Northern Coalfields Limited-NCL has published Overhauling And Reconditioning Of 03 Nos. Ventilation Supply System (Vs-1, Vs-2 And Vs-3) And 2 Nos. Ventilation Exhaust System (Ve-1 And Ve-2) Installed At Crusher House, Section-I Chp Jayant Project Overhauling And Reconditioning Of 03 Nos. Ventilation . Submission Date for this Tender is 17-09-2021. Ventilation Dampers Tenders in NCL Jayant Project CHP Madhya Pradesh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 13-Sep-2021 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 17-09-2021 |
| Sl. No. | Item Description |
| 1 | Repairing of supporting and structural work of filter rooms (02 nos.) |
| 2 | Dismantling, cleaning, Inspection and replacement of damaged filters and Re-installation of total 270 nos of air filter in Filter Mounting Frame. New filters will be provided by department. |
| 3 | (a) Dismantling, Cleaning, Inspection of all existing ducts, Replacement of existing damaged ducts, Modification and Re-installation/Erection of all air supply ducts including air supply grills, duct supports etc and shifting of all dismantled material/equipment to any nearest scrap site whose distance is not more than 1 kilometer.(b) Dismantling of all six nos. existing fan flexible connection and installation of new inlet and outlet flexible connection.(c) Overhauling, alingment , checking & rectification of Dynamic Balancing (if required) of Centrifugal Fan including replacement of damaged bearing unit and V-belts etc.(d) All type of required civil work for installation of air ducts and fan. (e) Cleaning of all existing ducts inside and outside of ventillation supply and exhaust system.(f) Testing,commissioning, rectification and handover of all system. |
| 4 | Removal of existing L.T. Power and Control cable and Laying of new L.T. Power and Control cables (Approx length= 200 Mtrs). alongwith installation of automatic star delta starter all complete. Cable shall be provided by department. |
| 5 | Supply of Air outlet flexible connection for Ventilation Air Supply Fan & Air Exhaust Fan (High Strength Flexible Connector with interior flow linear and Counter Flange) |
| 6 | Provision of Bearings (22222CK) for Centrifugal Fans |
| 7 | Provision of Sleeeve (H-322) for Centrifugal Fans |
| 8 | Provision of GI duct for air Ventilation Supply System (VS-1,VS-2 & VS-3) and air Exhaust System (as per IS:655 made form Galvanized Steel Sheet thickness – 20 SWG (Minimum), Shape – Rectangular, Class 3 of IS:277, Complete with suitable angle stiffener, Duct Support and Angle flanged joint, Air Supply Grills with inbuilt volume Control Damper, Gasket, Rivets and Fasteners. Suitable for Air Qty – 100000CMH (each) (Approx. 65 mtrs for Ventilation Supply Systems and 55 Mtrs. for Ventilation Exhaust System) |
| 9 | Automated Star Delta Starter complete with Citation Contactors with Pneumatic Timers etc. and all complete suitable for 100hp/ 75KW, 3-phase, 440 V, A.C. Sq. Cage Induction Motor for VS-1 |
| 10 | Total impact of GST for the purpose of CTC |
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