Useful excavation detective work happens before the bucket reaches an obstruction. Plans, previous building records, utility information and a site assessment can identify questions that need resolving. They cannot promise that everything underground is known.
Start with records and visible clues
Old service connections, a removed building or a detached structure can matter to the scope. Provide the records you have and identify which details are uncertain. Do not assume an abandoned-looking line is disconnected or safe.
Separate utility locating from soil investigation
Blue Stakes notification concerns participating facility operators. Private lines can require separate locating. Soil and groundwater questions need a different assessment, and a locate mark does not state a guaranteed depth.
Plan for an unresolved condition
Ask who pauses affected work, obtains the relevant utility or professional advice and approves an adjusted scope. Photographs and measurements taken by authorized site personnel can document the issue without an owner entering the excavation.
Common questions
Can a contractor guarantee there are no buried obstructions?
That requires more than a general assurance. Review the investigation, assumptions, exclusions and change process in the proposal.
What should I send first?
The property location, available plans and a clear description of known services, old improvements or previous earthwork.
Sources and further reading
Related project information
Discuss your project
Mention uncertain buried features in the initial request so they can become part of the planning discussion.
Request a free bid through Utah Excavation Company. 801-515-4932.