ML20080D612

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Trip Rept of Caseload Forecast Panel Site Visit Re Const Status Review & Projected Fuel Load Date.Related Info Encl
ML20080D612
Person / Time
Site: LaSalle, 05000000, Zimmer
Issue date: 08/09/1978
From: Bournia A, Peltier I
Office of Nuclear Reactor Regulation
To:
Office of Nuclear Reactor Regulation
Shared Package
ML082380886 List: ... further results
References
FOIA-83-498 NUDOCS 8402090175
Download: ML20080D612 (24)
v • d • e


Text

.

8 UNITED STATES p [ sk,0f,.j NUCLEAR REGULATORY COMMISSION i

WASHINGTON. D. C 20656

&st s,

e Aus e s W Docket Nos. 50-358 )

50-373/374 APPLICANTS:

Cincinnati Gas & Electric Coinpany Connonwealth Edison Company FACILITIES:

limer 14uclear Power Station La Salle County Station, Unit fios.16 2

SUBJECT:

FURECAST PANEL SITE VISIT

Background

The f4RC Forecast Panel made site visits to the La Salle and Zinvaer Plants in order to review the status of construction and readiness for fuel loading and to judge which of the two plants should be the lead plant in the staff's Mark 11 containment review.

A list of the meeting attendees for each respective meeting is enclosed.

Sunmary For each respective site visit (the La Salle site was visited first), the NRC group ws given a brief description of the applicant's field organization dnd then a tour of tne plant was conductea to observe the status of the physical construction. From our observation, the Zinner plant was obviously in an advanced stage of construction with nearly all major components and materials delivered onsite.

It was the consensus of the panel that Zintner's construction was weil ahead of La Salle and from the construction viewpoint Ziimier is the lead plant.

In subsequent discussions with Cinncinatt Gas & Electric Company and his contractors regarding their scheduling and scheduling methods, procurement status etc., it appeared reasonable to the panel that the Zinmer plant physically could be ready to load fuel by July 1979.

For the life of the construction todate, Cincinnati Gas a Electric had maintained a 1.39% per montn average completion rate and only needed less than a 1.36% rate to finish construction by July 1979. This is based on a nonnal 40 hour4.62963e-4 days <br />0.0111 hours <br />6.613757e-5 weeks <br />1.522e-5 months <br /> week effort and a higher rate has been achieved in the past and can be achieved in the future if necessary.

Some of the pertinent engineering status for Lininer are attached.

8402090175 831031 PDR FOIA ROSENBA83-498 PDR

l AUG 0 91978

- However, in.the case of La Salle, Commonwealth Edison had maintained a 1.5% per month average and needs a 3.5% per month rate in order to finish construction by Marcn 1979, their estimated fuel load date.

The Forecast Panel indicated that this was a very ambitious rate to increase and that Commonwealth Edison was very optimistic.

For the La Salle Station, the following were the engineering status coapletion for Unit I based on estimated man-hours:

Mechanical 91%

Structural 96%

Electrical 90%

Total 92%

As a result of the La Salle. site visit, we indicated that our predictions for fuel load date was approximstely six to nine months later than the March 1979 maintained by Comm;nwealth Edison.

During the discussion of preoperational testing the panel expressed its concern that the 10 uonths (Zimaer) and 12 months (La Salle) allowed by the applicants for preoperational testing is not sufficient based or.

experience and projections at other plants. However, the panel told Cincinnati Gas & Electric that they would give them the benefit of the doubt in order not to impact his review schedule since he has the lead plant and would review the preop-testing status sometine after the first of the year and change their forecast at that time if necessary.

In the meantime the panel will hold to the previous July 1979 fuel load forecast.

For La Salle, the panel indicated a late 1979 date for fuel load date because of lateness of their construction.

In addition, it was also stated to Commonwealth Edison that we would be reviewing their status after the first of the year to update the panel's projected fuel load date, if necessary.

3.b.($ 3 l uA.-Peltier, Project Manager Light Water Reactors Branch No. 1 Division of Project Management e

f 4% \\ $t (

  • A. Bournia, Project Manager Light Water Reactors Branch No. 3 Division of Project Management

Enclosures:

1.

La Salle Attendance List 2.

Zinner Attendance List 3.

Zimmer Engineering Status i

cc w/ enclosures:

l See next page l

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s#o UNITED STATES E h."

