ML19207C029: Difference between revisions
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LICENSEE EVENT REPORT coNTootruocx: _ [ 1_[_ _j (^.) (PLEnse onlNI OR TYPE' ALL HEQUIRED int ORMATION) l0 t lN lCuco.m B[E P cjQ')LO10J _L_0J OJ 01010 - LOJ_0JGL4J 1iict 111 t' ,st rut a 11GIsi cat sa l@ | LICENSEE EVENT REPORT coNTootruocx: _ [ 1_[_ _j (^.) (PLEnse onlNI OR TYPE' ALL HEQUIRED int ORMATION) l0 t lN lCuco.m B[E P cjQ')LO10J _L_0J OJ 01010 - LOJ_0JGL4J 1iict 111 t' ,st rut a 11GIsi cat sa l@ | ||
a 9 t m ii to< - nw to a. | a 9 t m ii to< - nw to a. | ||
CON'T 8 3 7 fU ' O[$ [L_jh[__0[ SiO_[_-j 0 3[ 2 l 4 ]@l O l 7 3l1 7 l 91@L I | CON'T 8 3 7 fU ' O[$ [L_jh[__0[ SiO_[_-j 0 3[ 2 l 4 ]@l O l 7 3l1 7 l 91@L I I 1 I 1 9@ | ||
EVE N T DESCHIP flON A Drn0BA Ir( 'E NCES o 2 lWhile working on the reference leg of torus level instrument CAC uT-3342, the CAC-LT-26101 jo 3 l instrument drif ted out of tole.ance. The local temporary sightglass was checked to jo a [ verify proper operation of CAC-LT-2602 prior to removing 2601 for calibration and the ] | |||
I 1 I 1 9@ | |||
EVE N T DESCHIP flON A Drn0BA Ir( 'E | |||
NCES o 2 lWhile working on the reference leg of torus level instrument CAC uT-3342, the CAC-LT-26101 jo 3 l instrument drif ted out of tole.ance. The local temporary sightglass was checked to jo a [ verify proper operation of CAC-LT-2602 prior to removing 2601 for calibration and the ] | |||
[o s [ level was -34". When level was increased to -30" by sightglass , CAC-LT-2602 read -21" l liTF1 land was declared inoperable. _ | [o s [ level was -34". When level was increased to -30" by sightglass , CAC-LT-2602 read -21" l liTF1 land was declared inoperable. _ | ||
l jo i ITechnical Specifications 3.3.5.2, 3.3.5.3, 3.5.4, 6.9.1.9c l Io s L___________. _- __ . . _ _ _ _ _ _ _ . _ _ _ __._ _ _ | l jo i ITechnical Specifications 3.3.5.2, 3.3.5.3, 3.5.4, 6.9.1.9c l Io s L___________. _- __ . . _ _ _ _ _ _ _ . _ _ _ __._ _ _ | ||
| Line 35: | Line 31: | ||
lo o s | lo o s | ||
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t i /, 6 * ._t n qi 51 E N I S 10's l ,T* | |||
t i /, 6 * ._t n qi 51 E N I S 10's | |||
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'Ifr 5; 5 s> q a r t c, a y { 21 r.It , 1 r. , | 'Ifr 5; 5 s> q a r t c, a y { 21 r.It , 1 r. , | ||
| Line 51: | Line 43: | ||
l Y lg 42 j ''] | l Y lg 42 j ''] | ||
45 | 45 | ||
{Gl0l8l0lg 24 47 cauw r.r.m r r im. ec.o e : m a n < r' (i) ji | {Gl0l8l0lg 24 47 cauw r.r.m r r im. ec.o e : m a n < r' (i) ji o ] lThe 2602 instrument was calibrated, compared to the sightglass, and returned to service {. | ||
o ] lThe 2602 instrument was calibrated, compared to the sightglass, and returned to service {. | |||
li i [ All three instruments have flat runs in their sensing lines that allow air to be trapp(t] | li i [ All three instruments have flat runs in their sensing lines that allow air to be trapp(t] | ||
ji l making the return of d ese instruments to service very dif ficult. CAC-LT-3342 also hadj ii , lan improper calibration range establis..ed by its ins tallation plant modification, l ti 3 [77-370G, due to the el_vation of the tratismit t 2 c. _ | ji l making the return of d ese instruments to service very dif ficult. CAC-LT-3342 also hadj ii , lan improper calibration range establis..ed by its ins tallation plant modification, l ti 3 [77-370G, due to the el_vation of the tratismit t 2 c. _ | ||
| Line 61: | Line 51: | ||
u i x % | u i x % | ||
AC li s t i v N ! t '. T , | AC li s t i v N ! t '. T , | ||
no u r.m < oo r , < mU u m m m ua *' | no u r.m < oo r , < mU u m m m ua *' | ||
'i 6 a 9 Q] h l Z[)[NA - o a l NA si l | 'i 6 a 9 Q] h l Z[)[NA - o a l NA si l | ||
| Line 67: | Line 56: | ||
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l 0 l 0 l 0dS a a | l 0 l 0 l 0dS a a pg l | ||
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a 9 ,1 1' 1e ri o >rl | a 9 ,1 1' 1e ri o >rl | ||
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r.,; e in n pii . , ff i ) | r.,; e in n pii . , ff i ) | ||
*> A . t 8 3 s LM) ai [01c j 0 jgl NA j | |||
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f '.T s [ ,r Ipt: \ ,, | f '.T s [ ,r Ipt: \ ,, | ||
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L1 1I IIII e. | L1 1I IIII e. | ||
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- , A.C. Tollison, Jr 7909060 1 < , , 919 '*9 -% 21 | - , A.C. Tollison, Jr 7909060 1 < , , 919 '*9 -% 21 | ||
