Military Engineer Services-MES has published Tender For Special Repair To Sub Stations And Ht Cable Laying In Tech Area At Af Station Gwalior. Submission Date for this Tender is 13-01-2024. HT Cable Tenders in gwalior Madhya Pradesh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 01-Jan-2024 | AMD2 | Date | 13-01-2024 |
| 2 | 01-Jan-2024 | AMD1 | BOQ | 13-01-2024 |
| Sl. No. | Item Description |
| 1 | Disconnecting, dismantling and taking out old U/S XLPE Cable of 11 kV, 240 sqmm 3 Core complete all as specified and directed. |
| 2 | Supply laying & testing of HT XLPE cable insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) with stranded aluminium conductor, 11000 volts grade, of size 3 core 240 Sq mm including cable path indicators at a distance of every 100m duly marked with "MES HT cable" all as specified and directed. |
| 3 | Excavation in trenches in soft/loose soil not exceeding 1.5m deep and not exceeding 1.5m wide and getting out including forming bottom surface to required levels/gradients/slopes for foundations/laying of cable etc. including taking out existing cable protection brick cover etc.all as specified and directed. |
| 4 | Returning, filling in, including spreading, leveling, watering and well ramming the excavated soil in layers not exceeding 25cm thick complete all as specified and directed. |
| 5 | Removal of surplus excavated soil to a distance not exceeding 50mtr distance and depositing as directedat a level not exceeding 1.5mtr above starting point complete all as specified and directed |
| 6 | M&L for sand filling with clean dry fine sand unwashed including gently punning around cables in trenches for cable protection complete all as specified and directed. Note:- Only punned thickness shall be measured and paid. |
| 7 | Supplying & Laying un-reinforced pre cast flat concrete cable protection cover of class HVP, type I with peak, size 300mmx180mmx40mm, factory made, complete all as specified and directed. |
| 8 | Supply and Fixing and testing of Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete (end joint) with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 sqmm to 300 sqmm complete all as specified and directed. |
| 9 | Supply and Fixing Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 to 300 sqmm complete all as specified and directed. |
| 10 | Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including M&L for insertion of HDPE pipe of 150 mm dia suitable for 0.4 Mpa working pressure complete all as specified and directed. |
| 11 | Supply, installation, Commissioning and testing HV Junction box panel board of KIOSK having bus bar size 50x6mm AC, 50 HZ suitable shape and size as approved by GE for 3phase 11000 Volts, AC, 50 Hz supply, Outdoor cubical type, dust and vermin proof, pedestal mounting type suitable for Outdoor applications having suitable shape/ size canopy on top to accommodate 01 incoming and 03 outgoing cables, made out of 3.15 mm thick MS sheet with using 25mm x 25mm x 5mm angle iron frame and supports, duly finished with powder coated using two coats of synthetic enamel paint of approved colour over a coat of red oxide primer all over steel surfaces complete including locking arrangement andincluding PCC work for fixing panel legsand bus bar of aluminium conductor suitable shape and sizefor 3 phase rating of 600 ampsIP-65 Protection (Including chainlink and fencing with locking arrangement) complete all as specified and directed. |
| 12 | Material and labour for earthing complete with galvanized steel earth plate electrode 600mm x 600mm x 6mm buried directly in ground vertically to a depth not less than 2.25 metre below normal ground level (with top edge of earth plate not less than 1.5 metre below ground level) connected to galvanized iron earth strip 32 x 6 mm (main earthing lead) by means of galvanized bolts, nuts and washers all as shown in electrical plate No 3 of MES Schedule Part-I (2009) connected to earth test point & to main switch board with & including adequate quantity of charcoal dust and common salt all-around earth plate & 40 mm dia GI pipe medium grade for earth lead protection pipe for suitable length and GI pipe 20 mm dia medium grade for watering pipe with funnel & wire meshincluding necessary earth work and PCC (1: 3 : 6) type C-1 for earth pit , internal surface of concrete shall be given 10mm thick plaster in CM 1:4 and 40 mm thick precast RCC cover 1 : 2 : 4 ,type B-1( using 20 mm graded crushed stone aggregate) reinforced with8 mm dia TMT bars @ 75 mm c/c both ways with 12mm dia round bar as in handle including taking down of existing earthing completeall as specified & directed by Engineer-in-Charge. Note: (i) Test result of earthing to be submitted by the contractor for all earthing. (ii) Earth filling shall be done by vegetable soil. (iii) Soil should be free from stone, boulders, aggregates, gravel, etc. (iv) The rate quoted by the bidders shall be also be deemed to include Supply of charcoal and common salt. |
