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Reviews from contractors and subcontractors who send us their bid estimates, takeoffs, and shop drawings.
Review summary: Bart needed shop drawings on a tight schedule. The team discussed the project the same day, delivered drawings within a week, and completed minor revisions the following day. He praised their understanding of the scope, quick responses and progress updates.
Bart, BTW Enterprises, INC.
Read reviewReview summary: Ludin appreciated the professional team, their patience and guidance, and recommended BidAccurate for takeoff and shop drawing projects.
Ludin Pierre
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Division 22 and 23 takeoffs and pricing
BidAccurate provides mechanical estimating services for mechanical contractors, pipefitting and sheet-metal subs, general contractors, and in-house estimating teams across the US. This service is for the combined package: a central plant, hydronic loops, ductwork, and the controls that tie them together, priced as one bid.
On those jobs the trouble shows up at the seams. A pump is on the schedule but not the plan. Process piping is drawn on the plumbing sheets. Nobody says who carries the control valves. We read the mechanical set alongside the plumbing, electrical, and structural drawings, then write down where your scope ends so you price it with the boundaries in view.
We scope each job from what you send: mechanical drawings, schedules, flow diagrams, specs, addenda, alternates, and the bid form. A pipefitting sub who only wants the hydronic side and a GC who needs the whole Division 23 number get different inclusions, so tell us which one you are.
Sheet metal carries its own fabrication and labor numbers, so we keep it apart from the piping. Duct is split by service and pressure class first, then by shape, gauge, and liner or wrap.
Every run is taken off by system and size, with material and joining method noted: welded or grooved steel, copper, or plastic, whatever the spec calls for. Your foreman can find each footage on the markup.
Each tagged unit on the schedule gets its own line with capacity, location, and what the vendor quote covers. Curbs, isolation, and rigging sit next to the unit they belong to.
These are often bought out to specialty subs. We carry each as its own line or as an allowance, based on the spec and the controls responsibility matrix.
Where mechanical stops and electrical, plumbing, or the GC picks up changes from job to job. We write the split down instead of guessing.
Bid units follow how mechanical work gets bought and installed. Alternates and allowances stay off the base-bid lines.
Send the current drawings, schedules, specs, addenda, and any vendor quotes you already have, along with the project location and bid date. We'll look through the set and confirm what the takeoff and estimate will cover.
Request Your Mechanical Takeoff
The M sheets rarely tell the whole story. We check them against the plumbing, electrical, structural, and architectural sets, plus the specs and addenda, because that's where missing curbs, sleeves, and equipment connections tend to hide.
Hand us the counting and measuring. Your estimator stays on vendor calls and coverage.
Material lists come out by system: sheet metal, pipe and fittings, insulation, controls, equipment. Lining three equipment quotes up against the schedule gets much easier.
Valves, hangers, dampers, flex connectors, rigging, startup. We run a checklist on the small stuff that slips through on a rushed bid day.
Color-coded sheets show what we measured, and each quantity points back to a drawing. Assumptions, exclusions, and alternates are written out where you can see them.
Send labor units, crew rates, supplier quotes, or your company estimate template and we'll build on them. If you don't have them, we agree on a pricing basis up front.
A mechanical bid pulls together several piping systems, air-side work, scheduled equipment, shop and field labor, and pieces another trade may carry. We keep each of those inputs traceable from the first document review to the final workbook.
Tags on the equipment schedule should match the plans and the flow diagrams. When they don't, we flag the mismatch in the scope log instead of quietly picking one.
Roll quantities up by chilled water, heating hot water, supply air, equipment tag, floor, zone, or the cost codes you already use.
Labor units, crew mix, access conditions, and rigging sit on their own lines. Want to bump productivity down for a cramped mechanical room? You can.
Plumbing, controls, power wiring, firestopping, TAB, and process piping are each marked included, excluded, or by others, per the responsibility split you confirm.
We deliver Excel and PDF. Tell us your bid form, supplier packages, or estimate template and we'll lay out the workbook to match.
Send the addendum and we compare it to the last set, show what changed in pipe, duct, equipment, and controls, and update the agreed takeoff or estimate.
We follow the same sequence on every mechanical job, and each step leaves a trail your team can check.
Upload the mechanical and plumbing sheets, equipment schedules, riser and flow diagrams, specs, addenda, and bid form. Include the location and bid date, plus any architectural or electrical sheets that touch mechanical work.
We confirm which systems are yours, how controls and TAB are handled, any alternates or allowances, and whether you want quantities only or full pricing.
Duct and pipe get measured by system and size. Equipment, valves, dampers, air devices, hangers, and insulation are counted or measured to match.
For a priced estimate, we add material costs, vendor quotes, labor units or crew rates, rigging, freight, and the indirects you've approved.
Quantities are checked against plans, diagrams, schedules, and specs before anything ships. Conflicts and open questions go in the scope log.
You get the Excel or PDF estimate, material and labor summaries, scope notes, and color-coded plan markups, organized the way we agreed.
Send it over and tell us what you need: quantities only, shop and field labor, your vendor quotes plugged in, or a full priced estimate.
Start Your Mechanical Estimate
Mechanical estimate deliverables
Use the package to get equipment and material quotes, compare vendor coverage, check shop and field labor, plan purchasing, or load quantities into your estimating software. It's an estimating tool. It doesn't replace mechanical design, load calculations, equipment selection, coordination drawings, or permit documents.
Pipe and duct footage by system and size, plus equipment, fittings, valves, dampers, devices, hangers, and insulation.
Material and equipment costs, shop and field labor, vendor quotes, rigging, and testing, extended from the pricing basis we agreed on.
Marked sheets showing every run and unit we counted. Colors follow the systems, so chilled water and heating hot water are easy to tell apart.
Inclusions, exclusions, alternates, allowances, and open questions, each tied to a sheet reference.
Bidding only one division? Use the HVAC or plumbing pages. You can also pair a mechanical estimate with a quantity-only takeoff, a full project estimate, BIM coordination, or shop drawings.
For air-side and HVAC-only packages: ductwork, rooftop and split systems, air devices, controls, and HVAC labor.
Domestic water, sanitary, vent, storm, fixtures, and plumbing equipment when Division 22 is bid on its own.
Mechanical quantities and marked-up drawings without pricing, for teams that run their own cost database.
Put the mechanical package inside a full project estimate with the other trades, general conditions, and indirects.
Model-based coordination of duct, pipe, and equipment with the structure and other building systems.
Fabrication and installation drawings after award, when the job calls for them.
Partner with experienced construction professionals to deliver your project on time along with in budget.
