Tower Construction

AIR provides the following codes for tower construction:

While Coverage C (content) is not supported for most of the 200-series construction class codes, it is, supported for Inland Transit (construction code 259) and for some other construction codes, such as tanks and pipelines. For the full list of supported combinations, refer to the "Const. & Occ. Combin." tab in each model supplement.

Construction Code	Category	Description
234	Electrical Transmission - Conventional	Steel towers under 100 feet high designed to hold up electrical transmission lines
235	Electrical Transmission - Major	Steel towers over 100 feet high designed to hold up electrical transmission lines
236	Broadcast Towers	Steel towers designed to carry radio, TV, or cell phone transmission equipment
237	Observation Towers	Elevated towers designed for people to look out of, such as airport control or fire observation towers
238	Offshore Towers	Offshore towers are towers with a platform that are anchored to the ground under the ocean

Touchstone 7.0 Updated September 03, 2020