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Elements and Performance Criteria

Select open channel hydraulic methodology
- Identify monitoring objectives of the site and hydraulic calculation requirements
Select methodology for open channel hydraulic calculations
Identify hydraulic principles used for verification of calculations
Select other methodologies to review initial calculations
Collect and review data for flow calculations
- Measure and collect appropriate data to calculate theoretical flows based on methodology selected
Determine the hydraulic characteristics of a monitoring site
Measure and collect appropriate data to calculate flows theoretically
Estimate hydraulic coefficients based on observations
Prepare records in a format suitable for dissemination
Review data collected and subsequent calculations for inconsistencies against measured flows
Select the appropriate control structure
- Select appropriate control structures based on characteristics of the open channel and its catchment
Identify and determine the method to calculate flow by using the appropriate formulae for the control structure
Calculate flow in open channels
- Select and use the appropriate formulae for calculating flows in open channels based on the characteristics of the open channel and its catchment
Identify the limitations of the formulae
Identify factors that would cause variations in the results
Verify results by applying hydraulic principles and other methodologies
Determine the characteristics of open channel pipe flow
Calculate flow from pressure measurements
- Determine flow-based calculations by using pressure instruments
Make adjustments for absolute pressure instruments to measure head in open channels
Make corrections in pressure measurements to allow for head measurement of salt water

Range Statement

Range is restricted to essential operating conditions and any other variables essential to the work environment.