[g NUCLEAR REGULATORY COMMISSION n

.E WASHINGTON, D. C. 20555

. %; "J = /

JUil 21 1983 Docket No.:

50-352 APPLICANT:

Philadelphia Electric Company (PECO)

FACILITY:

Limerick Generating Station

SUBJECT:

SUMMARY

OF CASELOAD FORECAST PANEL (CFP) MEETINGS AND FACILITY TOUR AT LIMERICK APRIL 13 - 15, 1983

SUMMARY

On April 13 - 15, 1983, the NRC Caseload Forecast Panel (CFP), consisting of William Lovelace (RM/DMI), Mary Haughey (Licensing Project manager) and Suresh Chaudhary (Sr. Resident Inspector), met with the applicant and toured the Limerick facility and site. The purpose of these meetings and tour was to review construction progress and collect data for the purpose of assisting the NRC staff in estimating its resource needs for licensing activities for Limerick. The visit was organized in three parts:

1.

On April 13, a meeting was held with the applicant at the Sheraton, Valley Forge, Pennsylvania, to review design and engineering, procurement, and construction progress on Limerick.

2.

On April 14, a tour of the Limerick facility and site was made to observe the status of construction. The CFP also held brief discussions with the applicant on April 14 concerning questions raised during the meeting and tour.

3.

On April 15 a second meeting was held with the applicant at the Sheraton, Valley Forge, Pennsylvania, to discuss questions raised during the April 13 meeting and April 14 tour. At the conclusion of this meeting.

the CFP stated that the information provided by the applicant and from the facility tour would be evaluated by the NRC staff. The applicant was further informed that if the evaluatien indicated a difference of more than six months between the CFP e;timated construction completion date and the applicant's, a meeting would be requested between NRC management and PECO management.

Meeting and Facility Tour Details Wednesday, April 13, 1983 at the Sheraton, Valley Forge, PA The Caseload Forecast Panel (CFP) met with the applicant at the Sheraton Hotel, Valley Forge, PA. A list of attendees at the meetings through Friday, April 15, is included as Attachment 1.

A copy of the meeting agenda is included as Attachment 2.

,v a W if O ')(o [

S*

j b

i In a letter to D. Eisenhut on Decemb.er 27, 1982, the applicant had indicated a revised fuel load date of August,1984, two months earlier than the previous fuel load date of October, 1984. This revised fuel load date was discussed at the opening of the meeting.

The applicant stated the Limerick Generating Station Unit 1 was 85% complete at the end of March 1983. A list of major milestones and recent schedule accomplishments, as presented by the applicant, are included as Attachments 3 and 4.

Engineering design for Limerick 1 is sche'duled to be etcentially complete (98% complete) in 1983. At the time of the CFP visit engineering design was estimated by the applicant to be 92% complete. For a list of engineering design items expected to extend beyond 1983, see Attachment 5.

As a goal, all engineering is to be completed six months prior to sc'heduled system turnover. Weekly conference calls are held to correct problems when this goal is not met.

The following items were identified as major engineering items requiring additional engineering work.

a.

ATWS-3A Design Change b.

Appendix R Design Implementation c.

NSSS Loads Adequacy Evaluation d.

High Energy Line Break (HELB) e.

Moderate Energy Line Breaks (MELB) f.

Downcomer Capping / Vacuum Breaker Valves 9

Large Pipe Supports h.

Small Pipe Supports (Nuclear Class I) 1.

Reactor Coolant Pressure Boundary Leak Detection

j. Control Room Panel Modifications k.

Equipment Qualification The status of bulk comodities is indicated in Attachment 6.

Most of the major equipment has been delivered with the exception of the pieces listed below:

Item Expected Delivery Vibration and loose Parts Monitoring Systems 5/83 Radiation and Meteorological Monitoring Systems 12/83 Safety Relief Valve Position Indicating System 5/83 Toxic Chemical Detection System 12/83 Suppression Pool Temperature Monitoring System 8/83 l

e

.p All major purchase orders for Limerick i have been awarded. A limited number

~ of small items such as small valves, monitoring equipment and pipe clamps have outstanding purchase orders which are on the critical path to system turnover.

No procurement items were identified as jeopardizing cold hydro or fuel load.

