Hubbell now lists four 2-7/8-inch RS2875.203 round-shaft extensions (0.203-inch wall; 3.5, 5, 7 and 10 ft, catalog numbers C2784300CU through C27841000CU) as building-code evaluated under ICC-ES report ESR-2794, which covers the IBC and IRC. The current list of code-evaluated CHANCE products is on Hubbell's building-code reports page.

Hubbell now lists four 2-7/8-inch RS2875.203 round-shaft extensions (0.203-inch wall; 3.5, 5, 7 and 10 ft, catalog numbers C2784300CU through C27841000CU) as building-code evaluated under ICC-ES report ESR-2794, which covers the IBC and IRC. The current list of code-evaluated CHANCE products is on Hubbell's building-code reports page.
Building officials check parts by catalog number, so installers can now use these extensions on permitted jobs without substituting a different code-listed part.
Source: CHANCE Foundation Solutions (Hubbell). Summary written by the Helical Pile USA editorial team.