Documentation your engineering team can build on

Utility mapping and engineering-level documentation. Data you can use: pre-construction intelligence, not only paint on the ground.

Marked utility plans and field equipment laid out for documentation review

Formats

Documentation formats clients can use

Our documentation is tailored to match the needs of your project, from KMZ files to pre-construction intelligence reports with congestion mapping and verification recommendations.

Captured with RTK GPS precision and structured for downstream project teams.

  • 01KMZ files
  • 02Pre-construction intelligence reports
  • 03Congestion mapping
  • 04Verification recommendations
  • 05Utility maps

Confidence classification explained

Findings are confidence-classified so project teams know how much weight each line can bear.

ASCE 38-aligned methodology

  • Field evidence

    Located and observed directly in the field.

  • Record evidence

    Correlated with records and surface indications.

  • Verification recommended

    Flagged where further verification protects the decision.

See the process

Record design

Match the deliverable to who will use it

A useful subsurface record is shaped by the next decision. The appropriate format depends on whether the recipient needs field orientation, spatial data, coordination context, or a documented recommendation.

01

Field team needs orientation

Investigation
Organize designated findings and relevant site context.
Usable record
Utility map or marked plan.
Decision supported
Coordinate planned work against documented findings.

02

Downstream team needs spatial data

Investigation
Position findings with RTK GPS precision where scope supports it.
Usable record
KMZ or mapped data deliverable.
Decision supported
Bring field evidence into project review tools.

03

Congestion or uncertainty affects planning

Investigation
Interpret evidence, classify confidence, and identify limitations.
Usable record
Pre-construction intelligence report or congestion mapping.
Decision supported
Decide where design coordination or verification is needed.
What the record includes
The findings, their spatial and project context, confidence language, and the deliverable formats defined in scope.
What the record does not claim
It does not convert incomplete evidence into guaranteed depth, exact location, or certainty the investigation cannot support.
Who uses it
Contractors, engineers, developers, facility teams, municipalities, utilities, excavators, and homeowners according to project need.
Why it matters
The record carries field evidence into planning, coordination, verification, and pre-excavation decisions.

Verification

Verification that records reflect field reality

Utility verification and confidence-classified findings help document subsurface infrastructure so records reflect field reality.

Private utility locating
A planning review connecting field documentation to project decisions

Prepared for contractor and engineering firm workflows

  1. Planning inputs
  2. Defensible records
  3. Pre-construction decisions
  4. Schedule protection

Documentation already prepared and structured for how contractors and engineers actually work. For contractors

Utility mapping documentation FAQ

What formats can the deliverable support?

Deliverables can be tailored for project workflows, including KMZ files and pre-construction intelligence reports with congestion mapping and verification recommendations.

How is confidence classification used?

It states how much weight a finding can bear so teams do not treat uncertainty as exactness.

What does ASCE 38-aligned methodology mean here?

It keeps the documentation method clear without presenting uncertainty as a guarantee.

How do project teams use the record?

They use it as planning input for contractor and engineering firm workflows before decisions move downstream.

Full FAQ

Plan a Subsurface Investigation

Talk with SafeLine about the mapping, verification, and documentation your project needs before decisions move downstream.