R23-6-6. Methodology  


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  • One or more methods of economic evaluation may be used as appropriate to assess the Life Cycle Cost effectiveness for each of the activities identified in Section R23-6-4. Methods may include, but are not limited to:

    (1) Standard practice for measuring Total Life Cycle Cost of building systems. American Society for Testing and Materials (ASTM designation E917-93).

    (2) Recommended practice for measuring Net Present Value and Internal Rates of Return for Investments in buildings and building systems. National Institute of Standards and Technology (NBSIR 83-2657).

    (3) Recommended practice for measuring Simple and Discounted Payback for Investments in buildings and building systems. National Institute of Standards and Technology (NBSIR 84-2850).

    (4) Standard practice for measuring Benefit to Cost and Savings to Investment Ratios for buildings and building systems. American Society for Testing Materials (ASTM E964-93).