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| 1 | Miscellaneous thermal insulation works |
| 2 | Taking out old worn out damaged insulation materials of any thickness including wool mattress, performed sections or any other insulating materials including sheet cladding etc. complete and transporting theserviceable materials to owner\"s storage point and damaged materials within 2.00 km lead inside Refinery .The job includes cleaning the site, transporting the materials to directed place, complete with alllabour and materials, etc. as per specification and direction of Engineer-In-Charge. |
| 3 | Taking out old worn out damaged cladding of any thickness ( plainor corrugated. GI or Aluminium) and transporting the serviceable materials to owner\"s storage point anddamaged materials to the directed place within refinery premises. The job includes, cleaning the site, transporting the materials to directed place, complete with all labor and materials etc. as per direction of Engineer-In-Charge. (Payment shall be made on the previously finished surface). |
| 4 | \"Fixing single/multiple layer of machine stitched preformed LRB mineral wool mattresses of density 150 kg/cum conforming to IS:8183 in required thickness over the technological equipments like columns, vessels, ducts, horton spheres, storage tanks etc.,including cleaning of the surface with wire brush, fixing the insulation mattresses in position and securing the same properly,etc. all complete with tools, tackles, materials such as self tapping screws, lacing, binding, stitching wire, labour etc. complete in accordance with the specifications laid down in the contract and in the latest IS standards as per the directions of Engineer-in-Charge. LRB will be supplied by CPCL free of cost.\" |
| 5 | Fixing cladding with old aluminium/GI plain/corrugated sheets. The job includes cutting, bending & grooving to proper shape and size and fixing with self-tapping screws, providing water proofing tar felt between the sheet overlap/joint securing with metallic bands wherever required at any height with all labour, materials (except cladding sheets which will be supplied by owner),etc. complete as per direction of Engineer-in-Charge. (Payment shall be made on the area of the finished surface). |
| 6 | Providing and fixing double scaffolding system on the exterior side, up to seven story height made with 40mm dia M.S. tube 1.5m 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 asapproved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc. wherever required for inspection of 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 will be made once irrespective of duration of scaffolding. |
| 7 | Supply and Welding of insulation Anchors /lugs/bolts etc(SS 304). The scope involves removal of old anchors/lugs/bolts and welding new ones as per requirement and instructions of EIC. |
| 8 | Supply and Welding of insulation Anchors / bolts etc (Carbon Steel). The scope involves removal of old anchors/lugs/bolts and welding new ones as per requirement and instructions of EIC. |
| 9 | \"Providing and fixing single/multiple layer of machine stitched preformed LRB mineral wool mattresses of density 150 kg/cum conforming to IS:8183 Group 4 in required thickness over the technological equipments like columns, vessels, ducts, horton spheres, storage tanks etc.,including cleaning of the surface with wire brush, fixing the insulation mattresses in position and securing the same properly, excluding scaffolding etc. all complete with tools, tackles, materials such as self tapping screws, lacing, binding, stitching wire, labour etc. complete in accordance with the specifications laid down in the contract and in the latest IS standards as per the directions of Engineer-in-Charge. While using more than one layer, the most economical combination shall be paid.\" |
| 10 | LRB thickness 25mm |
| 11 | LRB thickness 40mm |
| 12 | LRB thickness 50mm |
| 13 | LRB thickness 60mm |
| 14 | LRB thickness 75mm |
| 15 | Providing and Fixing cladding with new Aluminum plan /corrugated sheets of the following gauges. The job includes cutting, bending and grooving to proper shape and size and fixing with self-tapping screws, providing water proofing tar felt between the sheet overlap/joint, securing with metallic bands wherever required at any height with all labour , all materials including cladding sheets, etc. complete as per specification and direction of Engineer-In-Charge. ( Payment shall be made on the area of the finished surface). |
| 16 | Plain aluminum sheet - 24 SWG |
| 17 | Plain aluminum sheet - 22 SWG |
| 18 | Corrugated Al. sheet - 24 SWG |
| 19 | Corrugated Al. sheet - 22 SWG |
| 20 | Additional cost for coating of Cladding sheet on the side in contact with the insulation with Bitumen Paint |
| 21 | Supply & Installation of 0.19 mm pot sheet Aluminium foil for steam tracing pipe lines. |
| 22 | Supply & Installation of SS foil of 0.1 mm thick for SS line vapour barrier. |
| 23 | Supply & fixing of vapor barrier between LRB mattresses andcladding sheet: Application ofopen weave glass cloth and then 3mm \"Shalicoat\" of M/S STP Ltd / Insulcoat of M/s Lloyd Insulation., or equivalent |
| 24 | Providing and laying plastering two layers upto 20mm thick with 1:4 (1-Cement and 4-Medium sand) at any height including finishing curing etc., over cold or hot insulation surfaces. Supply of Cement is in Contractor\"s scope. |
| 25 | \"Providing all necessary materials and carrying out cold insulation works as per the following specifications on equipments like columns, vessels, exchangers, ducts etc., at any height including the cost of all materials, tools and tackles, labour, etc. complete as per direction of Engineer-in-Charge. 1) A coat of approved bituminous paint (IS:158/69) shall be applied on the metal surface after through cleaning. 2) A coat of hot bitumen of 85/25 grade conforming to IS:702 to be applied on the painted surface for fixing Polyurethane foam (PUF) blocks and preformed pipe section of density 36 kg/cum without gaps in between the required size and shape, tightening them by tying each layer with 16 SWG wire at the rate of 500mm centre to centre. 3) A coat of hot bitumen of 85/25 grade conforming to IS:702 to be applied on each layer, surface and joint of blocks and sections. 4) Encircle the last layer of insulationby application ofopen weave glass cloth and then 3mm \"Shalicoat\" of M/S STP Ltd / Insulcoat of M/s Lloyd Insulation., or equivalent\" |
| 26 | PUF for 25 mm thickness |
| 27 | PUF for 40 mm thickness |
| 28 | PUF for 50 mm thickness |
| 29 | PUF for 60 mm thickness |
| 30 | PUF for 75 mm thickness |
| 31 | PUF for 100 mm thickness |
| 32 | PUF for 125 mm thickness |
| 33 | PUF for 150 mm thickness |
| 34 | PUF for 175 mm thickness |
| 35 | Installation of cold insulation as per the above specification with available materials supplied by CPCL at free of cost |
