ML20214W514
| ML20214W514 | |
| Person / Time | |
|---|---|
| Site: | 07109151 |
| Issue date: | 11/24/1986 |
| From: | Bush F LN TECHNOLOGIES CORP. (FORMERLY LONDON NUCLEAR SVCS |
| To: | |
| Shared Package | |
| ML19292G392 | List: |
| References | |
| 28150, WM-014, WM-14, NUDOCS 8612100261 | |
| Download: ML20214W514 (24) | |
Text
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1 of 24 S
OPERATING INSTRUCTIONS FOR LOADING AND TITLE UNLOADING THE LN 14-170 SERIES I CASKS
.C O RPO A ATION y
Di s.. a.- _..; L 4 s.
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COPYRIGilT C 1986 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 MECilANICAL, INCLUDING PHOTOCOPYING, RECORDING OR BY ANY
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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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ORIGf0ATOR DATE CHECKED
'04TE 0AF DATE' / MANAGER DATE
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REVISION PAGE WM-014 K
2 of 24 TABLE OF CONTENTS Page 1.0 PURPOSE 3
1 2.0 APPLICABILITY 3
3.0 DEFINITIONS 3
4.0 REFERENCES
3 5.0 RESPONSIBILITIES 4
6.0 PROCEDURE 5
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6.1 Cask & Vehicle Receipt Inspection 5
6.2 Removal of Cask from Trailer 7
6.3 Loading Cask 8
6.4 Unloading Cask 22.
Rigging Requirements 23.
Primary Lid Torque Calculations 24 i
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l 1.0 PURPOSE The purpose of this procedure is to provide operating instructions for loading and unloading the LN 14-170 Series 1 radioactive materials shipping casks.
The LN 14-170 Series 1 shipping casks include units with 29 inch and 16 inch secondary lids.
2.0 APPLICABILITY This procedure sh.11 be followed when loading or unloading an LN 14-170 Series shipping cask.
This procedure may be used in its entirety ai is or incorporated into the polices and procedures of a registered user.
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3.0 DEFINITIONS Shield plug and secondary lid are synonymous and may be used in documents and references interchangeably.
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4.0 REFERENCES
4.1 U.S.
Nuclear Regulatory Commission Certificate of Compliance No. 9151 4.2 LN Technologica Quality Assurance Manual 4.3 Code of Federal Regulations, Title 10 Part 71 4.4 Code of Federal Regulations, Title 49 4.5 LN Technologies procedure WM-012 "LN 14-170 Series I Cask Maintenance" O
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REVISION PAGE WM-014 K
4 of 24 5.0 RESPONSIBILITIES Registered users of the cask shall ensure the following.
5.1 A Certificate of Compliance (C of C) for this cask and all the documents referenced by the C of C which relate to the use and maintenance of the cask are on file.
5.2 User has registered as a user of this certified cask with the U.S.
NRC in accordance with Reference 4.1.
5.3 The cask has been inspected under a quality assurance program to verify its compliance with the terms and con-ditions of the issued Certificate of Compliance.
5.4 The cask is loaded and closed in accordance with an l
l appropriate written procedure.
5.5 The cask is loaded in accordance with the requirements and restrictions stated in the current C of C.
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5.6 The shipment meets all of the applicable requirements established by the Department of Transportation, U.S.
Nuclear Regulatory Commission, burial site disposal criteria and burial site licenses.
5.7 The Certificate of Compliance.pr this cask requires f
that the cask lifting lugs be inoperable during transportation.
If the cask rain cover is not used, then all lifting lug covers must be used.
5.8 Notify Transportation Manageq, LN Technologies Columbia, SC prior to removing the cask from its trailer.
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l 6.0 F3OCEDURE 6.1 gask & Vehicle Receipt Inspection 6.1.1 Perform radiation and external contamination
's yurveys on both the shipping cask and vehicle.
Lcose and fixed contamination levels shall comply with. the requirements of Reference 4.4.
