underground utility marking colors
DigAlert Underground Service Alert Southern California Before you dig underground call DigAlert for Utility Locating Services to locate any dangerous wires and cables in CA From San Diego to. The utility members listed on your ticket can respond in a number of different ways including marking the location of their underground facilities at your site contacting you via email or.
Apwa Uniform Color Code For Marking Underground Utility Lines Clarksville Online Clarksville News Sports Events And Information
The American Public Works Association APWA recommends the following guidelines be used when marking underground utilities.
. Pink is strictly used by land surveying companies to state where the temporary survey markings are. Sewers drainage facilities or other drain lines. Pre-marking of the outer limits of.
Sewers drainage facilities or other drain lines. Know Whats Below Call. Underground utilities marked red or yellow are most dangerous if the situation is not taken seriously just like when you encounter red or yellow traffic lights.
The color code reads as follows. Treated Wood Metallic UV Resistant Plastics etc Mark. Green is used to designate storm and sanitary sewer pipes both gravity and forced.
Most often used are the colors red yellow blue and black. The color codes for locating utilities conduit or rebar in concrete can present slightly. Color Code for Marking Underground Utility Lines Blue - Water Green - Sewer Orange - Communication CATV Pink - Temporary survey markings Purple - Reclaimed water irrigation.
Other colors such as purple and pink and white are sometimes used for unknownunidentified underground utilities or proposed areas for excavation or other ground. Purple is used to signify non-potable non-drinkable water sources such as grey water pond. Marker material shall be durable in nature.
Communication alarm or signal lines cables or conduits and fiber. Markers must be clearly visible. White Proposed Excavation Pink Temporary Survey.
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