ML20206E218
| ML20206E218 | |
| Person / Time | |
|---|---|
| Site: | 07109145 |
| Issue date: | 05/29/1986 |
| From: | Mccoy S NUS CORP. |
| To: | |
| Shared Package | |
| ML20206E196 | List: |
| References | |
| WM-030, WM-30, NUDOCS 8606230211 | |
| Download: ML20206E218 (18) | |
Text
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REVISION PAGE WM-030 A
1 of 18 TITLE SERVICES OPERATING PROCEDURE FOR TYPE A AHuehunonCompany SERIES 50 CASKS ECOUIi?UI.EDCOPY COPYRIGHT
- 1986 BY NUS PROCESS SERVICES CORPORATION ALL RIGHTS RESERVED.
NO PART OF THIS DOCUMENT MAY BE REPRO-I 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 JN WRITING FROM NUS PROCESS SERVICES CORPORATION, EXCEPT FOR
' STRICTLY CONTROLLED DISTRIBUTION, FOR EVALUATION PURPOSES.
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NUS PROCESS SERYlCES
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2 of 18 TABLE OF CONTENTS Page 1.0 PURPOSE 3
2.0 APPLICABILITY 3
3.0 DEFINITIONS 3
4.0 REFERENCES
3 5.0 RESPONSIBILITIES 4
6.0 INSPECTIONS AND SURVEYS 5
6.1 Receipt Inspection 5
6.2 Preshipment Inspection 6
7.0 CASK MOVEMENT 7
7.1 Removal from Trailer 7
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
No.
REvtss0N PAGE
'l I' WM-030 A
3 of 18 1.0 PURPOSE The purpose of this procedure is to provide operating instructions for all NUSPSC Type A, Series 50 radioactive materials shipping casks.
2.0 APPLICABILITY This procedure is applicable to all NUSPSC 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 3.1 NUSPSC - NUS Process Services 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 N
WM-030 A
4 of 18 4.4 NUS Corportion Drawing No. 5025-M-2010, "NUS Type A Transportation Casks - Series 50 Cask General Arrangements" 4.5 Code of Federal Regulations, 49CFR, Parts 100-177 4.6 NUSPSC Procedure WM-031, " Maintenance and Inspection Procedure for Type A, Series 50 Casks" 4.7 NUSPSC Procedure WM-011, " Soap Bubble Leak Test of NUSPSC Type A Shipping Cask" 4.8 NUSPSC Procedure QA-001, " Procedure Preparation and Control" 4.9 NUSPSC Procedure QA-Oll,. " Procedure for Storage and Retrieval of Quality Assurance Records" 4.10 NUSPSC Quality Assurance Manual 4.11 Code of Federal Regulations, 10 CFR 71.47 and 71.87 4.12 Code of Federal Regulations, 10 CFR 20.205 5.0 RESPONSIBILITIES 5.1 All users of a cask shall ensure that the following 1
minimum requirements have been completed prior to use or operation of the cask.
5.1.1 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 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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WM-030 A
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 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 contamination 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, NUS Process Services Corporation.
6.1.2 Inspect the tiedown lugs and shackles on cask and trailer for cracks and wear.
i 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.
6.1.5 Ensure that primary lid and secondary lid lifting lug covers are present.
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WM-030 A
6 of 18 6.1.6 Ensure that secondary lid hold-down nuts are present.
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 inspections of these items is not required.
In addition, inspections of items not operated by the user, such as inspection of the secondary lid gasket when the' secondary lid has not been removed, are not required.
Perform the following appropriate steps:
6.2.1 Inspect the secondary lid gasket for cracks, nicks and tears which would af fect proper l
sealing.
Ensure the gasket has been replaced within the last twelve months.
6.2.2 Inspect the primary lid gasket for cracks, nicks and tears which would af fect proper sealing.
Ensure the gasket has been replaced within the past twelve months.
6.2.3 Ensure the cask ratchet binders are in proper 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 tight.
6.2.6 Inspect the secondary lid hold-down studs for excessive wear c; Or.:s threading.
6.2.7 Inspect the secondary lid hold-down nuts for wear or damage caused by cross-threading or over torquing.
6.2.6 Secondary lid alignment pins should engage i
secondary lid.
Torque down secondary lid per Section 8.6.
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WM-030 A
7 of 18 6.2.9 Ensure lock wires are installed through two secondary lid hold-down studs.
6.2.10 Ensure primary lid and secondary lid lift lug covers are installed.
6.2.11 Ensure the primary lid vent plug is properly sealed and installed.
6.2.12 Inspect primary lid alignment marks for flaking or fading paint.
6.2.13. Primary lid alignment pins should engge primary lid.
6.2.14 Inspect trailer tiedown points for cracking.
Tighten ratchet binders.
6.2.15 Ensure that a leak test has been performed on the cask within the last twelve months (Reference 4.7).
6.2.16 Conduct radiation and contamination surveys to ensure cask meets the requirements of References 4.5 and 4.11.
7.0 CASK MOVEMENT 7.1 Removal from Trailer If is it necessary to remove cask from trailer proceed as follows:
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 I
tiedown system.
