ML20134E269
| ML20134E269 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 08/12/1985 |
| From: | Reinaldo Rodriguez SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| To: | Maritn J, Martin J NRC OFFICE OF ADMINISTRATION (ADM), NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| 85-10, RJR-85-388, NUDOCS 8508200124 | |
| Download: ML20134E269 (13) | |
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$ sMu- SACRAMENTO MUNICIPAL UTILITY DISTRICT O 6201 S street, P.O. Box 15830 Sacramento CA 95852-1830 (916) 452-3211 AN ELECTRIC SYSTEM SERVING THE HEART OF CALIFORNIA RJR 85-388 August 12, 1985 J-B MARTIN REGIONAL ADMINISTRATOR REGION V 0FFICE OF INSPECTION AND ENFORCEMENT ATTN C0CUMENT CONTROL DESK U S NUCLEAR REGULATORY COMMISSION WASHINGTON D C 20555 DOCKET N0. 50-312 LICENSE NO. DPR-54 SPECIAL REPORT NUMBER 85-10 The Sacramento Municipal Utility District hereby submits Special Report 85-10 in accordance with Rancho Seco Nuclear Generating Station Technical Specification, Sections 3.14.6.2 and 6.9.5.E. This report provides an updated list (attached) of nonfunctional fire barriers reported in our July 17, 1985 Special Report 85-08 and identifies any nonfunctional fire barriers detected or created since that report which were not restored to functional status within seven (7) days.
The District has evaluated each nonfunctional barrier against the requirements of Technical Specification 3.14.6 and has verified that the appropriate fire watch has been established.
As stated in the July ll, 1985 Special Report 83-08, the District is providing a description of its program and associated schedule. The penetration program has been divided into fcur major program efforts: (1) electrical penetrations, (2) mechanical penetrations, (3) dampers, and (4) doors. The status for each program area follows:
- 1. Electrical Penetrations - A detailed walkdown of electrical penetrations has been concluded and all potential installation deficiencies have been identified. Electrical penetration deficiencies identified as of August 1, 1985 will be sealed or upgraded by August 30, 1985 except for the conduit through cable tray seals which will require additional fire tests to determine appropriate resolution. Certain bus ducts which are inaccessible until a refueling outage will not be sealed until the 1986 "efueling outage, but suitable compensatory measures will remain in affect until restoration of the seal is complete.
- 2. Mechanical Penetrations - A detailed walkdown of all mechanical penetra-tions is currently in progress. Each seal is being analyzed to substantiate its fire rating with a fire test report or engineering analysis performed by a registered fire protection engineer. Seals which cannot be sub-stantiated are being reworked or replaced. All mechanical penetrations identified as deficient as of August 1, 1985 will be repaired by September 6, 1985.
2 D RANCHO SECO NUCLEAR GENERATING STATION O 1444o Twin Cities Road, Herald, CA 95638-9799;(209) 333-2935
- 3. Doors - The District had Underwriter's Laboratory (UL) personnel evaluate the fire doors and their report identified the bulk of fire doors which are being reported as inoperable. Additional door analy-ses have been conducted since then to account for changes in fire area boundaries and door upgrades identified by the 1985 Rancho Seco Fire Hazard Analysis Report Update. Of the door deficiencies identified, some repairs have already been completed and all doors are currently scheduled to be repaired by November 1, 1985. In an effort to get field labeling done on modified doors, UL has found several doors un-acceptable for relabeling because of security modifications. The District is working to resolve this item.
- 4. Dampers - The District has completed a 100 percent walkdown of all existing dampers and of all ducts which do not contain dampers that penetrate fire area boundaries. All dampers or duct penetrations not containing dampers have been evaluated to determine the requirements consistent with the 1985 Rancho Seco Fire Hazards Analysis Report Update. The dampers identified as deficient or missing by this walk-down will be repaired or installed by November 22, 1985.
