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ISO 15686 is the in development "ISO standard dealing with service life planning. It is a "decision process which addresses the development of the "service life of a building component, "building or other constructed work like a "bridge or "tunnel. Its approach is to ensure a proposed "design life has a structured response in establishing its service life normally from a reference or estimated service life framework. Then in turn secure a life-cycle cost profile (or "Whole-life cost when called for) whilst addressing environmental factors like "life cycle assessment and service life care and "end of life considerations including "obsolescence and "embodied energy recovery. Service life planning is increasingly being linked with "sustainable development and wholelife value.
The "objective of service life planning is to provide reasonable assurance 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, cost planning, maintenance planning, 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 essential functions could be adequately maintained. To assist with "specification and "design, and avoidance of "obsolescence and "waste, service life planning may include projections of the needs for, and timing of replacement and end of life recovery.
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".