| 13 | Supply, Fixing, Commissioning and testing of modular one side extendible 11kV 630 Amp, 3phase, 50 Hz, outdoor type, SF 6insulated Ring Main Unit/HT panel5 way comprising of 02 Number Load break switch (LBS) and 03 Nos of Vacuum Circuit Breaker, with all required interlocking for functional and safety considerations as per site requirement incl provn of padlocking, suitable for ambient temp - 5 degree C to 50 degree C, mounted on MS angle platform of size not less than 75x75x6 mm, EC grade tinned copper bus bars mounted over epoxy/DMS insulators, copper flat bus bars, (for earthing metal clad, CB, LBS, MS angle), Air insulated metering module, all live parts of the switchboard like bus bars, LBS etc should be enclosed in robotically laser welded single stainless steel tank min 20mm thick having IP 67 degree of protection with SF 6 as insulating medium, gas pressure indicator with green and red zone, max leakage rate 0.1 % per year, NRV for fill up of gas, housed in min 2 mm CRCA outer enclosure, grit/shot blasted IP 54 confirming to IEC-62271-1(2017), IS-12729:1988 incl all latest amendments, painted in polyurethane based powder paint over thermal spray of Zn alloy, confirming to all relevant IS & IEC standards including the following items :- (a)Load break Switch (LBS), HT 11 kV, with integral earth switch & fuse trip confirming to IEC 60127, IS 9920 and IS 9921 indoor type 2.0 mm thick CRCA sheet enclosure, interlocked earth switch with following specification :- |
| 14 | Item no. 13.01 contd... (aa) Rated system voltage 12 kV (ab) Rated current rating 630 Amps. (ac) Nominal system voltage -11 KV, 50 Hz, 3 pole. (ad) One minute power frequency voltage withstand level-28 KV RMS (Min). (ae) Impulse voltage withstand level-75 KV peak (min). (af)Type of insulation -SF6. (ag) Rated short time with stand current 21 KA/3 sec (min). (ah) Rated short circuit making capacity 62.5 KA. (aj) Type of operating mechanism-Quick make, Quick break manual spring assisted toggle, (ak) Interlocking: to prevent simultaneous switching of earth and main switch, with provn of padlocking in Earth/main position. (b) Vacuum Circuit Breaker : 11 KV, 630 Amps, 3 Phase, 50 Hz, 3 Phase indoor type, totally enclosed/metal clad switch gear, overload earth fault and short-circuit protection, voltmeter rage (0-15 KV) and Ammeter (0-630 Amp), complete of following specifications mentioned in IS/EC 62271-100 & 200 /IS 13118 : 1991 incl latest amendments /additions. (ba) Push buttons for breaker On/OFF. (bb) SCADA compliants self powered microprocessor based IDMT Relay (3 O/C + 1 E/F) with rechargeable battery with adjustable O/C and E/F element current setting including 1 No Voltage monitoring relay for under voltage /over voltage protection. (bc) One minute power frequency voltage withstand level-28 KV RMS (min). (bd) Impulse voltage withstand level-75 KV peak(min). (be) Rated Breaking current : 21 KA (min) for 3 s (bf) Rated making current : 62.5 KA. (bg) Mechanical and LED indications fr breaker ON, OFF, Earth, TRIP, spring charged. |
| 15 | Item no. 13.01 contd... (bh) Dual core dual ratio current transformer (CT) chamber compressing of 3 Nos, single phase resin cast /ring core CTs of 300/150/5+5 Amps (incoming) and CTs of 200-100/5+5 Amps (outgoing), burden not more than 15 KA accuracy class 0.5 for metering, having class 5 P10 for protection as per IS:2705. (bj) Potential transformer (PT), 3 phase dry type (resin cast) fixed type 11 KV/110 Volts, burden 100 VA, Accuracy class 0.5 with HT & LT HRC fuses/MCB for primary and secondary complete all as specified and directed as per IS:3156-01 set. (bk) Earthing switch rated for full making capacity with provision for safe & reliable position indicator. (c) Misc Provisions : (ca) Voltage indication lamps for all 3 Phases for earth function of RMU. (cb) LED bulb for illumination. (cc) Space heater with thermostat. (cd) One set of mechanical indicator for ON/OFF indication for all LBS/circuit breaker/Earth switch, liveline indicator. (ce) Go-No-Go indication based on SF 6 gas pressure. (cf) Multifunction meter in all circuit breakers, Voltmeter in balance. |
| 16 | Disconnecting HTElectric Supply and taking down old existing VCB of any capacity of any description and in any position from the existing indoor/outdoor substation, shifting the VCB to new location not exceeding 6KM away from the starting point and installation, fixing and commissioning the VCB connecting the incoming and outgoing connections including testing the VCB all as specified and directed Note: Fixing of VCB in existing structure and in case repair of platform, repair work is deemed to be included in quoted rate. |
| 17 | Supply & fix GI pipe, light grade, 100mm dia for cable protection including all fittings, fixed in poles/walls, floors etc complete all as specified and directed. |
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