The main excavation challenges are often below the surface or outside the digging footprint. Utilities, soil, water, access and environmental requirements need separate questions and clear responsibilities.
Utilities and ground conditions
Confirm the actual excavator’s notification and locating process. Public marks may not identify private services or give a depth. Existing plans should be checked against the work area and actual conditions.
Soil or rock can differ from assumptions. Ask how unsuitable material, hard digging and replacement fill are evaluated, documented and priced. Do not use a regional geology map as a diagnosis for one lot.
Water and working space
Groundwater can affect the work even when the lot looks dry. The appropriate assessment, control and discharge arrangements may be separate from excavation. Access also includes turns, loading space, overhead features and protected improvements, not just a gate opening.
Environmental and coordination duties
Identify disturbance limits, erosion controls, disposal and any relevant approvals. Name who arranges inspections, testing and other-trade handoffs. These requirements can govern the sequence as much as the machine’s digging rate.
Common questions
Can a bidder give a universal safe depth?
No. The design, ground, surrounding conditions and required protection control the work.
How can I avoid an ambiguous extra charge?
Compare written assumptions, allowances, exclusions and a change-order process before authorizing work.
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
- Utah DEQ: construction stormwater and dewatering permits
Related project information
Discuss your project
Include existing reports, known constraints and the result you want in the first project request.
Request a free bid through Utah Excavation Company. 801-515-4932.