Transmission and cell towers
Design loads shall be determined per Structural Standards for Antenna Supporting Structures and Antennas (TIA/EIA-222-G). The structural design must account for atmospheric ice loads and increased wind load on ice-covered sections.
Signs and fabric-covered awnings
Signs and fabric-covered awnings are governed by City of Portland Title 32.
- Signs: Structural design per Title 32.42.010.
- Fabric Covered Awnings: Structural design per Title 32.52.010.
Floating Structures are governed by the City of Portland Title 28.