ML20234C117
| ML20234C117 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 09/10/1987 |
| From: | Shelton D TOLEDO EDISON CO. |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| References | |
| 1-747, IEB-85-003, IEB-85-3, NUDOCS 8709210177 | |
| Download: ML20234C117 (3) | |
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TOLEDO EDISON Docket No. 50-346 DONALD C. SHELTON he Presaht --Nrrar (419)249 2399 License No. NPF-3 Serial No. 1-747 September 10, 1987 United States Nuclear Regulatory Commission Document Control Desk Washington, D. C.
20555
Subject:
IE Bulletin 85-03, Additional Information Request Gentlemen:
Attached is additional information requested by Mr. P. R. Wohld of your staff as a result of inspection activities related to IE Bulletin 85-03 during the week of June 22 to June 26, 1987. provides Toledo Edison's continued differential pressure testing plan ror IE Bulletin 85-03 valves.
This plan is preliminary and subject to change as noted in the attachment. provides valve data which relates measured opening thrust to expected closure thrust under test differential pressure conditions.
This list includes part of the IE Bulletin 85-03 motor operated valves (MOVs) and some additional valves not included in the scope of IE Bulletin 85-03.
Very tru
- yours,
){ mA/
S:p1g Attachments j
cc:
DB-1 NRC Resident Inspector A. B. Davis, Regional Administrator (2 copies)
P. R. Wohld, NRC/ Region III 8709210177 870910 PDR ADOCK 05000346
'[lf G
PDR i
s t THE TOLEDO EDISON COMPANY EDISON PLAZA 300 MADISON AVENUE TOLEDO, OHIO 43652 k
Docket No. 50-346 License No. NPF-3 Serial No. 1-747 l
Continued Differential Pressure Testing of 85-03 (3)
VALVE FUNCTION D/P DIRECTION FREQ.(1)
COMMENTS (2)
AF 360,388 AFW Pump Disch N/A N/A N/A fixed orifice Block around valves AF 599,608 AFW Discharge CVI 1450 0,C 18 mo.
T.P. 850.09 ST 5071.02 AF 3869,3871 AFW Disch Cross-tie 1050 0
18 mo.
ST 5071.16 l
1050 0
18 mo.
ST 5071.26 i
DH 7A, 7B BWST ISOL to BWST 0,C 3 mo.
ST 5051.13 l
HPI Pump Head DH 9A, 9B Emerg, sump suct.
BWST 0,C 18 mo.
ST 5062.02 l
to HPI Pump Head HP 2A, 2B, HPI Disch Isol.
1600 0,C 18 mo.
ST 5051.04 2C, 2D
& CIV.
HP 31, 32 HPI Pump Min 1600 0,C 3 mo.
ST 5051.09
)
Recirc.
MS 106, 107 AFW Pump steam 885 C
3 mo.
MS 106A, AFW Pump steam 885 C
3 mo.
ST 5071.22 107A cross-tie & CIV.
70 0
3 mo.
ST 5075.01 1383 water suction (1)
Not every valve will be instrumented for each test (2)
Surviellence test (ST's) are still under revision to incorporate D/P l
testing (3)
Planned changes in system design may modify this test plan l
l l
l w____________-_____________
Docket No. 50-346 License No. NPF-3 Serial No. 1-747 Attacghtent 2 l
l VALVE TEST REQUIRED OPENING CALCULATED ACTUAL THRUST D/P OPENING THRUST +
CLOSURE CLOSURE AT THRUST 2 x P.E.
THRUST THRUST CST (Measured)
(Flow Test)
AF 599 1450 19,300 24,400 15,600 25,200 32,170 AF 608 1320 16,500 21,100 14,000 19,100 23,000 l
l AF 3869 1200 10,300 14,000 13,800 12,500 (1)14,300 AF 3870 1200 11,600 15,300 12,300 (1)13,300 l
AF 3871 1050 11,400 14,600 12,300 (1)13,600 l
AF 3872 1050 10,900 14,100 12,300 (1)12,700 CC 2645 99 8,800 9,500 10,200 10,500 l
l l
DH 9A 54 3,500 3,700 4,900 7,300 DH 830 420 12,100 13,800 8,200 18,000 DH 2734 300 33,200 35,100 23,900 53,600 l
DH 2735 425 1,100 1,500 700 1,500 EC 611 1050 4,500 6,100 5,200 5,900 MU 1A 2155 3,200 7,500 6,500 8,500 SW 1380 92 1,050 1,200 1,350 3,200 MS 106 885 10,000 6,600 12,200 MS 107 885 10,000 7,900 21,900 (1)
Torque switches are set for a D/P of 171# not for the pressure D/P testing performed at.
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