Bharat Sanchar Nigam Limited-BSNL has published Tender For Supplying And Fixing Of 200A 4Pole Change Over Switch At Tebts Bhuasuni And Supply, Installation, Testing And Commissioning Of Free Cooling Units (Exhaust Fans With Filters At Bts Mauda And Sendhatira Under Balasore Ba.. Submission Date for this Tender is 20-04-2024. Switch Supply Tenders in Baleshwar Odisha. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 15-Apr-2024 | Extension of dates | Date | 20-04-2024 |
| Sl. No. | Item Description |
| 1 | S/F 200 amp FP onload type change over switch in sheet steel enclosure suitable for operation on 415 V, 50 HZ AC supply etc. as reqd. (M/s Havells make) |
| 2 | Supplying and fixing following 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. (Make: Legrand/Siemens/ L & T) |
| 3 | 6-32Amps Single pole |
| 4 | 63Amps4Pole isolator |
| 5 | 1.5 mmsq 3 core copper cablecord |
| 6 | Supplying & fixing of following materials as reqd |
| 7 | 1400 mm sweep high speed ceiling fan(M/s Cromptron/Usha or SS make) |
| 8 | 400mm sweep wall mounting Fan (M/s Almonard or SS Make) |
| 9 | Polycarbonate Angle Holder |
| 10 | 20W LED Batten fifftng(m/s Bajaj/surya) |
| 11 | S/F of Gate light wire mesh made of 6swg GI wire with 20x3 ms flat i/c febricating,welding,Painting with 2coats of Aluminium paint with locking arrangemetetc as reqd |
| 12 | Supply of exhaust fans by a new complete set forreplacement of faulty/burnt outof380mm /15" heavy duty1400 RPM Exhaust Fans having maximum free air delivering capacity not less than 3250m3/ hour(1910 CFM) and maximum sound level not more than 60-65 db. with a capacitor start and run type, continuously rated, totally enclosed and ruggedly built motor having pre-lubricated double ball bearingwith Class "A" and "E" insulation suitable for operation on 230 volts single phase 50 HZ AC supply with features forsmooth &silent operation todeliver the maximum output at lower operating cost. The impeller of the Exhaust Fan isto bepropeller type andboth hub and impeller are to be dynamically balances and frames and arms mounted on rubber bushing so that, vibration are virtually eliminated. (Make- Almonard HD (ISI) / Crompton Greavesor similar superior) (Excluding installation) |
| 13 | 380mm /15" heavy duty1400 RPM, maximum free air deliverying capacity not less than 3250m3/ hour(1910 CFM) and maximum sound level not more than 60-65 db. |
| 14 | Installation of exhaust fan up to 450mm sweep in the existing opening with fastener/ GI nuts and bolts, including making good the damage, connection, testing, commissioning etc. as required |
| 15 | Making opening on brick wall of suitable size for fixing of 380mm sweep Exhaust Fans including making good the damages, minor civil works etc. complete as required. (For room BTS sites) |
| 16 | Supplying and installation ofgravity type Aluminum/ GIlouver shutters suitable for 380mm sweep exhaust fans with fastener /GI nuts and bolts etc. complete as required. |
| 17 | Supply and fixing of thermo-sequential Exhaust fan controller suitable for operation with 230 volts ACsupplyfor controlling the operation of single/double exhaust fans by sensing the room temperatures with the following logics, consisting ofauto/manual switch for by passing the controller in case of faults in the controller itself, 6A, 230 volt relay contacts for switching on and off the exhaust fans, connecting terminals and LED indicators for indicating the ON/OFF status of the Exhaust fans, for Low Temperature (LT), Medium Temperature (MT) and High Temperature (HT) of the room, sensing probe with connecting wire etc.enclosed in a compact powder coated MS boxcomplete as required. (Logics for operation of Exhaust Fans: (1). At room Temperature <26o C - All Exhaust Fansare to be switched OFF with LED indicator"LT".(2). When theroom temperature is in between 26o C to 35o C:- Only one Exhaust fan will be worked at a timeand is to be altered after 1 hour of continuous operation with LED indication "MT" and (3).When room temperatureincreases beyond 35o C:- Both Exhaust fans willbe worked simultaneously with 10 minutes restfor each one alternativelyafter continous running of one hour. (Note: Where only one Exhaust fan is available,the same is to be operated continuously when room temperature is > 26o C with 10 minutes rest forevery one hour ofcontinous operation.) |
| 18 | Supplyof450mm X450mmX50mm size panel typeInlet Air Filter havingwashableSynthetic Fiberfilteration medium, GI/Aluminiumframewithaluminium /spray iron protect mesh capablefor air filteration 35 microns (maximum size ) and maximum air handling capacity of 2000 CFM,including fixing the same in existing GI /MS frame structure etc. complete as required. |
| 19 | Supply ofinlet Airfilter housing cum louverunit offollowing overal size ,made of 18 SWG GI sheetwith collars of about 50mm width in all front sides , suitable size drill holes for fixing the same on wall, detachable 18 SWG thick, 10mm width GIsupporting strip of length 560 mm with drill holes at both ends in front facia for holding the air filter in position,louver blades of 100mm width of required quantitiesshall be welded horizintally at back side ofthe filter housing frame with half of the portions remain outside the frame at an angle of about 30 deg downwards to prevent entering of rain water into the room/shelter , aGI /stainless steel protective wiremesh type (25mmX25mm - 2.64mmX2.64mm ) ( Wire diameter 14 SWG-2.64mm, distance from centre to centre of wire - 25mm for both main and cross) i/c 19x3mm MS flat protection grillto be welded inside the GI sheet housing frame, painting the welded spots by aluminium oxide paint etc. as per the direction of Engineer in charge,including fixing the same in existing opening with Fastener /GI nuts and bolts etc. complete as required. |
| 20 | Overal Size 460mm (Width) X 450 mm (Height) X 300 mm (Depth) - For Room BTS sites |
| 21 | Makingof air inlet opening on brick wall of approximate size 450mmX460mm, suitable for fixing the filter housing cum louver unit including making good the damages, minor civil works etc. as required. |
| 22 | S/F of opening Guards made out of 25mm x 5mm M.S Flat of suitable size i/c cutting ,welding, painting & groutingthe same on wall etc as complete as reqd. a) Exhaust Fan round in shape |
| 23 | b) Air Filter square in shape |
| 24 | Charges for conveyance of staff and T & P, coordination with BTS/Exchange in charge/Care taker for site inspection and successful execution of works etc. complete as required. |
| 25 | Distance from BA HQ up to 50KM |
| 26 | Distance from BA HQ above 50KM and upto 100KM |
| 27 | Liaisoningwith the Electricity DISCOMs for taking shutdown of LT/MV lines for shifting of cable/Energy Meter to new location as reqd |
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