May the Contractor engage the services of a Geodetic Engineer for making surveys? What is the extent of work that the Geodetic Engineer can do?

The Contractor shall, at his option or when required under the Contract, engage the services of a licensed Geodetic Engineer to confirm and certify the location of column centers, piers, walls, pits, trenches, pipe work, utility lines and work of a similar nature. The Geodetic Engineer shall also verify and certify the lines and levels of any part of the Work at any time if so required by the Owner. The certification shall be provided to the Owner and the Contractor.

If the Geodetic Engineer finds any deviation from the Drawings in the Work of the Contractor, he shall report his findings to the Contractor and copy the Owner within 24 hours from discovery.