ICRI 2010 Project Award Winner
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Award of Merit: Industrial Category

Port of Portland Terminal 5 Structura Rehabilitation and Corrosion Protection
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Portland, Oregon

Submitted by W. R. Meadows, Inc.


Port of Portland

Owner
Port of Portland
Portland, Oregon

Project Engineer/
Designer

Moffatt & Nichol
Seattle, Washington

Repair Contractor
Pioneer Waterproofing 
Co., Inc.
Portland, Oregon

Material Suppliers/
Manufacturers

W. R. Meadows, Inc.
Hampshire, Illinois

Vector Corrosion Technologies
Winnipeg, Manitoba, Canada

The Port of Portland project required a revitalization of this historic port’s concrete exterior. The project involved the removal of the deteriorated and sulfate-contaminated concrete and included spall repairs. The concrete deterioration was apparent in many different areas of the structural concrete rehabilitation project, including its pier beam, pier girders, pier fender blocks, abutments, conveyer struts, support towers, and pier deck. 

During the repair of the original concrete, the pier could not be shut down for any purpose. Therefore, the complicated concrete rehabilitation had to take place at the same time the pier was operational. This project focused on Terminal 5 of the Port of Portland. The 159 acre (64.3 hectare) terminal features one of the country’s highest-volume grain export facilities and a state-of-the-art potash fertilizer mineral bulk exporting facility. 

The scope of the project more than doubled from the original estimates of 3237 cubic feet (91.6 cubic meters) of structural concrete repair to a completed job total of 7290 cubic feet (206.4 cubic meters). The primary product used in concrete repair was a self-compacting, shrinkage-compensated, low-permeable, structural, high-modulus, form-and-pour, cementitious repair mortar containing a migrating corrosion inhibitor. Approximately 810,000 lb (367,409.8 kg) of this repair mortar was successfully used to complete the extensive rehabilitation. 

The overall success, as in most cases, came from the ability of the concrete repair industry to supply a means and method for prolonging the life of a structure while minimizing the impact and/or downtime on current operations. This also resulted in cost savings, as the owner would typically need to pay more for new construction. This was vital in the final decision-making process to proceed with the rehabilitation of the structure.

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