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| 1 | Supply, installation, testing and commissioning step down, 11/.433KVA transformer, copper wound, outdoor type complete with standard fittings, plateform mounted, HT 11 KV 3 Phase, Level-2,LT 433 volts, 3 Phase 4 wire with off load tapings on HT side to vary secondary voltage up to ±7.5% with step ± 2.5% including suitable cable entry boxes on LT and bushings on HT side complete in all respects with standard accessories Dyn -11 connection of capacity 315 KVA including taking down of old BER transformer and deposited to MES store yard complete all as specified and directed. Salient features of transformer are as under:-(a) Transformer shall be oil immerse, naturally self cooled cooper wound, winding core type, MS radiator cool tank compete with first fill of transformer oil plus 5% spare oil as per IS 335 of 1993. the temperature of oil shall not rise more than 40 degree centigradeand 45 degree centigrade of winding. Transformer shall be painted with 2 coats of epoxy paint as per IS-632. Transformer must have ratings of Energy efficient level-2 and energy conservation (Energy conservation Binary Corps) for which necessasry test certificate to be produced by contractor from manufacturer of the transformer and tested as per latest verision of IS codesIS 1180 (Part-I) : 2014 with 1,2,3 or latest amendment.(b) The following standard accessories shall also be provided :-(i) Rating and diagram plate(ii)Earthing terminals 2 Nos(iii) Lifting lugs(iv) Thermometer pocket(v)Air release hole with plug (vi) Tap changer with locking provision(vii) Conservator with oil indicator. (viii) C.I. Rollers with locking provision.(ix) Silica Gel breather complete. (x)MS terminal box both on HT and LT site.(xi) Oil temperature indicator with maximum & minimum temperature rise indicator.(xii) Plain breathing device which would not permit ingress of rain water and insects.(xiii) Drain-cum-sampling valve (3/4\" nominal size thread) preferably steel with plug,(xiv) Oil filling hole (1-1/4\" Nominal size thread) with cover (for transformers without conservator)(xv)Necessary channel on foundation for fixing the transformer with joint and stopper. (xvi) Transformer drawing shall be got approved by Accepting Officer/representative before placing of order. |
| 2 | Supply, installation, testing and commissioning step down, 11/.433KVA transformer, copper wound, outdoor type complete with standard fittings, plateform mounted, HT 11 KV 3 Phase, LT 433 volts, 3 Phase 4 wire with off load tapings on HT side to vary secondary voltage up to ±7.5% with step ± 2.5% including suitable cable entry boxes on LT and bushings on HT side complete in all respects with standard accessories Dyn -11 connection of capacity 63 KVA including taking down of old BER transformer and deposited to MES store yard complete all as specified and directed. Salient features of transformer are as under:-(a) Transformer shall be oil immerse, naturally self cooled cooper wound, winding core type, MS radiator cool tank compete with first fill of transformer oil plus 5% spare oil as per IS 335 of 1993. the temperature of oil shall not rise more than 40 degree centigradeand 45 degree centigrade of winding. Transformer shall be painted with 2 coats of epoxy paint as per IS-632. Transformer must have ratings of Energy efficient level-2 and energy conservation (Energy conservation Binary Corps) for which necessasry test certificate to be produced by contractor from manufacturer of the transformer and tested as per latest verision of IS codesIS 1180 (Part-I) : 2014 with 1,2,3 or latest amendment.(b) The following standard accessories shall also be provided :-(i) Rating and diagram plate(ii)Earthing terminals 2 Nos(iii) Lifting lugs(iv) Thermometer pocket(v)Air release hole with plug (vi)Tap changer with locking provision(vii) Conservator with oil indicator. (viii) C.I. Rollers with locking provision.(ix) Silica Gel breather complete. (x)MS terminal box both on HT and LT site.(xi) Oil temperature indicator with maximum & minimum temperature rise indicator.(xii) Plain breathing device which would not permit ingress of rain water and insects.(xiii) Drain-cum-sampling valve (3/4\" nominal size thread) preferably steel with plug,(xiv) Oil filling hole (1-1/4\" Nominal size thread) with cover (for transformers without conservator)(xv)Necessary channel on foundation for fixing the transformer with joint and stopper. (xvi) Transformer drawing shall be got approved by Accepting Officer/representative before placing of order. |
