ML20076H081
| ML20076H081 | |
| Person / Time | |
|---|---|
| Site: | Summer  |
| Issue date: | 08/26/1983 |
| From: | SOUTH CAROLINA ELECTRIC & GAS CO. |
| To: | |
| Shared Package | |
| ML20076H079 | List: |
| References | |
| NUDOCS 8309010303 | |
| Download: ML20076H081 (3) | |
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PLANT SYSTEMS iiURVEILLANCE RECJIREMENTS (Continued)
- 1. 'erifying that the cleanup system satisfies the in place testing acceptance criteria and uses the test procedures of Regulatory Positions C.5.a C.5.c and C.5.d of Regulatory Guide 1.52, ,
Revision 2, March 1978, and the system flow rate is.26-990 cfm +,10%. l
212't o O'- 2. Verifying, within 31 days after removal, that a laboratory analysis of a representative caroon sample obtained in accord-ance with Regulal.ory Position C.6.b of Regulatory Guide 1.52, Revision 2, March 1978, meets the laboratory testing criteria of Regulatory Position C.6.a of Regulatory Guide.l.52, Revision 2, l March 1978. (
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- 3. Verifying a system flow rate of 20,000 cfm + 10% during system cperation when tested in accordance with ANSI N510-1975.
d After every 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of charcoal adsorber operation by verifying !
I withir, 31 days after removal, that a laboratory analysis of a l representative carbon sample obtained in accordance with Regulatory Position C.6.b of Regulatory Guide 1.52, Revisicn 2, March 1978, I meets the laboratory testing criteria of Regulatory Position C.6.a of Regulatory Guide 1.52, Revision 2, March 1978.
- e. At least once per 18 months by:
O 1. Verifying :..iat the pressure drop across the combined HEPA and L. roughing filters and charcoal adsorber banks is less than 6 inches Water Gauge while operating the system at a flow rate of BC+rG06 cfm + 10%.
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- 2. Verifying that on a simulated SI or high radiation test signal, j the system automatically switches into a recirculation mode of operation with flow through the HEPA filters and c,harcoal adsorber banks.
- 3. Verifying that on a simulated SI or high radiation test signal i the system starts the normal and emergency air handling systems which pressurize the control room to a positive pressure of greater than or equal to 1/8 inch W.G. relative to the outside atmosphere and maintains the 1/8 inch W.G. positive pressure with a maximum of 1000 cfm of outside air during system operation.
- f. After each complete or partial replacement of a HEPA filter bank by verifying that the HEPA filter banks remove greater than or equal to 99.95% of the DOP when they are tested in place in accordance with ANSI N510-1975 while operating the system at a flow rate of 40,000 cfm + 10%.
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- g. After each complete or partial replacement of a charcoal adsorber (
bank by verifying that the charcoal adsorbers remove greater than or '
equal to 99.95% of a halogensted hydrocarbon refrigerant test gas when they are tested in place'in accordance with ANSI N510-1975 while operating the system at a flow rate of 20,000 cfm + 10%.
l 2spo SUMMER - UNIT 1 3/4 7-15 8309010303 830826 PDR ADOCK 05000395 P PDR
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s . . . Mr. Harold R. Denton Technical Specification 3.7.6 Change Request August 26, 1963 ATTACHMENT II 10 CFR 50.92 SIGNIFICANT HAZARDS CONSIDERATION
- 1. Would the proposed amendment involve a significant ir. crease in the probability or consequences of an accident previously evaluated?
ANSWER: No. The proposed amendment will make the Technical Specifications agree with the existing design and analysis of the Control Room Air Handling System per Amendment 33 in the Final Safety Analysis Report.
- 2. Would the proposed amendment create the possibility of a new kind of accident from any accident previously evaluated?
ANSWER: No. The proposed amendment will make the Technical Specifications consistent with the accident analysis as presently addressed per Amendment 33 in the Final Safety Analysis Report.
- 3. Would the proposed amendment involve a significant reduction in the margin of safety?
ANSWER: No. The proposed amendment will update Technical Specification surveillances to reflect existing system flow characteristics per Amendment 33 of the Final Safety Analysis Report. Therefore, there will be no impact on the margin of safety.}}