Railway Signalling Correlation & Correlation Waiver Presentation 

Railway Signalling Correlation & Correlation Waiver Presentation 

Railway Signalling Correlation & Correlation Waiver Presentation  Purpose of Correlation (quotes from NR/L2/SIG/11201 mod A7) Correlation of signalling records and equipment and wiring on site is required to: Check the accuracy of source records prior to any design alteration; To check that records match the actual equipment and wiring at the site they represent. This means […]

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