In the event these specified levels are exceeded, immediately notify the transportation department of LN Technologies Corporation.
6.1.2 Visually inspect tiedown lugs and shackles on cask and trailer for cracks and wear.
6.1.3 Visually inspect tiedown cables to ensure they are not loose or damaged (crimped, frayed, l
I etc.).
Tighten if necessary.
6.1.4 Visually inspect tiedown ratchets / turnbuckles to ensure they are in proper working conditions.
6.1.5 Inspect cask ratchet binders and binder accessories to ensure they are tight with no visual defects.
6.1.6 Ensure that primary lid and secondary lid lifting lug covers are present.
6.1.7 Remove cask primary lid in accordance with steps 6.3.2.1 through 6.3.2.7 if required.
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6 of 24 6.1.8 Inspect primary lid gasket for' cracks, nicks or tears which would affect proper sealing.
If necessary, replace or repair the gasket in accordance with reference 4.5.
Inspection is not required if the primary lid is not removed and the security seal is in place and intact.
6.1.9 Inspect interior of cask for standing water.
Water must be removed prior to shipment.
Inspection is not required if primary lid is not removed.
6.1.10 Inspect interior of cask for obstructions to loading.
Inspection is not required if primary lid is not removed.
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6.1.11 Inspect interior of cask for defects which might affect the cask integrity.
Inspection is not required if primary lid is not removed.
6.1.12 Inspect the secondary lid holdown nuts to ensure they are all present and not damaged.
6.1.13 Inspect the secondary lid gasket.
Inspection is not required if secondary lid has not been removed and security seal is in place and intact.
6.1.13.1 Remove the secondary lid from the primary cask lid in accordance with steps 6.3.6.4 through 6.3.6.6.
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6.1.13.2 Inspect the secondary lid holddown studs for damage.
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7 of 24 6.1.13.3 Inspect the secondat lid gasket for cracks or tears which would affect proper sealing.
If necessary, replace or repair gasket in accordance with reference 4.5.
6.1.13.4 Install secondary lid in accordance with step 6.3.8 unless loading requires the secondary lid to be removed.
6.2 Removal of Cask from Trailer If it is necessary to remove cask from trailer proceed as follows:
6.2.1 Remove the raincover and/or the cask lifting lug covers.
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6.2.2 Loosen ratchet binders / turnbuckles as necessary to remove pins from shackles at cask end of tiedown system.
6.2.3 Remove pins from shackles.
-CAUTION-DO NOT USE CASK LID LIFTING LUGS TO LIFT CASK.
DO NOT LIFT CASK WITHOUT PRIMARY LID INSTALLED PER PARAGRAPH 6. 3. 7.
s 6.2.4 Using the four (4) cask lift lugs and suitable rigging lift cask off trailer and place cask in proper position for loading.
See Attachment 1, Rigging Requirements.
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REVISION PAGE WM-Ot4 K
8 of 24 6.3 Loading Cask
-CAUTION-DO NOT EXCEED 17,800 LBS. TOTAL PAYLOAD WEIGHT INCLUDING LINER, SHORING, PALLETS. ETC.
6.3.1 If cask is equipped with a raincover, and it has not been removed, remove the raincover from the cask.
CAUTION:
EVEN THOUGH LOADING OPERATIONS MAY BE ACCOMPLISHED THROUGH THE SECONDARY LID WITHOUT REMOVING THE PRIMARY LID, ALL RATCHET BINDERS MUST BE LOOSENED, RETORQUED AND SEALED IN ACCORDANCE WITH STEPS 6.3.2.1 THROUGH 6.3.2.3 AND STEPS 6.3.7.5 THROUGH 6.3.7.10 AND 6.3.7.12 PRIOR TO CASK R', LEASE.
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NOTE:
IF THE CASK IS RECEIVED WITH A PRELOADED LINER AND ALL LOADING OPERATIONS ARS TO BP CONDUCTED TifROUGH THE SECONDARY LID ONLY.
