ML20151C790
| ML20151C790 | |
| Person / Time | |
|---|---|
| Site: | 07109145 |
| Issue date: | 05/28/1987 |
| From: | LN TECHNOLOGIES CORP. (FORMERLY LONDON NUCLEAR SVCS |
| To: | |
| Shared Package | |
| ML20151C776 | List: |
| References | |
| WM-030, WM-30, NUDOCS 8807220182 | |
| Download: ML20151C790 (18) | |
Text
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li TITLE OPERATING PROCEDURE FOR TYPE A SERIES 50 CASK3 TECHNOLOGIES
.C O APO A ATION
,3 COPYRIGHT C 1987 BY LN TECHNOLOGIES CORPORATION ALL RIGHTS RESERVED.
NO PART OF THIS DOCUMENT MAY BE REPRO-DUCED OR TRANSMITTED IN ANY FORM OR BY ANY MEANS, ELECTRONIC OR MECHANICAL, INCLUDING PHOTOCOPYING, RECORDING OR BY ANY INFORMATION STORAGE AND RETRIEVAL SYSTEM, WITHOUT PERMISSION IN WRITING FROM LN TECHNOLOGIES CORPORATION, EXCEPT FOR STRICTLY CONTROLLED DISTRIBUTION, FOR EVALUATION PURPOSES.
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REVISION PAGE
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WM-030 B
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TABLE OF CONTENTS a
Page-l.0 PURPOSE 3
1 2.0 APPLICABILITY 3
3.0 DEFINITIONS 3
4.0 REFERENCES
3 i
5.0 RESPONSIBILITIES 4
6.0 INSPECTIONS AND SURVEYS 5
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6.1 Receipt Inspection 5
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6.2 Preshipment Inspection 6
1 7.0 CASK MOVEMENT 7
l 7.1 Removal from Trailer 7
i 7.2 Installation on Trailer 8
8.0 CASK OPERATION AND LOADING 9
8.1 Primary Lid Removal
.9 8.2 Secondary Lid Removal 11 8.3 Loading an Empty Liner into the' Cask 12 8.4 Loading a Prefilled Liner into the Cask 12 8.5 Loading Pallets into the Cask 12 8.6 Installing Secondary Lid 13 8.7 Primary Lid Installation 14 9.0 UNLOADING THE CASK 15 1
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REVISION PAGE WM-030 B
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W 1.0 PURPOSE The purpose of this procedure is to provide operating l
instructions fo'r all LN Type A, Series 50 radioactive materials shipping casks.
2.0 APPLICABILITY l
This procedure is applicable to all LN Type A Series 50 shipping casks (Certificate of Compliane USA /9145/A).
This procedure may be used in its entirety as is or incorporated into the policies and procedures of a registered user.
3.0 DEFINITIONS h
l 3.1 LN - LN Technologies Corporation 3.2 U.S.
NRC - United States Nuclear Regulatory Commission 3.3 C of C - Certificate of Compliance issued by the U.S.
NRC 3.4 Primary lid gasket - Seal placed between the top of the cask body and the underside of primary lid perimeter.
3.5 Secondary lid gasket - Seal placed between the top of the working opening of the primary lid and the underside of secondary lid.
3.6 Ratchet binder - Mechanical turnbuckle used in securing the primary lid to the cask body.
4.0 REFERENCES
4.1 Code of Federal Regulations, 10CFR71.12.C (3) 4.2 Code of Federal Regulations, 49CFR173.471 4.3 U.S.
NRC Certificate of Compliance for USA /9145/A
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REVISION
@ AGE WM-030 B
4 of 18 4.4 LN Technologies Drawing No. 5025-M-2010, "LN Type A Transportation Casks - Series 50 Cask General Arrangements" 4.5 Code of Federal Regulations, 49CPR, Parts 100-177 4.6 LN Procedure WM-031, "Maintenance and Inspection Procedure for Type A, Series 50 Casks" 4.7 LN Procedure WM-Oll, "Soap, Bubble Leak Test of LN Type A Shipping Cask" 4.8 LN Procedure OA-001,."Procedure and Instruction Preparation and Control 4.9 LN Procedure UA-Ol'1, "Proce'du re for Identification, Storage and Retrieval of Quality Assurance Records" 4.10 LN Quality Assurance Manual i
4.11 Code of Federal Regulations, 10 CFR 71.47 and 71.87 4.12 Code of Federal Regulations, 10 CFR 20.205 O
5.0 RESPONSIBILITIES 5.1 All users of a cask shall ensure that the following minimum requirements have been completed prior to use j
or operation of the cask.
