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NC-2009 EAc5:Measurement and Verification

overall accuracy, anticipated areas of error susceptibility

There is a review comment in my project as follows: It appears that the M&V plan provided does not specify the expected overall accuracy, anticipated areas of error susceptibility, and magnitude of the sensitivity. Provide a revised M&V plan that identifies the expected overall accuracy, anticipated areas of error susceptibility and magnitude of the sensitivity. Actually i have inclued these information in the M&V plan as monthly and hourly MBE +-5%, Cv +-15% according to ASHRAE Guideline 14 etc.

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Fri, 03/10/2017 - 15:11

Sounds like you have addressed the issue. Maybe the reviewer missed it. Simply point it out to them in reply.

Mon, 03/13/2017 - 02:32

Thanks for your reply. I also want to know if the expected overall accuracy, anticipated areas of error susceptibility, and magnitude of the sensitivity refer to MBE and Cv? Because i haven't seen the three concepts in ASHRAE Guideline14.

Tue, 03/14/2017 - 18:28

They address the accuracy and sensitivity. The anticipated areas of error susceptibility would require a narrative. I generally don't put much emphasis on that issue but it is usually pretty easy to address. The biggest one is just the accuracy of the model as a predictor. Data errors another.

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