How It Works: Drawings In, Bid-Ready Package Out
You send a drawing set and a bid date. An estimator reads it, scopes it, and sends back one fixed price with a delivery date attached. You approve that in writing or you walk away, and either way it has cost you nothing. Only after approval does anybody measure a line.
The whole thing, in four moves
- You send drawings, a trade list and the date the bid closes
- We read the set and send one fixed price with a delivery date
- You approve it in writing, and only then does anybody measure
- Two estimators check it, then the workbook, the marked-up sheets and the scope record land in your inbox
The four stages, and who is holding the job at each one
Two of these stages need something from you and two of them do not. Knowing which is which is most of what a first-time client wants settled before they attach a single file.
You send the set and name a date
We read it and send one fixed price
You approve in writing, then production runs
Two checks, then the package lands
What we need from you, in the order it matters
The first four lines below change the answer you get back. The rest make the package better, and none of them stop a job starting. Send what exists today instead of waiting for a folder that is finally complete.
When part of the set is not in the folder
Almost nothing arrives complete. None of the five below stops a job, and each one changes something you ought to know about before you approve a price.
There is no spec book, only drawings.
The job runs. Quantities come off the drawings either way, because drawings govern geometry. What you lose is the assembly detail: fire ratings, finish levels, acceptable substitutions. Those move to the scope record as stated assumptions instead of priced facts, and the list of them gets shorter the moment you send the sections.
Addenda have dropped and I have not sent them.
Send them the moment you have them, even mid-production. An addendum that lands before delivery is folded into the run. One that lands afterwards is quoted as its own small job against the conditions it actually moves, and the count of affected lines is usually far smaller than contractors expect.
The set is a scan of a printed roll.
Workable, with one caveat. A scan measures fine once a known dimension on the sheet confirms the scale. What a scan cannot give is searchable text, so sheet indexing and schedule reading happen by eye and take longer. That shows up in the quote as hours, and it is named there rather than buried.
The sheets came in at the wrong scale.
This is the one that quietly ruins a bid, so it gets caught first. Every sheet is checked against a dimension the drawing itself prints. A page scaled to fit, rotated or reduced reads short and looks perfectly normal on screen. If a sheet refuses to reconcile, you are told and asked for a clean issue.
My bid form is one you have never seen.
Send it anyway. A bid form is read once at intake, its line structure is mapped to the workbook columns, and the package is built to drop straight into it. Unfamiliar forms are the norm on public work. The only form that causes trouble is the one nobody sent until after delivery.
What an estimator does with your set before any figure exists
Stage two is a person opening your drawings, not a form generating a number. It costs nothing, it commits you to nothing, and it is where most of what you need to know about your own set gets found. Here is each pass and what reaches you out of it.
| Issue and revision check | Which issue you are actually bidding, and whether any sheet is superseded | The issue and addendum number the whole engagement is written against |
|---|---|---|
| Trade coverage against your list | Whether these sheets can support the divisions you named | A straight no where a trade is not measurable from what you sent |
| A scale sample across the set | Whether the sheets can be trusted at face value | A request for a clean issue where a sheet refuses to reconcile |
| Schedules and details present | How much would have to be assumed rather than read | The assumption list you would be buying, named in advance |
| Specification sections for your trades | Whether assembly detail is available anywhere in the folder | Which sections would shorten that list if you sent them |
| Your bid form and its units | The shape and the order the workbook has to land in | Confirmation the package will drop into your form as issued |
| Your bid date against the calendar | Whether the date is deliverable at all, at this queue depth | A delivery date in writing, or a refusal to take the date |
| Quantities only, or quantities priced | How many passes over the same measure the order needs | One figure covering exactly the scope you asked for |
Send one set and find out what the number is
Name the trades and your bid date. Back comes one fixed price, a written inclusions and exclusions list, and a delivery date. Say no to it and the whole thing cost you a ten-minute upload.
Start at your bid date and work backwards
Every date on a bid hangs off one fixed point: the hour the owner stops accepting submissions. Fix that and the rest of the calendar falls out of it. When the drawings need to be with us, when the fixed quote comes back to you, when production runs, and the day the package lands with enough room left to read it properly. Work it out for your own next bid before you commit to anything.