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5.1.?
A Certificate of Compliance (C of C) for each cask and all the documents referenced by the C of C which relate to the use and maintenance of the cask are on file.
5.1 2 User has registered as a user of this certified cask with the U.S.
NRC in accordance with
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References 4.1 and 4.2.
5.1.3 The cask has been inspected under a quality assurance program to verify its compliance with the terms and conditions of the issued C of C (Reference 4.3)
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5 of 18 5.2 All users of a cask shall comply with the following minimum requirements when using a cask.
5.2.1 The cask is loaded and closed in accordance with this procedure or a. procedure which includes all provisions of this procedure.
5.2.2 The cask is loaded in accordance with the requirements and restrictions stated in.C of C (Reference 4.3).
5.2.3 The shipment meets-all of the applicable requirements established by the Department of Transportation, U.S.
Nuclear. Regulatory Commisssion, burial site disposal criteria and burial site licenses.
6.0 INSPECTIONS AND SURVEYS O
Attachment A to this procedure can be used as a checklist in performing the following requirements:
6.1 Receipt Inspection 6.1.1 Perform radiation and external contamin'ation a
surveys on both the shipping cask and the transport vehicle.
Report loose and fixed contamination levels in excess of the limits stated in Reference 4.5 to the Transportation Department, LN Technologies Corporation.
4 6.1.2 Inapect the tiedown lugs and shackles on cask and trailer for cracks and wear.
6.1.3 Inspect the tiedown cables for damage such as broken' wires, crimped cables or frayed cables.
6.1.4 Inspect the tiedown cable ratchet binders / turn-buckles for damage.
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6.1.5 Ensure that primary lid and secondary lid lifting lug covers are present.
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REVISION PAGE WM-030 B
6 of-18 6.1.6 Ensure that all secondary lid hold-down nuts are present.
t 6.2 Preshipment Inspection Items covered under Section 6.2 may also appear in Section 8.0 of this procedure and Reference 4.6.
Redundant innpections of these items' is not required.
In addition, inspections of items not operated by the user, such as inspection of the primary or secondary lid gasket when the respective lid seal wire has not been removed, are not required.
Perform the following appropriate steps:
6.2.1 Inspect the c _condary lid gasket for cracks,
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nicks and tears which would affect proper sealing.
Ensure the gasket has been replaced within the last twelve months.
This inspection is not required if the primary lid seal wire is present and intact.
6.2.2 Inspect the primary lid gasket for cracks, nicks and tears which would affect proper sealing.
Ensure the gasket has been replaced j
within the past twelve months.
This inspection is not required if the primery lid seal wire is present and intact.
6.2.3 Ensure the cask ratchet binders are in proper j
working order and tightened.
6.2.4 Inspect the ratchet binder handle hold-down straps.
6.2.5 Ensure the cask to trailer tiedown cables are i
tight.
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6.2.6 Inspect the secondary lid hold-down studs for excessive wear or cross threading.
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l 6.2.7 Inspect the secondary lid hold-down nuts for wear or damage caused by cross-threading or over torquing.
6.2.8 Secondary lid alignment pins should engage secondary lid.
Torque down secondary lid-per Section 8.6.
6.2.9 Ensure lock wires are installed through two secondary lid hold-down studs.
6.2.10 Ensure primary lid and secondary lid lif t lug covers are installed.
6.2.11 Ensure the primary lid vs,nt plug is properly sealed and installed.
6.2.12 I.ispect primary lid alignment narks for flaking i
or fading paint.
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6.2.13. Primary lid alignment pins should engge primary lid.
6.2.14 Inspect trailer tiedown points for cracking.
Tighten ratchet binders.
f.2.15 Ensure that a leak test has :been performed on i
the cask within the last twelve months (Reference 4.7).
6.2.16 Conduct radiati on and cont amination surveys to ensure cask meets the requirements of References 4.5 and 4.11.
6.2.17 Ensure lock wire seals are installed through the prtaary lid and one cask lifting lug.
7.0 CASK MOVEMENT 7.1 Removal from Trailer If is it necessary to remove cash from trailer proceed '
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as follows:
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REVISION PAGE WM-030 B
8 of 18 7.1.1 If cask is equipped with raincover, and it has not been removed, remove the raincover from the cask.