PROCEED TO STEP 6.3.6.4.
6.3.2 Disconnect the cask lid from the cask as follows:
6.3.2.1 Release the ratchet-binder handle frc m its storage position.
6.3.2.2 Engage the flip block to the sprocket wheel in the direction necessary to loosen the ratchet binder (seo Figure 1).
6.3.2.3 Loosen the ratchet binder by pulling j
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the handle in the appropriate direction.
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REVISION PAGE WM-014 K
9 of 24 6.3.2.4 Remove the spring piri by pulling the pin through the hole in the threadless,.
bolt (see Figure 2).
6.3.2.5 Remove the threadless bolt by pulling the bolt through the holes in the upper ratchet binder connector and lid closure lug (see Figure 2).
RATCHET A
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CASK LID Bir4 DER i,
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HAftDLE LID h
CLO URE
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SPRING PIN y -!~
EE 3-1 THREADLESS d
ALL FLIP BOLT-k-
f l STORAGE UPPER RATCHET HAftDLE BLOCK
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y BIttDER POS I T IOtt g,
Figure 2 Figure 1 6.3.2.6 Remove the three (3) casks lid lifting lug covers.
-CAUTION-Wi!ENEVER 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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10 of 24 ALSO, ENSURE THAT THE CASK LID IS MOVED HIGH ENOUGli ABOVE THE CASK TOP TO AVOID DAMAGE TO THE CASK LID GUIDE PINS WHEN THE LID IS MOVED AWAY.-
PROM OR OVER THE CASK.
SEE ATTACHMENT 1, RIGGING REQUIREMENTS.
6.3.2.7 Remove the cask lid using the three (3) lifting lugs on the cask lid to accomodate suitable rigging.
6.3.2.8 Inspect interior of cask for free standing water. All water must be removed prior to loading and shipping.
6.3.2.9 Inspect interior of cask for obstructions which could affect loading or proper placement of drum pallets and liners.
6.3.3 Loading seven-drum pallets into the cask:
-CAUTION-DO NOT EXCEED 17,800 LBS. TOTAL PAYLOAD WEIGHT INCLUDING SHORING, PALLETS, ETC.
6.3.3.1 Using the slings provided and exercising caution in the handling of the pallet due to possible contaminatior,, remove the top pallet from the cask.
Inspect slings on both pallets for damage or conditions which could affect safety.
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NOTE:
Empty pallet weight - approx.
400 lbs.
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REVISION PAGE WM-014 K
11 of 24 6.3.3.2 Exercising caution to avoid placing drums on the paltet lift slings, load.
seven (7) drums on the lower pallet left in the cask.
(See Figure 3 for drum placement on pallet.)
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NOTE:
For maximum shielding, load l
l higher dose rate drums in the center position and the positions toward the front and rear of the trailer.
6.3.3.3 Place the top pallet into the cask.
Ensure lower pallet slings are accessible for retrieving pallet when off-loading.
Pallet Weight - 400 lbs.
Exercising caution to avoid placing
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1 drums on the pallet lift slings, load seven (7) drums on the top pallet in I
the cask (see Figure 3).
l 6.3.3.4 Install primary lid in accordance with step 6.3.7.
6.3.4 Loading the Seven-Drum Pallets Outside the Cask:
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12 of 24 1
-CAUTION-DO NOT EXCEED 17,800 LBS. PAYLOAD WEIGHT INCLUDING SHORING, PALLETS, ETC.
6.3.4.1 Using slings provided and exercising caution in the handling of the pallet due to possible contamination, remove both the pallets from the cask.
NOTE:
Empty Pallet Weight - approx.
750 lbs.
6.3.4.2 Inspect slings on both pallets for dam-age or conditions Which would affect safety.
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6.3.4.3 Load seven (7) drums onto each pallet (see Figure 3).
For maximum shielding, load higher dose rate drums in the center position.
