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Replacement of Leg Section of Sagar Jyoti
Awarded in 1991, this project was executed for ONGC, with DOEIL working as subcontractor to Mazgaon Docks Ltd. The rig had suffered immense damage to 2 of its legs during the punch through in 1989 and hence needed to be replaced. The Rs. 1554 lacs job entailed towing the rig to Nhava port, replacing two of the leg sections, repairs, painting of new leg sections and subsequently towing the rig back to Mumbai High.This job was divided into two phases. Phase 1 involved foundation work and replacement of the upper shock pads. Phase 2 entailed replacement of the damaged leg sections and lower shock pads after the rig had been jacked up.In phase 2, The entire rig was raised to 100 meters and all services, at that height, were provided by us. This included providing 400 ton per hour of salt water required for rigboard services as well as fresh water for a duration of almost two months. Extensive work was sometimes done as high as 125 meters with no accidents or mishaps. The removal and fitting of separate leg sections weighing 152 and 90 tonnes each, involved meticulous planning and required use of a DEMAG CC 4800 heavy lift crane from Singapore. This challenging project was executed entirely by DOEIL, with help provided by Keppel for the more specialized welding activities.

Sagar Jyoti Replac 1	Sagar Jyoti Replac 2	Sagar Jyoti Replac 3
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