ML19319E115
| ML19319E115 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 08/30/1972 |
| From: | Deyoung R US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Davis E SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| References | |
| NUDOCS 8003310623 | |
| Download: ML19319E115 (2) | |
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D ~Q[M DISTRI"** TION yy AEC PL.
PWR XBranch Chiefs O "O ^
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Decket No. 50-312 AUG 3 0197?.
RSboyd RCDeYoung DSkovholt FSchroeder RRMaccary Mr. E. K. De71a, General Counsel DKnuth 9,
Seeramento Mumie1pel Utility Distrist RTedesco y_-
4801 3 Street, P. O. Ben 1583s HDenton Seesemente, Califersia 95813
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,sm Dear Mr. Davis A
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On the basis of ear esatinalag review of the Ffmal Safety Amelysis Report
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.for the Banske Sees Buelear Gemeesting Staties, we find that we need
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vequired is listed in the emeleeure.
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.In order to mat =tain ser lisenstas review sahedale we will need a sempletely adegeste reopease by September 1s, 1972. Fleese infera es within seven (7) j days after receipt of this letter of your eenfireettaa ef.the schedule er the date you will be able to meet. If you esamet aset our spesified date er if your reply is r.et fully respomeive to our requests it is highly likely that the overall schedule for completing the licensing review for this projaat will have to be entended. Sines reassignment of the staff's efforte.5 will seguire sempletten of the nor seeigement prior te seterming to t Projest, the entent of estaneise will meet ithely he sreeser them the f.
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REQUEST FOR ADDITIONAL INFORMATION SACRAMENTO FUNICIPAL UTILITY DISTRICT RANCHO SECO NUCLEAR POWER PLANT DOCKET NO. 50-312 1
5.0 -DESIGN BASES - STRUCTURES AND EQUIPMENT
' 5.79 ' Discuss the maximum tornadic wind conditions that each exposed Class I (Seismic) structure and component can withstand. Provide' a discussion of.the effects of the tornado generated missiles, under the conditions mentioned above, on plant safety. Provide infornation q
to show that those structures, other than Class 1 (Seismic) structures, will not as a result of failure, affect the ability of other Class 1 4
(Seismic) structures or systems to perform their. intended design functions.. Also discuss loss of water from the spray ponds due to tornado vacuum or winds.
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- 9.0-AUXILIARY AND EMERGENCY SYSTEMS t
4 9.'45 Forcall vessels that-contain gas under pressure (such as nitrogen, chlorine, hydrogen, oxygen, air and CO2 tanks)'in the proximity of equipment. essential for safe and maintained shutdosu of the plant, provide the following:
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'(a) the design and operating pressure, (b) the maximum pressure of the gas supply,
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(c) the location of the vessel, (d) the total energy released if the vessel should rupture,
-(e) the possibility of the vessel.or its parts to act as a missile,
-(f) the protective measures taken to prevent the loss of function of
- adjacent equipment essential-for a safe and maintained reactor
- shutdown,
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(g) for.each vessel identify, discuss, and provide the basis for any exception or deviation'as compared to applicable portions of the 1 Occupational Safety and Health Administration OSHA 20 CFR 1910 Sub-part H - Hazardous Material Sections 1910.101 Compressed Gases, 4
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