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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Ordinances. All private sewage disposal or private       B.    In the I-H and I-Hb zones, where a front yard
wastewater treatment facilities shall comply with              abuts an arterial or a major collector street, it
the provisions of Chapter 24.                                  shall be landscaped. Rear yards, side yards, and
                                                               the perimeter of any parking area for greater
6.8.4 Electromagnetic interference                             than 15 vehicles shall be landscaped if visible
In any industrial zone, there shall be no                      from a right-of-way, public open space, or
electromagnetic interference that adversely affects            residential zone.
the operation of any equipment other than that
belonging to the creator of such interference.           6.8.9 Noise
                                                         A.    The maximum permissible sound level of any
6.8.5 Exterior lighting                                        continuous, regular, or frequent source of
All exterior lighting shall be designed and installed          sound produced by an activity shall be as
with full cut-off fixtures to direct illumination onto         shown in Table 6-G.
the site and to prevent illumination from such           B.    For any noise generated by a use in the B-5/B-
fixtures on neighboring properties.                            5b, B-6, B-7, I-L/I-Lb, I-M/I-Mb, and I-H zones,
                                                               sound shall be measured at or within the
6.8.6 Heat, glare, radiation                                   boundaries of any residential zone. For any
Heat, glare, or radiation shall be imperceptible               noise generated by a use in the B-1/B-1b, B-2/B-
without instruments at lot boundaries and shall not
present a safety hazard.                                  TABLE 6-G: NOISE STANDARDS
                                                                                Daytime/Evening         Night
6.8.7 Historic resources                                               Zone     (7 a.m.-9 p.m.)         (9 p.m.-7 a.m.)
The exterior design of proposed or renovated                             I-B    60 dBA                  55 dBA
structures located within historic districts shall be                    R-P    55 dBA                  55 dBA
subject to the historic preservation provisions of                      O-P     60 dBA                  60 dBA
Article 17. The exterior design of proposed or                     B-1/B-1b     55 dBA                  55 dBA
renovated structures located adjacent to historic             B-2/B-2b/B-2c     60 dBA                  55 dBA
districts or historic resources shall be subject to           B-3/B-3b/B-3c     60 dBA                  55 dBA
historic preservation requirements of Article 14.
                                                                         B-4    65 dBA                  60 dBA
                                                              B-5/B-5b, B-6,    60 dBA                  50 dBA
6.8.8 Landscaping and screening
                                                                        B-71
A.   In all mixed-use zones, the O-P zone, the R-P
                                                                    I-L/I-Lb1   60 dBA                  50 dBA
     zone, and the A-B zone outside of restricted
                                                                  I-M/I-Mb1     70 dBA                  55 dBA
     access areas, sites shall be landscaped to
                                                                   I-H/I-Hb1    75 dBA                  55 dBA
     screen parking and accessory site elements,
                                                                         A-B    60 dBA                  60 dBA
     including storage and solid waste receptacles,
     from the right-of-way, public open space, or                    IS-FBC     60 dBA                  55 dBA
                                                           Daytime/evening noise regulations shall extend until 10 pm,
     abutting residential zones.                          after which time nighttime noise regulations shall apply. 6-40 | CITY OF PORTLAND LAND USE CODE USE STANDARDS
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