REPAIR AND MAINTENANCE OF STRUCTURAL STEEL FOR CONE OR FIXED ROOF MOLASSES STORAGE TANK

REPAIR & MAINTENANCE OF STRUCTURAL STEEL FOR CONE OR FIXED ROOF MOLASSES STORAGE TANK (2 NOS.) & BIO-DIGESTOR ROOFS AS PER BELOW DETALS:

DISMANTLING OF CORRODED PORTION OF TANK: - The broad job includes dismantling of complete or partial corroded roof/ structural/ shell/ course/ truss, etc. Job also includes retrieving all the existing structural/ shell/ course/ truss, fittings, instrumentations, side rails, etc. by gas cutting/ cold cuttings directed by Inspection/ site engineer and shifting of dismantled roof plates, structural etc. to ground (only scrap to be transported & usual material to be kept for fabrication & erection with painting) to transport and kept properly the same in scrap yard after taking/ recording weight. During the entire job all safety norms to be followed in any case. Detail Scope of jobs are as per Technical Bid/Unpriced bid of the Tender.

FABRICATION & ERECTION: - Fabrication Scope: The broad scope for fabrication includes design of tanks for dismantled portion as per API 650/IS-803, preparation of all fabrication drawings & obtaining approval of HBL before proceeding with fabrication works at site. No extra payment will be paid for design & drawings. Preparation of all GA, Plate cuttings schedule, fabrication drawings and obtaining HBL/Consultant’s approval, Fabrication of MS storage tanks as per the approved drawings, fabrication and installation of all items for restoration of tanks as per drawings, supply and fabrication of cleats, wedges and clamps, supply of all materials as per Scope of work, welding and other consumables, bolts, nuts and gaskets, labour, equipment, machinery, tools, tackles, etc. to complete the work in all respects as per approved drawings, specifications, Codes, standards, Scope of work and instructions of HBL Engineer-in-Charge. Detail Scope of jobs are as per Technical Bid/Unpriced bid of the Tender.

Internal Painting: - The broad scope includes supply and applying on the internal surfaces of the tank shell & bottom plates, appurtenances, accessories etc. with one coat of Berger make EPILUX 13 HB primer to 60-micron DFT and two coats of Berger make EPILUX 555 CTE Black 1st quality each of 100-micron DFT etc. complete as per manufacturer Specifications - ASIAN/NEROLAC make paints as approved by the Engineer-in-charge may also be used. (Measurement shall be taken for Plan area only without any Laps and the internal Surface of Shell Plates shall be taken for Measurement purpose).

External Painting: - The broad job includes supply and applying on the external surfaces of the tank (incl. stairways, landing platforms, roof, manholes, nozzles, appurtenances & other accessories on the external surfaces) with two coats of Berger make BISON HB Zinc Phosphate or equivalent Asian Paint primer each of 35-micron DFT and two coats of high gloss synthetic enamel paint of 1st quality approved make & colour each of 25-micron DFT complete as per attached / manufacturer’s specifications. (Only Shell Surface shall be measured for Payment purpose, however Measurements shall be taken for roof, Primary and Secondary Wind Girders).

SAND BLASTING: The broad job includes sand blasting of metal surfaces thoroughly Latest edition to bare metal to ensure thorough cleaning of the surfaces to receive paints as per specifications. It is to be noted that the Contractor to arrange and keep at site the relevant photographic standards for inspection by HBL Site in charge failing which permission to Proceed with the work will not be granted. Sand blasting of External/internal surfaces of tank shell, bottom plate external/ internal, staircases, wind girders, all accessories, structural, walkways, appurtenances etc. complete. Note: - 1. Measurement of accessories will not be measured separately and will be calculated in Shell Surface and Wind Girders only for Payment purpose 2. Measurement shall be taken for Plan area only without any Laps. 3. Internal Surface of Shell Plates shall be taken for Measurement purpose 4. Vendor to quote accordingly.

TAUFEEQ AHMAD (BID ID -743581)