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Award of Merit: Low-Rise Category

Midland Memorial Hospital Mechanical Room Repairs
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Midland, Texas

Submitted by Raymond L. Goodson Jr., Inc.


Midland Memorial Hospital

Owner
Midland County Hospital District dba Midland Memorial Hospital
Midland, TX

Project Engineer/
Designer

Raymond L. Goodson Jr., Inc.
Dallas, TX

Repair Contractor
Delta Structural Technology
Conroe, TX

Material Supplier/
Manufacturer

Sika Corporation
Lyndhurst, NJ 

Opening in 1950, the Midland Memorial Hospital was constructed at a cost of $1.372 million and was considered to be a state-of-the-art facility with 75 hospital beds. In 2012, the hospital underwent significant expansion with the addition of a new patient tower, with construction costs totaling $177.6 million. Today, the hospital remains the only not-for-profit hospital operating in Midland County, with a total bed capacity of 468. 

In 2012, the hospital reported substantial deterioration of the concrete in the basement of the original hospital building. During the initial site visit for the condition assessment, severe damage to four columns and other load-bearing elements was observed, and it was determined that the structure of the building was significantly compromised. Multi-level shoring, comprised of heavy steel tubes, was designed overnight and installed within a 3-day period. Visual observations were then extended into crawl spaces, tunnels, and above hard ceilings. These observations set the number of severely damaged columns from four to six, all clustered closely together in or near the Central Building’s mechanical room. 

The selected repair method involved the removal of unsound concrete and damaged reinforcing steel from the lower 3 ft (0.9 m) of the columns. Damaged reinforcing steel was replaced with new bars spliced with the existing bars. The exposed concrete surface was prepared and coated with a corrosion inhibitor and bonding bridge. Formwork was slipped into place and self-consolidating concrete was mixed and placed in small batches through bird’s mouth placement portals. Columns were then wrapped with fiber-reinforced polymer (FRP) for confinement and waterproofing. 

This project was unique because it approached the repair in a holistic manner, recognizing and addressing the owner’s needs and repairing the building with minimally invasive and targeted techniques. 

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