6.3.4.4 Lift one of the loaded pallets and place it inside the cask.
For maximum shielding, ensure proper orientation of pallet (see Note of Figure 3).
Ensure slings of lower pallet are accessible i
for retrieving When off-loading.
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6.3.4.5 Lif t the other loaded pallet and place it inside the cask on the top of the first pallet.
For maximum shielding,
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ensure proper orientation of pallet (see Note of Figure 3).
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REVISION PAGE WM-014 K
13 of 24 NOTE:
Ensure easy access to the pallet lifting slings for removal of pallet at burial site.
i 6.3.4.6 Install primary lid in accordance with step 6.3.7.
6.3.5 Loading a Prefilled Liner into the Cask:
-CAUTION-DO NOT EXCEED 17,800 LBS. TOTAL PAYLOAD WEIGHT INCLUDING LINERS, SHORING, ETC.
6.3.5.1 Ensure lid and all plugs or caps are installed on liner.
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6.3.5.2 Using the lifting slings provided, place liner into the cask.
6.3.5.3 Install shims / shoring between liner and cask as necessary to secure in position, if necessary.
6.3.5.4 Install primary lid in accordance with step 6.3.7.
6.3.6 Installing and loading empty liner in cask:
6.3.6.1 Using the slings provided, place liner in the cask.
6.3.6.2 Install shims / shoring between liner and
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cask as necessary to secure in position.
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REVISION PAGE WM-014 K
14 of 24 6.3.6.3 Install primary lid in accordance with step 6.3.7.
6.3.6.4 Remove the 8-3/4" secondary lid holddown nuts.
6.3.6.5 Remove the secondary lid lifting lug cover.
6.3.6.6 Exercising caution due to possible contamination of the underside of the secondary lid, remove the seconde.ry lid.
6.3.6.7 Load liner through secondary lid j
g opening.
6.3.6.8 Install the liner lid, plugs or caps onto the liner.
6.3.6.9 Place the secondary lid on the cask using the secondary lid guide pins for proper positioning.
NOTE:
Care should be taken to avoid damage to the gasket.
the sebondary lid by installing 6.3.6.10 Secure and tightening the 8-3/4" secondary lid holddown nuts in accordance with torqu-ing steps provided in step 6.3.8.3.
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6.3.6.11 Install the secondary lid lifting lug cover.
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WM-014 K
15 of 24 6.3.6.12 Install security wire seal through 1/8" hole in one secondary lid stud.
6.3.6.13 If cask is equipped with raincover, install raincover.
The raincover may be used in lieu of or in addition to the lifting lug covers - refer to Step 5.7.
6.3.7 Installation of Primary Cask Lid 6.3.7.1 Inspect primary lid gasket for cuts, nicks or other damage which may affect the sealing capabilities.
If necessary, replace or repair the gasket
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in accordance with referene 4.5.
-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.
ALSO, ENSURE THAT THE CASK LID IS MOVED HIGH ENOUGH ABOVE THE CASK TOP TO AVOID DAMAGE TO THE CASK LID GUIDE PINS WHEN THE LID IS MOVED AWAY.
Using the thrbe (3) lifting lugs on the 6.3.7.2 primary lid to accommodate suitable rigging, lift the primary lid and place it on the cask using the alignment pins for proper positioning.
If the primary
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lid guide pins were damaged and/or are missing, ensure that the holes in the O
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REVISION PAGE WM-014 K
16 of 24 cask lid line up with the guide pin positions.
Conduct a visual inspection to ensure that the painted lid alignment marker on the cask lid lines up with the painted marker on the cask body.
Adjust the lid position as necessary to accomplish proper alignment.
6.3.7.4 Install the spring pin by pressing down on top of the pin and inserting the pin through the hole in the threadless bolt.
6.3.7.5 Ensure that all Ratchet Binder Threads are lubricated.
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6.3.7.6 Tighten all binders by hand by engaging the Flip Block to the Sprocket Wheel and rotate the binder handle in the direction necessary to tighten the Rachet Binder.
