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IENG 217 Cost Estimating for Engineers

IENG 217 Cost Estimating for Engineers. Life Cycle. Life Cycle Costing. LCC is concerned with Pay Now or Pay Later Examples Energy efficient building vs traditional heating/cooling Brick dormitory vs throw away Car buying Obsolete electronic components for airplane

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IENG 217 Cost Estimating for Engineers

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  1. IENG 217Cost Estimating for Engineers Life Cycle

  2. Life Cycle Costing • LCC is concerned with • Pay Now or Pay Later • Examples • Energy efficient building vs traditional heating/cooling • Brick dormitory vs throw away • Car buying • Obsolete electronic components for airplane • Last time buy vs redesign

  3. Life Cycle Costing • Design, development, and engineering • Initial capital investment and financing • Operation, maintenance, and functional use • Replacement • Alteration, refurbishing, and improvement • Salvage and retirement

  4. Life Cycle Costing • Two major concerns • Annual Deterioration • Obsolescence • What is the life cycle? • Truck tires might be 30,000 miles • Crane engine might be 50,000 hours of use • Public works might be 30-60 years • Product might be 5-10, 1-3, 0.5-1 year

  5. Estimating Costs

  6. Estimating Costs

  7. LCC Estimates (Assumptions)

  8. LCC Estimates (Analysis)

  9. LCC Estimates

  10. LCC Estimates

  11. LCC Estimates

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