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Underwater Rack Teeth Repairs of Sagar Kiran
Awarded in 1991, this project was executed for ONGC, with DOEIL working as subcontractor to Mazgaon Docks Ltd. The Rs. 228 lacs job entailed towing this rig from Mumbai High to Nhava port, underwater cleaning of the spudcan, cutting away damaged parts and, after replacement, towing the rig back offshore.This work needs to be done in a dry environment, away from sea water. For this purpose the rig needed to be docked. As no dry docks of the required size were available in India, this was not an easy task. DOEIL instead created a dry environment underwater using a cofferdam. This entailed both the fabrication as well as deploying the cofferdam offshore for fitting. Work was then carried out in this dry environment underwater itself and the cofferdam was removed once the work was complete so that the rig could be returned to the field.

Sagar Kiran Rack 1	Sagar Kiran Rack 2	Sagar Kiran Rack 3
Sagar Kiran Water 1	Sagar Kiran Water 2

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