what is a Contract Sum

what is an approximate quantity?

do approximate quantities cause any contractual problems?

Why do we use Provisional Sums?

What is the procedure for Provisional Sums?

what are the two types of Provisional Sum?

Tell me what you understand as defined work?

what happens if the defined provisional sum is not as detailed as rule 10.3 requires?

what do you understand by undefined works?

what kinds of items do you typically include as a P. Sum?

Name the two mechanisms for valuing variations?

Talk through the schedule two quotation for variations?