7.1.2 Loosen ratchet binders / turnbuckles as necessary to remove pins from shackles at cask end of
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tiedown system.
7.1.3 Remove pins from shackles.
7.1.4 Loosen cask shear blocks or retention ring as necessary.
4 CAUTION:
CASKS ARE EQUIPPED TO BE LIFTED BY FOUR (4)
LIFT LUGS ON THE CASK BODY.
PRIMARY-LID LIFT LUGS ARE NO? CAPA2L'. OF EUFPORTING Th8 w"t33T OF THE CASK.
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7.1.5 Using suitable ri;ging, lift cask off trailer and place cask in proper position for loading.
Refer te Table 1 for empty and loaded cask weights.
7.2 Tyrdallation on Trailer CAUTION:
CASKS ARE EQUIPPED TO BE LIFTED BY FOUR (4) LIFT LUGS ON THE CASK BODY.
PRIHARY LID LlFT LUGS ARE NOT CAPABLE OF SUP-PORTING THE WEIGHT OF THE CASK.
7.2.1 Using suitable rigging, lift cask and place.in proper position within the shear blocks or re-taining rings provided on the trailer.
See Figure 1 for proper orientation.
Refer to Table 1 for empty and loaded cask weights.
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$i USE ttATCH ttARKS ON SIDEi.of-CASK MD
. Metr 4P TRAILER IF P, ASSENT.
Figure 1.
7.2.2 Inspect tiedown lugs and shackles on cask and trailer for cracks and wear which would affect their strength.
7.2.3 Inspect tiedown cables to ensure they are not f
loose, or damaged (crimped, frayed, etc.).
C 7.2.4 Inspect tiedown ratchets / turnbuckles to ensure they are in proper working condtion.
7.2.5 Install shackles through the end of the tiedown cables and attach to cask tiedown lugs by screwing pin through shackle and hole in lug.
7.2.6 Tighten ratchet binders / turnbuckles as necessary to secure cask on trailer.
i 8.0 CASK OPERATION AND LOADING Refer to Table 2 for primary lid and secondary lid weights.
8.1 Primary Lid Removal Remove the primary lid as follows:
8.1.1 If cask is equipped with a raincover, and it has not been removed, remove the raincover from the cask.
8.1.2 Remove primary lid seal wire.
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GEVISION PAGE WM-030 B
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j 8.1.3 Release the ratchet binder handles from its storage position.
~8.1.4 Engage the flip block to the sprocket wheel in the direction necessary to loosen the ratchet binder (See. Figure 2).
8.1.5 Loosen the ratchet binder by pulling the handle in the appropriate. direction.
8.1.6 Remove the ball-lock pin by depressing ' f:h'e top of the pin and pulling the pin through the hole in the threadless bolt (See Figure 3).
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CASK LID RATCHET A'
- RINDER LID MAMDLE
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CLOTURE BALL SPROCKET tyg
":1 LOCK PIM g,-
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THREADLES$f v
Att FLIP
- KAM DLE 3(OCK UPPER RATCHET f j
BINDER STORAGE POSITION t
Figure 2.
Figure 3.
1 8.1.7 Remove the three (3) cask lid lifting lug covers.
s CAUTION:
WHENEVER THE CASK LID IS MOVED ON OR OFF THE CASK, TREAT THE UNDERSIDE OF THE LID AS A CONTAMINATED SURFACE UNTIL A CONTAMINATION SURVEY CAN BE MADE TO VERIFY ITS STATUS.
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REVISION DAGE
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WM-030 B
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8.1.8 Remove the cask lid using three (3) lifting lugs on the cask lid to accommodate suitable rigging.
8.1.9 Inspect the interior of the cask for free standing water.
All water must be removed prior to loading and shipping.
8.1.10 Inspect the interior of the cask for obstructions which could affect loading or proper placement of drum pallets and liners.
8.2 Secondary Lid Removal Remove the secondary lid as follows:
8.2.1 If the cask is equipped with a rain cover, and it has not been removed, remove the rain cover from the cask.
8.2.2 Clip and remove the two' lock wires which are installed through two (2) of the hold-down studs.
8.2.3 Using an open end wrench, box end wrench, manual socket wrench or socket and power driven impact wrench, only, remove all eight (8) hold-down nuts.
CAUTION:
DO NOT USE ADJUSTABLE WRENCHES OR PIPE WRENCHES WHEN REMOVING HOLD-DOWN NUTS.
