Plant Walkdown
Production facilities often do not have the up to date drawings that are needed for maintenance and operations.  DES offers the following:

P&I Diagrams:   Field verify and record existing process systems and control details.

Control Schematics:   Record loop sheets and logic diagrams to actual operational modes.               

Electrical Elementaries:   Determine as built state of electrical systems and basis for operation.

Maintenance Documents:   Prepare up to date documentation as requested using CAD system to match the facility standard.

Record Drawings:  Develop and prepare updated drawings from red line markups from contractors or facility personnel.