Definition: Daylight Evaluation Chart (DEC) (Applicable from 81-271, 81-272, 81-273, 81-274, 81-275, 81-276, 81-277)
A graphic tool which permits objective measurements of portions of sky blocked by a building when it is viewed from a vantage point . There are three daylight evaluation charts for use with street widths of 60 feet, 75 to 80 feet and 100 feet and over, respectively. All buildings are drawn on the appropriate daylight evaluation chart to evaluate their compliance with the regulations of Section 81-27 (Alternate Height and Setback Regulations—Daylight Evaluation). These three daylight evaluation charts are in Appendix B of this Chapter. A fourth chart in Appendix B is available for use with qualifying sites in the East Midtown Subdistrict, as defined in Section 81-613 , with frontage along Park Avenue.