REPAIR /REPLACEMENT OF LT PANEL BOARDS AND ALLIED WORKS AND REPAIR/REPLACEMENT TO EARTHING INSTALLATIONS AND CONNECTED E/M WORKS AT TECHNICAL AND DOMESTIC AREA AT AF STATION GWALIOR

M&L in repairs of digital electronic voltmeter (0-500V) range with in built selector switch assembly suitable for LT feeder board 415 Volts 50Hz AC supply flush pattern, square type 96mm x 96mm with adopter including connected wiring with 1.5 Sqmm PVC insulated and sheathed copper conductor cable including testing and commissioning complete all as specified and directed. Make:- AE/HPL SOCOMAC/L&T or equivalent.

M&L in repairs of digital electronic Ammeter (0-400 Amps) range with inbuilt selector switch assembly suitable for LT feeder board 415 Volts 50Hz AC supply flush pattern, square type 96mm x 96mm with adopter including connected wiring with 1.5 Sqmm PVC insulated and sheathed copper conductor cable including, testing and commissioning complete all as specified and directed. Make:- AE/HPL SOCOMAC/L&T or equivalent.

All as per above Item No 2 but for Ammeter of up to (0- 800) Amps.

M&L in repairs of current transformers of ratio 100/5 to 400/5 Amps in existing LT feeder pillar panel and making connections of secondary terminals to ammeter with using 1.5 Sqmm PVC insulated and sheathed copper conductor cable including, testing and commissioning complete all as specified and directed. Make:- AE/KAPPA/GE/HPL SOCOMAC/L&T or equivalent.

All as per above item No 4 but for current transformers of 500/5 to 800/5 Amps ratio.

M&L in repairs of indication lamps LED type with showing red, yellow and green colours of 22.5mm dia fixed to monitor on LT panel board suitable for 240 Volts AC supply and making connections with using 1.5 Sqmm PVC insulated and sheathed copper conductor cable including, testing and commissioning complete all as specified and directed. Make:- L&T/Binay/AE or equivalent.

M&L in repairs of MS Hinge plate in existing feeder pillar boxes/ panel boards with necessary spot welding etc including making necessary adjustment for free and smooth movement of panel and locking arrangements complete all as specified and directed.

M& L for repair to body of LT panel box by replacing MS Sheet duly fabricated in existing , shape and size with and including 2 mm thick CRCA sheet and all jointing material such as nuts bolts or washer and welding etc. complete all as specified and directed. Note:- (i) The panel board repaired shall be made totally enclosed, weather proof, vermin proof for installing incoming / outgoing MCCB / Switch fuses/ cable etc. (ii) The rates quoted by the contractor are deemed to be with and including necessary cutting, welding, levelling and jointing etc. as directed to match & accommodate with the existing feeder pillar box / panel board .

M&L painting to LT panel boxes after preparation of the old existing external and internal steel surfaces of feeder pillar boxes/panels/ boards of any description and in any position including removal of disintegrated & deteriorated paint either by hand scrapping or by blow lamps, applying necessary filler coat and stopping as required and applying two coats of synthetic enamelled paint (grey in color) with using spray machine on old prepared surfaces complete all as specified and directed.

Supply and installation & Testing factory made CPRI approved LT feeder pillar box made out of 3.15 mm thick CRCA sheet for 3 phase, 4 wire, 415 Volt, AC, 50Hz, outdoor, cubical type, weather, dust and vermin proof, pedestal mounting type front operated applications with and including S&F aluminium bus bar rating capacity 400 Amps and neutral 300 Amps rating capacity mounting of insulators, RYB indicator incoming controlled with fixed type MCCB 3 Pole of capacity 250 Amps and breaking capacity Icu= 36KA and outgoing MCCB 100 Amp 3 pole, 25 KA -04 Nos including canopy on top and gland provision in bottom made out of 3 mm thick shall be powder coated externally & internally after carrying out pre coating seven tank process comprises of degreasing, rising, derusting, rinsing, phosphating, rinsing & passivation thickness of powder coating shall be 80 micron, colour shade of powder coating shall be Siements Gray (RAL-7032) complete including locking arrangement and the fixing of the doors shall be such that the doors should automatically come to closed position if not kept open with effort and using suitable angle iron frame and shall be installed on a brick masonary plinth constructed in the C shape of required size using fly ash old size bricks built in CM 1:6. Brick masonary pedestal shall be constructed on 100 mm thick PCC bedding (1:4:8) type D2 (top of PCC bedding 400mm below GL). Height of PCC pedestal above GL shall be 600 mm. Masonry of pedestal shall be plastered 15 mm thick in CM 1:4, surface finished even & smooth using extra cement. Plastered surface of pedestal shall be painted with two coats of cement base paint over a alkali primer. Mild steel Angle Legs of Feeder Piller Box shall be embedded in PCC (1:3:6) type C1, block 150x150x300 mm deep or base channel shall be grouted in CM 1:3 including taking down old unserviceable LT feeder pillar box of any type and size and brought to MES store yard for further disposal complete all as specified and directed. Note:- Cost of civil work for construction of Pedestal and bus bar of aluminium conductor suitable shape and size with and including necessary excavation and grouting work are included in the quoted rates of Feeder Piller.