Skip to content

Firestopping

Changes to completed firestops: track condition, repair and responsibility

By Review.LivePublished 3 min readHow we write

The floor’s firestop work is recorded as complete, but additional cabling continues above the corridor. The superintendent finds a changed opening and needs a repair response. Establishing who changed it is a separate evidence question.

Steel conduits, a grey cable raceway and a red sprinkler pipe run side by side under a concrete waffle slab.
Photo: Nopparuj Lamaikul on Unsplash

Plan checks around ongoing work that could affect completed protection, using the project’s actual requirements and risk assessment. When a change is found, locate it, report the condition and arrange the appropriate response. Record attribution separately from the visible breach. A photograph can show damage without proving who caused it or establishing a contractual right to charge a particular trade.

Manage condition, repair and responsibility separately

  1. Identify where later work is happening. Ask the affected trades about service additions and access above completed areas. Agree suitable reporting and checking arrangements with the responsible site team. A weekly walk may be one project’s routine, but it is not a universal detection deadline or assurance that every breach will be found before the next inspection.
  2. Record the actual change. Use the opening or joint ID, plan location, date and relevant observations. Connect the previous condition and current photographs where available. State unknowns explicitly. A trade working nearby is not enough to identify the person or activity that changed a concealed component; collect relevant work records and the parties’ accounts before drawing that conclusion.
  3. Coordinate the technical response. Notify the responsible team and follow its assessed arrangements for affected protection and access. Have the actual changed configuration reviewed and repaired through the appropriate installer and verification process. Do not delay a necessary safety response until the cost argument is settled or authorize an improvised patch simply to make the photograph look complete.
  4. Route any responsibility and cost question. Refer the factual record, actual scope allocation, instructions and applicable contractual process to the authorized reviewer. Keep disputed attribution and pending decisions visible. Agree practical prevention actions with the trades even while the commercial question remains unresolved. A local site rule or repair invoice does not alone establish every party’s liability.

Common mistakes

  • Treating nearby trade activity as conclusive attribution.
  • Waiting for the payment dispute before responding to affected protection.
  • Using a site rule as automatic contractual charging authority.

Checklist

Keep the three records distinct

  • Later-work areas and suitable checks.
  • Located change with known facts and uncertainty.
  • Assessed technical response and verification.
  • Evidence-based responsibility review.
  • Actual cost decision and prevention follow-up.

Check your understanding

A cable crew worked nearby yesterday. Does the breach photograph justify a back charge to it?

Show the answer
The image records a condition, not necessarily causation or entitlement. Collect the relevant activity evidence and apply the actual scope and contractual review process while arranging the required technical response.