ASTM-D5243 Historical Revision Information
Standard Test Method for Open-Channel Flow Measurement of Water Indirectly at Culverts

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Standard Test Method for Open-Channel Flow Measurement of Water Indirectly at Culverts


1.1 This test method covers the computation of discharge (the volume rate of flow) of water in open channels or streams using culverts as metering devices. In general, this test method does not apply to culverts with drop inlets, and applies only to a limited degree to culverts with tapered inlets. Information related to this test method can be found in ISO 748 and ISO 1070.

1.2 This test method produces the discharge for a flood event if high-water marks are used. However, a complete stage-discharge relation may be obtained, either manually or by using a computer program, for a gage located at the approach section to a culvert.

1.3 The values stated in inch-pound units are to be regarded as the standard. The SI units given in parentheses are for information only.

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.


floods; open-channel flow; water discharge; ICS Number Code 17.120.20 (Flow in open channels)

To find similar documents by ASTM Volume:

11.01 (Water (I))

To find similar documents by classification:

17.120.20 (Flow in open channels Including hydrometric determinations)

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Document Number


Revision Level

1992 R01 EDITION



Modification Type


Publication Date

May 15, 1992

Document Type

Test Method

Page Count

42 pages

Committee Number