ML20072G979
| ML20072G979 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 05/24/1982 |
| From: | ARKANSAS POWER & LIGHT CO. |
| To: | |
| Shared Package | |
| ML20072G971 | List: |
| References | |
| 1409.26, NUDOCS 8303290226 | |
| Download: ML20072G979 (13) | |
Text
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ARKANSAS POWER & LIGHT COMPANY (Y~.,
Arkansas Nuclear One
" RECORD OF CHANGES AND REVISIONS FOM NO.1000.06A
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HECHANICAL MAINTENANCE REV. # 8 PC #
RESIN TRANSFER FROM T-13 TO TRANSPORT CASK 1409.26 V. 1 E..a l
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APPROVED BY:
APPROVAL DATE
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REQUIRED EFFECTIVE DATE:
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(Gene'ral Maggtj;cr) '~
8303290226 830225 PDR ADOCK 05000368 P
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PLANT MANUAL SECTION:
PROCEDURElWORK PLAN TITLE:
NO:
MECHANICAL RESIN TRANSFER FROM MAINTENANCE T-13 TS TRANSPORT CASK 1409.26 PAGE 1 of 12
(
ARKANSAS NUCLEAR ONE aevisiON 1 oats 11/o9/81 i
CHANGE DATE This plan is intened to outline the required steps and conditions necessary to transfer spent resins from T-13 to (transport) shipping cask located in the train bay.
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1.0 LIMITS & PRECAUTIONS 1.1 Persocnel must be stationed at all times at both' the liner & near RT-13 during resin transfer operations to the. liner.
1.2 The train bay shall be roped off around the shipping cask and no access allowed to personnel other than those involved with this operation.
1.3 All personnel, including HP's, shall be thoroughly briefed in all areas of this operation prior to commencing resin transfer.
1.4 Clearance must be granted (indicating necessary documentation is met) prior to resin fill & prior to allowing the transport to leave the plant after loading.
1.5 Radiation levels on the exterior of the cask cannot exceed 70-80 Mr/hr.
1.6 Stop resin transfer if local cask high alarm comes in, even if hose plugging occurs.
2.0 INITIAL CONDITIONS 2.1 Heavy poly shall be placed on floor of train bay to cover work area under and around cask trailer, after trailer is placed drap poly over trailer. See Figure 1.
2.2 SWP issued and signed for work involved.
2.3 HP personnel available and briefed on operations to be conduct.e'd.
2.4 All hosing and rigging is connected as indicated on Figure 2 (attached).
l Transfer hose to normal or alternate transfer connection.
I 2.5 Mirror mounted on cask for level observation.
2.6 Deminerali=ed water hose available for flushing in area of transport, and another hose to 2SZ-60.
2.7 170 ft liner installed in cask per applicable portions of Appendix "A" attached.
3.0 RESIN TRANSFER NOTE:
This is the normal or prefered method of Resin Transfer. Use the alternate method per section 4.0 if unable to use normal.
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P. ANT MANUAt SECTION:
PROCEDURE / WORK PLAN TITLE:
NO:
MECHANICAL RESIN TRANSFER FROM MATNTENANCE T-13 TO TRAN9 PORT CARY 1409.76 4
PAGE 7 of 12 f.
ARKANSAS NUCLEAR ONE aevision i
oATE n/n9fai CHANGE pc 1 DATE 4/26/87 3.1 Complete attached valve line-up.
3.2 Align one T-12 on recire. bypassing F-15's, radwaste DI's and T-16's TrJgr' f to,suppifsluiceNatTrfopsifdr!i:;Open CZ-29.-
crr
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r Open SA-24 and fluff resin for 30 minutes.
3.3 3.4 Open RT-13, 2SZ-58, 2SZ-59, CZ-104.
Close GCH-5, GCH-36, ABD-18.
Adjust CZ-104 for proper resin slurry. Adjust SA-24 to maintain e
~ 20 psig.
3.5 Operate dewatering pump aa necessary to hold water level down in cask liner.
CAUTION:
STOP RESIN TRANSFER IF LOCAL CASK HIGH ALARM COMES IN, EVEN IF HOSE PLUGGING OCCURS.
