Page 16 - Louisiana 811 Magazine 2019 Issue 3
P. 16

‘ :!*“'!L¥E!!.2! :1"    -«''‘'''-~ 55: '1 
'mx.uu...xx .. . : : :
la? 5 Elf ii ix ii"xx mm ‘ x 1 :::  .  flag  xg uni‘
. By Steve Eenzle
D1s torted Locate Tones
hen we apply a locale depth tcchnlquc" can help 1- “‘° “‘‘‘“3’ ‘‘‘“"5'“5 “‘'’“‘‘°“ °’
lane to a bunnd ullllty, we E J '1 d h h 0 depth
create an eleetto-nagnette "'2" ” “W '2' '””"” 2. Elnclncal cmas bonding of cabllng
field around the ut-hty- A almplc but very effnctlvn method. or p|pL‘~

[ts Ihl~ field that we dclccl wlmn we am T0... 0 0.00.1, ,..M.,,,g 0. g,00,,d .000.’

.,.,;,.y .0.0.,,,g_ .0 00 .0100. .00.... .00 mm ‘ht ‘mm A known dmnm my 3. lnducllve and tapacmve bleed ovcx
~-gnn1m<hete~ uut from the ut-hty en a 1ft, note the new depth readlng. If Lhc °‘ '"°“"= ‘°""

“W P‘““"°‘""‘° “'“Y- A“ “bl” ‘°°"‘°” -nrheated depth hm not Increased bv Clmnglng dlmcllun r. (112 ees.e.l to drill
are udluated and enhbmted Mum-ng that amuunL (11: Information .-heula W... Th. WW0. .0 .0 .0... ,0,,..,..g,
""5 '5 'h= CM‘ ”°W“’“r “' ‘hf M‘ be treated with e-utn>n- Tim “"1191? where «he ullllty 1~ nnIdev|r1l|ng.So,
world, the algnal .. very eneh elelerleel ,,...},0.. W... ,0.0n.,.y ..,,..,,,.,. 00.0 My way mm bend. ,.T,.,, or sudden
Wh'=" can lead tt? gewm“ bet": ‘meted even m ~'-t-mt-one where the peak/ null clmngna ln aeplh. The eleeper the ullllty,
'" “‘° ‘"°“5 P°‘“'°“ °' “°P‘h teehn-tlue eould otruggler for metanee the further away from (11: dcvmllun
There am 21 number of mchnlqum eh... ;V1'e'te;*hfe'nt=t‘e;tl";;°b-S eggglns [I you need to be

0 rree v xomaun rrrre rree v
can he u~Ld to mlerrhly .1 elmerlerl field above rm MW ‘ht (“get “my. > Emma‘ mm bonding Hm hm my
lw-ll expla-n a few ways» I am auee Io dCr1l\'\’l(htllhislO rcmuvc Lhc ere.-.
there are other». but these are the one» 30 mmlysls bonding so Lhal the utility you want M.»
1"“ Th“ ‘numb mmphmcd and 1 Sum locale can he lsolatzd. Rcmovmg ere..-
Peek/Null tcvhmvw ll ...~, as It ...e. hr. army of six anlcnnm bogdtlng lg ueuellgl Peegbge 0" tf'P='";le~
. , an ee oneta rr. u Hnu u~ua v

M°~t *“°<‘““ Chbh’ 1°‘“t°'~ hm L’ “""l.’'" ‘hf ,fi°'d,‘h“"‘,"},,d'“ 1 pmrhlepwrlh power fines. Never )
honzuntal antenn-1~ that we a good "“°;"'°""’ Q‘ T" ’ av.“ ." .°, m. ‘f tamper wrlh cabling urrles. authonzcd
preeee signal |hat rmwrmrre. Lhe bar my met at e °=et°t~r of T: t e ,0 00 ,0

graph rcadlng when It la dlmnly over ‘’'-°‘3 "W" V“’"*‘M*““>‘°“ ‘t °

...0 .,.,;,.y Thfy 0.00 hm 0 ,,0...0,.. good news -~ that des-gn engmeem lzleeel rwer Tlu~ usually occurs where
mmm um mam a mmmmm bar have elerre all lhe hard work for us and .agr.al bleeds r1Cn.>~~‘ hem lhe target
W01. .00..,..g 04.0.. 0.0. 9.0 .,.,.,.y PYf‘l‘“‘L‘ddQ1‘§h"‘l°Ymd"°n|“ a aunlole uullty onto an adlaccm hne This causm
T1,. ..,,., 0,0 ,0...“ .0 0. 0.0.. and ea or eu e “P a>- a ~L‘mndr1r_v eurrem to flow whreh

,0... 010...,’ “,0 nu“ mg... .0000 .0 Gm" hm graph mdmmg no /mum. callsm dlslomon. The he.-l way to deal
be affected by dlalonion mom than 0..,.0..,0n with the la by reduemg the frequency
.00 000., ,0 0... .000 .0 0,000,000 .00 of lhc leeele tune a. lhe effects of

M of the Mk made fa‘, ammq, Eluc bar graph lndlcalmg were capaatancu and mductlvc coupling
Hwcm We can use the nu“ mud. elelerlree .9 (mm (112 lniormauon wltli mduccs wlth luwnr lrequer.e.e..

.0 1.01., .d0.....,, ..,,..,,.0.. 00.0. a, cannon. Secondly make .rrre lhe poaltlon of lhe
the two lutatn po~il|on~ wlll eerrrerele R00. 00, WP}, ,,,..,.a.,,,g 0Xm,,.,0 ground -~' well away from ut-ht-ea -n the
wher. there ls no dlatnnlon but wrll he 0.,,.0,.,0n ,0 0.0 no, 00,. 3,0 an-ne v-em-ty as the atgnnl W-ll ehoose
..,,p.m0. m 0 0.,,.0,.00. 5.... Th. ,,,0,. momma“ to hrleh a nde an lhe um: r.e.rre.-l lhe
Lhc peak and null loeale pa.-men. are entth ~'teke-

dlsplacnd, Lhl: mere algnal dhtumun D-~torted s-gn‘nl~ are a rnelur reejon L0,...‘ ,0m0,,,.,0, .10.. ,. .0 0.“, mm .0

for mu-locr1lca,but rr we urmlemenel —

The ia a goud technique but run he wlml causes‘ them, we can mmgalc thclr h""“ “ P“““°‘t “““’““’" ‘M "gm"
fouled by aymmclncal dlslorllon. Thus 0...... 50 u1wuy~ cheek for ehatort-on and ehg
can  hr .........ee, wlmm lhcm _ wnh  3

are Iwu loente ~'-gnnlm one d-reetly  ‘j‘f"°"‘°" '5 “"5” ‘“ ‘h‘““ 1/ yam me qutafllvrls ur emmm Is fllvulu
above or below the target hnf- It the ‘ 3 ms arflclt ur rrlafcd Iuplcs, fool /ICC m

ts >“>P“C‘¢dr then u~-ng the Extended mtlmrf slm m‘. 5Itzlc.bmzic(rU v.urlI.tLml.

14 . Loulslzmlsfill 2019 Issue}






























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