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EngineeringExample from: construction and industry

New revision, changes with evidence.

A new plan version arrives. The software compares it with the old one and finds the changed spots, and the AI describes them. Every change shows its evidence in the plan. What purchasing, production planning or the site need to update is ready as a draft. Your specialist decides.

Plan comparison
Muster AG, offices, 1st floorRev. BRev. B → C
only in Rev. Bonly in Rev. Cspot found
Evidence: dimension 2.90 → 3.10 m from axis CEvidence: door size T1.02, 1.00 mEvidence: room 1.05, only in Rev. CEvidence: window F1.04.2, only in Rev. B
Plan versions
Floorplan_1stFloor_RevB.pdf12.08.2026 · previous
Floorplan_1stFloor_RevC.pdf02.10.2026 · newnew
Comparisoncalculated, no AI

Lines, dimensions and text, spot by spot
4 spots foundThe AI describes only these spots. Each gets its evidence in the plan.
4 changes
Described by the AI, rated by your rules
  1. Evidence: dimension 2.90 → 3.10 m from axis C

    Site: re-survey the wall

    Purchasing: adjust the flooring

  2. Evidence: door size T1.02 in the plan

    Site: reorder the door

  3. Evidence: room stamp 1.05, only in Rev. C

    Inform designers: electrical, ventilation

  4. Evidence: window F1.04.2, only in Rev. B

    Purchasing: take the window off the order

Drafts for 3 recipients
SiteDraftapproved
  • Re-survey wall 1.03/1.04
  • Reorder door T1.02, 1.00 m
PurchasingDraftapproved
  • Adjust flooring in 1.03 and 1.04
  • Take window F1.04.2 off the order
DesignersDraftapproved
  • New room 1.05: electrical and ventilation
  • Facade: window F1.04.2 removed
Your team confirmsNothing sent yet.Your team has confirmed, now it goes out.
Rev. C against your requirements
  • Offices at least 12 m²Met: 1.03 has 14.9 m²Muster AG requirements spec, ch. 3.2
  • Step-free door, at least 0.80 mMet: T1.02 is 1.00 mStandard, extract in the project folder
  • Meeting room 1.04 with two windowsPlease check: Rev. C shows only oneClient request, minutes 12.09.2026
  • Every room with number and usePlease check: 1.05 has no useInternal rule, planning

Unclear means: your specialist takes a look.

Bracket KN-210, Muster AGRev. 3Rev. 3 → 4
only in Rev. 3only in Rev. 4spot found
Evidence: top view, 2× Ø11Evidence: title block, material S355Evidence: dimension 120, now ±0.1Evidence: parts list item 4
Revisions
KN-210_Rev3.pdf15.08.2026 · previous
KN-210_Rev4.pdf06.10.2026 · with parts listnew
Comparisoncalculated, no AI

Views, dimensions, title block and parts list
4 spots foundThe AI describes only these spots. Each gets its evidence in the drawing.
4 changes
Described by the AI, rated by your rules
  1. Evidence: top view, dimension entry 2× Ø11

    Prod. planning: adjust drilling programme

  2. Evidence: title block, material field

    Purchasing: change the material

  3. Evidence: dimension 120 in the top view

    QA: add to the inspection plan

    Prod. planning: check machining

  4. Evidence: parts list, item 4

    Purchasing: order M10 screws

Drafts for 3 recipients
PurchasingDraftapproved
  • Material S355 instead of S235
  • Screws M10×25 instead of M8×25
Production planningDraftapproved
  • Adjust drilling programme to Ø11
  • Check machining for dimension 120 ±0.1
Quality assuranceDraftapproved
  • Add dimension 120 ±0.1 to the inspection plan
Your team confirmsNothing sent yet.Your team has confirmed, now it goes out.
Rev. 4 against your requirements
  • Material at least S355Met: Rev. 4 states S355Requirements spec KN-210, ch. 2.1
  • Clearance hole for M10: Ø11Met: 2× Ø11Works standard WN-04
  • Tight tolerance needs an inspection planPlease check: no entry found for dimension 120 ±0.1Internal rule QS-07
  • Screws galvanisedPlease check: finish not in the parts listClient request, email of 03.09.2026

Unclear means: your specialist takes a look.

Example, fictional data

Magnifying glass.Highlighter.Two screens.

The software shows what has changed.

Every change with its evidence in the plan, rated by your rules. Who needs to update what is ready as a draft. Your specialist decides what goes out.

Compare first, then describe.

The software lays the new version over the old one and finds the spots that have changed. That is calculated, without AI. Only then does the AI come in. It describes only these spots, in your terms.

  • Every change with evidenceYou see the spot in the plan, for example the changed dimension or the line in the parts list.
  • Unclear means: specialistWhatever cannot be read reliably is marked as unclear. The software does not guess.
  • Your requirements, with sourceChecks run against your requirements spec, your standards and your internal rules. Every point shows where the rule comes from.
  • Follow-ups as draftsWho needs to update what is ready as a draft. Your specialist decides what goes out.
From practiceWhat has changed in the new plan?View project

The same revision, two ways

What actually changes for your team. Both ways start at the same time.

Today

Compare, note down, look up, pass on.

  1. 1Open both versions side by side
  2. 2Compare spot by spot with a magnifying glass and highlighter
  3. 3Copy the changes into a list
  4. 4Lay the requirements spec and standards alongside
  5. 5Inform purchasing, production planning and the site one by one

Passed on. The next revision has already been announced.

With AI

Look, clarify, approve.

  1. 1File the new revision
  2. Compare, describe, check against requirementsdone by the software
  3. 2Look at the changes with evidence
  4. 3Clarify unclear spots
  5. 4Approve the follow-ups

Passed on, with evidence for every change.Your specialist decided, the software prepared.

Example: the same revision, both ways at once
Your
plan comparison
PDF plans from CAD Business Central Microsoft 365 Parts lists ERP or Excel Abacus, Bexio Your system with API

Fits your plans and systems.

The software reads PDF plans and drawings, ideally exported straight from CAD. It fetches parts lists from the ERP or from Excel. The drafts land where your team works: in Microsoft 365, Business Central, Abacus, Bexio or in any system with an interface.

  • For construction and industryIn construction, plans and tender documents, in industry drawings, parts lists and revisions.
  • Tailored to your needsYour terms, your ratings, your rules and approval paths.
  • Hosted where you wantIn your own environment or with a provider of your choice.

Why Kallysoft

Every change with evidence in the plan. What is not recognised reliably goes to your specialist, and nothing is passed on until you approve.

More on why Kallysoft →

Which plans does your team compare by hand today?

Drawings, parts lists, tender documents: tell us about it. In a short conversation, we look at where a comparison takes work off your hands at your company and where a specialist had better take a look. No obligation, of course.

Send a project enquiry

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