-CAUTION-RATCHET BINDER HANDLE ROTATION CAN BECOME TIGHT WHEN EXTENDING OR CONTRACTING THE RATCHET BINDER.
THEREFORE, VISUAL INSPECTION IS NECESSARY TO ENSURE THAT THE ENDS OF THE RATCHET BINDER ARE MOVING TOGETHER WHEN THE HANDLE IS ROTATED TO TIGHTEN THE PRIMARY LID.
6.3.7.7 Calculate and record the adjusted
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REVISION PAGE WM-014 K
17 of 24 6.3.7.8 After all ratchet binders are hand tightened, torque all rachet binders in sequential order (see Figure 4) in i
steps of 130 and 200 ft. - lbs. of torque, loading all ratchet binders equally at one torque value before proceeding to the next higher torque value.
6.3.7.9 After all binders are torqued to 200 lbs. in step 6.3.7.8, use ft.
rotational tightening (see Figure 4) to ensure that all binders are at 200 ft.
- lbs. of torque loading.
Two complete passes are required.
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Tof ar cess j
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1 1
7 Sequential Order Rotational Order 1 -2 1
3-4 5
5-6 3
7-8 7
2 6
4 l
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Figure 4
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18 of 24 6.3.7.10 Disengage the flip block and rotate and secure the handle to its storage position (see Figure 1).
6.3.7.11 Install the three (3) primary cask lid lifting lug covers and four (4) cask lift lug covers.
The cask raincover may be used in lieu of or in addition to the lifting lug covers - refer to step 5.7.
6.3.7.12 Install security wire seal through the 1/8" hole in the cask lifting lug and the 1/8" hole in the primary lid and/or place the security wire seals through
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two ratchet binder handles located on opposite sides of the cask.
6.3.8 Installation of Secondary Lid:
6.3.8.1 Inspect the secondary lid gasket for cuts, nicks or other damage which may affect the sealing capabilities.
If necessary, replace or repair in accordance with reference 4.5.
6.3.8.2 Using the one_(1) lifting lug on the secondary lid to attach suitable rigging, lift and place secondary lid into the opening on the primary lid.
Use alignment pins to assure proper lid
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REVISION PAGE WM-014 K
19 of 24 alignment.
If the alignment pins are damaged, verify proper lid alignment using the painted alignment markers on the secondary lid and the primary cask lid.
De careful not to damage the gasket during installation.
6.3.8.3 Two types of secondary lids are utilized on the NUS14-170 Series I shipping casks.
The appropriate torquing sequence for the NUS14-170 Series I cask secondary lid will result in a 120 foot-pound torque.
Torquing Sequence for the 16 or 29 inch Secondary Lid l
I Secure the secondary lid by installing and tightening the secondary lid stud nuts in accordance with the following torquing sequence.
Coat all threaded surfaces with an anti-seize compound.
Install and hand-tighten all fasteners.
Torque all fasteners to forty (40) foot-pounds using the following tightening sequence:
Opposite pgir randomly selected o
o Opposite pair at 90*
o Opposite pair at 45' o
opposite pair at 135' Torque all fasteners to eighty (80) foot-pounds using the following tightening sequence:
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REVISION PAGE WM-014 K
20 of 24 Opposite pair di5ferent than those o
selected above o
Opposite pair at 90*
o Opposite pair at 45' o
opposite pair at 135*
Torque all fasteners to one hundred twenty (120) foot pounds using the following tightening sequence:
o Opposite pair different than those selected above o
Opposite pair at 90*
o opposite pair at 45' o
Opposite pair at 135*
Check tight all fastners to one hundred twenty (120) foot-pounds l
I 6.3.8.4 Install the secondary lid lifting lug cover.
