ML20209G240
| ML20209G240 | |
| Person / Time | |
|---|---|
| Site: | 07001201 |
| Issue date: | 08/22/1986 |
| From: | Hosey C, Lee T, Troup G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | |
| Shared Package | |
| ML20209F857 | List: |
| References | |
| 70-1201-86-05, 70-1201-86-5, NUDOCS 8609120401 | |
| Download: ML20209G240 (36) | |
Text
{{#Wiki_filter:UNITED STATES p3 KE@og'o NUCLEAR REGULATORY COMMisslON
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REGION 11 [" n g
,, j 101 MARIETTA STREET,N.W.
s ATLANTA, GEORGl A 30323
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Report No.: 70-1201/86-05 Licensee: Babcock and Wilcox Company Commercial Nuclear Fuel Plant Lynchburg, VA 24505 Docket No.: 70-1201 (CNFP) License No.: SNM-1168 Facility Name: Commercial Nuclear Fuel Plant Inspection Conducted: ly8j10and16,(1986 V Inspectors: /' 19 8/22/t6 G. L. Troup / Date Signed
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8- 2 L -86 T. D. Lee Date Signed Approved by: N- 8 - 2 2 - Jt:, w C. M. Hosey, Section Chief ~ Date-Signed P Division of Radiation Safety and Safeguards
SUMMARY
Scope: This special, announced inspection of transportation activities resulted from the licensee's report of a UFgcylinder breaking loose from a trailer while in transit and falling onto a publft street. Results: One violation was identified - failure to brace a radioactive material container to prevent shifting under conditions normally incident to transport. 8609120401 860902 PDR ADOCK 07001201 PDR
2 REPORT DETAILS
- 1. Persons Contacted Licensee Employees
*R. A. Alto, Plant Manger
*W. T. Engelke, Manager, Quality Assurance and Safety D. V. Ferree, Manager, Manufacturing D. W. Zeff, Manager, Operations Support B. W. Pugh, Manager, Production and Materials Control
*K. E. Shy, Health Physicist Other licensee employees contacted included maintenance personnel and technicians.
Other Organizations Braunkohle Transport R. Merkel S. C. Ellis Davis Transport B. Jody, Jr. Other contractor employees contacted included three drivers.
- Attended exit interview
- 2. Exit Interview The inspection scope and findings were summarized on July 10, 1986, with those persons indicated in Paragraph 1 above. The inspector described the areas inspected and discussed in detail the inspection findings. No dissenting comments were received from the licensee.
One violation concerning the failure to brace materials to prevent movement under conditions normally incident to transport was identified, based on the loss of control of one UF6cylinder on a shipment. The scope and findings of the review of the Confirmation of Action Letter were discussed on July 16, 1986. The licensee did not identify as proprietary any of the materials provided to or reviewed by the inspectors during this inspection.
- 3. Licensee Action on Previous Enforcement Matters This subject was not addressed in the inspection.
3
- 4. Description of Event
- a. On July 7,1986, the licensee notified Region II by telephone that a UF6 cylinder being shipped from the licensee's facility to a Department of Energy facility had broken free from the truck and fallen on a street in the city of Lynchburg. The initial report indicated that no apparent damage to the cylinder integrity had occurred and no personal injuries had resulted.
- b. Licensee representatives and local law enforcement agencies responded to the scene. Radiation and contamination surveys taken by the licensee indicated no release of the cylinder contents. No external contamination was found on the cylinder in excess of regulatory limits which further indicated that there had been no damage to the cylinder.
The cylinder vent valve cover and plugs were in tact and all seals were in place. Some superficial external damage to the cylinder was visibic, such as scraped paint, and dents in the cylinder neck ring.
- c. The licensee arranged for a portable crane to position the cylinder back onto the trailer as well as to reposition the other cylinder still on the trailer. The cylinders were then chained to the trailer using the lifting pads on the cylinder. The trailer and the two cylinders were then returned to the licensee's facility and off-loaded for further inspection and storage.
- 5. Cause of Events
- a. Each of two cylinders were placed in two supports (" saddles") on a flat bed trailer. Two restraints were placed over the cylinder and fastened to the connections on the trailer bed. The restraints for the cylinder which fell from the trailer consisted of two flat 4" fabric straps with hold downs which passed over the top of the cylinder but did not connect to the cylinder lifting lugs.
