Hima-Sella ESD systems for Breagh Alpha gas field pipeline

Hima-Sella, the safety systems specialist,  has commenced work on two contracts for the design, manufacture and installation of safety systems for the Teesside Gas Processing Plant (TGPP) at Seal Sands in Middlesbrough. This is currently being modified to receive and process gas from the Breagh gas field, offshore in the North Sea.

Under one contract, awarded by AMEC, Hima-Sella is providing an Emergency Shutdown (ESD) system at the processing plant. The ESD is being built around a HIMA HIQuad H51q-HS (SIL 3 rated) Programmable Electronic System (PES), which features dual redundant CPUs and will reside in four system cabinets (three of which will be at the processing plant and a fourth that will be located on the unmanned Breagh Alpha platform – approx. 100km offshore).

Under the second contract, this one awarded by J. Murphy & Sons Ltd, a civil engineering and building contractor, Hima-Sella is providing a High Integrity Pressure Protection System (HIPPS) which will be located at a Beach Valve Compound (a landfall site about 10km from the processing plant for a 20” class 1500 pipeline from the Breagh Alpha platform). The HIPPS will also be based on the HIMA HIQuad H51q (PES) and will perform ‘2oo3’ voting on pressure transmitters to provide autonomous and fail-safe protection of the downstream pipeline against over-pressure.

Andy Tonge, Hima-Sella’s Sales Manager, comments: “The Breagh field is one of the largest gas discoveries in recent years and it is helping secure the UK’s future energy needs. We’re therefore delighted to have been awarded these two contracts to engineer solutions to protect the Breagh Alpha platform and the 110km of pipeline to the Teesside Gas Processing Plant.”

The ESD and HIPPS are scheduled for delivery in Q3 of this year.

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