REPAIR /MAINTENANCE OF LT ELECTRICAL DISTRIBUTION SYSTEM, UG CABLE AND OTHER MISC E/M WORK AT TECHNICAL AREA, RUNWAY AREA, OTM INDAURABAGH, 358 TRU AND WSA ARE AUNDER AT AF STN BKT

Amount

Excavation in trenches in soft/loose soil , not.exc 1.5 mtr wide and not.exc 1.5 mtr deep and getting out in soft/loose soil for laying of cable/foundation of pole and stay etc complete all as sepecified and directed.

Returning filling in, soil including spreading, levelling, watering and well ramming in layers n.exc 25 cm.

Removing surplus excavated materials not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above ground level from starting point.

M&L for sand cushioning in trenches for protection of LT under ground cable including watering and consolidation complete all as specified and directed. (Note:- punned thickness shall be measured only)

Supply and laying well burnt sub class ‘B’ bricks, locally best available laid in trenches for protection of underground cable complete all as specified and directed.

Taking out old serviceable /unserviceable under ground cable from trenches/poles /pipe/floor of size 16 Sqmm 3.5/4 core to 35 Sqmm 3.5/4 core complete all as directed.

Ditto- to item No 6 above but of size 50 Sqmm 3.5/4 core to 120 sqmm 3.5/4 core

Ditto- to item No 6 above but of size 150 Sqmm 3.5/4 core to 185 sqmm 3.5/4 core

Supplying , laying , passing through pipe , connecting and testing UG cable XLPE insulated ,armoured heavy duty electric cable with aluminium conductor ,1100 volts grade (Note:- Excavation , Earth Work pipe etc will be measured and paid sepretaly) XLPE Cable of size 16 Sqmm, 4 Core complete all as directed.

Ditto- to item No 9 above but XLPE Cable of size 25 Sqmm, 3½ Core .

Ditto- to item No 9 above but XLPE Cable of size 35 Sqmm, 3½ Core .

Ditto- to item No 9 above but XLPE Cable of size 50 Sqmm, 3½ Core .

Ditto- to item No 9 above but XLPE Cable of size 70 Sqmm, 3½ Core .

Ditto- to item No 9 above but XLPE Cable of size 120 Sqmm, 3½ Core .

Ditto- to item No 9 above but XLPE Cable of size 150 Sqmm, 3½ Core .

Ditto- to item No 9 above but XLPE Cable of size 185 Sqmm, 3½ Core .

Re- laying , passing through pipe , connecting and testing UG cable XLPE insulated ,armoured heavy duty electric cable with aluminium conductor ,1100 volts grade (Note:- Excavation , Earth Work pipe etc will be measured and paid sepretaly) XLPE Cable of size 16 Sqmm to 35 Sq mm complete all as directed.

Ditto- to item No 17 above but XLPE Cable of size 50 Sq mm to 120 sq mm 3½ Core .

Ditto- to item No 17 above but XLPE Cable of size 150 Sq mm to 185 sq mm 3½ Core .

M&L for drilling hole under hard standing /road in different locations as per site requirement (between 03 mtr to 12mtr maximum) for laying of pipe, for protection of cable etc by means of mannual bookle and without disturbing the top surface and making good the disturbed surface if any complete all as specified.

Supply and laying GI tube light grade 80 mm bore (ISI marked) complete for protection of cables etc complete all as specified and directed.

M&L for heat shrinkable jointing kit of 1.1 KV grade 25 Sqmm to 50 Sqmm x3.5 core XLPE cable including suitable size of connector complete all as per directed by Engr-in-charge. including necessary excavation and earth work , labour, Jointing kit complete, fixing charges & T&P including removing of grass/shrubs nearby the fault location all as specified and directed. MAKE:- M-seal, Raychem, CAB Seal, Denson.

All as per item No 16 above but for XLPE Cable of size 70 sqmm to 120 Sqmm x 3.5/4 core

All as per item No 20 above but for XLPE Cable of size 180 sqmm to 240 Sqmm x 3.5/4 core

S&F LT volt meter (0-500) digital square, flush type of size 96x96 mm including necessary addition/ alternation of panel including cutting/welding of front side of panel board /feeder to match the existing panel board/feeder including taking out of unserviceable Volt meter complete all as specified and directed. MAKE:- AE/L&T/Havells/Crompton.

S&F 1100 Volts grade LT Ammeter (0 - 500 A) digital square, flush & CT type with CT's including necessary addition/ alternation of panel including cutting/welding of front side of panel board /feeder to match the existing panel board/feeder taking out of unserviceable Ammeter complete all as specified and directed. MAKE:- AE/L&T/Havells/Crompton.

M&L for Spray painting to existing LT panel board with two coats of synthetic enamel high glow paint Ist grade including preparation/cleaning of steel surfaces all as specified and directed.

