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| Tender ID | 4065701 |
|---|---|
| Organisation Name | Numaligarh Refinery Limited |
| Tender Brief | Corrigendum : Annual Maintenance Contract For Insulation Jobs At Refinery And Nrmt |
| Last Date For Submission | 12th May, 2026 |
| Opening Date | 13 May, 2026 |
| Document Cost | 0.00 |
|---|---|
| EMD | 907000.00 |
| Estimated Cost | 0.00 |
| City | Numaligarh |
|---|---|
| State | Assam |
| # | Item | Qty | Units |
|---|---|---|---|
| 1 | Thickness of Insulation: Less than 75 mm: Removal of existing damaged worn out insulation, thoroughly cleaning the surface with wire brush or any other method as approved by the Engineer Incharge followed by providing & fixing single/multiple layer of machine stitched preformed LRB mineral wool mattresses of density 140 to 150kg/m3 conforming to IS:8183 in required thickness over pipings, equipments etc., including fixing the insulation mattresses in position and securing the same properly with all necessary tools, tackles, materials such as binding, stitching wire, labour etc. The complete work shall be in accordance with the specifications laid down in the contract and in the latest IS standards as per the directions of Engineer-in-Charge. Note: 1) Contractor has to make his own arrangement for procurement and storage of all the materials. 2) This item includes disposal of the debris to the directed place within the unit in concern as per the direction of Engineer-in-Charge. | 4100.00 | M2 |
| 2 | Thickness of Insulation: Less than 75 mm: Removal of existing damaged worn out insulation, thoroughly cleaning the surface with wire brush or any other method as approved by the Engineer Incharge followed by fixing single/multiple layer of machine stitched preformed LRB mineral wool mattresses of density 140 to 150kg/m3 conforming to IS:8183 in required thickness over pipings, equipments etc., including fixing the insulation mattresses in position and securing the same properly with all necessary tools, tackles, materials such as binding, stitching wire, labour etc. The complete work shall be in accordance with the specifications laid down in the contract and in the latest IS standards as per the directions of Engineer-in-Charge. Note: 1) NRL will issue LRB mineral wool mattresses on free issue basis. However, contractor has to make their own arrangement for storage of all the materials.2) Other anciliary items/tools tackles/manpower etc. has to be supplied by the contractor. 3) item includes disposal of the debris to the directed place within the unit in concern as per the direction of Engineer-in-Charge. | 1250.00 | M2 |
| 3 | Thickness of Insulation: From 75 mm upto to 124mm: Removal of existing damaged worn out insulation, thoroughly cleaning the surface with wire brush or any other method as approved by the Engineer Incharge followed by providing & fixing single/multiple layer of machine stitched preformed LRB mineral wool mattresses of density 140 to 150kg/m3 conforming to IS:8183 in required thickness over pipings, equipments etc., including fixing the insulation mattresses in position and securing the same properly with all necessary tools, tackles, materials such as binding, stitching wire, labour etc. The complete work shall be in accordance with the specifications laid down in the contract and in the latest IS standards as per the directions of Engineer-in-Charge. Note: 1) Contractor has to make his own arrangement for procurement and storage of all the materials. 2) This item includes disposal of the debris to the directed place within the unit in concern as per the direction of Engineer-in-Charge. | 9250.00 | M2 |
| 4 | Thickness of Insulation: From 75 mm upto to 124mm: Removal of existing damaged worn out insulation, thoroughly cleaning the surface with wire brush or any other method as approved by the Engineer Incharge followed by fixing single/multiple layer of machine stitched preformed LRB mineral wool mattresses of density 140 to 150kg/m3 conforming to IS:8183 in required thickness over pipings, equipments etc., including fixing the insulation mattresses in position and securing the same properly with all necessary tools, tackles, materials such as binding, stitching wire, labour etc. The complete work shall be in accordance with the specifications laid down in the contract and in the latest IS standards as per the directions of Engineer-in-Charge. Note: 1) NRL will issue LRB mineral wool mattresses on free issue basis. However, contractor has to make their own arrangement for storage of all the materials.2) Other anciliary items/tools tackles/manpower etc. has to be supplied by the contractor. 3) item includes disposal of the debris to the directed place within the unit in concern as per the direction of Engineer-in-Charge. | 1750.00 | M2 |
| 5 | Thickness of Insulation: 125 mm and above: Removal of existing damaged worn out insulation, thoroughly cleaning the surface with wire brush or any other method as approved by the Engineer Incharge followed by providing & fixing single/multiple layer of machine stitched preformed LRB mineral wool mattresses of density 140 to 150kg/m3 conforming to IS:8183 in required thickness over pipings, equipments etc., including fixing the insulation mattresses in position and securing the same properly with all necessary tools, tackles, materials such as binding, stitching wire, labour etc. The complete work shall be in accordance with the specifications laid down in the contract and in the latest IS standards as per the directions of Engineer-in-Charge. Note: 1) Contractor has to make his own arrangement for procurement and storage of all the materials. 2) This item includes disposal of the debris to the directed place within the unit in concern as per the direction of Engineer-in-Charge. | 2650.00 | M2 |
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