ML20132C066
| ML20132C066 | |
| Person / Time | |
|---|---|
| Issue date: | 09/23/1985 |
| From: | Odegaarden R NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| To: | NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| References | |
| NUDOCS 8509260401 | |
| Download: ML20132C066 (27) | |
Text
,
e SEP 2 31985 N TO S UDChlin 396-SS
!! Eft 0RANDLH FOR:
The Files FRCit:
Richard H. Odegaarden, FCTC, f@tSS SL53 JECT:
SUtHARY OF MEETING WITil BABC0CK & UILCOX COMPANY CONCERNING f;0 DEL NO. DHTF S!!IPPING CCrlTAINER Attendees BMI NRC J. C. Del Signore W. H. Lake J. P. Hatters ll. W. Lee F. ft. Alcorn C. R. Parotta R. H. Odegaarden Introduction A recting was held at Silver Spring, t!aryland, on September 19, 1985, to discuss a proposed application for a fuel pellet shipping container (l'odel No. DHTF).
7 Discussion Babcock & Wilcox (B&W) proposes to obtain an NRC certificate of compliance for a new pellet shipping container. The package is basically a 9-1/2" x 9-1/2" x 17-1/4" high inner container centered within a DOT Specification 17C steel drum with industrial cane fiberboard filler. The gross weight is 480 pounds. The inner vessel is sealed with a gasketed, flanged closure. B&W has conducted a nunber of 4-foot and 30-foot drop and puncture tests on the package.
Water inleakage was assumed in the nuclear criticality analysis for the single package and array calculations. The fire test conducted by BMI showed the inner package gasket would be lost during the fire test.
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dFFICIAL RECORD CC l
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i A ouestion was raised concerning the shipment of powders within the j
packaging if the inner container seal is lost due to the fire test. Bul will consider the problen.
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The drawing should specify the thickness of the drun materials of construction and the bolt closure type (i.e., dropped forged lugs with i
one lug threaded for 5/8-inch bolt and nut). The welds, welder qualifications, and inspection criteria should also be specified along with bolt closure
^
torquing requirenents.
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Enclosed are the agenda and copies of the meeting view graphs.
I OrfginiSt.gedW l
Richard k.NEd'eg8n, Project l'.anager Transportation Certification Branch Division of Fuel Cycle and
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Material Safety, f#tSS I
Enclosures:
As stated t
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PROPOSED AGENDA B&W-NRC MEETING
-THURSDAY,19 SEPT. 85, 0900 HOURS SILVER SPRINGS, MD.
LICENSING OF THE DHTF SHIPPING CONTAINER 1.
NEED FOR AND INTENDED USE OF._THE PACKAGE 2.
PACKAGE DESCRIPTION AND EARLY DESIGN TESTS 3.
GENERAL STANDARDS 4.
NORMAL CONDITIONS TESTING & RESULTS 5.
ACCIDENT CONDITIONS TESTING & RESULTS 6.
CRITICALITY EVALUATIONS 7.
QA PROGRAM 8.
OPERATING PROCEDURES, ACCEPTANCE TESTS, AND MAINTENANCE PROGRAM 9.
LICENSE APPLICATION
NEED FOR AND INTENDED i
USE OF THE PACKAGE i
i 1.
NEED 4
O CONSUMERS DOWNLOADING
'o 1973 IAEA STANDARDS J
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2.
ROLES FOR THE DHTF
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PELLETS TO FRANCE 1
o BACKUP TO UNC-2901 1
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o OTHER POTENTIAL INTERNATIONAL CONTRACTS i.
l 3.
USE OF THE DHTF
{
0 PRODUCT 00 PELLETS i
2 o
SCRAP PELLETS AND POWDER i
l 0
FISSILE CLASS II AND III 4
1 o
TRANSPORT INDEX OF 1.0 l,
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PACKAGE DESCRIPTION 1.
MAJOR COMP 0NENTS o
DOT 17C 55-GALLON DRUM (34"x22.5" I.D.)
0 14 GAUGE SS INNER CONTAINER (9h"x9h"x17%")
o INDUSTRIAL CANE FIBERB0ARD FILLER 2.
OTHER FEATURES o
TARE WEIGHT OF 220 LBS.
o GROSS WEIGHT OF 480 LBS.
o PAYLOAD OF 100 KGSU 3.
BENEFITS
'o COST o
RUBBER GASKET o
VERTICAL LOADING AND UNLOADING o
BOLTS o
STRENGTH 6
i EARLY DESIGN TESTS A.
BW-170' INSULATION 3
o HEAVY (40 LBS/FT )
I o
EXPENSIVE o
NOSTRUCTURALSTRENGiH o
FAILED l
B.
