Test-Hole Utility TEST -HOLE UTILITY
Part 1 — General
1.1 Section Includes
A.Procedure for test -hole operations to identify and locate utilities during construction activities.
1.2 Related Sections
A.Section 01721: Survey
1.3 References
A.CI/ASCE 38 -02: Standard Guideline for the Collection and Depiction of Existing Subsurface Utility Data
1.4 DEFINITIONS Not Used
1.5 Submittals
A.Provide records to the E ngineer within 5 working days of test -hole operations .
Part 2 — PRODUCTS Not Used
Part 3 — Execution
3.1 Preparation
A.Identify locations of possible conflicts including excavation, pipe culvert extensions, catch basins, and other construction elements to test -hole as requested by the Contractor and as determined by the Engineer.
B.Coordinate and c ooperate with the utility companies to protect their facilities.
C.Request permission to test -hole from the Engineer at least 24 hours prior to excavation. Test-Hole Utility
3.2 Exploration
A.Use vacuum excavation or other methods that protect the integrity of the utility.
B.Perform test -hole operations to provide Quality Level A per CI/ASCE 38 - 02.
3.3 Records
A.Measure and record utility location according to CI/ASCE 38- 02.
1.Measure and record horizontal and vertical location in project coordinate system p er Standard Specification 01721.
2.Measure and record d epth from grade, outside diameter, orientation, material composition, and configuration of non- encased, multi - conduit systems.
3.4 Backfill and Restoration
A.Backfill test-hole excavation according to utility owner ’s specifications when outside of roadway prism .
1.Backfill according to the most restrictive of either the Department’s or the utility owner’s specifications if test -hole excavation is within the roadway prism .
2.Backfill within 24 hours or as otherwise determined.
B.Backfill test-hole excavation to the same depths and grades with equivalent or better materials of surrounding pavement or terrain .
Source: Utah Standard Specifications for Road and Bridge Construction, 2026 Edition. Pages 255–256 of 1,331.