Wall locations that have changed
NEW YORK CITY · EXISTING DRAWING VERIFICATION
Already Have Existing Drawings?
We Verify Them in the Field.
JoyOne Scan field-verifies your existing plans and updates the drawings to reflect actual site conditions—so your team can move forward with greater confidence.
DWG or PDF accepted. NYC site verification available.
EXISTING DRAWINGFIELD-VERIFIED UPDATE
REFERENCE SETVERIFY+ 3⅝ inUPDATED DWG + PDFNYC SERVICE SUMMARY
What Is Existing Drawing Verification?
Existing drawing verification compares usable architectural plans, CAD files, DOB drawings, or PDFs with agreed field conditions at the property. JoyOne Scan identifies relevant discrepancies and updates the existing drawing set so renovation and design teams have a more reliable starting point.
- Best for
- NYC projects with usable existing drawings that need targeted field checks.
- Field work
- Agreed dimensions and major accessible existing conditions are checked on site.
- Deliverables
- Updated existing-condition DWG and PDF files, according to the agreed scope.
- Not included
- Architectural design, engineering, permitting, licensed survey services, or professional sign-off.
THE PROBLEM
Existing Drawings Don’t Always Match the Site
Architects and design teams often begin NYC renovation projects with existing CAD files, DOB drawings, old plans, or drawings from previous owners or project teams. The challenge is that those drawings may not fully reflect the current condition of the property.
Room dimensions that need confirmation
Door and window openings that do not match the drawing
Stair dimensions that require verification
Floor or ceiling heights that are uncertain
Previous renovations not reflected in the current set
Drawings that are useful as a reference, but not reliable enough to design from without verification
Instead of starting over, our existing drawing verification service uses your drawings as the baseline, verifies the relevant conditions in the field, and updates the CAD areas that need correction.
FROM DRAWING TO VERIFIED UPDATE
How Existing Drawing Verification Works
Send Us Your Existing Drawings
Email your DWG or PDF files with the project address and a brief description of what needs to be verified.
Scope Review
We review the drawings and confirm the appropriate field-verification scope before scheduling the site visit.
Field Verification
We visit the site and verify the agreed dimensions and major existing conditions, based on accessible field conditions.
Identify Discrepancies
We compare field conditions with the existing drawings and identify areas that require correction or clarification.
Update the Drawings
Our production team updates the existing CAD drawings using the verified field information.
Human QA
Every drawing is reviewed before delivery.
Receive Updated DWG + PDF
You receive updated existing-condition drawings for the next phase of design or renovation planning.
WHAT WE CAN VERIFY
Typical Verification Scope
The exact scope is agreed before the site visit, so the field work stays focused on the information your project actually needs.
Existing wall locations shown on the drawingsRoom dimensionsDoor openingsWindow openingsFloor heightsCeiling heightsStairsMajor architectural openingsExisting floor plansExisting street and rear elevationsMajor discrepancies between drawings and field conditions
WHO IT IS FOR
Built for Renovation Projects
You already have drawings, but need confidence that the existing conditions shown are reliable enough to support the next phase of design.
ArchitectsInterior designersGeneral contractorsProperty owners planning renovationsBrownstone renovation teamsApartment renovation projectsTownhouse renovation projectsCommercial interior renovation projects
CHOOSE THE RIGHT SCOPE
Do You Need Verification or a Full As-Built Survey?
| Existing Drawing Verification | Full As-Built Documentation | |
|---|---|---|
| Existing drawings available | Yes | Not required |
| Start from existing CAD / PDF | Yes | No |
| Field verification | Yes | Yes |
| Full redraw from scratch | Usually not required | Usually required |
| Updated DWG / PDF | Yes | Yes |
| Best for | Renovation projects with usable existing drawings | Projects with no reliable existing drawings |
If your current drawings are reasonably complete, field verification and targeted updates may be faster and more efficient than recreating the entire project from scratch.
OPTIONAL 3D SITE CAPTURE
Need More Than Field Verification?
If the existing drawings are incomplete, unreliable, or the project requires a more comprehensive site record, JoyOne Scan can also provide 3D site capture and full existing-condition documentation.
The right capture method depends on the quality of the existing drawings, the project scope, and the level of verification required.
3D scanning360° site imageryExisting-condition floor plansExisting elevationsDWGPDFDigital site reference
How our laser capture and CAD workflow worksPROJECT-BASED PRICING
Pricing Based on the Actual Scope
Existing Drawing Verification is quoted according to the drawings, field-verification requirements, and deliverables for your project.
Send Us Your Drawings for a Fixed QuoteWHY JOYONE SCAN
A More Efficient Way to Verify Existing Conditions
JoyOne Scan combines field verification, CAD production, and human QA into one workflow, so your team receives a consistent existing-condition drawing set without managing multiple vendors.
Start from the drawings you already have
Verify only what the project actually requires
Avoid unnecessary full redraws
Centralized CAD production
Human-reviewed drawings
Consistent deliverables
Flexible field-capture methods
DWG + PDF delivery
FAQ
Frequently Asked Questions
01What is existing drawing verification?
Existing drawing verification compares usable existing plans or CAD drawings with agreed, accessible field conditions. JoyOne Scan identifies relevant discrepancies and updates the drawing set for renovation and design planning.
02How is existing drawing verification different from a full as-built survey?
Existing drawing verification starts from drawings you already have and focuses on the agreed conditions that need checking. Full as-built documentation is generally used when reliable drawings are unavailable and a new existing-condition set must be created.
03When is this service a good fit for an NYC renovation project?
It is a good fit when an architect, interior designer, contractor, or property owner has a reasonably usable drawing set but needs selected dimensions and major existing conditions checked before design or renovation work continues.
04Do I need to have CAD files?
No. We can review PDF drawings as well. However, DWG files can make the update process more efficient when the existing drawing set is already usable.
05Do you redraw everything from scratch?
Not necessarily. If the existing drawings are reasonably complete, we use them as the starting point and update the areas that require correction based on field verification.
06Do you verify every dimension?
The verification scope is based on the dimensions and major existing conditions shown on the current drawings, the project requirements, and accessible field conditions.
07Can you verify elevations?
Yes, where accessible and where elevation verification is included in the agreed scope. We can verify relevant openings and major dimensions shown on existing street and rear elevations.
08Can you provide 3D scanning?
Yes. For projects with incomplete or unreliable drawings, we can recommend a more comprehensive 3D site capture workflow.
09What files do I receive?
Typical deliverables include updated DWG and PDF files, depending on the agreed project scope.
10Do you provide architectural design services?
No. This service focuses on existing-condition documentation and field verification. Architectural design, engineering, permitting, and professional sign-off are outside the standard verification scope.
11Can you work from DOB or older architectural drawings?
Yes. Existing DOB drawings, archived plans, previous architectural drawings, CAD files, and PDFs can all be reviewed as possible starting points.
GET A FIXED QUOTE
Already Have Drawings?
Start With What You Have.
Send us your existing DWG or PDF set. We’ll review the drawings, confirm the field-verification scope, and provide a fixed quote.
JoyOne Scan provides existing-condition documentation and field verification. It does not provide architectural design, engineering, permitting, licensed survey services, or professional sign-off. Verification is limited to the agreed scope and accessible field conditions. Critical construction, fabrication, installation, and ordering dimensions should be independently field-verified where required.