Hubbell added 2-7/8-inch round-shaft cold-upset extensions (0.203-inch wall) to its ICC Evaluation Service report ESR-2794, so the parts are recognized under the IBC. Specifiers can check the current list of code-approved CHANCE products on Hubbell's building-code reports page.

Hubbell added 2-7/8-inch round-shaft cold-upset extensions (0.203-inch wall) to its ICC Evaluation Service report ESR-2794, so the parts are recognized under the IBC. Specifiers can check the current list of code-approved CHANCE products on Hubbell's building-code reports page.
Evaluation reports determine which systems building officials will accept.
Source: Helical Pile World. Summary written by the Helical Pile USA editorial team.