All of the above schedules are based on information as of the date of this letter. Because of the uncertain nature of materials delivery and problems identified during repair / installation, these schedules may require modification. Therefore, as new information is received, the District will update these schedules to reflect the new information. In summary, the District has a comprehensive program to repair and upgrade exist-ing penetrations. The District has control in place to identify future breaches in barriers and ensure that they are closed or repaired in a timely manner. If you rh_ ave any questions concerning this report, please contact Mr. Ron Colombo a the R cho Seco Nuclear Generation Station Unit No. 1. 1 rd 3 R. J. RODRIGUE ASSISTANT GENE L MANAGER, NUCLEAR Attachment cc: Director, NRR
l l f-ATTACHMENT TO SPECIAL REPORT 85- 10 s
. LIST OF NON FUNCTIONAL FIRE BARRIERS AUGUST 6, 1985 FIRE DAMPERS DAMPER NUMBER FIRE AREA DETECTION ZONE FD-01 1-2 4-104 FD-02 1-2 4-104 FD-03 1-2 4-104 FD-04 1-2 4-104 FD-05 1-2 4-104 FD-06 1-2 4-104 FD-07 1-2 4-104 FD-08 1-2 4-104 FD-16A 1-2 4-104 FD-17A 1-2 4-104 FD-18 15-RM1 11-19 FD-18A 6-RT1 6 FD-19A RT1-RG1 5 FD-20A 27-RT1 6-20 FD-21 14-31 13-37 FD-21A 27-64 20-42 FD-22 32-20 16-38 gs FD-22A 27-28 20 FD-23 RG1-36 42
(- FD-23A RG1-RM1 18 FD-24A RG1-RM1 18 FD-25 47-48 46-47 FD-25A 36-RG1 42 FD-26A 20-21 16-17 FD-27A 21-20 46 FD-28 RB1-RB2 47 FD-28A 21-20 46 FD-29 49-56 47-48 FD-29A 16-17 12-13 FD-30 49-57 47-48 FD-30A 16-17 12-13 FD-31A 16-17 12-13 FD-32A 47-RB2 46 FD-41 56-47 47-48 FD-42 RT1-RG1 5 FD-43 RT-RG1 5 FD-46 RT1-RG1 5 FD-47 RT1-RG1 5 FD-48 RT1-RG1 5 FD-N32 84/3-89 84-89 FD-N33 84/3-89 84-89 MISSING DAMP'S (3) 47-69 42-05 MISSING DAMP'S (3) 47-RG1 42 ()-- MISSING DAMPER (1) MISSING DAMPER (1) . 47-RB2 47-57 46 46-48
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J ATTACHMENT TO SPECIAL REPORT 85-10 i LIST OF NON FUNCTIONAL FIRE BARRRIERS AUGUST 6, 1985 FIRE DOORS FIRE DOOR FIRE AREA DETECTION ZONE . ACCESS HATCH RM1-38 19 AU102 36-RG1 43 i AU103 36-67 43 AU108 36-RG1 36 AU109 R61-72 42 AU111 33-36 39-42 AU113 32-36 38-42 AU11'4 32-36 38-42 i AU115 19-32 15-38
- AU116 18-19 14-15 i AU117 31-32 37-38
- AU118 31-36 37-42 j AU119 18-31 14-37 '
AU120 31-46 37-42
- AU121' 30-36 36-42 AU123 30-71 36-33 i AU124 36-62 42 AU126 36-RG1 42 O AU127 AU128 47-RG1 38-69 42 41
- AU129 RG3-69 42 l AU130 36-38 41-42 AU131 36-71
- 41-33 4
AU132 38-71 41-33 AU133 37-71 40-33 i- AU134 37-69 40 l AU135 33-3.6. 39-43
- AU136 47-64 42-YARD AU137 RB2-RG1 43