The support saddles were not attached or constrained to the trailer bed, except by the weight of the cylinder.
- b. During transit, the truck made a rapid stop which caused the cylinder to move forward in the support saddles and put a twisting load on the straps. One strap failed in part due to dry rot of the material; the other strap failed by tearing. As the support saddles were not constrained they would not resist the forward motion of the cylinder and slid along with the cylinder. Upon striking the forward cylinder, the cylinder slid off the trailer, as did one support saddle. Ilhile it could not be determined which occurred first - the failure of the holddown strap or the sliding of the support saddle-both contributed to the event. Licensee representatives stated that they believed that the strap failed first, which allowed the support saddle to move.
4
- 6. Transportation Regulations
- a. The UF c in the cylinders constitutes low specific activity radioactive materiM1. 10 CFR 71.5 requires that each licensee who delivers licensed material to a carrier for transport shall comply with the applicable requirements of the regulations appropriate to the mode of transport in 49 CFR Parts 170-189,
- b. 49 CFR 173.425 specifies the requirements for transportation of low specific activity radioactive material. When shipped by exclusive use vehicle, the shipment must be loaded by the consignor, who in this case, was the licensee. 49 CFR 173.425(b)(6) requires that the shipment must be braced so as to prevent shifting of the load under conditions normally incident to transportation.
- c. Since the load broke free and fell from the trailer during the stopping of the vehicle, a condition normally incident to transportation, the load was apparently not adequately braced. Failure of the licensee to comply with the bracing requirements of 49 CFR 173.425(b)(6) was identifieo as an apparent violation of 10 CFR 71.5. (70-1201/86-05-01)
- 7. Confirmation of Action Letter
- a. Subsequent to the event, a Confirmation of Action Letter (CAL) was sent by NRC-Region II to the licensee on July 8, 1986. As a result of the CAL, the licensee discontinued all UF cylinder shipments until 6
completion of an NRC review
- b. On July 10, 1986, the licensee sent a letter to Region II detailing the major elements of the corrective action plan to preclude recurrence during future shipments. The major elements included engineering analyses for the tie down and blocking methods, revision of the shipping procedure to address the tie down methods, inspection of the loading and tie down of cylinders, and training of personnel responsible for loading and inspecting the shipment,
- c. On July 11, 1986, Region II sent a letter to the licensee stating that, after a review of the proposed corrective actions, there was no objection to the resumption of UF gshipments following implementation of the corrective actions. Shipm#nts of UF6 cylinders were resumed on July 11, 1986.
- 8. Inspection of Corrective Actions
- a. On July 16, 1986, an inspector observed the preparation of a shipment of UFg cylinders and again reviewed the corrective actions taken by the licen5ee. The inspector reviewed Health-Safety Report No. S-001,
" Engineering Evaluation of Tie-Down Configuration for Transport of UF 6 Cylinders", Rev. 14 to Procedure AS-1111, " Shipment and Receipt of Radioactive Material", and documentation obtained by the licensee 2
5 regarding-the design and construction of trailers used to transport the cylinders and of the test strength for hold-down straps.
- b. The inspector observed the loading of two cylinders onto a trailer and the use of the inspection check-list of Procedure AS-1111. The inspector determined through discussion and review of records that the individual performing the inspections had received training on the requirements and was knowledgeable of the requirements. The inspector also determined that the trailer being loaded was one for which the licensee had documentation of the construction and was of the type considered in the evaluation.
- c. The inspection results demonstrated that the licensee had satisfactorily completed the corrective action plan specified in the letter of July 10, 1986, which was the prerequisite for resuming shipments.
