ML20214X122
| ML20214X122 | |
| Person / Time | |
|---|---|
| Site: | 07109073 |
| Issue date: | 04/21/1987 |
| From: | Bush F, Mccoy S LN TECHNOLOGIES CORP. (FORMERLY LONDON NUCLEAR SVCS |
| To: | |
| Shared Package | |
| ML20214X115 | List: |
| References | |
| WM-021, WM-21, NUDOCS 8706160340 | |
| Download: ML20214X122 (20) | |
Text
r NO.
RE VISION PAGE WM-021 E
1 of 20 TITLE 1
OPERATING INSTRUCTIONS FOR LOADING AND TECHNOLOGIES UNLOADING THE LN-142 CASK.
.C O APO A ATION 5
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 MECilANICAL, INCLUDING PHOTOCOPYING, RECORDING OR BY ANY INFORMATION STORAGE AND RETRIEVAL SYSTEM, WITHOUT PERMISSION IN WRITING FROM LN TECHNOLOGIES CORPORATION, EXCEPT FOR STRICTLY CONTROLLED DIS.TRIBUTION, F0,R EVALUATION PURPOSES.
hhhh I.
61 3
03 l
0C C
fiffm; Yb fff Y E g
B y-lQ fl}
r ORl(.NATOR DATE CHECKED OnTE OAh DATEl MANAGER DATE
NO.
REVISION PAGE t.-
WM-021 E
2 of 20 TABLE OF-CONTENTS E. age, 1.0 PURPOSE 3
2.0 APPLICA!sILITY 3
4 3.0 DEFINITIONS 3
4.0 REFERENCES
3 l
5.0 RESPONSIBILITIES 3
-6.0 PROCEDURE 4
6.1 Cask & Vehicle Receipt Inspection 4
i 6.2 Removal of Cask from Trailer 6
l 6.3 Loading Cask 7
6.4 Unloading Cask 19 i
l l
I I
g l
T NOc REtflSION -
PAGE WM-021 E
3 of 20
.t:
- 1. 0' PURPOSE' t
'The purpose'of this procedure'is to'. provide operating instruction's,for loading and unloading the LN-142 radio' active-materials' shipping casks.
2.0 APPLICABILITY This procedure,shall be followed when loading or. unloading a LN-142 shipping cask.
This pr.ocedure may be used in its entirety as is or incorporated into the policies and procedures of.a registered' user.
3.0 DEFINITIONS None.
4.0 REFERENCES
4.lU.S.
Nuclear Regulatory Commission Certificate of Compliance No. 9073.
4.2 LN Technologies, Corporation Quality Assurance Manual 4.3 Code of Federal Regulations, Title 10 Part 71 4.4 Co'de of Federal Regulations, Title 49 4.5 WM-022, "LN-142 Maintenance" 4.6 WM-023, " Soap Bubble Leak Test - LN Technologies Corporation Type A Shipping Casks" 5.0 RESPONSIBILITIES Users of the cask shall ensure the following.
NO' WM-021 E
of 20 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 References 4.3 and 4.'4.
5.3 The cask has been inspected under a quality assurance program to verify' its complignce with the terms and con -
ditions of the issued C of C.
g 5.4 The cask i's loaded and closed in accordance with a written procedure which documents the requirements and restrictions stated in the C of C.
5.5 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.
5.6 Lifting requirements of Attachment 1 are reviewed.
6.0 PROCEDURE 6.1 Cask & Vehicle Receipt Inspection 6.1.1 Perform thdiation'and' external contamination sur-veys on both the shipping cask and vehicle.
Loose and fixed contamination levels shall comply with the requirements of Reference 4.4.
In the event these specified levels are exceeded, immed-iately notify the Transportation Supervisor at LN Technologies Corporation, (803) 256-4355.
6.1.2 Inspect tiedown lugs and shackles on cask and trailer for cracks and wear.
6.1.3 Inspect tiedown cables to ensure they are not loose or damaged (crimped, frayed, etc.).
i Tighten if necessary.
l 6.1.4 Inspect tiedown ratchets / turnbuckles to ensure they are in proper working condition.
i I
c;
~
NO-REVISION PAGE WM-021-E 5 of 20 6.1.5 Ensure cask ratchet binders and binder accessories are in proper working condition.
