground level) with top edge of plate not less than 2.5 meter below normal ground level, connected with and including galvanised iron earth strip 32 X 6mm by means of nuts, bolts, check nuts and washers of galvanised iron or steel and provisions of charcoal dust and common salt packed all around the earth plate and testing on completion complete all as specified, directed and shown in Electrical Plate number 3 of MES SSR Part-I(2009) NOTES : The quoted rates shall be deemed to include the cost of (a) Excavation and earth work in any type of Soil. (b) PCC pit in cement concrete 1:3:6 mix, type B-1, Pre cast RCC cover with suitable handle, 40 mm thick in RCC 1:2:4 type B-1, reinforced with welded steel wire fabric weighing not less than1.87 Kg/Sq metre. (c) Funnel with watering pipe of GI 20 mm nominal bore light grade and lugs etc (d) 40 mm nominal bore medium grade GI protection pipe 7.50 m long for protection of earthing lead (e) Requisite quantity of common salt and charcoal in alternate layers completely packed as directed. (f) Testing of earthing on completion.

M&L for heat shrinkable 11 KV XLPE indoor termination suitable for HT cable of size 3 core 120 to 185 sqmm including jointing materials and testing it after completion of the job on full load all as specified and directed.

M&L for heat shrinkable 11 KV XLPE outdoor termination suitable for HT cable of size 3 core 120 to 185 sqmm including jointing materials and testing it after completion of the job on full load all as specified and directed.

Supply, laying or fixing GI pipe medium grade 40 mm bore including all fittings for protection of earth continuity conductor GI strip complete all as specified and directed.

Supply and fixing earth continuity conductor or main earthing lead (GI strip) of size 32x6 mm fixed to plinth or buried in ground or drawn in GI pipe or any other situation as indicated for loop earthing etc complete all as specified and directed.

Material and labour for brick work for sub class 'B' bricks straight or cruved on plan not 6 mtr mean radius built in cement mortor 1:4 complete all as specified .

Moorum/Red bajri filling in floor or paving, laid in layers not exceeding 15 cm thick spread leveled and rammed including water

Material and labour for hardcore of gauge n exc 63 mm , deposited , spread and leveled in layers n exc 15 cm thick, watered and rammed to a true surface with broken stone or boulders complete all as specified .

M&L for PCC 1:4:8 type D2 using 40 mm graded stone aggregate as in foundation, mass concrete and filling etc complete all as specified and directed.

M&L for PCC 1:2:4 type B1 using 20 mm graded stone aggregate finished cement concrete surface even/smooth without using extra cement complete all as specified and directed.

Material & labour for rendering 10 mm thick in cement mortar 1:4 on fair faces of brick or concrete surface finished fair & even extra cement without complete all as specified and directed.

Excavation in trenches not exceeding 1.5 m wide and not exc. 1.5 m depth for laying cables, foundation for pole etc and getting out in soft/loose soil complete all as directed.

Returning filling in incl spreading ,leveling, watering and well ramming in layers n. exc 25cm thick complete all as directed.

Removing surplus soil to a distance not exceeding 50 m & depositing at a level not exceeding 1.5 m above the starting point complete all as specified and directed.

Excavation in post holes (for similar holes) each n exc 0.5 cum soft/loose soil and getting out, returning, in and ramming earth or broken rubble mixed with earth around in layers not exceeding 25cm, watering and removing surplus soil to a distance n exc 50 m and making good surface.

M&L PCC 1:3:6 (typeC2) using 40 mm graded stone aggregate as in foundation filling and mass concrete complete all as specified and as directed.

Supply only chain link MS galvanized fencing any size or type including provision of binding wire complete all as specified and as directed..

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc including provisition of binding wire complete all as specified and as directed.

S&F framed bracket of angles or tees with web and flanges cut to shape, drilled and countersunk for screw, including bending and welding angles as necessary gusset plates, riveting etc as in fencing post including cutting tops to shape as directed, drilling holes, notching for wire etc complete all as specified and as directed..

M&L for preparation of new steel surfaces of any description, over 10 cm width or girth, not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed.

M&L for preparation of new steel surfaces of any description, n. exc. 10 cm in width or girth, not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed.

Material and labour for coarse aggregate filling using stone gravels, rounded, of size n exc. 43 mm suitable to site, in the area covered by four pole structures complete all as specified and directed.

