# Services in Fire Stairs ### Issue Image: ![[Pasted image 20250123172734.png]] ## Issue Description: - Per the BCA, Non-fire-related services cannot be installed in isolated fire stairs and exits can compromise their integrity and intended function as safe egress routes. - Such violations can lead to non-compliance with building codes and safety standards. - In the absence of a documented performance solution, compliance with C1P2 can be demonstrated by constructing in accordance with Part C4 Protection of openings, Deemed-to-Satisfy provision Clause C4D10 Service penetrations in fre-isolated exits, which states: *“Fire-isolated exits must not be penetrated by any services other than –* *a. electrical wiring permitted by D3D8(6) to be installed within the exit; or* *b. ducting associated with a pressurisation system if it –* *i. is constructed of material having an FRL of not less than –/120/60 where it passes through any other of the building;* *c. for fre services, water supply and test drain pipes.* ## Actions to Prevent this Issue: - [ ] Architect shall check that no services (other than those related to the fire system) are located in fire stairs. - [ ] Hydraulic Engineer shall check that no services (other than those related to the fire system) are located in fire stairs. - [ ] Electrical Engineer shall check that no services (other than those related to the fire system) are located in fire stairs. - [ ] Mechanical Engineer shall check that no services (other than those related to the fire system) are located in fire stairs. ## Source