Field changes refer to any changes made during construction that deviate from the architectural plans. During construction, changes often need to happen. Most construction projects keep a log of changes made as the building goes up. Any changes to the architectural plans require a plan change filed with the construction documents and with any agencies overseeing the project. Common field changes include moving window and door locations, changing roof configurations, adding additional support to certain parts of the foundation, and changing awkward room layouts. The original designs are all detailed in the architectural plan and plan specifications. Any changes must be made in the plans and the specifications as well as on the construction site. Deviations from the plans that do not have the change logged can cause delays in getting inspections done, which will delay the project's entire timeline.