Bharat Sanchar Nigam Limited-BSNL has published Tender For Providing Electro Mechanical Installations And Air-Conditioning Facility For Standardization And Beautification Of Customer Service Centre At Burrabazar Telephone Exchange Building, Kolkata ( Sh Ei Afd Works ). Submission Date for this Tender is 23-03-2024. Electromechanical Machinery Tenders in Kolkata West Bengal. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Sub-Head : WIRING Wiring for light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable in surface / recessed steel conduit, with modular switch, modular plate, suitable GI box and earthing the point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable etc. as required. (Group-C) |
| 2 | Wiring for light/ power plug with 2X4 sq. mm FRLS PVC insulatedcopper conductor single core cable in surface/ recessed steel conduit alongwith 1 No. 4 sq. mm FRLS PVC insulated copper conductor single core cable for loop earthing as required. |
| 3 | Wiring for light/ power plug with 4X4 sq. mm FRLS PVC insulatedcopper conductor single core cable in surface/ recessed steel conduit alongwith 2 Nos. 4 sq. mm FRLS PVC insulated copper conductor single core cable for loop earthing as required |
| 4 | Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface/ recessed steel conduit as required. 2 X 1.5 sq. mm +1X 1.5 sq. mm earth wire |
| 5 | 2 X 2.5 sq. mm +1X 2.5 sq. mm earth wire |
| 6 | 2 X 4 sq. mm +1X 4 sq. mm earth wire |
| 7 | Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface/ recessed steel/ PVC conduit as required. 2 x 1.5 sq. Mm |
| 8 | 3 x 1.5 sq. mm |
| 9 | Supplying and fixing following modular switch/ socket on the existing modular plate & switch box including connections but excluding modular plate etc. as required. 5/6 A switch |
| 10 | b) 15/16 A switch |
| 11 | c) 3 pin 5/6 A socket outlet |
| 12 | d) 6 pin 15/16 A socket outlet |
| 13 | Supplying & fixing modular blanking plate on existing modular plate & switch box excluding modular plate as required. 3 Module (100mmX75mm) |
| 14 | Supplying & fixing modular blanking plate on existing modular plate & switch box excluding modular plate as required. 3 Module (100mmX75mm) |
| 15 | d) 6 Module (200mmX75mm) |
| 16 | e) 8 Module (125mmX125mm) |
| 17 | f) 12 Module (200mmX150mm) |
| 18 | Supplying & fixing suitable size Gl box wih modular plate and cover in front on surface or in recess including providing and fixing 25 A modular socket outlet and 25 A modular SP MCB, "C" curve including connections, painting etc. as required. |
| 19 | SUB HEAD (Fans and Fittings) SITC of 36 W fully diffused recessed mounted 2 ft x 2 ft LED luminaire, PDC housing with high transmitive diffuser suitable for indoor spaces i/c connections, fixing, matching with existing false ceiling structure, testing, commissioning, etc. complete as required.[M/s, Philips make, Model - RC 360B LED 30S] |
| 20 | SITC of 18 W round type recessed mounted LED luminaire PDC housing suitable for indoor spaces i/c connections, fixing, matching with existing false ceiling structure, testing, commissioning, etc. complete as required.[M/s, Philips make, Model - Green LED Ultima Round] |
| 21 | Supplying and fixing 300mm sweep/ 900 rpm heavy duty turbo force exhaust fan complete with metalic blades and louver fabricated out of GI sheet suitable for operation on 230 V single phase AC supply in the existing opening i/c making the opening suitable for said size fan and making interconnection etc as required. (Havells/Bajaj/Usha/Crompton greaves) |
| 22 | Dismantling of existing wiring, switch board,fan,fittings,AC units & DB from the proposed upgrated CSC room and dismantling material to kept at suitable location as instruction of the building authority complete as required. |
| 23 | Sub-Head : MCB & DB"S Supplying and fixing of following ways surface/ recess mounting, vertical type, 415 V, TPN MCB distribution board of sheet steel, dust protected, duly powder painted, inclusive of 200 A tinned copper bus bar, common neutral link, earth bar, din bar for mounting MCBs (but without MCBs and incomer) as required . (Note : Vertical type MCB TPDB is normally used where 3 phase outlets are required.) a) 4 way (4 +12), Double door |
