1. Describe the circumstances that may give rise to a deemed variation. 2. Explain what constitutes an error or discrepancy in the bill of quantities, how such errors may arise, and how they may be...

1. Describe the circumstances that may give rise to a deemed variation.

2. Explain what constitutes an error or discrepancy in the bill of quantities, how such errors may arise, and how they may be administered and valued.

3. Explain what constitutes an error or discrepancy in the schedule of rates, how such errors may arise, and how they may be administered and valued.

4. Describe the circumstances in which the contractor is not bound to execute a variation.

5. In what circumstances is additional work valued as daywork? Explain how such work may be valued.