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How do you mark buried cables?


Guidance on identification and location marking of buried cables is as scattered as a buckshot buck·shot  
n.
A large lead shot for shotgun shells, used especially in hunting big game.


buckshot
Noun

large lead pellets used for hunting game

Noun 1.
 blast from a sawed-off shotgun Noun 1. sawed-off shotgun - a shotgun with short barrels
scattergun, shotgun - firearm that is a double-barreled smoothbore shoulder weapon for firing shot at short ranges
 To help, we have pulled the pellets from various sources and put them in this one shell.

Cable-Route Markers

In general, there are two types of cable-route markers: stake- or post-mounted and surface-mounted.

Post-mounted markers provide higher visibility and have more room for you to provided detailed information about the buried cable.

Surface-mounted markers provide a lower profile and are good when post-mounted markers are unpractical Un`prac´ti`cal

a. 1. Not practical; impractical.
I like him none the less for being unpractical.
- Lowell.
 or objectionable.

The posts for post-mounted markers should be made from 24-gauge steel, aluminum or fiberglass. The thickness of the aluminum or fiberglass should be determined by how much will be needed to withstand high winds.

Surface-mounted cable route markers are made of concrete with a cap made of brass or some other durable metal. Lead was once frequently used for this cap, but is no longer allowed because of environmental concerns.

Surface-mounted markers will have the needed information impressed or cast into the metal cap. The metal cap should have a directional arrow Directional arrows are a type of traffic sign directing people to points of interest such as commuter rail stations, colleges, tourist attractions, neighboring communities and the like, but the popularity of these signs is falling because of the use of websites on which to look up driving , too, and stamped with a "C" or "D" to indicate that a cable or duct line is buried in the area.

These concrete markers will be round or square. They are 18 inches in length and 6 inches in diameter. On a paved surface Noun 1. paved surface - a level horizontal surface covered with paving material
apron - a paved surface where aircraft stand while not being used

horizontal surface, level - a flat surface at right angles to a plumb line; "park the car on the level"
, the marker will be flush mounted. In a mowed-grass area, the marker must be kept at a height at least 1/2 inch above the ground surface. In a graveled area, the marker must be at least one inch higher than the ground surface. In an uncultivated area, the marker must be at least four inches higher than the surface of the ground.

Marker Placement

How many markers you need along your cable route is your unit's call. The word for guidance is the word sufficient. You need to use the number of markers that is sufficient to meet the need for cable recognition. In high traffic areas where construction workers, repairmen, maintenance personnel and others may be frequently working, more markers will be needed.

As a minimum, markers need to be located in areas where the cable runs along roads, railroads, pipelines, streams, irrigation irrigation, in agriculture, artificial watering of the land. Although used chiefly in regions with annual rainfall of less than 20 in. (51 cm), it is also used in wetter areas to grow certain crops, e.g., rice.  or drainage ditches and any other location where excavations may take place.

Also, locate them at the beginning and the end of all cable runs, at each cable joint or splice, and wherever the cable changes direction.

Space the markers every 250 to 500 feet along a cable run depending on the activity in the area.

Markers must be visible from either direction along the cable route. Place them within two feet of the buried cable with a directional arrow pointing in both directions of the cable run. Surface markers will be placed two feet to the right of the buried cable.

Color Codes

All buried utilities have a color assigned to them so that everyone can know what is buried. On post-mounted markers, a colored decal should be on the marker. The color of the decal should be recognizable from at least 20-feel away. Surface-mounted markers do not use color codes.

HERE ARE THE ASSIGNED COLORS FOR CABLES ...

Red--electrical power lines, conduit systems and lighting cables

Orange--communications cables, television cables, alarm or signal cables

White--proposed subsurface sub·sur·face  
adj.
Of, relating to, or situated in an area beneath a surface, especially the surface of the earth or of a body of water.

Adj. 1.
 line

OTHER NON-CABLE COLORS ARE ...

Yellow--gas, oil, steam, petroleum or dangerous materials

Blue--water, irrigation and slurry slurry,
n a thin mixture of insoluble material floating in liquid.


slurry

solids in suspension. Used as a method of feeding pigs—slurry is pumped through fixed lines and delivered to troughs by hoses equipped with gasoline pump fittings.
 lines

Green--sewer and drain lines

Pink--temporary construction project site survey markings

Also, post-mounted markers should be yellow with black lettering. The lettering should be visible from at least 20 feet away.

What the Marker Should Say

--Warning: Buried Cable

--a POC (Proof Of Concept) See PoC exploit.

POC - Point Of Contact
 to contact and a phone number to call before digging in the area

--a color-coded decal indicating the type of cable or duct

-Markers in foreign countries need to be written both in English and the language of the country.

Who to Contact

FOR FURTHER INFORMATION CONTACT OLIVER WHITE NETCOM NETCOM Network Enterprise Technology Command (US Army)
NetCom Network Command (information systems) 
, G-4 ATTN: NETC-LOX SUPPLY AND MAINTENANCE DIVISION, FT HUACHUCA, AZ 85613

CALL HIM AT DSN DSN - Digital Switched Network  879-6613 OR (520) 538-6613. OR EMAIL See e-mail. : oliver.white@neetcom.army.mil
COPYRIGHT 2006 PS Magazine
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2006, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Article Details
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Title Annotation:underground power lines
Publication:PS, the Preventive Maintenance Monthly
Geographic Code:1USA
Date:Jun 1, 2006
Words:679
Previous Article:CX-13295A/G: completely cable.
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