SPECIAL REPAIR TO INCOMING HT CABLE AND IMPROVEMENT TO E/M INSTALLATION AND UPGRADATION OF EXISTING TRANSFORMER AND ALLIED WORKS IN SUB STATION AT SUBROTO PARK UNDER GE (AF) SUBROTO PARK, DELHI CANTT-10

Amount

Taking down of HT cable of size 95 to 120 sqmm 3 core complete all as specified and as directed.

Taking down old air break switch (GOD), cross arms made out of mild steel of four pole structure and dismantling of PCC four pole structure and taking down transformer with crane keeping in safe custody deposit to store yard and dispose off PCC poles complete all as specified and as directed.

Supply, laying, jointing, testing & commissionig of HT cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium condutor, 11000 volts, grade of cross sectional area 120 sqmm, 3 core complete all as specified and as directed. Note : Earthwork and excavation shall be measured & paid separately.

Supply, laying, jointing, testing & commissionig of HT cable XLPE insulated ,screened, PVC bedded , galvanised steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium condutor, 11000 volts grade of cross sectional area 95 sqmm, 3 core complete all as specified and as directed. Note : Earthwork and excavation shall be measured & paid separately.

Material & Labour for cable jointing kit for 11 KV (Earthed) grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 to 95 sqmm complete all as specified and as directed.

Material & Labour for cable jointing kit for 11 KV (Earthed) grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 180 sqmm complete all as specified and as directed.

Material & Labour for cable jointing kit for 11 KV (Earthed) grade cable for straight through cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 to 95 sqmm complete all as specified and as directed.

M & L in replacement for earthing complete with galvanized mild steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground (earth pit not less than 2.25 Mtr below ground level) with top edge of earth plate not less than 1.5 Mtrs below ground level connected to galvanised iron 32×6mm strip as earthing lead by means of nuts, bolts, thimbles, check nuts, washers of GI or steel, including PCC chamber in PCC 1:3:6 type C-1 using 20mm graded stone aggregate, with fair finish internal surface of concrete chamber shall be given 15mm thick plaster in CM 1:4, funnel with wire gauge mesh, 80 mm thick RCC pit cover 320 mm x 320 mm of RCC 1:2:4 type B-1 using 20 mm graded stone aggregate reinforced with MS bar 8mm C/C 100mm MS handle made of 10mm MS bar and charcoal dust and common salt all as shown in electrical plate No 3 of MES SSR Part-I and specified including provision of GI strip protected by 40 mm dia light grade pipe and watering pipe shall be 20mm bore light grade, and including all excavation and earth work & connecting the earthing to an earthing test point complete all as specified & directed. Note: The rate is inclusive of earthwork and excavation in any strata, PCC chamber in PCC 1:3:6 type C1, RCC cover slab 80 mm thick with 8 mm dia TMT bars both ways at 100 mm centre to centre and main earthing lead from earth electrode to test point upto 7.5 meter.

Supply, install, test & commissioning of HT 11 KV, 400A, VCB panel outdoor type made out of Aluminium Zinc coated steel sheet or pre-galvanised sheets of 3.15 mm thickness, dust and vermin proof, with locking arrangement duly powder coated, totally enclosed, free standing floor mounting type, compartment based with truck mounted vacuum circuit breaker spring operated electrically and manually charged operating mechanism suitable for horizontal isolation, horizontal draw out type VCBs with copper bus bars, back entry type complete VCB panel confirming to IEC 62271-200 standards and IP 54 class of protection out door comprising necessary bus-bars extension and connections and following protective and control devices as specified below. The switchgear and control gear panels shall be of the fully arc proof LSC 2B, PM, IAC AFLR for 25KA for 0.1 Sec complete all as specified and as directed. The VCB panel shall comprise of the following :-

(g) Master trip relay. (h) Power pack equipment with back up for 15 minutes including batteries & charger complete suitable for operation of relays, (j) Internal bus earthing. (k) Manual trip switch. (l) Space heater with thermostat -1 No. (m) Inside moving spot light fitting including lamp and switch (11W CFL 230V) -1 No. (n) Plug point with switch (5A, 230V) -1 No. (o) Insulated Alumium bus bar (p) Manual charging/ operating arrangement. (q) Fuses for metering and protection system. (r) Push buttons for accepting faults and reset. (s) Rear bottom entry of HT cables. (t) LED indicating lamps. (i) Auto trip.(ii) Spring charge motor.(iii) Trip circuit healthy.(iv) Trip circuit unhealthy. (v) Breaker ON.(vi) .Breaker OFF '. (u) Complete control panel'wiring with FRLS PVC insulated copper cable:of size,not less than 1.5 sqmm. (v) Terminal block and breaker locking facility with key . - 01 No. (w) Resin cast potential transformer 03 Nos single phase PTs - 11 KV/V3/110/V3, CI-0.5, 50 VA on withdrable rack.

