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Engineering Document Search

Engineering document search that answers a plant question from the page that counts, says which revision governs, and hands safety calls to an engineer.

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Follow one on-call question, from 2:10 a.m. ↓
The problem

A plant question at night, and four documents that disagree

The answer to one plant question sits across a relief study, a change record, a P&ID and a marked-up copy in the control room. Each lives in its own system with its own login, and scanned drawings cannot be searched at all.

A replaced revision turns up in a search right beside the one that counts. A hand note on a printed copy may be the only trace of a field change. When the records hold no answer, nothing says so, and the engineer on call fills the gap with a guess or a phone call nobody answers.

Built forOperations engineersProduction engineersProcess safety engineersRecords stewardsInternal auditors

The Problem Today

The answer to a plant question sits across drawings, studies and notes, and old pages read just like new ones.

Each
change altering a P&ID or relief basis must update the records published

Searched by hand today

  • Drawings
  • Studies
  • Hand notes
  • Changes
  • One search per systemEach source has its own login and its own search box
  • Silence looks like an answerNothing tells you the records hold no answer

The Solution

  1. All the plant's pages readDrawings, specs, scans and hand notes, each tied to its tags
  2. Ask in plain wordsBy tag, system or topic; closed areas removed before any search
  3. Answer with a statusEach line cited: governing, older revision or hand note
  4. A person for safetyNo how-to on isolation or pressure; a named engineer replies

Built-in controls

  • Each correction waits for a second signature
  • Closed text is never searched for you
  • Agents never say something is safe

What You Get

Engineers start from the page that counts, at any hour, and know when to call a person.

30,720
hours back a year if 640 people each save 1 hour a week our estimate
  • Answers that show their footingGoverning, older revision or hand note, on each answer
  • An honest not-foundWhere it looked, what it could not open, who likely knows
  • Searches on the recordWho asked, what they saw and who agreed, ready to export
One question, on call

Engineering document search at 2:10 a.m., on a relief valve that changed jobs

The day crew plans to pull PSV-3104A off separator V-3104 for shop work, so the engineer on call asks what still protects the vessel. The original relief study calls that valve the duty valve. Since a later change moved its partner to a new flare header, it is the spare.

demoThe field, its people, its tags and every number here are sample data.

  1. 012:10 a.m.

    One question line over 1,904,216 documents

    Operations engineer, on call

    The first screen is a dark field in which each faint point stands for about 250 documents: drawings, studies, changes, vendor manuals, handover dossiers. One line takes a question by tag, system or topic. No folder to pick: at this hour, the people who remember where things are filed are asleep.

  2. 022:10 a.m.

    Her own permissions are applied before a single passage is read

    Agents, for the engineer

    The steps run in view. The question is planned around V-3104, PSV-3104A and relief protection. Her closed areas are taken out first. 1,214 documents name the vessel, and 8 of them bear on relief. The old relief table is found to be replaced, and a hand note is read at 82%, below the line, so it counts as a hand note and never as a record.

  3. 032:11 a.m.

    PSV-3104B carries the vessel, and with A out there is no installed spare

    Operations engineer, on call

    The points draw together around a cited answer. Green nodes govern, an amber ring marks the replaced relief table, violet marks the hand note. One thing does not line up: all of PSV-3104B's relief runs through outlet valve HV-6127. The answer says plainly that these records do not say PSV-3104A can come out, and names the process safety engineer who confirms first.

  4. 042:11 a.m.

    Part of the original relief study is replaced, and the rest still stands

    Operations engineer, on call

    Opening the amber node shows Table 6.2 highlighted on page 41 and a banner: Rev 3 says in its own words that it replaces Table 6.2 and Section 6.4 of Rev 2. The fire case on page 58 still stands. Status sits on the section, so a study that is mostly still good keeps its standing.

  5. 052:11 a.m.

    LO w/ seal in red pen, on a printed copy in the control room

    Operations engineer, on call

    The violet node opens the control room copy of the P&ID. Beside HV-6127 someone wrote that the valve is locked open with a seal, with initials and a check date. The reading is 82% sure, and the page states that this is not a controlled record. A field change that only lives in pen gets seen at night, labeled for what it is.

  6. 062:11 a.m.

    The car-seal register lists eight valves in Area 61, and HV-6127 is missing

    Operations engineer, on call

    The register, Issue 9, lists HV-6121 to HV-6126, HV-6128 and HV-6129 as sealed open. HV-6127 is not there, and the change left adding it as an open action. So the only proof that the one outlet valve is sealed open is a pen note. That gap is what keeps PSV-3104A in its place tonight.

  7. 072:13 a.m.

    Her reply stays locked until she opens all three sources

    Process safety engineer

    The question arrives in her queue due 2:41 a.m. on the 30-minute night clock, beside an overdue question already passed to the deputy. She sees why it came to a person: someone may act on it. A padlock line reads opened 0 of 3, and the reply waits for her to read the relief study, the hand note and the register herself.

  8. 082:13 a.m.

    Not confirmed: walk HV-6127 and confirm the seal first

    Process safety engineer

    With each passage open in front of her, she picks Not confirmed: needs a field check first, writes in her own words what the asker should do next, and signs. One person can say no; a yes would need a second person, the deputy. The passages she opened stay under her reply.

  9. 092:14 a.m.

    The reply sits on top of her answer, in red

    Operations engineer, on call

    Back on her own screen, the answer now opens with the reply: not confirmed by the process safety engineer, walk HV-6127 first. The cited answer stays beneath it unchanged. The day crew gets one page with the records, the gap and the decision of the person who owns it.

Four things a search box would have handed over as answers

Each comes from the sample records, and each would have looked fine in a list of results.