6.1.6
. Ensure _that impact limiter and secondary lid lifting lug covers are present.
6.1.7 If the cask assembly is to be removed from the transport trailer to facilitate loading, refer to step 6.2.
6.1.8 Remove cask upper. impact limiter in accordance with step 6.3.2.
6.1.9 Ingpect the primary lid test portal plug for the presence of thread sealant.
6.1.10 Remo've cask primary lid in accordance with step 6.3.3.
6.1.11 Inspect primary lid gasket for cracks or tears
'which would affect proper sealing.
6.1.12 Inspect interior of cask for standing water.
Water must be removed prior - to shipment.
6.1.13 Inspect interior of cask for obstructions to loading.
6.1.14 Inspect interior of cask for defects which might affect the cask integrity.
6.1.15 Inspect the secondary lid holddown nuts to ensure they are,all present and not damaged.,
6.1.16 If the secondary lid will be removed for loading the cask, or if the secondary lid security seal had been broken or is not installed, inspect the secondary lid outer and inner gaskets for cracks, nicks or tears which would affect proper sealing.
Inspection is not required if secondary lid has not been removed and security seal is in place and intact.
a.
Remove the secondary lid from the primary cask lid in accordance with steps 6.3.7.d through 6.3.7.f.
b.
Inspect the secondary lid holddown studs for da mage.
NO.
REVISION PAGE WM-021 E
6 of 20 c.
Inspect the two secondary lid gaskets for cracks or tears which would affect proper' sealing.
d.
Install secondary lid in accordance with step 6.3.9 unless loading requires the secondary lid to be removed.
6.2 Removal of Cask from Trailer' 6
If it is necessary to remove the cask from the trailer to facilitate loading, proceed as follows:
6.2.1 If cask is equipped with raincover, remove the raincover from the cask.
6.2.2 The impact limiter may be removed before or after cask removal from trailer in accordance with step 6.3.2.
6.2.3 Loosen ratchet biuders/ turnbuckles as necessary to remove pins from tiedown shackles at cask end of tiedown system.
6.2.4 Remove pins from tiedown shackles.
6.2.5 Loosen cask shear blocks or ring if installed on trailer..
-CAUTION-DO NOT USE IMPACT LIMITER LIFTING LUGS TO LIFT CASK.
6.2.6 Use the three (3) primary lid lifting lugs and suitable rigging to lif t cask off trailer and place cask in proper position for loading.
Empty cask weight with primary lid and secondary lid in place is 51,000 lbs.
Empty cask weight with primary lid, secondary lid and upper impact
NO.
REVISION PAGE
- WM-021 E
7 of 20 limiter in place is 54,000 lbs.
Maximum loaded cask weight,'with upper impact limiter is 66,000 lbs.
6.3 Loading Cask Remove the primary full diameter cask lid as follows:
6.3.1 If cask is equipped with a raincover, remove the ra%ncover from the cask.
6.3.2 Disconnect and remove the impact limiter as follows:
a.
Remove the eight spring clip pins from the upper impact limiter attachment tabs by pulling the pin out through the hole in. the attachment tabs and primary attachment lugs (see Figure 1).
b.
Remove the impact limiter lifting lug covers.
c.
Connect a suitable lifting cable to the three impact limiter lifting lugs in the center ring of the impact limiter.
d.
Lif t,the impact limiter away from. the cask.
The upper impact limiter weighs 3,000 lbs.
N i.= -
N FIGURE 1 a
Of3 P f4.
I W.
r NO.
REVISION PAGE WM-021 E
8 of 20 6.3.3 Disconnect the cask primary lid from the cask as follows:
a.
Release the ratchet-binder handle from its storage position.
b.
Engage the flip block to the sprocket wheel in the direction necessary to loosen the ratchet binder (see Figure 2).
s RATCHET A'
- SINDER NE
- e SPROCKET FIGURE 2
( ; y n:
- c
I FtlP HANDLE 3 LOCK STORAGE y
POSITION c.
Loosen the ratchet binder by pulling the handle in the appropriate direction.
d.
Remoire the eight spring clip pins, by pulling the pin through the' hole in the threadless bolt (see Figure 3).
e.
Remove the eight threadless bolts by pulling the bolt through the holes in the upper ratchet binder connector and primary lid closure lug (see Figure 3).
