ASTM C1781 / C1781M - 14a

    Standard Test Method for Surface Infiltration Rate of Permeable Unit Pavement Systems

    Active Standard ASTM C1781 / C1781M | Developed by Subcommittee: C15.04

    Book of Standards Volume: 04.05


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    Significance and Use

    5.1 This test method can be used for acceptance of surface infiltration of new permeable unit pavement systems.

    5.2 Tests performed at the same location across a span of years may be used to detect a reduction of infiltration rate of the permeable surface, thereby identifying the need for any remedial maintenance intended to increase the infiltration rates to predefined levels.

    5.3 The infiltration rate obtained by this method is valid only for the localized area of the pavement where the test is conducted. To determine the surface infiltration rate of the entire permeable pavement, multiple locations must be tested and the results averaged.

    5.4 The minimum acceptable infiltration rate is typically established by the design engineer of record or the municipality and can be a function of the design precipitation event.

    1. Scope

    1.1 This test method covers the determination of the field surface infiltration rate of in place permeable unit pavement systems surfaced with solid interlocking concrete paving units, concrete grid paving units, or clay paving brick.

    1.2 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 non-conformance with the standard.

    1.3 The text of this test method references notes that provide explanatory material. These notes shall not be considered as requirements of the test method.

    1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    C902 Specification for Pedestrian and Light Traffic Paving Brick

    C920 Specification for Elastomeric Joint Sealants

    C936 Specification for Solid Concrete Interlocking Paving Units

    C1232 Terminology of Masonry

    C1272 Specification for Heavy Vehicular Paving Brick

    C1319 Specification for Concrete Grid Paving Units

    C1701 Test Method for Infiltration Rate of In Place Pervious Concrete

    Other Standards

    FederalSpecification Plumbing Fixture Setting Compound


    ICS Code

    ICS Number Code 93.080.20 (Road construction materials)

    UNSPSC Code

    UNSPSC Code 30131607(Clay brick); 30121705(Paving slab)


    Referencing This Standard

    DOI: 10.1520/C1781_C1781M-14A

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM C1781 / C1781M-14a, Standard Test Method for Surface Infiltration Rate of Permeable Unit Pavement Systems, ASTM International, West Conshohocken, PA, 2014, www.astm.org

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