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Series 100 — INTRODUCTORY PROVISIONS›Article 103 — RULES OF MEASUREMENT

103.07: DETERMINING AVERAGE SLOPE:

Porterville Zoning Code · 2026-07 edition · updated 2026-07-09 · Porterville

The average slope of a parcel is calculated using the following formula:

S = 100(I)(L)/A, where:

A. S = Average slope (in percent).

  • B. I = Contour interval (in feet).

  • C. L = Total length of all contour lines on the parcel (in feet).

  • D. A = Area of subject parcel (in square feet). (Ord. 1801, 12-3-2013)

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▸ Contents — Porterville Zoning Code
Porterville Zoning Code
  1. ▸ Series 100 — INTRODUCTORY PROVISIONS
    Overview
    1. Article 100 — TITLE, COMPONENTS, AND PURPOSES
    2. Article 101 — ZONING DISTRICTS, ZONING MAP, AND BOUNDARIES
    3. Article 102 — RULES FOR CONSTRUCTION OF LANGUAGE
    4. ▸ Article 103 — RULES OF MEASUREMENT
      Overview
      1. 103.01: PURPOSE:
      2. 103.02: GENERAL PROVISIONS:
      3. 103.03: FRACTIONS:
      4. 103.04: MEASURING DISTANCES:
      5. 103.05: MEASURING HEIGHT:
      6. 103.06: MEASURING LOT WIDTH AND DEPTH:
      7. 103.07: DETERMINING AVERAGE SLOPE:
      8. 103.08: DETERMINING FLOOR AREA:
      9. 103.09: DETERMINING FLOOR AREA RATIO:
      10. 103.10: DETERMINING LOT COVERAGE:
      11. 103.11: DETERMINING LOT FRONTAGE:
      12. 103.12: DETERMINING SETBACKS (YARDS):
      13. 103.13: MEASURING SIGNS:
  2. Series 200 — BASE DISTRICTS
  3. Series 300 — ADDITIONAL USE AND DEVELOPMENT REGULATIONS
  4. Series 400 — LAND DIVISIONS
  5. Series 500 — OVERLAY DISTRICTS
  6. Series 600 — ADMINISTRATION AND PERMITS
  7. Series 700 — GENERAL TERMS

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