Industries

Fire protection for mixed-use developments

Mixed-use buildings need clear interfaces between occupancies, tenants, common areas and the systems shared across them.

Send facility details
Facility type
Mixed-use developments
Key focus
Occupancy & Hazard Class
Design basis
Site-specific assessment

Decisions shaped by this facility

Start with the occupancy, hazards, layout, installed condition and available project information.

01
Occupancy boundariesResidential, office, retail, parking, assembly and service areas should be identified separately before shared-system decisions are reviewed.
02
Common-system interfacesAlarm cause-and-effect, sprinkler zones, standpipes, smoke-control modes and monitoring responsibilities need one coordinated record.
03
Tenant and base-building scopeThe project should state which components belong to the developer, property manager or tenant and how each fit-out connects to the base building.

Operational constraints to identify early

  • Coordinate work across multiple operators, tenants, access rules and occupancy schedules.
  • Plan phased turnover without losing track of temporary interfaces or incomplete zones.
  • Keep a controlled record of tenant changes that affect shared devices, sprinklers, alarms or smoke-control sequences.

Starting points for new and existing work

New construction, expansion or fit-out

For a new development, DGRB can review the proposed occupancies and shared-system boundaries before defining its coordinated design, supply, installation and testing scope.

Existing-system maintenance, upgrade or rectification

For an occupied mixed-use property, DGRB reviews tenant changes, common-system condition, incomplete interfaces and property-management constraints before proposing maintenance or rectification.

What to send for the assessment

  1. Master plans and occupancy/use schedule
  2. Base-building fire-protection drawings and operating sequences
  3. Tenant guidelines and fit-out interface requirements
  4. Phasing, turnover and current occupancy information
  5. Existing faults, incomplete works and authority comments

Relevant systems and equipment

Review the systems and equipment commonly discussed for this facility type.

Addressable FDASCoordinate points, zones and programmed interfaces across uses.
Fire sprinkler systemsReview zoning and protection arrangements for each area.
Standpipe systemsPlan shared firefighting water access throughout the development.
Smoke control systemsCoordinate fire modes, exhaust, makeup air and protected routes.
Fire hose cabinetsAlign cabinets with risers, floor layouts and access needs.
FDAS trouble-signal checklistTrace panel evidence across tenant and base-building responsibilities.
Sprinkler issue checklistIdentify the affected occupancy, zone, valve and shared-system responsibility.
Reference

Use the site conditions, approved plans and current fire-safety rules. BFP Revised IRR of RA 9514

Frequently asked questions

Is mixed-use one uniform fire-protection category?

No. The actual uses and their interfaces must be identified; a residential area should not simply inherit retail or office assumptions.

Can tenant fit-outs affect common systems?

Yes. Fit-outs can change devices, sprinklers, alarm logic and access, so base-building requirements must be coordinated.

What document is most useful first?

Start with the master plans, occupancy schedule, base-building fire-protection drawings and current tenant-interface requirements.

Reviewed by DGRB Fire Safety Technical TeamUpdated August 9, 2026