79.7 Failure to Carry Out Work
If and to the extent that the Contractor fails to carry out Outstanding Work to the Authority's reasonable satisfaction within the period specified in Clause 79.3.2, the Authority shall be entitled to carry out itself, or procure, such rectification and/or maintenance work at the Contractor's expense and shall make withdrawals from the Retention Fund Account or, where there is insufficient funds in the Retention Fund Account, make deductions from the Unitary Charge to pay for such rectification and/or maintenance work155 or recover such amounts from the Contractor as a debt payable on demand.
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155 If the balance standing to the credit of Retention Fund Account is not sufficient to cover the whole cost of the rectification and/or maintenance work carried out or procured by the Authority, the Authority can recover the balance from the Contractor either as a debt or through set off under Clause