5.2.5.    STANDARDS
   The following standards shall apply to and that are affected by this . Any or created shall meet the /size standards of Table 5.2-1 except as provided below. All must be at least 300 feet from each or as delineated on the .
   A.   Single- Residential
      1.   Existing or Where No Land Division is Proposed
      The average natural cross-slope ( ) shall be calculated for the entire or . If the is 15% or greater, Columns A, B, and D of Table 5.2-1 shall apply. If the minimum land area required for the or , based on the , is greater than the area of the or , natural areas may be designated on the or , in accordance with Section 5.2.6, to reduce the percentage. Such designated natural areas shall be excluded from the calculation but shall be included in the land area for the or . (See Figure 5.2-B)
      2.   Existing or Where Land Division is Proposed
      The average natural cross-slope shall be calculated for the entire or . If the is 15% or greater, Columns A and C of Table 5.2-1 apply. Natural areas may be designated on the or in accordance with Section 5.2.6 to reduce the percentage. Such natural areas shall be excluded from the calculation but shall be included in the land area for the or . (See Figure 5.2-B)
         a.   If the land division requires a , all areas of 15% or greater within the or , except within natural areas, shall be delineated. These sloped areas shall then determine the design of the according to the following standards.
            (1)   For any proposed within the where the areas of 15% or greater shall be located outside the , the minimum standards of the underlying apply. The may be redefined to exclude areas of steeper in order to comply with this standard. shall occur only within the and access to the . for access may cross a delineated sloped area.
            (2)   For any proposed within the where the contains areas of 15% or greater , the minimum size required for that shall be one unless a greater size is required by the underlying . The amount of permitted is indicated in Column D of Table 5.2-1, based on the area of the , Column B.
            (3)   Yard for the applicable shall be applied to the entire or to each within the if the is divided into .
         b.   If a is not submitted, the land area of each created shall comply with Columns A, B, and D of Table 5.2-1.
Figure 5.2-B: Natural Areas in HDZ
   B.   Multifamily Residential
      1.   The is calculated for the entire or . If the is 15% or greater, Columns A, B, C, and D of Table 5.2-1 applies.
      2.   Natural areas may be designated on the or , in accordance with Section 5.2.6, to reduce the percentage. Such natural areas shall be excluded from the calculation but shall be included for the and calculations. (See Figure 5.2-B.)
         a.   If the of the remaining portion of the or is less than 15% and contains no areas of 15% or greater , 100% of that portion may be graded, subject to Section 5.2.7.B.1.
         b.   If the of the remaining portion of the or is less than 15% but contains areas of 15% or greater , 80% of that portion may be graded.
         c.   If the of the remaining portion of the or is 15% or greater, Columns B, C, and D of Table 5.2-1 apply, based on the entire area of the or .
 
TABLE  5.2-1: STANDARDS BASED ON
A
B
C
D
Average Natural Cross Slope (Percent)
Minimum Area ( )
Maximum (Percent)
Less Than 15
As Permitted by Underlying Zoning
15.0-15.9
1.00
1.00
40.0
16.0-16.9
1.12
0.90
36.2
17.0-17.9
1.25
0.80
32.0
18.0-18.9
1.37
0.73
29.2
19.0-19.9
1.50
0.67
21.3
20.0-20.9
2.00
0.50
20.0
21.0-21.9
2.25
0.44
17.7
22.0-22.9
2.50
0.40
16.0
23.0-23.9
3.50
0.29
13.3
24.0-24.9
4.50
0.22
11.9
25.0-25.9
6.00
0.17
9.3
26.0-26.9
7.00
0.14
9.3
27.0-27.9
8.60
0.12
9.3
28.0-28.9
10.40
0.09
9.3
29.0-29.9
12.80
0.08
9.3
30.0-30.9
16.00
0.06
8.8
31.0-31.9
23.50
0.04
6.7
32.0-32.9
31.00
0.03
6.7
33.0 and Greater
36.00
0.027
4.0
1 As determined in accordance with Section 9-01.3.0 of the Technical Standards Manual
2 Or as permitted by underlying zoning, whichever is more restrictive.
3 The following are not included when calculating the maximum permitted percentage:
1. The area for septic tanks, including the primary and secondary leachate fields.
2. The area for the minimum area needed for a with a maximum of 15%, including the minimum amount of area for a necessary turn around area.
 
   C.   Flexible Lot Development (FLD)
   The purpose of the FLD in the HDZ is to preserve the sloped areas while encouraging on the flatter portions of a or . An FLD shall meet the standards of Section 8.7.3, as well as the following standards: (See Figure 5.2-C.)
      1.   All shall be located outside the 300-foot or and the protected area shall be preserved as a natural area as provided in Section 5.2.6, Natural Areas;
      2.   The FLD application may be used for either single- or multifamily . In order to apply the FLD, the of the area to be developed shall be less than 15%. This may require excluding steeper as natural areas in order to reduce the of the remaining portion. Such natural areas shall be excluded from the calculation but shall be included for and calculations. shall be regulated by the underlying , based on the entire area; and,
      3.   For property within the HDZ, sloped areas in excess of 15% with an area greater than or equal to 7,000 square feet shall be delineated and set aside as and designated as common area.
Figure 5.2-C: Flexible Lot Development in HDZ
   D.   Nonresidential
      1.   The shall be calculated for the entire or . If the is 15% or greater, Columns A, B, and D of Table 5.2-1 apply. Column C does not apply.
      2.   Natural areas may be designated on the or , in accordance with Section 5.2.6, to reduce the percentage.
         a.   If the of the remaining portion of the or is less than 15% and contains no areas of 15% or greater , 100% of that portion may be graded, subject to Section 5.2.7.B.1.
         b.   If the of the remaining portion of the or is less than 15% but contains areas of 15% or greater , 80% of that portion may be graded.
         c.   If the of the remaining portion of the or is 15% or greater, Columns B and D of Table 5.2-1 shall apply, based on the entire area of the or .
   E.   Mixed
   When a mix of is proposed, each type of shall meet all standards for that , as required by this section.