7.1.3 Remove pins from shackles.
7.1.4 Loosen cask shear blocks or retention ring as f
necessary.
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HEVISION N
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8 of 18 1
I CAUTION:
CASKS ARE EQUIPPED TO BE LIFTED BY FOUR (4)
LIFT LUGS ON THE CASK BODY.
PRIMARY LID LIFT LUGS ARE NOT CAPABLE OF SUPPORTING THE WEIGHT OF THE CASK.
7.1.5 Using suitable rigging, lift cask off trailer and place cask in proper position for loading.
Refer to Table 1 for empty and loaded cask weights.
7.2 Installation on Trailer,
CAUTION:
CASKS ARE EQUIPPED TO BE LIFTED BY FOUR (4) LIFT LUGS ON THE CASK BODY.
PRIMARY LID LIFT LUGS ARE NOT CAPABLE OF SUP-PORTING THE WEIGHT OF THE CASK.
7.2.1 Using suitable rigging, litt 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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'M if E USE MATCH MARKS ON SIDE!.of case Ann M CE OP TRAItER IF PR$sSET.
Figure 1
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REVISION N
WM-030 A
9 of 18 i
7.2.2 Inspect tiedown lugs and shackles on cask and trailer for cracks and wear wnich would affect their strength.
7.2.3 Inspect tiedown cables to ensure they are not loose, or damaged (crimped, frayed, etc.).
7.2.4 Inspect tiedown ratchets / turnbuckles to ensure they are in proper working conation.
7.2.5 Install shackles through the end at 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.
8.0 CASK OPERATION AND LOADING Refer to Table 2 tor primary lid and secondary lid weights.
8.1 Primary Lid Removal Remove the primary lid as follows:
8.1.1 It cask is equipped with a raincover, and it has not been removed, remove the _ raincover trom the cask.
8.1.2 Release the ratchet binder handles from its storage position.
8.1.3 Engage the tlip block to the sprocket wneel in the direction necessary to loosen the ratenet binder (See Figure 2).
8.1.4 Loosen the ratchet binder by pulling the handle in the appropriate direction.
8.1.5 Remove the ball-lock pin Dy depressing tne top or the pin and pulling tne pin tnrough the hole in the threadless bolt (See Figure 3).
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10 of 18
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- ru RATCHET A
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- BINDER CASK LID WKE SPROCKET
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Ct0 uRE C
LUG LOCK PIN i
FLIP THREADLES V
ALL HANDLE BLOCK BOLT l
STORAGE T
UPPER RATCHET POSITION BINDER Figure 2.
Figure 3.
t 8.1.7 Remove the three (3) cask lid lifting lug Covers.
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 'IO VERIFY ITS STATUS.
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 af cect loading or proper placement of drum pallets and liners.
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WM-030 A
11 of 18 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 f rom 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 (d) nold-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.
8.2.5 Attach a single point sling or other appropri-ate lif ting device to the secondary lid litt 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 LIU ALIGN-MENT PINS ( PINS ARE OPTIONAL) BEFORE THE LIO IS MOVED HORIZONTALLY.
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REvtSION N
WM-030 A
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i 8.3 Loading an Empty Liner Into the Cask 6.3.1 using the slings provided, place liner in the cask.
d.3.2 Install snims/ snoring between liner and cask as necessary to secure in position.
d.4 Loading a Preti11ed Liner into tne Cask d.4.1 Ensure lid and all plugs or caps are installed on the liner.
6.4.2 Using the litting slings provided, place the liner into tne cask.
d.4.3 Install snims/ shoring between liner ano cask as necessary to secure in positon, it necessary.
l d.5 Loading Pallets into the Cask Pallets may be loaded prior to placement into tne cask or loaded after tne empty pallet is placed into the cask.
However, caution snould De excercisea in order to avoid dataaging tne drwa pallet litting slings, wnicn will be used ror tne cask taocel being loaued.
d.d.1 Remove tne palletts) tron tne cask, exercising caution in handling or tne pallet aue to potential containination.
Prior to loading i
containers on tne pallet (s) inspect the slings on each pallet tor adinage or conditions which could attect satety.
NOTE.
Empty pallets weign approxituately 360 lbs. each.
d.5.2 It a second pallet is used, place the top pallet into tne cask eitner empty or preloaced.
It two pallets are used, ensure the lower pallet slings are accessible for retrieving pallet wnen ott-loading.
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REVISION PAGE WM-030 A
13 of 18 J
8.6 Installing Secondary Lid
,.y 8.6.1 Inspect the secondary lid gaskets for cuts, nicks or other damage which may affect the 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) lif ting lug on the secondary lid to attach suitable rigging, lif t and place into the opening on the primary lid.
Use alignment l
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.
8.6.5 Install and hand tighten all hold-down nuts.
8.6.6 Tighten the secondary lid hold-down nuts using the following steps:
8.6.6.1 Number hold-down nuts 1 through 8 clockwise.
8.6.6.2 Torque all hold-down nuts to twenty (20) foot-pounds using the following tightening sequence:
1,5,3,7,2, 6, 4, 8.
l 8.6.6.3 Torque all f asteners to sixty (60) foot-pounds using the following tightening sequence:
2,6,4,8,3, j
7, 1, 5.