- 9. Enforcement Conference An Enforcement Conference was held at NRC Region II on August 21, 1986, to discuss the circumstances of the event, and the corrective actions taken by the licensee. The following persons were in attendance:
Babcock and Wilcox - Commercial Nuclear Fuel Plant R. A. Alto, Plant Manager W. T. Engelke, Manager, Quality Assurance and Safety K. E. Shy, Health Physicist Nuclear Regulatory Comission R. D. Walker, Acting Deputy Regional Administrator K. P. Barr, Chief, Nuclear Materials Safety and Safeguards Branch D. M. Collins, Chief, Emergency Preparedness and Radiological Protection Branch E. J. McAlpine, Chief, Material Control and Accountability Section J. B. Kahle, Fuel Facility Project Manager i G. R. Jenkins, Chief, Enforcement and Investigation Ccordination Staff G. L. Troup, Senior Radiation Speciali;t, Facilities Radiation Protection Section L. Trocine, Enforcement Specialist During the meeting, licensee personnel presented discussions of the event covering: (1) sequence of the event, (2) root cause of the event, (3) short term corrective actions, and (4) long term corrective actions. The handout presented by the licensee is Attachment 1 to this report. NRC representatives discussed the sensitivity of transportation of radioactivity, and the NRC enforcement policy in this area. I
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QN.F.9-i l ATTACIDIENT I Report 70-1201/ 86-05
COMMERCIAL NUCLEAR FUEL PLANT - BABCOCK & WILCOX - REVIEW OF UF 6 INCIDENT - AGENDA
- PURPOSE ALTO
- CNFP ORGANIZATION ALTO
- BACKGROUND ALTO
- PREP & RELEASE OF THE SHIPMENT SHY
- INCIDENT SHY
- DISPOSITION OF CYLINDERS SHY
- RESUMPTION OF UF 6 SHIPMENTS ENGELKE
- REVIEW OI- ROUTINE SHIPMENTS ENGELKE
- FUTURE NON-ROUTINE SHIPMENTS ENGELKE
SUMMARY
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- ommercia: i\uc.. ear -ue. ..an: _r[aniza:lon CNFP Plant Manager RA Alto QA & Safety Manufacturing Manager Manager WT Engelke DV Ferree i
l I l l Operations Support Specialty Mfg. I Facilities & Svcs Prodn S Matl Ctrl Manager Manager ! Manager Manager DN Zeff CA Moore CW Speight BW Pugh l l I l------------------- T---------"-~~~~~--- F-~~~~----~~~~----- 7 I I I Purchasinn Gen. Accounting Contract Acc' ting Personnel Manager NT Foot JC Frost TJ Lucado - FF Dowdy
CNFP S/ TE Ib 15 to IO
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- 2. FUEL ASSEMBLY AffG.
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- STORACE .{ SH/rrth!:
4.h14/NTENANCE 5 RECE/V/NG/RECE/V/NG /NSPECTION STORAGE l ' ll/ 6. GRID AVG ' 7 41ACN/NE S/DP I4
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,, 8. Off/CES/ PLANT LOCKER R00A1S
- 9. /N- con DETECTOR FABRICATION II /O. CONTAht4VATED WASTE JTORAGE H. GARAGE Yx /2. HEL/UM TRA/LER STORAGE
/3. GUARD HOUSE LEGEND M, RECORDS . STORAGE
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, c* IS. TRA/NING CENTER
%, i GRASS /6. URAN /VA4 HEXAflUORIDE STORAGE v n
.? IZE3El GRAVEL /7.N/TROGEN TANK
.) r";' 1 SURFACE TREATED /8. ECHO 330 BullDING M ASPHALT IZZZD COVCRETE
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COMMERCIAL NUCLEAR FUEL- PLANT - BABCOCK & WILCOX -
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REVIEW OF UF 6 INCIDENT BACKGROUND -
- UF6 AT CNFP ,
- PREVIOUS SHIPMENTS SEPT 1985 .