! AU138 30-31 36-37 j AU139 36-RG1 42
- AU201 67-RM1 18 AU202 RG1-RM1 18 AU203 RG1-RM1 18-20 AU205 28-RM1 20
, AU206 28-72 20 AU207 27-28 20 AU208 21-RM1 17-20
- AU209 21-RM1 17-18 i AU210 20-21' 16-17
., AU211 20-RM1 16-20 AU212 19-20 15-16
. AU213 18-19 14-15 AU214 17-18 13-14 AU215 17-RM1 13-19 AU216 16-RM1 12-19 AU218 71-RM1 10-19 AU220 71-RM1 10-19
. AU221' 71-RM1 10-19
ATTACHMENT TO SPECIAL REPORT 85- 10 LIST OF NON FUNCTIONAL FIRE BARRRIERS AUGUST 6, 1985 O FIRE DOORS FIRE DOOR FIRE AREA DETECTION ZONE AU224 62-RM1 19 AU225 RM1-27 20 AU226 15-71 10-11 AU227 16-17 11-12 AU301 67-RT1 5 AU319 72-RT1 7 AU333 1-RT1 4-6 AU334 1-RT1 3-6 AU333 1-71 2-3 AU342 71-14 2-6 AU344 6-RT1 6 AU345 6-RT1 6 AUB08 18-19 14-15 AUB12 48-49 47 AUB61 19-81 15-81 AUB62 18-82 14-81 AUR401 62-74 6-ROOF NS063 81-82 81-82 NS153 83/1-83/2 83 NS154 76/1-76/3 76 O i NS155 NS156 76/1-76/2 75/1-75/2 76 75 NS157 75/1-75/3 75 NS158 75/1-83/1 . 75-83 NS159 76/1-83/1 76-83 - NS160 82-83/1 82-83 NS232 82-84/1 82-84 NS233 81-84/1 81-81 NS234 78/1-78/2 78 NS235 77/1-77/2 77 NS238 77/2-84/1 77-84 NS239 84/1-84/2 84 NS240 78/2-84/1 78-84 NS241 84/1-84/3 84 NS242 83/2-84/1 83-84 NS352 85/1-87 85-87 NS353 85/1-89 85-89 NS355 85/1-85/2 85 NS357 2-85/4 104-85 NS358 79-85/3 79-85 NS359 80-85/2 80-85 NS403 85/5-91/1 85-91 O . 4
y ATTACHMENT TO SPECIAL REPORT 85 -10 LIST OF NON FUNCTIONAL FIRE BARRIERS l AUGUST 6,1985 MECHANICAL PENETRATIONS PENETRATION NUMBER FIRE AREA DETECTION ZONE i 0101(NSEB) 75/2-75/1 75 0103(NSEB) 75/2-75/1 75 0113(NSEB) 76/2-76/1 76 0116(NSEB) 76/2-76/1 76 0117(NSEB) 83/1-75/1 83-75 0119(NSEB) 83/1-76/1 83-76 1 0123(NSEB) 75/3-75/1 75 i 0128(NSEB) 76/3-76/1 76 0130(NSEB) 83/1-E3/2 83 0131(NSEB) 83/1-E3/2 83 0143(NSEB)- 75/1-75/2 75 0144(NSEB) 76/1-75/2 76 0148(NSEB) 76/1-8.*/1 76-83 3 0149(NSEB) 75/1-83/1 75-83 0207(NSEB) 78/2-84/1 78-84 0212(NSEB) 84/1-84/2 84 4 0213(NSEB) 83/2-84/1 83-84 0214(NSEB) 83/1-83/2 83 i 0216(NSEB) 83/12-84/1 83-84 j 0226(NSEB)
' 84/1-84/2 84 0227(NSEB) 84/1-84/2 84 0230(NSEB) 84/1-84/3 84 1
2083 RM1-71 3038 19-10
- RG1-3 6 42 3039 RG1-36 42 3040 RG1-36 42 3041 RG1-36 42 3042 RGi-36 42 3045 RG1-36 42 3046 RG1-36 42 3065 38-36 19 3066 38-36 19 3071 30-71 33-36 3072 30-71 33-36 3073 30-71 33-36
. 3074 30-71 33-36 3
3075 31-36 37-42 3 3078 31-36 37-42 i 3086 37-71 33-40 3119 38-71 41-33
; 3120 37-71 40-33 ; 3123 -
32-33 38-39 3124 31-32 36-37 3125 30-31 36-37 I
' 37-71 33-40 O 3128 3140 3141 47-69 42 47-69 42 1
i 314'4 47-69 3143 42 } 47-69 42
.- - _. L -- . _- - -- - . - . -- - . - -_- -. - _ - - . - . _ _ - _ .
