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coating – Carr Civil Engineering https://carrcivilengineering.co.uk Fri, 26 Feb 2021 12:08:22 +0000 en-US hourly 1 https://wordpress.org/?v=6.2.2 Nitrogen Sleeve Endseal Repair at Mill Ride, Ascot https://carrcivilengineering.co.uk/nitrogen-sleeve-endseal-repair-at-mill-ride-ascot/ Fri, 09 Aug 2019 09:15:39 +0000 https://carrcivilengineering.co.uk/?p=1104 Sheeted & framed excavation of 5 metres x 5 metres x 4 metres was used to excavate down on to a leaking end seal. Full temporary works design was put into place before any work commenced.

Once the end seal and filling points were exposed, the sleeve was then pressurised,  and it was found that the end seal was offset and not holding pressure. A decision was made by the client that a bespoke end seal was to be manufactured and installed.  Once the endseal was installed the sleeve was then repressurised with nitrogen and is now holding pressure, resulting in the sleeve now being compliant.

 

]]> PO86 Arc Strike Investigations & Epoxy Shell Installation https://carrcivilengineering.co.uk/po86-arc-strikes-on-hp-pipeline/ Mon, 03 Jun 2019 10:15:56 +0000 https://carrcivilengineering.co.uk/?p=1021 Due to a recent heath fire,  multiple plumes of  dense, thick, acrid smoke rose up into the high voltage overhead power cables, resulting in multiple arc strikes travelling back down through the carbon within the smoke,  striking the HP Pipeline parallel to the high voltage overhead cables.

After excavations were carried out & the pipeline had been surveyed by the client via a P11 assessment, the results of this were sent off to a third party mechanical damage expert, and they advised that an epoxy repair shell should be fitted to the pipeline. See below photographs.

Arc strike found

P11 Assessment

Epoxy shell blasted to specification.

Epoxy shell being centralised.

Epoxy shell being filled.

Recoated shell to client specification.

 

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