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| 1 | Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 11000 volts grade, of size 3 core 120 sq mm complete all as specifiand as directed. |
| 2 | Supply, installation, Testing, Commissioning of Oil Cooled, Copper wound, Step down down \\"BIS marked as per Electrical transformers (Quality Control) order, 2014 issued by ministry of Heavy Industries and Public Enterprises & BEE star labelled as per DT notification issued by ministry of power” transformer of capacity 500 KVA plinth mounted outdoor type with latest feature complete with standard fitted HT 11 KV 3 phase, LT 433V 3phase 4 wire,50 C/S oil immerse, naturally cooled (ONAN) externally cooling tube delta connection on primary HT 11 KV side and star connection on secondary LT 433V with tapping at +/-2.5 %to +/-5 % & +/- 7.5 % on HV side and to be changed by means of hand operated off load tap changing gear including first filling of new transformer oil as per IS:335 (mineral oil) of dilectric strength not less than 55 KV with all fitting and accessories such as LT box with cable gland, HT box with cable gland, Silica gel, breather, Oil level indicator gauge, drain out valve (oil tank), exhaust vent, air release valve, temp gauge, cast iron wheel etc. comply with EEL-3 IS 1180 (Part-1)-2014 with amendment no. 4 having total losses @ 50% load 1354W & total losses @ 100% load 3909W. Including following items/ Accessories. Contd........(i) Name, rating & diagram plate(ii) Off circuit tap changing switch(iii) Earthling terminals(iv) Lifting lugs(v Oil drain valve with plug(vi) Oil filter valve with plug (vii) Conservator with oil filling hole |
| 3 | Contd item No 2(viii) Thermometer pocket(ix) Air release plug(x) Silicagel breather(xi) Removable inspection opening(xii) Explosion vent Note : (i) The drawings of transformer shall be got approved from GE.(ii) Manufacturer’s inhouse Lab must be NABL approved.(iii) All tests shall be carried out at factory before the dispatch of Transformer inspection of officer as detailed by Accepting Officer.(iv) Manufacturer must have ISO Certificates (ISO:9001, ISO:14001, ISO:45001).(v) In case of any fault or failure of the transformer during the warranty/defect liability period, the contractor shall be fully responsible to arrange and install a temporary replacement transformer of the same make and rating within 24 (twenty-four) hours at site to ensure uninterrupted power supply.(vi) The rent/hire charges of the temporary transformer, including transportation, installation, operation and removal, shall be borne entirely by the contractor until the original transformer is repaired, tested, and reinstalled in healthy working condition at site, to the satisfaction of the Engineer-in-Charge, at no extra cost to the department. |
| 4 | Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 300 sq mm 3.5 core all as specifiand as directed. |
| 5 | M&L for earthing complete with copper earth plate electrode 600x600x3.15 mm tthick buried directly in ground(earth pit not less than 2.25 mtr deep below the normal ground level) with top edge of plate not less than 1.5 mtr below the normal ground level connected to copper earth strip 20 x 3 mm thick by means of nuts, bolts, washers and check nuts of brass, 40 mm bore GI pipe light grade proection pipe up to test point, 20mm dia light grade GI pipe for watering, meshed funnel, alternate layer of charcoal and common salt complete all as per SSR with PCC pit 50mm thick, RCC cover 540 x 540 x 50 mm thick in 1:2:4 type B-1 using 20mm graded stone aggregate reinforced with 8mm dia TMT bar @ 75 mm c/c both way in lieu of CI cover, and protection including necessary excavation and earth work complete all as specified and directed. |
