What must be included in a rams for this work?

Full scope and description of entry into trenches deeper than 1.2 metres that constitute confined spaces. Site-specific hazard identification and risk ratings. Risk control: gas accumulation at the base of deep trenches. Risk control: trench wall collapse burying operatives. Risk control: flooding from groundwater or burst services. PPE and RPE requirements for all personnel. Emergency procedures and response arrangements. Competency requirements and training records. Communication and briefing procedures. Supervision and monitoring arrangements. Review schedule and sign-off by competent person

RAMS for Working in Deep Trenches — UK

UK construction-safety guidance by the Riskora Editorial Team

Most of the work involved in working in deep trenches is straightforward — it is the documentation that delays the start date for small contractors. Excavation works carry one of the highest fatality rates in UK construction, driven by collapses, service strikes, and falls into open trenches. On working in deep trenches, the relevant duty is unambiguous: Trenches deeper than 1.2m may be classified as confined spaces under the 1997 Regulations if there is a foreseeable risk of gas accumulation, flooding, or oxygen depletion. That is the gap a properly written RAMS closes: between knowing the work is risky and proving the risks are controlled.

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Example RAMS

Full scope and description of entry into trenches deeper than 1.2 metres that constitute confined spaces
Site-specific hazard identification and risk ratings
Risk control: gas accumulation at the base of deep trenches
Risk control: trench wall collapse burying operatives

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When This Document Is Required

Trenches deeper than 1.2m may be classified as confined spaces under the 1997 Regulations if there is a foreseeable risk of gas accumulation, flooding, or oxygen depletion. The RAMS must address both trench support and confined space protocols.

What Must Be Included

Full scope and description of entry into trenches deeper than 1.2 metres that constitute confined spaces
Site-specific hazard identification and risk ratings
Risk control: gas accumulation at the base of deep trenches
Risk control: trench wall collapse burying operatives
Risk control: flooding from groundwater or burst services
PPE and RPE requirements for all personnel
Emergency procedures and response arrangements
Competency requirements and training records
Communication and briefing procedures
Supervision and monitoring arrangements
Review schedule and sign-off by competent person

Common Mistakes to Avoid

Using a generic template without adapting it to the specific entry into trenches deeper than 1.2 metres that constitute confined spaces conditions
Not reviewing the document when site conditions change
Missing sign-off from a competent person before work begins
Failing to consider gas accumulation at the base of deep trenches
Not addressing trench wall collapse burying operatives
Not briefing all workers on the document content before work starts

Example Scenario

A tier-two subcontractor working in the South West needs a RAMS ready for sign-off this week — the client will not release the start date without it. They walk through the guided builder, accept the suggested hazards for working in deep trenches that fit, override the ones that do not, capture the project details in one pass, and send the finished document straight from Riskora to the client. The finished document explicitly addresses gas accumulation at the base of deep trenches, which the principal contractor would otherwise expect to see written into the pack.

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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.