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What is NYC BC § 1810.4.2.1?

Quick Answer

This section outlines the procedures for conducting uplift load tests in accordance with ASTM D 3689. It specifies the use of dial extensometer gages for precise measurements and details how to eliminate temporary supporting capacity of soil during tests. Applies to building owners involved in foundation testing.

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

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1810.4.2.1 Uplift load test procedures.

BC § 1810.4.2.1

Uplift load tests shall be conducted in accordance with ASTM D 3689 standard procedures and the following conditions: 1. Dial extensometer gages shall provide readings to the nearest 0.001 inch (0.025 mm). Electrical transducers may be used to make settlement observations provided that backup measurements are made utilizing dial extensometers as described therein at sufficient times to validate the transducer readings.

2.Any temporary supporting capacity that the soil might provide to the deep foundation during a load test, but which would be dissipated with time, shall be eliminated by casing off or by other suitable means, such as increasing the total test load to account for such temporary capacity.

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