This matter was previously discussed (see the following link);
I can understand the Contractor 's position and the fact that such resources may not be required if they weren’t awarded the contract.
For Option B, however, the requirements of the Schedule of Cost Components don’t apply as PWDD references the Bill of Quantities as the basis for calculation. This would likely come down to whether the item in question has been measured in accordance with the stated method of measurement. If it hasn’t then it can be adjusted under clause 60.6 and the Prices may consequently be reduced, as appropriate.