|
| 1 | SITC of Microprocessor based Draw out type 3/4 pole door interlock Air Circuit Breaker (ACB) as conforming to IS/IEC 60947 P - 2 :2003 in existing LT panel suitable for LT installation 440/415 V, 50 Hz and having adjustable over load, short-circuit, Instantaneous, earth fault (LSIG) with separate LED indication or Fault details on display for each type of fault shall confirm to EMI/ EMC test , LCD/LED display, last 10 trip history, Inbuilt ZSI, Current metering, Provision for Communication, Thermal memory, trip free mechanism, modular design and suitable for ambient 50 degree and utilization catagary B. In built electrical & mechanical anti pumping feature , pollution degree 3, 100% rated neutral . ACB shall have separate indication for service, test, isolation & maintenance position, Breaking capacity Icu = Ics = Icw ( 1 sec ) , U imp - 12 KV, break time not more then 30 ms. Provision for electrical & mechanical interlock between ACB sand other required accessories (Cost of accessories to be paid extra) Min.electrical operation 10000 upto 1600 A rating and 5000 for 2000 A to 4000 A. including making connections, testing etc. as required. OEM shall have submit NABL / CPRI / ERDA/ Intertek accrediated lab type test certificate. |
| 2 | Manual spring charged type 4 Pole |
| 3 | 1000 A Rating , 50 kA |
| 4 | SITC of IP-42 and general construction confirming to IS:8623 : 1993, wall/ free standing floor mounted dust and vermin proof compartmentalised cubical panel as specifications and Other parameters required as per point (a) ,(b), (c),(d), (e), (f), (g), (h) as below:- |
| 5 | (a) Thickness of CRCA sheet shall not be less than 1.6 mm upto 450 mm length/ width of any compartment and be 2.0 mm above 450 mm, load bearing structure shall be 2.0 mm thick sheet supported by base M.S. channel if required, cable alley compartments having concealed hinged type doors with key type lock with / without detachable extension type structure. Removable 3 mm. thick sheet steel gland plates with appropriate size of knockouts for cables shall be provided |
| 6 | (b) complete panel shall undergo a process of degreasing, Water rinsing, Activation, derusting, pickling in acid bath, phosphatising & shall be subjected to nine tank process and then Powder coated with approved shade of minimum 70 microns on both side(Inner & Outer side) of panel. The panel having PE foam/ Neoprene rubber gasket of not less than 3mm thickness ,required hardware , concealed hinged door with key type locking arrangement for equipment/switchgear earthed with 2.5 sq.mm braided copper wire. |
| 7 | [c) Interconnection between bus bar and switchgears /cable shall be rigidly supported and made out by flexible copper wires (up to 63 amp ) and by solid bus bar (>63 amp ) . control wiring will be carried out with 1.5 Sq.mm, Earth wire with 2.5 Sq.mm and CT with 2.5 sq.mm flexible copper wire only. All joints / interconnections of copper bus bar shall be dully tinned . Clearance between main bus bar and risers / metal parts shall be at least 10 mm additional to width of bus bar Bus bar is insulated by Heat Shrinkable sleeves . Earth and Neutral bus bar shall be half of the size of phase bus bar. ( Cost of Bus bar / Flexible wire for Interconnection between Main busbar and Switchgear is to be Paid Extra ) |
| 8 | (d) Wiring between components within switchgear and Incoming / outgoing cable shall be done through the terminal block only. Direct connection shall not be permitted. Each terminal block shall be one piece moulded, barrier type, 650 volt grade, complete with washers, heads, studs with two nuts and identification strips and shall have adequate continuous current rating. For tap-offs, adjacent terminals with shorting strips shall be used. 10% Spare terminal blocks shall be provided. Wire identification on marking strip shall correspond to the designation of the wiring diagrams. All wire terminals on the equipment shall also be marked with designation corresponding to those of the wiring diagram. |
