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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.
- Signs: Structural design per 32.42.010 Construction and Structural Requirements.
- Fabric Covered Awnings: Structural design per 32.52.010 Structural Standards.
Floating structures
Floating Structures are governed by the City of Portland Title 28 Floating Structures.