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194 <br /> Open space ratios which apply in industrial districts are <br /> listed below. The ratios have also been applied to a <br /> 3—acre parcel to illustrate variations in required open <br /> space. <br /> REQUIRED <br /> ZONING ''DISTRICT OSR OPEN SPACE (1) <br /> Existing Industrial (EI ) <br /> Lot-by—lot .83 108,464 SF - <br /> Light IIndustrial (I-1 ) <br /> Lot—'by—lot .83 108,464 SF . <br /> P lanlned Development .82 107,158 SF <br /> Medium Industrial (I--2) <br /> Lot—by—lot .74 96 ,703 SF <br /> Planned Development .73 95,396 SF <br /> Heavy Industrial (I-3) <br /> Lot—by—lot .72 94,090 SF <br /> Planned Development .72 94,090 SF <br /> NOTE: (1 ) Number of square feet of open space <br /> derived by multiplying Land area x open space <br /> ratio (OSR) applying to the Lot . <br /> FLOOR AREA VS . OPEN SPACE REQUIREMENTS <br /> The actual amount of Land which may be covered by <br /> building is determined in EI and I-1 districts by the <br /> FAR . In contrast , the OSR determines building coverage <br /> in I-2', and I--3 districts . The table be Low illustrates <br /> this difference through application to a 3—acre parcel , - <br /> PERMITTED GROSS BUILDING COVERAGE <br /> ZONING DISTRICT FLOOR AREA—FAR LIMITATION—OSR <br /> Existing Industrial. (EI ) <br /> Lot—by—Lot 8 , 233 SF (6 .3) 22,216 •SF (17 .0) <br /> Light Industrial (I-1 ) <br /> Lot—by—lot 8 , 233 SF (6 .3) 22,216 SF (17.0) <br /> PD 9 ,408 SF(7 .2) 23,522 SF (18.0) <br /> Medium Industrial (I-2) <br /> Lot-by—tot 36 ,982 SF(2B .3] 85 ,977 SF (26 .0) <br /> PD 42,471 SF (32.5) 35, 284 SF(27.0) <br /> Heavy Industrial (I-3) <br /> Lot—by—lot 52, 272 SF(40 .0) 36 ,590 SF (29 .0) <br /> PD 59,982 SF (45 .9) 36 ,590 SF( 28 .0) <br /> NOTE: Areas shown in blocks represent building coverage <br /> limitations imposed by ordinance provisions . <br /> I <br /> 1 <br />