Questions from a FRA

[COLIN FAUCHERAND]

We have recently had a FRA on a single staircase over 11m (but below18m) block of flats. We are told the sounders need to be removed for a 'stay put' strategy but smoke detectors retained.

Q : do we need to replace domestic twin & earth cabling to these detectors with fire proof/resistant wiring ?

Q : is there a legal requirement for an AOV or can we convert to a MOV ?

Q : is there a legal requirement for signage in this single staircase, single exit, less than 9m run scenario ?

Any help would be greatly appreciated, thanks.

[AnthonyB]

Q : do we need to replace domestic twin & earth cabling to these detectors with fire proof/resistant wiring ? If cable failure would cause the AOV to fail  safe to the open position then no, otherwise yes

Q : is there a legal requirement for an AOV or can we convert to a MOV ? No, if the existing installation is an AOV you can't make something worse than original, just equal or better

Q : is there a legal requirement for signage in this single staircase, single exit, less than 9m run scenario ? No requirement for fire exit signage, no requirement for floor and flat numbering if an existing building (but good practice), fire instructions notice required near entrance or on notice board, etc