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| 1 | P & F of Fire retardent flexible canvass connection made of fibreglass weave having silver grey silicon rubber coating, of height 200 mm with sufficient fold to avoid transmission of vibration with GI frame ,Gasket Nut Bolts for air cooling Plants/AHU/FCU etc as required. All as per pre approved by Engineer in charge. For additional technical parameters of products/ work , refer Annexure \\"A\\" attached with this BSR . |
| 2 | Supplying, installing of external thermal closed cell cross linked polyethelene (XLPE) foam insulation made out from non-fibrous, fire retardant (FR), closed cell, tri-dimensional chemically crosslinked polyethylene foam. should be certified 'Class O' in Fire Propagation and 'Class 1' in Surface Spread of Flame as per BS 476 Part 6 & Part 7 respectively in the form of sheet on ducts including cost of adhesive, tape complete as required. All as per pre approved by Engineer in charge. For additional technical parameters of products/ work , refer Annexure \\"A\\" attached with this BSR . |
| 3 | 13mm thick |
| 4 | Dismantling of existing air-cooler ducting including all fittings such as bends, joints, flanges, dampers (if any), clamps, hangers, supports, nuts and bolts, complete; carefully lowering the ducting; stacking the serviceable materials as directed by the Engineer-in-Charge and disposing of the unserviceable materials within the campus / specified lead, complete in all respects. |
| 5 | Servicing of Air Cooler of capacity 10,000 CFM, including complete cleaning, checking, lubrication, minor repairs, replacement of consumables, trial run etc., complete in all respects as directed by the Engineer-in-Charge. |
| 6 | Supplying, installation, balancing and commissioningof factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubbergaskets, elbows, splitter dampers, vanes, hangers,supports, bends, transitions, reducers, end caps,collars etc as required complete in all respect in confirmation to IS : 655 and approved drawings and specifications of following sheet thickness complete as required. |
| 7 | Thickness 0.80 mm sheet |
| 8 | Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspectionof work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineer-in-charge. The elevational area of the scaffolding shall be measured for payment purpose. The payment shall be made once irrespective of duration of scaffolding.Note: - This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done. Please Enable Macros to View BoQ information |