What happens between approval and the file leaving
Production is not one long act of measuring. It is six numbered passes over the same set in a fixed order, plus the scope record that gets written while they run. Every one of them exists because skipping it breaks something further down.
Day one: reading the set before measuring any of it
Roughly the first quarter of the job produces no quantities at all, and it is the part that decides whether the rest is worth anything.
Sheet index and triage
PASS 1Every sheet is listed, classified and marked in scope, out of scope or reference only. Duplicate issues, superseded sheets and sheets belonging to a trade you did not order are separated out before anything else happens.
Superseded sheets pulled first
A set often carries two issues of the same plan. Measuring the older one is a silent error that survives every later check, so issue dates get resolved before a single condition is drawn.
Scale verification, sheet by sheet
PASS 2Each sheet is calibrated against a dimension the drawing itself prints. Not against the scale bar, not against the paper size, and not against whatever the previous sheet needed.
Verified per sheet, not per set
One sheet in a set can be reduced while the rest are correct, usually a detail sheet or a late reissue. Calibrating once at the front and trusting it across the whole set is how a trade ends up reading ten percent short.
Scope boundary written down
PASS 3Before any measuring starts, the edge of what was ordered is written out in the same words that will appear on the delivered scope record.
Written at the start, not reconstructed at the end
An exclusions list written after the work is finished describes what got missed. Written first, it describes what was decided. Those are two different documents and only one of them is worth reading.
Days two to four: measuring, reconciling, pricing
The passes that produce the numbers, and the pass that makes them defensible six months later.
Measured by condition
PASS 4Wall types, door marks, finish levels, pipe sizes and assemblies stay separated all the way into the workbook, each with its own line and its own markup color.
No gross-area shortcuts
Averaging a rated assembly into a non-rated one saves an hour now and costs the difference at buyout. Types stay apart even where the drawing invites you to lump them together.
Cross-check against schedules and details
PASS 5Counts taken off the plan are reconciled against the door, window, finish, equipment and fixture schedules, and against the details the plan points at.
Three sources have to agree
Plan, schedule and detail are read together. Where they agree, the number is settled. Where they do not, both readings and the quantity difference between them reach you before delivery.
Conflicts are yours to settle
Which reading a bid carries is a commercial decision about risk, so it is put in front of you rather than resolved quietly in one direction or the other.
Pricing, if you ordered it
PASS 6Quantities-only work stops here. If you ordered a priced build-up, labor, material, equipment and burden go on in a second pass over the same measured lines, against the market the job gets built in.
See construction estimating servicesThe scope record, written as it goes
THE RECORDAssumptions, inclusions and exclusions are logged the moment they are made, each carrying the sheet number that caused it. It is the page that settles a scope argument at buyout, and it cannot be reconstructed honestly after the fact.
Two people check it, and they are not looking for the same things
Every package gets a self-check by the estimator who built it, then an independent audit by a second estimator. Those two passes catch different failures, which is the only honest reason the second one earns its place.
The self-check is arithmetic and completeness. The estimator who did the work walks their own conditions back against the sheets: is every area of the plan accounted for, does every line carry a unit, do the subtotals add up, is anything counted twice because it appears on two sheets. It catches the mechanical mistakes, and it catches most of them, because the person running it still remembers why each call was made.
That memory is also the ceiling. Nobody can audit their own reading of a drawing, because the misreading and the check share a brain. An estimator who decided on Tuesday that a hatched area was slab on grade will decide exactly the same thing on Thursday, with the same confidence and in less time.
So the second estimator starts from the drawings rather than from the workbook. They take the lines carrying the most money and re-derive them independently. They read the scope record against the set and ask what a hostile reviewer would ask, which is what the drawings clearly show that this list does not mention. They check units against your bid form if you sent one. And they look at the shape of the numbers, because a wall type at four times the area of every other wall type on that floor is usually a mis-hit rather than a real condition.
Whatever fails the audit returns to the estimator who built the package, and the file does not leave the desk in that state. The affected conditions are re-run and re-checked before delivery. That loop lives inside the 24-96 hour window, which is one of the reasons the window is a range rather than a promise of tomorrow morning.
