However, to effectively verify the accuracy, real checking needs to be at the markup drawing stage to confirm that the Contractor is on track and complying with the documentation requirements. The priority of the As-built documents is the exhaustive accuracy of the information transferred from the marked-up of the Redline drawings and the timeliness of the completion of the documents. Once the preparation and review were completed by the Engineering Department/Technical Team, the complete As-Built Drawing Set shall be officially submitted for approval by the Consultant.
#Redline as built drawing for sewer verification#
After the above changes are noted by handwritten redlines on the controlled copy of shop drawings, IR (Inspection Request) for verification with the Consultant shall be raised by Construction Department.ġ.
The “red-line” is being kept and updated by the Construction Team and the “As Built” submission where the reflected redline markup is being done by the Engineering Team or Technical Team designated by the contractor’s project organization.Ī red-line drawing is a form of intermediate drawing that reflects modifications or corrections to a previous drawing. This describes the process, roles and responsibilities, requirements, records to be maintained, and approval of redline drawings.
The flowchart of Redline Markup and As Built Drawings shows how the redlines shall be prepared following the approval and implementation of each construction activity.