Moisture and Durability Principles - The Guidebook outlines principles relating to durability and moisture in mass timber buildings:
1. Specify appropriate materials 2. Risk identification 3. Consider repair and maintenance
6. Moisture management in assembly 7. Remove critical vulnerabilities 8. Durability risk analysis 9. Repair and remediation strategy
4. Keep timber dry 5. Early intervention
By following these principles, designers, contractors, and building operators can demonstrate to insurers that they have taken comprehensive measures to mitigate the risks associated with moisture.
Fire Mass timber introduces unique challenges to fire safety due to its combustibility. The Guidebook outlines fire behaviour in mass timber buildings and offers strategies to manage these risks, acheiving life safety compliance and contributing to property protection.
Fire Safety Principles - A set of industry consensus principles for fire safety in mass timber buildings:
1. Comprehensive fire strategy 2. Adequate risk to health and safety
3. Assumed redundancies for life safety design 4. Impact on escape from area of fire origin 5. Mitigating internal (vertical) and external fire spread 6. Mitigating internal (horizontal) fire spread 7. Expected performance of structure and compartmentation 8. Survival of burnout with encapsulated mass timber 9. Survival of burnout with exposed mass timber 10. Smouldering Combustion
By following these Fire Safety Principles, designers, contractors, and building operators can significantly reduce the fire risk in mass timber buildings, making them safer and more attractive to insurers.
Illustrative Examples The Guidebook provides four case studies of mass timber office buildings, illustrating how the durability and fire safety principles can be applied to different building heights and types:
1. Full timber offices below 18 meters, up to 4 storeys. 2. Full timber offices between 18 and 30 meters, up to 15 storeys. 3. Hybrid offices between 18 and 30 meters, up to 15 storeys . 4. Hybrid offices over 30 meters or over 15 storeys.
Each case study demonstrates how the durability and fire safety principles can be tailored to different types of buildings, providing real-world applications of the Guidebookâs recommendations.
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