Ad
related to: utility markers in the ground
Search results
Results from the WOW.Com Content Network
Utility location markers for a fire hydrant, a drinking water line and a natural gas line in Germany. In Germany, the colors used for temporary marking of underground utilities are not standardized like in other countries. However, permanent marker signs are used for utilities like hydrants, drinking water lines and natural gas lines.
Markers are often installed on overhead lines near airfields, or at river crossings where there is a possibility of float-equipped aircraft using the river. Some markers contain conductor marking lights or strobe lights to improve visibility at night or in fog. An overhead line obstruction warning marker near an airstrip.
Markers are put at regular intervals to show the route and warn of the hazard of digging into the cable. Undergrounding is more expensive, since the cost of burying cables at transmission voltages is several times greater than overhead power lines, and the life-cycle cost of an underground power cable is two to four times the cost of an ...
An optical ground wire is a more advanced version with embedded optical fibers for communication. Overhead wire markers can be mounted on the ground wire to meet International Civil Aviation Organization recommendations. [6] Some markers include flashing lamps for night-time warning.
Based on the 2018 Damage Information Reporting Tool (DIRT) Report of the Common Ground Alliance (CGA), some of the most common root causes of utility strikes include failure to call 811 before digging, improper excavation practices, and inaccurate marking of underground facilities.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Steel utility pole for low voltage in Gryfów, Poland. The standard utility pole in the United States is about 35 ft (10 m) tall and is buried about 6 ft (2 m) in the ground. [5] In order to meet clearance regulations, poles can, however, reach heights of at least 120 feet (40 meters).
AOL Mail welcomes Verizon customers to our safe and delightful email experience!
Ad
related to: utility markers in the ground