3.6 When desired resin level is reached in cask shut RT-13, SA-24, CZ-104.
3.7 Slowly vent T-13 by opening GCH-5 and GCH-36, then open ABD-18.
3.8 Flush transfer hose by opening 2SZ-60 and 2SZ-59, then close 2SZ-60.
k 3.9 Drain transfer hose by opening RT-13 then close 2SZ-58, 2SZ-59.
3.10 Check Resin line upstream of 2SZ-57 for trapped Resin, flush if neces-sary by opening 2SZ-57, CZ-70, 2SZ-39, 2SZ-40. Then close CZ-70, 2SZ-39, 2SZ-40, 2SZ-57.
3.11 Continue dewatering cask as necessary until pump loses suction.
NOTE: Allow cask to settle after completing resin tranfer for two hours.
Run dewatering pump until pump again loses suction.
If pump operated for over one minute prior to losing suction, wait an-other two hours and repeat dewatering operation. Continue until resin is dry.
3.12 Disconnect all temporary hoses or lower to Aux. Building. Secure T-12 recire. lineup. Shut CZ-29.
3.13 Take resin sample for radioisotope analysis.
3.14 Complete resin solidification per Appendix "B".
3.15 Complete necessary documentation for shipment and release truck.
Clean up area as required.
4.0 ALTERNATE METHOD OF RESIN TRANSFER
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4.1 Complete attached valve lineup.
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PLANT MANUALSECTION:
! PROCEDURE / WORK PLAN TITLE:
NO:
MECHANICAL RESIN TRANSFER FROM MATNTENANCR T-i3 TO TRANSPORT CARY 1409.26 PAGE 3 of 12 f
ARKANSAS NUCLEAR ONE aEvisioN i
DATE iiiO9isi CHANGE pc_1 DATE 4/26/82 4.2 Align one T-12 on recire. bypassing F-15'S, Radwaste DI's and T-16's to supply sluice water for transfer. Open CZ-29.
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4~.3 ~.Open SA-24 aniEfluff resint for 30 minutes, cm-"*C rm r.' emu-# - m max
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[at 4.4 Open CZ-70, 2SZ-22, 2SZ-24 to supply seal water to 2P-115B.
4.5 Open RT-13, 2SZ-57, 2SZ-5, 2SZ-43, SZ-49 and hose valve downstream of SZ-49, CZ-104.
4.6 Close GCH-3, GCH-36, ABD-l& and start 2Pil5B. Adjust CZ-104 for proper resin slurry Adjust SA-24 to maintain 2 20 psig.
4.7 Operate dewatering pump as necessary to hold water level down in cask liner.
CAtTTION:
STOP RESIN TRANSFER IF LOCAL CASK HIGH ALARM COMES IN, EVEN IF HOSE PLUGGING OCCURS.
4.8 When desired resin level is reached in cask stop 2P-ll5B and shut RT-13, SA-24, CZ-104.
4.9 Slowly vent T-13 by opening GCH-5 and GCH-36 then open ABD-18.
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4.10 Flush resin-transfer line by opening 2SZ-60, 2SZ-58, then start 2P-115B.
4.11 When flush is complete stop 2Pil5B, close 2SZ-60, 2SZ-57, 2SZ-5, 2SZ-43, CZ-70, 2SZ-22, 2SZ-24.
4.12 Drain transfer hose to T-13 by opening RT-10, then close RT-10, SZ-49, and hose valve downstream of SZ-49.
4.13 Flush RT-13 by opening 2SZ-60 and RT-13.
The close RT-13, 2SZ-60, 2SZ-58.
4.14 Continue dewatering cask as necessary until pump loses suction.
NOTE: Allow cask to settle after completing resin transfer for two hours. Run de-watering pump until pump again loses suction.
If l
pump operates for over one minute prior to losing suction, wait i
another two hours and repeat de-watering operation. Concinue until resin is dry.
4.15 Disconnect all temporary hoses or lower to Aux. Building. Secure T-12 recire, lineup. Shut CZ-29.
l 4.16 Take resin sample for radioisotope analysis.