PHENOLIC 40AM j
3-l 0
LIGHT (9 LBS/FT )
I o
PASSED o
NO LONGER MANUFACTURED I
o LONG LEAD TIMES C.
BW-225 INSULATING BOARD o
1" DISKS WITH KA0 WOOL, INTERSPERSED i
o EXPENSIVE o
LITTLE STRUCTURAL STRENGTH o
SURVIVED 30 FT DROP I
o FAILED A SECOND 30-F00T DROP D.
FIBERBOARD 3
o 24 LBS/FT l
0 STRUCTURAL STRENGTH l
0 INSULATION l
1 i
o SURVIVED FOUR 30-FT DROPS 4
I i
I GENERAL PACKAGE STANDARDS l
COMPLIANCE 10CFR71.43 - ALL PACKAGES (a)
SMALLEST DIMENSION 2.10 CM X
(b)
TAMPER SEAL X
(c)
POSITIVE FASTENING DEVICE FOR I.E.
X
)
(d)
NO SIGNIFICANT CHEMICAL / GALVANIC i
REACTIONS X
I (e)
VALVES N/A i
(f)
NC TEST CRITERIA X
j (9)
EXTERNAL SURFACE TEMPERATURE < 122*F X
i i
(h)
NO VENTING X
j 10CFR71.45 - LIFTING a TIE-DOWN STDS.
N/A i
10CFR71.47 - EXTERNAL RADIATION STDS.
4 o
<200 MREN/HR ON EXTERNAL SURFACE X
o TRANSPORT INDEX < 10.0 X
l j
10CFR71.55 - FISSILE MATERIAL PACKAGES l
l (a)
COMPLIANCE WITH 71.41 - 71.47 X
i i,
(b)
SINGLE PACKAGE SUBCRITICAL WITH INLEAKAGE X
l (c)
INLEAKAGE EXEMPTION N/A i
(d)
NC TEST CRITERIA X
(e)
AC TEST CRITERIA X
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I GENERAL PACKAGE STANDARDS (CONT'D)
PAGE 2 10CFR71.59 - FISSILE CLASS 11 PACKAGES COMPLIANCE i
'(a)
CALCULATION OF TRANSPORT INDEX X
i (b)(1)
SUBCRITICAL:
SX/ UNDAMAGED X
l (b)(2)
SUBCRITICAL:
2X/ DAMAGED /INLEAKAGE X
(c)
TRANSPORT INDEX < 10.0 X
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TEST CRITERIA i
NORMAL CONDITIONS 10CFR71 o
NO LOSS OR DISPERSAL OF CONTENTS 43(f) o NO INCREASE IN EXTERNAL RADIATION LEVELS 43(f) o SINGLE PACKAGE SUBCRITICAL 55(d)(1) o GE0 METRIC FORM 0F CONTENTS NOT SUBSTANTIALLY
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ALTERED 55(d)(2) o NO LEAKAGE OF WATER INTO INNER CONTAINER 55(d)(3) o
<5% REDUCTION IN EFFECTIVE VOLUME OF PACKAGING 55(d)(4)(1) o
<5% REDUCTION IN SPACING (I.c. To 0.c.)
55(d )(ti)(11) o N0 H0LE IN DRUM LARGE EN0 UGH TO PASS A 10 CM CUBE 55(d )(4)(111)
ACCIDENT CONDITIONS o
SINGLE PACKAGE SUBCRITICAL (DAMAGED) 55(e) o 2X SUBCRITICAL (DAMAGED + INLEAKAGE) 59(b)(2) j AS DETERMINED BY o
VISUAL INSPECTION l
o f1EASUREMENT BEFORE AND AFTER TESTING DRUM HEIGHT, WEIGHT, DIAMETER INNER CONTAINER DIMENSIONS DISK DIMENSTONS o
PRESSURE CHANGE (TWO TESTS) 1
NORMAL C 0 fl D I T I O N S TESTING 8
10 CFR 71.71 (A) TliROUG1 (C) 8 SAFETY SERIES fl0. 6 IAEA SAFETY STN0ARDS - 1973 AS #EEED SECT 10tlS709-714 8 USED 1 CORAllER TliR00GlKUT NOR1AL CGOITIQlS TESTING "D01"
- PRESSURE
- VACUlft
- WATER SPRAY
-8l' DROPS
- 6 4' DROPS (DUE T0 tGi-SYtfETRICAL DESIG1)
-COMPRESS 10ft
- pef 1ETRAT10ft 8
CGlCLUSlaiS
-C0f1PAREDTESTRESULTSTOCRITERIA LISTEDIf110CFR71.43(F)
N1D71.55(D) 4
FIGURE 1 l
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D13TF CONTAINER MARKINGS E
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Container ild painted to indicate position of inner container (to scale)
'301 N
with relation to lid.
4 The numbering system will be used to aid in drop y
f testing.
