MEP progress tracking from the drawings on site

    Installers mark what they have installed on the drawings they already use. Install Insights turns those marks into quantities, percent complete by system and live dashboards for the office — MEP installation progress tracking with no take-offs, no double entry and nothing new for the field to learn.

    How MEP progress is tracked today

    On most mechanical and electrical jobs, progress still lives on paper. A foreman walks the floor with a printed drawing and a highlighter. The redlined sheets go back to the office. Someone copies them into a spreadsheet, works out the quantities by hand and sends a report at the end of the week.

    Some teams add a tracking sheet per system or per floor. It helps, but it is still a copy of the drawing, kept up by hand. By the time the report lands, the site has moved on. The numbers describe last week, and nobody can easily check where they came from.

    That is the gap MEP progress tracking has to close: the distance between the moment a run of duct goes in and the moment anyone in the office can see it. Every hand the information passes through widens it.

    Why spreadsheets, redlines and templates fall short

    The problem is not effort. It is how many hands the data passes through. Every step between the installer and the report adds delay and a chance of error: a marked-up sheet left in a van, a row typed twice, a take-off done against an old revision.

    Spreadsheets also lose the link to the drawing. A cell that says a system is nearly done cannot show which runs are in, which are not, or who marked them. When the main contractor asks for evidence, someone goes back to site and counts again.

    Redlines have the same gap in a different form. A highlighted sheet shows what one person saw on one day, and it only counts once someone has measured it.

    An MEP progress monitoring template — a grid of storeys down one axis and systems across the other — organises the guesswork without removing it. The percentages in the cells are still someone's estimate, typed after the fact. We make the case for live data over a static grid in our post on MEP progress monitoring templates.

    Mark installs on the drawings crews already use

    Install Insights keeps the part of the process that works: the drawing. Drawings are published to a phone or tablet, and installers mark the areas they have finished, the same way they would with a pen on paper. There is nothing new to learn and no extra step at the end of the shift. Installers do not need BIM skills or licences to take part.

    The drawings are enriched with quantitative data from the project's Revit model. That is what lets a simple circle on a sheet count as progress data, not just ink. Crews who want more context can mark the same elements on a lightweight 3D viewer built from the model, covered in Revit model progress tracking.

    Marking works with no signal. A crew in a plant room or a basement records what they have installed, and the device syncs when it is back online. Nothing waits for a connection, and nothing has to be written down twice.

    From markups to MEP percent complete

    Every mark becomes data as soon as it is made. Install Insights reads the markup as quantities, status updates and percent complete, broken down by system. Isolate one system, such as chilled water, and see what is installed and what is left.

    Markups measure counts, lengths, walls, areas and volumes, so the quantity behind a percentage is the right kind of quantity for the thing being installed. MEP percent complete is then the installed quantity over the modelled quantity — not a number anyone had to judge.

    There are no manual take-offs and no double entry. The quantities come from the same model data the drawings carry, so the office and the field work from one source instead of two versions of the truth. A manager can see where a crew has got to without waiting for a site walk.

    Progress maps to the activities in the programme, whether that is Primavera P6, Asta Powerproject or Microsoft Project through MPX conversion. The same marks that give a foreman his percent complete give the planner the update they would otherwise have asked for.

    MEP progress tracking system by system

    An MEP package is not one job. Mechanical and electrical progress tracking only helps when each discipline is measured the way it is actually installed, and the markup carries the unit that fits it.

    • Ductwork is marked run by run on the sheet. Rectangular and circular duct carry area and length from the model, so a floor that is half ducted reads as half ducted rather than as a number somebody rounded.
    • Pipework works the same way by length, system by system. Heating, chilled water, domestic services and drainage can be isolated on their own, which is what a mechanical manager needs when one system is holding up a handover and the rest are fine.
    • Containment — tray, ladder, basket and trunking — is the electrical equivalent, measured by length along its route. It is usually the first electrical work to go in, so it is the first honest read on whether an area is ready for the cable that follows.
    • Cable is tracked against the cable schedule itself, row by row, through the stages you define: pulled, terminated, tested, energised. A cable is rarely done in one visit, and a single percentage per area hides that.
    • Equipment — boards, panels, AHUs, pumps, FCUs — is counted and taken through its own stages: delivered, set, connected, commissioned. Equipment links to the model by its tag, so a switchboard opens its own cable schedule straight from the 3D viewer.

    Cable and equipment come in from the schedules you already keep. Import a CSV or Excel file, map the columns once, and tick the rows through your own stages; our post on cable and equipment schedule tracking walks through it. Re-importing a revised schedule keeps the progress already recorded.

    What live MEP installation tracking replaces

    Nothing here asks a crew to do more. It removes steps that only existed because the drawing and the number lived in different places.

    • The weekly take-off. Quantities come from the model, so nobody measures a drawing again to find out how much of it is in.
    • The re-typed redline. The mark an installer makes is the record. It is not transcribed into a sheet by someone who was not on the floor.
    • The progress template. A grid of storeys and systems is built every time the drawing is marked, from the marks themselves, and it is current rather than weekly.
    • The chase for updates. A manager reads percent complete by system instead of ringing round for it, and can see which marks a number came from.
    • The separate evidence trail. Each figure traces back to the marks behind it, so a request for proof is a question the data already answers.

    Because the quantities and the hours are already there, the same marks support earned value: budget from unit rates, actual cost from recorded hours, CPI and SPI over time. Our post on earned value from installed work explains how that is put together.

    Who uses it on an MEP project

    Each role gets something different from the same marks, and nobody enters the same thing twice.

    • Installers and field crews mark their work as they go, with no training and nothing that slows them down.
    • Project and site managers get percent complete and quantities they can trust, without chasing crews for updates.
    • BIM coordinators set the project up from the Revit model they already own.
    • Main contractors and owners receive progress from the MEP trades that is current and checkable.

    The office sees all of it on construction progress dashboards that update as the work is marked.

    Frequently asked questions

    Short answers on what MEP progress tracking measures, which systems it covers and what the field needs.

    It is the record of how much of the mechanical, electrical and plumbing installation is actually in. In Install Insights that record is made on site: installers mark what they have installed on the drawings they already use, and those marks become installed quantities and percent complete by system rather than an estimate typed up afterwards.

    A template organises the reporting; it does not gather the data. The percentages in its cells are still someone's judgement, entered after a site walk. Here the percentage is calculated from the marks installers made and the quantities in the model, so it is current and every figure traces back to the marks behind it. Our post on MEP progress monitoring templates sets the two side by side.

    Anything in the model: ductwork, pipework for heating, chilled water, domestic services and drainage, and electrical containment such as tray, ladder, basket and trunking. Cable and equipment are tracked against your own cable and equipment schedules, row by row, through stages you define. Each system can be isolated on its own.

    From the installed quantity against the modelled quantity. Markups measure counts, lengths, walls, areas and volumes, so duct is measured by area and length, pipe and containment by length, and equipment by count. There are no manual take-offs, and progress is mapped to the activities in the programme.

    A phone, tablet or laptop with a web browser. No BIM software, no Revit licence and no training: marking a drawing works the way a pen on paper works. Progress can be recorded with no signal and syncs when the device is back online.

    Your PDF drawing sheets, the Revit model exported with the Install Insights Revit exporter add-in (Revit 2024, 2025 and 2026), and the project schedule. A BIM coordinator sets it up once from the model the team already owns. You can try it on one of your own projects with a free trial.

    Track your next MEP install on the drawings

    Try it free on one of your own projects, or book a demo and see it working first.