Operations and Maintenance.
Operations inherits the controls dataset on day one and lives with it for 20 to 40 years. Drawings revise on a different cadence than the plant, and the master P&ID set drifts from the installed reality unless something keeps them aligned.
Three drawings included on a new account.
P&ID extraction for plant operations.
Operations-phase controls dataset off the master P&ID set. Re-baselined instrument index, MOC change reports, SIS proof-test scope, and PSM and IEC 61511 audit responses.
What Operations produces.
- Operations master instrument index with calibration history per tag
- SIS proof-test schedule per IEC 61511 lifecycle
- MOC packages per drawing revision with field-level change reports
- Reliability tracking per loop and per equipment item
- Spare parts list keyed to instrument model on the index
- Audit-ready instrument datasets for regulatory inspections
Where Tagsight fits.
- Re-extracts the master P&ID set on demand so the operations instrument index re-baselines without a multi-month consulting engagement
- Generates MOC change reports automatically when a revised drawing is uploaded against the prior baseline
- SIS scope filters out for the proof-test schedule and the IEC 61511 functional safety audit
- Cross-facility extractions for operating companies running multiple sites. The same workspace structure scales across the portfolio
- Structured exports for inspectors, regulators, and insurance auditors
- Holds revision lineage indefinitely so the as-installed reality at year 5, year 10, and year 20 stays traceable
Common challenges.
- Master P&ID drift. The drawings on file diverge from installed reality without anyone noticing until the next major MOC catches it
- MOC backlogs accumulate when drawing revisions cannot be folded into the controls dataset on the schedule the regulator expects
- SIS proof-test programs lose alignment with the LOPA when instrument changes are made and the index is not updated
- Audit responses require pulling the same dataset in different formats, PDF for inspection, Excel for the index, CSV for the reliability system. Maintaining all three by hand introduces inconsistency
- Multi-site operating companies run different controls dataset structures per site, making portfolio-level reliability tracking impossible
- Brownfield modernization projects, DCS migration, PLC retrofit start from the operations instrument index. If that index is stale, the modernization carries the staleness forward
Common questions
How does Tagsight support a regulatory audit, PSM, RMP, IEC 61511.
The structured extraction is exportable to Excel, CSV, and JSON. Auditors typically request the instrument index, the SIS subset, and a sample of the source P&IDs. All three are produced from the same workspace without separate reformatting.
Can Tagsight handle a portfolio of operating sites under one operating company.
Each site is its own workspace. Workspaces are independent. Tag-naming conventions can differ per site without collision. Cross-facility tag collision detection surfaces when the same tag prefix is reused across sites under conditions that matter for portfolio reliability tracking.
What is the typical interval between extraction re-baselines for operations.
Re-baseline frequency tracks drawing revision frequency. A unit with quarterly MOC churn re-runs the extraction quarterly. A unit with annual revisions re-runs annually. The pricing model is per-page, so re-baseline cadence is an operational decision rather than a license commitment.
Does the extraction support DCS migration projects on operating units.
Yes. The structured tag dataset exports to TIA Portal, Rockwell L5X, and PLCCreator for the migration target. The reconciliation step against the live DCS point list catches the tags that exist in the running plant but are not on the drawing, and vice versa, before the new platform inherits the gap.
Use it through Operations.
P&ID drift from installed reality is the standing risk in long-term operations. A structured re-baseline off the current drawing set, diffed against the prior record, produces the MOC change report and the updated SIS scope that PSM and IEC 61511 audits require.
Three drawings included on a new account.