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| 1 | Supply, installing, testing and commissioningof outdoor type plinth mounted step down transformer, 11 KV/433 Volts (at no load) AC 3 phase 50 Hz, 400 KVA capacity, core type, double copper wound, oil immersed, naturally cooled, Oil Natural-Air Natural (ON AN), with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector groupDYn-11, Neutral brought out on secondary side (LV side) andhaving tapings at -7.5% to 7.5% on HV side and to be changed by means of hand operatedoff load tap changer gear. The maximum temperature rise should not exceed45 degree celsius in oil and 55 degree celsius in HV/LVwinding when measured by resistance method after continuous full load run on an ambient temp of 40 degree celsius.The transformer shall be conforming to EEL-3 as per IS-1180 (Part - I) 2014 with latest ammendment 1,2,3 & 4 having total losses as per EEL -3 and shall comprise of the following:-(a) One cable box on HT side (primary side) consisting of three nos porcelain bushing with copper rods, complete with nuts and washers, withcable glands (b) One cable box on LT side (Secondary side) consisting of four nos porcelain bushing with copper rods, complete with nuts and washers, withcable glands(c) Oil conservator with drain valve and oil level guage.(d) De-hydrating breather with first fill ofdehydrating agent (silica gel). (e) Exhaust vent, air release valve, Thermometer pocket on tank cover, Lifting lugs, Oil filling hole with cap / plug and four nos plain solid cast iron detachable rollers. (f) One no 100 mm dia, dial type thermometer, vapourpressure type, having range 0-120 degree celsius with metal guardhaving maximum perimeter temperature readingindicator with re-setting device. (g) Two earthing terminals on tank cover for earthing ofbody. (h)Name, Rating and diagram plate. (j) Extra bushing for neutral, in the LT cable box forproviding independent set of earthing for neutral.(k) First fill of new transformer oil, IS-335 marked,filteredand tested upto 55 KV dielectric strength (l) Providing adequate size andnos of channels, embededin floor, for movement of transformer.Note :- (i) Transformer inspection & testing by representative of accepting officer shall be carried out in the premises manufacturer’s factory premises before dispatch, the rate of which included in above quoted rate.(ii) The contractor shall be responsible for carrying out SEI pre commissioning testing of transformer the ratein above quoted rate. (iii) The contractor shall responsible for all arrangement for carrying out of testing of the equipment |
| 2 | Material and labour for construction of Transformer plinth, outdoor type incl necessary excavation, levelling, spreading of gravels etc. complete with comprising the followings :-(a) Platform for Transformer :-M & L for Size 6000X3000X1700 mm (500 mm below GL & 1200 mm above GL) for installation of transformer with, PCC 1:4:8 type D2 as in foundation, fly ash brick wall of 230 mm incl plastering with cement Mortar 1:4 incl filling under floors watering and well ramming with soil and 100 mm PCC 1:2:4 coping on the top of platform and two coats of Cement based paint over a coat of Primer incl preparation of newly plastered surfaces. including provn of steps in one side of plateform 1.0 Mtr wide(b) S & F Galvanised chain link fencing of size 75 x 75 x 4mm dia, 2.1 Mtr high with swan neck,angle Iron postof 50x50x5mm with 40x4mm flat Iron fixed with nut & bolts, 10 mm dia rounded bars as in spacers and two coats of synthetic enamel paint over a coat of zinc oxide along with GI 2 strand barbed wire, PCC 1:3:6 Type C2 as in foundation incl necessary excavation and earth work. (c) M&L for 100 mm thick PCC 1:4:8 Type D2 (Using 40 mm graded stone agg) as in Sub base, 50 mm thick PCC 1:2:4 Type B1(Using 20 mm graded stone agg) incl necessary excavation and earth work. 1 Mtr wide along both side of fencing all around the substation. (d) M&L for 1 Mtr wide Steel gate with locking arrangment including, two coats of Synthetic enamel paint on steel surfaces over a coat of Zinc oxide primer incl preparation of surface incl necessary excavation and earth work . (e) Gravels of 40 mm upto 100 mm height all around the Platform up to 1 meter, path and inside the fencing.(f) Danger notice plate 02 Nos on the gate & fencing. |
