∗
The EPC supplied documentation for installation, commissioning and
site acceptance testing (SAT) not used.
∗
Full installation quality control, testing and commissioning dossier not
available. Such as:
∗
Documentation available was sparse and did not provide sufficient evidence of
testing of all installed equipment;
∗
No installation quality assurance inspection certificates;
∗
Some continuity and earth test certificates for the instrument cable not dated:
∗
No continuity and earth test certificates for the power cable:
∗
No as-built drawings (e.g. red lined or as-built available on site).
∗
The level voting was 1oo2 sensors, but the level trip settings on each
sensor was different and at wrong settings.
∗
There were calibration issues for the new radar level sensors, with
different ranges and zero datum points used for same tank.
Findings