New Delhi Municipal Council-NDMC has published Repairing Of Tfa Near Gate No. 2 And Variable Frequency Drive Installed At Palika Bazar Under Bm-I ( E ) Division.. Submission Date for this Tender is 22-03-2022. Industrial Drive Tenders in New Delhi Delhi. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Supplying, Installation, testing and commissioning of factory built cooling coil section with aluminium finned copper tubes with MS header, dia of tube 1/2". Al. fin 10-12 per inch and thickness of tube should not be less then 0.41mm and casing of coil should be GI i/c dismantling of old coil removing of panel welding of flanges of new coil complete as per specification and capacity. CHW Cooling Coil, Fl-1850X FH – 1500 mm x 4RD |
| 2 | Replacement of worn out synthetic pre-air filter 50 mm Thickness i/c dismantling of existing filter with following specifications for various AHU’s. (a) Media – Synthetic washable. (b) Sealing – Epoxy (c) Air flow – 2000 CFM / 4 sq.ft. (d) Mesh – HDPE mesh (e) Efficiency – 65 to 85 % (f) Support for media – mesh (g) Frame – Aluminum |
| 3 | Repairing of Variable Frequency DriveNo. 3of 45KW which includes its PCB , rectifier, IGBT complete to make the VFD operational including Servicing the same which 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 the below: 380-480V A + 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 50-60 Hz + 2%. The VFD shall be capable of variable frequency range of 45 KW (400V /60HP (460V , variable voltage output in the range 0-50Hz and 0-45Hz Supply Voltage. VFD’s after repairing VFDshould include protection features to ensure that the motor may not operate in an overloaded condition which may cause damage to the connected motor. It 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. Make: (Danfoss) |
| 4 | SITC of filter frame section made of aluminium section of size 2.2x1.6 mtr for TFA complete as per site requirement. |
| 5 | Supplying, fixing, testing and commissioning of 100mmY - STRAINERfor TFA of Ductile CI Body flanged ends with stainless steel strainer in the chilled water pipelineduly insulated to the same specifications as the connected piping and adequately supported as per specifications |
| 6 | SITC of 19mm nitrile rubber insulation along with aluminium cladding on 100mm chilled water pipeline of 4 meter including removing of existing nitrile rubber insulation and cladding and disposing the same from site complete as per site requirement and satisfaction of engineer in-charge. |
| 7 | SITC of drain pan in TFA made of stainless steel 304 grades fixing the same as per the existing size complete as per site requirement including buy back of the existing one. |
| 8 | Credit for old cooling coil,ystrainer,pre filter and othger scraps |
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