We are engaged in a high-rise adaptive reuse of a middle school built in 1934. Historic is requiring the original window assemblies be restored. We are unable to find any documentation for the u-value of the existing window condition for the energy model.
Our question: We have heard from others that GBCI required documentation and/or 'certification' of existing condition.
Can you provide any guidance ? Thanks for any assistance.
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Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5909 thumbs up
July 16, 2012 - 12:35 pm
Absent any specific data you can use the appropriate values found in Table A8.2 from 90.1.