Portola Valley, California · General provision

18.50.041

Extracted standards

1 individual requirements pulled out of this section’s prose, each with the sentence it came from.

Other

  • Slope calculation formula

    S = 0.00229 IL / A, where I is interval of measured contours, S is average cross slope of parcel in percent.

From the ordinance

The slope of a parcel shall be measured using the following formula and either the town topographic map, dated August 22, 1968, with a scale of one inch equals two hundred feet, or a topographic map with an accuracy acceptable to the administrative official and a scale in which one inch equals no more than two hundred feet. The formula is: S = 0.00229 IL / A
18.50.041