if it is an Option B then there is no Activity Schedule, there is a BoQ.
The BoQ rates can be used to assess a CE by agreement. If there is no such agreement the default is Defined Cost + fee which would be based on the change in Defined Cost due to the CE using the Shorter Schedule of Cost Components.
The BoQ rates can be used to assess a CE by agreement. If there is no such agreement the default is Defined Cost + fee which would be based on the change in Defined Cost due to the CE using the Shorter Schedule of Cost Components.