1.   Nuclear power stations are notoriously unreliable and construction costs go way over original estimates.

2.   The figure will only be about two million, less than half the original estimate.

3.   This figure is five times the original estimate.

4.   It criticises the main contractor for seriously erring in its original estimates.

5.   The original estimates are joined to the new ones by lines.

6.   The first stage of the gas handling project, which boosts production, is performing well and the costs of the next phase are running below the original estimate.

7.   As far as fire-fighters pensions is concerned, the revised estimate is is really significantly higher than the original estimate.

8.   BHP blamed the poor result on a loss at its Dai Hung oil field in Vietnam, which started production a year ago at production rates below original estimates.