Reference no: EM133104344

1. Where can OHS/WHS information be sourced? List 6 sources.

2. What types of levelling devices may be used in basic levelling procedures? List 5.

3. Describe how you would set up and use a plumb bob.

4. What tools and equipment may be selected and used to conduct levelling work? List 4.

5. What heights, markings or points may be used to identify required level?

6. What procedures may be involved in levelling device tolerance checks?

7. What procedures are involved in routine maintenance of tools and equipment?

8. Describe how you would check a spirit level for vertical accuracy.

9. What are straight edges used for in levelling?

10. Answer the following short questions:

a. List the three common methods that work instructions could be conveyed

b. What are written work instructions also known as?

c. Provide five examples of information that could be included in work instructions

d. Provide three examples of supporting documents that would be provided with work instructions?

e. What are the two basic communication skills required when clarifying work instructions and other job information?

11. Answer the following questions:

a. When a building or construction company has developed and put OHS / WHS policies and procedures in place for workers to learn and follow, explain, what does that ensure?

b. Why does each building or construction worksite need to have a hazard and risk assessment?

c. Describe what does the letter JSA stand for and what is this document used for.

12. Outline ten suggestions that relate to the use and care of levelling equipment. An example of such suggestion can be; never use a levelling tool/instrument for any other purpose other than what it has been designed for

13. Answer the following questions:

a. Explain the trend today with regards the choice of an automatic level instrument and a rotary laser level.

b. What is a compensator as it relates to an automatic level instrument?

c. We know that both automatic level instruments and rotary laser levels require both a tripod and a levelling staff. What extra accessory is required for a rotary laser?

d. List down five environmental factors that are sometime causes of errors in taking levels?

14. Answer the following questions:

a. What does the term 'backsight' mean?

b. What does the term 'foresight' mean?

c. What does the term 'Station' mean when performing levelling tasks?

d. What does the term 'Reduced Level' mean?

e. What were the two methods of calculating reduced levels called?