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(2) Steep Slope Protection. 642.1
(.1) These steep slope protection standards shall apply to all site clearing and earth moving in all zoning districts located within the "Steep Slope Protection Area", as shown on the City of Philadelphia Steep Slopes Map maintained by the Commission. The steep slopes map shown below is for illustrative purposes only. Such lots must also contain the following:
(.a) A disturbance of lot area greater than 1,400 sq. ft. or on which the proposed activity will increase impervious ground cover on the lot by more than 1,400 sq. ft.; and
(.b) Slopes of fifteen percent (15%) or greater on any lot or portion(s) thereof.
(.2) When an application for a permit under this Zoning Code includes any land that is located within the "Steep Slope Protection Area" of the City of Philadelphia Steep Slopes Map, prerequisite approval from the Commission is required per § 14-301(3)(c)(.1)(.j). The City may require that the applicant submit a topographic survey, prepared by a licensed engineer or surveyor, confirming the locations of slopes of fifteen percent (15%) or greater, as well as a plan showing the limit of earth moving or site clearing activities.
(b) Restrictions on Disturbance.
(.1) On those portions of the lot where the slope of the land is fifteen percent (15%) or greater but less than twenty-five percent (25%), site clearing or earth moving activities shall be permitted only in conformance with an earth moving plan described in § 14-704(2)(c) below.
(.2) On those portions of the lot where the slope of land is twenty-five percent (25%) or greater, no site clearing or earth moving activity is permitted.
(c) Earth Moving Plans. 642.2
Where an earth moving plan is required pursuant to any provision of this Zoning Code, that plan must be prepared by a professional engineer who is licensed in the state of Pennsylvania, in accordance with regulations approved by the Commission, and must set forth the measures by which erosion and sedimentation are to be controlled during the earth moving and construction process. Such plans shall be filed with and approved by the Commission before the Department may issue a zoning permit. A professionally-sealed earth moving plan must be maintained on site for the duration of earth moving and construction, and must be available for inspection by the City during normal business hours.
Amended, Bill No. 200160 (approved October 15, 2020).
Amended, Bill No. 210075 (approved March 29, 2021).