ML14190A723
| ML14190A723 | |
| Person / Time | |
|---|---|
| Site: | Robinson  |
| Issue date: | 09/15/1983 |
| From: | Varga S Office of Nuclear Reactor Regulation |
| To: | Utley E Carolina Power & Light Co |
| References | |
| TASK-2.D.3, TASK-TM NUDOCS 8309270523 | |
| Download: ML14190A723 (3) | |
Text
DISTRIBUTION Docket No. 50-261 S 1 5 RCke Rfile Local PDR ORB#l reading Mr. E. E. Utley, Executive Vice President DEisenhut Power Supply and Engineering and Construction OELD Carolina Power and Light Company EJordan Post Office Box 1551 GRequa Raleigh, North Carolina 27602 CParrish NSIC
Dear Mr. Utley:
JTaylor ACRS, 10
SUBJECT:
TMI ITEM II.D.3.4, "CONTROL ROOM HABITABILITY",. H.B. ROBINSON 2, REQUEST FOR ADDITIONAL INFORMATION We have reviewed your submittal dated June 2, 1983 which reports significant improvements in the H. B. Robinson 2 control room habitability systems and commits to further improvements. Your submittal discusses these improvements only in general terms without quantification.
Therefore, we request the enclosed additional information to complete our review of these improvements within 45 days of receipt of this letter.
Sincerely, Steven A. Varga, Chief Operating Reactors Branch #1 Division of Licensing
Enclosure:
As stated cc w/enclosure:
See next page ORB#1:D OB 1:DL GRequa SVa ga 9/,r?83 9/1 /83 8309270523 830915 PDR ADOCK 05000261 P
Caarolina Power and LighL Com:any cc:
G. F. Trowbridge, Esquire Shaw, Pittman, Potts and Trowbridge 1800 M Street, N.W.
Washington, D. C. 20036 U. S. Nuclear Regulatory Commission Resident Inspector's Office H. B. Robinson Steam Electric Plant Route 5, Box 266-1A Hartsville, South Carolina 29550 James P. O'Reilly Regional Administrator - Region II U. S. Nuclear Regulatory Commission 101 Marietta Street -
Suite 3100 Atlanta, Georgia 30303
ENCLOSURE REQUEST FOR ADDITIONAL INFORMATION CONTROL ROOM HABITABILITY 1).
In order to confirm dose computations in the revised vendor report, NUS-3696, the following information is needed:
a) the free volume of the increased control room emergency zone b) schematic drawings showing the location of control and fire dampers, radiation monitors, filters and fans, with normal and emergency flows and estimated leakages for all ducts and volumes indicated.
2).
To protect the control room occupants against fuel handling and radioactive waste accidents, radiation monitors in the normal air intake should be capable of automatically'actuating.control room habitability systems. Describe such provisions or justify their absence.
3).
Specify the number of normal and emergency occupants of the control room, and the inVentory and location of'self-contained breathing, apparatus and bottled air available to them. These provisions are to protect occupants against smoke from'control room fires and other on-site emergencies as well as off-site toxic hazards.