| 3 | Supply installation testing and commissioning Servo voltage stabilizer for automatic operation, three phase naturally oil cooled indoor type,unbalanced type, copper wound, digital display type, relay free smooth and silent operation with 1 filling of transformer oil (IS 335: 2018 ) & designed for input variation between 340 V to 460 V with output voltage stabilized at 415 with accuracy ± 1% and speed of correction 50 Volts per second and of capacity 200 KVA including taking down of old BER voltage stablizer and deposited to MES store yard complete all as specified and directed The following specification./standard accessories shall also be provided :-(a). Input voltage 340V-460V(b). Out put Voltage 415V + 1% (adjustable ) (c ) Rated frequency 50 Hz (No distortion in wave form (d) response time not to exceed 10 mile seconds (e) Sensitivity (+) 1% (f)Rate of correction more then 6 volts/second for per phase (g) Class of insulation- A (h)No load losses less then 0.5% & Full load losses less than 2.5%(j) Efficiency more than 95%. Protections (k). Over load/short circuit protection (l).High/ Low voltage cut off (m) By pass arrangement in case of emergency (n)Single phase sequence change protection (o) Duty cycle - continuous 24 x 7(p)Type of load, 3 phase, unbalanced type (q)Digital display voltmeter/Ampmeter |
| 4 | Excavation in trenches n.exc1.5 Mtr wideand n.exc 1.5Mtr depth and getting outfor errection of LT poles, stay assembly and laying of cable etcin soft/loose soil complete all as specified and directed by Engineer-in-Charge |
| 5 | Returning, filling in, including spreading,leveling watering and well ramming in layers n.exc 25 cms. thick in soft / loose soil complete all as specified and directed by Engineer-in-Charge |
| 6 | Removing of excavated material to a distance n.exc 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point, complete all as specified and directed by Engineer-in-Charge |
| 7 | M&L for sand cushioning in trenches spreading and consolidation 8cm thick before laying the cable & 15 cm of sand after laying the cable complete all as specified |
| 8 | Supplying and laying reinforced precast concrete cable cover, class HV, Type 1 , flat, size 300mm x 180mm x 40mm |
| 9 | Supply, Laying, jointing, jointing and testing of under ground cables XLPE insulated screened PVC bedded galvanized steel strips armored electric power cable (heavy duty) with aluminium conductor HT11000 volts grade and cross section area 95 sqmm 3 core conforming to latest IS and ISI marked laid in trenches complete all as directed . |
| 10 | S & F cable route indicators made out of PCC block of size 30 x 80 x10 cm marked \"MES HT CABLE\" 1/6 of the PCC block to be grounded in ground level completed all as specified and directed. |
| 11 | M & L for 40 mm thick PCC 1:2:4 type B1 (using 20 mm graded stone aggregate) as in floor finishing even and smooth with using extra cement and making impression of expanded metal, whilst concrete is green over 100 mm thick PCC (1:4:8) type D-2(using 40 mm graded stone aggregate) with and including to make the road surface making good as per existing surface etc complete all as specified and directed by the Engineer in Charge. |
| 12 | Demolition for cement concrete/road in ground floor and paving n. exc 15 cm thickness below or above ground level including removal of rubbish to a distance exc 1.50 Km and n.exc 5.00 Km etc complete all as specified |
| 13 | Earthing complete with galvanized steel earth plate electrode 600mm x600mm x 6.3 mm thick buried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) with top edge of plate not less than 1.5 mtr below normal ground leel, connecting to the Galvanised earthing lead strip 32x6mm size, by means of bolts, nuts, heck nuts and washers of galvanized iron andearth lead protected by provision of GI medium grade pipe 65mm bore incl provision of concrete pit in PCC 1:2:4 type B-1 using 20mm graded stone aggregates with 40mm thick cover of RCC 1:2:4 reinforced with XPM (weight not less than 4 Kg/Sqm) and frame of angle iron 25x25x6mm with lugs 02 Nos and with 6mm dia MS bar handle made to shape GI medium grade 20mm bore pipe for watering perforated at bottom 1.75 metre long placed on top edge of earth plate, common salt & charcoal filling, test point made out of 40mm x 8mm FI with fixing arrangement, funnel, wire mesh and earth work in soft/loose soil, returning filling in and removal of surplus soil to a distance not exceeding 50 mtrs, all as per electrical plate No 5 of SSR-1991 Part I and connected to earth test point all as specified or indicated incl testing on completion.Note:-The required resistance of Earthing shall be 2 ohm or less than 2 ohm, If not found to the required resisstance, the contractor has to reorganised for required resistance andthe cost for the same included in the quoted rate and no extra shall be paid on failure of getting required resistance. |