| 3 | M&L for earthing complete with galvanized steel earth plate electrode 60cmx60cmx6mm thick burried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of plate not less than 1.5 m deep below normal ground level and connected to and including galvanized iron earth streep 25x4 mm by means of GI welding thimbles, etc as shown in electrical plate No 3 of SSR Part-I and connection to main switch board/Test point/panel/equipment and testing on completion including excavation and earth work in any type of soil, returning filling in, and removal of surplus spoil to a distance not exc 50 metre, charcoal and salt in alternate layer 15 cm thick all around the earth plate electrode, MS funnel with wire mesh, GI pipe medium grade 20 mm bore for watering and 40mm bore upto 7.50 metre long GI pipe light grade for earth wire protection fixed with poles/wall with two clamps, made from MS flat 25 mmx3mm, welding,PCCchamber (1:3:6) type C1, 40mm thick precast RCC cover 1:2:4 type B1 shall be provided on CI frame etc complete including taking down existing u/s earthing and site clearnce complete all as specified & as directed. |
| 4 | All as per srl item No \"3\" (here-in-before) but using galvanized iron wire 4 mm dia as earthing lead and GI protection pipe light grade 20 mm bore.NOTEfor Srl item no 3 & 4 :- The unit rate quoted shall includes for protection pipe and GI earth streep 25x4mm and GI earth wire 4.00mm dia from top of earth plate to equipment. |
| 5 | Supply, installation, commissioning and testing of LT Panel out door type,LT 415 Volts, 50 Hz , 3-phase, 4 wire supply, size of LT panel not less than 1.5 m high x 2.5 m width x 0.8 m depth CPRI approved/tested, factory assembled ,out door type,weather and vermin proof (Protection Class IP-54) made out of3.15 mm (for external) and 2.00 mm (for internal) thickMS Sheet CRCA sheet with both side (front and back) hinged, double door opening for external, rubber lining, locking arrangement, painted internally and externally with powder coating of grey shade (RAL-7032) as per seven tank process completemounted on angle iron 65mm x 65mm x 6 mm legs 45 cm high above GL and 15 cmembedded in ground with and including blocks of PCC 1:2:4 type C1 of block size 30x30x30 cm comprising of the following. (a) Bus bar chamber having 4 nos air insulated Aluminium strip bus bars of rating not less than the 1.5 times the rated capacity of theincomer ACB/MCCB, bus bar must be colour coded heat shrinkable as well as outgoings shall have aluminium four pole(bus bar) of current carrying capacity not less than 1.5 times the rated capacity of individual MCCBs.:- (a) INCOMING :- (i)ACB 4 pole , LT 415 Volts, 50 Hz ACgradeof 630Amps rating50 KArupturingcapacitiy with Adjustable Thermal and Fixed Magnetic setting - 01 No. (ii) Voltmeter 0-500 V digital type with 3 way rotary selector switch - 01 No (iii) Ammeter 0-800 Amp digital type with 3 way rotary selector switch - 01 No (iv) Indicating lamp one set of three (v) CT of suitable size class-1 ISI marked - 01 Set of three (b) OUTGOINGS (i) MCCB4 pole, 415 Volts, 50 Hz AC, 250 Amps 36 KA rupturingcapacitiy with Adjustable Thermal and Fixed Magnetic setting - 1 Noc. (ii) MCCB4 pole, 415 Volts, 50 Hz AC, 200 Amps 36 KA rupturingcapacitiy with Adjustable Thermal and Fixed Magnetic setting - 2 Noc (iii) MCCB4 pole, 415 Volts, 50 Hz AC, 100Amps 25 KA rupturingcapacitiy with Adjustable Thermal and Fixed Magnetic setting - 2 No. (iii) MCCB4 pole, 415 Volts, 50 Hz AC, 63Amps 25 KA rupturingcapacitiy with Adjustable Thermal and Fixed Magnetic setting - 1 No.Note:(i) All incoming and outgoing feeder shall be connected by cable through suitable size glands & thimples.(ii) The various feeders shall be indicated by 50mm size letters in synthetic enamel white paint (iii) All MCCB should be connected to Bus bar directly through expended links |
| 6 | All as per item No 4 here-in-before, size of Feeder pillar panel not less than 1.0 m high x 1.5 m width x 0.7 m depth but incommer & outgoing as per the following:- (a) INCOMING :- (i) On load change over switch of capacity 200 Amps, four pole, 415 volts, AC, 50 Hz. - 1 No (ii) Voltmeter 0-500 V digital type with 3 way rotary selector switch - 01 No (iii) Ammeter 0-400 Amp digital type with 3 way rotary selector switch - 01 No(iv) Indicating lamp one set of three (v) CT of suitable size class-1 ISI marked - 01 Set of three (b) OUTGOINGS (i) MCCB4 pole, 415 Volts, 50 Hz AC, 63 Amps 36 KA - 4 Nos. |
| 7 | Supply and laying, testing and commissioning of HT Underground XLPE insulated, screened PVC bedded galvanized steel strip armoured electric power cable (heavy duty) with aluminium conductor 11 KV grade (Earthed) of sizes 3 Core 95 Sqmm cable comfirming to IS-7098 Pt-II cable laid in trenches / walls / ducts / poles including taking out the old one complete all as specified and directed :- |
