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Elements and Performance Criteria

1. Plan and assess survey requirements
   • Identify the survey objectives and any required standard processes and software.
   • Identify the location and value of survey reference marks from maps and plans.
   • Choose and justify appropriate survey techniques for specific hydraulic conditions and hydrographic purposes.
   • Identify and evaluate the source of levelling errors and misclosures.
   • Plan and manage the logistics and personnel to ensure effective outcomes and resource management.
   • Apply correct care procedure for storage, transport and use of survey equipment.
   • Assess and address WHS issues that may be encountered during the surveying exercise, taking appropriate risk management strategies.
   • Apply for and confirm authorisations for entry to property.
2. Operate survey equipment
   • Select, set up and prepare survey equipment for use and check level of accuracy.
   • Use mathematical techniques to check for correct operation.
   • Use suitable survey equipment.
3. Select and survey monitoring sites
   • Identify required survey reference benchmarks.
   • Establish cease-to-flow level of controlling feature.
   • Identify and assess high-flow cross-section and sectional control by survey.
   • Survey sections of channels to determine the profile of the channel in the gauging station reach.
   • Identify and assess monitoring site survey reference points.
   • Establish benchmark and survey to Australian Height Datum.
   • Use different surveying techniques.
4. Document survey and data results
   • Verify results in corporate database.
   • Document and store results.
   • Produce a plot or plan of survey results.
5. Plan and assess survey requirements
   • Identify the survey objectives and any required standard processes and software.
   • Identify the location and value of survey reference marks from maps and plans.
   • Choose and justify appropriate survey techniques for specific hydraulic conditions and hydrographic purposes.
   • Identify and evaluate the source of levelling errors and misclosures.
   • Plan and manage the logistics and personnel to ensure effective outcomes and resource management.
   • Apply correct care procedure for storage, transport and use of survey equipment.
   • Assess and address WHS issues that may be encountered during the surveying exercise, taking appropriate risk management strategies.
   • Apply for and confirm authorisations for entry to property.
6. Operate survey equipment
   • Select, set up and prepare survey equipment for use and check level of accuracy.
   • Use mathematical techniques to check for correct operation.
   • Use suitable survey equipment.
7. Select and survey monitoring sites
   • Identify required survey reference benchmarks.
   • Establish cease-to-flow level of controlling feature.
   • Identify and assess high-flow cross-section and sectional control by survey.
   • Survey sections of channels to determine the profile of the channel in the gauging station reach.
   • Identify and assess monitoring site survey reference points.
   • Establish benchmark and survey to Australian Height Datum.
   • Use different surveying techniques.
8. Document survey and data results
   • Verify results in corporate database.
   • Document and store results.
   • Produce a plot or plan of survey results.

Performance Evidence

Evidence required to demonstrate competence must satisfy all of the requirements of the elements and performance criteria. If not otherwise specified the candidate must demonstrate evidence of performance of the following on at least two occasions.

locating features on maps and plans, finding survey reference marks and plotting locations

preparing, setting up and operating surveying equipment

preparing and loading surveying equipment for transportation

maintaining surveying equipment

preparing and holding staves

measuring horizontal distance by stadia

identifying physically survey reference mark

applying sightings and standard error checks

gathering and interpreting complex documentation

applying documentation to the development and maintenance of rating curves

analysing and verifying data using standard procedures, softwares and databases

preparing clear and accurate reports

capturing, storing and archiving data

identifying, reporting and providing solutions to a range of flow conditions

using a GPS

applying appropriate datum and projections

carrying out collimation test to check accuracy

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Knowledge Evidence

Evidence required to demonstrate competence must satisfy all of the requirements of the elements and performance criteria. If not otherwise specified the depth of knowledge demonstrated must be appropriate to the job context of the candidate.

mathematical and other scientific techniques relevant to the analysis of hydrographic data

interaction of physico-chemical parameters of the process being monitored and the impact on data being recorded

sensor and/or system characteristics and signal processing and/or algorithms, specifically with chemical sensors

computer software relevant to the analysis and archiving of hydrographic data

water sampling and testing procedures

procedures for use of remote contact communication systems

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