LER CONTINUATION - ROP 2-79-066 Facility: BSEP Unit No. 2 Event Date: 7-31-79 A correct calibration range ..as established, the 2601 and 3342 instruments were calibrated, and the air was removed from the sensing lines by backflushing the lines and letting them settle for 24 hoi s. All level f.nstruments were compared and agreed at this time. The 2602 had been backflushed during an earlier cali-bration, therefore, was not required at this time. Engineering b'ork Reques t 79-465 has been written to consolicate these and other problems noted with the torus level sys ten. The 2601 and 2602 instruments are being calibrated on a monthly basis and the 3342 instrument is being added to the sarae preventive maintenance program. Other than the out of tolerance level, this problem is common to both units. | LER CONTINUATION - ROP 2-79-066 Facility: BSEP Unit No. 2 Event Date: 7-31-79 A correct calibration range ..as established, the 2601 and 3342 instruments were calibrated, and the air was removed from the sensing lines by backflushing the lines and letting them settle for 24 hoi s. All level f.nstruments were compared and agreed at this time. The 2602 had been backflushed during an earlier cali-bration, therefore, was not required at this time. Engineering b'ork Reques t 79-465 has been written to consolicate these and other problems noted with the torus level sys ten. The 2601 and 2602 instruments are being calibrated on a monthly basis and the 3342 instrument is being added to the sarae preventive maintenance program. Other than the out of tolerance level, this problem is common to both units. | ||
C. x1O O | C. x1O O | ||
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Latest revision as of 07:16, 2 February 2020
| ML19207C029 | |
| Person / Time | |
|---|---|
| Site: | Brunswick  |
| Issue date: | 08/30/1979 |
| From: | Tollison A CAROLINA POWER & LIGHT CO. |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| Shared Package | |
| ML19207C022 | List: |
| References | |
| LER-79-066-03L, LER-79-66-3L, NUDOCS 7909060329 | |
| Download: ML19207C029 (2) | |
Text
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LICENSEE EVENT REPORT coNTootruocx: _ [ 1_[_ _j (^.) (PLEnse onlNI OR TYPE' ALL HEQUIRED int ORMATION) l0 t lN lCuco.m B[E P cjQ')LO10J _L_0J OJ 01010 - LOJ_0JGL4J 1iict 111 t' ,st rut a 11GIsi cat sa l@
a 9 t m ii to< - nw to a.
CON'T 8 3 7 fU ' O[$ [L_jh[__0[ SiO_[_-j 0 3[ 2 l 4 ]@l O l 7 3l1 7 l 91@L I I 1 I 1 9@
EVE N T DESCHIP flON A Drn0BA Ir( 'E NCES o 2 lWhile working on the reference leg of torus level instrument CAC uT-3342, the CAC-LT-26101 jo 3 l instrument drif ted out of tole.ance. The local temporary sightglass was checked to jo a [ verify proper operation of CAC-LT-2602 prior to removing 2601 for calibration and the ]
[o s [ level was -34". When level was increased to -30" by sightglass , CAC-LT-2602 read -21" l liTF1 land was declared inoperable. _
l jo i ITechnical Specifications 3.3.5.2, 3.3.5.3, 3.5.4, 6.9.1.9c l Io s L___________. _- __ . . _ _ _ _ _ _ _ . _ _ _ __._ _ _
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lI C J @ l,a j t; L^J O l oI l N S l T [R lu U lh p l@ lZ l@
t i /, 6 * ._t n qi 51 E N I S 10's l ,T*
~
,;, e ri 73pt ., 3 i + , ._. _
, , ., , m ,,
'Ifr 5; 5 s> q a r t c, a y { 21 r.It , 1 r. ,
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{Gl0l8l0lg 24 47 cauw r.r.m r r im. ec.o e : m a n < r' (i) ji o ] lThe 2602 instrument was calibrated, compared to the sightglass, and returned to service {.
li i [ All three instruments have flat runs in their sensing lines that allow air to be trapp(t]
ji l making the return of d ese instruments to service very dif ficult. CAC-LT-3342 also hadj ii , lan improper calibration range establis..ed by its ins tallation plant modification, l ti 3 [77-370G, due to the el_vation of the tratismit t 2 c. _
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l 0 l 0 l 0dS a a pg l
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, ,--~ (* 4 * ' { \ n t ,
r.,; e in n pii . , ff i )
- > A . t 8 3 s LM) ai [01c j 0 jgl NA j
R ') '. 80 10'50 o u t ,, 1-ist 1
'fi [
f '.T s [ ,r Ipt: \ ,,
i 9 l l Z l@l NA go M 9
""c m i' W i o .c o,. . (b " "Ntv .
o a 9 LnJ8INA n l
L1 1I IIII e.
If
- , A.C. Tollison, Jr 7909060 1 < , , 919 '*9 -% 21
LER CONTINUATION - ROP 2-79-066 Facility: BSEP Unit No. 2 Event Date: 7-31-79 A correct calibration range ..as established, the 2601 and 3342 instruments were calibrated, and the air was removed from the sensing lines by backflushing the lines and letting them settle for 24 hoi s. All level f.nstruments were compared and agreed at this time. The 2602 had been backflushed during an earlier cali-bration, therefore, was not required at this time. Engineering b'ork Reques t 79-465 has been written to consolicate these and other problems noted with the torus level sys ten. The 2601 and 2602 instruments are being calibrated on a monthly basis and the 3342 instrument is being added to the sarae preventive maintenance program. Other than the out of tolerance level, this problem is common to both units.
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