Page 15 - Texas811 Magazine 2018 Issue 3
P. 15

tn the null inoele or arrtiws to see it both inoeles agree
on the loeatirin at the line.
’ " Another quirk way In makt: sure your signal is reliable
_ is to locate top rleael center of the signal and slowly
,- \ list the reeeiyer straight up from the grounol. If the lop
/‘ ,_ dead center reaeling begins to dnft to one siole er the
2 y ’ .'. .p other your signal is rlistrirted. If your signal is round,
l _ _ _ p the trip dead eenterinrlieation will lie at the same
’ ‘ 7 ~ e *7 horizontal location, no matter how far away irorn
_ . i I l _ M: E ‘ the line you are. You can also do the saine teelinioue
‘ ._ f N -— when trying tu oletennine the relialiility of the depth
*' - V . >_  7 ' ' estiinatirin. Takn a depth measurement at grriund level
~ ,  I I and then hit your mcrsivzr up about a foul and see it
V ~ — : the rearling now inelieates that the line is about a toot
fl * ’ , tleeper Another valuable measurement provioletl by
':—_— E F. . . | most receivers is the eui-rent measurement when
, ~ you oleteet more than one signal in the area, oheele the
, H , ~-— , 1 eurrent rendlng on eaoh signal. The signal with the
' "f J _ , highesteui-rentreatling will lie the line you're applying
. 1 _ the signal on.
y y .e. . - e .

9: ' 1 Aline locatur’s mark is an eolueateel guess, anol riirist
lorators know that you are rarely gwen a seeonol
ohanee to mark the buned line eorreetly while
pinpointing the loeatuin ut the line, it is very iinprirtant
to measure twiee antl inarlt unee .

. _ ta-_
. 1;. r Bob Ntglisiutiilgtvr is the Pmsldtul and Cm afL1i‘lIl(y mmtiiy
Aeadmty. Bob has mi 25 ymvs AVfPX}YIV)('VtL‘P iii Mffltlli ofu(ll—
_ ,, - lly Iorflhllg and damage iwmiitioii rot uiuvsltcms WY etmmmits,
_ . ‘ ,, a Bob mm M mldmi 11.‘ I/obflltt/lst'/zlth com.
' 
l PREVENTING PIPELINE ACCIDENTS IS
EVERYONE'S RESPONSIBILITY.
Our Community. Our Safety. Call 8'11 before you dig! x
Visit www.sh-|l.us/pipeline or www.<a|l8I I .<om ‘
-s .
‘ n-an lb:
- Gin-nun
\ ’ ‘
I
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