ML20080D480

Handwritten Notes & Calculations Re Const Activities.Related Info Encl

ML20080D480
Person / Time
Site:	05000000, Comanche Peak
Issue date:	10/21/1980
From:	NRC
To:
Shared Package
ML082380886	List: ML20079E005 ML20079E130 ML20079F108 ML20079F306 ML20080D183 ML20080D196 ML20080D205 ML20080D208 ML20080D250 ML20080D255 ML20080D263 ML20080D277 ML20080D286 ML20080D297 ML20080D306 ML20080D318 ML20080D331 ML20080D335 ML20080D339 ML20080D343 ML20080D346 ML20080D350 ML20080D358 ML20080D362 ML20080D368 ML20080D375 ML20080D379 ML20080D381 ML20080D387 ML20080D392 ML20080D397 ML20080D409 ML20080D413 ML20080D416 ML20080D422 ML20080D425 ML20080D432 ML20080D461 ML20080D465 ML20080D469 ML20080D480 ML20080D491 ML20080D497 ML20080D514 ML20080D546 ML20080D558 ML20080D570 ML20080D582 ML20080D586 ML20080D590 ... further results
References
FOIA-83-498 NUDOCS 8402090138
Download: ML20080D480 (20)

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o UNITED STATES g'

NUCLEAR REGULATORY COMMISSION

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.i W ASHINGTON, D. C. 20656 I

+., *..*/

JAN 141981 Docket Nos. 50-445 and 50-446 APPLICANT: Texas Utilities Generating Company FACILITY:

Comanche Peak Steam Electric Station, Units 1 and 2

SUBJECT:

SUFl%RY OF CASELOAD FORECAST PANEL MEETINGS AND FACILITY TOUR AT COMANCHE PEAK Summary On October 21, 22, and 23,1980, Nessr. W. H. Lovelace and S. C. Burwell visited the Comanche Peak Steam Electric Station near Glen Rose, Texas.

The objectiver of the visitc6ah to permit the NRC's Caseload Forecast Panel (Mr. Lo'velace) to revinw' construction progress to recomend an order of priorities for scheduling NRC manpower assignments. The visit was organized into three parts:

1.

A meeting with the applicant to discuss construction progress and schedules for completion.

2.

A tour of the station facilities to observe its. status and construction activities.

3.

A neeting to discuss questions raised during the facility tour and

' to permit the Caseload Fcrecast Panel to describe its observations and conclusions.

A list of attendees and observers at the meetings is given in Enclosure 1.

In conclusion, the applicant's target date for fuel loading Unit 1 is December 1981.

We believe that date to be optomistic based on the identified items remaining and our estimates of the degree of difficulty to complete this work.

Based on our meetings and tour, we project the fuel loading date to be December 1982.

A sumary of our concluding remarks is given at the end of the Meeting Details for Thursday, October 23, 1980.

The applicant expressed confidence that it will meet the December 1981 target date.

We advised that when the applicant has completed substantial fractions of the presently outstanding pipe hangers and cable installations we will reevaluate and adjust our projections accordingly.

g

i 9

JAN 141981

_g_

Meeting Details Tuesday, October 21, 1980 Mr. Burwell opened the meeting with introductions and a statement on the purpose of the meeting. The staff noted that the purpose of the meetings and tour was to permit the Caseload Forecast Panel to review construction progress in order to recommend priorities for scheduling NRC manpower assignments. The merits of technical issues will not be discussed during these meetings or tour. The agenda for the three days is given in the Notice of Meeting and Tour issued October 1, 1980.

Mr. Schmidt advised that since the preceding visit by the Caseload Forecast Panel the applicant had assigned Mr. Joe George as on-site manager, and had increased on-site engineering personnel to 360, managed by the applicant.

Reviews of construction progress and schedule are held weekly, biweekly and monthly with supervisors, managers and officers of the utilities. The system of reporting the rate of construction was also changed from tracking the installed fraction of total estimated bulk quantities to a more meaningful tracking system.

Mr. D. Hicks described the new construction progress reporting format initiated in the early summer. The format provides for tracking quantities of items incomplete (or outstandine) on each principal system. Three sets of weekly tallys trace progress:

1)

Summary totals for all systems under headings Unit 1 and Common, Unit 2, and Total Plant.

2)

Summary totals for each system.

3)

Summary cumulative each week.

Mr. Hicks identified pipe hangers as the critical path item; i.e., the installation of pipe hangers controls the construction completion date.

The applicant has scheduled to complete the installation of pipe hangers on Unit 1 by September 1981 and on Unit 2 by May 1983. This permits fuel load dates of December 1981 and August 1983 respectively. After pipe hangers, the installation of electrical wire and cables with terminations controls construction completion. Delays in the installation of both pipe hangers and electrical wire and cables are plant wide.

Mr. Hicks then gave the data on bulk quantities requested in Item 7' of the Meetin October 1,g Agenda attached to the Notice of Meeting and Tour dated 1980. The significant data items are tabulated on Enclosure 2.

i l

1 JAN 141983 f!r. Murray described the direct craft labor force as requested in Item 4 of the Feeting Agenda. The direct craft labor numbers about 2500, most of which are working on the 10-hour day shift. About 400 are employed on the night shift working on cable pulling and pipe hangers. Electrical craft labor is presently at about 600. Pechanical craft labor is presently about 1150. The instrumentation and control craft labor is presently 50 to 60.

Mr. Murray described the status of pipe hangers, restraints and snubbers requested in Item 5 of the Meeting Agenda. For large pipes, the design of the pipe hangers is 90 percent complete. Approximately 75 to 80 percent have been procured and are on site, with 51 percent presently installed.

