137-51 - Authorization for Development of Single Buildings and Enlargements LAST AMENDED 9/7/2017 The City Planning Commission may authorize a horizontal #enlargement#, or a #development# consisting of no more than one #building# containing a non-#accessory# #use#, on one or more #zoning lots#, and may modify the #bulk# regulations of the underlying district, except #floor area ratio# regulations, provided that: (a) the site plan, to the extent practicable, minimizes the need for new paving and impervious surfaces upon the #zoning lot#; (b) the site plan provides access to the new or #enlarged building# using #streets# that were improved and open to traffic on the date of application for an authorization, and which serve other occupied #buildings#; (c) the site plan, to the extent practicable, minimizes adverse effects on wetlands, planned open space, drainage, or other functions in the surrounding area; (d) the resulting #building# and other site improvements would not impair the essential ecological character of the surrounding area for its future use as open space; (e) the site plan and resulting #building# incorporate such measures as are reasonable to minimize risks to public safety from natural hazards such as flooding and wildfires; and (f) where the Commission is modifying #bulk# regulations, such modifications are the minimum necessary to protect, or provide buffering from, wetlands or wetland-adjacent areas. The Commission may prescribe additional conditions and safeguards to minimize adverse effects on the character of the surrounding area.