4.1 This guide illustrates general details for below-grade and plaza waterproofing. It serves as a guide that will enable the designer to prepare complete waterproofing details for each specific condition that occurs on a project.

1.1 This guide covers details for typical conditions encountered in adhered sheet waterproofing on below-grade structures and plazas.

1.2 This guide does not cover liquid-applied waterproofing.

1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.