Grout Pumping and Injection Operations TR 003 Performance Criteria Read and consider your experience in the following activities Self Rate To what extent have you performed this task List supporting evidence E.g. Job descriptions, Resumes, Certificates, References, Performance appraisals Not at all To a little extent, I need guidance To some extent, I can do independently To a great extent, I can lead otherrs Theory Question – to be asked verbally Q3. What is the purpose of the Pressure Grouting Reports? Q4. Why is it important to complete all documents accurately? Satisfactory Unsatisfactory Element 3 – Conduct grouting or cementing of hole 3.1. Manage mixing grout and any additives as per standard procedures. 3.2. Ensure that materials safety data sheets (MSDS) requirements for all materials used are followed. 3.3. Conduct grouting or cementing of hole using appropriate equipment and techniques. 3.4. Place grout or cement using appropriate techniques. 3.5.Monitor process to ensure consistency and accuracy of placed grout or cement. 3.6. Construct well head, hole identification and install hole security devices if required. 3.7. Dispose of any excess grout or cement according to site waste management procedures. Theory Question – to be asked verbally Q5. Where would you find quantities required for individual batches? Q6. If after reaching 3000 litres of grout under typical ground conditions injected at W/B 2.0 there is no increase in pump pressure what action should be taken? Satisfactory Unsatisfactory Element 4 – Respond to problems 4.1. Identify possible operational problems in equipment or process. 4.2. Identify symptoms of problems needing remedial action. 4.3. Determine possible fault causes. 4.4. Rectify problem using appropriate solution within area of responsibility. 4.5. Follow through items initiated until final resolution has occurred. 4.6. Report problems outside area of responsibility to designated person. Theory Question – to be asked verbally Q7. If there is significant and on-going loss of grout at the face, what action should be taken? Q8. When mixing thick grout with a water binder ratio of 0.70 or lower, what considerations need to be observed when batching? Satisfactory Unsatisfactory Element 5 – Manage cleaning of all equipment at completion of grouting or cementing operations 5.1. Ensure there is no spillage of grout, cement or additives to minimise any associated safety hazards. 5.2. Ensure cleaning equipment is used safely and effectively.
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