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Elements and Performance Criteria

1. Plan and assess survey requirements.
   • Planned survey exercises directly relate to the desired outcome and 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 occupational health and safety issues that may be encountered during the surveying exercise taking appropriate risk management strategies.
   • Apply for and confirm appropriate authorisations for entry to property for the purpose of carrying out survey exercise.
2. Operate survey equipment.
   • Set up survey equipment and use mathematical techniques to check for correct operation and prepared for use.
   • Carry out collimation test to check the level for accuracy.
   • Select survey equipment for suitability and use correctly and safely according to operating procedures.
3. Select and survey monitoring sites.
   • Identify required survey reference marks (bench marks).
   • Establish cease-to-flow level of controlling feature.
   • Identify and assess high-flow cross section and sectional control by survey.
   • Survey multiple cross sections of channels to determine the profile of the channel in the gauging station reach.
   • Identify and assess groundwater monitoring site survey reference points
4. Document survey and data results.
   • Correctly and accurately document and store results and verify in corporate database according to organisation and industry standards.

Required Skills

Required skills plan and map reading skills sufficient to locate features find survey reference marks and plot locations level preparation setup and operation circular level check use procedure for elimination of parallax use procedure for conducting Collimation test audit the condition of staves bubble level measuring tapes prepare and load survey equipment for transportation identify common types of measuring tapes used in survey care and maintenance of measuring tapes preparation and holding of staves use a compass to determine a bearing position operation of a change point data capture and file management horizontal distance measurement by stadia physically identify an appropriate survey reference mark apply sightings and standard error checks

Required knowledge mathematical and other scientific techniques relevant to the analysis of hydrometric data interaction of physicochemico parameters of the process being monitored and the impact on data being recorded sensorsystem characteristics and signal processingalgorithms specifically with chemical sensors computer software relevant to the analysis and archiving of hydrographic data water sampling and testing procedures occupational health and safety procedures policies and standard operating procedures procedures for use of remote contact communication systems

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge range statement and the Assessment Guidelines for the Training Package
Critical aspects for assessment and evidence required to demonstrate competency in this unit	The candidate should demonstrate the ability to use appropriate survey equipment to collect survey data at monitoring stations and to process and manage the data for hydrometric purposes including gathering and interpreting complex documentation and applying to the development and maintenance of rating curves analysing and verifying data using standard procedures software and databases preparing clear and accurate reports storing and archiving data identifying reporting and providing solutions to a range of flow conditions
Context of and specific resources for assessment	Access to the workplace and resources including documentation that should normally be available in a water industry organisation workplace specific equipment and technology supervision and experienced team members to provide observations feedback and third party reports enterprise operating procedures and work allocation relevant codes standards and government regulations Where applicable physical resources should include equipment modified for people with disabilities Access must be provided to appropriate learning andor assessment support when required Assessment processes and techniques must be culturally appropriate and appropriate to the language and literacy capacity of the candidate and the work being performed Validity and sufficiency of evidence require that competency will need to be demonstrated over a period of time reflecting the scope of the role and the practical requirements of the workplace where the assessment is part of a structured learning experience the evidence collected must relate to a number of performances assessed at different points in time and separated by further learning and practice a decision of competence should only be made when the assessor has complete confidence in the persons competence over time and in various contexts all assessment that is part of a structured learning experience must include a combination of direct indirect and supplementary evidence where assessment is for the purpose of recognition RCCRPL the evidence provided will need to be authenticated and show that it represents competency demonstrated over a period of time assessment can be through simulated projectbased activity and must include evidence relating to each of the elements in this unit In all cases where practical assessment is used it will be combined with targeted questioning to assess the underpinning knowledge Questioning will be undertaken in a manner appropriate to the skill levels of the operator any cultural issues that may affect responses to the questions and reflecting the requirements of the competency and the work being performed

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Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.
Standard processes and software may include:	standards relevant to the monitoring network including: AS 3778 for water measurement installations WMO/Bureau of Meteorology guidelines for siting of meteorological sensors and systems best practice methodology where standards are not available or applicable software for logical control device programming (maybe system specific or generic software) to automate control, sampling and alarming processes water data base management software for triggering alarms, notifications, advice to relevant authorities and management for actions procedures for: data logging (programming interrogation, data downloading, data security) procedures for: data processing storage and presentation conversion of raw logger file data to channel data in date/time/value format deletion/inclusion/correction quality codes/comments check archive storing ancillary data pluviographs hyetographs hydrographs rating curves tables procedures for the measurement of surface slopes and flood slopes procedures for the development, maintenance and extension of rating curves computation of flow from stage data and rating curves software: Kisters - Hydstra Scientific Software Group - AquaChem Microsoft - Excel web-based development tools for presentation and reporting of data.
Hydraulic conditions may include:	rapidly rising and falling stages tail water and backwater affected tidal effects transitional from calibrated to channel.
Mathematical techniques may include:	logarithmic transformation conversion of units graphical analysis gauging calculations calculation of sediment load, sediment yield and sediment deposition.

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