Portland City Code ch. 14 (Land Use Code)

Citation: Portland City Code ch. 14 (Land Use Code)
Jurisdiction: Portland (municipal)
Source: Official source
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13.6.4 Site design standards C. Snow and ice loading. All development shall
A. Massing, ventilation, wind, and heat impact be designed to prevent significant amounts of
1. The bulk, location, or height of proposed accumulated snow and ice from loading or
buildings and structures shall not result in falling onto adjacent properties or public ways.
health or safety problems from a reduction D. View corridors. The massing, location, and
in ventilation to abutting structures or height of development shall not substantially
changes to the existing wind climate that obstruct public view corridors identified in the
would result in unsafe wind conditions for City of Portland Design Manual.
users of the site and/or adjacent public E. Historic resources
spaces. 1. When a development affects a designated
2. Development shall locate all HVAC venting landmark or lies within a designated
mechanisms to direct exhaust away from historic district or historic landscape
public spaces and residential properties district, such development shall be
directly adjacent to the site. required to obtain historic preservation
3. In proposed buildings or additions with an approval under Article 16.
aggregate roof area greater than 2,000 2. All development shall document and
square feet, measured horizontally, and, protect state or local archaeological
for residential projects, greater than nine resources known to exist or discovered on
residential units, a minimum of 75% of the the site.
roof area must meet the following “cool a. Protection may include leaving
roof” Solar Reflective Index (SRI) archaeological resources untouched
standards: beneath a new development through
a. Roofs with a slope less than 2:12: SRI of adaptation of foundation design or
82+ (initial)/64+ (3-year aged) architectural