Page 78 - Build 161

Fire safety
re-rated structural elements, beams, columns etc.
access panels
smoke and re barriers
re collars around penetrations penetration seals
re collars around penetrations re window
smoke and re barriers (walls/ oors)
dampers within ducts
air transfer grille/shutters
penetration or junction seals (thin line sealant)
Figure 1: Example of passive re elements in a room. lling as required
smoke/ re doors
door/wall combination as speci ed (for example, steel or timber-framed wall, steel or timber door frame)
Notes
gaps as speci ed
labels on door edge and frame
door/frame installed as speci ed
door hardware to door manufacturer's speci cations (especially replacements) – door self-closing and latching, approved hold-open device if required
Equally for the building control o cial, it outlines what to look for when completing their sign-o .
Figure 2 shows an example of some of the key features that should be present for a typical doorset. The notes identify that the lockset and hardware must be in accordance with the doorset manu- facturer’s specification and that the fire performance of the doorset should be iden- tified on a label in the hinge jam. Further notes provide prompts for other generic installation and inspection information.
The publication sets out to offer guid- ance on the process from design to speci- fication and approval, to installation and verification. For installations that differ from existing verified systems, the respon- sibilities taken on by those making assess- ments of performance and suitability for purpose are discussed.
For more Download the BRANZ guide for free from www.branz.co.nz/passive re. It is only published in electronic formats so updates can easily be made. Comments and suggestions are invited on future inclusions.
Follow manufacturer’s speci cations
Obtain data sheets, catalogues etc.
Frame xing as speci ed by manufacturer
Hollow steel frames lled as speci ed by manufacturer Gaps to edge of frame typically 3 mm
Door stops typically 25 mm thick but may vary
Ensure compatibility of door and wall as speci ed by manufacturer Labels required on door edge and frame
Figure 2: Typical doorset features - timber-framed wall and steel door frame.
76 — August/September 2017 — Build 161
FEATURE SECTION