Upon receiving this notice, the Engineer shall proceed in accordance with Sub-Clause 3.5 [Determinations] to agree or determine this cost, which shall be included in the Contract Price.
在接到通知后，工程师应依据第3 . 5款【决定】，对此费用作出商定或决定，并将之加入合同价格。
2
The former involved the barrier clause in a contract and the latter involved the cost of default, so the latter model demands a recovery period.
On receipt of the notice under Clause 54, the Contractor shall remedy the defect without undue delay and at his own cost as stipulated in Clauses 51-65 inclusive.