A table that changed jobs

The original study names PSV-3104A as duty. A later addendum replaced that table, and the answer quotes the newer one.

A seal that exists only in pen

HV-6127 is drawn locked open, noted as sealed by hand, and missing from the register.

A pump rating under a flag

P-3302A reads 640 gpm on its sheet; flag F-2291 says the nameplate shows 720 gpm, so the answer says do not rely on it yet.

A bench test in a locked file

PSV-3102A's last bench test may sit in a password-protected file filed under the valve. The answer names that file and leaves the date blank.

demoSample data, from the working solution.

Where 12,408 October questions landed, by what they rested on

One month of questions, by what each answer stood on.

Rested on a governing revision9,862
Rested on an older revision, and said so1,214
Rested on a hand note, and said so684
Not in the records, with where it looked412
Sent to a person236
Questions asked in October12,408

demoSample data, from the working solution.

Around the answer

Where the records steward settles which revision is the latest

The screens behind the answers: what governs, what was flagged, what waits for a reader, and who can open what.

Not in the recordsNo date for PSV-3102A's last bench test. It lists the procedure and datasheet it read, the protected file it could not open, and who likely knows.
Which governs342,680 replaced links: 281,904 from the document system's log, 52,318 signed by two people, 8,458 open. A batch shows 4 links where a live run draws more.
Flagged answersA production engineer flagged 640 gpm on P-3302A. The finding: the Rev C sheet sat under an old tag. The steward rules; another person must agree.
Hand notes below the line2,318 hand notes wait for a person. RO-6131 reads 3/8 or 5/8 at 71%, so no value is given until two people agree on the reading.
Who can open whatPermissions copied from the source systems, last at 2:00 a.m. Closed areas come out before any agent reads or counts a passage.
One tag, its valuesV-3104 values, each with the page that holds it and its status: required relief rate 96,400 lb/h, design pressure 675 psig at 200 F.

demoSample data, from the working solution.

The agents

Eight agents behind one answer, and none of them may call the plant safe

Each passes its work along the chain, or to a named person.

Question planner

Finds the tag, system or topic in a question and plans where to look.

  • Never answers from memory
  • Stops a question about whether or how to do work, and routes it to a person
Access guard

Removes a person's closed areas before anything is searched or counted.

  • Never grants access
  • A match only in closed text looks exactly like no match
Document reader

Reads drawings, specs, scans and hand notes.

  • Never guesses a digit
  • Below the reading line, hands it to the steward
Tag linker

Ties documents to tags, and to old names for the same equipment.

  • Never merges tags without a signed mapping
Revision checker

Works out which revision governs, section by section.

  • Never calls a document replaced on similarity alone
  • An unfinished change replaces nothing
Answer writer

Writes only from passages, and puts a status on the answer.

  • Never fills a gap
  • Never says something is safe
Not-found reporter

Lists where it looked, what it could not open and who likely knows.

  • Never estimates
  • Never borrows a value from a similar tag
Watch agent

Runs a saved question again when a source behind it changes.

  • Reports old and new answers; never acts on them

A pulled relief valve or a sealed outlet stays a call for people

The search finds and cites. These decisions sit with named people.

Whether equipment can come out of serviceQuestions about isolation, pressure, bypasses or fitness for service get no how-to and no yes or no. They go to the permit, the procedure for the job and the process safety engineer.
Which document replaced whichAgents propose a link with a named rule. The records steward rules; someone else opens a drawn sample before countersigning.
What a hand note saysBelow the reading line, the steward confirms the reading and a second person checks it before it can be searched as a value.
A correction to an answerAnyone can flag an answer. The answer changes only after the steward rules and someone else countersigns.
Who can see a sourcePermissions come from the source systems. An access request is granted there, never in the search.

Five places a plant's documents sit, and none of them is written to

The search reads them and writes nothing back. Unreadable files are counted by reason, and the steward can ask the owner for a clean copy.

Document management systemControlled drawings, studies and their revision log
Engineering file sharesWorking copies, memos and spreadsheets
Scanned paper archiveOld drawings and marked-up prints, read page by page
Contractor handover drivesVendor documents and handover dossiers
Maintenance systemAttachments and the equipment list the tags come from

What engineers ask before trusting an engineering document search

What is engineering document search?

Engineering document search lets an engineer ask a plant question by tag, system or topic and get an answer drawn from drawings, studies, change records and scans. Here each statement cites its passage, and each answer says whether it rests on the governing revision, an older one or a hand note.

How does it know which revision is the latest one that governs?

The revision checker reads each document's own words, the document system's log and the change records. It marks status by section, so a study can be partly replaced. A link an agent proposes counts only once the records steward signs it and another person countersigns.

What happens when the records hold no answer?

It says not in the records, lists what it read, names any file it could not open and says who likely knows. It does not estimate, and it does not borrow a value from a similar tag.

Will it tell us whether a valve can be isolated or a device taken out?

No. Any question about isolating, bypassing, pressure or fitness for service is answered with the permit, the procedure for the job and the process safety engineer, never with steps. The engineer reads the sources and replies, and a yes needs a second person.

Can it search scanned P&IDs and hand-marked prints?

Yes. Scans are read page by page and tied to their tags. A hand note is labeled as a hand note, with how sure the reading is, and a note below the reading line waits for the steward and a second person.

Does it respect who is allowed to see what?

Permissions are copied from the source systems, and a person's closed areas are removed before any agent reads or counts a passage. A match that sits only in closed text looks the same as no match.

How does it keep process safety information current after a change?

A saved question is watched. When a signed change moves a source behind it, the person who saved it sees the old answer and the new one side by side.

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Bring one question
your night shift could not answer.

Ask it about one of your own tags, and we’ll show the cited answer, its status and the hand-off.

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