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4.17 Complete resin solidification per Appendix "B".
4.18 Complete necessary documentation for shipment and release truck.
Clean up area as required.
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PLANT MANUAL SECTION:
PROCEDUPF] WORK PLAN TITLE:
NO:
w MECHANICAL RESIN TRANSFER FROM N
h MATNTENANCE T-13 TO TRANSPORT CASK 1409.26 8
PAGE 4 of 12 ARKANSAS NUCLEAR ONE aevisioN o DATE 1/2fai CHANGE DATE l
VALUE LIST CLOSED OPEN SZ-49 X
7
,,, 7,7, yg 7-o, 2SZ-57 X
2SZ-58 X
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_RT-10 X
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s' X
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ABD-18 X
CCH-5 X
GCH-36 e
X CZ-6B X
ABD-19 X
t 2SZ-5 X
i 2SZ-43 X
l 2SZ-45 X
2SZ-2 X
2SZ-44 X
2CV-4212 X
RT-li X
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- = wegm e
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p PLANT MANUAL SECTION:
PROCEDURE / WORK l'LAN TITLE:
NO:
,r MECHANICAL RESIN TRANSFER FROM gJ{
MATNTENANcp T-19 TO TRANSPORT CASK 1409.26 l C 1.
_PAGE 5 of 12 EM ARKANSAS NUCLEAR ONE aEvisioN o oATE 1/2/81 m
CHANGE DATE FIGURE 1
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'A MAINTENANCE T-13 TO TRANSPORT CASK 14d9.L, d.~D ARKANSAS NUCLEAR ONE PAGE 6 of 12 S
aevision o DAre 1/2/81 CHANGE DATE
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PLANT M ANUAL SECTION:
PROCEDURE / WORK PLAN TITLE:
NO:
y MECHANICAL RESIN TRANSFER FROM MATNTFMANCF T-11 TO TRANSPORT CASK 1409.26
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M PAGE 7 of 12 ARKANSAS NUCLEAR ONE aevisioN o oATE 1/2/81 CHANGE DATE FIGURE 2, SHEET 2 f;.
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PLANT MANLIAL SECTION:
PROCEDURElWORK NbIlb N O'-
RESIN TRANS p
,.: 5 MECHANICAL
'1 y f,
' MAINTENANCE T-13 TO TRANSPORT CASK 1409.26 ElU PAGE 5 of 14 GED -
ARKANSAS NUCLEAR ONE aevisiON u oarE 1/zisi
(
CHANGE DATE APPENDIX A f
LOADING PROCEDURE FOR THE HN-100 SERIES-UPRIGHT-CYLINDRICAL-RADWA.STE SHIPPJNG-CASK,,,m._.,h..
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APPLICABILITY This procedure is applicable for both the HN-100 Cask, and the HN-100S Casks.
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B.
PAYLOAD s
The HN-100 Cask will be' loaded with one of the following payloads:
1.
Drum Pallets Fourteen 55 gallon drums loaded onto two 7 drum pallets placed one on top of the other.
2.
Shielded Pallets Eight 55 gallon drums loaded into two 4 drum pallets placed one on top
. of the other in the cask.. -.
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3.
Large containers
.s 170 ft.3 large container loaded directly into the cask.
-C. PROCEDURE The following procedure must be followed in its entirety and sequence.
1.
Remove the full diameter cask lid as follows:
On casks equipped with bolted lid closure system, remove the lid a.
holddown bolts.
b.
On casks equipped with ratchet binder lid closure system, loosen and disconnect the ratchet binders.
c.
Using the three (3) lifting lugs on the cask lid to accomodate l
suitable rigging and using caution in the placement of the cask lid due to possible contamination of the underside of the lid, remove the cask lid.
2.
Loading shall be as follows:
Loading the seven (7) drum standard pallets or the four (4) drum a.
sheilded pallets in the cask.
~ (1) Load the drums into the pallets.
