Checklist of information to record during gPIMS sensor installation

Please fill in the information listed below as the installation progresses and send photos and wg4 files to GUL as soon as that stage of the installation has been completed, to ensure issues can be rectified going forwards.

Checklist of information to record during gPIMS sensor installation

General Information

Inspector Name

Name of GULT qualified inspector performing the installation of the gPIMS sensor

Installation assisted by

Name of any individual assisting the inspector with the installation

Sensor owner (company name)

The company who purchased the sensor, e.g. Brentford Oil

Installation site name

Site where gPIMS sensor is being installed, e.g. Brentford Refinery, Brentford Platform

Structure name

Structure where gPIMS sensor is being installed, e.g. Pipeline 001, Flare system 002

Line owner

The name of the company who owns the pipeline where the gPIMS is being installed

Line name

The name of the pipeline where the gPIMS is being installed

Line ID

The identifying number of the pipeline where the gPIMS is being installed

Line notes

Any further information about the pipeline where the gPIMS is being installed

GPS coordinates

Lattitude, longitude

General Notes

Any further information about the installation of the gPIMS or the UT measurements performed prior to install.

gPIMS sensor Information

gPIMS serial number

e.g. R2P-02987

gPIMS cable length

e.g. 10m

gPIMS installed orientation

Position of the closing mechanism(s) e.g. default is closing mechansim at 12 o’clock, or when combining 2 gPIMS default is closing mechanism at 3 and 9 o’clock. For vertical gPIMS provide compass orientation of closing mechanisms(s).

gPIMS cable orientation

A, B, C, or D. The direction of the cable exiting from the square connector plugged into the gPIMS. A, B, C, and D are moulded into the outside of the gPIMS. Default is with the cable exiting towards C, i.e. towards the long end of the gPIMS.

Pipe Thickness Information

Nominal pipe schedule (wall thickness)

e.g. 6.7mm

UT measurements at gPIMS installation location

Minimum

Maximum

Mean

It is recommended to perform fully circumferential ultrasonic measurements of the wall thickness at the sensor location prior to installation, recording at least the minmum, maximum and mean thickness

Installation Test Files

Please upload these files to GUL using WavePro or GUL uploader software and enter the filenames into the corresponding boxes below.

Pre-installation GW test

GW test conducted using inflatable or solid transducer ring. Features marked up, DACs set, ends of test marked. Any follow up information.

Installation GW test 1

Installation test using the gPIMS after applying the epoxy resin Araldite 2014, but before sealing the sensor

Installation GW test 2

Installation test using the gPIMS after sealing the sensor with Tigerseal and Resin Pack 14C

Post-installation GW test

Post- installation test using the gPIMS after all adhesives have cured (at least 24 hours after installation)

Reference file GW test

Reference file. If pipe is buried this will be after backfill. Otherwise it will be the post-installation GW test.

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