PROVN OF NEW SUB STATION AT ACHARYA NIWAS PUMP HOUSE FOR NEW NAVY NAGAR UNDER GE NW NAVY NAGAR COLABA MUMBAI

Amount

M & L for shifting of 400 KVA transformer 11/.433 KV indoor installed at RS-2 including disconnecting of all HT/LT connections, earth strips etc and refixing the same at reqd site (n.exc. 3 Km) alongwith arrangement of all neccessary T&P and cranes PCC platform at new site etc including testing and commissioning of transformer after re-installation at new site complete all as specified and directed.

Supply, installation, testing and commissioning of indoor type totally enclosed Vacuum Circuit Breaker suitable for 11KV, 400A, 250 MVA,18.4 KA(for 1 sec operation, equipped with CT, PT and protection relays horizontal isolation and horizontal drawn out cassette type and internal arc tested for 25KA for 0.1sec having IP 4X degree of manual/motarised spring charging mechanism. The auxilary voltage supply metering device/relay shall be 24V DC where as for breaker spring charging mechanism the voltage will be 230V, AC complete with adjustable panel to couple with exisiting outgoing VCBs installed at SS No.7 and as required at site and as directed. The VCB shall be comprising with following equipments:- (Make: Schniedar/ABB/Siemens/L&T) "(Location : SS No 7-1 No and Acharya Power Substation -01 No)"

Vacum circuit breaker suitable for 11 KV, 400A, 18.4KA operation.

Cast resin type dual core copper wound Current Transformer having 15 VA burden class 1.0 accuracy for metering core 5P10 for protection purpose (3 No with each VCB), having CT ratio 200/100/5A.

Drawn out 3 phase cast Resin copper wound Potential Transformer of ratio 11KV/110V having class 1.0 Accuracy, 100VA per phase capacity shall be mounted below the incomming breaker chamber.

Microprocessor based numeric relay with combined 3 O/C+ 1E/F having IDMT and instantaneous setting with communication and current measuring facility.

Master trip relay.

Digital load manager capable for measuring voltage, line current, Active-reactive currents, power factor, frequency and maximum demand.

LED type indication lamp for CB open/closed/spring charged auto trip/trip circuit healthy.

Audio alarm through hooter with accept/reset button.

Panel thermostat rated for 230V, AC.

Panel illumination lamp LED.

Panel space heater.

T/N/C Switch for breaker operation.

NOTE : (i) The contractor shall submit a preliminary drawing showing arrangement of panels, type of Relays etc for approval of GE. (ii) The Equipment shall be tested in the presence of representative of Accepting Officer for successful Routine tests as per IS before receipt at site at OEM premises. (iii) Commissioning tests will be carried out in the presence of Engr-in-Charge and Electrical Inspector of the Department. (iv) Battery bank of suitable capacity to providing DC volatage at Acharya Power Substation. (v) The make of the relays shall be of AREVA/SCHNEIDER. (vi) Width of the panel shall not be more than 540mm. (vii) VCB shall be complying to "M1" & "E1" category of latest IEC. (viii) VCB shall confirm to IEC : 62271-100 & panel shall be confirm to IEC 62271. (ix) One No PT's and one No power Pack shall be provided on VCB. (x) Existing foundation shall be used however rates quoted shall be inclusive of making disturbed surfaces good. (xi) Necessary arrangement/adapter panel shall be provided for Bus-Coupling. Cost of any arrangement as required at site for installation of new VCB with existing VCB and shifting of cable etc complete as directed by Engineer-in-Charge shall be deemed to be included in the quoted rate.

Supply and lay cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 11000 Volts grade with stranded aluminium conductor of size 95 Sqmm 3 core complete all as directed by Engineer-in-Charge.Make: Havells/NICCO/Gloster.

Supplying and laying with commissioning and testing XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade of size 400 sqmm 3.5 core laid in trenches, passing through pipes, fixed on walls complete including connecting properly by means of thimbles/lugs complete all as specified and directed. Make : Havells/NICCO/Gloster.

All as per Item No 4.00 above but of size 185 sqmm, 3.5 core.

All as per Item No 4.00 above but of size 95 sqmm, 3.5 core.

All as per Item No 4.00 above but of size 35 sqmm, 3.5 core.

Excavation in trenches not exc 1.5 m in depth and not exc 1.5 mtr wide including getting out in soft/loose soil complete all as specified and as directed.

All as per Item No 8.00 above but of for hard/dense soil. (Note for item 8.00 & 9.00): Rate includes removing of paver blocks carefully and stack properly for refixing after laying of cables .

Returning filling in including spreading, levelling, watering and well ramming in layers not exceeding 25 cm with excavated soil all as specified and directed.

Removing excavated material to a distance exceeding 5 Km and not exceeding 10 km complete all as specified.

Supplying, filling, spreading, leveling in layers and well ramming dry river sand around cable in trenches for cable cushioning all as specified and directed.

Cutting existing road surface or hard standing, bituminous topping 15 cm but n exc 30cm girth for laying of pipes/ cables and making good distrubed surface to match with existing complete.

