Civil Engineering Reference
In-Depth Information
ApproximateQuantity shall be the basis for determining the Valuation
and the Valuation shall include a fair allowance for such difference in
quantity.
Provided that clause 4.6.1.4 and clause 4.6.1.5 shall only apply to the
extent that the work has not been altered or modified other than in
quantity.
4.6
.2 To the extent that the Valuation relates to the omission of work set out in
the Trade Contract Documents the rates and prices for such work therein
set out shall determine the Valuation of the work omitted.
4.6
.3
In any valuation of work under clauses 4.6.1 and 4.6.2:
4.6
.3
.1 measurement shall be in accordance with the same principles as
those governing the preparation of the Trade Contract Documents;
4.6
.3
.2
allowance shall be made for any percentage or lump sum adjust-
ments in the Trade Contract Documents; and
4.6
.3
.3
allowance, where appropriate, shall be made for any addition to or
reduction of preliminary items of the type referred to in the Standard
Method of Measurement; provided that where bills of quantities are
included in the Trade Contract Documents no such allowance
shall be made in respect of compliance with an instruction for the
expenditure of a provisional sum for defined work.
4.6
.4 To the extent that the Valuation relates to the execution of additional or
substituted work which cannot properly be valued by measurement the
Valuation shall comprise:
4.6
.4
.1
the prime cost of such work (calculated in accordance with the
'Definition of Prime Cost of Daywork carried out under a Building
Contract' issued by the Royal Institution of Chartered Surveyors
and the Building Employers Confederation (
now the Construction
Confederation
) which was current at the Base Date or the 'Schedule
of Dayworks carried incidental ro Contract Work' issued by the
Federation of Civil Engineering Contractors which was current at
the Base Date) together with percentage additions to each section of
the prime cost at the rates set out by the Trade Contractor in the
Trade Contract Documents; or
4.6
.4
.2 where the work is within the province of any specialist trade and the
said Institution and the appropriate body representing the employers
in that trade have agreed and issued a definition of prime cost of
daywork, the prime cost of such work calculated in accordance with
that definition which was current at the Base Date together with
percentage additions on the prime cost at the rates set out by the
Trade Contractor in the Trade Contract Documents.
Provided that in any case vouchers specifying the time daily spent upon
the work, the workmen's names, the plant and the materials employed
shall be delivered for verification to the Construction Manager not later
than the end of the week following that in which the work has been
executed.
