The biggest excavation surprises often fall into five practical categories: utilities, ground conditions, water, access and coordination. Addressing them in the bid does not eliminate uncertainty, but it makes the response much clearer.
1. Utilities: identify public and private lines
Confirm the actual excavator’s locate responsibilities and whether private services need separate investigation. Ask what assumptions cover rock, unsuitable soil and buried debris, and how changed conditions will be documented.
2. Ground conditions: define changed-material decisions
Rock, unsuitable soil and buried debris can change the operation. Ask which assumptions are priced, who evaluates a changed condition and how additional removal, replacement and testing are authorized.
3. Water: separate assessment from disposal
Explain when water appears and what is known about the site. Groundwater and runoff questions need an appropriate response; do not assume pumping to a street or neighboring property is allowed.
4. Access: plan the machine and the trucks
Show entrances, turning space, overhead restrictions and surfaces that must remain usable. Machine access and truck access are related but different questions.
5. Coordination: agree on the next handoff
Inspections, testing, current plans and return trips can affect the schedule. Identify who calls each inspection, provides acceptance records and authorizes a change before work continues.
Common questions
What should I ask every bidder?
Ask for the same excavation limits, material assumptions, utility duties, water responsibilities, export/import scope, testing, restoration and exclusions.
Is an allowance the same as a fixed price?
No. Ask how it is measured, what it covers and how the final amount is adjusted.
Sources and further reading
- Blue Stakes: which private lines may not be marked
- Utah Geological Survey: problem soil and rock
- Utah DEQ: wastewater discharge and construction dewatering
Related project information
Discuss your project
Include known constraints and available reports with the project description rather than waiting until equipment arrives.
Request a free bid through Utah Excavation Company. 801-515-4932.