ML20050E021
| ML20050E021 | |
| Person / Time | |
|---|---|
| Site: | Perry  |
| Issue date: | 04/02/1982 |
| From: | Schwencer A Office of Nuclear Reactor Regulation |
| To: | Davidson D CLEVELAND ELECTRIC ILLUMINATING CO. |
| References | |
| NUDOCS 8204120476 | |
| Download: ML20050E021 (4) | |
Text
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b DEisenhut/RPurpl e R PDR RTedesco 5Decke(IhiN{!D-440/44f ASchwencer CR JSt efano EHylton Thessin, OELD n
Mr. Dalwyn R. Davidson 01&E 9
6 Vice President Region III k/$
System Engineering and Construction Resident Inspec f
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A The Cleveland Electric Illuminating Company SHanauer
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Dear Mr. Davidson:
RHartfield, MPA W, p
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Subject:
Perry Nuclear Power Plant (Units 1 and 2): Request for b gs Additional Information on Unresolved Mechanical Engineering Branch Items.
Enclosure (1) lists additional questions which were concluded from your meeting with the Mechanical Engineering Branch staff on fiarch 9, 1982 We understand that CEI is already in the process of addressing these questions and expects to provide satisfactory responses in time for the review staff to complete their SER writeups.
We accordingly anticipate your responses not later than April 7,1982 Please advise John Stefano, the Perry project manager, if you will be uaable to provide your response by that date.
Sincerely, A. Schwencer, Chief Licensing Branch No. 2 Division of Li ensing l
Enclosure:
As stated cc: See next page 8204120476 820402 PDR ADOCK 05000440 E
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Mr. Dalwyn Rt Davids' n o
Vice President, Engineering The Cleveland Electric Illuminating Company-P.O. Box 5000 Cleveland, Ohio 44101 cc:
Cerald Charnoff, Esq.
Shaw, Pittman, Potts & Trowbridge 1800 M Street, N.W.
Washington, D.C.
20006 Donald H. Hauser, Esq.
The Claveland Electric Illuminating Company P.O. Box 5000 Cleveland, Ohio 44101 Pesident Ins;ector's O'fice 0.S. N.R.C.
Parmly at ' Center Road Perry, Ohio 0021 Donald T. Ezzone, Esq.
Assistant Prosecuting Attorney 105 Main Street Lake County Admini.stration Center Painesville, Ohio 44077 Tod J. Kenney 228 South College, Apt. A Bowling Green, Ohio 43402 Daniel D. Wilt Wegman, Hesiler & Vanderberg 7301 Chippewa Road, Suite 102 Erecksville, Ohio 44141 Ms. Sue hiatt OCRE Interim Representative 8275 Munson Mentor, Ohio 44060
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C' Toieco, Ohio 03604 John G. Cardinal, Esq.
Prosecuting Attorney Ashtabula County Courthouse Jefferson, Ohio 44047
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MECHANICAL ENGINEERING BRANCH Section 3.2 - Seismic Classification
- 1) The application should clarify whether the main steam and feed-water piping and supports located in the auxiliary and. turbine building are analyzed and designed for the OBE and SSE.
Section 3.6 - Pipe Rupture
- 2) Pipe whip restraints to be finalized and provided in FSAR.
(DSER 3.6-29)
- 3) The applicant to specify that the augmented ISI program is applicable to.all high-energy piping in the break exclusion region; not just MS and FW.
(DSER 3.6-9)
- 4) Applicant needs to clarify the criteria used for the design of pipe whip restraints that also function as pipe supports.
(DSER 3.6-24)
Section 3.9 - Mechanical Components
- 5) The applicant must provide additional information for the resolution of the cracking of the jet pump holddown o'eams.
(DSER 3.9-17)
- 6) The applicant must provide additional information regarding the system modifications and performance testing to be performed on the CR0 return line (NUREG-0619).
(DSER 3.9-18)
- 7) The applicant must provide the program for the inservice testing of pumps and valves.
(DSER 3.9-39)
- 8) The applicant to provide a response to the leak testing of pressure isolation valves.
(DSER 3.9-20)
- 9) The applicant to provide the program for preservice exam and pre-operational testing of snubbers.
(DSER 3.9-37)
- 10) The applicant to provide the specific loads, load combination, and acceptance criteria for piping in the wetwell that are affected by hydrodynamic loads.
- 11) The applicant to document the annulus pressurization study.
(DSER 3.9-34)
- 12) The applicant to provide assurance that the FW check valves can function following a line break outside containment.
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(13) The applicant to verify whether the spring hangers on the SRV piping can accommodate the additional weight of water during the alternate shutdown cooling mode.
(DSER 3.9-35)
(14) The applicant must clarify the criteria used to evaluate stresses in the break exclusion. region of the feedwater piping and other non-seismic Category I.
(15) The applicant to provide test results that show functional capability of B0P piping systems is assured at.ASME Service Level C stress limits. The staff accepts the use of GE Topical NED0-21985.
(16) The applicant must provide to the staff for review and approval its comprehensive reactor internals vibration test program for a prototype reactor (BWR6-238 inch).
(17)
IE 79-02 to be resolved.
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