ML20010A286
| ML20010A286 | |
| Person / Time | |
|---|---|
| Site: | Fort Saint Vrain  |
| Issue date: | 07/06/1981 |
| From: | Lee O PUBLIC SERVICE CO. OF COLORADO |
| To: | Seyfrit K NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| References | |
| P-81182, NUDOCS 8108110278 | |
| Download: ML20010A286 (4) | |
Text
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PUBLIC SERVICE COMPANY OF COLORADO DENVER, COLORADO 80201 p.
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BOX 840 OSCAR R. LEE July 6, 1981 vice entsIDENT Fort St. Vrain Unit No. 1 P-81182
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Mr. Karl V. Seyfrit, Director g% 8 Nuclear Regulatory Commission C
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N Region IV 2
Office of Inspection and Enforcement 6-611 Ryan Plaza Drive 5
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q Arlington, Texas 76012
Dear Mr. Seyfrit:
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This letter confirms the telephone conversations on July 3rd and 6th, 1981 between Mr. C.H. Hackney of your staff and Mr. H.W. Hillyard of the Fort St.
Vrain staff, relative to your ENS Specifications and Upgrade letter dated June 19, 1981.
The information given by Hillyard to Hackney was as follows:
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Support Request (NRC):
" Timely access for telephone company representatives to make a site survey and subsequently for installing station packages for the upgrade."
Response (PSC):
The only delay would be to complete necessary security access requirements.
Several local Mountain Bell repairmen are badged for the necessay areas and would receive immediate unescorted access during regular working hours, 7:30 a.m.
to 4:30 p.m.,
Monday through Friday.
Access for other work hours can be arranged by advance notice to the Lead Security Officer, (303).
785-2226, ext. 298.
Unbadged Mountain Bell personnel can be admitted as escorted visitors; badged Mountain Bell personnel may act as escorts.
'We request 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> advance notification of any personnel for whom we are requested to supply an escort.
The request may be directed to the Lead Security Officer.
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Support Request:
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" Power for the station packages."
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Response
Power (120V AC 60 Hz), can be supplied from instrument bus no.
3.
Power is interruptible in the event of a loss of all outside
- power, but normally returns, supplied by emergency. diesel generator backup after a delay of approximately one minute.
The emergency diesel generator supply is provided to carry the safe j
shutdown loads as described in our Fir:al Safety Analysis Report, Sections 8.2.3.3 and 8.2.3.5.
Support Request:
" Adequate cable facilities (cable pairs)."
Response
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Present facilities are not adequate to implement the proposed' j.
upgrade. A cable pair deficiency uists between the plant and the local Mountain Bell switch facility in Platteville, Colorado.
l Mountain Bell is currently planning' additional facilities estimated to be in service about July, 1982.
Support Request:
" Telecommunications planning personnel to serve as primary conta:ts during the modification."
Response
Direct inquiries related to the on site system to Mr. H.W.
l Hillyard, in care of Public Service Company, 16805 WCR 19 1/2, I
Platteville, Colorado 80651.
Telephone (303) 785-2223 ext.
202.
l.
Direct inquiries related to Mountain Bell equipment off site to Mr. George Douglas, in care of Mountain Bell, P.O. Box 707, Room-610, 999 18th Street, Denver 80201. Telephone (303) 624-1932.
Support Requested:
l "A
listing of each existing and proposed ENS station location based on generic name (e.g.
Control Room, TSC,
- E0F, etc.),
building name and address, room number (NOTE:
Stations not j
identified by the NRC as required may be removed or not installed)"
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Response
ENS Station Address E= Existing Location P= Proposed Control Room Plant; 16805 WCR 19 1/2, E
Platteville, C0 Shift Plant; 16805 WCR 19 1/2, E
Supervisors Platteville, C0 Office Tempora ry Plant; 16805 WCR 19 1/2, E*
TSC Platteville, CO Permanent Technical Support Bldg; 16805 E*
TSC WCR 19 1/2, Platteville, C0 RIS Site; 16805 WCR 19 1/2, E
Platteville, C0 EOF PSC Business Office, 323 P
Denver Ave.
Ft. Lupton, CO
- " Half tapped" to share one line - ENS Station in temporary center will eventually be removed.
Support Request:
" Indication of any planned station moves or installations to be completed at the time of the ENS modification."
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Response
4 It is unlikely that either of,the changes indicated above.
would coincide with your planned upgrade installation.
These are the only modifications or moves anticipated at l
this time.
Support Request:
" Indication of any temporary ENS station locations and the expected date and building / room number for relocation to j
permanent locations."
l
Response
Other than tho;e described above, we have no plans to add l
any temporary or Jermanent ENS Stations.
l-Support Request:
l
" Indication of anticipated problems in meeting a system upgrade start date of approximately August 1, 1981."
l
Response
Mountain Bell facilities will not have been expanded by the l
proposed-August 1, 1981 date.
i If you require additional explanation or support, please contact j
-telecommunications planning personnel identified above.
l Sincerely Yours,
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'O.R. Lee Vice President j
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