The LEED v4 Reference Guide offers three was of determining equipment efficiencies, distribution losses, and distribution pumping energy: Monitored data, engineering analysis, and default values. The monitoring and default value paths are fairly well explained. However, the engineering analysis method is not. I am wondering, what would be included in an "engineering analysis" of a central plant. Specifically, the thermal distribution losses. Our client has fairly extensive monitoring for the plant itself, but little building-level metering. Without building metering, it is difficult to gauge losses between what comes out of the plant and what goes into the building. The only thing I can think of is a high-level evaluation of pipe quantity, sizes, insulation levels, and heat loss to come up with a general idea of distribution losses, but I'm not sure if this is an adequate "engineering analysis." Does anyone have any further insight as to what an "engineering analysis" entails?
Heapy Engineering
LEEDuser Basic Member
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