| 9 | (e) All wiring shall be enclosed in plastic channels and neatly bunched and closed in metering chamber, Wiring between terminals of various devices shall be ‘point to point’ (no wire splitting or tee connections) with wires neatly trucked along the back of the panels, adequately supported to prevent sagging. |
| 10 | (f) Floor mounted panel shall be mounted on Base frame of ISMC channel size 100 x 50 x 5 mm ( to be paid Extra ) |
| 11 | (g) Tests: The insulation resistance (with 1000 V Megger) and High voltage Power frequency test (by applying a voltage of 2.5KV for one minute) shall be measured between phases, between phase and neutral and between phase and earth. both before and after high voltage power frequency test. The insulation resistance shall not be less than three megaohm. CT Secondary current injection test shall also be carried out. |
| 12 | (h) only outer surface area on all sides shall be measured & panel to be fabricated only from CPRI approved fabricator only (CPRI type Test certificates for Temp. rise test, Short circuit test for 50 kA and IP test is to be submitted) |
| 13 | Supplying and fixing of Aluminium (IEC 60105 ISO 209-1,2) / Copper (IEC 60028) bus bar by means of SMC / DMC type insulator, with short circuit withstand capacity of 31 MVA for 1 Sec. , high tensile nuts and bolts spring washers in existing panel including bending , cutting in required shape and size and colour coding with heat shrinkable PVC sleeves. |
| 14 | Electrolytic grade Aluminium bus bar 6010 grade |
| 15 | P & F in position frame made out of M.S. angle (riveted or welded) finished with two coats of red oxide and two coats enamel paint including cutting, welding, holes etc.of following sizes as required. |
| 16 | 50mm x 50mm x 6mm |
| 17 | Excavation of trench of size additional 20 cm in width, with procedure as per following points :- (a) Make a river sand bed of height 100 mm along the trench, (b) Lay another cable in middle of trench in such manner that spacing between another cable is 20 cm., (c) Provide river sand bed of height 100 mm on top of the cable. (d) Lay the protective Common burnt clay F.P.S. Bricks of Class designation 75 /Sand stone slabs of 50 mm thickness and 225 mm wide just above the sand bed vertically (Longest side is vertical to cable) along the cable , (e) Backfill the excavated soil leaving 300 mm from the Ground level, (f)Lay the Cable warning tape and again back-fill the remaining portion of the trench upto the ground level and compacting the earth |
| 18 | P / L of Double wall corrugated HDPE pipe confirming to IS : 16205 P-24, Stiffness Class 750 N, Externally corrugated and having smooth surface inside with HDPE Coupler, Elbow, Tee at required Depth below the ground for laying cable of following Nominal Outer dia. MFR Test report from NABL accrediated is to be submitted.(Excavation of trench, CC Haunching, Back filling of Earth with compaction is to be Paid Extra). |
| 19 | 110 mm |
| 20 | Earth work in excavation/ by mechanical means (Hydraulic Excavator) / Manual means over areas (exceeding 30 cm in depth, 1.5m in width as well as 10 sum on plan) including disposal of excavated earth, lead upto 50 m and lift upto 1.5 m, disposed earth to be levelled and neatly dressed: |
| 21 | Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with Cement Mortar 1:6 ( 1-Cement : 6-Sand). |
| 22 | Plaster on new surface on wall in cement sand mortar 1:4 including racking of joints etc. complete fine finish : |
| 23 | 12mm thick |
| 24 | Providing and fixing welded mesh/expanded metal mesh 25 mmx 25 mm x 3mm in frame work, flat iron beading 20x3mm including top cross laps inside and out sides welding, iron bolts, crews, clips etc. including two coat of red oxide and two coat of enamel paint or more required complete with frame work with 50 X 50 X 6mm angle iron post 30 cm in ground embeded in cement concrete 1:3:6 (30X30X45cm) at corner and every three mtr including painting with one coat of primer and two coat of enamel paint work will be done as per direction of engineer incharge of size complete in all respect. . |