Material and labour for Construction of platform of size 2.0x2.0x1.5m incl excavation in trenches, Brickwork with subclass ‘B’ bricks, straight or curved on plan exc 6m mean radius built in cement mortar 1:6, 15mm thick Rendering in CM 1:4 on fair faces of brick work, finished the surface even and smooth without using extra cement with water proofing compound @ 3% by weight of cement, hardcore of gauge n exc. 63mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface, 100mm thick Cement concrete type C- 2, 1:3:6 (40mm graded stone aggregate) as in subbase of floor, 75mm thick Cement concrete type B-2, 1:2:4 (using 40mm graded stone aggregate) as in floor finished even and smooth with using extra cement, 75mm thick Cement concrete type B-2, 1:2:4 (using 40mm graded stone aggregate as in span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs not provided & finished the top surface wall finished with 15mm thick plastering in CM 1:4 with WPC, finished the surface even and smooth and apply two coats of cement base paint over a coat of alkali resistance primer and a plinth protection 75mm thick in PCC 1:3:6 type C-1 shall be provided complete all as specified and directed by Engineer-in-Charge.

Provn of Chain Link Fencing with 50x50mm mesh size for covering the 11 KV substation of 12m length and 2.1m high Chain link fencing, 50x50mm of mesh size made with 4mm GI wire incl 04 Nos of 10mm dia tie round bars, securing with 12mm dia 100mm long botls @ 04 Nos at each post alongwith 50x6mm FI with 5 Nos of 65x65x6mm angle iron post embedded in PCC 1:3:6 of foundation size of 1.2x0.50x0.60m incl excavation in post holes and removal of surplus soil to a distance 50m away from the site and provision of MS steel gate of size 2.0 x 2.0m, bottom portion covered with 1.60mm thick MS black sheet and painting work for fencing and gate with two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed by Engr-in-Charge.

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for foundation, laying of cable etc not exc 10 Sqm on plan and getting out complete all as specified for the following type of soil:-

in soft/ loose soil

in hard/ dense soil

in Hard rock

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick in any type of soil complete all as specified and as directed.

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

Supply and laying un-reinforced precast concrete cable cover class HV type-I flat size 300 mmx180mmx40mm complete all as specified and as directed.

Material and labour for sand cushioning by using fine sand (dry and clean sand ) in two layers , first layer of 80mm thick before laying of cable and second layer of 150mm thick after laying of cable complete all as specified and as directed.

Boring of holes under road, pavement and hard standing by trenchless technology using ultra sound technique and necessary machine for insertion of HDPE pipe of 100mm outer dia and 0.4Mpa working pressure all as directed. all as specified and directed. Note :- (i) All rate of boring and HDPE pipe are included in item rates. (ii) Depth shall not be less than 1m below the road.

Supply & Laying GI pipe light grade 100mm bore for cable protection with all fittings for passing the under ground HT cable under road crossing along poles walls and floors complete all as specified and as directed.

S&F cable route indicator made of 100 mm dia and 10mm thick CI disc with supporting GI angle iron of size 25x25x3 mm thick of length 45cm embosed with the words "LT/ HT cable" embeded in PCC block 1:3:6 type C1 using 20mm graded stone aggregate of size 30x30x30 cm including excavation and the steel surface shall be painted with two coats synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed.

Supply, installation, testing and commissioning of indoor type, step down transformer 11KV/433 Volts (at no load) AC, 3 phases 50 Hz, 630 KVA capacity, core type copper wound on HV & LV coil immerse, naturally cooled, oil natural-air natural (ONAN) with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV side) in accordance with vector group DYN-11 with neutral brought out on secondary side (LV side) and having 7 step tappings at + 2.5% of each step (+5% to 10%) on HV side to be changed by means of hand operated off load tap changer gear, the maximum temperature rise should not exceed 45 degree celsius in oil and 55 degree celcius the transformer shall be in accordance with latest ISA-1180 (Part-l) Level-2) and comprise of the following :- Note : Transformer must be BIS Marked and BEE 2 star label, quoted rate shall deemed to be including disconnecting the existing incoming and outgoing cable and connecting the same after installation of new transformer.

Ser No 20.00 contd... (a) Three porcelain bushing suitable for 11KV on HV side, and including and termination box completed with copper rods, nuts and washers. (b) One cable end termination box LT side (secondary side) consisting of four nos. porcelain bushing with copper rods, complete with nuts and washers. (c) Oil conservator with filter type drain valve and oil level gauge. (d) De-hydrating breather with first fill of dehydrating agent (silica gel). (e) Vent thermometer pocket on tank cover, oil level gauge, oil drain filter valve, lifting lugs/hooks, 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. 100mm dia, dia type thermometer, vapour pressure type having range 0-120 degree celsius with metal gaurd having maximum perimeter temperature reading indicator with re-testing device. (g) Two earthing terminals on tank cover to facilitate fixing of 50x6mm galvanized 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 filling of new transformer oil, IS-335 marked and tested up to 60 KV dielectric strength at 2.5 mm air gap between testing electrodes. (l) Buchholz Relay with all necessary connection and other items required for smooth functioning of relay. (m) Base channel earthing terminals lifting lugs. Note : (i) Anything missed out above but technically required for proper operation of the transformer is deemed to be included in the quoted rate. (ii) Rates are inclusive for taking down existing 400KVA transformer and shifting to MES store yard as directed by Engineer-in-charge.