-}
k h
yp. h i
f h
st"t.CI'P b"5 +
^
~~
~~
FIGURE 3 7
~
m M
=
~
NA REvlSION PAGE WM-021 E
9 of 20
-CAUTION-WHENEVER THE CASK LID IS MOVED ON OR OFF THE CASK, TREAT THE UNDERSIDE OP.THE LID AS A CONTAMINATED SURFACE UNTIL A CONTAMINATION' SURVEY j
CAN BE MADE TO VERIFY ITS STATUS.
l
)
ALSO, ENSURE THAT THE CASK LID IS MOVED HIGH ENOUGH ABOVE THE CASKIOP TO AVOID DAMAGE TO THE CASK LID ATTACHMENT LUGS WHEN THE LID IS MOVED AWAY FROM OR OVER THE CASK.
g.
Remove the cask lid using the three (3) lifting lugs on the cask lid to accomodate suitable rigging.
The cask lid weighs 6,990 lbs.
h.
Inspect interior of cask for free standing water. All water must be removed prior to loading and shipping.
i.
Inspect interior of cask for obstructions which could affect loading or proper placement of drum pallets and/or liners.
j.
Inspect the interior of cask for. defects which might affect'the cask integrity.
6.3.4 Loading Five-drum pallets into the casks a.
Using the slings provided and exercising caution in the handling of the pallet due to 2
possible contamination, remove the top pallet from the cask.
Inspect slings on both pallets for damage or conditions which could affect safety.
NO.
REVISION PAGE WM-021 E
10 of 20 NOTE:
Empty pallet weight - approx. 300 lbs.
b.
Exercising caution to avoid placing drums on the pallet lift slings, load five (5) drums on the lower pallet left in the cask.
(See Figure 4 for drum placement on pallet.)
rive Point sting j
~\\
6 g
I
I l
w 5 drue pattet loading FIGURE 4 c.
Place the top pallet into the cask.
Ensure lower pallet slings are accessible for retrieving pallet when off-loading.
Pallet Weight - approximately 300 lbs.
Exercising caution to avoid placing drums on the pallet lift slings, load five (5) drums on the top pallet in the cask (see Figure 4).
d.
Install primary lid in accordance with step 6.3.8.
l 6.3.5 Loading the Five-Drum Pallets Outside the Cask:
Using slings provided and exercising
[
a.
l l
NO CCVISION PAGE WM-021 E
11 of 20 caution in the handling of the pallet due to possible contamination, remove both the pallets from the cask.
NOTE:
Empty Pallet Weight - approx. 300 lbs.
b.
Inspect slings on both pallets for damage or conditions which'would affect safety.
c.,
Load five drums onto each pallet (see Figure 4).
l For maximum shielding, load higher dose rate drums toward the front and rear of the trailer.
d.
Lift one of the loaded pallets and place it inside the cask.
I Ensure slings of lower pallet are accessible l
for retrieving when off-loading.
e.
Lift the other loaded pallet and. place it inside the cask on the top of the first pallet.
Ensure easy access to the pallet lifting slings for removal of pallet at burial site.
Install primary lik in accordance with step f.
l 6.3.8.
6.3.6 Loading a Profilled Liner into the Cask:
a.
Ensure lid and all plugs or caps are l
installed on liner.
b.
Using the lifting slings provided, place liner in the cask.
l l
l k
REVISION PAGE NO WM-021 E
12 of 20 Install ' shims / shoring or liner inserts c.
i between liner and cask as necessary to secure in position.
d.
Install primary lid in accordance with ' step 6.3.8.
t 6.3.7 Installing and loading empty liner in cask:
a.
Using the slings provided, place liner in the
, cask.
b.
Install shims / shoring or liner inserts between liner. and cask as necessary to secure in position.
c.
Install primary lid in accordance with step 6.3.8.
d.
Remove the eight secondary lid holddown nuts.
e.
Remove the secondary lid lif ting lug cover l
and connect appropriate lifting sling (weight 1,750 lbs.)
I
-CAUTION-1 WHENEVER THE CASK SECONDARY 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.
i ALSO, ENSURE THAT THE CASK SECONDARY LID IS MOVED HIGH ENOUGH ABOVE THE CASK TOP TO AVOID DAMAGE TO THE CASK SECONDARY LID GUIDE PINS.
l f.
