Existing Building · Contractor Documentation

What Photos Should a Contractor Send an Engineer?

For existing-building structural engineering, contractors should send photos that show framing member sizes, connections, spans, and the relationship between structural elements. Photos should be labeled with location descriptions. The goal is to give the engineer a clear picture of what's actually in the building without requiring a site visit.

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Quick Answer

What Photos Should a Contractor Send an Engineer?

For existing-building structural engineering, contractors should send photos that show framing member sizes, connections, spans, and the relationship between structural elements.

Required Photo Categories for Structural Engineering

Overall framing — wide photos showing the framing layout in exposed areas
Member sizes — close photos of wood, steel, or concrete member dimensions with a tape measure
Connections — beam-to-column, beam-to-wall, joist-to-beam, holdowns
Foundation type — footing exposure, slab thickness, stemwall conditions
Wall framing — stud size, spacing, and header conditions at openings
Damaged or suspect conditions — cracks, rot, corrosion, overloading signs
Overview photos — floor plan orientation photos to locate detailed images

Photo Documentation Best Practices

Label each photo with its location — 'North wall, beam at column line 3'
Include a tape measure in size photos for scale reference
Photograph from multiple angles — one photo of a connection is never enough
Use consistent lighting — avoid backlit photos where framing detail is lost
Organize by location — group photos by wall, bay, or level
Send raw, full-resolution photos — do not compress before sending

When Photos May Not Be Sufficient

When framing is concealed and cannot be exposed without demolition
When connections are complex or critical and direct observation is needed
When the engineer determines a site visit is required based on photo review
When photo quality or completeness is insufficient — we'll let you know

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