Every tab in the workbook, and how one number traces back to a wall
Three files arrive by email. Here is what sits inside each of them, and the trace test that tells you in under a minute whether a package is auditable or merely confident.
The workbook, tab by tab
Editable Excel or CSV, unlocked, in our layout or in yours.
Cover and basis
TAB 1Project name, the drawing issue and date the package was measured from, the addenda included, the trades in scope and the delivery date. One page that tells anyone picking the file up in six months exactly what it was built against.
Quantities by division
TAB 2One tab per trade or one per division, depending on how you asked for it. Every line carries a description, a location reference, the unit, the quantity and the markup label it was measured against.
The location column is the one people skip
A line reading 'CMU, 8 inch, 2,140 SF' is a number. A line that adds 'grid C to F, level 2, sheet A-201' is a number your own estimator can confirm in thirty seconds.
Pricing build-up
TAB 3, IF ORDEREDPresent only where you ordered pricing. Labor, material, equipment and burden broken out per line instead of rolled into one blended rate, so you can drop your own numbers into the lines where you know better than any published baseline.
Assumptions, inclusions and exclusions
TAB 4What was counted, what was assumed and what was deliberately left out, each with the sheet or specification section behind it. This is the tab that gets read out loud on a scope call, so it is written to be read out loud.
Change log
TAB 5Every revision after first delivery, dated, saying what moved and why. On a set that reissues twice before bid day, this tab is the difference between a package and a pile of files with version numbers in their names.
The marked-up sheets, and the trace
The proof layer. This is what separates an auditable package from a confident one.
What a marked-up sheet shows
THE PROOFEach measured condition drawn on the sheet it came off, color-coded by trade and labeled with the same reference the workbook line uses. Areas hatched, lengths traced, counts tagged one at a time.
Color is never the only signal
Every markup carries a text label as well as a color, so the sheets stay readable printed in black and white, and readable to somebody who does not see color the way you do.
Tracing a total back to the drawing
THE TRACE TESTPick any total in the workbook. The line under it names a sheet and a markup label. Open that sheet, find the label, and you are looking at the geometry the number came from.
The test to run on any provider
Take the biggest number in the file and try to find the wall, run or footing behind it. Under a minute means the package is auditable. If you cannot get there at all, you have bought a total and a promise.
What you can do with the files
YOURSThe workbook is unlocked and the formulas are live. The markups are ordinary PDFs. Drop in your rates, resort by trade, paste into the bid form, or hand the sheets to a sub so they price the same count you did. Source takeoff files on request.
See a sample packageOpen a delivered package before you send anything
The workbook, the marked-up sheets and the scope record from a real job with the identifying detail stripped out. Run the trace test on it yourself and see how long it takes.
Revisions, addenda, and the job that comes back a year later
Delivery is rarely the end of a bid. Here is what is already paid for, what counts as new scope, and how quickly the common ones turn around.
What is included after delivery?
Anything that does not change what was measured. A figure you want rechecked, a line you disagree with, a reformat into your template, a walk through an assumption you dislike, a correction where we got something wrong. You do not receive a fresh invoice for asking questions about work you have already paid for.
What counts as new scope?
Anything that changes what was measured. A trade the quote never covered, a replacement drawing issue, a design change, or an addendum that moves conditions. Each of those returns to you as a revised quote in writing before any work begins, so you approve the extra or you decline it.
How fast does an addendum turn?
Faster than the original run, because only the affected conditions reopen. The addendum is read against the delivered package, the touched lines are listed back to you with the cost to update them, and once you say go the revised workbook and remarked sheets follow. Send it the day it drops.
The job went out to re-bid a year later.
Send the new issue along with the old package reference. If the design barely moved, most conditions carry across and you are paying for a delta rather than a rebuild. If it is a different building wearing the same project name, it is quoted as a new job, and you are told which of the two it is.
Can I get the same package in another format?
Yes, and it is not new scope. A reformat into your spreadsheet layout, your cost code structure or the owner's bid form order counts as a revision. It is quicker if the template comes at upload, because then the package is built in it rather than translated into it afterwards.
