As soon as drawings and specifications of engineers have been approved for construction, they should be updated the moment changes occur in the installation. To ensure that the drawings reflect the actual as built situation, we advise you to initiate a change management procedure.
If not, during the process of building and operation the actual status of you installations becomes unknown due to many causes. Then technical know-how is required to investigate whether the drawings are correct.
Installations occasionally require inspections. The document concerning the status of the installation should be a part of this inspection. When going thoroughly through an installation there are two things to be done:
check the integrity
inspect whether the drawings reflect the correct situation
After that the inspector or as built specialist has gathered the right information to establish what needs to be updated.