| 24 | Supplying and fixing 5 A to 32 A rating, 240/415 V, 10 kA, "C" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required. a) Single pole |
| 25 | Supplying and fixing single pole blanking plate in the existing MCB DB complete etc. as required. |
| 26 | Supplying and fixing following rating, four pole, 415 V, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required. 100 A |
| 27 | Supplying and fixing Cable End Box (Loose Wire Box) suitable for triple pole and neutral, sheet steel, Vertical MCB distribution board, 415 Volts, on surface/ recess, complete with testing and commissioning etc. as required. |
| 28 | Supplying and fixing 20/25 A ac starter with 20A SP "C" mini MCB in moduler box, providing /fixing inner plate, outer plate with GI box on wall,surface / recess i/c connection complete as required. |
| 29 | Supplying,Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on wall surface as required. 3½ X 35 sq. Mm |
| 30 | Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. a) 3½ X 35 sq. mm |
| 31 | EARTHING Earthing with G.l. earth pipe 4.5 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/coke and salt as required. |
| 32 | Supplying and laying 25 mm X 5 mm G.l strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with G.l. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.l. nut bolt & spring washer spaced at 50mm) |
| 33 | Providing and fixing 25 mm X 5 mm G.l. strip in 40 mm dia G.l. pipe from earth electrode including connection with G.l. nut, bolt, spring, washer excavation and re-filling etc. as required. |
| 34 | Providing and fixing 25 mm X 5 mm G.l. strip on surface or in recess for connections etc. as required. |
| 35 | Providing and fixing 6 SWG dia G.l. wire on surface or in recess for loop earthing as required. |
| 36 | Providing and fixing 6 SWG dia G.l. wire on surface or in recess for loop earthing along with existing surface/ recessed conduit/ submain wiring/cable as required. |
| 37 | Providing and fixing earth bus of 50 mm X 5 mm GI strip 30 cm long fixing on 02 nos heavy duty porcelain support, making sufficient holes for connections etc. as required. |
| 38 | CABLE TRAYS 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. 100 mm width X 50 mm depth X 1.6 mm thickness |
| 39 | 150 mm width X 50 mm depth X 1.6 mm thickness |
| 40 | Sub-Head : Providing Fire alarm system Providing and fixing of 2 Zone Microprocessor based fire alarm local control panel fabricated from MS sheet having knock outs, confirms to IS:2189-1988 comprising of a power supply module with battery charging circuit,indicator module to display to power supply status, one control module & zone modules incorporating self test facility for individual zones, a common fire flushing annunciation, three distinct tones through built-in-speaker,external hooters/sounder outputs, potential free fire relay contacts, unambiguous fire/fault indicators with test lamp facility & silence to acknowledge the fire alarm suitable for wall/floor mounting with following accessories etc complete as required. (Make : BSNL Approved Make) |
| 41 | SITC of Photoelectric / Optical smoke detector complete with testing , checking commissioning etc complete as required. (Make : M/s Apollo or similer superior make) |
| 42 | SITC of 12V, 7.5 AH Sealed maintenance free battery for the above AFD & FA panel. (Make : Exide or Similer superior approved make) |
| 43 | PITC of Electronic Hooter cum Speaker with range of 23 to 30 watt out put etc complete as required. (Make : BSNL Approved Make) |
| 44 | PITCof mannual call point suitable for operation on 24 Volts DC supply i/c connection testing and commission etc. complete as required. (Make : BSNL Approved Make). |
| 45 | Supplying and laying of 2 core x 1.5 sqmm armoured FRLS copper cable on surface/recess suitable for operation on 240V, 50Hz AC supplying including interconnections, testing etc., as reqd. |
| 46 | Supplying & Fixing of following typeFire Extinguisher i/c all accessories etc. complete as required. a) 4.5 Kg Co2 type Fire Extinguisher. |
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