Sent: Sunday, March 27, 2011 11:14 PM
Subject: Proposed temporary pipeline - Seaton
Following recent developments, I am once again troubling you about this pipeline which Tesco have constructed across two roads in Seaton. We have obtained further evidence casting doubt on it's stability and we are writing to ask you to resolve the issue by restricting public access during the first infill run, and perhaps convening a meeting of the parties concerned chaired by yourself at which we are present.
You may remember we used the Environmental Information Regulations 2004 to requisition details of the latest pipeline design from the local authorities involved. These were eventually supplied by Devon County Council in electronic form, albeit late and with all names and attributions deleted - often to the detriment of the sense of the documents. East Devon District Council has still not provided any information.
Mr James Lindsay-Smith FICE and I have made a preliminary inspection of these design files. We detected several calculation errors, one of which is serious enough to cast doubt on the stability of the structure crossing the two roads in Seaton. We have described the errors in the attached review document and may find others after a more detailed examination.
Time is now of the essence. Tesco propose piping in fill material on Tuesday 29th March - that is, in two day's time. If you think our objections have merit, we suggest you have the two roads closed at the crossing points during the first run in case the structure is unstable, and carry out what further checks are required to establish longer-term stability.
Thank you, once again, for your help with our problems.
James Semple
On 10/02/2011 16:51, Joanna.Teasdale@hse.gsi.gov.uk wrote:
Dear Mr Semple
I have just spoken to the project manager at ISG Pearce who is dealing with the Seaton project. I have obtained verbal assurances that the project has been notified, and that the temporary pipeline design has undergone independent checks over and above the standards set out in BS5975. ISG Pearce will be confirming this to me in writing in the next couple of days. I will let you know once I have received their communication.
HSE would not expect to have any further input at this stage, though if you have concerns about work on site as it progresses, please let us know.
Best regards
Joanna Teasdale
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