Basis of Contracts
Basis of Contracts:
Under a
lump sum contract, the contractor agrees to perform the work described in the
bidding documents for an exchange of a fixed sum of money which covers cost of
construction including labour cost, material, equipment cost and overhead and
profit. That is assuming no appreciable changes, the owner will pay no more
than the contractor’s bid price. This leaves most of the financial risks to the
contractor.
a) Basis – JCT Contract 2008
Where
the contract sum is determined before construction work is started. The
contractor undertakes a defined amount of work in return for an agreed sum. “Contracts
with quantities” and priced on the basis of drawings and firm bill of
quantities. “Contracts without quantities” are priced on the basis of drawings
and another document- usually a specifications or work schedule.
b) Basis – FIDIC 1987
52.1 - All
the variation referred to in Clause 51 and any addition to the Contract Price
which are required to be determined in accordance with the Clause 52 (for the
purposes of this Clause referred to as “varied work”), shall be valued at the
rates and prices set out in the contract if, in the opinion of the Engineer,
the same shall be applicable. If the Contract does not contain any rates or
prices applicable to the varied work, the rates and prices in the Contract
shall be used as the basis for valuation so far as may be reasonable, failing
which, after due consultation by the Engineer with Employer and the Contractor,
suitable rates or prices shall be agreed upon between the Engineer and the
Contractor. In the event of disagreement the Engineer shall fix such rates or
prices as are, in his opinion, appropriate and shall notify the Contractor
accordingly, with copy to the Employer. Until such time as rates or prices are
agreed or fixed, the Engineer shall determine provisional rates or prices to
enable on-account payments to be included in certificates issued in accordance
with Clause 60.
55.1 –
The quantities set out in the Bill of Quantities are the estimated quantities
for the works, and they are not to be taken as the actual and correct
quantities of the works to be executed by the Contractor in fulfilment of his
obligations under the Contract.
3) Specific
Point of Clause:
The tender
papers contained a schedule of rates ostensibly for working out plus/minus
variations.
Lump sum
contract (meaning):
Lump sum
contract when one party carries out work for a stated and fixed amount of money
payable by other. Almost without exception, all of the main forms of building
contract are considered to be lump sum contracts even though they contain
provisions for variations. The important point is that the original contract
sum is stated for a given amount of work. Some contracts are expressly not lump
sum contracts. e.g. JCT 98 Private Edition, with approximate quantities. If the
contract expressly provides for re-measurement, it is not a lump sum contract.
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