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C ITAINER 13D Vertical stripes to show relative position of the 4 corners of the inner container.
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F i
C. of G. indicator spaced 90 degrees apart.
l CONTAINER SIDE VIEW L
f)
Container botton painted 4
like lid to indicate
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position of inner container.
W s
5 CONTAINER BCTTTOM
ACCIDENT CONDITIONS TESTING 8
10 CFR 71.73 (A) THR00Gil (c) 8 SAETY SERIES to. 6, IAEA SAFETY STNlIMRDS - 1973 AS #ENED SECT 106 719 - 721 8
6 CQlTAlf1ERS USED FOR ACCIDENT 00NDITI0lS TESTIfE "D02" 111R00GH
- 997n 8
1 CQiTAlfER USED FOR 50' Iff ERSION TEST "D08" l
8 6 30' DROP TESTS,1 ER DfU) 8 24 40" Pl!ETURE TESTS, 4 ER DRUi 8
TIERIAL TESTS - ALL 6 DRLIS 8
3' IfTERS101 - f0T ERFORED, ilATER IN LEAKAGE ASSllED Ifl NUCLEAR SAFETY N{ALYSIS 8
50' lifERSIQ1 - CQiTAliER - 003 (ll1DAf%GED)
O CmniISIWS:
- NUCLEAR SAFETY BASED 01 l#1C-2901 CALCULATIQ6
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FIGURE 1 i
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A Q
This angle determined by the 1
A V
Center of Gravity of container such that a line intersecting the C of G and the point of im-i k
pact will be perpendicular with i
relation to the drop pad.
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FIGURE 4 I
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inner container M;
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for horizontal f
drops (puncture test) k l
Point of impact l
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40" 40"-
40" it it it r-f f
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4 DHTF SHIPPING CONTAINER NUCLEAR CRITICALITY SAFETY 3
1.
Safety of DHTF assured by reference to UNC-2901.
2.
DHTF outer container same size and shape as l
UNC-2901, 3.
Centered DHTF inner container same shape but 1/3 smaller than centered inner container of UNC-2901.
1 4.
Type, form and packagi.ng of DHTF material same as for UNC-2901.
5.
Maximum number of DHTF containers per shipment, fissile classes II and III, same as number of 4
UNC-2901.
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UNC-2901 VS. DHTF 1
1.
Outer Drum
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UNC-2901 DHTF-j Height 34.2 in.
34.6
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0.D. - normal 22.6 in.
22.6 in.
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0.D. - accident 21.1 in.
> 21.3 in.
j-Material Carbon Steel Carbon Steel i
4 j
Thickness 0.12 cm 0.15 cm i
i 2.
Insulation between outer and inner drum A.
UNC-2901 array K-eff maximum when-insulation assumed to be void, i
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B.
UNC-2901 array with maximum containers safe t
When insulation assumed to be void, j
j C.
Insulation therefore not necessary to safety j.
of either UNC-2901 or DHTF.
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. -,,.. -. -. -,. _,,. _.,. _,, -,..., -,,.. -.. ~... -
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UNC-2901 VS, DHTF 3.
Inner Container i
UNC-2901 DHTF Material Carbon Steel Stainless Steel l
Thickness 0.19 cm 0.20 cm Dimens10ns 10-3/4"x10-3/4"x29-1/2" 9-1/2"x9-1/2"x17-1/4" 4.
Centerboard UNC-2901 DHTF Alternate Pellet l
Packaging 3/4 inch wood 1/2 inch SS Bagged U0 1/2 inch SS 1/2 inch SS 2
i 5.
SNM Packages Per Container UNC-2901 DHTF l
Dimensions 9-1/8"x8-O4"x4-1/4" 9-1/8"x8-1/4"x4-1/4" Number:
i i
a) Alternate Pellet l
Packaging 6
4 l
b) Bagged U02 4 plus 2 Al 4
blocks i
4 i
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UNC-2901 VS, DHTF 6.
Internal Moderation
-A.
Normal conditions - UNC-2901 required specific packaging and maximum H/U or amount CH -
2
- DHTF scme requirements B.
Accident conditions - UNC-2901 shown safe with full water flooding for both packaging methods.
- DHTF therefore safe with flooding
4-1 SHIPPING. CONTAINER l
B f1ANUAL 1
5 3
g NRC APPROVED QA PlR1 IRTED 12-17-34.'
