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Trades Build Against Reality, Not Old Drawings

Linking the model to the jobsite

Field-verified existing conditions and coordination-ready models, so the RFIs, change orders and rework driven by bad information get settled at the desk instead of on site.

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Registered Point Clouds Ready for Navisworks or Revit

Point clouds that land in your clash workflow

We deliver registered point clouds and models ready for Navisworks or Revit clash workflows.

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Document Installed Conditions as You Build

Carrying installed conditions into QA week over week

Periodic scans capture installed MEP and structure for QA and coordination while the job is still running.

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As-Builts for Closeout and Owner Handover

Where the finished job meets the owner’s record

Record as-built drawings documenting existing conditions, produced for closeout and handover to the owner.

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Documented to a Defined LOA

Coordination that spans desk and field

Control-based, verified scanning documented to a defined LOA, with a field-verification and accuracy report, so your coordination stands up in the field.

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3D Laser Scanning for General Contractors

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Short answer: We give GCs and CMs field-verified existing conditions and coordination-ready models so trades build against reality — cutting RFIs, change orders, and rework driven by bad information.

Rework is one of the biggest hidden costs on any job, and a large share traces back to inaccurate existing-condition information. An accurate scan up front turns surprises in the field into decisions made at the desk.

What contractors deal with

  • Existing drawings don't match the building
  • Above-ceiling and MEP conflicts discovered mid-construction
  • Change orders and schedule slips from field surprises
  • Verifying installed conditions for coordination or QA

How field-verified documentation helps

We capture the site accurately and deliver a model your team can coordinate and build against, with a verification report proving it. Use it for clash detection, fabrication, and QA — see our ROI breakdown for the numbers.

Why contractors use laser scanningWhere bad existing-condition information costs you
  • Existing drawings do not match the buildingTrades coordinate against sheets that were never reconciled with what was actually built, and the gap only shows up once work starts.
  • Above-ceiling and MEP conflictsConflicts hidden above ceilings surface mid-construction, when the cost of resolving them is at its highest.
  • Change orders and schedule slipsField surprises turn into change orders and lost days — a large share of rework traces back to inaccurate existing-condition information.
  • Verifying installed conditionsConfirming what was actually installed, for coordination or QA, means measuring it rather than assuming the model is current.
CAD Construct LLC3D Laser Scanning & Reality CapturePittsburgh, PAcadconstructllc.com

What we deliver for contractors

  • Coordination-ready scan-to-BIM models
  • Registered point clouds for clash detection
  • 2D as-built CAD drawings
  • Progress / installed-condition documentation
  • Field-verification / accuracy report

Why CAD Construct LLC

Control-based, verified scanning backed by 20 years of architectural drafting in Western PA. We document to a defined LOA so your coordination stands up in the field.

Where scanning fits a buildField-verified data at each stage of construction
  1. Before you break groundCapture the existing structure accurately so trades coordinate against reality instead of legacy drawings, turning field surprises into desk decisions.
  2. Coordinate and clash-checkRegistered point clouds and models go straight into Navisworks or Revit clash workflows, catching conflicts on screen.
  3. Document as you buildPeriodic scans capture installed MEP and structure for QA and coordination while the work is still accessible.
  4. Verify against a defined LOADeliverables are documented to a defined Level of Accuracy, so the coordination stands up when trades build to it.
  5. Hand over a real record2D as-built CAD drawings and a verification report give the owner a field-verified record rather than marked-up design sheets.
CAD Construct LLC3D Laser Scanning & Reality CapturePittsburgh, PAcadconstructllc.com

Construction verification and QA/QC

What construction verification means

Construction verification is the process of confirming that the work being built matches the design — that elements are in the right place, at the right dimensions, and to the required tolerances. On complex projects, small deviations accumulate, and a component installed even slightly out of position can cause conflicts, fit problems, and rework down the line. Verification catches these deviations while they can still be corrected easily, rather than after they have caused downstream problems.