8.2.4 Remove the secondary lid lift lug cover.
CAUTION:
WHENEVER THE SECONDARY CASK LID IS MOVED ON OR OFF THE CASK, TREAT THE UNDERSIDE OF THE LID AS A CONTAMINATED SURFACE UNTIL A SURVEY CAN BE MADE.
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REVISION PAGE WM-030 B
12 of 18 8.2.5 Attach a single point sling or other appropri-ate lifting device to the secondary lid lift lug.
Remove the secondary. lid and set it aside.
CAUTION:
ENSURE THE SECONDARY LID IS LIFTED HIGH ENOUGH SO THAT THE LOWER SURFACE OF THE LID IS ABOVE THE TOP,OF THE SECONDARY' LID ALIGN--
MENT PINS (PINS ARE OPTIONAL) BEFORE THE LID IS MOVED HORIZONTALLY.
i 8.3 Loading an Empty Liner Into the Cask 8.3.1 Using the slings provided, place liner in the cask.
8.3.2 Install shims / shoring between liner and cask as necessary to secure in position.
8.4 Loading a Prefilled Liner into the Cask 8.4.1 Ensure lid and all plugs or caps are installed on the liner.
8.4.2 Using the lifting slings provided, place the liner into the cask.
8.4.3 Install shims / shoring between liner and cask as-necessary to secure in positon, if necessary.
8.5 Loading Pallets into the Cask Pallets may be loaded prior to placement into the cask or loaded after the empty pallet is placed into the cask.
However, caution should be excercised in order to avoid damaging the drum pallet lifting. slings, which will be used for the cask model being loaded.
8.5.1 Remove the pallet (s) from the cask, exercising caution in handling of the pallet due to j
potential contamination.
Prior to loadir.g
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containers on the pallet (s) inspect the slings on each pallet for damage or conditions which could affect safety.
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13 of 18 NOTE:
Empty pallets weigh approximately 350 lbs. each.
8.5.2 If a second pallet is used, place the top pallet into the cask either empty or preloaded.
If two pallebs are used, ensure the I
lower pallet slings are accessible for retrieving pallet when off-loading.
d 8.6 Installing Secondary Lid 8.6.1 Inspect the secondary lid gaskets for cuts, nicks or other damage which may affect th e -
sealing capabilities.
8.6.2 Inspect the secondary lid alignment pins (pins are optional) for excessive wear or' damage.
8.6.3 Replace, if necessary (Reference 4.6) using the one (1) lifting lug on the secondary lid to
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attach suitable rigging, lift and place into
'he opening on the primary lid.
Use alignment pins (pins are optional) to assure proper lid alignment.
Be careful not to damage the gasket during installation.
8.6.4 Coat all threaded surfaces with anti-seize compound.
l 8.6.5 Install and hand tighten all hold-down nuts.
8.6.6 Tighten th= secondary lid hold-down nuts using the following steps:
a.
Number hold-down nuts 1 through 8 clockwise.
b.
Torque all hold-down nuts to twenty (20) foot-pounds using the following tightening sequences 1,
5, 3,
7, 2,
6, 4,
8.
c.
Torque all fasteners to sixty (60) foot-()
pounds using the following tightening 1
sequence:
2, 6, 4, 8, 3,
7, 1,
5.
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REVISCN PAGE WM-030 B
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Torque all hold-down nt'.ts to one hundred (100) foot-pounds using the following tightening sequence:
3, 7,
1, 5, 4, 8,
2, 6.
e.
Check tight all hold-down nuts to one hundred (100) foot-pounds using the (+5-0 ft-lba) following sequeice:
4, 5, 6, 7,
8, 1,
2, S.
8.6.7 Install the secondary lid lift lug cover.
8.6.8 Install two (2) lock wires through two (2) of the holes provided in the secondary lid studs.
8.7 Primary Lid Installation 8.7.1 Inspect the primary lid gasket for cuts, nicks or other damage which may affect the sealing i
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capabilities.
Replace if necessary (Reference 4.6).
CAUTION:
WHENEVER TIIE CASK LID IS MOVED ON OR OFF THE CASK, TREAT THE UNDERSIDE OF THE LID AS A CONTAMINATED SURFACE UNTIL A CONTAMINATION S1PVEY CAN BE MADE TO VERIFY ITS STATUS.
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8.7.2 Using the three (3) lifting lugs on the cask lid to accommodate suitable rigging, lift the cask lid and place it on the cask.