Supply and laying un-reinforced pecast concete cable covers class HV, Type 1, flat, size 300mmx 180mm x 40mm all as specified and directed. (Note: Width of protection shall be equal to length of brick)

Supply and laying un-reinforced pecast concete cable covers class LV, Type 1, flat, size 250mmx 150mm x 40mm all as specified and directed. (Note: Width of protection shall be equal to length of brick)

M & L for fixing of old interlocking paver tiles/blocks of any sizes recovered from item SI. No. 8&9 including laying over 25 mm thick sand bed compacted complete as specified and directed. (Note: Rate of 25 mm thick sand cushioning included in this rate)

M & L for 60 mm thick coloured interlocking paver tiles/ blocks, lacquer finish of size 250 X 250 mm, having compressive strength of 35N/Sqmm, zig-zag (uni-paver) shape in flooring tested as per IS : 15658-2006, with and including laying over 50 mm thick sand bed compacted complete as specified and directed. (Note: Rate of 50 mm thick sand cushioning included in this rate)

M & L for cement concrete 1:4:8 type D2 (using 40mm grade stone aggregate) as in foundations, filling and mass concrete comlpete all as specified

S&F GI pipe 100 mm dia light grade laid in trenches or laid in floor/road crossing for cable protection complete all as directed.

All as per Item No 19.00 above but of size 80 mm dia.

M&L for fabrication of LT Panel, double door made out of 2mm thick CRCA sheet, CPRI approved, indoor type suitable for 3 phase, 4 wire, 415 volts, with Copper busbar strip of 1200 amps capacity with necessary clamps, nuts, bolts and washers, internally prewired with all connecting accessories, floor mounted type made with angle iron legs 40x40x4 mm thick, powder coated painting incl foundation 30 cm above the ground level in PCC 1:3:6 type C2 all as specified & directed consisting of following :-

DPX3 630, MCCB 400 Amps, 4 Pole, 36 kA, thermal magnetic release, Ics=100% Icu - 02 Nos, Cat No- 422007 of Make- Legrand or equivalent in Siemens/ABB/Schneider.

DPX3 250, MCCB 250 Amps, 4 Pole, 36 kA, thermal magnetic release, Ics=100% Icu - 02 Nos, Cat No- 420249 of Make- Legrand or equivalent in Siemens/ABB/Schneider.

DPX3 250, MCCB 200 Amps, 4 Pole, 36 kA, thermal magnetic release, Ics=100% Icu - 02 Nos, Cat No- 420249 of Make- Legrand or equivalent in Siemens/ABB/Schneider.

DPX3 160, MCCB 100 Amps, 4 Pole, 25 kA, thermal magnetic release, Ics=100% Icu - 02 Nos, Cat No- 420055 of Make- Legrand or equivalent in Siemens/ABB/Schneider.

Digital Ammeter - 01 Nos of Make-Legrand/Conserv/L&T

Digital Voltmeter - 01 Nos of Make-Legrand/Conserv/L&T

Phase indicator lamp R,Y & B - Set of 3

Copper Bus bar 1200 Amps rated of suitable size - Set of 4

Supply, install, testing and commissioning of 100 KVAR capacity automatic power factor corrector capacitor panel (APFC) confirming to IS-8623 and suitable for 415 volts, 3 phase, 50 HZ and housed in elegant and highly functional enclosures of modular design fabricated from 2 mm thick CRCA sheet duly powder coated and comprises of following to maintain PF automatically of not less than 0.95 with necessary contacts, relays etc.

A set of heavy duty capacitor (50 KVAR + 25 KVAR + 15 KVAR + 2 X 5 KVAR) type MPP manufactured by using metalized poly propylene technology having total losses <0.5 W/KVAR high overload and frequent switching capability confirming to IS : 283, IS : 13340 and IS 13341 fitted with special sequential pressure sensitive disconnector.

A set of capacitive duty contactor and relay with MCBs of suitable rating and power indicator lamp.

2 Nos Panel cooling exhaust fan with filter of suitable size.

Internal panel wiring with copper busbar of suitable size.

Supply and fix On load change over switch in sheet metal enclousers 4 pole of capacity 400 Amp, 415 V, 50Hz on wall surface all as directed.

M & L for earthing with copper earth plate electrode 600mm x 600mm x 3.15 mm burried directly in ground earth pit not less than 2.25 mtr deep below normal ground level with top edge of the plate vertically to a depth not less than 1.5 mtr below ground level connected to the connecting copper strip 20 x 3 mm and including GI pipe 40 mm dia light grade for protection to the extend of 7.5 mtr as earthing lead by means of copper nuts, bolts as per connecting to equipment with provn charcoal and salt complete all as per electric plate No 5 of SSR Part-1 including PCC chamber with RCC cover watering arrangement with GI pipe 20 mm dia medium grade and MS funnel, including excavation and earth work and returning, filling in including ramming and removal of surplus soil and testing on completion complete all as specified.

Test point terminal block made of gunmetal /phosphorus bronze of size 75x75x25mm drilled and screwed including 3 Nos, 8mm dia 25mm long hex head screw fixed complete all as specified and as directed.

S&F copper strip 20x3 mm as earth continuity conductor laid on floors/walls by proper clamping as specified and directed

ELECTRO ASSOCIATES

NOEL ENGINEERS

shree arihant constrution

Shree Ayyappa Engineering

Veer High Tech Solution