DURABILITY RISK MITIGATIONS FOR EXAMPLE BUILDING 4
Intervention
Reason for inclusion
To satisfy Principle 3 - Risk identification; Principle 5 - Keep timber dry; Principle 8 - Remove critical vulnerabilities To satisfy Principle 3 - Risk identification; Principle 5 - Keep timber dry; Principle 8 - Remove critical vulnerabilities To satisfy Principle 3 - Risk identification; Principle 5 - Keep timber dry; Principle 8 - Remove critical vulnerabilities To satisfy Principle 1 - Understand material properties; Principle 2 - Specify appropriate materials; Principle 3 - Risk identification; Principle 5 - Keep timber dry; Principle 8 - Remove critical vulnerabilities
Roof to minimum 1:40 falls
End grain sealant applied post machining of panels
Taped joints
GF timber min. 150mm from FFL to external walls. Above FFL to internal walls
Construction phase moisture management strategy
To satisfy Principle 7 - Moisture management in assembly
Install membrane to top face of CLT floors System leak detection (water mains pressure) Localised moisture detectors near timber structure in high risk areas.
To satisfy Principle 7 - Moisture management in assembly
To satisfy Principle 6 - Early intervention
Timber not located close to moisture sources or high risk areas.
Localised moisture detectors in timber
Timber not located close to moisture sources..
To satisfy Principle 1 - Understand material properties; Principle 2 - Specify appropriate materials; Principle 3 - Risk identification; Principle 5 - Keep timber dry; Principle 8 - Remove critical vulnerabilities
Ground level concrete/steel podium
Change to lightweight timber frame in high risk areas
Not required as high risk areas in concrete structure
To satisfy Principle 1 - Understand material properties; Principle 2 - Specify appropriate materials; Principle 3 - Risk identification; Principle 5 - Keep timber dry; Principle 8 - Remove critical vulnerabilities
External down pipes or down pipes in concrete structure
Services in higher durability zones
Service risers and high-risk serviced zones within concrete core.
To satisfy Principle 1 - Understand material properties; Principle 2 - Specify appropriate materials; Principle 3 - Risk identification; Principle 5 - Keep timber dry; Principle 8 - Remove critical vulnerabilities
Alternative material to roof slabs
KEY
Intervention required
Example Buildings
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