Level 3 - Undefined Provisional Sum

Question 1

What is a undefined provisional sum?

Answer 1

An undefined provisional sum is an estimated allowance for works which are not designed and as such the contractor cannot be expected to make allowance for them in their programming, planning and preliminaries

Question 2

What is a defined provisional sum?

Answer 2

Is a estimated allowance for works which have been describe in sufficient detail that the contractor has made allowance for them in their programme, planning and pricing of preliminaries

Question 3

You had an undefined provisional sum on Devonshire row, why was this undefined?

Answer 3

the client was yet to decide what they wanted to do with the ground floor and therefore there wasnt sufficient information available to the contractor to allow for this within their programme, planning or pricing or preliminaries

Question 4

Whats the difference between defined and undefined?

Answer 4

defined - estimated allowance (contractor deemed to include for programming and pricing prelims)

undefined - estimated allowance (contractor not allowed for programme and pricing or prelims)

Question 5

How are defined provisional sums described in NRM?

Answer 5

Defined provisional sum should describe:

The nature and construction of the work.

A statement of how and where the work is fixed to the building

A quantity or quantities that indicate the scope and extent of the work.

Any specific limitations and the like.