The Hebron Oil Platform is now in Sunnyside harbour. It's a large structure.
You can't really miss it if you drive to the end of the community.
It may not seem like it, but it is getting taller every day. The growth, however, is all under water. As more weight is added on top, the structure sinks a little further down.
The Sunnyside Fifty+ Club has installed binoculars for public use. The Club is about six km from the Trans Canada Highway.
Bull Arm Fabrication Site
The Bull Arm Fabrication Site is in Big Mosquito Cove, just 3 km from Sunnyside in Bull Arm. It was built in 1990 in preparation for the Hibernia project—a 1.2 million tonne drilling and production platform. The platform was towed to the Grand Banks in the spring of 1997. Since then, Bull Arm has completed projects for the Terra Nova and White Rose oil fields, Voisey’s Bay Nickel and has refitted two semi-submersible drill rigs.
The facility is Atlantic Canada’s largest industrial fabrication site. It is close to international shipping lanes with deep water access to the Atlantic Ocean and is centrally located to serve the North Sea, the Gulf of Mexico and North Africa.
Hebron Oil Platform
Although you can't see the fabrication site itself from Sunnyside, you can sure see the latest oil platform being built. It's a massive stand-alone concrete gravity-based structure (GBS), 120 metres high and 130 metres in diameter, with a storage capacity of 1.2 million barrels of crude oil. It is designed to withstand sea ice, icebergs, meteorological and oceanographic conditions.
Construction started in 2011 with the building of a berm (a rock bank) to hold back the water of Bull Arm. The water behind the berm was pumped out to create a construction site for the GBS. This past summer, the berm was removed and the construction site was carefully flooded so the GBS could be towed out to deeper waters. Construction will continue in this location for a couple of years. The structure is getting larger every day, but the growth is all underwater. The increase in weight on top just makes the GBS sink a little more.
The next big event will be the mating (iintegration) of the topsides and the GBS in 2016. The topsides deck will include living quarters and facilities to perform drilling and production.
Hebron Project Metrics - Gravity Based Structure Key Quantities (Approximate)
Water depth - 93 m (Mean Sea level)
Height of GBS - 120 m
Diameter of GBS Base - 130 m
Shaft diameter - 35 m
Concrete volume - 132,000 m3
Rebar - (density 300 kg/m3) approx. 40,000 t
Post tensioning steel - 3,400 t
Steel skirts - 400 t
Mechanical Outfitting - 8,000 t (Piping systems & structural steel)
Well slots - 52
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