Dismantling of HT concrete pole complete all as specified and directed by Engineer-in-charge.

Dismantling of cross Arms of MS channel or Angle iron or flat iron sections from pole complete all as specified and directed by Engineer-in-charge.

Dismantling of insulators of any type and size complete all as specified and directed by Engineer-in-charge.

Dismantling air break gang operated switches vertical/horizontal mounted including insulators and operating mechanism complete all as specified and directed by Engineer-in-charge..

Supply, installation, testing and commissioning of Servo voltage stabilizer for automatic operation, three phase, of capacity 350 KVA , 50 Hz Automatic controlling/Regulating of voltage comprising Auto Transformer, Buck & Boost Transformer, copper wound with new filter and Dehydrated Transformer oil (As per IS : 335), servo motor, Auto controlled solid state control cuircut, naturally oil cooled, outdoor type and designed for three phase input voltage range between 340 V to 480 V and output voltage stabilized at 415 Volts + 1% with accuracy +2.5% and speed of correction 8 volts per second including other fittings and accessories as Voltmeter(0-500) to read input/output voltage per phase, mains/low/high limit indicators, manual increase/decrease push switch, auto/manual mode control switch and output adjustment etc. (a) Electronic control circuit. (b) Low voltage cutoff. (c ) High voltage cutoff. (d) Single phase preventor. (e) Time delay. (f) Toggle switch provided to by pass. (g) Servo by pass switch. (h) Over load and short circuit Trip facility(MCCB).(j) Other Accessories as per IS of manufacture design NOTE : The construction of brick masonry platform of size 3 mtr x 3 mtr x 0.9 mtr height with RCC on top (100 mm), 0.45 mtr below ground level incl rendering outside for installation of servo voltage stablizer 350 KVA.

Supply and lay cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 11100 volts grade as per IS-7098,Part-I with stranded aluminium conductor of size 300 Sqmm 3.5 core.

Supply and fixing factory made tested LT panel board not less than 0.8 mtr x 0.8 mtr x 1.3 mtr cubical type Single door out door type leg mounted suitable for , 415 volts 3 phase, 4 wire,50 HZ AC supply system having bus bar chamber with insulated Aluminium bus bar of rating not less than 1000 Amp installed on porcelain/ SMC insulator. The panel should be dust and vermin proof IP - 65 class protection and made of 3.15 mm CRCA MS sheet and 40X40X6 mm thick MS angle iron frame work, powder coated finish over one coat of red oxide on out side surface and painted in side with two coats of red oxide primer and rear opening type with apran for cable entry closing locking arrangement including internal wiring with PVC insulated solid copper conductor FRLS cable IS 694 marked , 1100 volts grade of appropriate size (but not less than 2.5 sqmm) and comprising of the following, including fixing on the platform of trolly . (i) ACB 4 pole, 630 Amps Micro processor release manual drawout Adjustable type, 50 Hz, 415 Volts, 50 KA -1 No (ii) Voltmeter (0-500 V) digital type - 01 No (iii) Ammeter digital type - 01 No (iv) CT ratio 600/5 Amp class-1 ISI marked - 01 Set of three (v) Indicating lamp one set of three Note :- The Bus Bar should be capable for fixing of LT UG cable of size 300 sqmm 3.5 core.

Material and labour for river washed and screened, dry sand for filling in trenches below and around underground cables for cushioning of cables etc, complete all as specified. Note : Measurement shall be taken after punning down.

S&F sub class B bricks having minimum compressive strength 75 Kg/ Sq cm laid in trenches for cable protection etc complete all as directed by Engineer-in-Charge.

Demolition of road/path /concrete in ground floors and pavings n exc 15 cm thickness (below or above ground level) .complete all as specified and as directed.

M/L for cement concrete type B-2, 1:2:4 (40mm graded aggregate) 150mm thick complete all as specified and as directed.

Note : contractor should procure and provide 50 % of the material as listed above within 15 days of the placing of work order and shall be verified by the Eng-in-charge

Ish Engineers and Contractors

M/s JAIMAA ASSOCIATES

MV Engineers And Contractors

Ridhi engineers and builders

B D Raizada Projects Pvt Ltd

M/s Dharya Enterprises

Vijay Electricals