Addendum # issued 12/9/22 - Due date changed to 12/27/2022
The ARRC is soliciting proposals to provide engineering services to rehabilitate the Portage tunnel F5.8 and its applicable components as to renew this asset’s state of good repair, and result in the tunnel meeting current design criteria to assure serviceability for the next several decades, consistent with ARRC Standards.

The services within this contract will be phased. The initial contract will consist of Phase 1 services which will consist of preliminary engineering through the NEPA process as described in the Scope of Work.

ARRC reserves the right to negotiate and add Phase 2 services which will consist of final design through construction services.

Pre-Proposal Conference: A pre-proposal conference will be held on December 6, 2022 at 11:00 AM local time via WebEx. (see page 2 of the solicitation).

Proposals will be received until 3:00 PM LOCAL TIME on Tuesday, December 13, 2022 via Dropbox