ML20080H822
| ML20080H822 | |
| Person / Time | |
|---|---|
| Site: | Catawba  |
| Issue date: | 02/07/1984 |
| From: | Tucker H DUKE POWER CO. |
| To: | Adensam E, Harold Denton Office of Nuclear Reactor Regulation |
| References | |
| RTR-NUREG-0737, RTR-NUREG-737 NUDOCS 8402140338 | |
| Download: ML20080H822 (6) | |
Text
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Duxe PowEn GoxPm P.O. HOX 33180 CHAMLOTTE. N.C. 28242
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February 7, 1984 Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Washington, D. C. 20555 Attention: Ms. E. G. Adensam, Chief Licensing Branch No. 4 Re: Catawba Nuclear Station Docket Nos. 50-413 and 50-414
Dear Mr. Denton:
On June 1, 1983 Duke Power submitted the Catawba Unit 1 Control Room Review Supplemental Report. This report described the human engineering discrepancies (HED) identified during the review and provided a schedule for implementation of HED solutions.
This schedule was discussed at the conclusion of the NRC Staff's August 9-12, 1983 audit of the Catawba Unit 1 Detailed Control Room Design Review (DCRDR).
Following this audit we have updated the implementation schedule for HED solutions to be completed by the end of the first refueling outage as reflected in the attached cnanges to Duke Power's Response to Supplement 1 to NUREG-0737.
This schedule was developed during an extensive review of the HED solutions recommended for implementation.
Following the requirements of Supplement 1 to NUREG-0737, this review carefully considered the significance of each HED, including the contribution of the HED solution to the reduction of risk and enhancement in the safety of operation, the difficulty of installing the HED solutions, the need for rewriting operating procedures and for retraining, and the coordination of HED solution changes with changes resulting from other improvement programs such as the SPDS, operator training, new instrumentation (Reg. Guide 1.97, Rev. 2), and upgraded emergency procedures.
The integration of all of the changes resulting from these improvement efforts is a complex and demanding scheduling effort which requires cognizance of the interrelationships between each of the improvement areas, operator training requirements, and the plant status required for the implementation of each change.
Recognizing that some changes can be installed while the unit is on-line, and that many changes must be installed only after a preceeding change has been completed, the individual HED solutions must be carefully coordinated to avoid the introduction of additional human engineering deficien,' n.
The submittal schedule was developed after consideration of the K onificance; the difficulty of installing the HED solution, including installatie time, design / engineering time, and material procurement, the plant status necessary for installation; and the coordination between HED solution changes, and the B402140338 840207 PDR ADOCK 05000413 F
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Mr. Harold R. Denton, Director February 7,1984 Page 2 integration of these changes with changes from the other improvement activities.
The schedule used two defined dates, fuel load and first refueling, as commitment milestones. These milestones are not in.tallation dates, but are completion dates. HED solutions will be installed on a continuing basis either on line, if possible, or during an appropriate outage ene.ountered during this start-up and fine-tuning period. The HED solution schedule was also divided into physical and surface enhancement type solutions.
Physical modifications involve control board fabrication and device wiring. Surface enhancement modifications scheduled for outages between fuel load and the first refueling involve nameplates, meter scales, and escutcheon changes that need to be coordinated with other physical modifications and/or may require the unwiring and dismantling of individual devices.
After reviewing the HED solutions scheduled for implementation during the period between fuel load and the end of the first refueling outage, we are confident that at least 20 percent of these solutions can be installed within 12 months from fuel load.
During this 12 months and the remaining time before the end of the first refueling outage, the remaining HED solutions will be installed on a continuing basis as outage schedules permit, with all solutions completed i
by the end of the refueling outage.
Very truly yours, h r,kl/L l
Hal B. Tucker I
ROS/php Attachment cc: Mr. James P. O'Reilly, Regional Administrator i
U. S. Nuclear Regulatory Commission f
Region II-101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30303 l
NRC Resident Inspector Catawba Nuclear Station Mr. Robert Guild, Esq.
Attorney-at-Law P. O. Box 12097 Charleston, South Carolina 29412 Palmetto Alliance 2135) Devine Street Columbia, South Carolina 29205
Mr. ' Harold R. Denton, Director February 7, 1984
- Page 3 cc: Mr. Jesse L. Riley Carolina Environmental' Study Group
. 854 Henley O' ace
- Charlotte, North Carolina 28207 L
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3 Catawba Nuclear Station Response to Supplement 1 To NUREG - 0737 The following corrections should be made to Appendix D, Implementation Priority Schedule:
(a)
Section I (Physical Changes)
- Delete HED, 6,14, 52 (b)
Sectior, I (Surface Enhancements)
- Add (P) for partial implementation to HEDS 367, 400, 405, 408 (c)
Section II (Physical Changes)
- Delete HED 429A (this HED is listed under Appendix C, HEDs Not Corrected)
- Add HED 457 (d)
Section II (Surface Enhancements)
- Delete HED 242 (this HED is covered by HED 80
- Correct HED 238 between HEDs 341 and 361 to be HED 348
- Add HEDs 367(P), 400(P), 405(P), and 408(P) i
.I.
.HED Solutions to be completed prior to fuel loading.
Physical Changes 5
18-22 28 53 73 74 77.
78 86-120 114 424A Surface Enhancements 2
'13 36 51 83 87 91 98 244 304 307 325 327 361 ~ (P) 367-(P) 395 (P) 399 400 (P)
~405 (P)
- 408 (P) 4 64 467'(P) 482 (P)
(P) Partial implementation before fuel load, partial implementation after fuel load.
. - - _.., ~. _. _ _ _ _ _.. _.,..,,. _ _ _. _ _,. _. _.. _,
s' 4.
II.
HED Solutions to be' completed by the end of the first refueling.
Physical Changes 8
88 274 359 424H 9
89 283A 366 426 10 92 283E 371 A 429B 19 102 301 3928 429C 30 104 324 41 6 430 42 105 332 422A 437 43 108 343 4228 457 45 113 344 422D 468 48 124 345 422E 469
.58 125 350 422F 470B 59 202 352 422G 490 60 250 353 422H 505 64 2 51 354 4248 51 2 68 253
'355 424C 526 72 254 357 424F 532
- 9 273 358 424G 584 i
Surface Enhancements 32 214 363 392A 446 41 215 367 (P) 395(P) 463 46 219 368 400 (P) 467 (P) 80 235 369-402 402 (P) 84 238
-374 403 495 117 241 378 405 (P) 509 119
.255 379 406 522 204 256 381 408 (P) 525 206 282 382 411 534 207 338 387 413 594 208 341-390 41 5 211 348-3 91 417 361 (P) 423 (P) Partial implementation before fuel load, partial implementation after fuel load.
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