Case Study

Question 1

You mention in your approach that the high water table was discovered during RIBA Stage 4, what would you suggest for future projects to mitigate risk in the ground?

Answer 1

Undertake Ground Investigation at an earlier stage

Question 2

You note that you collaborated with the structural engineer to develop a design proposal, what part did you play in this?

Answer 2

My roles to the understand the design proposal and advised on the cost impact.

Question 3

You mention in option 1 that you advised on a rate of £70m2 for hardcore, how did you calculate this rate?

Answer 3

I reviewed the requirement and benchmarked my rate against retained prices from project with a similar scope.

Question 4

You mention in option 2 for the bore pile solution that you included a 5% construction risk, please can you describe some examples of what this is likely to cover?

Answer 4

Any unforeseen ground conditions resulting in additional ground remediation works

Question 5

You mention in option 1 and 3 you said you established the construction periods. How did you do this?

Answer 5

For option 1, I liaised with the project manager to determine a suitable duration allowance for the works, for option 3, I spoke to a specialist contractor who was able to advise on a programme duration

Question 6

In Table 7, you discuss the load bearing capacity of CFA and helical piles, in practise would you advise a client on the load bearing capacity of structural elements?

Answer 6

No, I would refer the client to the structural engineer for this advice