| 25 | Gravelling of Transformer / RMU Yard with 100 mm Height Gravels of Size 20 to 25 mm including leveling, Dressing etc. as Required. |
| 26 | Providing & Laying XLPE insulated & P.V.C. sheathed Armoured Aluminium cable confirming to IS :7098 P - I of 1.1 KV with H4- Grade electrolytic aluminium conductor confirming to IS 8130 of purity >99.6 %, round / flat strip armouring of cables, Inner / outer sheath confirming to IS:5831 in existing RCC / Hume / Stoneware / PVC pipe/ open duct/cable trench / Cable tray(with cable tie) including testing commissioning etc. as required of following size. |
| 27 | 120.0 Sq. mm |
| 28 | 3.5 core |
| 29 | SITC of 3 /4 pole current limiting Moulded case circuit breaker (MCCB) made of flame retardent & heat resistant material having following current rating, short circuit breaking capacity at 440/415 V, 50 Hz; O/L & S/C settings , conforming to IS/IEC 60947 P -2 :2003 with front face and centralised adjustable, trip free mechanisum, true contact position indicator, designed for both horizontal & vertical mounting without any adverse effect on electrical performance, suitable for operation from 50 to 55 degree and without derating upto 40 degree, pollution degree 3, having positive isolation capability, push (test) to trip, trip time less then 10 ms under s/c condition, Breaking capacity Ics = 100% Icu. U imp =8 KV, rated insulation voltage 690V. provision for UVR , shunt trip , earth fault trip, door interlock, pad lock & rotary handle ( to be paid extra) , including making connections etc. as required. OEM shall have submit NABL / CPRI / ERDA/ Intertek accrediated lab type test certificate. |
| 30 | 4 pole MCCB With Thermal Magnetic release |
| 31 | up to 100 Amp , 25 kA, adjustable O/L & Fixed S/C setting, |
| 32 | 125 Amp , 25 kA, adjustable O/L & Fixed S/C setting, |
| 33 | Plate Earthing as per IS:3043 with Hot dipped G.I. Earth plate of size 600mm x 600mm x 6.0mm by embodying 3 to 4 mtr. below the ground level with 20 mm dia. G.I. 'B' class watering Pipe ,including all accessories like nut, bolts, reducer, nipple, wire meshed funnel, Heavy duty weather proof poly-propylene earth inspection chamber as per requirement of IS/IEC 62305 and tested as per IEC 62561-5 with lockable Jam free lid suitable for safe working load 60 kN of round / square size 250 mm, and Height 250 to 300 mm. and embodying the pipe complete with alternate layers salt and coke/ charcoal, testing of earth resistance for value of 5 ohms or less as required. |
| 34 | Supply & Laying following size earth wire in horizontal or vertical run in ground/surface/recess including riveting, soldering, saddles, making connection with GI/Cu purity purity >95% thimble etc. as required. |
| 35 | 8 SWG G.I. ( Hot Dipped ) Wire |
| 36 | Charges for Testing of transformer oil for its viscosity and dielectric strength including collection of sample from top and bottom of the existing transformer tank and submission of test report complete with all T & P , labour etc as required . |
| 37 | Supply and filling of fresh transformer oil as per IS: 335 in existing transformer along with submission of oil test report for its physical and chemical properties.The oil shall be clear and free from any suspended matter or sediments complete as required complete in all respect. . |
| 38 | Replacement of Silica gel Breather of Distribution Transformers of following capacities complete in all respect. . |
| 39 | 250 KVA |
| 40 | 800 KVA |
| 41 | Supply & fabrication steel structure with MS channel / angle / joist / ISMB / sheet etc. including welding, rivetting, cutting, nut & bolt , one coat of primer & two coat of enamel paint etc. as required complete in all respect. . |
| 42 | Add GST 18% Please Enable Macros to View BoQ information |
