RA-HS135 Rooftop Plant Maintenance
File Reference : RA-HS135 Rooftop Plant Maintenance
Date File Updated 09-03-2026
Category Risk Assessments
Tags: ISO 45001

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F-HS20 Risk Assessment Template
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This example risk assessment has been prepared using the
F-HS20 General Risk Assessment form template - a purpose-built template designed to focus entirely on what matters: identifying hazards, rating risk and recording controls, without any unnecessary fields getting in the way.

The file is supplied in fully editable MS Word format and can be easily customised and saved to Google Docs format if required. The document uses pre-defined style formatting throughout with styles to match the risk-ratings which are input using select boxes pre-populated with all possible risk ratings. All text is in Calibri font for improved readability.
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Rooftop Plant Maintenance Risk Assessment

This fully completed rooftop plant maintenance risk assessment example has been prepared by a qualified health and safety professional. It covers a typical range of hazards associated with maintenance and servicing of rooftop mechanical and electrical plant including HVAC units, cooling towers, extract fans, and associated pipework, and can be used as a starting point when developing your own risk assessment documentation.

What Does This Rooftop Plant Maintenance Risk Assessment Cover?

This risk assessment identifies the key hazards associated with rooftop plant maintenance including;
  • Falls from unguarded rooftop edges, plant platforms, and parapet walls causing fatal or serious injury
  • Electrical hazard from high and low voltage plant, exposed terminals, and isolation failures during maintenance
  • Legionella and biological contamination risk from cooling towers, evaporative condensers, and water systems
  • Entanglement in rotating plant including fan blades, belts, and drive shafts during inspection and maintenance
  • Manual handling injuries when moving heavy tools, parts, and equipment up ladders and roof access hatches

Each hazard includes an inherent risk rating and a listing of applicable control measures covering areas such as;

  • Roof edge protection or safety harnesses on fixed anchor points before any rooftop access
  • Safe isolation and lock-off/tag-off procedures for all electrical plant before work commences
  • Legionella risk assessment and water treatment scheme maintained; risk-based monitoring and dosing programme in place
  • All rotating parts guarded before starting plant; isolation confirmed before any guard removal for maintenance
  • Mechanical handling via crane or hoist for heavy components; weight limits on roof access ladders communicated

A residual risk rating is then assigned to each hazard, demonstrating how effective risk management can be used to reduce the 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 — improving clarity and helping to highlight risks and mandatory controls.
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 Rooftop Plant Maintenance Risk Assessment Suitable For?

This rooftop plant maintenance risk assessment is suitable for health and safety advisers, facilities managers, building services contractors, and any employer responsible for rooftop plant with a duty to assess risks under the Work at Height Regulations 2005 and Electricity at Work Regulations 1989. 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.

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