Fit-out, design and alterations
Fire and MEP coordination: ceilings, power and equipment interfaces
Fit-out, fire, air-conditioning and electrical drawings should share a coordinated layout. Use an interface register to agree space, connections, control signals and joint testing before individual trades start work.
Fire and E&M design support and technical coordinationAgree one layout and ceiling baseline
Coordinate partitions, ceiling levels, ducts, lights and fire-equipment positions, then have the responsible designers confirm their system requirements. A drawing without visible clashes does not establish sufficient installation, maintenance or test access. Check actual dimensions and the way the space will be used.
Keep an issue register showing dates, revisions and construction status. Route tenant equipment changes and revised layouts through the relevant designers, then distribute one coordinated construction issue. Give site teams a traceable decision record rather than expecting them to reconcile separate messages.
Assign an owner to each interface
Where an item is 'by others', name the trade, delivery point and completion condition. A power supply brought to site may still need connection and testing. Installed equipment may still depend on signals, drainage or attendance by another system's contractor before it can be tested.
Update this register during design meetings and retain unresolved questions. Refer statutory design, structural and building-approval matters to the appropriate professionals. Site coordination should implement an agreed design rather than substitute for the professional review required for the work.
| Interface | Delivery to agree |
|---|---|
| Ceiling and equipment | Levels, openings, access panels and the pre-closure reviewer. |
| Power and connection | Supply location, connection boundary and electrical-test responsibility. |
| Signals and operation | Signal list, custodians at both ends and joint test scenarios. |
| Drainage and making good | Connection point, protection and reinstatement scope. |
| Records and changes | Agreed revision, variation authority, as-builts and test records. |
Set review points before closure and joint testing
Schedule concealed-work reviews before the ceiling is closed and confirm each affected trade has completed its checks. For shutdowns of existing fire installations, the responsible contractor should separately address connected-system effects, notices and applicable procedures. Record that dependency in the programme.
Before joint testing, confirm equipment readiness, participants and witnesses. At handover, collect coordinated as-built information, test findings and outstanding items. Identify any interface still awaiting verification, its current status and the next action so maintenance staff can trace it later.
Prepare these details for your enquiry
- Common baseline and drawing revision
- Equipment dimensions and maintenance access
- Power, signal, drainage and making-good allocation
- Pre-closure reviews and joint testing
- As-built drawings and open interfaces
Common questions
Do separate discipline drawings establish coordination?
Check common revisions, dimensions, interface responsibility and test scenarios. Record discrepancies in the interface register for confirmation by the responsible designers.
Who needs to know about a changed equipment position?
Notify affected design, installation, management and equipment parties, updating drawings and procedures as required. The project coordinator should confirm receipt of the same revision.
Discuss fire and MEP design coordination
Send current discipline drawings, equipment lists and open interfaces to review the coordination scope.
- Review drawing discrepancies
- Allocate trade interfaces
- Coordinate works and tests
Official sources
Project checklists are preparation advice. Refer to the original documents and the responsible professionals for requirements applicable to your premises.


