[1] Site plan of property at a scale of one inch equals 50 feet indicating existing grades with contour lines at two-foot intervals and proposed grades within the area of the proposed construction.
[2] Landscaping plan indicating proposed paved areas, storm drainage facilities, retaining walls, and ground cover, as well as the locations of trees and ornamental shrubs.
[3] Plans showing a cross-section of the building in relation to the slopes.
[4] A statement prepared by a licensed architect, registered landscape architect, or professional engineer stating an explanation of the methods to be used in overcoming foundation and other structural problems created by slope conditions, in preserving the natural watershed, and in preventing soil erosion.
[5] A plan submitted under the seal of a licensed professional engineer, registered surveyor or registered landscape architect showing and certifying the following:

[a] All existing and proposed natural and artificial drainagecourses and other features for the control of drainage, erosion and water.
[b] The calculated volume of water runoff from the slopes and from the lot in question, as unimproved.
[c] The calculated volume of water runoff from the slopes and from the lot in question, as improved.
[d] The existence, location, and capacity of all natural and artificial drainagecourses and facilities within 500 feet of the lot, which are or will be used to carry or contain the water runoff from the slope and the lot.
[e] The effect of any increased water runoff on all adjacent properties and any other property that will be materially affected by increased water runoff.
 

See Forms and Documents for permit information.