Talking about "hours to minutes" is easy. This page does the harder, more convincing thing: it walks one real-shaped job all the way through, so you can check the count, the materials, and the price yourself. It's an illustrative worked example, not a customer case study — the plan set is a typical small-commercial fire-alarm job, and every figure reconciles to the sample on the home page.
Read it before a demo so the numbers are on the tip of your tongue, send it as a follow-up to a prospect who asked "what actually comes out?", or just use it to gut-check whether the output matches how you already bid. Swap in one of your own analyzed plan sets before you put this in front of a specific customer.
01The job
A two-story tenant-improvement build-out, about 11,000 sq ft — a light-commercial suite with open office, a few enclosed rooms, a corridor, two stairs, and a rooftop unit with return-air duct detection. The GC issued a PDF plan set: architectural backgrounds plus the fire-alarm sheets, drawn to a 1/8" scale. Nothing exotic — the kind of set a fire-alarm shop bids most weeks.
How it gets done today: open the PDF, click-count devices sheet by sheet onto a legal pad or a Bluebeam markup, tally by type, then retype everything into a pricing spreadsheet and a proposal template. For a two-floor set that's a 3–6 hour afternoon — and every drawing re-issue means re-counting from scratch.
02Step 1 — drop in the plans
The PDF goes in as-is. Perfect Takeoff detects the sheets, reads the title blocks to separate the floor levels, and picks up the drawing scale — no CAD files, no manual sheet setup. A two-floor set is recognized as two floors, and each sheet is analyzed on its own.
Every detection is overridable. If a sheet lands on the wrong floor or the scale reads off, you set it by hand — the tool degrades to a faster manual review, never a silent wrong count.
03Step 2 — devices place themselves
The analyzer places a complete first pass across both floors, to NFPA 72 spacing, color-coded by type. Here's what lands on this set:
| Device | Placed | On the plan as |
|---|---|---|
| Photoelectric smoke detectors | 14 | SD blueprint blue |
| Wall horn/strobes | 9 | HS safety orange |
| Ceiling speakers | 6 | SP |
| Duct detectors + housing (RTU return) | 3 | DD violet |
| Manual pull stations (at exits) | 5 | P |
| Panel (FACP), modules & wire | — | rolled into the BOM |
| Placed field devices | 37 | + panel, modules, mounts, backboxes & wire |
That's 37 placed field devices plus the panel, modules, mounts, backboxes, and wire — the things a hand count forgets — all on a marked-up plan you can pan and zoom floor by floor. This is the moment that used to be the whole afternoon.
04Step 3 — review, price, send
Every marker is editable. Nudge a smoke that landed a foot off, add one the plan implies, delete a duplicate — and the bill of materials, labor, and quote recompute live as you go. Nothing is a black box; it's a fast first draft you sign off on, not a number handed down.
05What comes out
One upload, three deliverables — the marked-up plan, the live bill of materials, and the client-ready quote.
The bill of materials (live)
| Line item | Qty | Extended |
|---|---|---|
| Photo smoke detector | 14 | $1,806 |
| Wall horn / strobe | 9 | $1,431 |
| Ceiling speaker | 6 | $564 |
| Duct detector + housing | 3 | $885 |
| Manual pull station | 5 | $410 |
| Panel, modules, mounts, backboxes & wire | — | (balance) |
| Materials subtotal | $9,470 |
The five device lines are the visible headline; the materials subtotal also carries the panel, addressable modules, wall/ceiling mounts, backboxes, and wire — the quiet cost that a device-only count leaves off the bid.
The client-ready quote
| Line | Amount |
|---|---|
| Materials | $9,470 |
| Labor · 84 hrs @ $75/hr | $6,300 |
| Permit & fees | $650 |
| Margin | $1,820 |
| Total | $18,240 |
Rendered as a branded PDF proposal on your company header and license number — plus, from the same takeoff, an AHJ submittal and a riser. One upload, three deliverables.
06The before / after
| Step | By hand today | With Perfect Takeoff |
|---|---|---|
| Count both floors | 3–6 hours | ~minutes for the first pass |
| Re-key into pricing | separate spreadsheet, drifts out of sync | BOM + labor + quote are one live thing |
| Produce the proposal | separate template | branded quote, submittal & riser from the takeoff |
| A drawing re-issue | re-count from scratch | re-run, adjust the deltas |
| Estimator time | half a day | ~10 minutes + your review |
The win isn't "the computer counted." It's that the count, the price, and the proposal stop being three documents you keep in sync by hand — and the hours you'd have spent clicking go back into sharpening the bid or getting one more out the door.
07The honest part
Say it out loud — it builds trust. This is a computer-assisted takeoff for estimating and coordination — a reviewable first pass, not a stamped engineered design. Quantities, device locations, and code applications are subject to review by a licensed fire-protection engineer and the AHJ. Where a sheet is ambiguous, the tool flags it for review rather than guessing silently. The estimator stays in control of every marker and every number, and nothing goes to a client until you approve it.
That framing is the point of this example: a shop that bids fire alarm every week can see, in one job, exactly what lands on the plan, exactly what the BOM and quote say, and exactly where their judgment still runs the bid.
All figures are illustrative and internally consistent with the sample on the home page: materials $9,470 + labor 84 hrs @ $75 = $6,300 + permit $650 + margin $1,820 = $18,240. Swap in a real analyzed plan set before using this with a specific prospect.
Run one of your own bids through it
Perfect Takeoff is in early access for fire-alarm estimators and contractors. Bring a job you've already bid, drop in the PDF, and fact-check the count against a number you already trust — then see the BOM and quote build themselves.
Questions about this example? hello@perfecttakeoff.com
Perfect Takeoff produces computer-assisted draft takeoffs for estimating and coordination — not stamped engineered designs. All quantities, device locations, prices, and code applications in this worked example are illustrative and subject to review by a licensed fire-protection engineer and the authority having jurisdiction. NFPA 72, NEC, IBC, and IFC references are for coordination only. © 2026 Perfect Takeoff.