Portland City Code ch. 14

Citation: Portland City Code ch. 14
Parent Document: Portland City Code ch. 14
Jurisdiction: Portland (municipal)
Original Source: https://www.portlandmaine.gov/asset/ae8cabd1-66eb-4a1c-9224-92bbca5e792f ↗

Full Text

4,126 chars

except where the applicant demonstrates that no a road or driveway to provide access to
reasonable alternative exists. Damaged or permitted uses within the district. A road or
destroyed public utility transmission and driveway may also be approved by the Planning
distribution lines, towers, and related equipment Board in a Resource Protection Zone, upon a
may be replaced or reconstructed without a permit. finding that no reasonable alternative route or
location is available outside the district. When
11.4.10 Roads and driveways a roadway or driveway is permitted in a
A. Roads and driveways shall be setback a Resource Protection Zone the road and/or
minimum of 75 feet from the normal high- driveway shall be setback as far as practicable
water or upland edge of a coastal wetland, from the normal high-water line of a water
freshwater wetland, river or tributary stream body, tributary stream, or upland edge of
within a Shoreland Zone, except: wetland.
1. In the EWPZ, WCZ, WPDZ, B-3, B-5/B-5b, I-L D. Road and driveways banks shall be no steeper
(on-peninsula) and I-M (on-peninsula) than slope of two horizontal to one vertical and
roads and driveways shall be setback as shall be graded and stabilized in accordance
established for structures in those zones as with the provisions for erosion and
specified in Subsection 11.4.1(A). sedimentation control contained in Subsection
2. If no other reasonable alternative exists, 11.4.4.
the Planning Board may reduce the road E. Road and driveway grades shall be no greater
and/or driveway setback requirement to no than 10% except segments of less than 200
less than 50 feet, horizontal distance, upon feet.
clear showing by the applicant that F. In order to prevent road and driveway surface
appropriate techniques will be used to drainage from directly entering water bodies,
prevent sedimentation of the water body, tributary streams, or wetlands, roads and
tributary stream or wetland. Such driveways shall be designed, constructed, and
techniques may include, but are not limited maintained to empty onto an unscarified buffer
to, the installation of settling basins, and/or strip at least 50 feet plus two times the average
effective use of additional ditch relief slope, in width between the outflow point of
culverts and turnouts place so as to avoid the ditch or culvert and the normal high-water
sedimentation of the water body, tributary line of a water body, tributary stream, or upland
stream, or wetland. edge of a wetland. Surface drainage which is
B. Existing public roads may be expanded within directed to an unscarified buffer strip shall be
the legal road right of way regardless of their diffused or spread out to promote infiltration
setback from a waterbody, tributary stream, or of the runoff and to minimize channelized flow
wetland. of the drainage through the buffer strip.
C. New roads and driveways are prohibited in a G. Ditch relief (cross drainage) culverts, drainage
Resource Protection Zone except that the dips, and water turnout shall be installed in a
Planning Board may grant a permit to construct manner effective in directing drainage onto CITY OF PORTLAND LAND USE CODE | 11-7 SHORELAND ZONE

Other Sections in This Document (541)

Full Text