OCT 1985
- THIS SHIPMENT McGILL $13,221 TRI-STATE $34,839 BRAUNKOHLE $33,800 l
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mP B Equipment Profile Carrier's fleet consists of all new traders
- Six month inspection sheet required on all equipment to assure top l performance and safety
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- Trailers have 45' deck length with sliding boggey system. This system D' allows the cargo to be spanned over
# thirty feet which reduces the chance of deck flexing under heavy concentrated loading conditions
- All trailers equipped with newest
" load-air system" (Aimde with safit/
spring backup susynsion)
+ All trailers equipped with ICC approved bulkhead permanently f'/ attached to the front of the trailer
- Carrier requires radial tires on all l
- tractor / trailer units-increases safety
= ded tie-down feature includes
! seven nylon straps,4" width,
*J secured to trailer deck; nylon straps
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/ equipped with hook and winch on
* *. either end, for additional securing of
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- Chains provided as required j
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j , T Q SHIPMENT 7 - 0'7 - 8 6 . PREPARAT10N INSPECTI0N RELEASE l SIGNI.FICANT SEQUENCE '
- 0F E-V E N T S
, DIS ~ POSITION ~0F THE - -
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BABCOCK & WILCOX - CNFP - P. O. BOX 800 LYNCHBURG, VIRGINIA VEHICLE INSPECTION RECORD TRACTOR: (CIRCLE ONE) TIRES: IS UNSATISFACTORY OVERALL CONDITION: SFACTO UNSATISFACTORY TRAILER: TIRES: TISFACTO UNSATISFACTORY
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3602-B FOREST DRIVE r TO: ALL DRIVERS HAULING HAZARDOUS ALEXANDRIA, VlRGINf A 22302 MATERIAL FOR BRAUNKOHLE TRANSPORT (703)845-0140 . TELEX: 292840 BTUS UR FROM: CHRISTIE CLARK OPERATIONS MANAGER BELOW IS LISTED ALL PERTINENT INFORMATION ABOUT YOUR LOAD AND INSTRUCTIONS ON WHAT TO DO IN CASE OF AN EMERGENCY OR ACCIDENT. PLEASE MAKE YOURSELF FAMILIAR WITH THIS INSTRUCTION SHEET, AND IF YOU HAVE ANY QUESTIONS FEEL FREE TO CONTACT ME AT THE ABOVE PHONE NUMBER. AFTER YOU READ THIS OVER PLEASE SIGN AT THE BOTTOM CERTIFYING YOU HAVE READ AND UNDERSTAND THESE INSTRUCTIONS. ACCIDENT NOT INVOLVING CARGO - FOLLOW THE INSTRUCTIONS PROVIDED BY YOUR EMPLOYER AND NOTIFY BRAUNKOHLE TRANSPORT USA (703) 845-0140. ACCIDENT INVOLVING CARGO - YOU ARE CARRYING " NATURAL URANIUM HEXAFLUORIDE LOW SPECIFIC ACTIVITY " ALSO KNOWN AS UF6,LSA . SEE ATTACHED COPY OF DOT P 5800.3 GUIDE 66. THIS MATERIAL IS IN SOLID FORM. CONTAINER MAY EXPLODE IN HEAT OF FIRE. IT IS SLIGHTLY RADIOACTIVE. IT DOES REACT WITH AIR AND WATER. RADIOACTIVE HAZARD - LOW AMOUNT OF RADIOACTIVITY. EXTERNAL HAZARD IS LOW AND DOES NOT IMPOSE AN IMMEDIATE THREAT. INTERNAL HAZARD WILL BE CAUSED PROM BREATHING OR SWALLOWING THE MATERIAL AND THROUGH OPEN CUTS AND WOUNDS. I POISON CORROSIVE - UPON CONTACT WITH AIR UF6 RAPIDLY REACTS WITH AIR OR I WATER TO FORM HYDROGEN FLUORIDE (HF) GAS AND UO2F2, WHICH IS READILY VISIBLE AS A WHITE CLOUD AND SETTLES ON SURFACES AS A DUST. THE CLOUD FROM A LARGE RELEASE MAY OBSCURE VISIBILITY. i CONTACT WITH THE SKIN MAY CAUSE SKINBURNS. BREATHING OF DUST OR FUMES MAY CAUSE LUNG AND/OR KIDNEY DAMAGE. DESCRIPTION UN#: UN2978 NATURAL URANIUM HEXAFLUORIDE, LOW SPECIFIC ACTIVITY, RADIO-ACTIVE MATERIAL NOTIFY: (1) YOUR EMPLOYER, (2) LOCAL LAW OFFICIALS, (3) MEDICAL RESCUE IF THERE ARE INJURIES, AND (4) BRAUNKOHLE TRANSPORT USA. ACTIONS: ADMINISTER FIRST AID AS NEEDED, MARK AREA WITH REFLECTIVE DEVICES AND/OR FLARES, MAINTAIN CROWD CONTROL, AND DIRECT TRAFFIC AS APPLICABLE. AWAIT LOCAL LAW OFFICIALS. I/WE CERTIFY THAT I/WE HAVE READ AND UNDERSTAND THESE INSTRUCTIONS THIS {l DAY OF _-do h; 196[a.. SIGNED: - d SIGNED:
