Component level life cycle cost options appraisal

BREEAM UK New Construction, Non-domestic Buildings (United Kingdom), Technical Manual, SD5078: BREEAM UK New Construction 2018 3.0, published by BRE Global Limited, defines life cycle cost (LCC) as:

‘The cost of an asset or its parts throughout its life cycle, while fulfilling the performance requirements; a methodology for systematic economic evaluation of life cycle costs over a period of analysis, as defined in the agreed scope.’

‘A component level LCC options appraisal is commonly used for cost planning specification choices of systems or component levels during design development. Component level LCC options appraisal for service life planning requires the environment of the building and other local conditions to be identified and the fundamental requirements to be met in planning the service life of the building.

Decisions should be made on:

• the likely design life of the building (rather than the contractual design life)
• minimum functional performance criteria for each component over the building’s design life
• components that must be repairable, maintainable or replaceable within the design life of the building. Only the key differentiators between components and systems need to be comparatively modelled.’

--BRE Group

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