Meaning of life cycle costing
Life Cycle Costing
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Engineering and technology
Glossary of building and construction terms
Meaning and definition of life cycle costing :
Life Cycle Costing: Each project must be treated on it's merits. The architect is clearly more aware of the wide range of client's requirements than the quantity surveyor. He is more conscious of the functioning of the building throughout its life, while the quantity surveyor has traditionally confined his interest to problems connected with the contract sum. The architect is conscious of the fact that, but perhaps not of the details of how, design decisions affect the running, operating and maintenance costs of building.For example, in considering a heating system, the capital cost of a simply installed electrical system may be very much lower than the provision of gas equipment, or an elaborate oil or solid fuel burning system, but its running costs may be so great that the initial economy achieved by reduced capital expenditure is eaten up in as few as five years or so, and the running costs thereafter could be crippling. On the other hand, the flexibility of use, obtained by local control of a gas appliance, may swing the balance in favour of gas against the cheaper general running costs of the other fuels and justify its selection on an overall assessment. Again, clients may take the view that running costs are free of tax whereas capital costs are not.This kind of consideration may be very similar to that involved in allocating the costs and deciding on the materials and equipment used in a building. By insulating the whole fabric of the building to a high standard of thermal efficiency, at a higher cost, money can be saved on the heating installation. Again, a high thermal improvement, at a low cost, to individual parts of a building, such as the roof or wall fabric, may produce the same or a better result.The first essential is to define closely the client's problem and then, and only then , attempt to provide the answers. In this way there can clearly be no preconceived ideas of the solution either technically or in terms of architectural style.Thus whilst the co-ordination of all these economic, technical and often conflicting requirements will not produce of themselves good architecture, it is hoped that the point is proved that this will never result from the purely "intuitive" meanderings of a skilful pencil.Since the former activity requires the active participation of the client, quantity surveyor and maybe other members of the building team, the time spent examining this part of the problem will have been justified. [R. Baden Hellard, ARIBA c.1960]
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Life Cycle Costing
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