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, ILE-6 SHIPMENT 7 - 0~7 - 8 6 . SIGNIFICANT SEQUENCE OF EVENTS .. l 1300 K. SHY RECEIVED NOTIFICATION OF THE INCIDENT. ' 1320 W. T. ENGELKE, G. B. LINDSEY, K. SHY ARRIVED AT THE INCIDENT SCENE. t RELOADED 0NTO
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1440 SECURED' SCENE OF INCIDENT . LYNCHBURG P0 LICE RE0PENED - DRIVs'TU M A~Y F' L'0 W'E R NORM'AL TRAFFIC. 1450 UF 6 CONTAINERS RETURNED TO -T H E C N F P'. ,
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DETAILED OF I 1300 K. SHY RECEIVED H.0 T I F I C A T I O N OF l INCIDENT. 1301 K. SHY N0TIFIED W. T. ENGELKE. 1302 W. T. ENGELKE NOTIFIED
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R. A. A L T 0. K. S 11 Y N O T I F I E 'D K. H. CAMPBELL, M A I N T E N'A'N C E S U P E R V.I S 0 R, REQUESTING CRANE B E' SENT TO SCENE OF INCIDENT. 1313 R. A. ALTO N O.T I F I E D E. McALPINE, USNRC REGI0N II, 1317 R . A. ALTO N.0TIFIED M. PENNINGTON, V A. 0FFICE OF EMERGENCY SERVICES. 1320 W. T. ENGELKE, G. LINDSEY, K. SHY ARRIVED AT THE INCIDENT SCENE. I- ,m -
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1325 R. A. ALTO DEPARTE.D CNFP ENROUTE - TO INCIDENT SCENE, DIRECTING D. ZEFF - TO TAKE CHARGE OF F U T U R.E' NOTIFICATIONS AND .. . C0MMUNICATIONS. ARRIVED INCIDENT
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I 1335 C R'A N E AT T H E~ j SCENE. 1335 T. STONE, V A. R A D:I O L O G I C A L
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HEALTH D E P'A R T M E N T' C A L L.E D- D. ZEFF 0FFERI~NG A S.S I.S T A N C E IF REQUIRED. M R. ZEFF ASSURED M~R. STONE THE ' I N' C I D E N T .W A S U.N D E.R .C O N T R O L, AND
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THANKED H,I M FOR HIS OFFER. { 1400 D. JONES, USNRC REGION II ARRIVED AT THE INCIDENT SCENE. l 1 1400 R. A. ALTO CALLED D. ZEFF AND i UPDATED HIM ON THE CONDITIONS AT THE INCIDENT SCENE. 1408 .D . ZEFF CALLED K. BARR AND UPDATED HIM ON THE STATUS OF ! THE INCIDENT. ,
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1420 D.. Z E F F N O T I F I.E D T. STONE 'T H.A T - ~ INCIDENT WAS ESSENTIALLY .
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ABATED. 1420 UF 6 CONTAINER RELOADED ONTO L TRUCK. , f 1430 D. ZEFF NOTIFIED M. PENNINGTON : THAT' INCIDENT WAS ESSENTIALLY l ABATED. l j . . 1440 SECURED SCENE OF INCIDENT - LYNCHBURG POLICE REOPENED MAYFLO'WER DRIVE .T 0 NORMAL i TRAFFIC. 1450 UF 6 . CONTAINERS RETURNED TO ! CNFP. - v . ! 1520 D. ZEFF NOTIFIED E. McALPINE THAT INCIDENT HAD BEEN ABATED. 1530 D. ZEFF .N0TIFIED N. KETZLACH ; THAT INCIDENT .HAD BEEN ABATED. , 4 l
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- ACTIONS TO RESUME UF6 SHIPMENTS
- ASSESSMENT O F= OTHER CURRENT SHIPMENTS
- FUTURE NON ROUTINE SHIPMENTS i
a e i I I I l i !
t l ACTIONS TO RESUME SHIPMENTS
- Procedure specific To UF6 Engineering Evaluation
- Training l
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t R E G U L_ A T I O N TO BE MET
" Shipment must be braced so as to prevent shifting of Inding under conditions normally incident to transportation" C 49 CFR Bection 173.425 (6) 3 l
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CONDITIONS OF N O R M Al_. T R A N S P O R T A T I O N '?
