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AS 3778.4.2:2022 Measurement of water flow in open channels Measurement using flow gauging structures - Rectangular broad-crested weirs (ISO 3846:2008, IDT)
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AS 3778.4.2:2022 identically adopts ISO 3846:2008, which specifies requirements for the use of rectangular broad-crested weirs for the accurate measurement of flow of clear water in open channels under free flow conditions.