General Order 128
Section I
General Provisions
17
Requirements for All Supply and Communication Systems
The following rules apply to all supply and communication underground
systems under all conditions.
17.1
Design, Construction, and Maintenance
17.2 Inspection
17.3 Location
17.4 Joint Use of Excavations and Facilities
17.5 Two or More Systems
17.6 Encroachments
17.7 Location Information
17.8 Identification of Manholes, Handholes and Subsurface
Equipment Enclosures
17.9 Measurements
17.10 Backfill of Excavations