ML20215N450
| ML20215N450 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 10/31/1986 |
| From: | PORTLAND GENERAL ELECTRIC CO. |
| To: | |
| Shared Package | |
| ML20215N443 | List: |
| References | |
| TAC-63526, NUDOCS 8611050423 | |
| Download: ML20215N450 (4) | |
Text
'
LCA 146 Attachment A Page 1 of 4 REACTIVITY CONTROL SYSTEMS SHUTDOWN R00 INSERTION LIMIT LIMITING CONDITION FOR OPERATION 3.1.3.4 All shutdown rods shall be fully withdrawn (> 225 steps).
l APPLICABILITY: MODES 1* and 2*#
ACTION:
With a maximum of one shutdown rod not fully withdrawn, except for surveillance testing pursuant to Specification 4.1.3.1.2, within one hour either:
a.
Fully withdraw the rod, or b.
Declare the rod to be inoperable and apply Specification 3.1.3.1.
SURVEILLANCE REQUIREMENTS 4.1.3.4 Each shutdown rod shall be determined to be fully withdrawn:
a.
Within 15 minutes prior to withdrawal of any rods in control banks A, B, C.or D during an approach to reactor criticality, and b.
At least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> thereaf ter.
- See Special Test Exceptions 3.10.2 and 3.10.4.
- With Kerr 11.0.
TROJAN-UNIT 1 3/4 1-22 8611050423 861031 PDR ADOCK 05000344 P
\\
LCA 146 Attachment A Page 2 of 4 REACTIVITY CONTROL SYSTEMS CONTROL R00 INSERTION LIMITS LIMITING CONDITION FOR OPERATION 3.1. 3. 5 The control banks shall be limited in physical insertion as shown in Figures 3.1-1 and 3.1-2.
APPLICABILITY: MODES 1* and 2*#.
ACTION:
With the control banks inserted beyond the above insertion limits, except for surveillance testing pursuant to Specification 4.1.3.1.2, either:
~
a.
Restore the control banks to within the limits within two hours, or b.
Reduce THERMAL POWER within two hours to less than or equal to that fraction of RATED THERMAL POWER which-is allowed by the group position using the above figures, or c.
Be in HOT STANDBY within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.
SURVEILLANCE REQUIREMENTS 4.1.3.5 The position of each control bank shall be determined to be within the insertion limits at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> except during time intervals when the Rod Insertion Limit Monitor is inoperable, then verify the individual rod positions at least once per 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />.
- See Special Test Exceptions 3.10.2 and 3.10.4.
- With Kef f 11.0.
TROJAN-UNIT 1 3/4 1-23
\\
LCA 146 AttachnGnt A Page 3 of 4 (FgY WITHORAWN.> 225 STEPS) l
/
200 r
/
(1.0. 18 9)
/
/
/
/
/
BANK-C
/
5
/
/
130 E
/
/
E
/
/
/
/
a iO, n8)
/
7 5
/ BANK-D E
/
8
/
/
c
/
30
/
/
/
/p.Os p>
( FULLY O
O.2 0.4 0.6 0.8 1.0 INSERTED)
FRACTION OF RATED THERMAL POWER FIGURE 3.1-1 ROD BANK INSERTION LIMITS VERSUS 'TERMAL POWER FOUR LOOP OPERATION TROJAN-UNIT 1 3/4 1-24 Amendment No. ##, 50 October 6, 1980 L
~
LCA 146 Attachment A Page 4 of 4 (FULLY WiTHORAWN,> 225 STEPS) l 228 7
l
)
200
/ BANK-C
/
/
/
f
/
/
IM 5
/
E
/
{
[ BANK.-D
/
a 5
/
/
x k
[
/
8
/
r/
0 (FULLY.
0 0.2 OA 0.6 0.8 INSERTED)
FRACTION OF RATED THERMAL POWER FIGURE 3.1-2 1
ROD BANK INSERTION LIMITS VERSUS THERMAL POWER THREE LOOP OPERATION TROJAN-UNIT 1 3/4 1-25 1
t