8 COVERS CRITERIA ADDRESSED IN 10 CFR 7L SUBPART H I
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. 0PERATING AND MAINTENANCE PROCEDURES 1
8 APPROVED BY PLANT FWMGEfBff 8
SlEJECTS COVERED
- PACKAGING
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- SHIPPING
- LABELING
- LOADING
- LNLOADING
- STORAGE
- MAINTENANCE 8
KEY POINTS COVERED BY PROEDURE
- EQUIPfENT NEEDED
- OPERATOR QUALIFICATION (IF NEEDED)
- ROUTINE INSPEUTION AND MAINTENANCE REQUIRE E NTS
~
AND ACCEPTANCE CRITERIA
- STEP BY STEP MEm0D0 LOGY
- IDENTIFY RESPONSIBLE GFP GROUPS 4
- IhALE SAFETY AND NUCLEAR SAFETY REQUIREMENTS i
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1 0
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i.
OPERATING PROCEDURES 4
LOADING THE DHTF I
1.
PELLET BOXES o
MAXIMUM U, U235, PLAS, TIC o
B0X LAB L 2.
DHTF PACKAGES o
OUTER DRUM - HOLES AND DENTS o
INNER CONTAINER GASKET - RIPS AND H0LES 1
s o
INNER CONTAINER BOLTED (8) 4 o
FIBERB0ARD LOADED TO TOP 0F DRUM 4
c o
DRUM LID - GASKET AND BOLTED t
o TAMPER SEAL o
YELLOW RADI0 ACTIVE LABELS o
PERMANENT NARKINGS I.
l 3.
SURVEYS 0
1 2200 DPM PER 100 CM2 (REMOVABLE) 1 200 MREM PER HOUR ON CONTACT o
1 10 MREM PER HOUR AT 1 METER
.o I
4.
SHIPMENT RECORDS l
j o
SNM CONTENT OF EACH PELLET B0X AND EACH DHTF o
TAMPER SEAL RECORDS 1
o FORM NRC-741 o
PACKAGE INSPECTFON RECORDS i
o SURVEY RESULTS i
?
I t-
i j
OPERATING PROCEDURES UNLOADING THE DHTF
[
1.
SHIPMENT RECORDS i
o FORM NRC-741 o
SNM CONTENT OF EACH PELLET B0X AND EACH DHTF o TAMPERSEAL RECORDS 2.
SURVEYS
)
o 1 2200 DPM PER 100 CM2 (REMOVABLE) i o
1 200 MREM PER HOUR ON CONTACT
{
o 1 10 MREM PER HOUR AT 1 METER 3.. TAMPERSEAL OVERCHECK l
4.
UNLOADING i
j 5.
RECEIVER'S SNM VALUES i
o PELLET BOXES WEIGHED o
PELLET BOXES-SAMPLED i
l t
4 l
I I
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.-.,a...-,-,_-...
OPERATING PROCEDURES TRANSPORT OF EMPTY PACKAGES 1.
DHTF INSPECTION o
EMPTY o
INNER CONTAINER GASKET - ATTACHED o
INNER CONTAINER GASKET - RIPS AND H0LES o
INNER CONTAINER BOLTED (8)
I o
FIBERB0ARD LOADED TO TOP 0F DRUM o
DRUM LID BOLTED 4
o
" EMPTY" LABEL 2.
SURVEYS
'o 1 2200 DPM PER 100 CM2 (EXTERNAL) o 1 22,000 DPM PER 100 CM2 (INTERNAL) 0 1 0,5 MREM PER HOUR ON CONTACT 3.
SHIPMENT RECORDS 4
o SURVEY RESULTS
)
)
ACCEPTANCE TESTS 1.
VISUAL INSPECTION:
OUTER DRUM 4
o N0 H0LES NOR DENTS >'k-INCH DEEP o
DRUM LID GA.SKET - NOT BROKEN OR DETERIORATED o
DRUM LID LIP AND TOP DRUM CURL NOT DAMAGED o
VENT H0LES (k-INCH DIAMETER) 2.
VISUAL INSPECTION:
0THER o
INNER CONTAINER GASKET - N0 H0LES OR TEARS o
INNER CONTAINER BOLTS (8 a 3/8 INCH) 4 o
FIBERB0ARD LOADED TO TOP OF THE OUTER DRUM
.o INNER CONTAINER WELDS (7X) 3.
COMPONENT CERTIFICATIONS i
o DOT 17C OUTER DRUM o
FIBERB0ARD o
INNER CONTAINER GASKETS j
o SS PLATE o
CS ANGLE AND PLATE
- 4.. DIMENSIONS OF INNER CONTAINER
. ~ - -,
l MAINTENANCE PROGRAM 1.
DHTF PACKAGE o
NOT A PRESSURE VESSEL o
N0 SHIELDING MATERIALS o
NO COOLING SYSTEM o
N0 VALVES o
NO MOVING COMPONENTS 2.
PROGRAM o
INSPECTION PRIOR TO EACH USE o
SIDESTREAM
.o REFURBISH PRIOR TO NEXT USE 9
S i
1
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0.4 -
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10 12 14 16 TIME (HRS)
Zone 1 Zone 2, Reg ulatory
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