S&F in repair of MCCBs thermal magnetic including necessery fixing arrangement complete all as specified and directed, of capacity 100 Amps, 4 Pole, breaking capacity 25KA .

All as per item No 30 above but 160 Amps, 4 Pole, breaking capacity 36 KA .

All as per item No 30 above but 200 Amps 4 Pole breaking capasity 36 KA .

All as per item No 30 above but 250 Amps, 4 Pole, breaking capacity 36 KA .

Supply and fixing aluminium thimble , cable gland and lux after disconnecting from panel and taking down burnt cable from panel of different location and cutting out the burnt portion of cable and extended the cable from cable loop, preparation of cable including necessary connection and testing complete for 25 Sqmm 3.5 core to 50 sqmm 1100 volt grade sizes :-(Note : (i) 01 Job consisting of 04 Nos Lugs/thimble at one end of cable (ii) Rate of necessary Earthh work for opening of loop if requried at site are deemed to be included in the quoted rate )

Ditto complete all as per item No 21 herein above but size of cable 70 sqmm to 120 Sqmm 3.5 core 1100 volt grade.

Taking down existing old LT panel board/ LT feeder pillar box comprising of MCCB & switch fuse unit of any capacity and size including bus bar ,ammeters, voltmeters etc after disconnecting all cable connection and removing from site complete all as specified and directed.

Supply, installing, commissioning and testing of CPRI approved LT bus bar chambers (wall mounted) weather proof having 04 nos bus bar equal size made by copper conductor with PVC insulated coloured heat shirnkable type sleeves rating of bus bar 200 Amp mounted on non cracking resin type insulator.

Supply, installing, commissioning and testing of CPRI approved LT bus bar chambers (wall mounted) weather proof having 04 nos bus bar equal size made by copper conductor with PVC insulated coloured heat shirnkable type sleeves rating of bus bar 250 Amp mounted on non cracking resin type insulator.

M&L for Earthing complete with copper earth plate electrode 600x600x3.15mm thick buried directly in ground earth pit not less than 2.25mtr deep below normal ground level with top edge of the plate not less than 1.5 mtr below ground level connected to copper earth lead strip 20 x 3mm size by mean of nut/bolt and washer of copper as shown in electrical plate no 5 of SSR part I including necessary excavation and earth work GI pipe 20mm dia light grade for watering etc, PCC pit chamber with PCC cover in cement concrete 1:2:6 Type C2 with 40 mm thick Precast RCC cover slab 1:2:4 type B 0 with 8 mm dia TMT bar and handle with lifting hooks, adequate quantity of charcoal dust and common salt etc including testing complete.

Supply and fixing in repair copper strip 20mmX3 mm complete with saddles and fixing screws for fitting the strip for earth continuity conductor complete all as specified and directed.

M&L for Earthing complete for machinary/Equipment installed at power house/sub station with galvanised iron earth plate 600 x 600 x 6mm thick burried directly in ground (earth pit not less that 2.25mtr deep below ground level ) with top edge of the plate not less than 1.5mr below normal ground level connected to galvanised iron strip of size 25 x 4mm by means GI welding after tighten by bolts, nuts, check nuts and washers from earth pit to test point including protection GI pipe of size 40mm bore light grade and providing masonry enclosure and watering pipe of dia 40mm bore light grade including wiremesh steel funnel, including watering arrangement 200 ltrs for each earth pit complete all as shown in electrical No 3 of SSR Part-I connected to main board/ distribution board as specifed and directed. Make of GI Pipe:- TATA/JINDAL/ZENITH (Note : GI strip and G.I protection pipe 7.5 mtr length is included in the quoted rate.)

M&L for GI strip of size 25 x 4 mm for Earth continuity conductor or main earthing lead fixed on wall on insulator or PVC pipe or chases or burried in ground or fixed to poles or any other indicated situation for loop earthing etc as directed .

PCC 1:4:8 type D-2 using 40 mm graded stone aggregate including use and waste of form work of concrete for foundation.

Supply & Fixing angle iron 50x50x6 mm having minimum height 1.5 feet and welding or connecting with bolts and nuts all as specified .

Supplying and fixing 1100 volts grade heavy duty cable PVC insulated aluminium conductor , served with inner sheathing of PVC tape and overall PVC sheathed in service connection of size 10 Sqmm 2 core complete all as specified & directed.

Labour only for removing all vegetation for LT Panel/Feeder Pillar near of 2 Mtr all around and all as specified and directed. (Location- Airforce station Domestic)

Detection of pin point fault in LT cable (burried in ground/under road/path up to depth of 1.5 m) by cable fault locating machine comprising impulse generator,acoustic fault locator and reflectometer (laptop based) complete all as specified and as directed by Engr-in-Charge. Notes-(1) Cable fault locating machine to be arranged at site with in 12 hrs after intimation (2) Earth work will be measured seperatly.(3) Cost of transpotation in unit rate is deemed to be included. Location:-AF stn BKT.

MTR GROUP & COMPANY

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