ML20127G676
| ML20127G676 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 06/30/1975 |
| From: | Wachter L NORTHERN STATES POWER CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| IEB-75-04, IEB-75-4, NUDOCS 9211170405 | |
| Download: ML20127G676 (3) | |
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NORTHERN STATES POWER COMPANY MIN N E A PO4 ls. MlN N E S OTA 55408 June 30, 1975 Mr J G Keppler, Director Region III Of fice of Inspection & Enforcement U S Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 DJ.ar Mr Keppler:
MONIICELLO NUCLEAR GENERATING PLANT Docket No. 50-263 License No. DRP-22 The reviews requested in items 2, 3, and 4 of IE Bulletin 75-04A have been completed for the Monticello Nuclear Generating Plant.
The following information is submitted in accordance with Item 6 of the Bulletin.
Item 2 The existing policies and procedures relating to construction, maintenance and modification work performed during plant operation provide a high level of control. However, as a result of the review, the following additional l
policies and procedures will be implemented:
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1.
A work instruction will be issued by August 1,1975, defining l
responsibilities of assigned plant engineers with respect to modifications which are designed by offsite organizations, includ-ing specific responsibilities relating to control of installation work.
2.
Specific procedures for scaling and testing cabic spreading room penetrations will be issued by August 1,1975.
l 3.
A method will be established by October 1,1975 for indoctrination of offsite personnel performing work at the plant concerning pertinent administrative policies and procedures.
4.
By September 1,1975 the processes for work control will be revised l
to assure that specific consideration is given to:
a.
Combustible materials l
b.
Ignition sources l
c.
The need for safety monitoring personnel
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d.
Communication equipment l
e.
Fire prevention or fire suppression equipment l
f.
The need for inspection of the work area for safety hazards g.
Work differal if significant hazards are involved l
h.
Training and qualifications of personnel performing the work 9211170405 750630 l
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Mr J G Keppler June 30, 1975 4
Item 3 3.a.
Existing procedures and directives were found to provide assurance that the degree of safety significance of-affected cabling and piping is given adequate attention.
However, they do not specifically address the safety significance of " nearby" cabling ~and piping. Therefore, by September 1,1975 Administrative Control Directives pertaining to the Work Request Authorization process and to Installation and Maintenance Procedures will be revised to require consideration of potential effects on nearby equipment.
3.b. & c.
Existing policies and procedures were found to provide assurance that adequate attention is given to the use and control of combustible materials and use.and control of equipment that may be an ignition Group safety chairmen will be -required to review fire pre-source.
vention policies and practices at group safety meetings.
3.d.
There are no policies or procedures concerning assignment of personnel to construction, modification or maintenance activities during plant.
operation whose sole temporary responsibility is monitoring safe performance of the work. However, plant operators do make rounds of plant areas on a periodic basis.
The cable spreading room is provided with fire detection equipment which alarms in the control room.
As noted in the response to Item 2 above, the process for work control will be revised to assure that the need for safety monitoring personnel is-considered.
3.e.
Existing installed and portable communication equipment was found to i
be adequate. Also, as noted in the response to Item 2 above,'the processes for work control will be revised to assure that the need for comnunication equipment is considered.
i 3.f.
The unstalled equipment for fire detection and fire suppression was found to be quite extensive. A review of fire detection sensor and fire hose station locations to verify adequate coverage of all areas where occurrence of a fire would have high safety significance will-i be completed by August 1, 1975. As noted in the response to Item 2 above, the processes' for work control will be revised to assure that-consideration is given to fire prevention or fire suppression equip-ment.
I 3.g.
Existing policies and procedures were found to recognize that fires
-involving' electrical equipment may require water as the ultimate suppression medium. The NSP Safety Coordinator will be requested to provide retraining for fire teams on the use of fire fighting equipment, including the-use of water-on electrical fires.
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' Mr J G Keppler June 30, 1975 Item 4 Existing procedures. for shutdown and cooldown in case of loss of normal and preferred alternative systems were found to contain adequate information :to assist the operators. However, a diagram showing the preferred sequence of the use of all core cooling systems will be~ developed by August 1, 1975.
In addition, the procedure for shutdown from outside the control room will be reviewed and revised by September 1, 1975.
Yours very truly, L J W c ter, Vice President Power Production & System Operation IJW/ma cc:-A Giambusso G Charnoff-1 Minnesota Pollution Control-Agency Attn: J W Ferman i
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