RAMS for Excavation Near Utilities (UK) – Generate in Minutes
By the Riskora Editorial Team · Reviewed against our editorial standards · Last reviewed
Excavating near live underground services is one of the highest-risk activities on any construction site. Your RAMS needs to cover service identification, safe digging practices, and emergency procedures for cable strikes or gas escapes. Riskora generates structured documentation with utility-specific hazards — ready for site in minutes.
UK (RAMS) example document — Two-Storey Rear Extension — 14 Birchwood Lane, Reading. Client: Mr & Mrs A. Whitfield (Private Client). Site: 14 Birchwood Lane, Reading, RG1 5JT. Scope: Construction of a two-storey rear extension (6.4m × 4.2m) to an existing semi-detached dwelling. Works comprise breaking out of existing rear elevation, trench-fill foundations to 1.0m, traditional cavity blockwork to first floor, pre-stressed concrete lintels, timber roof structure with natural slate finish, plus alterations to existing rear wall to form structural opening with rolled steel joist (RSJ 203×102 UB23). Works programmed over 9 weeks with a peak site team of 6 operatives. Hazards assessed: Manual handling — blocks, lintels, plasterboard, Working at height — independent scaffold & roof structure, Buried services strike during excavation, Collapse of excavation / trench wall, Hand-arm vibration (HAVS) — breaking out, drilling, Silica dust — cutting blocks, brick, concrete, Vehicle/pedestrian segregation — narrow domestic street.
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What is a RAMS for excavation near utilities?
A RAMS for excavation near utilities is a combined risk assessment and method statement covering the hazards of digging near underground services — electricity cables, gas mains, water pipes, telecoms, and drainage. It documents the service identification methods, safe digging techniques, and emergency procedures required to prevent service strikes.
Service Strikes Kill and Cause Serious Injury Every Year
Striking underground services during excavation is one of the most common causes of serious injury on UK construction sites. HSE guidance (HSG47) estimates there are tens of thousands of cable and pipe strikes annually. Hitting a high-voltage cable can be immediately fatal. Striking a gas main creates an explosion risk. Even water main strikes cause significant flooding and project delays. The problem is that many RAMS documents list 'underground services' as a generic hazard without specifying the actual identification, location, and safe digging procedures needed for the specific site. Principal contractors and utility companies expect detail — CAT and Genny scans, service drawings, hand-dig zones, and emergency isolation procedures. Understanding the legal requirements for risk assessments in the UK is the first step toward getting your documentation right.
HSE guidance document HSG47 'Avoiding Danger from Underground Services' sets out the procedures for safe excavation near buried services. It requires a combination of service drawings, electronic detection (CAT and Genny), trial holes, and safe digging practices. NRSWA (New Roads and Street Works Act) imposes additional requirements when working in the highway.
How Riskora Helps
Riskora generates excavation RAMS with pre-loaded hazards for each type of underground service — electricity, gas, water, telecoms, drainage, and fibre optics. The system includes service identification procedures, safe digging method steps, exclusion zones, and emergency response protocols for cable strikes and gas escapes. You add your site-specific details, review the output, and download. If you're new to RAMS, our step-by-step guide to writing a RAMS explains the fundamentals before you start generating.
Who it's for
- Groundworks contractors excavating for foundations near existing services
- Utility companies installing new gas, water, or electric connections
- Highway contractors working in carriageways with multiple buried services
- Drainage teams installing foul or storm systems near live utilities
- Civil engineering firms carrying out deep excavations on brownfield sites
Understand the Fundamentals
Before you generate your document, these guides cover the knowledge that underpins every good RAMS, risk assessment, and method statement.
What Is a RAMS Document?
Understand the two components of a RAMS and why they're required before work begins on site.
How to Write a RAMS Document
A step-by-step guide to structuring your RAMS from project details through to sign-off.
UK Legal Requirements for Risk Assessments
What the law requires under MHSWR 1999 and CDM 2015, and what 'suitable and sufficient' means.
Who Needs a RAMS?
Find out whether your work requires a RAMS and who is responsible for producing one.
Construction Safety Documents Explained
An overview of the key safety documents required on UK construction sites and how they relate to each other.
RAMS vs Risk Assessment — Key Differences
When you need a full RAMS versus a standalone risk assessment, and how the two documents work together.