| 6 | Supply, installing, erecting, commissioning and testing new factory made LT panel board, 415 Volts, 3 Phase & 4wire system, cubical out door type of suitable size for housing of all equipments & proper heat dissipation, CPRI approved weather/dust proof, made out of 3.15 mm thick CRCA sheet powder coated with front and back side openable with suitable cable alley protected with bakelite sheet between bus bar & cable alley with front side shutters with locking arrangement, including TPN Aluminium bus bar insulated with colour coaded heat shrinkable sleeve of rating not less then 1.5 times the rated capacity of the incomer ACB/ MCCB and bus bar chamber covered both side using bakelite sheet partition and wire mesh to the back side of cable alley for the protection purpose . All type Test Certificates and Design varification with switch gears ( ACB & MCCB) as per confirming to IS/ IEC: 61439/2011 Part-1 and part -2 with short circuit test at 65 KA, should be submitted by the contractor before executing the job. The TPN bus bar shall be mounted on F class insulators with intervals not more then 500 mm. All interconnections between the main bus bar as well as incoming/outgoing feeders shall be carried out with TPN Aluminium bus bar of rating not less then 1.5 times rated capacity of individual outgoing feeders. All control wiring shall be with FRLS PVC insulated 2.5 sqmm multi-stranded copper conductor and shall be properly bunched. The panel board shall have bottom channel of size 75 x 40 mm properly welded with 45 CM long 04 legs of angle iron 50x50x6 mm using 3 mm thick CRCA sheet corners to all legs and complete mounted or fixed on PCC foundation above 0.45 mtr on floor and cable connection with suitable size of Aluminum lugs and suitable size of chrome plated brass double compression glands provided for incoming and out-going cables comprising the following :- Make of ACB/ MCCB/MCB/Change over switch: L&T /ABB/ LEGRAND/ SCHNIEDER/ SIEMENS |
| 7 | Contd item No 4. INCOMING ACB(a) All interconnections between the main bus bar as well as incoming/outgoing feeders shall be carried out with Aluminium bus bar insulated with colour coaded heat shrinkable sleeve of rating 1000 Amps rated capacity of individual outgoing feeders.(b) ACB 4 Pole, 415 V,50 KA with microprocessor release (Manual Drawout type) of capacity 800 Amps- 01 NosOUTGOING ACB(c) ACB 4 Pole, 415 V,50 KA with microprocessor release (Manual Drawout type) of capacity 630 Amps-02 Nos Metering:d) AC digital voltmeter 0-500 volts Size 4\\"X4\\" with 3 Ph selector switch-01 Nose) 0-500 digital Amp meter with suitable Size 4\\"X4\\" with 3 Ph selector switch- 01 No..f) LED Indicating lamps RYB set of three -01 SetsNote: (a) Cable entry should be incoming/ out going from separate cable gallery.(b) All incoming/outgoing ACB shall be provided with suitable size of copper connection plates.(c) All incoming/outgoing ACB shall be provided with suitable spreader links.(d) Provision of gland hole, brass glands and heat shrinkable end joints of all incoming and out going cables all as directed.(e) All incoming/outgoing ACBs should be marking label/end plate/end clams/ suitable size of terminal block stud/screw less type etc.(f) Main bus bar/ link bus bar should be full covered including back side. |
| 8 | M&L for earthing complete with copper earth plate electrode 600x600x3.15 mm tthick buried directly in ground(earth pit not less than 2.25 mtr deep below the normal ground level) with top edge of plate not less than 1.5 mtr below the normal ground level connected to copper earth strip 20 x 3 mm thick by means of nuts, bolts, washers and check nuts of brass, 40 mm bore GI pipe light grade proection pipe up to test point, 20mm dia light grade GI pipe for watering, meshed funnel, alternate layer of charcoal and common salt complete all as per SSR with PCC pit 50mm thick, RCC cover 540 x 540 x 50 mm thick in 1:2:4 type B-1 using 20mm graded stone aggregate reinforced with 8mm dia TMT bar @ 75 mm c/c both way in lieu of CI cover, and protection including necessary excavation and earth work complete all as specified and directed. |
| 9 | Excavation in trenches in soft/loose soil n.exc 1.5m wide and n. exc 1.5m depth for laying of cable, errection of poles, stay and pipe line,and getting out complete all as specified and directed |
| 10 | Returning & filling including spreading, leveling watering and well ramming in layers n. exc 25 cm thick in any type of soil complete all as specified. |
| 11 | Removal of excavated soil to a distance n. exc 50 m above the starting point complete all as specified. |
| 12 | Supply & laying double walled corrugated (DWC) HDPE full rounded pipe in 6 m lenght conforming to IS 16205 Pt-24 of approved colour complete with fittings for cable protection of size 160 mm outer dia and 135 mm inner dia complete all as directed. (Make - Dutron/Universal/Astra |
