ML19312C666
| ML19312C666 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 11/25/1969 |
| From: | Moore V US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Boyd R US ATOMIC ENERGY COMMISSION (AEC) |
| References | |
| NUDOCS 7912190874 | |
| Download: ML19312C666 (2) | |
Text
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NOV 2 51969
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Roger S. Boyd, Assistant Director for Rasetor Projects, DEL THRU: Saul Levine, Assistant Director for Reactor Technology, DEL m
THE DUKE PCWER COMPANT OCCNEE UNITS 1, 2 AND 3, DCCERT NOS(50-269g 270, 287; QUESTIONS AND SGEMATIC DIAGRAMS RELATING TO INSTRmS3rf1 TION, CONTROL AND POWER RT-744 A forwarded tha I&PTB questions relating to instrumentation, control and power.
As a result of meetings with the applicant on November 13 and 19,1969, we find it necessary to make the following changes to our questions:
1.
Question 13 - Delete this question; 2.
Question 17 - Change this questica to read:
Page 7-17 of the FSAR states that "The drive controls, i.e., the drive mechanism and rods combination, have an inherent speed-limiting fea ture. " Please dascribe this feature and show how it prevents rod speeds of other than 30/: min.
In the event that this speed-limiting function is accomplished by the use of synchronous progransner motors, identify the sources of power to the programmer motors. For each of these sources, describe the features which prevent or limit frequency changes.
The remaining questions should be forwarded to the applicant.
In addition, please request that the applicant submit his Reactor j
Protection System, Engineered Safety Feature, and electrical power system schematic diagrams for our review. The following schematic diagrarse are required:
j 1.
a.
Protection channel outputs, including trip relay coils 1
b.
Operation bypass circuits (if any) c.
Logic circuitry which controls the reactor trip breakers 2.
Engineered Safety Features a.
Channel output circuita, including trip relay coils, for UP and LP Safety Injection. Containment Spray, Steamline Isolation, Containment Isolation, and Feedwater Isolation.
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NOV 2 51969 b.
Logic circuitry for each of the systems listed in a. above Operation bypass circuitry for the HP and LP Safety Injec-c.
tion Systems 3.
Electrical Power Systems a.
Single line diagrams of the onsite a-c systems b.
Singlo line diagrams of the 125 volt d-c Instrumentation and Control Power System and the 125 volt d-c Switchina Station Power System Schematic diagrams of the hydroelectric generators' control c.
aad starting circuits d.
Plan view of immediate offsite system, including switchyard associated breaker schematics Schematic diagrams of the control circuitry used for ESF c.
components, e.g.,11F Safety Injection Pump, motor operated and solenoid operated containment isolation valves.
Orig %1 signed by 0:an D. Parr V. A. Moore, Chie f Instrumentation and Power RT-877A Technology Branch DRL:I& FIB:RDF Division of Reactor Licensing cc:
C. Long A. Schwencer bec:
S. Levine Distribution:
R. DeYoung h ppl.
V. Moore DRL Reading O. Parr AD/RT Reading R. Pollard I&PT3 Reading DRL:1&PTB,....l..DRL: T arn nRL:I&ETB
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Form AEC.318 (Rev. 9-53) u.s. sowanutwimistims orrict. rme-o-214-s2s
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