(h) a delay in the supply of materials selected by the owner ; (i) the need for a survey of or other report in relation to the site ; or (j) the industry shutdown being a 3 week period commencing on or about 22 December in each year if construction during the Christmas period could not have been reasonably foreseen at the date of this contract. 19.2 The builder is to give the owner written notice of an entitlement to an extension of time detailing both: (a) the cause of the delay; and (b) the extension of time, within 10 working days after becoming aware of both the cause and the extent of the delay. 19.3 If the owner wishes to dispute the builder's entitlement to an extension of time the owner must, within 5 working days of receiving the builder's notice, give the builder a written notice: (a) disputing the extension of time; and (b) detailing the reasons why the extension of time is disputed. 19.4 For every day the subject of an extension of time caused by an act, default or omission of the owner , delay damages, being the total of the actual increase in cost to the builder to carry out the building works plus the builder's margin applied to that cost is due and payable to the builder on demand. 20.1 The owner must give the builder written notice of the owner's selection of a prime cost item within 5 working days after the builder's request to do so. 20.2 If a prime cost item selected by the owner is unavailable, the owner must give the builder written notice of an alternative selection within 5 working days of the builder advising that the item selected is unavailable. 20.3 If the owner fails to give written notice under sub-clause 20.2, the builder may select an alternative item that is similar in quality to the unavailable item. 20.4 Each prime cost item must have an allowance stated next to it. The allowance is the estimated price to supply the item and does not include an amount for the builder's margin . 20.5 Each provisional sum item must have an allowance stated next to it. The allowance is the estimated price of providing the work and does not include an amount for the builder's margin . 20.6 In relation to each prime cost item and provisional sum item , if the actual price is: (a) less than the allowance, the difference is deducted from the contract price ; (b) more than the allowance, the total of the difference and the builder's margin applied to that difference is added to the contract price . 20.7 Any adjustment to the contract price for a prime cost item or a provisional sum item is due and payable with the next progress payment, unless a different time is agreed in writing. The builder is to provide to the
For dispute resolution refer to Clause 35.
The builder is entitled to extra costs where the owner is responsible for a delay.
Clause 20. Prime Cost and Provisional Sum Items Refer to Schedule 7 or other contract documents for prime cost items.
Refer to Schedule 7 or other contract documents for provisional sum items. This may change the contract price.
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