Addition to Appendix B: Uniform Color Code and Marking Guidelines: Guidelines for Underground Electronic Utility Marker Technology; The Best Practices Guide 18.0 can be viewed in full on CGA’s website ...

Every digging job requires a call to 811. The failure to call 811 and have all underground utilities located is the number one risk to public and personal safety for Columbia Gas of Virginia.

Q: Street markings In a follow-up to the June 27 question on surveying marks, very often – I’m not sure if it’s from surveyors or other public workers – there is a marking &… ...

That one-call system is managed by a nonprofit Pennsylvania corporation created in 1972 to prevent damage to underground facilities, as well as maintain the safety of workers operating the equipment.

Columbia Gas of Virginia is reminding the public to pay attention to technicians marking the location of underground utility lines. The national “Call Before You Dig” number, ...