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Architects and contractor report extensive concrete deterioration at ICB; committee recommends Miller Architects' plan to BOCC
Summary
Miller Architects told the county the ICB building's brick facade and underlying concrete show widespread deterioration; the firm proposed a supplemental exterior structural system and redesign work with estimated fees and asked the committee to recommend the plan to the Board of County Commissioners, which the committee approved.
Miller Architects told Oklahoma County's Public Buildings Advisory Committee that extensive hidden deterioration in the ICB building requires a redesigned structural approach and additional construction administration.
Cody Pastolica of Miller Architects said testing and demolition revealed that much of the original brick facade could not be salvaged and that perimeter concrete had "honeycombing" and areas of unconsolidated material. He said concrete cores commonly returned strengths around 1,000–1,200 psi, well below the roughly 3,500 psi one expects in modern construction. "As we moved forward, the goal was to patch and repair," Pastolica said, "but we found areas that just kept going," and contractors stopped repairs on safety grounds.
Mil…
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