parking garage

Mixed-Use Building, SE Stark Street, Portland, OR

MCE provided structural calculations, drawings, and construction services for this new, three-story, mixed-use structure with two separate structures connected by a common walkway, open retail space, parking garage, and six townhouses. The structural frame was constructed of wood framing with the exception of the parking garage and the balconies. The parking garage ceiling was framed using a composite concrete floor and structural steel beams, while the exterior walls of the parking garage were a combination of cast-in-place concrete and masonry.

Stark Street Mixed-Use Building Portland, Oregon

This mixed-use building features loft style living in the Mt. Tabor neighborhood of Portland, Oregon. The use of stone veneers and exposed wood decks provide a northwest feel. This three-story, 14,745-square-foot structure has retail space at the lower level with townhouses in the upper levels and an on-site covered parking structure.

While providing structural calculations, drawings, and construction services, the layout and shape of this property presented numerous design challenges for our team. 

The project consisted of two separate structures connected with a common walkway. The lower level of Building 1 was open to retail space, while the lower level of Building 2 consisted of a parking garage (2,379 square feet). The upper floors of the buildings were made up of six townhouses.

The typical structural frame was constructed of wood framing with the exception of the parking garage and the balconies. The parking garage ceiling was framed using a composite concrete floor and structural steel beams, while the exterior walls of the parking garage were a combination of cast-in-place concrete and masonry.

American Plaza Tower Condominium Parking Structure Repairs

Joint repair for American Plaza Parking Structure

Miller Consulting Engineers provided structural engineering services for this 200,000 square foot, four-level parking garage that serves residents of the American Plaza Condominium Towers in downtown Portland, Oregon. The garage was originally constructed in the early 1970s, and consists of a reinforced concrete waffle slab for the elevated levels of the structure. MCE was contacted to provide an assessment of the condition of the structure, as cracks were observed throughout many areas of the waffle slab and deterioration/corrosion was present in numerous areas of the slab.

The initial phase of MCE’s scope of services consisted of providing a visual observation of the garage, a preliminary review of the loading capacity of the structure, and a report outlining a recommended course of action to repair the structurally deficient areas.
 
American Slab AnalysisThe second phase of work consisted of MCE preparing a finite element analysis of the entire garage structure in order to more exactly identify areas that were overstressed. The finite element analysis allowed a precise measure of the structure’s load carrying capabilities, and thereby reduced the overall scope of structural upgrades. MCE also worked closely with a testing agency to outline areas of the building where non-destructive and destructive tests were needed in order to verify both the reinforcing steel in the slab and the compressive strength of the concrete. Additionally, MCE prepared an Engineer’s Opinion of Probable Construction Costs for the client to use in planning out the repair phases.
 Shoring and repairs of parking structure
The third and final phase consisted of preparing construction drawings for the structural upgrades, and providing construction administration services. Various upgrade and repair methods will be utilized to strengthen the structural elements, including the use of fiber reinforced polymers (FRP), conventional reinforcing steel, and repair mortars. This phase of the project is currently ongoing.

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9570 SW Barbur Blvd. Suite 100 Portland, Oregon 97219

503-246-1250

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SBA Certified Small Business Enterprise (#P0669937)

 

At Miller Consulting Engineers, Inc. we specialize in problem solving. If you have a project that needs structural engineering services, feel free to send us a message or call our office. This message will be sent to our response team and one of our engineers will respond to your inquiry.