GC 7.03 VALUATION OF VARIATIONS
- The Engineer shall determine the amount (if any), to be added to, or deducted from, the sum named in the Tender in respect of any extra or additional work done, or work omitted by his order. All such work shall be valued at the rates set out in the Contract, if in the opinion of the Engineer, the same shall be applicable. If the Contract shall not contain any rates applicable to the extra or additional work, then reasonable prices shall be fixed by the Engineer.
- Provided that if the nature or amount of any omission, or addition relative to the nature or amount of the whole of the contract work or to any part thereof, shall be such, that in the opinion of the Engineer, the rate or price contained in the Contract for any item of the Works is, by reason of such omission of addition, rendered unreasonable, or inapplicable, the Engineer shall fix such other rate or price as under the circumstances, he shall think reasonable and proper.
- Provided that if the nature or amount of any omission, or addition relative to the nature or amount of the whole of the contract work or to any part thereof, shall be such, that in the opinion of the Engineer, the rate or price contained in the Contract for any item of the Works is, by reason of such omission of addition, rendered unreasonable, or inapplicable, the Engineer shall fix such other rate or price as under the circumstances, he shall think reasonable and proper.
- Provided also that no increase of the Contract Price or variation of rate or price, shall be made, unless as soon after the date of the order as is practicable, and in the case of extra or additional work, before the commencement of the work, or as soon thereafter as is practicable, notice shall have been given in writing:
- by the Contractor to the Engineer of his intention to claim extra payment, or a varied rate or,
- by the Engineer to the Contractor of his intention to vary a rate or price,
as the case may be,
- The Engineer may, if in his opinion it is necessary or desirable, order in writing that any additional substituted work shall be paid for by one or more of the following ways:
- By estimate and acceptance in a lump sum
- By unit prices agreed upon
- By cost and percentage or by cost and a fixed fee
- iv. Where extra or additional work is to be paid for by method ©, the value shall be determined by the actual cost of:
- Labour, including Workers' Compensation and insurance. The labour rates shall not exceed those paid by the Contractor on the contracted part of the work.