ML19319D503
| ML19319D503 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 07/13/1973 |
| From: | Maccary R US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Deyoung R US ATOMIC ENERGY COMMISSION (AEC) |
| Shared Package | |
| ML19319D504 | List: |
| References | |
| NUDOCS 8003170630 | |
| Download: ML19319D503 (2) | |
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FWRf4/B. Buckley Responsible Dreach and Project Managers Requested Completion Date - 7/13/73 Applicants response date nccessary for completion of next ac, tion planned on project:. 11/9/.73 Description of Rosponse: Responseico positions
' Review Status: Avaiting Information" Adequate responsna to the c'nclosed list of positrus prepred by the Mechanical Engineering 3 ranch, Directorate of Licensim, are requir.3 before w can complete our review of the subject applic.stion. These positions coaccru protection against the effacts of pipe whip, pre-operational testing and e.achanical~ systeas and components.
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i REQUEST FOR ADDITIONAL INFORMATION CRYSTAL RIVER UNIT 3 DOCKET NO. 50-302 Reactor Coolant System 1.
The response to Question 4.19 is not satisfactory.
The staff position regarding a preoperational piping dynamic effects test program is delin-eated in Attachment A.
Indicate your intention to comply with this position.
2.
The response to question 4.20 is not acceptable.
The pipe break location a
and orientation criteria is not clear.
State the criteria used to locate postulatedbreaklocationsand'breakorientation)s. Note any differences
between the criteria used and Regulatory Guide 1.46 and justify any differ-4 ences.. Also, Attachment B presents the staff position regarding pipe whip i
dynamic analysis.
Indicate any deviations from this position and justify the differences.
3.
The response to Question 4.22 is not satisfactory. Describe the stress, strain or deformation criteria used to assure the structural integrity and equipment function of all Seismic Category I component and equipment supports.
4.
Describe the procedures and results used to assure the operability of active pumps and valves under faulted plant conditions.
The discussio,n should include a listing of all Category I active pumps and valves, their safety function (open or close), test conditions, ope, rational conditions, special tests, etc.
Instrumentation and Electrical Ecuio.nent s
1.
Topical Report 3AW-10003 has been referenced for assuring the oper-ability of Category I instrumentation and electrical equipment under seismic disturbances. This report is conditionally acceptable.
In order to be applicable to Crystal River 3, provide the following information:
(a) verify that the responses of cabinet assemblies at the various instrument or device mounting locations due to SSE are determined either j
by testing or dynamic analysis.-
'(b) verify that the maximum response determined in (a) above of the r:)-
instrum'nt or device mounting locations are less than lg.
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