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20
<br />DEVELOPMENT OF SLIDING SCALE
<br />A. Zoning .Districts with Minimum Lot Size = 40,000 Square Feet
<br />Table A1. Minimum lot required for private road subdivision providing at least 33% open space.
<br /> Lot size is decreased by Area is The effective
<br /> increments of 2,352.94 sq. ft. based on a density or
<br /> and rounded to nearest whole 12-lot number of acres
<br /> number. 2,352.94 sq. ft. is the subdivision per each
<br /> difference between $0,000 sq. ft. (max. buildable lot is
<br /> (max. lot ,size) and 40,000 sq.ft. number of calculated by
<br /> (min. lot size) divided by the lots dividing the total
<br /> number of integral increments permitted acreage in the
<br /> between 33% and 50% with a subdivision by
<br /> private the number of
<br /> road). units allowed
<br />A B C D E F
<br /> Starting with X = 80,000 sq. ft. at
<br /> 33% open space, C = 12 ~" B D = A~`E E = C/(1-A) F = (E/12)
<br /> B = X minus, /43,560 sq.ft
<br /> (80,000 sq.ft.- 40,000 sq.ft.)
<br /> /(5D-33)
<br /> Min. lot size. Lots Open Total sq. ft. Acres/DU
<br />open (sq. ft.) (sq. ft). space -
<br />space (sq. ft.)
<br />0.33 80,000 960,000 472,836 1,432,836 2.7
<br />0.34 77,647 931,765 4$0,000 1,411,765 2.7
<br />0.35 .75,294 903,529 486,516 1,390,045 2.7
<br />0.36 72,941 875,294 492,353 1,367,647 2.6
<br />0.37 70,5$$ 847,059 497,479 1,344,53$ 2.6
<br />0.38 68,235 81.$,$24 501,$60 1,320,683 2.5
<br />0.39 65,882 790,588 505,458 1,296,046 2.5
<br />0.40 63,529 762,353 50$,235 1,270,5$$ 2.4
<br />0.41 61,176 734,118 510,150 .1,244,267 2.4
<br />0.42 58, 824 705, 882 511,156 1,217, 039 2.3
<br />0.43 56,471 677,647 511,207 1,188,854 2.3
<br />0.44 54,11$ 649,412 510,252 1,159,664 2.2
<br />0.45 51, 765 621,176 508,235 1,129,412 2.2
<br />0.46 49,412 592,941 505,098 1,09$,039 2.1
<br />0.47 47,059. 564,706 500,777 1,065,483 2.0
<br />0.48 44,706 53fi,471 495,204 1,031,674 2.0
<br />0.49 42,353 508,235 488,304 996,540 1.9
<br />0.50 40,000 480,000 480,000 960,000 . 1.$
<br />The seventeen divisions in the preceding chart would be cumbersome to use. The following
<br />chart simplifies the sliding scale into four increments for minimum lot size according to
<br />percentage of preserved open space.
<br />
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