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What is NYC BC § 1905.6.5.4?

Quick Answer

This section establishes criteria for determining the structural adequacy of concrete based on core test results. Averages of three cores must meet or exceed 85 percent of specified strength, with no individual core falling below 75 percent. Applies to construction professionals assessing concrete integrity.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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1905.6.5.4 Test results.

BC § 1905.6.5.4

Concrete in an area represented by core tests shall be considered structurally adequate if the average of three cores is equal to at least 85 percent of f 'c and if no single core is less than 75 percent of f 'c Additional testing of cores extracted from locations represented by erratic core strength results is permitted.

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