Up-Gradation / Modification Of Substation Equipment At Jail No. 8 / 9, Tihar Jail, Delhi-- 1 MAIN LT PANEL Supplying, installation, testing & commissioning of cubical modular type LT panel suitable for 415 V, 3 Phase, 4 Wire 50 Hz AC supply system fabricated in compartmentalized design having bus bar chamber duly fabricated from CRCA sheet steel of 2 mm thick for frame, back, sides, partition & doors and 3mm thick for glad plate duly powder coated in approved shade including cleaning & finishing complete with 7 tank process complete with2000 Amp capacity extensible type four strip aluminium alloy bus bars of hight conductivity, DMC/ SMC bus bar supports having 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, entire panel shall have a common 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, control wiring with2.5 sq. mm. PVC insulated copper conductor single core cable, cooling / ventilation fans including construction of suitable CC foundation, in & out connections and providing & Fixing following switch gears therein etc. complete as required. (i/c credit of the dismantled LT panel to the agency) 2 Incoming T/F 1 & 2 3 (i) 2 Nos- 1600 Ampers four pole horizontal drawout type electrically operated air circuit breaker of fault breaking capacity 50 kA breaking capacity (Ics = Icu = Icw=100%) for 1 second suitable upto 690V, fitted with interlocked door, automatic safety shutters, mechanical ON/OFF and service/test/isolated position indicators and frame earthing contact, auxilary contacts, shunt trip, interlocking features etc. complete with self powered Microprocessor based release for adjustable setting for over current, earth fault & short circuit protection with LCD display & pre overload and over temperature protection indication & all other standard features conforming to IS 1397-2 : 1993 as amended up-to-date(ii) 2 Sets- RYB Phase indication LED lamps with 6A, 10KA, C Curve back up MCB, breaker ON/OFF/TRIP indicating light with 6A, 10KA, C Curve backup MCB(iii) 2 Nos.- 3 phase Intelligent multifunction digital meter to read V, A, KVA, KWH, PF Hz etc. with 3 Nos. resin cast CTs of 1600/5 A class 1.0 accuracy and 15 VA burden and with 3 Nos 6A, 10KA, C Curve back up MCB. 4 Incoming D/G 1 & 2 5 (i) 2 Nos- 1000 Ampers four pole horizontal drawout type electrically operated air circuit breaker of fault breaking capacity 50 kA breaking capacity (Ics = Icu = Icw=100%) for 1 second suitable upto 690V, fitted with interlocked door, automatic safety shutters, mechanical ON/OFF and service/test/isolated position indicators and frame earthing contact, auxilary contacts, shunt trip, interlocking features etc. complete with self powered Microprocessor based release for adjustable setting for over current, earth fault & short circuit protection with LCD display & pre overload and over temperature protection indication & all other standard features conforming to IS 1397-2 : 1993 as amended up-to-date 6 (ii) 2 Sets- RYB Phase indication LED lamps with 6A, 10KA, C Curve back up MCB, breaker ON/OFF/TRIP indicating light with 6A, 10KA, C Curve backup MCB(iii) 2 Nos.- 3 phase Intelligent multifunction digital meter to read V, A, KVA, KWH, PF Hz etc. with 3 Nos. resin cast CTs of 1000/5 A class 1.0 accuracy and 15 VA burden and with 3 Nos 6A, 10KA, C Curve back up MCB. 7 Bus Coupler 8 (i) 1 Nos - 1600 Ampers four pole horizontal drawout type electrically operated air circuit breaker of fault breaking capacity 50 kA breaking capacity (Ics = Icu = Icw=100%) for 1 second suitable upto 690V, WITHOUTrelease, fitted with interlocked door, automatic safety shutters, mechanical ON/OFF and service/test/isolated position indicators and frame earthing contact, auxilary contacts, shunt trip, interlocking features etc.(ii) 1 Sets- RYB Phase indication LED lamps with 6A, 10KA, C Curve back up MCB, breaker ON/OFF/TRIP indicating light with 6A, 10KA, C Curve backup MCB 9 Interlocking 10 (i) Electrical interlocking through advance contacts in ACBs (all Incomers & Bus couplers)along with mechanical interlocking 11 Outgoing 12 (i) 2 Nos.