| 14 | Cable jointing kit for 11 KV (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 |
| 15 | Switch Air break gang operated triple pole mechanically operated out door with all fitting/accessories mounted on and including 11 KV HT porcelain insulator vertical mounting with drop out fuses having 12 Nos insulators,triple pol and steel channel frame GI operating rod 25 mm dia of suitable lenght with operating mechanism worked from ground level vertically operated including 7 lever naval lock for operating handle complete suitable forcurrent rating 200 Amps HT 11 KV working pressure, including taking down old unserviceable switches air break, complete all as specified and as directed. Make: /BHEL/PACTIL/Japuria brothers |
| 16 | Supply and fixing in replacement of HT feeder pillar boxoutdoor type factory made weather and vermin proof made out from 3.15 mm sheet supported with legs all across the panel made of angle iron 50x50x5 mm of size 1.2 mtrx1 mtrx1 mtr with 3 Nos required lengthAluminium bus bar of size 40x10mm or 400 Amps for11 KV , 11 KV post Insulator 6 Nos duly drilled hole for HT Cable connection including front and rear side openable with locking arrangment suitable for 11 KV HT and provision for incoming and out going HT cable connection including painting with two coats of smoke gray synthetic enamels paint over a coat of red oxide primer complete and providing security fence XPM jally type of 2 mtr height from ground level square type all rounded 2.5 mtr length with 9nos angle iron of 25x25x5mm of hight 2.25mtr (2mtr above ground 0.25 mtr under ground) including necessary location gate of same XPM jally all as specified and directed . Note:- Feeder piller box shall be mounted on brick platform built in PCC not less then 60 cm above ground level with suitable PCC foundation rendering 15 mm in CM (1:6), applying two coats and cement base paints and XPM jally supported on 9 nos angle iron with concrete base. |
| 17 | Dismantling concrete poles/ struts, any size complete all as specified and as directed |
| 18 | Dismantling existing unserviceable ACSR conductor of any size all as specified and directed. |
| 19 | Dismantling cross arms of MS channels or angle sections etc complete all as specified and directed. |
| 20 | Dismantling insulator any type, any size complete all as specified and directed |
| 21 | Supply, fixing, connection and testing ofHT overhead lines on existing/new poles with XLPE insulated, Screened PVC beddedAerial Bunch cable 11 KV (E),95 Sqmm x 3 corehaving bunch of three single core cable duly twistedwith each other aroundinsulated steel messenger wire of size 1x70 sqmm throughout the length the cable should confirm to IS: 8130-1984, IS:398 (Part-IV)-1994, IS:7098 (Part-II)-2011 & IS: 5831-1984 with up to date amendments including provn of holding pole clamps/ pole mounting support clamps, end termination, connnetor all types, nut & bolts, anchor clamps on each existing/new pole with proper protection to the cableandother protective materials/accessories as required at poles complete all as specified and directed. |
| 22 | Supply and erect of steel tubular swaged pole complete with mild steel base plate 6 mm thick of size 300mm x 300mm finial taper plug, bolts,nuts and wqaqshers type 410 SP-55(11 mtr long) including drilling of hole of adeuate size and painted with two coat of aluminium paint over a coat of red oxide on exterior surface and two coat of black bituminous paint to portion embeeded in concrete painting five alternate black/white bands of 300 mm height each at lower portion upto 1.5 mtr heightcomplete all as specified and as directedNote: Excavation, earth work and PCC for foundation to be measured and paid separately. |
| 23 | PCC 1:4:8 type D2 using 40 mm graded crushed stone aggregate in foundation of electric poles including necessary from work and exposed surfaces finished fair without using extra cement complete all as specified and directed by Engineer-in-Charge |
| 24 | PCC 1:3:6 type C-2 using 40 mm graded stone aggregate as in bands, coping, bed plates etc including slightly rounded or chambered angles complete all as specified and directed by Engineer-in-Charge |
| 25 | Note:- Deduction for Schedule of credit (Sch \"A\" Part-II) to be made of ₹129830.00 from the total quoted amount of BOQ while accepting the bid. Details of schedule of credit is given in tender documents. |