Key Risks and Considerations
- •Electrocution from striking live high-voltage or low-voltage cables
- •Gas explosion or escape from striking gas mains or service pipes
- •Flooding from damaged water mains or drainage infrastructure
- •Telecoms disruption from severed fibre optic or copper cables
- •Trench collapse — particularly in unsupported excavations near services
- •Unrecorded or diverted services not shown on utility drawings
- •Damage to third-party infrastructure causing liability and prosecution
What UK Law Actually Says
Direct quotes from the named regulations, with plain-English explanations of what each one means in practice.
Regulation 22(1)(c), Construction (Design and Management) Regulations 2015
“Suitable and sufficient steps must be taken to identify and, so far as is reasonably practicable, prevent any risk of injury arising from any underground cable or other underground service.”
CDM 2015 Reg 22(1)(c) is the regulation HSE quotes after every service strike. Records must show utility plans were consulted, CAT & Genny scans completed by a competent operator, and trial holes hand-dug at every recorded service crossing.
Read the source on legislation.gov.uk →HSG47 — Avoiding danger from underground services
“Excavation work near buried services must follow a sequence of plans, locate, dig — and digging within 500 mm of a cable position must be by hand or vacuum excavation, not by machine.”
HSG47 is the operational guide the courts treat as 'reasonably practicable'. Skipping any step (plans, scan, hand-dig) is the proximate cause of most strikes. The RAMS must document each step with the operator named.
Read the source on legislation.gov.uk →Section 81, New Roads and Street Works Act 1991 (NRSWA)
“An undertaker executing street works shall ensure that the works are adequately guarded and lighted and that signs are placed and maintained in accordance with the code of practice.”
NRSWA Section 81 governs anyone digging in the public highway. The RAMS must reference the Safety at Street Works Code of Practice (red book) and name the qualified Streetworks Supervisor (Unit 10) on site.
Read the source on legislation.gov.uk →The Numbers Behind the Risk
Why this matters — the most recent published figures from the Health and Safety Executive and ONS.
60+ utility strikes per day
HSE and JAG(UK) estimate roughly 60,000 cable and pipe strikes per year in the UK — the leading cause of excavation injuries, and a frequent fatality cause when struck services are HV electric or gas.
Source: HSE — Buried services guidance →£500k+ fines after a single HV strike
Following the 2018+ sentencing guidelines, fines for utility-strike prosecutions involving inadequate RAMS or skipped trial holes regularly exceed £500,000 for medium-sized contractors.
Source: HSE — Recent prosecutions →Common Mistakes (and How to Avoid Them)
1. Treating CAT & Genny as proof of position
Why it fails: Detection equipment shows a signal — it doesn't prove depth or exact position. Multiple services in the same trench can mask each other. HSG47 treats trial holes as the only proof.
Fix: Specify trial holes by hand or vacuum excavation at every recorded service crossing. Document the result in the RAMS revision before machine work continues.
2. Excavator working without an EUSR-carded banksman
Why it fails: EUSR (Energy & Utility Skills Register) and SHEA-Water cards are the asset-owner-mandated competence for working on or near live services. An uncarded banksman invalidates the permit to dig.
Fix: Name the banksman with their EUSR/SHEA card number, expiry, and the comms protocol (radio channel, hand signals) in the RAMS.
3. No documented cable-strike emergency procedure
Why it fails: After a strike, seconds matter. Generic 'call the emergency services' wording delays the right response — utility owner emergency lines, isolation procedure, and exclusion-zone setup.
Fix: Print the utility owner's 24-hour emergency number on the RAMS cover, name the on-site first aider, and specify the 10-metre exclusion zone for HV strikes per ENA G39.
Safe Digging Clearances — HSG47 Quick Reference
HSG47 sets the minimum hand-dig zones that UK contractors are expected to design into the RAMS. These distances are measured from the indicated service position (drawing or CAT line), not from the trench edge.
| Service type | Detection | Hand-dig clearance | Exclusion zone after strike |
|---|---|---|---|
| HV electric (>1 kV) | CAT scan + DNO drawings + trial holes | 500 mm horizontal, hand or vacuum only | 10 m (ENA G39) |
| LV electric | CAT + Genny on signal mode | 500 mm horizontal, hand or vacuum only | 5 m until isolated |
| Gas (low/medium pressure) | CAT + GT(7) records + trial holes | 500 mm + non-sparking tools | Evacuate & call 0800 111 999 |
| Water main (potable) | Drawings + listening stick + trial holes | 300 mm hand-dig | Isolate before continued work |
| Fibre telecoms | Drawings; CAT often unreliable on fibre | Treat as live — hand-dig only | N/A (cost / SLA risk) |
Sources: HSE HSG47 (Avoiding danger from underground services); ENA G39 Issue 4; National Joint Utilities Group (NJUG) Guidelines. Original synthesis — use alongside the asset owner's specific permit-to-dig conditions.
