2678-22 Ordinance - Steep Slope - Amended Rev. 5 (002).pdf

9 7. Any fill placed on the lot shall be properly stabilized and, when found necessary, depending upon existing slopes and soil types, supported by retaining walls and other appropriate structures as approved by the Township Engineer. 8. Sidewalk, driveways, new streets and walkway slopes shall not exceed 6% unless a ramp and steps are provided, except where superseded by the Residential Site Improvement Standards. 9. There shall be no alteration of site elevations in excess of one foot within five feet of an adjoining property. 10. Changes in the grade shall not exceed slope of three to one unless supported by retaining walls. 11. Retaining walls will comply with the applicable wall height requirements for the zone in which the property is located. All retaining walls greater than four feet in height shall require a variance and certification by a professional engineer that the wall was constructed in accordance with approved plans. 12. Fill material shall not consist of or include organic material, nor rocks greater than eight inches in diameter. Fill material shall be compacted to 90% of the maximum density. 13. Reasonable efforts shall be made to conserve topsoil which is removed during construction for later use on areas requiring vegetation of landscaping; e.g. cut and fill slopes. 14. No structure on the slope shall be located within 60 feet of the bottom of the cliff. 15. Design guidelines: Structures shall be built on the lesser slopes. No structure shall be built on the talus slope of the cliff face. 16. Tree removal on the site shall be subject to the Township's Tree Protection Ordinance § 25-27. 17. Vegetation and Revegetation. (a) The developer shall submit a stabilization and revegetation plan in accordance with Chapter 30. (b) Every effort shall be made to conserve topsoil which is removed during construction for later use on areas requiring vegetation or landscaping, e.g., cut and fill slopes. (c) Every effort shall be made to preserve the maximum number of trees and other existing vegetation on the site and to avoid disturbance of the critical upland forest area, and to preserve unique and predominant