Watch this underwater video of divers at Manolis L shipwreck

Video taken at the underwater site of the sunken Manolis Lshows the painstaking task fordiversassessing the leaking hull of the shipnear Change Islands, in Newfoundland's Notre Dame Bay.

Groups of two make five dives per day. It takes about 10 minutes to reach the hull on the ocean, and divers can only stay down for 30 minutes.

• Going down: Divers assess leaking Manolis L shipwreck

When they reach they surface, they must spend over an hour in a decompression tank.

Divers are drilling, collecting samples and installing plugs on various points along the hull,assessinghow much fuel is on board and where it's located.

Representatives from the coast guard, TransportCanada, Environment Canada and several private contractors have established a 200-metre safety zone around the Manolis L to protect divers, and watch for any leaking oil.

The Manolis L has been underwater for over 30 years.A$5-million contract was awarded earlier this summer to the Florida-based company Resolve Marine Group, to dive down to theManolisLand assess the ship's leaking hull.

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