RFP 2026-80 Sandy River Force Main River Crossing Project â?? Progressive Design-Build

Clackamas Water Environment Services (District or Owner) is soliciting Proposals from those entities (Proposers) interested in contracting to serve as the Design-Builder for the design and construction of the Sandy River Force Main River Crossing Project (Project). The Owner is using Progressive Design-Build delivery for the Project.

The Project is to be designed and constructed in two phases:

• Phase 1: Prepare design to 60% complete and a Guaranteed Maximum Price (GMP) proposal.
• Phase 2: Complete design, construction and post-construction tasks, including performance testing, and startup commissioning (if GMP proposal is accepted by the Owner.).

The goal of this project is to design and construct the Project by December 2027.

The Sandy River Force Main River Crossing Project (Project) includes the planning, design, permitting, and construction of a permanent replacement for the existing Sandy River force main crossing and associated infrastructure.

The Work includes, but is not limited to:

• Design and construction of a new force main crossing of the Sandy River
• Evaluation and selection of optimal alignment and trenchless crossing method
• Abandonment, removal, or decommissioning of the existing force main crossing
• Modifications to the Sandy River Lane Pump Station and/or Timberline Rim Pump Station connections, as required
• Removal of interim stabilization measures which have been constructed.
• Testing, commissioning, and startup of the completed system

The final configuration of the Project will be developed during Phase 1 services.

Phase 1 services:

• Produce the basis-of-design report for the sandy force main pipeline.
• Perform engineering studies to support design and cost estimating.
• Develop the engineering design and specifications for the Project
• Prepare a project cost model and provide detailed cost estimates as the design is advanced at each design milestone.
• Preparation and submission of Permit Applications to the various Regulatory Authorities as required to perform the work.
• Assist Owner in identification of any temporary and permanent easements requirements.
• Submit and negotiate a GMP to complete the Phase 2 services.

Phase 2 services:

• Complete the final design and provide Professional Engineer certified and stamped documents (plans and specifications) for construction.
• Procure equipment and subcontractors.
• Secure necessary permits.
• Construct Project.
• Conduct commissioning and performance testing.
• Provide warranty coverage.

Proposals must be submitted in accordance with Section 5. The Proposals will be reviewed and evaluated using the best-value selection process described in Section 6.

No late Proposals will be accepted. Proposals may not be submitted by telephone or fax.

All communications shall be submitted by email to Twhitley@clackamas.us and shall specifically reference this RFP.

The Project will be Substantially Complete on or before **October 31, 2027** with Final Completion on or before **December 31, 2027**.

Owner may invite the two to three highest-scoring Proposers to an interview for the Project (Shortlisted Proposers).

Failure of the selected Proposer to execute a contract and deliver required insurance certificates within ten (10) calendar days after notification of an award may result in cancellation of the award.