What to Send an Estimating Company: Plans, Specs, and Scope Checklist

The question that stops more contractors from outsourcing their estimating than any other is not price, not turnaround time, and not accuracy. It’s this: ‘What exactly do I need to send?’ Most contractors assume they need a perfect, complete drawing set before reaching out to a professional estimating company. They don’t. What you need is the right documents for your specific trade scope, in a format the estimating team can work with, plus a brief scope summary that takes five minutes to write. This guide covers all of it, document by document, trade by trade.

The Core Documents Every Estimating Company Needs

Regardless of trade or project type, every professional construction estimate starts with the same foundation. These are the documents that let an estimating team quantify your scope accurately and the ones missing from a submission that guarantee a slower turnaround or a request for clarification.

1. Architectural Drawings

Architectural drawings are the baseline for almost every trade estimate. Floor plans show layout and dimensions. Elevations establish building height and exterior scope. Sections show interior conditions and vertical relationships. Roof plans define the roofing and drainage scope. You do not need a 100% complete IFC set. A design development set at 60–70% completion is enough to produce a reliable estimate for most trades. What matters is that floor plans are dimensioned, room labels are present, and the drawing set is dated so the estimating team knows which revision they’re pricing.

2. Structural Drawings

Structural drawings are required for concrete, masonry, and sitework estimates — and helpful for MEP routing on commercial projects where beam and column locations affect duct and pipe paths. Send the foundation plan, framing plans, column schedule, and any connection details relevant to the scope. For structural concrete specifically, rebar schedules and slab pour sequence details are critical. If your structural drawings are still in progress, note that in your scope summary and the estimating team will flag structural-dependent items as ‘allow’ or ‘TBD.’

3. MEP Drawings

Mechanical, electrical, and plumbing drawings each have specific sheet types that make or break a trade estimate. For electrical: the one-line diagram, panel schedules, and lighting layout are non-negotiable. For HVAC: the mechanical plan with ductwork layout, equipment schedules, and controls sequence of operations. For plumbing: the plumbing plan, fixture schedule, and underground rough-in plan. If you only have one of the three MEP trades in scope, send only what’s relevant — you don’t need the full MEP set for a single-trade estimate.

4. Civil and Site Plans

Site plans are required for sitework estimates and helpful for any project where site conditions affect trade scope. The grading plan, utility plan, paving and striping plan, and storm drainage plan make up the core civil package. For sitework specifically, a survey showing existing grade elevations and a geotechnical report (if available) will materially improve the accuracy of earthwork quantities. If you don’t have civil drawings yet, a site plan showing building footprint, lot boundaries, and a brief description of site conditions is enough to produce a preliminary sitework budget.

5. Project Specifications

Specifications tell the estimating team what quality of materials and installation methods are required information that doesn’t appear on drawings. A project with Spec Section 03 30 00 calling for 5,000 PSI concrete with Type III cement is priced differently from one calling for 3,000 PSI standard mix. Send the full spec book if you have one. If not, send the relevant CSI division sections for the trade being estimated. If there are no specifications yet, note the project type and intended quality level in your scope summary, the estimating team will apply standard commercial or residential specifications accordingly.

What to Send When You Don’t Have Complete Drawings

Incomplete drawings are not a reason to wait. Most professional estimating companies work with partial sets every day — schematic drawings, early design development sets, and renovation projects with existing conditions. Here’s how to handle each scenario.

1. Schematic and Early Design Development Sets

Schematic drawings at 15–30% completion can support a Class D or Class C budget estimate — useful for feasibility decisions, owner presentations, and early financing applications. Submit whatever you have and specify in your scope summary that you need a ‘concept budget’ or ‘early stage estimate’ rather than a bid-ready takeoff. The estimating team will apply assumptions and flag them clearly so you know what’s confirmed and what’s estimated.

2. Renovation Projects With Existing Conditions

Renovation estimates often involve drawings that show only new or modified work, with existing conditions referenced but not fully drawn. Include any as-built drawings you have for the existing structure, a demolition plan showing what’s being removed, and field measurements or photos of existing conditions where drawings are absent. The clearer the scope boundary between ‘existing to remain,’ ‘demolish,’ and ‘new work,’ the faster and more accurate the estimate.

3. No Drawings Yet — Concept Estimates

For very early-stage projects without drawings, a concept estimate is still achievable with the right information: building type and use (office, warehouse, multifamily, retail), gross square footage or approximate dimensions, location (city and state for labor rate calibration), number of stories, and primary structural system (wood frame, steel, concrete). This produces a square-footage-based budget with a +/- 20–30% range — useful for go/no-go decisions before investing in design fees.

