Public Works Department-PWD has published Repair Maintenance Of Electrical And Mechanical Work At Gpo Building, Vikas Bhawan-Ii, Delhi. (Sh- Supply Installation Testing Commissioning Of Pressurization System To Maintain Positive Pressure In Lift During Fire).. Submission Date for this Tender is 13-06-2023. Passenger Lift Tenders in vikas Delhi. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Supply, Installation, Testing and commissioning of factory built floor mounted double skin type horizontal/vertical lift pressurization system units made of 25mm thick panels consisting of pre plasticized G.I. casing of thickness 0.6mm outside layer and 0.6 mm inside layer with polyurethane foam (PUF) insulation factory injected between them by injection molding machine, complete with SISW centrifugal blower section with blower suitable for static pressure as required, motor will be directly connected with fan without motor and pulley arrangement. motor with TEFC drive motor of efficiency class IE2 suitable for 415 ± 10% volts suitable for VFD operation, 50Hz, 3 Phase AC supply suitably designed for variable frequency drive applications. motor of pressurization system should be outside the air stream. All the bearing of motor and fan should be outside the air stream. wherever required, necessary vibration isolation arrangement etc. complete as per specification and of following complete etc.as required at site. Suitable for (G+7) building, as required. i) Air Quantity- 6000 CFM at 40 mm static pressure |
| 2 | Supply, installation, balancing and commissioning of site fabricated GSS sheet metal rectangular / round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as per specifications, requirement, standard and drawings. i) 22 gauge (0.8 mm) |
| 3 | Supplying & fixing/laying of following sizes of 1.1 KV grid multicore copper conductor XLPE insulated and fire retardant PVC sheathed armoured cable as per IS 7098 (part-1)1988 on surface of wall/ceiling/on existing cable tray complete as required. i) 4C x 10 Sqmm- Copper Armoured |
| 4 | Supplying & laying of 2x1.5 sqmm fire alarm armoured cable, 600/1000V rated with annealed copper conductor having XLPE insulation, steel wire armoring & FRLS outer sheath complete as required. |
| 5 | Supplying, installation, testing & commissioning of addressable fire control module complete as required. |
| 6 | Fabrication, Supplying and installation of outdoor type cubical feeder pillar of suitable size upto 350 mm deep made out of CRCA sheet steel of 2 mm thick duly compartmentalized having Al. busbar of minimum 300amp capacity double door with locking arrangement for protection from rain, dust, duly fixed on M.S. angle iron frame work of size 50 mm X 50 mm X 6 mm (NS) 50 cm long legs grouted in cement concrete mounted inside the cubical panel i/c connection, inter connection with aluminum thimbles, earth studs duly painted with one coat of red oxide & two coats of superior quality enamel paint complete etc. as required i/c supplying and fixing following accessories as per item i/c control wiring etc. as required.. |
| 7 | Supplying & fixing following switchgears & accessories in the existing cubical panel i/c spreaders connection etc. complete as reqd. i) 63 A 4P MCB "C Curve" |
| 8 | 32 A 10KA FP MCB "C Curve" |
| 9 | 32 A 10KA TP MCB "C Curve" |
| 10 | 96mm x 96mm 0-500 volt digital 3-ph. Voltmeter with built in selctor switch |
| 11 | 96mm x 96mm suitable range digital 3-ph.Ammeter with built in selector switch |
| 12 | LED type indicating light set for main incoming R-Y-B |
| 13 | DOL Starter suitable for upto 7.5kw motor |
| 14 | Making the opening of size 500x500 in Brick Masonry wall by cutting masonry and making good the damages of wall, flooring and jambs complete to match the existing surface i/c disposal of malba/ rubbish to the nearest dumping ground. repairing edges of opening and filling the gap between duct and wall with corus sand and cement mixture and plastring the same to match the existing wall complete etc as reqd at site. |
| 15 | Supply, Installation, Testing and Commissioning of wall/ surface mounted VFD shall be capable of operating on the AC Supply Voltages applicable to the end site, with suitable tolerance for variations in the incoming mains power supply. The applicable supply voltage range must meet one of the below :-380 – 480 VAC ± 10%. VFD’s must be capable of continuous operation with the connected load with up to 3% voltage imbalance between the incoming phases. VFD’s shall be capable of operating with a mains supply frequency range of 50 – 60Hz ± 2%. The VFD shall be capable of variable frequency, variable voltage output in the range 0 – 500Hz and 0 – Supply Voltage. VFD’s must be available with a minimum IP-21 rating. VFD’s should include protection features to ensure that the motor may not operate in an overloaded condition which may cause damage to the connected motor. VFD’s shall be capable of controlling the motor with a constant or variable torque output characteristic in order to operate the desired load. Selection between constant and variable torque operation should be easily selectable by parameters within the VFD complete etc as reqd at site.i) 3.0 Kw |
| 16 | comprehensive Maintenance of complete pressurization system, after completion of warranty period of 1 year i/c replacement of all defective / damaged / burnout accessories related to lift pressurization system and VFD etc complete as required. i) 2nd year (after completion of 1 year warranty period for date of completion of work) |
| 17 | 3rd year |
| 18 | 4th year |
| 19 | 5th year |
| 20 | 6th year |
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