Key Features
- Utility-specific hazard presets for electricity, gas, water, telecoms
- CAT and Genny procedure templates
- Permit to dig integration prompts
- Hand dig zone specifications
- Emergency response procedures for cable strikes and gas escapes
- Trench support and shoring sections
- Download to PDF
Example Structure (UK Standard)
- Project Details and Excavation Scope
- Service Identification — Utility Drawings, CAT & Genny, Trial Holes
- Risk Assessment — Cable Strike, Gas Escape, Flooding, Collapse
- Safe Digging Method Statement — Hand Dig Zones, Machine Exclusion
- Permit to Dig Requirements
- Trench Support and Shoring Arrangements
- Emergency Procedures — Cable Strike, Gas Leak, Water Main Burst
- PPE Requirements — Insulated Tools, RPE for Gas
- Competence and Training Requirements
- Service Owner Notification and Coordination
- Sign-Off and Review
Common Questions Before Getting Started
Will this take long?
Under 5 minutes. Select your trade, pick hazards, download.
Is it complicated?
No training needed. The guided builder walks you through every step.
Do I need experience?
If you know what work you're doing, you can use Riskora.
Is it free to try?
Yes. The Free plan needs no card — generate, review and download one free PDF. Upgrade any time for branding, DOCX, sign-off and higher limits.
Create your RAMS in under 5 minutes
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All documents generated by Riskora should be reviewed by a competent person before use on site. Riskora provides structured templates — professional judgement is always required.
What your RAMS actually contains
Riskora builds a structured, client-facing document — not a generic AI paragraph. Every section is shaped around your job, your site and your team.
Hazards
Task-specific hazards for the job, captured row by row — not a generic list pulled from an old RAMS.
Controls
Control measures mapped to each hazard with residual risk scoring after controls are applied.
PPE
PPE requirements tied to the activity and site, ready to brief to the team.
Method steps
Step-by-step method statement structured around how the work is actually sequenced on site.
Emergency arrangements
First aid, rescue plan, emergency contacts and site-specific escalation routes.
COSHH prompts
Substance prompts when the work involves chemicals, dusts, fumes or sealants — flagged early, not missed at review.
Sign-off
Operative sign-off captured against the document — names, dates and acknowledgement of the brief.
Version history
Every change tracked so you can show what was issued, when, and which version the team signed.
Approval status
Clear approval state on every document — draft, in review, approved, issued — visible across the team.
Audit trail
Who created it, who reviewed it, who signed it. A complete trail you can hand to a principal contractor or auditor.
From copied-and-pasted to site-specific
The reason RAMS get rejected is rarely the format — it's that the document is obviously generic. Riskora rebuilds it around this job, this site and this task.
Generic template copied from an old job.
- • Hazards and controls that don't match this site or task.
- • Method steps written for a different sequence of work.
- • No emergency arrangements specific to the location.
- • Client flags it as generic and asks for a rewrite.
Site-specific document structured around this job, site and task.
- • Hazards captured from the actual scope you pasted in.
- • Method steps sequenced for how the work runs on site.
- • Emergency arrangements and rescue plan tied to the location.
- • Approved internally, briefed to the team, signed off and stored.
From job details to signed-off document
A four-step workflow used by contractors, consultants and safety teams to turn informal job details into client-ready safety paperwork.
- 1Paste job details
Drop in a client email, a WhatsApp from the site manager, a scope of works or a tender note. Anything that describes the job.
- 2Riskora structures the document
Riskora turns your brief into hazards, controls, method steps, PPE, emergency arrangements and COSHH prompts.
- 3Review, edit and download
You stay in control of every section. Tweak anything, then download a clean PDF or share a link.
- 4Brief the team and record sign-off
Brief operatives, capture their sign-off and keep a full audit trail of who signed which version.
Built by people who've written this paperwork on real sites
Riskora is built by a founder with hands-on site and document experience — designed for contractors, consultants and safety teams who need to issue, brief and prove safety paperwork without losing a day to admin.
- Built for contractors, consultants and teams
Solo trades, principal contractors and in-house safety teams all run on the same workflow. - Supports multiple countries
UK, Ireland, Australia, New Zealand, US and Canada — wording and document types match the local standard. - Not just documents
Sign-off, approvals, version history and an audit trail — the management workflow around the paperwork.
Frequently Asked Questions
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References & Further Reading
Primary UK sources covering the legal and practical framework behind RAMS, risk assessments and method statements.
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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.