Remove the secondary lid from cask and move to suitable storage area.
l g.
Load the radioactive material into the i
?
i L
J
NO.
REVISION PWE WM-021 E
13 of 20 liner through the cask secondary opening.
h.
Install the liner lid, plugs or caps, as appropriate, onto liner.
i.
Re-ir stall secondary lid in accordance with step 6.3.9.
j.
If required by Reference 4.5, per form Soap Bubble Leak Test (Reference 4.6).
Test may be per formed before or af ter cask is placed on transport trai.ler.
However, it must be-performed before re-installation of upper impact limiter.
k.
If the cask was removed from the transport trailer to facilitate loading, re-install in accordance with step 6.3.10.
1.
Install the upper impact limiter in accordance with step 6.3.12.
m.
If the cask is equipped with a raincover, re-install.
6.3.8 Installation of Primary Cask Lid a.
Inspect primary lid gasket for cuts, nicks or other damage which may affect the sealing capabilities.
Replace if necessary.
(Reference 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 l
CASK LID ATTACHMENT LUGS WHEN THE LID IS MOVED AWAY FROM OR OVER THE CASK.
NO ret /ISION PAGE WM-021 E
14 of 20 l
b.
Use the three (3) lifting lugs on the cask lid and suitable rigging to lift the cask primary lid and place it on the cask.
Use the alignment index lug and guide plates for proper positioning.
Conduct a visual inspection to ensure that the painted lid index lug on the cask lid lines up between use painted guide plates on the cask *mdy.
Adjust the lid position as necessary to accomplich proper alignment (see Figure 5).
miaan uo auwwvt w.
i
\\ /,
l 1
I
%nauw uo acuin sur amu l
(sourw ou cux aw) s FIGURE 5 l
c.
Install the threadless bolt through the upper ratchet binder connector and the primary lid closure lugs on all'eight (8) ratchet binders (see Figure 3).
l d.
Install the eight (8) spring clip pins by inserting the pin through the hole in the threadless bolt (see Figure 3).
l l
l i
NO.
REVISION PAGE WM-021' E
15 of 20
-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 L
MOVING TOGETHER WHEN THE HANDLE IS ROTATED TO TIGHTEN THE PRIMARY LID.
ENSURE THAT ALL RATCHET BINDERS ARE EQUALLY TENSIONED AS TIGHTLY AS CAN BE, ACHIEVED WITHOUT THE USE OF MECHANICAL AIDS (SUCH AS " CHEATER BARS" OR RATCHET HANDLE EXTENSIONS).
e.
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.
f.
Disengage the flip block and rotate and secure the handle to its storage position (see Figure 2).
f g.
Install a shipping security wire through hole
~
at end of one ratchet binder handle and then around handle on second ratchet binder.
Install a second security wire on the ratchet binders on opposite side of cask in the same manner.
In addition to this security wire, the cask user has the option to place a second security wire on another ratchet binder located on the opposite side of the cask.
NO.
REVISION PAGE WM-021 E
16 of 20 6.3.9 Installation of Secondary Lids a.
Inspect the two secondary lid gaskets for cuts, nicks or other damage which may af fect the sealing capabilities.
Replace, if necessary (Reference 4.5).
b.
Using the one (1) lif ting lug on the secondary lid to attach suitable rigging, lif t and place se'condary lid into the secondary opening on the primary lid.
Use alignment guide pins to assure proper lid alignment.
If the alignment guide pins are damagod, verify proper lid alignment using the painted alignment markers on thesecondary lid and the cask primary lid.
Be careful not to damage the gaskets during installation.
c.
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.
Number fasteners'1 through 8 clockwise.
Torque all fasteners to twenty (20) foot-pounds using the following tightening sequence:
1,5,3,7,2,6,4,8.
Torque all fasteners to forty (40) foot-pounds using the following tightening sequence:
2,6,4,8,3,7,1,5.
Torque all fasteners to fif ty-five (55) foot-pounds using the following tightening sequence:
3,7,1,5,4,8,2x6.
NO.
REVISION PAGE E
17 of 20 WM-021 Check tight all fastners to fifty-five (55) foot-pounds:
4,5,6,7,8,1,2,3.
d.
Install the secondary lid lifting lug cover.
e.
Install shipping security wires on the secondary lid through the hole provided in one of the secondary lid stud nuts.
