The gates of a secure compound north of Rose Lane containing equipment which forms part of the Government Pipelines and Storage System (GPSS). The sign suggests it is/was maintained by GreyStar Corporation on behalf of the Oil and Pipelines Agency, the government agency responsible for the GPSS. This site is probably a pig trap, where devices for maintaining the pipeline are launched or retrieved.
Uploaded to Geograph by Adam Brookes on 7 June 2010
Photo © Adam Brookes, 7 June 2010. Licensed for reuse under this Creative Commons licence