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 Engineer 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 cooperate with the utility companies to protect their facilities.
C.Request permission to test-hole from the Engineer at least 24 hours prior to excavation.
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 per Standard Specification 01721.
2.Measure and record depth 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.
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Source: Utah Standard Specifications for Road and Bridge Construction, 2025 Edition. Pages 256–257 of 1,311. View official source ↗