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NYC Building Code

§ 1805.3.2 — § 1805.3.2

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What is NYC BC § 1805.3.2?

Quick Answer

This section outlines the requirements for the design and construction of waterproof walls, specifying that they must withstand hydrostatic pressures and lateral loads. It mandates waterproofing to be applied from the bottom of the wall to at least 12 inches above the groundwater table, with additional sealing requirements for joints and penetrations. Applies to building owners responsible for wall construction and waterproofing.

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

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1805.3.2 Walls.

BC § 1805.3.2

Walls required to be waterproofed shall be designed and constructed to withstand the hydrostatic pressures and other lateral loads to which the walls will be subjected. Waterproofing shall be applied from the bottom of the wall to not less than 12 inches (304.8 mm) above the maximum elevation of the groundwater table or as directed by the registered design professional. The remainder of the wall shall be dampproofed in accordance with Section 1805.2.2. Joints, penetrations and other interruptions shall be sealed in accordance with manufacturer's recommendations.

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