What must be included in a rams for this work?

Description of electrical works and their interface with live systems. Identification of live circuits and systems in the work area. Isolation procedures and lock-out/tag-out arrangements. Live working justification (if applicable) per Regulation 14. Arc flash risk assessment and PPE requirements. Safe distances from live conductors (GS38 guidance). Testing procedures using calibrated instruments with proving units. Coordination with building operator and other trades. Emergency procedures for electric shock, arc flash, and fire. Communication plan with building occupants

RAMS for Electrical Installation in a Live Environment — UK

UK construction-safety guidance by the Riskora Editorial Team

Installing electrical systems in a live environment — an occupied building, an operational factory, or a building with energised circuits — is one of the most hazardous activities in the electrical trade. One wrong connection, one missed isolation, or one unexpected back-feed can result in electrocution, arc flash, or fire. Your RAMS must address the specific challenges of working alongside live systems and other building users.

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Example RAMS

Description of electrical works and their interface with live systems
Identification of live circuits and systems in the work area
Isolation procedures and lock-out/tag-out arrangements
Live working justification (if applicable) per Regulation 14

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When This Document Is Required

The Electricity at Work Regulations 1989 require that work on or near electrical systems is carried out safely and that risks are assessed. Regulation 14 prohibits live working unless it is unreasonable to work dead — and the justification must be documented. Under CDM 2015, electrical installation in a live environment is a high-risk activity requiring specific RAMS. Building operators, facilities managers, and principal contractors will all require RAMS before permitting electrical works in their occupied spaces.

What Must Be Included

Description of electrical works and their interface with live systems
Identification of live circuits and systems in the work area
Isolation procedures and lock-out/tag-out arrangements
Live working justification (if applicable) per Regulation 14
Arc flash risk assessment and PPE requirements
Safe distances from live conductors (GS38 guidance)
Testing procedures using calibrated instruments with proving units
Coordination with building operator and other trades
Emergency procedures for electric shock, arc flash, and fire
Communication plan with building occupants

Common Mistakes to Avoid

Assuming circuits are dead without testing with a proving unit
Carrying out live work without formal Regulation 14 justification
Not assessing arc flash risk at distribution boards and panels
Using non-insulated tools when working near live conductors
Failing to coordinate with the building operator on planned isolations
Not informing building occupants about electrical works and potential outages

Example Scenario

An electrical contractor in Manchester is installing new power distribution on a floor of an occupied office building. The existing distribution boards remain energised, and the building's fire alarm and emergency lighting systems must remain operational throughout. Using Riskora, the project electrician generates a RAMS covering isolation sequences, live working justification for specific tasks, arc flash PPE requirements, and coordination with the building's facilities team — all in under 5 minutes.

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Final RAMS must be reviewed and approved by a competent person before use.

Riskora is an assistive document preparation tool. All documents generated must be reviewed, verified, and approved by a competent person before use on site. Riskora does not replace professional safety judgment, and no output should be treated as a legal compliance guarantee.