ML20091F216
| ML20091F216 | |
| Person / Time | |
|---|---|
| Site: | Midland |
| Issue date: | 10/13/1983 |
| From: | Hawkins F NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| Shared Package | |
| ML17198A223 | List:
|
| References | |
| CON-BOX-06, CON-BOX-6, FOIA-84-96 NUDOCS 8406020069 | |
| Download: ML20091F216 (6) | |
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UNITEo STATES p
NUCLEAR REGULATORY COMMISSION
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7S9 RooSEVE LT Ro Ao GLEN ELLYN, ILLINots 60137 l
OCT 131983 t
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MEMORANDUM FOR: Region III Files FROM:
F. C. Hawkins, Reactor ector, Division or gineering l
SUBJECT:
MIDLAND HVAC ALLE NS (INDIVIDUAL CC)
On September 26, 1983, a CAP representat wrballv rmed me that a former Bechtel employee at the Midlead site had concerns regarding Bechtel's i
interface in the design and construction of the Midland HVAC system. GAP i
representatives later referred me to Mrs. B. Stamiris; stating that she personally knew the indisidual and could possibly persuade him to come j
forth with his concerns. During the ensuing conversations, Mrs. Stamiris i
stated that the individual would speak to the NRC with the following con-ditions:
(1) no signed statement of any type would be provided, (2) confidentiality was to be strictly maintained, (3) the concerns were not to be treated as formal allegations and (4) information provided by the individual, of technical substance, was to be incorporated into the NRC's engoing HVAC inspection effort at Midland.
Subsequently, on October 5, 1983, NRR representatives (D. Hood, D. Terao, W. LeFave) and I met with the individual to discuss his specific concerns.
The issues raised by the individual concerned (1) the improper use of 5
onsite de gn change methods, (2) incorrect installation of surface mounted f
plates, 3)j an extensive proposed Control Room HVAC redesign, (4) excessive blowhole
.n the Control Room ductwork and (5) Bechtel's use of nondis-closure sta' ements.
The individ 1 recounted examples of each concern and referred names of fellow work a to us who could corroborate his statements and provide the necessary d tails. I interviewed those individuals at the site on October l
6, 1983.
one of the individuals interviewed could confirm the validity of Conce No.'s (2) or (4); therefore, no further action is planned for these items.
Th, results of the interviews and the proposed NRC action to address each item of concern was discussed with Mrs. Stamiris on October 12, 1983. During that conversation, I again requested that she ask Individual CC to provide copy of the nondisclosure statement referred to in Concerta No. (5).
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..f Region III Files OCT 13 1983 1i She concurred with the proposed actions and stated that she would actively l
pursue obtaining a copy of the disclosure statement. Pending receipt of a
the statement, no further action on our part is planned with regard to Concern No. (5).
i Per the agreement with Mrs. Stamiris and Individual CC, the results of our inspection of Concern No.s (1) and (3) will not be specifically documented and any actions taken by Region III will be accomplished as part of the l
ongoing special technical inspection documented in Reports No. 50-329/83-08; 50-330/83-08.
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F. C. Hawkins Keactor Inspector cc:
G. Roy J. Harrison W. Key R. Gardner W. Little L. Spessard E. Pawlik h
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. w mwas P o aos icoo. A,e Areer.w asios July 14, 1983 M A44 e e.g3 i
OC B14-17400 d4O Cossumers Feuer Company i
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Jackson, Michigma 49201 O'
i Attentioet Mr. 3.T. Perry Project Engineering Manager, l
Mer.hssical and Citil Midised Plant Unite 1 and 2
Subject:
Cosamere Power Company l
Rechtel Job 7220 I
WITING BOTES NO. 1884 T
f Meeting Notes No.1844 regarding the mais control reos ITAC systenBechtel sn cooling capacity are strached.
perseed to resolve the seeling capacity problem in the main centrol rees.
N If you have any questions, please contact T.C. Ballweg at (313) 994-7611.
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Very truly yours.
