We note that the prescriptive method for IEQc8.1 allows view preserving automated shades to be used as a glare control device, and that in the sidelighting section of theTable IEQ-1 spreadsheet, answering “yes” in the view preserving automated shade column allows the zone floor area to count toward the credit even if VLTxWFR > 0.18. For this and other reasons, we are considering electrically operated shades for our high-rise multi-family residential project. However, in attempting to specify a control system, we note that “automated” can be interpreted in different ways and we see that there are few specifics in the LEED Reference Guide relating to this part of the credit. Are there any established precedents or minimum criteria governing the operation and control of the shades?
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TODD REED
Energy Program SpecialistPA DMVA
LEEDuser Expert
889 thumbs up
October 21, 2013 - 8:33 am
Automated shades must have a sensor that recognizes a certain level of illuminance and then automatically lowers the shades. There should be a manual override.
When submitting, ensure you provide a floor plan indicating the location of the automatic shades, the sensors. Provide a sequence of operation for shades, cut sheets, and a brief narrative.