Gas Protection Verification Specialists


At MEC Environmental we believe the process of meeting our clients regulatory obligations should be hassle free and thats why we offer a full one stop solution to ensure that any planning conditions and CML red conditions are lifted.


In order to comply with BS8485:2015 (A1:2019) you will require the following documents and processes:


Pre-Construction Phase Activities

  1. A Detailed Design carried out to comply with section 8 of BS8485.
  2. A Verification Plan as per CIRIA C735.

(These need to be submitted to the planning department and warranty providers in advance of any construction taking place).


Construction Phase Activities

  1. Independent Inspections and/or Testing of the installation at the frequency prescribed in the Verification Plan.
  2. Collection of Installation Q.A. evidence by the installation company for the full installation, which needs to be supplied to Verification Consultant for inclusion in the final report.

Post Construction Phase Activities

  1. Production of the final verification report for submission to the local authority planners and any warranty providers such as the NHBC
  2. Discharge of the relevant Planning Conditions and issuing of the Buildmark or Profesional Consultants Certificate (PCC)

We can manage the full process from inception to completion and supply all the neccesary reports, plans, inspections and testing to make the process straightforward as possible



  • BS8485 Compliant Reports
  • Pre-Verification Reports
  • On-site Inspections and Testing
  • Collating CQA evidence
  • Final Validation Reports
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