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E.M. Eughes l
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Attachments Meeting Notee Ee. 1844 r
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Bechtel Associates Professional Corporation f
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. =avea 777 East Emochewe' Portamey asw assoma P.0, tes 1000. Ann Ateer. Mengen de10e MEETING NOTES ED. 1884 MIDLAND PLANT UNITS 1 AND 2 i
I CONSUMERS FOUER COMPANT BECETEL Jos 7220
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DATE:
June 2, 1983 j
FLACE:
Midland Jobeite-Outage Building i
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SUBJECT:
Mais Control Room NAC System Cooling Capacity j
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ATTENDEES:
3echtel Consumero N
R. Asia, Project Engineering R.J. Boultes T.C. Ballweg Project Engineertag T. Postleunit
- 5. Breslavsky, Project Engineering
- 1. Rice S. Creisenes, Resident Eastamering i
l F. 14ader, Project Eastenering D.F. Lewis, Project Engineering i
T. Maier, Subcontracts T. Supplee, Resident Eastseering 4
FURPOSE:
To define the problem with the meia control room heettag, ventilating, and conditiosias (MAC) system coeltag cc capeetty, esplata the background, esplore options for I
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resolution, and discuss the construction /echedule impact l
and licensing esposures of each of the options.
g F113CIPAL ACEEEBENTS:
1.
The problem was defined and background informaties was presented to esplata how and why the meia control reen cooling load has sacreased appretimately 50 pereest since the WAC etsipment oss purchased.
2.
Four options (1,15, 2, and 3, see.attaebed views) were disenesed which range free Opties 1:
lacremains control roen MAC system eeeling especity by j
j increasing chilled water flow through the aucting NAC equipment and revistag design beste and floal safety analyste report (FSAR) cammitments to be consistent with 4
l the espected higher control room and esagineered safety features (ESP) equipment room temperatures with enly one i
i I?AC systes trois operettag.
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'l Opties 13: same as Opties 1, escept this allows the opties for operation of both control team ITAC system tratas in parallel during sermal plant operaties but only see train fellowing a design haste accident. [Vriter's Bete:
I, Subsequest to the discussies, evaluation of main control f
resa (McE) A/B fan carves fadicates this mode of j
operaties may be mestable. New fans may be required to l
make this option vishle. This concers was disensood is the management meeting on June 9,1983, la addittoa to a fellow-up discussion between T. Ballweg (Bechtel) and T. Postlemait (Comeumers) en June 7,1983.)
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i Option 2:
Same as Opties 1, encept modify the return air ductwork l
oystem by lastalling a pleaue emelosure behind the main malk through control panels to improve air distribution l
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4 and lower the sapected reen temperatures in the normally 1
seespied areas of the semples.
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Opties 3:
Malatain present design basis and FSAR comaltaesta hys a.
lastalling new ESF chillers for the mata control room i
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lasta11 tag new central room air headling unita Doctwork modificatione necessary due to increased air e.
fles rates O
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Potential diesel feel oil storage tank capacity modificatione l
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Service water ese11ag system modifications
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3.
The espected esatrol room and REF ogelyment room temperstares during l
moraal plant operaties and poetaccident for each ri the four options were discussed with emphasis en the percentage of the time these j
l temperatures cos1d be espected. It use seted that oncept for
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Option 3, there are ao safety facters for makasus heat loade la the mata centrol team, nor any alleensee,for futura additiene to Mct.
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4.
The espected essetracties/ schedule impact and licensing espeente for each of the fear options una disenssed. leeses mostlemed were the l
I potential of reopeatag the IRC Safety Evelmaties Emport, hunas factere seasiderations, and impact as mais control doen during I
preoperaties etartup testing.
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3.
Bechtel recommended that optien la he paramed to resolve the eeeling capacity prehlen with the mais control roon ETAC system.
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Meettag Netse No. 1844 Page 3 i
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ACTION IT ES:
Censumers Power Campany to to determine ubich option (s) should be l
developed further and will advise Bechtel by June 13. 1983.
b Frepared by:
P. Leader 1
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Mechanical Engineer i
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leviewed by j
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Mechanical Group Leader
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Approved by: _C - - { f $ h [_-
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T.G. Ballweg Mechanical Group Supervisor i
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