Supply, laying, jointing and testing in replacement of LT cable XLPE Insulated ,screened, PVC bedded, galvanized steel strips armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminum conductor of size but size 185 sq mm 3½ core complete all as specified and directed.

M & L in replacement for earthing complete with galvanized mild steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground (earth pit not less than 2.25 Mtr below ground level) with top edge of earth plate not less than 1.5 Mtrs below ground level connected to GI strip 25x4mm as earth lead by means of nuts, bolts, thimbles, check nuts, washers of GI or steel, including PCC (concrete chamber) shall be PCC 1:3:6 type C-1 using 20mm graded stone aggregate, with fair finish internal surface of concrete chamber shall be given 15mm thick plaster in CM 1:4, funnel with wire gauge mesh, 80 mm thick RCC pit cover 320 mm x 320 mm of RCC 1:2:4 type B-1 using 20 mm graded stone aggregate reinforced with MS bar 8mm C/C 100mm MS handle made of 10mm MS bar and charcoal dust and common salt all as shown in electrical plate No 3 of MES SSR Part-I (2009) and specified including provision of GI strip protected by 40 mm dia light grade pipe and watering pipe shall be 20mm bore light grade, and including all excavation and earth work & connecting the earthing to an earthing test point complete all as specified & directed by Engr-in-Charge.

Design, supply, install, testing and commissioning in replacement of factory made LT Panel Outdoor type, cubical enclosure compartmentalized external and internal mirror type brushed suitable for highly corrosive environment, high creep resistance, better mechanical properties like ductility, yield strength, hardness etc.The enclosure shall be made of 3.15 mm thick stainless steel sheet SS 316 sheet. The fixing of Front doors shall be on SS hinges with anti-theft provision. All fabrication/welding shall be done with TIG/MIG or as approved by Engineer in charge suitable for SS 316. Sliding handle and locking arrangement front and rear both side. Enclosure shall be suitable for AC supply system 415 volts, 3 phase, 4 wire, 50 Hz. Degree of protection shall be IP-42. The enclosure shall have provision of cable entry. Cable entry from bottom side including internal wiring with PVC insulated solid, copper wire, 1100 volts grade. The panel shall consist of 600 Amps rating TPN aluminium bus bars and shall be provided with colour coded heat shrinkable sleeves. The panel shall be provided with separate compartments for each switchgear, including instrumentation such as Multi Function meter, phase indicating lamps etc with double stud hinged door, Front side openable with Cable alley on Both side of panel of suitable size not less than 250 mm with locking arrangement including interlocking with switch gears and suitable for 1100 Volts grade, 3 Phase, 415 Volts, 50 cycles, AC Supply and to with stand short circuit fault level of not less than 10KA. The panel shall be fixed with angle iron frame made of angles of size 50 X 50 X 6mm, embedded 200 mm below ground level in PCC 1:2:4, Type B-1 using 20mm grade stone aggregate, 600 mm above ground level and comprising the following:- Incomimg:- (a) MCCB 400Amp, 4 pole rupturing capacity 36 KA at 415 volt Icu=Ics = 100% - 01 Nos . (b) Digital Multifunction Meter to measure KWh, PF, VLL, VLN, W, VA ,V, I including CT and PT complete with all electrical connection - 01 No. (c) LED type Phase indicator lamps (R, Y, B) - 1 Set. Outgoings:- (a) MCCB 250 Amp,4 pole rupturing capacity 25KA at 415 volt, Ics = 100% Icu - 01 Nos. (b) MCCB 200 Amp,4 pole rupturing capacity 25KA at 415 volt, Ics = 100% Icu - 01 Nos. (c) MCCB 125 Amp,4 pole rupturing capacity 25KA at 415 volt, Ics = 100% Icu - 02 Nos. (d) Control MCB 6 Amps SP-03 Nos. Notes : The panel manufacturer should have Govt. approved certificate :- (i) Panel should be according to IEC-61439, CPRI certificate Degree of protection IP-54. (ii) IS/IEC : 61439 (Part-I & Part-II) 2011 and all necessary certification as per relevant IS/IEC codes.

M&L in replacement for brick, subclass 'B' well burnt, of size 230x115x75 mm laid dry flat in trenches for protection of cable over LT cable, complete all as specified and as directed.

Supply & Laying GI pipe light grade 80mm bore for cable protection with all fittings for passing the under ground cable under road crossing along poles walls and floors complete all as specified and as directed.

Commercial Traders (BID ID -3312563)

MV Engineers And Contractors (BID ID -3312435)

Vijaypower Generators Limited (BID ID -3313463)

Poorvi Enterprises (BID ID -3312929)

Shiv Enterprises (BID ID -3320004)