110 likes | 257 Views
L4. Housing Economics. Course : Housing economic (AE 435) level 5. FALL 2012. LEC 4 : Effecting elements of economics for housing design ( part1). L ife cycle costing. L ife cycle costing. L ife cycle costing. why do we need LCC?.
E N D
L4 Housing Economics Course : Housing economic (AE 435) level 5 FALL 2012 LEC 4 : Effecting elements of economics for housing design ( part1)
why do we need LCC? A building is for life not just for the opening ceremony
definition of life cycle costing • Life cycle cost: ‘the cost of an asset, or its parts throughout its life cycle, while fulfilling the performance requirements’ (ISO 55686-5) • Life cycle costing: ‘methodology for systematic economic evaluation of life cycle costs over a period of analysis as defined in the agreed scope’ (ISO 55686-5)
definition of life cycle costing Life cycle costing is therefore • an economicevaluation method • that accounts for all relevant costs • over the investor’s time horizon • adjusting for the time value of money where appropriate
Kuala Lumpur Airport Westin Resort Life-Cycle Cost Analysis (LCCA) A method of economic analysis that sums up, over a given study period, all relevant costs of a building, building system, or building component, in present value (PV) dollars, today’s dollar.
Relevant costs • Construction costs (year zero costs) • Construction, fees, decanting etc • Maintenancecosts • Major replacement, minor replacement, redecorations etc • Operation costs • Cleaning, energy, administration etc • Occupancy costs • Reception, catering, occupants security etc • Endof life costs • Disposal, reinstatement, continued value etc
LIFE CYCLE COSTS 5. Construction 2. Maintenance 3. Operation 4. Occupancy 5. End of Life