RA-HS63 Decommission of Existing Services
| File Reference : | RA-HS63 Decommission of Existing Services |
This example risk assessment has been prepared using the
F-HS20 General Risk Assessment form template.
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Decommissioning of Existing Services Risk Assessment
This fully completed decommissioning of existing services risk assessment example has been prepared by a qualified health and safety professional. It covers safe isolation, disconnection and decommissioning of existing utilities and services including gas, electricity, water, drainage, telecoms and other services prior to demolition, refurbishment or relocation, and can be used as a starting point when developing your own risk assessment documentation.
What Does This Decommissioning of Existing Services Risk Assessment Cover?
This risk assessment identifies the key hazards associated with decommissioning of existing services including;
- Contact with live services during decommissioning — cutting or breaking into live gas, electrical, water or telecoms services before proper isolation causing electrocution, explosion, flooding or toxic release
- Residual hazards after service decommissioning — residual gas in pipework, stored energy in electrical capacitors, residual water pressure and contaminated pipework presenting ongoing hazard after isolation
Each hazard includes an inherent risk rating of Substantial, and a comprehensive listing of applicable control measures covering areas such as;
- All services identified, traced and plotted from records and survey before decommissioning commences
- Isolation, disconnection and certification by the relevant utility company or approved contractor
- Confirmation that each service is dead by approved testing before cutting or disconnection
- Lock-off/tag-out applied to all isolated services with confirming test repeated before work
- Residual pressure in pipework vented and gas systems purged before cutting
- Contaminated pipework (asbestos, lead, hazardous liquids) identified before cutting with appropriate PPE and disposal procedures
A residual risk rating is then assigned to each hazard, demonstrating how effective risk management reduces overall risk to a tolerable level.
A Professional, Easy-to-Use Risk Assessment Template
This document uses colour-coded header styles matched to risk ratings, making it quick to read and easy to communicate during toolbox talks and worker training. A built-in risk rating matrix supports consistent evaluation of likelihood and consequence, and hazard pictograms using internationally recognised ISO warning symbols are included alongside relevant hazard entries.
The result is a completed risk assessment that looks professional, reads clearly, and demonstrates a structured and effective approach to risk management.
Who Is This Risk Assessment Template Suitable For?
This decommissioning of existing services risk assessment template is suitable for health and safety advisers, demolition contractors, mechanical and electrical engineers, principal contractors and any employer with a duty to assess risks associated with service decommissioning under the Construction (Design and Management) Regulations 2015 (CDM 2015), the Electricity at Work Regulations 1989 and the Gas Safety (Installation and Use) Regulations 1998. It can be implemented as a standalone document or as part of a broader occupational health and safety management system aligned with ISO 45001.
Note: This example risk assessment is supplied for use as guidance only and should be reviewed and completed by a competent person.