Supplying, Installation, Testing and Commissioning of 11 kV HT VCB Panel, LT distribution panel for 2X400 kVA substation near SHQ SOs Mess at Paloura campus under FTR HQ Jammu.

Amount

Supplying, installation, testing & commissioning of Scada Compatible indoor type floor mounted metal clad, 11 KV VCB panel with 3 No. VCBs,(01 incooming & 2 Outgoing) totally enclosed & fully interlocked, horizontal draw out, horizontal/ vertical isolation type breaker as per IS 13118, as amended up to date and additional specifications, having capacities as mentioned below, single break, trip free mechanism, manually charged and auto/manually closing breaker suitable for use on 11 KV, 3 Phase, 50 Hz A.C. supply with short circuit fault level of 350 MVa,26.3 KA breaking capacity for 3 sec complete with self contained, fully interlocked, rack in and rack out mechanism, air insulated but encapsulated copper bus bars of 630Amps capacity, breaker featured with mechanical ON/OFF indicator with hand trip device, spring release coil, shunt trip coil and auxiliary switch of 4 NO+4NC and equipped with following switchgears and accessories i/c connections suitable for 3x 120 sq. mm. XLPE 11 KV cable (cable entry from bottom side) end termination with heat shrinkable jointing material etc. as required. (Note- Cost of end termination not included in this item)

Supplying and laying of 3 core ,120 sqmm, 11 KV(UE) Under ground power cable with following specifications (A2XFY),unearthed stranded compact circular aluminium conductor , Conductor screen with extruded semi conducting compound, XLPE insulated, insulation screening with extruded semiconducting compound in combination with copper tape,cores laid up, innersheath of PVC, Galavanised streel strip armoured, and overall PVC sheathed cable confirming to IS 7098 (Part-2) 2011 with upto date ammendments direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required.

Supplying and laying of 3 core ,120 sqmm, 11 KV(UE) Under ground power cable with following specifications (A2XFY),unearthed stranded compact circular aluminium conductor , Conductor screen with extruded semi conducting compound, XLPE insulated, insulation screening with extruded semiconducting compound in combination with copper tape,cores laid up, innersheath of PVC, Galavanised streel strip armoured, and overall PVC sheathed cable confirming to IS 7098 (Part-2) 2011 with upto date ammendments in the existing masonory open duct as required.

Supplying and making indoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, XLPE aluminium conductor cable of 11 KV grade as required:

Supplying and making outdoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, XLPE aluminium conductor cable of 11 KV grade as required:

Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 metre below ground as strip earth electrode, including connection/terminating with G.I. nut, bolt, spring, washer etc. as required.(Jointing shall be done by overlapping and with 2 sets of G.I. nut,bolt & spring washer spaced at 50mm)

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. (but without charcoal/ coke and salt ) as required.

Providing and fixing 25 mm X 5 mm copper strip in 40 mm dia G.I. pipe from earth electrode including connection with brass nut, bolt, spring, washer excavation and re-filling etc. as required.

Supplying, installation, testing & commissioning of cubical type LT panel suitable for 415 V, 3 Phase, 4 Wire 50 Hz AC supply system having front surface area 8.74 sq.mtr (Approx.) fabricated in compartmentalized design from CRCA sheet steel of 2 mm thick for frame work and covers, 3 mm thick for gland, plates i/c cleaning & finishing complete with 7 tank process for powder coating in approved shade, having 1000 Amp capacity extensible type TPN aluminium alloy bus bars of hight conductivity, DMC / SMC bus bars of high conductivity, DMC/ SMC bus bar supports, with short circuit withstand capacity of 31 MVA for 1 Sec., bottom base channel of MS section not less than 100 mm x 50 mm x 5 mm thick, fabrication shall be done in transportable sections, entire panel shall have a common copper earth bar of size 25 mm x 5 mm at the rear with 2 Nos. earth stud, solid connections from main bus bar to switch gears with required size of Al. bus bars and control wiring with sq. mm. PVC insulated copper conductor S/C cable, cable alleys, cable gland plates in two half, i/c providing following switch gears:

