ISO 15686

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ISO 15686 is the in development ISO standard dealing with . It is a decision process which addresses the development of the service life of a , building or other constructed work like a bridge or tunnel. Its approach is to ensure a proposed design life has a in establishing its service life normally from a reference or estimated . Then in turn secure a (or Whole-life cost when called for) whilst addressing environmental factors like life cycle assessment and and end of life considerations including obsolescence and embodied energy recovery. is increasingly being linked with sustainable development and .

The objective of service life planning is to provide that the estimated service life of a new building on a specific site, with planned maintenance, will be at least as long as the design. Service life planning facilitates the making of well-informed decisions regarding value engineering, , , and environmental impact. As service life cannot be estimated precisely, the objective requires the making of an appropriately reliable estimate of the service life of the building using available knowledge relating to the service life of each material, component, assembly, and system that is to be used in the building.

If the estimated service life of any of these is likely to be less than the design life of the building, a decision should be made as to whether maintenance, repair, or replacement could ensure that its could be adequately maintained. To assist with specification and design, and avoidance of obsolescence and waste, may include projections of the needs for, and timing of replacement and end of life recovery.

15686 for service life planning is being prepared by , Building construction - Subcommittee SC 14, Design life.

In Great Britain, the new British Standard BS ISO 15686-5:2008 Buildings and constructed assets. Service life planning is currently being launched (September 2008). The life cycle costing standard and the additional Standardized method of life cycle costing for construction (SMLCC) provide an in-depth guide to life cycle costing, an area of increasing importance. The BSI explains that "the UK building industry recognizes that life cycle costing (LCC) is necessary and important, but confusion exists about the best method to realise the economic and environmental benefits of such costing".

List of sub standards[]

1. Buildings and constructed assets - Service life planning: Part 1, General principles and framework
2. Buildings and constructed assets - Service life planning: Part 2, Service life prediction procedures
3. Buildings and constructed assets - Service life planning: Part 3, Performance audits and reviews
4. Buildings and constructed assets - Service life planning: Part 4, Service Life Planning using IFC based Building Information Modelling
5. Buildings and constructed assets - Service life planning: Part 5, Life-cycle costing
6. Buildings and constructed assets - Service life planning: Part 6, Procedures for considering environmental impacts
7. Buildings and constructed assets - Service life planning: Part 7, Performance evaluation for feedback of service life data from practice
8. Buildings and constructed assets - Service life planning: Part 8, Reference service life and service-life estimation
9. Buildings and constructed assets - Service life planning: Part 9, Guidance on assessment of service-life data
10. Buildings and constructed assets - Service life planning: Part 10, When to assess functional performance
11. Buildings and constructed assets - Service life planning: Part 11, Terminology

Further developments[]

• Parts 1-3 and parts 5-10 have been published. The others are "Under development".^[1]
• Further information may be obtained from ISO Geneva or BSI Chiswick London.

References[]

External links[]

• CIB W80