| 13 | M& L for Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe of 160 mm dia suitable for 0.4 mpa working pressure all as specified and directed. |
| 14 | M &L for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm all as specified and directed. |
| 15 | M &L for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor 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 185 sqmm all as specified and directed. |
| 16 | M &L for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 sqmm to 300 sqmm all as specified and directed. |
| 17 | M & L for Providing and constructing OEM recommended RCC foundation for 500 kVA transformer, including excavation, PCC bed, RCC work with reinforcement, shuttering, grouting, transformer rails (if required), earthing provisions, finishing, curing, backfilling, and making the foundation ready to receive the transformer, complete in all respects as per approved drawings, technical specifications, and directions of the Engineer-in-Charge.(size of foundation min 3m x 3m) |
| 18 | Supply, installation, testing and commissioning of 11 kV, 630 Amps, 25 kA for 1 Sec (Rated Short Circuit), Non extensible, Outdoor type, 1 way RMU with 1 LBS, SF6 insulated, 11 kV Ring Main Unit contained within robotically welded Stainless Steel Tank & RMU Main Tank should be of 3mm thick stainless steel robotically welded with degree of protection IP-67 suitable for outdoor use, type tested for internal arc test for IAC AFL for 21 kA for 1 sec. Short Time withstand (STC) rating of the RMU should be 25 kA for 1 sec. Load Break Switch should be type tested for mechanical endurance of min. 5000 nos. of operations (M2 class). RMU shall be suitable for operation at an altitude of upto 1000 meter above MSL. The RMU shall be complete all as specified and directed and comprising of the following:(1) 630 Amp, 25 kA, triple pole, single break, 3-position (‘ON’, ‘OFF’ and ‘EARTH’) ring main switches, each with independent manual charged spring mechanism and fully rated earth switch, with provision for earth and test of the cable.(2) Cable boxes at each LBS shall be suitable for bottom entry of HV cables of size upto 240 sqmm and shall be located to the front/side/rear side of the RMU. Necessary Terminal Protector Boots should be supplied with each RMU. Compound filled cable boxes are not acceptable. |
| 19 | Providing and fixing chain link fencing of total perimeter 20.00 Running Metres forming a rectangular enclosure of 6.00 m × 4.00 m, and 2.40 metres height above ground level, around 500 kVA transformer foundation and RMU, comprising:Chain Link Mesh:50 mm × 50 mm diamond mesh made of 4.0 mm dia GI wire (approx. 8 SWG), hot dip galvanized.Posts:MS angle posts 65×65×6 mm or 80 mm dia GI pipe (medium class), spaced at maximum 2.50 m centre-to-centre, embedded in PCC (1:3:6) foundation blocks of 300×300×600 mm depth including excavation and backfilling.Corner/End Struts:MS angle/pipe struts provided at all corners and gate posts, properly anchored in PCC.Barbed Wire:03 rows of 12×12 gauge GI barbed wire fixed on cranked GI arms at top.Gate:One double-leaf MS angle framed gate of size 3.00 m (W) × 2.40 m (H), fabricated from 50×50×6 mm MS angle, covered with same chain link mesh, including heavy duty hinges, sliding bolt, hasp & staple, locking arrangement, central latch, stopper and tower bolts complete.Finishing:One coat zinc chromate primer and two coats synthetic enamel paint over MS components.ncluding all clamps, GI binding wire, tension wire, nuts & bolts, erection, alignment and making complete in all respects as per layout sketch and direction of Engineer-in-Charge. |
| 20 | M & L For Shifting of existing 5-Way RMU from 35 Area Substation to Photo Section Area and 3-Way RMU from Photo Section Area to 35 Area Substation, including safe dismantling, loading, transportation, unloading, positioning, alignment, re-installation, HT cable termination/jointing, minor civil works if required, testing, commissioning, and making the system fully functional, complete in all respects as per technical specifications and directions of the Engineer-in-Charge. Please Enable Macros to View BoQ information |
