Babasaheb Bhimrao Ambedkar University Tender

Supplying, installation, Integration, testing & commissioning of indoor type floor mounted metal clad, 11 KV VCB panel with 01 No. VCBs, totally enclosed & fully interlocked, horizontal drawout, 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, complete with self-contained, fully interlocked, rack in and rack out mechanism, air insulated but encapsulated copper bus bars of minimum 1250 Amps (12 KV) 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 300 sq. mm. XLPE 11 KV cable (cable entry from *bottom/ top/side) end termination with heat shrinkable jointing material etc. as required with following arrangements :- a) 01 Nos. Digital Type Voltmeter (0-15KV) along with 11 KV / 110 Volts PT (Class 0.5 accuracy & 100 VA burden), Selector Switch for Voltmeter and Protection Fuses/MCB for HT Metering upto 12 KV on Incomer, b) 01 Nos. Digital Type Ammeter (0-300 Amp. Dual Scale), selector switches for ammeters. c) Microprocessor based numerical relay with O/L, E/F and S/C protection. d) 01 Set of dual core dual ratio 3 CTs 300/150/5/5 A of 15 VA burden or appropriate burden with suitable CT ratio and accuracy Class – 0.5 for metering and class 5P10 for protection. (Make: Crompton Greaves/Schneider/ABB) Note: The above job includes Lifting & Fixing along with Installation, testing and commissioning Charges of 1250 KVA, 11/0.433 KV, 3 Phase, 50 Hz, Dyn 11, Outdoor ONAN type, Copper Wound Transformer (as supplied by BBAU) with all tool & tackles crane & hydra as required.

Supplying, installation, testing & commissioning of power pack with 220 Volt AC input & 24 Volt DC continuous output suitable for closing/tripping/indication of 01 Nos. HT panel boards with 2 Nos. 12 Volts each maintenance free batteries of 100 (suitable) AH each, charging unit, capacitor bank for emergency delivering for trip system complete with suitable capacity of Ammeter & Voltmeter i/c connections with 2.5 sq. mm FRLS insulated copper conductor cable etc. as required. (Make : I.S.I. / Branded)

Supplying, installation, testing & commissioning of cubicall type LT panel suitable for 415 V, 3 Phase, 4 Wire 50 Hz AC supply system having front surface area …..sq.mtr (Approx.) fabricated in compartmentalized (preferably) 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 ……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 :- Incoming : 01 Nos 2000 Amps each four pole horizontal drawout type air circuit breaker of fault breaking capacity 50 KA (Ics=Icu upto 433 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 each ACB A. Independent manual spring closing mechanism- 1 No. B. Microprocessor release (EMI & EMC certifi ed) for over current, earth fault & short circuit protection- 1 set. C. Digital type Voltmeter (0-500 V), with selector switch & back up HRC fuses/MCBs-1 set. D. Digital type Ammeter (0-2000 Amp), with selector switch and one set of 3 nos. CT’s of ratio 2000/5A Class I accuracy and 15 VA burden- 1set. (Ratio to be filled up). E. 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. F. Shunt trip coil 220 V A.C. (Make Crompton Greaves/Schneider/L&T/ABB/Siemens) (II) Bus Couplers : 01 Nos. 2000 Amps horizontal four pole MCCB/drawout type, air circuit breakers of fault breaking capacity 50 KA (Ics=Icu upto 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 upto 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. (Make Crompton Greaves/Schneider/L&T/ABB/Siemens) (III) Bus Bars : TPN aluminium bus bars of minimum of 2500 Amps 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 possiblility of accidentally approaching two supplies at one bus section.