ATTACHMENT TO SPECIAL REPORT 85 - 10 O LIST OF NON FUNCTIONAL FIRE BARRIERS AUGUST 6,1985 V) g MECHANICAL PENETRATIONS PENETRATION NUMBER FIRE AREA DETECTION ZONE 3144 47-69 42 3145 RG1-36 43 3146 36-62 42 3147 47-62 42 3148 47-RB1 46 3149 RB1-RG1 43-47 3150 36-RB2 46 3151 36-RB2 46 3152 36-RB2 46 4121 RB1-RB2 47 4128 RB1-RB2 47 4129 RB1-RB2 47 4130 RB1-RB2 47 4131 RB1-RB2 47 4132 RB1-RB2 47 4133 RB1-RB2 47 4134 RB1-RB2 46 4135 RB1-RB2 46 4136 RB1-RB2 46 O 4140 RB1-RB2 46
\ 4141 RB1-RB2 47 4144 RB1-RB2 47 4151 RB1-RB2 47 4154 RB1-RB2 46 4155 RB1-RB2 47 4156 RB1-RB2 47
~4157 RB1-RB2 47 4158 RB1-RB2 47 4159 RB1-RB2 47 4160 RB1-RB2 47 4161 RB1-RB2 47 4164 RB1-RB2 47 4250 50-57 47 4251 50-57 47 4325 RB1-RB2 47 4326 RB1-RB2 47 4327 RB1-RB2 47 4328 RB1-RB2 47 4329 RB1-RB2 47 4330 RB1-RB2 47 4331 RB1-RB2 47 4332 RB1-RB2 47 4333 RB1-RB2 47 4402 RB1-RB2 47 O 4405 47-RB2 46 V 4406 47-RB2 46 4408 47-RB2 46 4409 47-RB2 46 4410 47-RB2 46
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l i ATTACHMENT TO SPECIAL REPORT 85 -10 I p) LIST OF NON FUNCTIONAL FIRE BARRIERS AUGUST 6,1985
. MECHANICAL PENETRATIONS PENETRATION NUMBER FIRE AREA DETECTION ZONE 4411 47-RB2 46 4412 47-RB2 46 4413 47-RB2 46 4414 47-RB2 46 4415 47-RB2 46 4416 47-RB2 46 4417 47-RB2 46 4418 47-RB2 46 4419 47-RB2 46 4420 47-RB2 46 4421 47-RB2 46 4422 47-RB2 46 4425 57-RB1 46-47 4426 57-RB1 46-47 4429 57-RB1 46-47 4435 47-RB2 46-47 4437 48-RB1 47 4438 48-RB1 47 4439 48-RB1 47
( 4440 48-RB1 47 V 4441 48-RB1 47 4442 48-RB1 47 4443 48-RB1 47 4444 48-RB1 47 4445 48-RB1 47 4447 48-RB1 47 4450 48-RB1 47 4451 47-RB1 46 4452 48-56 47-48 4453 48-56 47-48 4454 48-56 47-48 4455 48-56 47-48 4456 47-48 46-47 4457 47-48 46-47 4458 47-48 46-47 4459 47-48 46-47 4460 47-48 46-47 4462 47-48 46-47 4463 47-48 46-47 4464 47-48 46-47 4465 47-48 46-47 4466 47-48 46-47 4467 47-48 46-47 4468 48-RB1 47 i 4469 48-RB1 47
\- 4471 48-RB1 47 4472 48-RB1 47 4473 48-RB1 47 4474 48-RB1 47
ATTACHMENT TO SPECIAL REPORT 85 -10 LIST OF NON FUNCTIONAL FIRE BARRIERS O AUGUST 6,1985 MECHANICAL PENETRATIONS PENETRATION NUMBER FIRE AREA DETECTION ZONE 4475 48-RB1 47 4476 48-RB1 47 2 4477 48-RB1 47 4478 48-RB1 47 , 4480 48-RB1 47 4481 48-RB1 47 4485 48-RB1 47 4486 48-RB1 47 4487 RB1-56 47-48 4488 RB1-56 47-48 4489 RB1-57 47-48 4490 RB1-57 47-48 4492 RB1-56 47-43 4493 RB1-56 47-48 4494 RB1-56 47-48 i 4501 