important alert
State closes I-5 southbound at Rose Quarter for 5 weeks starting Sept. 11

Plan for major delays. More at i5rosequarter.org. Visit Shift Your Trip to keep Portland moving.

informational alert
Portland is a Sanctuary City

Structural Design Requirements for Miscellaneous Structures

Label: Information
Get information about structural engineering and miscellaneous structures.

Transmission and cell towers

Determine design loads using the Structural Standard for Antenna Supporting Structures, Antennas, and Small Wind Turbine Support Structures (TIA-222-I). The structural design must account for atmospheric ice loads and increased wind loads on ice-covered sections.

Signs and fabric-covered awnings

Signs and fabric-covered awnings are governed by the City of Portland Title 32 Signs and Related Regulations

Floating structures

Floating Structures are governed by the City of Portland Title 28 Floating Structures.

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