6.3.10 Cask Installation on Trailer:
6
-CAUTION-DO NOT USE THE CASK SECONDARY LID LIFTING LUG OR THE UPPER IMPACT LIMITER LIFTING LUGS TO LIFT 1
TiiE CASK.
a.
Use the three (3) cask primary lid lif ting lugs and suitable rigging to lift the cask and place it in the proper position on the transport trailer.
The lower impact limiter fits over a position ring mounted on the transport trailer.
See Figure 6 for proper i
orientation.
FIGURE 6 e--,
CABLES
.\\
CABLts
~ sHOULD Nof
$Hoytm not Q
smcN.
1 g,
~
p' N
x
~
l b --.
kust rutex tuars oN slot or cast AND
'I j
occx or saAttta er p
ratsent.
y,-,
NO REVISION PAGE WM-021 E
18 of 20 b.
Inspect tiedown lugs and shackles on cask and transport trailer for cracks and wear which would af fect their strength.
c.
Inspect cask trailer tiedown cables to ensure they are not loose or damaged (crimped, frayed, etc.).
d.
Inspect cask cable tiedown ratchets /
turnbuckles to ensure they are in proper working condition.
e.
Install shackles through the end of the cask tiedown cables and attach to cask tiedown lugs by screwing pin through shackle and hole in lug.
f.
Tighten cask cable ratchet binders /
turnbuckles as necessary to secure cask on transport trailer.
6.3.11 If required by Reference 4.5, perform Leak Test (Reference 4.6).
Test may be per formed before or after cask is placed on transport trailer, however, it must be per formed before re-installation of upper impact limiter.
6.3.12 Install upper impact limiter as follows:
a.
Connect suitable rigging to the upper impact limiter lifting lugs and position impact limiter above cask primary lid.
b.
Prior to lowering upper impact limiter onto primary lid, align index attachment tab with alignment index lug on cask primar y lid.
c.
Lower upper impact limiter onto cask primary lid.
l
NO REVISION PAGE j.
WM-021 E
19 of 20 l
d.
Install the eight spring clip pins into the attachment tabs.
p, e.
Disconnect lif ting cables from upper impact limiter.
i f.
Install the impact limiter lifting lug Covers.
t.
6.3.13 Display Proper Labels on Cask (Reference 4.4).
l 6.4 Unloading, Cask l
l Remove the container (s) from inside the cask as follows:
6.4.1 If the cask is equipped with a raincover, remove l
l the raincover from the cask.
I 6.4.2 Disconnect and remove the upper impact limiter as i
I per 6.3.2.
6.4.3 Disconnect and remove the primary lid as per 6.3.3.
6.4.4 Remove contents from inside cask, being careful I
not to damage inside of cask lining.
l 6.4.5 Per form survey of interior of cask and cask pallets if used.
Cont, amination should.not exceed I
limits of Reference 4.4.'
6.4.6 Install pallets, if removed.
l 6.4.7 Reinstall cask primary lid as per 6.3.8.
l 6.4.8 Reinstall upper impact limiter as per 6.3.12.
6.4.9 Ensure all lifting lug covers are accounted for and installed properly.
6.4.10 if cask is equipped with a raincover, re-install on cask upper impact limiter and attach tiedowns.
6.4.11 Prepare empty cask for transport as per Reference 4.4.
l l
l l
x, NO.
REVISION PAGE WM-021 E
20Lof 20 ATTACHMENT 1 TYPE OF LIFTING ITEM FIXTURE REQUIRED ITEM WEIGHT Secondary Lid 1 point 1,750 lbs.
Upper Impact Limiter 3 poi'nt
-3,000 lbs.
Pnimary Lid with Secondary 3 point 7,000 lbs.
Lid Installed Primary Lid with Secondary 3 point 10,000 lbs.-
Lid and Upper Impact Limiter Installed Cask Assembly without Upper 3 point 51,000 lbs.
Impact Limiter or Contents Cask Assembly with Upper 3 point 54,000 lbs.
Impact Limiter Installed No Contents Cask Assembly without Upper 3 point 63,000 lbs.
Impact Limiter but with Maximum Contents Cask Assembly with Upper 3 poi,nt 66,00.0 lbs.
Impact Limiter and with Maximum Contents f
4
____m______.___._._.______._._______._
. _ _ _