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 ↗

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TABLE 5-F: INDUSTRIAL AND AIRPORT ZONE PURPOSE STATEMENTS
I-L & To provide areas in which low-impact industrial uses, and limited other uses serving employees and residents of
I-Lb the surrounding neighborhood, will be compatible with adjacent residential uses, will provide a buffer between
residential neighborhoods and higher impact industrial zones, or will stand alone as a smaller scale industrial
district. The I-L zone is located adjacent to residential neighborhoods, business uses and other industrial uses
where the low-intensity nature of the uses, as well as their strict performance standards, will ensure the
compatibility of the uses with other adjacent industrial and nonindustrial uses. Performance standards for uses in
the I-L zone are designed to maintain compatibility between low impact industrial uses and neighboring
nonindustrial and industrial uses.
I-M, I- To provide zones in areas of the city in which low- and moderate-impact industries and transportation-related
Ma, & uses will coexist. I-M and I-Ma zones are located on arterials or collectors. The I-Mb zone is similarly located on
I-Mb the peninsula. These locations provide for direct access onto arterials, thereby protecting residential
neighborhoods from drive-through traffic. The purpose of the I-M, I-Ma and I-Mb industrial zones is also to
provide for larger industrial buildings and for the limited or controlled use of areas outside of structures for
storage of materials and machinery. These facilities often require large volumes of imported materials and
products which result in large volumes of shipping and receiving. Often uses may be highway-oriented and
transportation-related, thus relying on citywide and regional transportation infrastructure. Industrial uses in
these moderate-impact industrial zones may require separation from higher-impact uses.
I-H & To provide areas suitable for higher impact industrial uses than are permitted in other industrial zones and other
I-Hb uses that are capable of demonstrating, through design, layout and topography, their compatibility with, or non-
intrusion on, existing or future higher impact industrial uses on adjacent or neighboring I-H zoned properties.
Due to the intensity of use, the I-H zones are intended for uses which may require extensive outdoor storage and
usage and may utilize heavy equipment. Processes may require separation from residential or sensitive
environmental areas. The I-H zones are separated from other nonindustrial uses as well as natural or constructed
features. High-impact industrial uses will be of a higher intensity, with a greater lot coverage, than the other
zones.
A-B To provide an area for the development of airport-related enterprises. Appropriate uses permitted in this zone
are those customarily associated with the operation of the airport terminal and individual airlines and accessory
uses to provide for the comfort and convenience of the airport’s patrons and employees.

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