8.6.6.4 Torque all hold-down nuts to one t
hundred (100) foot-pounds using the following tightening sequence:
3, 7, 1,5,4,8,2,6,.
8.6.6.5 Check tight all hold-down nuts to one hundred (100) foot-pounds using the (+5-0 ft-lbs).
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REVISION PME WM-ddu A
14 or la rollowing sequence.
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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 capabilities.
Replace if necessary (Reference i
4.6).
CAUTION:
WHENEVER THE CASK LID IS MOVED ON OR OFF THE CASK, TREAT THE UNDERSIDE OF THE LID AS A j
CONTAMINATED SURFACE UNTIL A CONTAMINATION SURVEY CAN BE MADE TO VERIFY ITS STATUS.
8.7.2 Using the three (3) lif ting lugs on the cask lid to accommodate suitable rigging, lift the cask lid and place it on the cask.
Conduct a visual inspection to ensure that the painted lid alignment marker on the cask lid lines up l
with the painted marker on the cask body.
The primary lid alignment pins should engage the primary lid.
Adjust the lid position as necessary to accomplish proper alignment.
8.7.3 Install the threadless bolt through the upper ratchet binder connector and the lid closure lug (See Figure 3).
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.
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REVISKm PMiE M-030 A
15 of 18 CAUTION:
RATCHET BINDER HANDLE ROTATION CAN BECOME TIGHT WHEN LOOSENING OR TIGHTENING A 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.
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.
8.7.6 Disengage the flip block and. rotate and secure the handle to its storage position (See Figure 2).
8.7.7 Install the three (3) primary cask lid lifting lug covers.
8.7.8 If provided, install the cask rain cover.
9.0 UNLOADING THE CASK Each licensee receiving a shipping cask with greater than Type A quantities must comply with the provisions of reference 4.12.
Remove the container (s) trom inside the cask as follows:
9.1 It the cask is equipped with a1 rain cover, remove the raincover from the cask.
9.2 Disconnect and remove the primary lid as per Section 8.1.
9.3-Remove contents from inside cask, being careful not to damage inside ot the cask lining.
9.4 Perform survey of interior ot cask and cask pallets if used.- Contamination should not exceed limits or Reference 4.2.
9.5 Install pallets, it removed.
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REVISION PAGE WM-030 A
16 ot 18 9.6 Reinstall cask primary lid as per Section U.7.
,e 9.7 Ensure all lifting lug covers are accounted tor and installed properly.
l 9.8 it the cask is equipped witn a raincover, reinstall and attach tiedowns.
9.9 Prepare the empty cask tor transport as per Reterence 4.5.
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17 or 18 Attachment A.
Cask Inspection Form Cask Model No.:
Serial No.:
Description ot Inspection Receipt Pre-Snipment Para Initialsu Para Initials 1.
Radiation / Contamination b.l.1 b.2.lb Survey 2.
Tiedown Lugs and Shackles 6.1.2 6.2.15 3.
Tiedown Caoles b.1.3 b.2.5 1
4.
Tiedown Cable Katenet 6.1.4 lb.2.15 l
Binders S.
Litt Lug Covers b.l.5 b.2.11 I
b.
Secondary Lid Hold-down l
b.l.b b.2.7*
Nuts 7.
Secondary Lid Gasket b.2.1*
8.
Primary Lid Gasket b.2.2*
9.
Cask Ratenet Binders b.2.3*
- 10. Ratche t Binder Handle 6.2.4*
Straps
- 11. Secondary Lid Hold-down 6.2.6*
- 12. Secondary Lid Guide Pins b.2.8*
- 13. Torque Down Shield Plug 6.2.9
- 14. Secondary Lid Lock Wires 6.2.10
- 15. Lid Vent Plug 6.2.12 lb. Primary Lid Guide Pins b.2.13
- 17. Lid Match Marks l
g b.2.14 I
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- Also included in Reference 4.6.
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id ot 16 TaDle 1.
Casks Weights (1bs).
Empty Weight Maximum Gross Cask Model (lbs.)
Weight (lbs.)
NUS-50-125 d,965 13,165 NUS-50-225 15,125 19,325 NUS-50-275 17,850 22,0b0 NUS-bu-375 24,615 26,815 Table 2.
Cask Lid Weights (1bs.)
Primary Lid Weight
)
With Secondary Secondary Lid Cask Model Lid installed Weight (lbs.)
NUS-50-125 953 525 NUS-50-225 202U 917 NUS-bO-275 2250 lubu NUS-14-37b 3354 1376 l
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l OVERSIZE DOCUMENT PAGE PULLED SEE APERTURE CARDS NUMBER OF PAGES:
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ACCESSION NUMBER (S):
SMS7.302/7 APERTURE CARD /HARD COPY AVAILABLE FROM RECORD SERVM:ES BRANCH,TIDC l
FTS 492-3939 y
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