Conduct a 1
visual inspection to ensure that the painted lid alignment marker on the cask lid lines up with the painted marker on the cask body.
The primary lid alignment pins should engage the primary lid.
Adjust the lid position as j
necessary to accomplish proper alignment.
8.7.3 Install the threadless bolt through the upper ratchet binder connector and the lid closure lug (Sc? Figitre 3).
NO RE VISION PAGE WM-030 B
15 of 18 8.7.4 Install the ball-lock pin by pressing down on the top of the pin and inserting the pin through the hole in the threadless bolt.
CAUTION:
RATCHET BINDER HANDLE ROTATION CAN BECOME TIGHT WHEN LOOSENING OR TIGHTENING A RATCHET BINDER.
THEREFO RE, VISUAL INSPECTION IS NUCESSARY TO ENSURE THAT THE ENDS OF THE RATCHET BINDER ARE MOVING TOGETHER WHEN THE HANDLE IS ROTATED TO TIGHTEN THE PRIMARY LID.
8.7.5 Tighten the ratchet binder by engaging the flip block to the sprocket wheel and rotate the ratchet binder handle in the direction necessary to tighten the ratchet binder.
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8.7.6 Disengage the flip block and rotate and secure the handla to its storage position (See Figure 2).
8.7.7 Install the three (3) primary cask lid lifting lug covers.
8.7.8 Install primary lid seal wire through cask lid and cask lif ting lug.
8.7.9 If provided, install the cask rain cover.
9.0 UNLOADING THE CASK Each licensee receiving a shipping cask with greater than Type A quantitie: must comply with the provisions of reference 4.12.
Remove the container (s) from inside the cask as follows:
9.1 If the cask is equipped with a rain cover, remove the
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raincover from the cask.
9.2 Disconnect and remove the primary lid as per Section 8.1.
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9.3 Remove contents from inside cask, being careful not to damage inside of the cask lining.
9.4 Perform survey of interior of cask and cask pallets if used.
Contamination should not exceed limits of Reference 4.2.
9.5 Install pallets, if removed.
9.6 Reinstall cack primary lid,as per Section 8.7.
9.7 Ensure all lifting lug covers are accounted for and installed properly.
9.8 If the cask is equipped with a raincover, reinstall and attach tiedowns.
9.9 Prepare the empty cask for transport as per Reference 4.5.
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WM-030 B
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Attachment A.
Cask Inspection Form Cask Model No.:
Serial No.:
Description of Inspection Receipt Pre-Shipment Para Initials Para Initials 1.
Radiation / Contamination 6.1.1 6.2.16 Survey t
2.
Tiedown Lugs and Shackles 6.1.2 6.2.15 3.
Tiedown cables 6.1.3 6.2.5 4.
Tiedown Cable Ratchet 6.1.4 6.2.15 Binders 5.
Lift Lug Covers 6.1.5 6.2.11 I
6.
Secondary Lid Hold-down 6.1.6 6.2.7*
Nuts
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7.
Secondary Lid Gasket 6.2.l*
8.
Primary Lid Gasket 6.2.2*
9.
Cask Ratchet Binders 6.2.S*
- 10. Ratchet Binder Handle 6.2.4*
I Straps
- 11. Secondary Lid Hold-down 6.2.6*
- 12. Secondary Lid Guide Pins 6.2e8*
- 13. Torque Down Shield Plug 6.2.9 f
- 14. Secondary Lid Lock Wires 6.2.10
- 15. Lid Vent Plug 6.2.12
- 16. Primary Lid Guide Pins 6.2.13
- 17. Lid Match Marks 6.2.14 l
- 18. Primary Lid Seal Wire 6.2.17
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- Also Included in Reference 4.6.
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REVISION PAGE
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.WM-030 8
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Table 1.
Casks Weights'(1bs).
Empty Weighti Maximum Gross Cask Model
'(lbs.)
Weight'(lbs.)
NUS-50-125 8,965 13,165 NUS-50-225 15,125 19,325 NUS-50-275 17,850 22,050 NUS-50-375 24,615 28,815 i-Table 2.
Cask Lid Weights (lbs.)
Primary Lid Weight With Secondary Secondary Lid Cask Model Lid Installed Weight (1bs.)
(h NUS-50-125 953' 525 NUS-50-225 2020 917 NUS-50-275 2250 1050 NUS-14-375 3354 1376 j
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