Hi, I am working on a commercial project that consists of retail units on the ground floor and offices on the levels above.Currently the base build does not show and ten ant metering for the retail units - the retail units will consist of a grey box with just an electrical connection. In relation to the offices above there will be tenant electrical distribution boards with two meters inside. One meter will be for the tenant lighting and the other meter will be for all other electrical services (fan coil units plus office equipment loads). Is this sufficient level of metering or are we a little short here to comply. Should we really have three electrical meters per tenant board (for lighting, office equipment and Hvac loads). Also the fact that there is no metering in the grey box retail units will we struggle here ?
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Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5909 thumbs up
September 28, 2016 - 5:21 pm
You only need to have the metering infrastructure in place for metering electicity. Submeters of electrical energy end use are not required.Boxes intended for utility meters are fine.
Ciaran McCabe
DirectorPassive Dynamics Sustainability Consultants
12 thumbs up
September 28, 2016 - 5:52 pm
Thanks Marcus. So we only need to meter the electrical feed to each tenant. We do not need to sub meter lighting , receptacle loads etc. I presume this remains the case regardless of whether the tenant takes to whole building or if it's multi tenant.
Would option D calibrated model require more extensive metering ?
Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5909 thumbs up
September 28, 2016 - 5:59 pm
Correct, not need to submeter end uses.
Yes the metering needed for a calibrated model is covered by CS EAc5.1, not 5.2.