RB1-RB2 46 4502 RB1-RB2 46 4503 RB1-RB2 46 4504 RB1-RB2 46 tO 4505 RB1-RB2 46-47 U 4506 RB1-RB2 46-47 4507 RB1-RB2 46-47 4508 ' RB1-RB2 46-47 4509 50-57 48 - 4511 47-56 48 4 5001 47-57 48 5002 47-57 48 5003 56-57 48 5004 56-57 48 5005 56-57 48 5010 56-57 48 5012 56-57 48 EXPANSION JOINT (UNSEALED) 27-28 20 EXPANSION JOINT (UNSEALED) 56-57 48 FHC HS13 36-RG1 42 FHC S08 27-RM1 20 FHC S09 RG1-RM1 20 FHC S10 30-36 42 FHC S11 36-RG1 42 FHC S12 36-RG1 42 FHC S14 RG1-RT1 5-7 HVAC DUCT NOT SEALED 1-RT1 4-6 OPENING WITH CERAMIC WOOL RG1-36 42 O i
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1 e ATTACHMENT TO SPECIAL REPORT 31 _10 LIST OF NON FUNCTIONAL FIRE BARRIERS O . AUGUST 6, 1985 ELECTRICAL PENETRATIONS PENETRATION NUMBER FIRE AREA DETECTION ZONE 01-02 AA 1-2 4-5 01-17 AG 1-17 3-13 01-17 AH 1-17 4-13 01-17 AK 1-17 4-13 01-17 AM 1-17 4-13 01-17 AO 1-17 4-13 01-17 AQ 1-17 4-13 01-17 BB 1-17 4-13 01-17 BG 1-17 4-13 01-17 BO 1-17 4-13 01-17 BP 1-17 4-13 01-20 AA 1-20 4-16 01-20 AB 1-20 4-16 01-20 AF 1-20 4-16 01-20 AL 1-20 4-16 01-20 AM 1-20 4-16 RT1-RM1 05-25 AA 6-19 01-17 BI 1-17 3-13 01-20 AD 1-20 4-16 0 01-20 AE 15-71/2 AA 15-71/3 AA 1-20 15-71/2 15-71/3 4-16 11-10 11-10 15-71/3 AB 15-71/3 11-10 15-71/3 AC 15-7I/3 11-10 15-71/3 AD 15-71/3 11-10 , 16-17 AA 16-17 12-13 16-17 AB 16-17 12-13 16-17 AE 16-17 12-13 16-29 AA 16-29 12-19 16-31 AA 16-31 12-37 16-31 AB 16-31 12-37 17-18 AA 17-18 13-14' 17-18 AB 17-18 13-14 17-18 AC 17-18 13-14 17-18 AD 17-18 13-14 17-18 AF 17-18 13-14 17-20 AB 17-20 13-16 17-20 AC 17-20 13-16 17-29 AA 17-RM1 13-19 17-29 AB 17-RM1 13-19 17-29 AC 17-RM1 13-19 17-29 AD 17-RM1 13-20 17-29 AE 17-29 13-20 17-31 AA 17-31 13-37 O' 17-31 AB 17-31 AC 17-31 17-31 13-37 13-37 17-31 AK 17-31 13-37 17-31 AL 17-31 13-37 17-31 AM 17-31 13-37
i . ATTACHMENT TO SPECIAL REPORT 85 - 10 LIST OF NON FUNCTIONAL FIRE BARRIERS Os AUGUST 6, 1985 ELECTRICAL PENETRATIONS PENETRATION NUMBER FIRE AREA DETECTION ZONE 18-19 AA 18-19 14-15 18-19 AB 18-19 14-15 18-19 AC 18-19 14-15 18-31 AB 18-31 14-37 18-31 AC 18-31 14-37 18-31 AD 18-31 14-37 18-31 AE 18-31 14-37 18-31 AF 18-31 14-37 18-31 AG 18-31 14-37 18-31 AH 18-31 14-37 t 18-47 AA 18-47 14-46 18-47 AB 18-47 14-46 19-20 AB 19-20 15-16 19-20 AC 19-20 15-16 19-20 AD 19-20 15-16 19-32 AA 19-32 15-38 19-32 7.A 19-32 15-38 19-32 AC 19-32 15-38
/~ 19-32 AE 19-32 15-38
