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A “red flag” is a clear warning sign. On a construction site, red flags range from a messy workspace to missing paperwork. Ignoring them increases the risk of accidents and HSE notices. Some red flags are easy to spot, while others slip under the radar. Eliminating them keeps you, your operatives, and your subbies safe every day.

Here are six common site red flags and how to fix them fast.

🚩 1. Unsecured site perimeter

Why it’s a red flag:

Under CDM 2015 rules, site boundaries must be secure. An unsecured perimeter lets trespassers or children wander onto site, risking injuries, vandalism, and theft.

How to fix it:

Erect anti-climb fencing around the boundary before starting work. Ensure clips are tight, panels are wind-stable, and bottom gaps are closed.

🚩 2. A messy or cluttered site

Why it’s a red flag:

Slips, trips, and falls cause most non-fatal injuries on UK sites. Timber offcuts, trailing cables, and rubble create hazards that lead to lost working days.

How to fix it:

Enforce a “clean as you go” rule. Provide designated skips and weight down light waste like plastic sheeting so wind doesn’t blow it away.

🚩 3. Missing or incomplete principal contractor site signage

Why it’s a red flag:

Safety duty holders must be identified at the boundary. In an emergency or HSE inspection, contact details and rules must be immediately visible.

How to fix it:

• Display a prominent HazardCo Site Board at the entrance featuring:
• Company name and main contact info
• Emergency contact details
• Mandatory PPE requirements for site entry
• Directions to site office or welfare facilities

🚩 4. High-risk tasks undertaken without valid RAMs

Why it’s a red flag:

Working at height, digging excavations and doing hot works are high-risk jobs. The law says you must assess the risks and plan the work properly before you start. Task-specific RAMS are the simplest way to show you’ve done it.” 

How to fix it:

Ensure a task-specific RAMS is communicated before starting work. If scope or site conditions change, stop work immediately and update controls.

🚩 5. Incidents and near misses going unreported

Why it’s a red flag:

Unreported near misses leave hazards uncorrected until an injury occurs. Failing to report specified injuries under RIDDOR can also lead to prosecution.

How to fix it:

Promote a culture where near misses are reported promptly. Using the HazardCo App, teams can log issues on mobile devices to streamline investigations.

🚩 6. Out-of-date or missing health & safety documentation

Why it’s a red flag:

Safety requirements evolve continuously. Relying on outdated paper templates or generic forms risks non-compliance during HSE inspections.

How to fix it:

Replace paper files in your van with digital management using the HazardCo App to keep site reviews, risk assessments, and RAMS audit-ready.

Spotted any red flags on your site?

If you spot these warning signs, take action before an injury occurs. For questions, call the HazardCo team on 020 4571 3920 or email info@hazardco.com.