Fabrication

DRAWING CONTROL

DRAWING CONTROL

Drawing control activity shall be carried out as follows:

a) Control of drawings issued by client

1. All client-supplied drawings shall be maintained separately with a drawing control register maintained by DCC.
2. Controlled copy (red stamped) of the drawings shall be distributed with a “Transmittal” to the relevant discipline manager/engineer and subcontractor.
3. Any revision/amendment shall be re-issued to the controlled copy holders, and the obsolete revision shall be withdrawn by DCC.

b) Control of drawings issued by PCR/consultant

1. All PCR/consultant-supplied drawings shall be maintained separately with a drawing control register maintained by DCC.
2. Controlled copy (red stamped) of the drawings shall be distributed with a “Transmittal” to the relevant discipline manager/engineer and subcontractor.
3. Any revision/amendment shall be re-issued to the controlled copy holders and the obsolete revision shall be withdrawn by DCC.

c) Control of drawings issued by vendors

1. All vendor-supplied drawings shall be maintained separately with a drawing control register maintained by DCC.
2. Controlled copy (red stamped) of the drawings shall be distributed with a “Transmittal” to the relevant discipline manager/engineer and subcontractor.
3. Any revision/amendment shall be re-issued to the controlled copy holders and the obsolete revision shall be withdrawn by DCC.

16 Handbook of oil and gas piping

The following shall be ensured during drawing control activity:

DOs

• Check for the latest revision of drawings from the drawing control register.
• Use only red stamped controlled copy (received from DCC) for the fabrication/installation activities.
• Return the obsolete drawings to DCC after receiving the latest drawings.

DON’Ts

• Don’t use the “Information” drawings for fabrication/installation.
• Don’t receive any unauthorized drawings/sketches that are not issued through DCC.
• Don’t forget to update the drawings master list daily.