Loop Numbering Clause Samples

Loop Numbering. Instrumentation shall be identified in accordance with the conventions shown on standard Drawing 130-FP-002. Loop numbers shall be of the form AABBBB where AA is the instrument code as per Drawing 130-FP-002 and BBBB is a 4 digit sequential counter that is unique compared to both other loop numbers and equipment numbers. An initial loop number database for the project is identified in the Loop Number Register. Any additional loop numbering shall be labelled by the Vendor / Consultant from a batch of sequential counter numbers provided by LGL. Loop numbering shall be carried out in such a way that instrument items grouped together physically in the final plant and/or grouped together on the P&ID drawings, shall have closely sequenced numbers.