Standard Test Method for Scour of Hydrodynamic Separators and Settling Devices

SIGNIFICANCE AND USE
5.1 This test method provides test results for evaluating the potential for scour of sediment captured within a MTD in online and offline configurations.  
5.2 This test method will determine if an MTD can meet the scour performance requirements prescribed by an associated verification protocol or local AHJ requirements.
SCOPE
1.1 This test method covers the testing of hydrodynamic stormwater separators and underground settling devices as it relates to the measurement of the resuspension and washout (scour) of previously captured sediment.  
1.2 Units tested shall be of a size commonly manufactured and available for purchase. In order to facilitate testing it is permissible to substitute alternate materials for the housing and structural components of the test units if operational components are at full size, with identical dimensions, configurations and materials specified for commercial use. Scale models are not permissible.  
1.3 The test method provides a means of evaluating retention of suspended solids previously captured in with a manufactured treatment device (MTD) that is placed as an offline or online treatment device along storm drain pipe lines. It provides criteria in which to evaluate whether the MTD is appropriate for installation in offline or online conditions.  
1.4 This test method provides the means for evaluating the scour potential for both offline and online conditions.  
1.5 Units—The values stated in inch-pound units are to be regarded as standard, except for methods to establish and report sediment concentration and particle size. It is convention to exclusively describe sediment concentration in mg/L and particle size in mm or μm, both of which are SI units. The SI units given in parentheses are mathematical conversions, which are provided for information purposes only and are not considered standard. Reporting of test results in units other than inch-pound units shall not be regarded as non-conformance with this test method.  
1.6 This test method may be subject to specific requirements set by a Quality Assurance Project Plan, a specific verification protocol, or Authority Having Jurisdiction (AHJ). It is advised to review one or all of the above to ensure compliance  
1.7 Acceptance of test results attained according to this specification may be subject to specific requirements set by a Quality Assurance Project Plan, a specific verification protocol, or Authority Having Jurisdiction (AHJ). It is advised to review one or all of the above to ensure compliance.  
1.8 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.9 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.

General Information

Status
Historical
Publication Date
14-Mar-2023
Drafting Committee
Current Stage
Ref Project

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ASTM E3373-23 - Standard Test Method for Scour of Hydrodynamic Separators and Settling Devices
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Standards Content (Sample)

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.
Designation: E3373 − 23
Standard Test Method for
1
Scour of Hydrodynamic Separators and Settling Devices
This standard is issued under the fixed designation E3373; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope Quality Assurance Project Plan, a specific verification protocol,
or Authority Having Jurisdiction (AHJ). It is advised to review
1.1 This test method covers the testing of hydrodynamic
one or all of the above to ensure compliance.
stormwater separators and underground settling devices as it
1.8 This standard does not purport to address all of the
relates to the measurement of the resuspension and washout
safety concerns, if any, associated with its use. It is the
(scour) of previously captured sediment.
responsibility of the user of this standard to establish appro-
1.2 Units tested shall be of a size commonly manufactured
priate safety, health, and environmental practices and deter-
and available for purchase. In order to facilitate testing it is
mine the applicability of regulatory limitations prior to use.
permissible to substitute alternate materials for the housing and
1.9 This international standard was developed in accor-
structural components of the test units if operational compo-
dance with internationally recognized principles on standard-
nents are at full size, with identical dimensions, configurations
ization established in the Decision on Principles for the
and materials specified for commercial use. Scale models are
Development of International Standards, Guides and Recom-
not permissible.
mendations issued by the World Trade Organization Technical
1.3 The test method provides a means of evaluating reten-
Barriers to Trade (TBT) Committee.
tion of suspended solids previously captured in with a manu-
factured treatment device (MTD) that is placed as an offline or 2. Referenced Documents
online treatment device along storm drain pipe lines. It 2
2.1 ASTM Standards:
provides criteria in which to evaluate whether the MTD is
C1745/C1745M Test Method for Measurement of Hydraulic
appropriate for installation in offline or online conditions.
Characteristics of Hydrodynamic Stormwater Separators
and Underground Settling Devices
1.4 This test method provides the means for evaluating the
scour potential for both offline and online conditions. C1746/C1746M Test Method for Measurement of Sus-
pended Sediment Removal Efficiency of Hydrodynamic
1.5 Units—The values stated in inch-pound units are to be
Stormwater Separators and Underground Settling Devices
regarded as standard, except for methods to establish and
D2216 Test Methods for Laboratory Determination of Water
report sediment concentration and particle size. It is convention
(Moisture) Content of Soil and Rock by Mass
to exclusively describe sediment concentration in mg/L and
D3977 Test Methods for Determining Sediment Concentra-
particle size in mm or μm, both of which are SI units. The SI
tion in Water Samples
units given in parentheses are mathematical conversions,
D4959 Test Method for Determination of Water Content of
which are provided for information purposes only and are not
Soil By Direct Heating
considered standard. Reporting of test results in units other
D5241 Practice for Micro-Extraction of Water for Analysis
than inch-pound units shall not be regarded as non-
of Volatile and Semi-Volatile Organic Compounds in
conformance with this test method.
Water
1.6 This test method may be subject to specific requirements
D6889 Practice for Fast Screening for Volatile Organic
set by a Quality Assurance Project Plan, a specific verification
Compounds in Water Using Solid Phase Microextraction
protocol, or Authority Having Jurisdiction (AHJ). It is advised
(SPME)
to review one or all of the above to ensure compliance
D6913/D6913M Test Methods for Particle-Size Distribution
1.7 Acceptance of test results attained according to this (Gradation) of Soils Using Sieve Analysis
D7928 Test Method for Particle-Size Distribution (Grada-
specification may be subject to specific requirements set by a
tion) of Fine-Grained Soils Using the Sedimentation
1
This test method is under the jurisdiction of ASTM Committee E64 on
2
Stormwater Control Measures and is the direct responsibility of Subcommittee For referenced ASTM standards, visit the ASTM website, www.astm.org, or
E64.01 on Lab Evaluation. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition appro
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