6.3.8.5 Install shipping security wire through the 1/8 inch hole in the one secondary lid stud.
6.3.9 Cask Installation on Trailer:
-CAUTION-DO NOT USE CASK LID LIFTING LUGS TO s
LIPT THE CASK.
l 6.3.9.1 Using the four (4) cask lift lugs and suitable rigging, lift cask and place in proper position within the shear blocks provided on the trailer.
See g
Figure 5 for proper orientation.
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REVISION PAGE WM-014 K
21 of 24 I
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-CAUTION-DO NOT LIFT CASK WITHOUT THE PRIMARY LID.'
IN PLACE.
CA8tE 5 CABLES SHOULD NOI
--- S HOULO NO T 100Cn.
10UCH.
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U SC ttA T CN M A R K 5 ON SIDC or CA$K AN D OCCE or realt(a er ratsEnt.
Figure 5.
6.3.9.2 Inspect tiedown lugs and shackles on cask and trailer for cracks and wear which would affect their strength.
6.3.9.3 Inspect tiedown cables to ensure they are not loose, or damaged (crimped, frayed, etc.).
6.3.9.4 Inspect tiedown ratchets / turnbuckles to ensure they are in proper working condition.
6.3.9.5 Install shackles through the end of the tiedown cables and attach to cask tiedown lugs by screwing pin through shackle and hole in lug.
6.3.9.6 Tighten tiedown ratchets / turnbuckles as necessary to secure cask on trailer.
Do not overtighten the tiedown ratchet / turnbuckles.
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22 of 24 1
6.4 Unloading the Cask j
I Remove the container (s) from inside the cask as follows:
6.4.1 If the cask is equipped with a raincover, remove the raincover from the cask.
6.4.2 Disconnect and remove the primary lid as per Section 6.3.2.
6.4.3 Remove contents from inside cask, being careful not to damage inside of the cask lining.
6.4.4 Perform survey of interior of cask and cask pallets if used.
Contamination should not exceed limits of Reference 4.4.
6.4.5 Install pallets, if removed.
6.4.6 Reinstall cask primary lid as per Section 6.3.7.
6.4.7 Ensure all lifting lug covers are accounted for and installed properly.
The cask raincover may be used in addition to or in lieu of the lifting lug covers - refer to step 5.7.
6.4.8 If the cask is equipped with a raincover, reinstall and attach tiedowns.
Refer to step 5.7.
6.4.9 Prepare the empty cask for transport as per Reference 4.4.
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23 of 24 ATTACHMENT 1.
RIGGING REQUIREMENTS Type of Lifting j
Item Fixture Required Item Weight Maximum payload Varies 17,800 including shoring, secondary containers, pallets, etc.
16" Secondary Lid Single Point 400 Attachment 29" Secondary Lid Single Point 1,200 Attachment l
l Primary Lid with 16" Three Point 6,300 Secondary Lid Attachment
=
Primary Lid without Three Point 5,900 16" Secondary Lid Attachment Primary Lid with 29" Three Point 6,300 Secondary Lid Attachment Primary Lid without 29" Three Point 5,100 Secondary Lid Attachment Cask Without Contents Four Point 35,200 (Do not lift cask without Attachment Primary Lid in place!)
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Complete cask with maximum Four Point 53,000 payload Attachment O
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24 of 24 ATTACIIMENT 2.
PRIMARY LID TORQUE CALCULATIONS The Certificate of Compliance requires that all Ratchet Binders be torqued to a final value of 200 ft. - lb..
It is necessary to adapt a standard torque wrench to the ratchet binder handle (a 1/2" drive stud, non-ratcheting torque wrench is recommended.)
The adapter extends the effective length of the torque wrench, therefore the torque value setting of the wrench must be adjusted to account for the extra length.
B x C = Torque Wrench Setting B+A l
l A = Distance (in inches) from the center of the ratchet binder barrel to the 1/2" driver stud socket when the adapter is installed on the ratchet handle.
B = Distance (in inches) from the torque wrench driver stud to the end of the wrench handle.
C = Desired torque values of 130 and 200 f t.
- lbs.
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