Who owns what, settled before you send anything
Outsourcing the measuring, and the pricing if you order it, does not move the bid decision anywhere. This is the split, line by line, so nobody discovers it in the middle of a disagreement.
| Measuring the drawings | Owned end to end | Nothing to do until it lands |
|---|---|---|
| Production rates behind the labor | Stated in writing so you can argue | Yours to override on any line |
| Material, labor and equipment pricing | Built where you order a priced package | Yours to replace where you know better |
| Markup, overhead and profit | Never set here, never suggested | Set by you, after you have seen the quantities |
| Which invitations you chase | No opinion offered | Your call on backlog and appetite, not ours |
| Which sub gets the award | No contact with your subs | Your relationships, your leveling, your pick |
| Scope gaps found in the set | Found, written down, sent to you | Yours to decide which way they go |
| A plan that contradicts a schedule | Both readings and the difference | Yours to pick, because it is risk |
| The number on the bid form | Never assembled into a submission | Written, signed and submitted by you alone |
| Talking to the owner, GC or architect | Never, on any job | Every conversation stays in your name |
| The relationships that win the work | None of ours to have | Built by you, and not visible from here |
Three or more jobs a month changes how this runs
A retainer swaps the per-job quote for a standing queue, priority position, unlimited revisions and addendum updates. Tell us your monthly bid count and it gets sized against that.
What happens to your plans once they leave your office
You are about to email a full set to a company you have not met. Here is what is done with it, what is never done with it, and what you can ask for before a single sheet moves.
What changes when you move to a retainer
Ordering job by job works, and most contractors start there. Once you are sending three or more jobs a month the shape of the relationship changes, and so does the first hour of every one of them.
Onboarding happens once, not per job
One call to walk through your bid process, your template, your coding structure and how you carry general conditions. Your last two closed-out jobs as well, if you are willing to share them, so the estimator learns what your crews actually produce rather than what a book says they produce.
A standing queue instead of a quote per job
On a retainer the scoping conversation happens once a month instead of once a job. Bids drop into a queue with a date against each one, and the queue is worked against your dates rather than in the order things happened to arrive.
What sending a job looks like on day sixty
An email with the set, the trades and the date. No scoping call, no fresh quote, no explaining the template again. The estimator who has done your last thirty packages already knows which sheets your bid form cares about and which exclusions you carry as standard.
When the volume justifies a person
The dedicated model puts one estimator from the bench on your work eight hours a day, five days a week, inside your own tools and templates. It is the answer for volume that would justify a hire, without the hire attached to it.
When the bottleneck stops being measurement
Past a certain volume the constraint stops being estimating and becomes administration: package breakout, invitations, addenda logs, leveling sheets and the forms pack. That is a different desk with a different clock on it, and it is quoted by brief rather than by drawing set.
Outsourced bid management servicesThe four jobs this desk should turn down
Four situations where sending the job here costs you more than keeping it. Better read before you upload than discovered afterwards.
If there is no drawing set, there is nothing to measure. A site photo, a scope narrative and a conversation with the owner add up to a conceptual budget exercise, priced off cost history and building type rather than off geometry. That is real work and it is different work. The moment your sheets are numbered and the scale is printed on them, this becomes the right desk for it.
If briefing the job takes longer than doing it, keep it. A two-page service order or a single bathroom is quicker measured by the person who already walked it than described accurately to somebody who has not. Nobody comes out ahead on that job, this desk included, and you should be told so rather than sold something.
If you need somebody on site, this is not it. Nobody here walks the building, meets the owner, counts what is already installed or verifies existing conditions. Everything produced comes off the documents you send, which is precisely why the assumptions record carries the weight it does. A renovation with real unknowns behind the walls needs a person with a flashlight before it needs an estimator with a mouse.
The last one is about ownership. If what you want is a supplier who will decide what the bid should be, nobody honest should sell you that. Margin is a judgment about your business, your backlog and how badly you want this particular job in this particular month, and nobody outside your office holds those facts. Measuring is ours. Pricing is ours when you order it. The decision stays exactly where it started.
The questions people ask before their first upload
What a contractor who has never sent a set out actually wants to know, answered plainly.
Starting out
The quote and what it costs
During the job
The files you get
Volume and commitment
Send the set,
and read the number it comes back with
Name the trades, name the date the bid closes, and attach the drawings. An estimator reads it and sends back one number in writing with a delivery date on it. Approving that number is the only commitment anywhere on this page.