Traditional verification relies on selective manual measurement and visual inspection, which is slow and inevitably incomplete. Laser scanning changes this by capturing the entire as-built condition comprehensively and comparing it to the design, so nothing is missed.

Verifying before critical stages

Scanning is especially valuable before conditions are covered or closed in. Capturing the state of structure, rough-in systems, and embedded elements before they are hidden behind finishes creates an accurate record of what lies beneath — invaluable for future maintenance and renovation. It also verifies that concealed work is correct before it is covered, avoiding the nightmare of discovering an error only after it is buried. Verifying at these critical transitions ensures that what gets hidden is right and documented.

Catching problems early

The greatest value of scan-based verification is catching problems early, when they are cheap to fix. A deviation caught at the framing stage can be corrected before finishes are installed; the same deviation discovered after completion may require tearing out finished work. By verifying at key stages of construction, teams identify and correct issues progressively, preventing small deviations from compounding into major problems. This early detection protects both the budget and the schedule, avoiding the expensive, disruptive rework that late-discovered errors cause.

Frequently asked questions

Can a scan help reduce rework?

Yes — accurate existing conditions prevent the coordination-driven rework that comes from bad information. Try our rework calculator to estimate the savings.

What contractors receiveScope and coverage, verified rather than assumed
  • 5Deliverables for contractors, from coordination-ready models through to the accuracy report
  • 3Stages where scanning applies — before construction, during the build, and at handover
  • 2Clash-detection workflows supported directly: Navisworks and Revit
  • 20Years of architectural drafting behind our documentation of existing buildings across Pittsburgh and Western PA
Rework savings depend on the job. The as-built ROI and rework calculator estimates them from your own numbers rather than a rule of thumb.
CAD Construct LLC3D Laser Scanning & Reality CapturePittsburgh, PAcadconstructllc.com

Do you support clash detection?

Yes. We deliver registered point clouds and models ready for Navisworks or Revit clash workflows.

Building with scan data vs. withoutWhere the cost actually lands
Without field-verified data
  • Trades coordinate from drawings that do not match
  • Above-ceiling conflicts found by opening things up
  • Surprises become change orders and lost days
  • Installed conditions verified by hand, if at all
With field-verified data
  • Trades build against measured existing conditions
  • Clashes caught in Navisworks or Revit first
  • Decisions made at the desk, not in the field
  • Periodic scans document what was installed
  • Owner receives a verified as-built record
CAD Construct LLC3D Laser Scanning & Reality CapturePittsburgh, PAcadconstructllc.com

Can you document installed conditions during construction?

Yes — periodic scans capture installed MEP and structure for QA and coordination.

How fast can you mobilize?

We serve Pittsburgh and the surrounding counties and can typically schedule capture quickly.

What we deliver for contractorsFive deliverables across the life of the job
  • Coordination-ready scan-to-BIM modelsModels your team can coordinate and build against, documented to a defined Level of Accuracy.
  • Registered point clouds for clash detectionDelivered ready for Navisworks or Revit clash workflows, so conflicts surface before anyone mobilizes.
  • 2D as-built CAD drawingsFlat drawing deliverables for the record set and for teams working outside a model environment.
  • Progress and installed-condition documentationPeriodic scans capturing installed MEP and structure for QA and coordination as the build proceeds.
  • Field-verification accuracy reportDocuments the achieved accuracy so coordination decisions rest on proven data rather than assumption.
CAD Construct LLC3D Laser Scanning & Reality CapturePittsburgh, PAcadconstructllc.com

Our services for General Contractors

Field-verified data at every stage of construction — here is how each service helps contractors build and hand over with confidence.

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Coordinating a build on an existing structure? Request a quote.

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CAD Construct LLC

3D laser scanning, as-built documentation, scan-to-BIM & 360° virtual tours across Pittsburgh & Western PA — built on 20 years of architectural drafting, turning existing buildings into field-verified digital records. cadconstructllc.com


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