( - 19-32 AF 19-46 AA 19-32 19-RB2 15-38 15-46 20-29 AA 20-RM1 16-20 20-29 AB 20-RM1 16-20 20-29 AC 20-RM1 16-20 20-29 AE 20-RM1 16-20 20-29 AF 20-RM1 16-20 20-32 AA 20-32 16-38 20-32 AB 20-32 16-38 20-32 AC 20-32 16-38 20-32 AD 20-32 16-38 20-32 AE 20-32 16-38 21-33 AA 21-33 17-39 22-29 AA RG1-RM1 18-20 27-29 AB 27-RM1 20 27-29 AC 27-RM1 20 28-29 AA 28-RM1 20 29-71/2 AA RM1-71/2 19 29-71/2 AB 29-71 29-71 30-31 AA 30-31 36-37 30-31 AC 30-31 36-37 30-31 AE 30-31 36-37 30-31 AG 30-31 36-37 30-31 AH 30-31 36-37 30-71/1 AA 30-71/1 33-36 30-71 33-36 Os 30-71/1 AB 30-71/1 AD 30-71/1 36-33 30-71/1 AE 30-71 33-36 30-71/1 AF 30-71/1 36-33 31-32 AA 31-32 36-37
ATTACHMENT TO SPECIAL REPORT 85 - 10 (g LIST OF NON FUNCTIONAL FIRE BARRIERS (') AUGUST 6, 1985 ELECTRICAL PENETRATIONS PENETRATION NUMBER FIRE AREA DETECTION ZONE 31-36 AB 31-36 37-42 31-36 AC 31-36 37-42 32-33 AA 32-33 38-39 32-36 AA 32-36 38-42 32-36 AC 32-36 38-42 32-36 AD 32-36 38-42 32-36 AG 32-36 38-42 32-36 AH 32-36 38-42 32-36 AI 32-36 38-42 33-36 AA 33-36 39-42 33-36 AB 33-36 39-43 34-36 AA RG1-36 43 34-36 AB RG1-36 43 34-36 AD RG1-36 43 34-36 AD RG1-36 43 34-36 AE RG1-36 43 34-36 AF RG1-36 43 34-36 AG RG1-36 43 34-36 AK RG1-36 43 , 0s 34-64 AA 34-64 AB RG1-64 RG1-64 42 42 34-OS AA RG1-05 42 36-64 AA 36-64 42 36-64 AB 36-64 42 36-71/1 AA 36-71/1 33-42 39-50 AA RG1-RB1 47-43 46-47 AA 46-47 46 46-47 AB 46-47 46 46-47 AC 46-47 46 47-49 AB RB1-47 46 47-49 AC 47-RB1 46 50-66 AA 47-48 46-47 75/1-77/2 AA 75/1-77/2 75-77 75/1-81 AA 75/1-81 75-81 75/1-83/1 AA 75/1-83/1 75-83 75/1-83/1 AB 75/1-83/1 AB 75-83 75/1-05 AA 75/1-05 75 76/1-82 AA 76/1-82 76-82 76/1-82 AB 76/1-82 76-82 76/1-82 AB 76/1-82 76-82 76/1-83/1 AA 76/1-83/1 76-83 76/1-83/1 AB 76/1-83/1 76/83 76/1-0S AA 76/1-0S 76 78/2-82 AB 78/2-82 78-82 O. 83/1-84/1 AA 83/1-8 /1 83-84 84/1-90/2 AB 84/1-85,1 84-85 85/1-85/2 AA 85/1-85/2 85 85/1-85/4 85/1-85/4 85 85/1-85/4 AA 85/1-85/4 85
O ATTACHMENT TO SI'ECIAL REPORT 85- 10 LIST OF NON FUNCL'IONAL FIRE BARRIERS AUGUS'.' 6, 1985 ELECTRICAL PENETRATIONS PENETRATION NUMBER FIF.E AREA DETECTION ZONE 85/1-85/4 AB 85/1-85/4 85 85/2-90/1 AB 85/2-90 85/90 - 85/3-88 AA 85/3-88 85-88 85/3-88 AB 85/3-88 85-88 85/3-88 AB 85/3-88 85-88 88-90/2 AA 85/1-87 85-87 88-90/2 AB 85/1-87 85-87 90/1-90/2 AA 85/1-89 85-89 90/1-90/2 AB 85/1-89 85-89 0 O
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