Section 119-12 - Tier I Submission Requirements
For all developments , enlargements or site alterations on Tier I sites , the following materials shall be submitted to the Department of Buildings. However, the submission requirements set forth herein shall not apply to an enlargement of an existing residential building , provided that such enlargement does not increase the lot coverage of said building . No building permit shall be issued until the Department of Buildings determines that the requirements of the Special Hillsides Preservation District have been met.
(a) A survey map prepared by a licensed surveyor showing topography at two-foot contour intervals and indicating the existing slope of the land, as it occurs, in categories of 10–14 percent, 15–19 percent, 20–24 percent, 25 percent and greater; the location of existing buildings or other structures , patios, decks, swimming pools, walkways, driveways and private roads , including sidewalks and other impervious surfaces; and the location, caliper and species of all trees of six-inch caliper or more on the zoning lot and in the sidewalk area of the adjacent streets .
(b) A site plan prepared by a registered architect or professional engineer indicating the location of all existing buildings or other structures ; the location of all proposed buildings or other structures ; the location of existing and proposed patios, decks, swimming pools, walkways, driveways and private roads , including sidewalks and other impervious surfaces; the location of any steep slopes , steep slope buffer areas and the staging area ; and the location, caliper and species of all trees of six-inch caliper or more on the zoning lot and in the sidewalk area of the adjacent streets . The site plan shall identify those trees proposed to be removed and those trees proposed to be preserved, indicating, for the latter, the critical root zone .
(c) A tree-planting plan, prepared by a registered landscape architect, indicating the location and species of all new plantings, and indicating the location of and the critical root zone around all trees proposed for preservation.