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Proposed LPDs (w/o occupancy sensor credit) that exceed the baseline are shown in red for. Maximum Lighting Power Density (W/sq.ft.) Allowed Per Version of the ASHRAE/IES 90. Reference Tables A8.1A and A8.1B of ASHRAE 90.1 as necessary. ASHRAE/IES 90.1 Lighting power allowances using the Building Area Method. BSR/ASHRAE/IES Addendum bb to ANSI/ASHRAE Standard 90.1-2016, Energy Standard for Buildings Except Low-Rise Residential Buildings First Public Review Draft. The following information is useful for lighting and energy professionals in comparing savings with LED tubes and LED fixtures over existing and allowed averages across different property types. Table 9.6.1 Lighting Power DensityAllowances Using the Space -by Space Method and Minimum Control Requirements Using Either Method. This data sets the foundation for how commercial LED lights can dramatically reduce energy costs for different building types relative to the standard ASHRAE watts per sq ft.
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