- Panic Stop?
- Turn Radium and Speed?
- Road Conditions?
l Pot Holm
- Shoulder Height Road Grade l
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CONSULTANTS Bert Jody - President, Davia Transport Phillip Smith - Engineer, Liddell Birmingham I l l 1
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ENGINEERING CRITERIA
- Trailer and Saddle Gt ruct ure 3 to 1 Safety Factor
- Tim Down
- 1. 5 to 1 Safety Factor
( 49 CFR Section 393.102 ) n 1
e UF6 INSPECTION PROCEDURE
- COC on Trailer Structure for 3 to 1 Safuty Factor
- COC on Tim Down Strap and Attachments for 1. 5 to 1 Safety Factor
- Inspection of Trailer Structure for Degredation from Umm
( Cracked Welds, Beams, Mimming Bolta, etc. )
- Inspect Straps and Connections for deterioration (Tears, Cuts, Broken Stitches, Dry R o t-)
- Other Routine Inspections
( T i res, Lights, Placards, etc. )
- Cylinder Inspection on Valve Covers and Tamper Semis
- Inspect Container Position on .
Saddlem and Strap Tightnema i l l
OTHER FORMS C U R R E N T L_ Y SHIPPED I
- Fuel Ammemblies l
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- Pellet Shipments to Cogema
- Scrap Pellate to GE
- ECHO 330 Equipment i
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[. . l FUEL ASSEMBLY S il l P l1 E ll T m .
. m , O O O O i
CHAIN TIE DOWN j j IUl 3/8"-IIIGH STRESS [y 3. 3 3 T, ) Y lui Tcc" e r O O 7000 ts.
/ WORK LOAD ,
/,l >2.5:1 SAFETY FACTOR i
/ J gi
>33Y i
\ % LUI en) i i IL---U i
Li n' TCC<Wi-i i g i k.in. i i :n s . i FLAT BED TRAILER 1 0 1
r a- _ Shaded Areas
\ Indicate Double Tier r
4 x 4 x 7' Upright j, Banded to Drums - l 1 2 Pls.
/
Capacity - 50 1st Tier - 36 - 2nd Tier - 14 - ( l f 2 x 4 Nailed ( f To Floor J g 4 x 4 Uprights l l l l Steel Band
/
l /- 1 " Boards 5 [ Steel Band
-amununummusummumeaM 2 x 4 Nailed to
, [ Floor
i l EClio 330 ' TRAILER LAYOUT i Straps Container With Container With Manipulator Support Plate o 1 c y ya ' o'-
~ '
O --O A d O Front v ru Control Room er
- Support and Transportation Bay of ECIIO 330 Storage Area
1 l l l l 1 i l l S C H E D U L_ E Engineering ammensment of our present routine shipments has concluded their adequacy. Formal engineering analymim will be completed by the end of October I t l l r t f
. _ - _ _ . - _ . _ _ . - _ v .- _ .
FUTURE NON ROUTINE SHIPMENTS Definition - Any radiometivm material e h i pmene n t that dome not have a sspecific procedure r ate 1 at i n g ta that form.
a . , HANDLING NON ROUTINE SHIPMENTS Section 7 of our Procedure AS1111
" Shipment and Receipt of Radioactive Materialm", will be strengthened to include the following instructiones
- Research License and Regulations
- Prepara Written Specific Instructions for the Activity
- Management Review of Written Instructions to Verify Propors
- license authority
- regulations considered
- analysis of packaging methods analysis of transport methods labeling requirements inspection criteria document requirements instructions for driver
l COMMERCIAL NUCLEAR FUEL PLANT - BABCOCK & WILCOX - REVIEW OF UF 6 INCIDENT
SUMMARY
- SENSITIZED
- STRENGTHENED UF6 PROCEDURE
- ASSESSED ALL OTHER CURRENT METHODS
- REVISED APPROACH TO GENERAL PROCEDURE' I
i l I 1
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