- 800 Ampers four pole horizontal drawout type electrically operated air circuit breaker of fault breaking capacity 50 kA breaking capacity (Ics = Icu = Icw=100%) for 1 second suitable upto 690V, fitted with interlocked door, automatic safety shutters, mechanical ON/OFF and service/test/isolated position indicators and frame earthing contact, auxilary contacts, shunt trip, interlocking features etc. complete with self powered Microprocessor based release for adjustable setting for over current, earth fault & short circuit protection with LCD display & pre overload and over temperature protection indication & all other standard features conforming to IS 1397-2 : 1993 as amended up-to-date 13 (ii) 2 Sets- RYB Phase indication LED lamps with 6A, 10KA, C Curve back up MCB, breaker ON/OFF/TRIP indicating light with 6A, 10KA, C Curve backup MCB(iii) 2 Nos.- 3 phase Intelligent multifunction digital meter to read V, A, KVA, KWH, PF Hz etc. with 3 Nos. resin cast CTs of 800/5 A class 1.0 accuracy and 15 VA burden and with 3 Nos 6A, 10KA, C Curve back up MCB. 14 (ii) 8 Set- 630A, FP, 36KA MCCB (Ics=Icu =100%)withThermal Magnetic based release with adjustable settinghaving O/L & S/C protection with Rotary handle and spreader terminal.(iii) 6 Set- 400A, FP, 36KA MCCB (Ics=Icu =100%)withThermal Magnetic based release with adjustable settinghaving O/L & S/C protection with Rotary handle and spreader terminal.(iv) 4 Set- 250A, FP, 36KA MCCB (Ics=Icu =100%)withThermal Magnetic based release with adjustable settinghaving O/L & S/C protection with Rotary handle and spreader terminal. 15 Transformer Supplying, installation, testing & commissioning of 630KVA, 11/0.433KV, 3Ph, 50Hz, Dyn 11, indoor ONAN type, copper wound transformer with OFF load tap changing arrangement on HV side in steps of +/2.5% & -7.5%,having cable end boxes on HV side suitable for 3x400Sq mm XLPE cable of 11KV grade and 1600A bus trunking arrangement on LV side complete with all accessories i/c first filling of filtered dehydrated oil and confirming to IS 2026 (part 1 to part 5) & as per specification attached complete in all respects as required at site. (i/c credit of dismantled transformer to the agency) 16 BustrunkingSupplying, installing, testing and commissioning of 1600A Air Insulated Compact Type Bus Duct suspended on ceiling for use on 3 phase 4 wire 415 volts, 50Hz A.C. supply with metal clad enclosure having IP-54 rating after fixing the tap off boxes and all accessories, made of 1.6mm thick steel sheet duly powder coated in convenient sections complete with 4 Nos aluminium bus bars having current density of 130 A/ sq cm at nominal current rating, necessary joints, elbow joints & expansion joints, fire barrier at each floor, continuous earthing with 2 Nos aluminium strip of suitable size (one on each side) including, G.I. clamping brackets, suspenders, angle iron bracket, steel fasteners, connecting to earthing system etc. as required. (i/c credit of the dismantled bus trunking to the agency) 17 EarthingEarthing 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 meter long etc. with charcoal/ coke and salt as required. 18 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. 19 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 meter long etc. with charcoal/ coke and salt as required. 20 Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re-filling etc. as required. 21 CableSupplying & fixingof following size XLPE insulated and PVC sheathed Aluminium conductorarmoured power cable of 1.1 KV grade conf. to IS 7098 (Part-I)in the following Ways etc complete as required. 22 3.5 x 400 Sq.mm 23 3.5 x 185 Sq.mm 24 3.5 x 120 Sq.mm 25 3.5 x 95 Sq.mm 26 Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 kV grade as required. 27 3½ X 400 sq. mm (82mm) 28 3½ X 185 sq. mm (57mm) 29 3½ X 120 sq. mm (45 mm) 30 3½ X 95 sq. mm (45 mm) 31 MISC. CIVIL WorkProviding and laying in position cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) in foundation of pump, DG set etc. including form work etc. as required. 32 Excavation of the cable trenches in hard rock not exceeding 1.5 meter in width, and lift upto 1.5 meter, including getting out the excavated soil and disposal of excavated soil as directed within a lead of 50 meter. 33 Providing brick work (in width 225 mm or more) with F.P.S. bricks of class designation 7.5 in cement mortar 1:4 (1 cement : 4 coarse sand) at all levels. 34 Providing 15 mm thick cement plaster of mix 1:4 (1 cement : 4 fine sand) at all levels.
