MODELLING RUNNING AND MAINTENANCE COSTS FOR …

MODELLING RUNNING AND MAINTENANCE COSTS FOR LIFECYCLE COSTING APPLICATIONS IN BUILDINGSM odelling and MAINTENANCE for buildingsA. AL-HAJJS chool of Construction Property and Surveying, The Robert Gordon University,Aberdeen, United KingdomAbstractLife cycle costing is the technique of considering the initial and subsequentrunning COSTS and residual COSTS of an asset over the life of a project. Runningcosts are defined as the total cost of operations and MAINTENANCE COSTS of abuilding. The technique is accepted to be of theoretical merit but its practicaldevelopment is hindered by two extreme factors i) the absence of data in the rightform and ii) difficulties in handling the plethora of data when paper describes the use of a novel approach, known as the cost -significance,for the development of simple models for RUNNING and MAINTENANCE COSTS inbuildings. The models focus design and management effort on the high cost results are drawn from analysis of operation and MAINTENANCE COSTS foruniversity buildings over a period of 18 years demonstrating the feasibility ofderiving a small number of items, 16% of the total number of items occurring inrunning COSTS and 30% in MAINTENANCE COSTS , which consistently represent some87% of the total RUNNING COSTS of buildings and 70% of the total maintenancecosts.

MODELLING RUNNING AND MAINTENANCE COSTS FOR LIFE CYCLE COSTING APPLICATIONS IN BUILDINGS Modelling and maintenance for buildings A. AL-HAJJ School of Construction Property and Surveying, The Robert Gordon University,

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  Cost, Maintenance, Modelling, Cycle, Running, Modelling running and maintenance costs

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