Extra (Changed) Work. (a) The City may require changes in, additions to, or deductions from the Work to be performed or to the materials to be furnished under this contract. No extra work shall be performed or change made except pursuant to a written order from the City stating the extra work or change is authorized, and setting forth the basis upon which payment is to be made. No claim for additional compensation shall be valid unless pursuant to such a change order. Nothing in this section shall excuse the Contractor from proceeding with the prosecution of the changed work. When required by the City, the Contractor shall furnish an itemized breakdown of the quantities and prices used in computing the value of any ordered change
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Samples: Sample Construction Contract, Sample Construction Contract, Attachment D β Sample Construction Contract