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Download the NHSS8 HERS Handbook detailing the requirements for the registration of organisations and the registration of employees to the HERS scheme. Issue 7 [9001:2015] - December 2020.
NHSS8 - Particular Requirements for the Application of ISO9001:2015
This document relates to the quality management system requirements for the overseeing and/or installation and/or maintenance of Highway Electrical equipment and supporting works. Issue 1 - April 2020.