Pipe hangers for large pipes are fabricated both on site and at the vendor shop. Pipe hangers for small pipes are all fabricated on site.

The pipe whip restraints are about 80 percent complete on design and fabrication. The applicant expects to complete the design by the end Of 1980, and should receive delivery of all restraints four months later.

The overall project percent complete estimates requested in Item 6 of the Peeting Agenda at the end of September 1980 were:

Unit 1 and Common 86%

Unit 2 50%

Total Project 75%

The status of design requested in Item 2 of the Meeting Agenda is as follows.

Approximately 99 percent of all drawings have been issued the first time; only 43 out of approximately 6600 drawings remain to be issued. The architect-engineer maintains a staff of 287 at the corporate offices and 368 on the site. Engineering effort is presently directed at the following tasks: design of fire protection system, damage study for pipe breaks, seismic design study, and the 'as built" design study.

The Jet impingement camage study will be active the first quarter of 1981. The equipment qualification programs for both Westinghouse and balance-of-plant equipment are expected to be completed by May 1981.

The status of procurement requested in Item 3 of the Meeting Agenda is as follows. All major equipment items furnished by Westinghouse are on site.

Of the balance-of-plant purchase orders, 81% of those required for Unit 1 are on site.

The applicant expects delivery of all balance-of-plant major equipment items for both Units 1 and 2 by the end of January 1981.

Subcontracts in effect or forthcoming are for HVAC systems, fire protection systems, the containment integrity test, the containment dume roofing, and containment penetration tests.

4-JAN 141981 Mr. McBay described the status of TMI-related construction as requested in Item 9 of the Meeting Agenda. Construction and equipping of the technical support center and emergency operations facility will be significant activities during 1981, but are not expected to impact the target fuel load date.

The schedular impact of potential deficiencies reported in accordance with 10 CFR 50.55(e) were discussed. The applicant expects no impact on the schedule by these matters.

The status of the program for turning over the completed systems to station operations personnel and the preop testing was discussed. There are 256 turnover procedures, both safety and non-safety. Approximately one quarter of these have been accomplished. However, only three complete plant systems out of 85 have been checked out. The preop testing program requires 121 preoperational test procedures on safety related systems, and 35 acceptance test procedures on non-safety related systems. Vork on half of the preop procedures has not started, and none of the preop tests have been completed.

Preop testing is expected to start in January 1981.

The major milestone tests schedules are: 1) cold hydro in July 1981, 2) hot functional in October 1981, 3) integrated leak rate test in November 1981, and 4) fuel loading in December 1981. There are 22 engineers assigned to startup operations at this time. This will be increased to 40 by mid-1981.

The meeting on Tuesday, October 21, 1980 was adjourned.

Wednesday, October 22, 1980 Messrs. Lovelace and Burwell were conducted on a tour of the Comanche Peak Steam Electric Station, Unit 1 and common.

Thursday, October 23, 1980 On opening t'he meeting S. C. Burwell announced that Mr. Lovelace had several questions on which we wished to have responses before we sumarized our conclusions. The discussions on each is summarized below.

The applicant advised that the d.c-a.c inverters observed to be missing are scheduled to be shipped by the supplier in November 1980, and are not expected to impact the startup schedule.

We requested clarification on how credit is calculated for large piping which is partially installed, or which might require rework to complete fit up.

Credit is taken for a pipe when the pipe has been placed on line with a tack weld, root weld, or bolted flange on one end. Velds are tracked in a separate status report and no credit is given for rework. The applicant emphasized that their reporting system is conservative.

I JAN 141981 We requested a status report on the piping moment restraints.

These will be shipped by their vendors during the month of November 1980 and will not impact the schedule.

We noted during the facility tour a large number of wall spaces marked

" reserved for supports or hangers."

The appifcant advised that these are included in the bulk quantities of hangers remaining to be installed which were reported t3 the staff on Tuesday. The orange marking indicates the hanger must be located within a congested area and therefore, will be given special attention.

The meeting recessed for about twenty minutes.

Concluding Remarks by the Staff On reconvening the meeting S. Burwell and W. Lovelace commented as follows:

1)

We have reviewed the bulk quantity data and we are in basic agreement with your estimate of 86 percent complete on Unit I and common.

2)

We agree that you have correctly identified the critical path items; i.e., the installation of pipe hangers and the installation of cables and terminations.

3)

We have reviewed the data presented on Tuesday and spent a good part of Wednesday touring the facility.

and observing the degree of difficulty of this remain!ng work, weAfter stud conclude that our experience would project a December 1982 fuel load date.

4)

We wart to emphasize that our estimate is based on the imperfect data we have been able to acquire over the last couple of days.

Our method of estimating the completion of construction by comparing with our experiences with other nuclear facilities is subject to error.

We recommend that you work to your schedule.

We applaud your effort and wish you success.

5)

We will be watching your progress closely.

If you are able to accelerate the installation of pipe hangers and electrical cables, please keep us informed.

We are also interested in your rate of accomplishing system turnover tests and preoperational procedure tests. When you have accomplished significant fractions of these, please keep us informed.

We will be happy to come and take another look when it appears you have completed substantial fractions of the outstanding items.

o

• JAN 141961 i

Mr. George cornented that he still believed the December 1981 date was a realistic and achievable fuel load date, and that he intended to be ready by that date.

h. /

S. B. Burwell, Project Manager i

Licensing Branch No. 2 Division of Licensing

Enclosures:

As stated cc w/ enclosures:

See next page 9

6

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