The Scope of Work Summary — The Most Important Thing You Can Include

Every submission to a professional estimating company should include a scope of work (SOW) summary. It does not need to be a formal document. A single paragraph in the body of your email or a bulleted list on a cover page is enough. What to include:

• Project type and use (commercial office, residential multifamily, industrial warehouse, healthcare, etc.)
• Gross square footage and number of stories
• Specific trades in scope (electrical only, full MEP, concrete and sitework, etc.)
• Location (city and state — this sets labor rates)
• Bid deadline or turnaround time required
• Any specific exclusions (GC-supplied materials, phased scope, owner-furnished equipment)
• Alternates that should be priced separately

A scope summary like this — ‘Commercial office tenant improvement, 12,000 sq ft, 2nd floor, full electrical and HVAC only, Dallas TX, bid due Friday, owner providing millwork allowance, add alternate for data cabling’ — eliminates the most common back-and-forth in the estimating process and reduces your turnaround time by up to half a day on mid-size projects.

Trade-by-Trade Submission Requirements

The following table shows the minimum required documents for each common trade estimate, what’s helpful to include, and the preferred file format.

Trade	Minimum Required	Helpful to Include	Format
Electrical	Electrical plan, panel schedules, one-line diagram, lighting layout	Single-line diagram + riser diagram for multi-story	PDF or DWG
HVAC	Mechanical plan, equipment schedules, ductwork layout, controls sequences	Reflected ceiling plan showing duct routing	PDF or DWG
Plumbing	Plumbing plan, fixture schedules, isometric drawings where available	Roof drain plan for multi-story; medical gas plans for healthcare	PDF or DWG
Concrete	Structural drawings: foundation plan, column layout, slab details, rebar schedules	Soils report for foundation design; geotechnical data for deep foundations	PDF or DWG
Masonry	Architectural floor plan + exterior elevations, masonry details sheet	Wall sections showing coursing and reinforcement	PDF
Drywall / Framing	Architectural floor plan, reflected ceiling plan, wall types legend	Interior elevations for specialty wall conditions	PDF
Sitework	Civil grading plan, utility plan, paving/striping plan, storm drainage	Survey, geotechnical report, SWPPP where applicable	PDF or DWG
Roofing	Roof plan, roof details/sections, manufacturer specs or spec book section	Existing roof conditions report for re-roofing	PDF
Painting	Architectural floor plan, exterior elevations, finish schedule	Interior elevations for specialty finishes	PDF
Flooring	Finish schedule, architectural floor plan, finish layout drawings	Demolition plan for renovation scope	PDF
MEP (Combined)	All of the above for M, E, and P — submitted together	Coordination drawings showing routing conflicts	PDF or DWG

What NOT to Send — And Why It Slows Everything Down

Three common submission mistakes add unnecessary delay to the estimating process:

1. Multiple Revisions of the Same Drawing Set

If you’ve received multiple drawing revisions, send only the most current set — clearly labeled with its revision number and date. Sending all revisions simultaneously forces the estimating team to compare sheets and identify changes before work can begin. If there are specific changes between revisions you want priced as alternates, note them in the scope summary.

2. Files Over 100MB Without Compression

Large file uploads slow submission processing and sometimes fail entirely through standard email. If your drawing set exceeds 100MB, compress files using a PDF optimizer (Adobe Acrobat’s ‘Reduce File Size’ function works well) or share via a file transfer service such as WeTransfer or Google Drive. A compressed drawing set that loads fast is better than a high-resolution set that takes 20 minutes to download.

3. Scope Communicated Verbally or by Phone Only

Phone conversations are useful for complex scope discussions, but the details need to be confirmed in writing before the estimate begins. Send a follow-up email after any phone scope discussion that restates what was agreed — which trades are in scope, what’s excluded, and the deadline. This protects both parties and gives the estimating team a written reference when questions come up during takeoff.

How ALM Estimating Processes Your Submission

When you send plans to ALM Estimating, here’s exactly what happens: your drawings and scope summary are reviewed within two hours of receipt during business hours. If anything critical is missing, we contact you before starting the estimate — not after. Your project is assigned to a trade-specific estimator who works the scope from your drawing set. The completed estimate is returned in our standard format: organized PDF with a line-item breakdown by CSI division, plus a summary sheet for quick review. For construction takeoff services that require quantities only, we also deliver in Excel with editable fields.

For single-trade residential and commercial scopes under 50,000 sq ft, standard turnaround is 24 hours from submission of a complete package. For multi-trade and larger commercial scopes, turnaround is 24–48 hours. See our full construction estimating pricing for flat-rate fees by project type, or outsource your construction estimating to ALM and send your first project today. If you want to understand the full turnaround picture before submitting, read our breakdown of how long a construction estimate takes by trade.

Frequently Asked Questions

Ready to Send Your Plans? Get Your Estimate in 24 Hours Upload your drawings, add a one-paragraph scope summary, and ALM Estimating returns a complete, bid-ready estimate the same day. No retainer. No portal. Pay per project. Upload Your Plans → Contact Us Or call +1 (917) 718-0084