The critical path to fuel load was identified as the completion of the Nuclear Steam Supply System in support of the Reactor Pressuce Vessel Hydrostatic Test scheduled for September 1983. Other critical path items identified were:

1.

Hydrostatic testing 2.

Completion of Reactor Pressure Vessel Internals 3.

Control rod drive system 4.

Bulk containment work 5.

Control room panel modifications 6.

Completion of systems for turnover to startup A detailed schedule of subsystem turnover including release date and scheduled and actual turnover dates was made available to the CFP during the visit.

System turnover at the time of the CFP visit was scheduled to be 24.8% complete but was actually 19.5% complete.

(The percentage of system turnover was based on a weighted percentage. 19.5% complete corresponded to an actual 32% of the systems on a numerical basis.)

Review and approval of preoperational test procedures was behind schedule at the time of the CFP vivist. An improvement program is underway and recovery was expected by July 1983.

Thirty-nine significant deficiencies have been reported over an eight year period for Limerick. Of these, twenty-nine have been resolved. Of the remaining ten items, the applicant stated that none are believed to have significant work remaining.

Thursday, April 14, 1983 at Limerick Site The CFP toured the Limerick site on Thursday to observe the status of construction.

Among the areas observed were the containment building (including the drywell and suppression pool, and the reactor vessel), the turbine building, the control room, the radwas.te building, the diesel generator bailding and the refueling area.

A brief meeting was held to discuss additional information necessary for the NRC staff to make its evaluation of the Limerick Unit i fuel load date.

l l

Friday, April 15, 1983 at the Sheraton, Valley Forge, PA l

A number of concerns were discussed in further detail on Friday.. These concerns were in the following areas:

e

Q.

d' 4-1.

New Loads Evaluation The staff had requested additional information on the status and implementation of the Mark II hyrodynamic lcads. A preliminary assessment has been performed and final modifications are being completed.

A final design verification will be performed by General Electric on the as-built configuration following completion of the final mod-ifications. No significant problems are expected to be found in the final round of confirmatory analysis.

2.

Appendix R, Fire Protection There were 34 open itemc in the fire protection area that had been identifjed by the NRC staff to the applicant prior to the CFP.

At the time of the CFP visit, the applicant expected additional information would need to be provided to the NRC staff in 8 to 10 a rear,.

Installation of the fire protection system had already begun.

Installation of the sprinkler system was nearly complete. Penetration sealing was in progress. A major portion of raceway encapsulation-was remaining.

3. ' Security Equipment deliveries for the final security system will be complete by July 1983. System completion is scheduled for September 1983.

4.

Cable Separation The following information was provided concerning cable separation:

Regulatory Guide 1.75 Control Room and Auxiliary Eouipment Room NSSS BOP Total Number of Panels 26 5

31 requiring separation Separation Complete 17 3

20 I

Forecast Completion 5/15 4/29 5/15 I2 date 7/15 2 7/15

~

Except for 606, 608, 633 - Neutron Monitoring 606, 608, 633 Approximately 19,700 linear f6et of tray covers were estimated as required.

These were scheduled for installation 10/83 through 4/84.

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5.

Pre-operational and Acceptance Tests Pre-operational and acceptance tests were scheduled to begin around the time of the CFP visit.

Some system flushing had been accomplished at the time of the visit. The CFP expressed concern with the short period provided for pre-operational and acceptance testing compared to the schedules generally experienced for other plants. The CFP indicated that a 24-36 month period for performance of these tests, exclusive of bumping of equipment and flushing of systems, would be more consistent with general industry experience and cited La Salle 1 and St. Lucie 2 as two plants with fewer systems and fewer required tests with 24 month testing periods.

6.

Hanger Reconcilliation Project Engineering acceptance for Category I systems is expected in the first quarter 1984. The reconciliation for the BOP systems is expected by June 1983.

7.

Area Turnover Status The following information was provided by the 3pplicant:

No. of Areas to be turned over: 360 No. of Areas P/L:

192 No. of Areas Complete:

5 Following discussion of the open items, the CFP stated that the information provided by the applicant would be reviewed and the applicant's projected fuel load date would be evaluated.

If this evaluation indicated a difference in estimated fuel load dates of more than six months additional discussions between NRC and appifcant management would be arranged.

1. /r &

y M. F. Haughe, Project Manager Licensing Branch No. 2 Division of Licensing Attachments:

As stated cc w/ attachments:

See next page

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