ML18086A839

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Forwards Functional Description of Upgraded Facility Meteorological Monitoring Sys,In Fulfillment of NUREG-0654 & NUREG-0737.Time Frame of Submittal Is Consistent w/NUREG-0696 Requirements
ML18086A839
Person / Time
Site: Salem  PSEG icon.png
Issue date: 07/30/1981
From: Mittl R
Public Service Enterprise Group
To: Miraglia F
Office of Nuclear Reactor Regulation
References
RTR-NUREG-0654, RTR-NUREG-0696, RTR-NUREG-0737, RTR-NUREG-654, RTR-NUREG-696, RTR-NUREG-737 NUDOCS 8108060249
Download: ML18086A839 (7)
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Text

e 0 PS~G Public Service Electric and Gas Company 80 Park Plaza, T16D Newark, N.J. 07101 201/430-8217 Robert L. Mittl General Manager - Licensing and Environment July 30, 1981 Director of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, D.C.

20555 Attention:

Mr. Frank J. Miraglia, Chief Licensing Branch 3 Division of Licensing Gentlemen:

FUNCTIONAL DESCRIPTION UPGRADED METEOROLOGICAL MONITORING SYSTEM NO. 1 AND 2 UNITS SALEM NUCLEAR GENERATING STATION DOCKET NOS. 50-272 AND 50-311 Please find attached the functional description of the Up-graded Salem Meteorological Monitoring System.

This func-tional description is provided to fulfill the requirements of operating license DPR-75, Item 24.d.ii.

This functional description also fulfills the requirements of NUREG-0654 "Criteria for Preparation and Evaluation of Radiological Emergency Response Plans and Preparedness in Support of Nuclear Power Plants" and NUREG-0737 "Clarification of TMI Action Plan Requirements."

This functional description is being submitted in a time frame consistent with a description of the Salem Generating Station emergency facilities requirements of NUREG-0696 "Functional Criteria For Emergency Response Facilities."

Should you have any questions in this regard, do not hesi-tate to contact us.

Attachment CC:

Mr. Lief Norrholm Senior Resident Inspector n

CF05 1 8108060249 810730 -*People

, PDR ADOCK 05000272 F

PDR Very truly yours,

FUNCTIONAL DESCRIPTION SALEM METEOROLOGICAL MONITORING SYSTEM UPGRADE ARTIFI<;:IAL, ISLAND METEO:l;lOLOGICA.L MONITORING PROGRAM I

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Existing System The current meteorological monitoring system was in-stall~d i:l:t.. Artificial J:slan(l in December, 1975 with the final' turnover and official data collection estab-1 ishe.<l inl Apr-':f.l, i97 6 *~

  • Pi;esently, *the tower consists of wiriq speeq cirid 'directicm' measure¢! at, tJ:iree ' ( 3)

' 'eleva ti9n's.;. ( 300' ft. I. 150' ft.~' an,d' 33 ft n.

Delta

.tempeJ:Tatu.res *are r~cordea* between *th~ ~()Q *.,.:;, 33. ft.

leve.J:..:and 150'.,... 33 'f*t~ level.. In aq(l-it,190.,. 'bp.rqmetric p:i;-essure, * * ;r~infall, dew* point and ambient:* t.erpp~rc:tt.ure

.are recortled at the tower.

A. oescripti.on :of *the*"

existing analog ~ystem with record~rs l~ i~cluded ~s Figure 1., The wind speed and direction at-two levels as well as Del ta T *information* is reJ~yed to the Salem*

Contr.ol Room.

1 * *

~1' II.

Planned Up~~ade A.

P~imary Tower A data logging device is to be installed in the meteorological tower support building (met shack) at the base of the tower.

Presently, an instrument cabinet consisting of signal conditioning cards, power supply card, voltage inverter, strip chart recorders, tempera-ture aspirator monitors, and lightning protection d~vices houses the support instrumentation.

The met shack is climate controlled thus the equipment does not see temperature extremes.

Backup power to the meteorological instrumentation is supplied via battery backup and an inverter.

The power back-up system supplies ample power for a minimum of 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> service.

The existing in-strumentation is all Climet, Inc. supplied equip-ment with exception of the dew point monitoring system which is an EG&G unit.

System design out-put is zero to one volt.

It is intended to uti-lize this equipment in connection with the system upgrade.

Upgrade at the tower will include a preliminary data logging device which will digitize, convert input signals to engineering units, average and store data for short periods (2-12 hours) of data.

Be - Backup Tower Requirement

c.

It is proposed that the backup tower requirements be provided by means of a telephone pole at least 10 mete~s in height installed close to the primary tower~

The meteorological parameters which will b~ measured off of the ielephone pole will be wind

~peed'. and_ direction._ The telephone pole will be s:j. ted. a.tong the acc_ess road to the primary towel;",

but O'rlts~qe tpe fall zone should 'the ~xisting t:o,we~

1 f.~iJ (see 'Figure, 2).

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. i Signal_ transmission. will be. through* ex_i.sting cables buri~d along the_ access ro~d.

Enough ad-di'~i<<'.:mal** ~ignc~l -.lin'es. are -avai3:.'c;tbl~ in. th~' 'exis,t- '

ing in~trµ1nent cable:t_o* accept. the *~dditional '* *

. channeis.

'_'.!'he. upgrade will requ-ire.e.x:',ca~-~--t!n9 _..

G~_bles aQ9* sp;I.icing these* _ca~_l~s...

Data Acqu1sition

.Tpe data acquisition system will consist of a second data logging device similar to the prelimi-nary device described in Section IIA.

This device will accept the raw data from the backup tower and be available ~s a backup to the data logging de-vice located at the meteorological tower.

The in~plant equipment required by this upgrade will be located in the Salem TSC or Salem Unit l Co~trol Room computer support area.

D.

Remote Interrogation In addition to the backup data acquisition device, a'small mini-computer will be installed.

The function of the mini-computer will be to interro-gate the data loggers and format the data as re-quired.

The mini-computer will also be capable of providing a simple meteorological dispersion model consistent with presently defined A Model.

This device will also be capable of storing several days of 15 minute averaged _data.

Provisions for remote interrogation of the mini-computer are to be provided via a communications device.

This device will be able to provide si-multaneous remote interrogation from up to six (6) telephone ports.

    • *'J The system will be designed for RS 232C interface and ~00/1200 baud rate.

Remote output will be in the form prescribed in Regulatory Guide 1.23, RE:!V* l.

E.

Meteorological Dispersion Modeling and Dose Ass~ssment It is proposed that for the near term, extended meteorological. dispersion modeling _and dose as-sessment be done dn the corporate headquarters computer~

Due to corporate security requirements the interim extended modeling output will be

. available* only at.the _Salem TSC and EOF.

Public

.. Service. is also.exploring off site consultant sµp-ported dispersion m.odeling a.,nd *dose 4.ss~ssment v~a dedicated telephqne lines to* the'* consultant's*

computer.

  • F.

Reliabilitr Goal The current prescribed reliability goal of.99 system available should be obtained by virtue of tpe battery backup system of the primary meteoro-logical monitoring system and the configuring of dual data logging acquisition system.

G.

Additional Comments EGS 1/3 The described concept will allow for versatility and future expansion as well as a link to nuclear data link (NDL) or other computers.

The final concept for extended dispersion modeling will be through existing or future station computers, or off site support by means of a dedicated telephone link to a consultants computer system.

The final decision with respect to where extended modeling will be provided will be based on additional guid-ance p~qvided by the NRC.

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