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Elements and Performance Criteria

1. Prepare to classify site
   • Review job request and any accompanying documentation to identify purpose of site classification, proposed structure, client’s information needs and timeframe
2. Review relevant building codes or regulations, standards and workplace procedures for classifying site
3. Locate any previous site classifications conducted in same area
4. Review supplied site drawings, topography, borehole locations and logs, photographs and design plans for planned structure
5. Inspect supplied samples and investigation data for completeness and obvious errors
6. Confirm that investigation data meets depth requirements for the type of site and location
7. Liaise with client when supplied documentation, samples, investigation data and/or job request do not comply with workplace procedures and resolve any problems
8. Analyse site information and test results
   • Locate and assess site features, such as slope, structures, drainage, trees and vegetation or abnormal soil conditions that may affect site classification
9. Determine if fill is present on-site, whether controlled or uncontrolled, and its depth and extent
10. Determine bearing capacity of soil
11. Review shrink/swell or correlated clay index test results to determine soil reactivity
12. Review bore log data in conjunction with soil reactivity and calculate potential soil movement
13. Recognise obvious errors, insufficient or inconsistent data and limitations of test results
14. Arrange for, or conduct, additional sampling and/or testing to ensure reliable data for site classification, as required
15. Report site classification
    • Use standard symbols and descriptors to assign a valid site classification that accurately reflects soil reactivity, surface movement and any problematic features
16. Summarise field observations, calculations and test results used to determine site classification
17. Accurately describe site features that will affect the design of the proposed structure
18. Provide adequate data to inform footing system design
19. Authorise release of site classification report to the client, or forward the report to a signatory for review and release
20. Finalise site classification
    • Store client’s documentation, samples and test data, and site classification in accordance with workplace procedures
21. Maintain confidentiality of client information