Bharat Sanchar Nigam Limited Tender

Sub-Head-I (LT Panel) Supplying, Installation, Testing and Commissioning of extensible Indoor Cubical type floor mounting, free standing compartmentalised L.T. Panel suitable for 440V, 3 phase, 4 wire, 50 Hz AC supply system having 800 Amp Aluminium busbar , indicating lamps with protective fuses and feeders,connectors as per following including interconnections with suitable size aluminum bus-bars for incomers and outgoings and comprising of the following switch gears & accessories etc. complete as per specifications attached. Panel shall be fabricated out of 14/ 16 SWG CRCA MS sheet i/c degreasing with seven tank process, painting with primer coat & powder coating and stand of MS angle 40mm x 40mm x 5mm thick, 25x5mm Copper earth bus for loop earthing including the following, appropriate sign writing to be done, etc complete as required as per specification attached. Incomers i) 630A, 4pole MCCB, 50 kA breaking capacity, Magnetic Thermal Release range 500-630A, Adjustable thermal Over Load setting & Adjustable Short Circuit setting, Spreader Link, Auxillary Contact block for 2 NO/NC Contact,Rotary opertaing handle with key mechanism for extended in panel, Shint release for Electrical interlocking and Mechanical interlocing etc complete as required, (M/s. L &T make, Type: DN3-630N Cat. No. CM94104OOT1OG or Similar Superior make ) - 2 Nos Bus Coupler i) 400A, 4pole MCCB, 50kA breaking capacity, Magnetic Thermal Release range 320-400A, Adjustable thermal Over Load setting & Adjustable Short Circuit setting, Spreader Link, Rotary opertaing handle with key mechanism for extended in panel (M/s. L &T make, Type: DN3-400N Cat. No. CM94103OOR1OG or Similar Superior make ) - 01 No. Outgoings i) 125A, FN 125 TPN SDFand HN00 HRC Fuse link of 125 Amp with extensible rotary operating handle, Auxillary Contact block of 1 NO + 1 NC and terminal shrouding (M/s. L & T Make, Type: FN 125 TPN SDF, Cat. No. SK95405OOO or Similar Superior make) - 8 Nos Metering & Indication system i) Multifunction Meter (Dualsource LCD meter Cl 0.5) M/s L & T Make, Cat No-WC404020OOOO along with 3 nos 630/5A CTs (For all Incomers.)-2 Nos ii) Multifunction Meter WL404010OOOO - 2 Nos iii) LED indication along with protective HRC control fuses for 3 phases and ON & OFF indication( For incomer MCCBs)- 2 Jobs iv) LED indication alongwith protective HRC control fuses for ON & OFF indication (For all outgoing TPN SDFs)- 8 Jobs v) Electrical, Mechanical & Door interlocking between both the incomers. (Note: Drawing is to be got approved from Engineer-In-Charge before start of fabrication and offered in three stages of inspection)

SUB-HEAD-II (Cable & Misc Work) Supplying of PVC insulated and PVC sheathed /XLPE Aluminium conductor armoured cable of 1.1KV grade of following sizes etc. complete as reqd. a) 3.5 x 240 sq. mm

Supplying and installing following size of perforated painted with powder coating M.S. cable trays with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with M.S. suspenders including bolts & nuts, painting suspenders etc as required. a) 375 mm width X 50 mm depth X 2.0 mm thickness