Page 15 - Arkansas 811 Magazine 2019 Issue 3

can occur, for rnslance, where lhere creen bar graph indicating nu/nunirnal Eleclrical cross bonding The lies: way
are twu locale slgnals, one direclly disloruon to deal wuh lhis is lo rernove the cross
above or below the largel line. If this . . bonding so that the utility you wanl ID
._ _ ,, lalue bar graph indicanng sorne ._ . _
is suspecled, then using the Extended d, I I _ m “h m ‘, M1 locale can be isolaled. Removing cross
deplh lechnique" can help ‘” °’ ‘°" “’ “ “ °"““ ‘°“ ‘“‘ bonding is usually possible on pipelines
. ”“‘‘°“' and lelephone cabling bul is nul usually
Earmided deylh technique . . _ . . . _
Red bar graph mdlcatmg excessive possible with power lines. Never

A simple but very effzcuve ineihod. disloruon so do nut lrusl lhe tamper with cabling unless aulhorised
Take a depth readmg al ground level, Infunnarinn to do so.

"M ‘M “’°“‘°’ “ k“"'”’“ d"""“‘°' "“—" Dislorled signals are a malnr reason Bleed over This usually occurs where
la, note the new depth rendmg. If the , . .

. . . for nus-locales, but ii we understand signal bleeds across from lhe target
indicaled cleplh has nol increased by . . . . . .

. . whal causes them, we can mmgnle lheir ullllty onlo an ndyacenl hne nus causes
that ainuunl, the Infunnahun should _ .
. . eicecls a secondary currenl tn flow which
b‘ "““d ‘”‘”‘ °“““°“‘ “W ‘‘"‘l’" causes disioruon The besl wa lo deal
inelhod wlll idenmy dislurled held 1 believe dislomon is caused in lhree Wm" "}m’h b mglucm the my um
even in situations where the peak/null milln ways of LhE1u’m’m 3;“ as Lhf efim 1, V
‘“d““‘l“° “°“‘d *““$g'“' ‘°‘ ‘“’‘“““° 11. l. - ca acilance and inducuve cau lin
Where ‘he immmm E mums :1. he uulny c angmg direcuon or mg‘-mes Wm‘ law“ mqumml: E
““‘““Y f’‘““ “ “‘”“Y "“"“" ‘“’°“‘‘Y 9?‘ secondl make sure lhe siuon of lhe
above or below ills largfl uril|ry- 2. Elecu-ieal cross banding of (ablmg groundi We“ may ,,D;’1°;m,mmn the
3;; ,.,,,.;_,,5,~, Dr Pipes sanie viclnity as the signal will choose
- h’l h d h - l

Th“ mnds mmpfimedy and 1 sum 3. lnducuve and capacltlve bleed over to I C‘ a n 9 ant 2 nr-2 r-enrw he

. . . of locale lune will stake-

il is, as il uses an array of ~'D( anlennas

to analyse the field shape in three Changing directinn is lhe easiesl tn deal Laallys remember tlwl it Is very rare to
dimensions. 185 only available in the Wm The “We, a, [0 [aka wading, have a perrecl, dislunian free signal.
very lalesl cable localozs, such as the Wham ms .,tm,y is W devm;,,g_ SD, so always check for dislorlion and dig
vLo:3 [rum Vlvnx-Melmlech. The my way mm bands an. 0, Suddm wuh care. .

gnarl news i~' that deals“ er-sir-em changes in deplh. The deeper Lhe utllity, lfynu have qrAe5;‘Icms or rlzmluevtls al-out
have dune all {he hard work for us and the hirlher away horn lhe devianun lms amcle or relnrcd IopIL‘s,feel_/1'29 Io
presented the -r-formauon m n srrnple yuu need to be. mllffltf slenc rm 5Iez1e.bmzi2@ vrmhcom.
color coded display.

TBl€nLSoN
IIIPISIIIIEIHIHIIIIISOPHIIIIIIIII
canazmcrion Angrlx is a 501(C,lJ nan —pnyiI organ mzron .-La.-;mv.'der ivinedim nxtirlnnrt ttnd grizfmunxzling
In Mr rmdmi (19 avyntmgzr) aadipaiar Iefi mind vilaca a caarmmoa Imrlcrbduaftlalily an .-mo» rm.
Bmnieanammlrpvmranne nfmskvcu
AngdL:wI- ¥25.W0pny¢n
Platinum I.:vd— :15. 000p:r’¢ur
c.‘uIdL.ucI- II0,000pery4-1:1
sitwrLevsI:s,aoa;eryeer
BmzeLeue1-uuaapevyea
mi-mnisyomnmnniduurwgamugs, I.-ivit:
lfl. B
2019, Issue 1 Arkansas 511 Maeanaa . 13