(i) Incoming (a) 2 Nos, 800 Amps each four pole horizontal draw out type air circuit breaker of fault breaking capacity 50 KA (Ics=100 % Icu up to 440 V manually operated, fitted with interlocked door, automatic safety shutters, mechanical ON/OFF and service/test/isolated position indicators and frame earthing contact, conforming to IS 1397- 2 : 1993 as amended up-to-date complete with following accessories for ACB (b) independent manual spring closing mechanism- 2 No. (c) Microprocessor release with last 20 trip history & 60 events logging (EMI & EMC certified) for over current, earth fault & short circuit protection- 1 set. Operating temperature (-25 to 70 degree)- 2 set (d)100 x 96 mm size multifunction meter that can show measured parameters like TRMS voltage, TRMS current, Frequency, power factor, active power, active energy, on hours, load having Serial Rs-485 communication interface & back up MCBs-2 set. (e) 3 Nos. CT’s of ratio 1000/5A Class I accuracy and 15 VA burden- 2 set. (f) 3 Nos. Phase indication LED lamps with 2 Amp back up HRC fuse, breaker ‘ON ‘indicating light with 2 A HRC fuse, test terminal block set, fuses, circuits as per standard practice, auxiliary contacts for positive interlocking of the breakers as required. – 2 set (g) Shunt trip coil 220 V A.C.- 2 set.

(II) Bus Couplers: 01.Nos. 800 Amps horizontal four pole draw out type, air circuit breakers of fault breaking capacity 50 KA (Ics=100 % of Icu up to 433 V) manually operated, with interlocked door, automatic safety shutters, mechanical ON/OFF and service/test/isolated position indicators and frame earthing contact conforming to IS 13947-2: 1993 as amended up to date complete with following accessories for each ACB: (a) Independent manual spring closing mechanism- 1 No. (b) Breaker ‘ON’ indicating light with back up 2 A HRC fuse test terminal block, fuses, circuits contactors for positive electrical interlocking of breakers, etc. as required 1 set.

(III) Bus Bars: TPN aluminium bus bars of minimum of 1000 Amp’s capacity with heat shrinkable coloured sleeves and i/c DMC/SMC bus bar cross section, size supports & their spacing etc. for withstanding fault level of 31 MVA for 1 Sec.

(IV) Interlocking: Electrical through advance contacts in ACB’s (incomers & bus couplers) and mechanical (castel key) interlocking should be provided to ensure that only one supply is available at a time on each section of bus and to eliminate any possibility of accidentally approaching two supplies at one bus section.

(V) Outgoing: 1. (a) 2 Nos. 400 Amp 4 Pole MCCB (BC : 50 kA) LSIG microprocessor release with overload/short circuit/Earth fault protection ICS=100 % ICU) including Rotary handle mechanism (b) CT’s of ratio 400/5Amps 02 Set (1 set of 3 Nos.) (c)2 Nos 100x96 mm Digital type multifunction meter having following measured parameters TRMS Voltage, TRMS current, Frequency & on hours 2. (a)8 Nos. 250 Amp 4 Pole MCCB (BC: 50 kA) LSIG microprocessor release with overload/short circuit/Earth fault protection ICS=100 % ICU) including Rotary handle mechanism (b) CT’s of ratio 300/5Amps 08 Set (1 set of 3 Nos.) (c)8 Nos 100x96 mm Digital type multifunction meter having following measured parameters TRMS Voltage, TRMS current, Frequency & on hours Panel shall be made from CPRI Approved manufacturer ACB Make- ABB Formula Air ACB EK 1 LSIG Release/Snieder NW/Siemens 3WL MCCB Make : ABB Tmax,Snieder NSX,Seimens 3VA CT,Pilot light,Multifunction meters-ABB/Siemens/Snieder/L&T or Reputed make of requisite specifications.

Avon Electricals

power control system

M/S SUNIL KUMAR SURI