| 8 | Supply and fix cable jointing kit for 11 KV grade cable (Earthed) grade cable for outdoor termination heat 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 |
| 9 | Supply and fix cable jointing kit for 11 KV grade cable (Earthed) grade cable for indoor termination heat 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 |
| 10 | Supplyinstallation, connecting and testing gang operated air break switch, mounted on insulators HT 11KV 200 Amps rating, triple pole, fifteen insulator suitable for vertical mounting fixed and spring loaded revolving tinned brass / copper contacts, galvanized steel base frame, 32 mm boremedium grade pipe Galvanizedoperating rod (Medium Grade), operating handle, locking arrangement MS clamps, bolts, nuts & washers etc, including drop out fuse assambly triple pole 11KV including two coats of aluminium paint over a coat of red oxide primer complete all as specified and directed. NOTE :- (i)The rate includes ACSR conductors PVC sleeves, PG clamps and thimbles reqd for jumpers / connections to OH lines of 2 poles / 4 poles structures and outgoings feeders. |
| 11 | M&L for lightning arresters expulsion type complete with all fittings, transmission class discharge capacity 65 Kilo Amps 11000 volts complete including taking down the existing lightening arrestor complete all as specified and directed. |
| 12 | Supply , laying,jointing, testing and commissioningLT underground cable, 1100 volts grade, XLPE insulated and PVC sheathed, armoured heavy duty with multistrand aluminium conductors IS-7098, laid in trenches /fixed on wall /floor /road /culverts /pole or encased in GI pipe of cable size single core 630 sqmmcomplete all as specified. |
| 13 | All as per item No 12.00 (here-in-before) but of cable size 3.5 core 300 Sqmm. |
| 14 | All as per item No 12.00 (here-in-before) but of cable size 3.5 core 35 Sqmm. |
| 15 | Boring of hole under road/pavement/hard standing or any other situation by manual means and suitable for passing of GI/DWC pipe upto 150 mm bore and making good both ends all specified and directed |
| 16 | Supply and laying double wall corrugated pipe (DWC) in replacement conforming to IS 16098 Part - I of size 110 mm outer dia and 95 mm inner dia complete all as specified and as directed |
| 17 | Excavation in trenches not exc 1.5m wide and not exc 1.5m in depth for laying of cable etc, and for foundation of poles, stays etc. not exc 10sqm on plan and getting out in soft / loose soil complete all as specified and directed. |
| 18 | M&L for Sand cushioning 230mm thickness withdry sand (one layer of 80mm thickness before laying of cable and other layer of 150mm thickness after laying of cable) andpunned down to 180mm after laying of cablein trenches for protection of cable completeall as directed.Note :- For the purpose of payment only punned thickness shall be measured. |
| 19 | M&L for brick covering to underground electric cable using sub class ‘B’ bricks, laid dry, flat, perpendicular to the direction of cable etc complete all as specified and directed. . |
| 20 | Supplying and laying un-reinfoced precast concrete cable cover of class HV type 1 with flat size 300 x 180 x 40mm compete all as specified and directed. |
| 21 | M&L for returning filling in approved excavated soil including spreading levelling and well ramming in layers n.exc 25cm thick complete all as specified and directed. |
| 22 | M&L for removing surplus soil to a distance not exceeding 50 m & depositing at a level not exceeding 1.5 m above the starting point complete all as specified and directed. |
| 23 | Demolition of path /concrete in ground floors and pavings (below or above ground level) .complete all as specified and as directed. Note : The rate inclusive of taking down and refixing of any type of cheqered tiles, interlocking tiles complete as per existing for good make. |
| 24 | M&L for cement concrete type B-2, 1:2:4 (40mm graded aggregate) complete all as specified and as directed. |
| 25 | Supply, errecting & fixing in true vertical position pre stressed concrete pole conforming to IS-1678 of 11 mtr long, 152mm x 152mm at top and 152mm x 260mm at bottom, class 9, including painting of HT pole complete as specified and directed.Note : (i) Earth work & PCC shall be measured and paid separately. |
| 26 | M&L for CrossArms, bracings, supports, clamps, eye hook and back plates fabricated from structural steel sections including pole clamps, D clamps, nuts, bolts, washers welding bending cold or hot drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of aluminium paint complete all as specified and directed. |
