Electrical power lines, cables, conduit and lighting cables. Utility locating colors and their meanings penhall. Unlock gates, provide gate codes and remove dogs or other pets from the yard. On october 20th, 2007, georgia public service commission rule 51594. These are the colors our utility members will use to mark their underground facilities at your dig site proposed excavation communication catv temporary survey marking electric water reclaimed water irrigation slurry gasoilsteam sewer storm drain apwa uniform color code app coming soon the booklet was brought to you by usa north 811.
Apwa uniform color code for marking underground facilities. Color coding for underground infrastructure have you ever wondered about the paint markings on the ground around a new construction site, or a building undergoing remodeling. Orange communication, alarm or signal lines, cables, or conduit. A uniform color code and set of marking symbols is adopted. Reduce worker risk of digging near underground electrical, gas, water, telephone, communication, or other utility lines with underground warning tape. Nondetectable warning tape for the protection, location and identification of underground utilities. Underground tape helps prevent accidental digins that result in loss of revenue, repair expense, or damage to life and property.
Arrows should be placed at the ends of markings to indicate that the underground. The facility color and facility owner identity may be added to white flags or stakes. Remember, call texas811 before digging to avoid hitting any of these underground utility lines, no matter what the job is. Color codes for utility markouts utility survey corp. All of our underground utility marking tape meets the american public works association apwa uniform color code standard. Call julie before you dig for safe digging in illinois. Utility color codes are used to identify existing underground utilities in construction areas, to protect them from damage during excavation. Marking these helps excavators use the safest measures possible when digging on a job. Apwa uniform color codes for temporary marking of underground utilities. Anyone who plans to dig should call 811 or go to their state 811 centers website before digging to request that the approximate location of buried utilities be marked with paint or flags so that you dont unintentionally dig into an underground utility line. It is critical for all pipeline and other contractors to accurately locate and identify pipelines utilities before any excavation begins. If any evidence is found, contact the owner, the engineer and wait until the systems have been located and marked check for any new construction, utility trenches or evidence of new utility installations check to see if all services and utility laterals.
Each color of mark or flag represents a different type of underground facility. 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 phone to advise you that your site is clear from any conflict with their underground facilities, or by providing you information about the location of their. We follow the american public works association uniform color codes red electric yellow gas. Underground warning tape is the last line of defense for your underground utility. Recommended marking guidelines for underground utilities. Call 811 or 8887217877 or request a locate damaging a utility could result in costly fines, inconvenient outages, injury or even death. Proposed excavation use white marks to show the location, route or boundary of proposed excavation. Public and private utility companies follow a national council uniform color code. Provide physical access to the dig site for utility locators. The first section of the rule describes white lining.
Anyone who plans to dig should call 811 or go to their state 811 centers website before digging to request that the approximate location of buried utilities be marked with paint or flags so that you dont unintentionally dig into an underground utility. Colored lines, flags, or both are used to mark the location and denote the type of underground utility. The information contained within appendix b was approved by the cga board of directors on september 24, 2004. The apwa, through its utilities and public right of way committee, has developed and published guidelines for temporary marking of underground utilities which include an apwa uniform color code in order to minimize damages during excavation and similar operations in which the earth or the earths surface is moved, removed, or displaced. If you have noticed these things, most likely you are looking at public and private underground utility markings. When marking out a dig site, do not use any color other than white see reverse side for color code information. The tolerance zone in arizona includes the width of the facility if indicated plus 24 measured from each side of the marked facility. Color codes underground utility marking global gpr services. Empire warning tape, available in apwa standard colors. Marking buried splices, valves, and manholes the proposed guidelines are all the committee could reach consensus on. Create tickets for digging or design anytime with estake stake contact arizona 811 two working days before you dig. Red electric power lines, cables, conduit, and lighting cables.
Apwa uniform color code for marking underground utility lines. Keeping track of work areas and whats underground can be tricky, so organizations like digalert mandate the use of white paint, chalk, flour or flags to mark off construction zones, plus uniform color codes developed by the american public works association apwa for the temporary marking of underground utilities. Utility markouts 6 colors and why they matter to you. Working to reduce damages to the underground infrastructureensuring public safety, environmental protection, and the integrity of services by promoting effective damage prevention practices. Electric power lines, cables or conduit, and lighting cables. This transmitted frequency can be traced for considerable distances across a site for underground utility location and marking and for utility mapping.
Letter to utility operators, excavators and locators. Recommended marking guidelines for underground utilities august 9, 2001 page 11 11 marking offsets if every underground facility, road or permanent surface ran north to south or east to west, this would be a viable option. Anyone who plans to dig should call 811 or go to their state 811 centers website a few business days before digging to request that the approximate location of buried utilities be marked with paint or flags so that you dont unintentionally dig into an underground utility line. Working safely around underground utilities at excavation sites reference 1926 subpart p in the middle of the city, out in the suburbs, and perhaps even in the middle of nowhere, there is a. A special type of spray paint, which works when the can is upsidedown. Underground facilities shall be marked in accordance with the following designated color code. Uniform color code red electric power lines, cables, conduit and lighting cables yellow gas, oil, steam, petroleum or gaseous materials orange communication, alarm or signal lines, cables or conduit blue potable water green sewers and drain lines purple reclaimed water, irrigation and slurry lines typical marking tolerance zone tolerance zone 24 600 mm. Also, a related color in underground utility designatinglocating is white, which is usually used for marking proposed areas for excavation or other groundintrusive work. See uniform color code below uniform color code44 the following apwa uniform color code ansi z535. Recommended marking guidelines for underground utilities uniform color code for apwa and cga ansi z535. Standard color markings for underground facilities transportation. Premarking of the outer limits of the proposed excavation or marking the centerline and width of proposed lineal installations of buried facilities. Georgia 811 is a nonprofit corporation dedicated to preventing damage to georgias underground utilities and promoting public safety. Utility markouts 6 colors and why they matter to you by utility survey corp.
Uniform color code for marking underground facilities know whats below. Yellow gas, oil, steam, petroleum, or gaseous material. Publication of this paper sponsored by committee on utilities. Tape contains the printed identification of the utility line buried below it and it comforms with apwa color code specifications for underground tape systems. It alerts workers of buried cables, pipes, and utilities buried below. Pink is strictly used by land surveying companies to state where the temporary survey markings are. Oil or steam orange cable or telephone blue water green sewer purple reclaimed water pink temporary survey markings. Color codes underground utility marking global gpr. Pre marking of the outer limits of the proposed excavation or marking the centerline and width of propose lineal installations of buried facilities. So, from california to ohio to maine, the colored markings share the same meaning. It provides universal understanding of the marking of underground utilities for both construction and engineering projects.