RISK MITIGATION TABLE
A facility management program should be in place to conduct annual inspections and maintenance of components vulnerable to moisture, such as clearing roof drains, inspecting the roof, wall cladding, balconies, windows, and checking sealants and adhesives. This can be enhanced with the use of moisture monitors and leak detection systems, which can set off a physical alarm or trigger an alert sent via WiFi to the building management system. The Operation and Maintenance Manual should also include a post-completion checklist for inspecting and repairing the building after occupancy, along with a detailed methodology for carrying out repairs. Reparability is crucial for durability, as it outlines how to fix or replace damaged components efficiently. By applying design for disassembly principles, disassembly sequences and component interdependencies can be clearly explained, aiding in the development of both general and specific repair strategies. A building should be properly maintained if insurance is not to rise with building age.
The Risk Mitigation Table provides an overview of interventions that the design and construction team can make to reduce the risk of moisture damage to a building. Some measures are essential for all projects to ensure the building’s durability, while others depend on the specific details of the project, such as cost, programme, building type and use.
Primary mitigations: Must be applied on every project to prevent moisture damage and ensure durability.
Secondary mitigations: These should be considered based on:
– Building location – Project budget – Construction timeline – Type and use of the building
– Building management and maintenance approach – Any other specific moisture risks to the building
Each project should assess which interventions are most appropriate based on its unique risks and constraints.
MC>20% = timber decay likely
Figure: Risk of moisture damage increases over time
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DURABILITY
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