Elements and Performance Criteria
- Confirm details of assigned activities with supervisor
- Clarify the scope and objectives of the assessment, constraints, stormwater components involved and stormwater management techniques already in use.
- Identify regulations, standards, guidelines and workplace procedures that apply to assigned activities.
- Clarify the required outputs, timeframe, available resources and stakeholder involvement.
- Source and assess available stormwater system data
- Locate and obtain existing stormwater system information and review its relevance and accuracy.
- Locate external sources of relevant data sets and assess their availability, price, value and limitations.
- Obtain selected data sets in accordance with workplace procedures.
- Use available data to identify (sub)catchment boundaries and modifications, ‘hydrologic range’, major land use categories, areas of potential pollution and environmental issues relevant to the study.
- Identify any significant information gaps.
- Plan and organise assigned field activities
- Confirm data collection points and data quality requirements.
- Analyse field activities to identify related tasks and plan efficient sequences.
- Identify risks, safety and environmental requirements associated with field activities.
- Assemble required field equipment and materials and check that they are fit for purpose.
- Liaise with relevant personnel to explain the scope and purpose of field activities, organise site access and obtain permits, as necessary.
- Review work plan in response to new information, changed circumstances or instructions from appropriate personnel.
- Update work plan and communicate changes to appropriate personnel, as necessary.
- Safely collect global positioning system (GPS) and environmental data
- Set up/optimise GPS equipment with correct datum and projection settings.
- Set up measuring instruments on site and perform pre-use/calibration checks.
- Operate GPS equipment/measuring instruments in accordance with manufacturer specifications and workplace procedures.
- Collect point positional data and attribute environmental data for each location in accordance with data collection plan.
- Verify GPS/environmental data, identify atypical results and review procedures/troubleshoot equipment, as necessary.
- Perform field work
- Visually inspect stormwater systems to determine the degree of erosion/sediment transport along drainage channels.
- Assess the apparent effectiveness of current stormwater control devices.
- Assess the state of riparian vegetation associated with earth formed channels, ponds and basins.
- Assess the diversity of vertebrate and invertebrate fauna in stormwater channels and receiving bodies.
- Collect representative water, soil and/or sediment samples using specified sampling methods and equipment.
- Obtain valid and reliable in-situ measurements using specified test methods and equipment.
- Identify litter generation areas and visually inspect the effectiveness of gross pollutant traps.
- Identify and promptly report any illegal discharge to the stormwater system.
- Inspect the condition of flood mitigating structures along drainages.
- Finalise field work
- Report current stormwater system conditions
- Review field measurements and/or results of laboratory analyses to identify significant trends and/or problems with data.
- Analyse data relating to catchment characteristics, existing conditions and management values, as required.
- Identify environmental issues that may impact on current stormwater management objectives/practices.
- Report findings using a format and style that suits the intended use and in accordance with workplace guidelines.
- Communicate results within the specified time and in accordance with workplace confidentiality and security guidelines.
- Maintain a safe work environment