INDUSTRY FIELD GUIDE
Water and sewer installation evidence for AI review
A photo taken before cover can document a connection without identifying which segment it belongs to.
NAICS 237110 · Water and Sewer Line and Related Structures Construction
A photo taken before cover can document a connection without identifying which segment it belongs to. OSHA’s trenching resources provide safety context. FHWA’s digital as-built guidance illustrates the value of linking a recorded asset and an observation. An offline exercise can test segment identification with no excavation access. OSHA trenching and excavation · FHWA digital as-builts
Use two inert bench assemblies and an invented segment diagram. Pair one with a verified observation and give another a lookalike image from the wrong connection. Ask which source supports each identity, whether the label is readable, and what requires review. Keep the visual claim separate from testing or approval.
Use no infrastructure locations, drawings, active work sites, service maps or identifiable workers. Record only approved training props at ground level.
Describe a mock installation sample
Original Fiund exercise
A lookalike connection needs its own segment link
Two inert bench assemblies illustrate fictional segments W1 and W2. No excavation, infrastructure drawing, active service or pressure test is involved.
| Record | Source | What it records |
|---|---|---|
| WS1 | Invented segment diagram | W1 links connection C-A; W2 links C-B. |
| WS2 | Reviewed pre-cover image | C-A label and W1 card readable; reviewer confirms the association. Image shows visible connection geometry only. |
| WS3 | W2 attachment | Photo resembles WS2 and visible label is C-A. No C-B image or authorized diagram correction supplied. |
Question for the model
Which segment has an identified connection observation, and what does the W2 attachment fail to establish?
Show the reference answer and checks
WS1 and WS2 establish an identified visual observation of C-A associated with W1. WS3 still shows C-A even though it sits in W2's attachment set. Without a C-B observation or an authorized relationship correction, it does not establish W2's specified connection identity. Flag the mismatch and request the relevant view. None of the images supplies testing, concealed-condition or installation-approval evidence.
- Using the attachment folder's segment name to override the readable C-A label.
- Interpreting a visible connection photo as a passed test or approval record.
Fields to preserve
- Segment-to-connection relationship
- Defines the expected identity link.
- Visible label and review record
- Supports the actual observed association.
- Attachment mismatch
- Retains conflicting metadata for follow-up.
- Evidence type
- Separates visual geometry from testing or acceptance.
Test another case
Add a valid C-B image without its segment card. Ask what extra linking evidence is needed before associating that image with W2 rather than inferring from a matching connection label alone.
Use approved training props at ground level. Include no real infrastructure locations, service maps, project drawings, active sites or identifiable workers.
Discuss a contribution
Describe the sources you control, the task they could support and what has already been checked. Use the existing-data assessment for an archive or the collection brief for a new recording project. The contributor agreement defines Fiund’s licensing authority and compensation. A guide or fictional exercise does not establish an accepted collection or a sale.