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Tank access tunnel, view looking up access ladder to tank top.

SC 654640

Description Tank access tunnel, view looking up access ladder to tank top.

Collection RCAHMS

Catalogue Number SC 654640

Category On-line Digital Images

Copy of D 3177

Scope and Content Access ladder, World War II underground oil tanks, World War I and II Naval Base, Lyness, Hoy, Orkney Islands At Lyness on Hoy, close to the sounds which made up the main fleet anchorage, naval quarters, stores and an oil depot were established during World War I and were considerably developed in World War II to become the Base Headquarters, HMS Proserpine. The base came to include an extensive area for the repair of anti-submarine boom nets, 16 above-ground oil storage tanks and, beneath the nearby hill of Wee Fea, six very large underground fuel tanks which were capable of storing some 100,000 tons of oil. In 1937 the contract for building the underground tanks went to Sir William Arrol & Co Ltd and work continued through to 1943 when the project was aborted. The tanks were arranged in parallel under the hill with access tunnels on the northern and southern flanks, some 0.975km apart. Both the inlet and outlet pipes passed through the north tunnel, the south tunnel being used principally for maintenance. An additional pumping station, designed and built by Arrols in 1937, was necessary in order to pump the oil up to the tanks which were laid at an altitude of about 90m and some 1.86km west of the original pump house which stands close to sea level at Lyness. This is a view within the tank access bay looking up the ladder to an inspection platform above the top of the tank. A wall-mounted float gauge is on the left. The tank itself, which is encased behind the wall in the foreground, is some 13.11m deep, 13.72m wide and about 237.14m long. At the heart of the Orkney archipelago, Scapa Flow was the main fleet anchorage for the Royal Navy during both World Wars. Its vital importance led to the creation of one of the most concentrated defence networks in Britain. Source: RCAHMS contribution to SCRAN.

Permalink http://canmore.org.uk/collection/654640

File Format (TIF) Tagged Image File Format bitmap

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