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PLANT MANUAL SECTION:
PROCEDURE / WORK PLAN TITLE:
NO:
2 l,9 MECHANICAL RESIN TRANSFER FROM E.-
.. I MATMTFMANCR T-19 TO TRANSPORT CASK 1409.26 l"
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PAGE 9 of 12
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(2) Assure easy access to the pallet lifting slings for removal of pallet at burial.
b.
Loading the seven (7) drum standard pallets or the four (4) drum shielded pallets outside the cask.
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3.g (1) Using the lifting slings provided with the pallets and using caution in the placement of the pallet due to possible contam-ination of the pallet, remove the pallets from the cask.
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(2) Load the drums into the pallets.
1 (3) Lift loa'ded pallet and place it inside cask.
(4) Assure easy access to the pallet lifting slings for removal of pallet at burial.
Loading the 170 ft.3 liner in the cask.
c.
(1) Insure that the snap-on lid is with the liner.
i (2) Using the slings provided, place liner in ghe cask.
Insure that-the slings remain with. liner.
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(3) Place cask lid on cask using alignment pins to assure proper placement.
(4) On casks equipped with bolted closure, secure the cask lid by installing and tightening the holddown nuts.
(5) On cask equipped with ratchet closure system, secure the cask
' lid by connecting and tightening the ratchet binders.
(6) Remove the shield plug holddown nuts.
(7) Using caution due to possible contamination of the underside of the shield plug, remove the shield plug.
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PLANT MANUAL SECTION:
PHOCEDURE/ WORK PLAN Nbb NO-'
MECHANICAL RESIN TRANSFER
~I I I-MAINTENANCE T-13 TO TRANSPORT CASK 1409.26 N
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/M PAGE 10 of 12 ARKANSAS NUCLEAP ONE aEwsmN o oATE uzesi
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CHANGE DATE APPENDIX B FOR USE AT THE ARKANSAS NUCLEAR I PLANT
-,1 r-.-INSTALLATION
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.s 1.1 Position the truck in the designated area. On the truck will be a resin filled liner in a cask.
l.2 Place electric drive assembly in liner neck 'and secure tightly with the three mounting bolts.
1.3 Construct and position scaffold so that the cement feed adaptor outlet is properly located relative to the cement inlet on the mixing head.
NOTE:
The difference in elevation of the Flexcon screw drive ends which connect the cement feed adaptor to the cement inlet on the mixing head should not exceed 12".
The cement inlet on the mixing head varies in height be-tween 11'7" and 13'1", depending on the truck. Adjust the height of the scaffold to comply with the height
-of the cement. inlet -on-the mixing head.
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1.4 Install the screw drive starting at the cement feed adaptor. Remove the end cap and insert the screw drive into the adaptor and beyond I
the uncapped end. Now insert the other end into the cement inlet on the mixing head. After insertion into the cement inlet the end cap on the cement feed adaptor can be put back on.
NOTE:
It may be necessary to adjust the position.of.the scaffold slightly in order to install the screw drive.
1.5 Fill both cement bins and istall them o'n the scaffold with both blast gates closed. The numbers on the bin legs should coincide with the numbers on the scaffold.
1.6 Connect the air lines to air vibrators on both cement bins.
1.7 Position the dust collector in a convenient location allowing the vent hose to reach the mixing head. Attach the vent hose to the dust col-lector and the vent pipe on the mising head.
1.8 Add the correct amount of water to the liner. The amount of water varies with the amount of resins to be solidified. This amount should comply to Appendix A.
1.9 Position the control panel and connect the electrical lines from the agitator motor, screw drive motor, electric drive motor.1nd the dust collector to the corresponding receptacles.
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t PLANT MANUAi.SECTION:
e'ROCEDURE/ WORK PLAN TITLE:
NO:
MECHANICAL RESIN TRANSFER FROM
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h.
MATNTENAN(*F T-1*4 TO TRANSPORT CASK 1409.26 d
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PAGE 11 of 12 6
ARKANSAS NUCLEAR ONE aavisioa 0 # ATE 1/2/81 CHANGE DATE 2.
SOLIDIFICATION OPERATIONS I
2.1 Energize the control panel w - 2:2" Start the'~ dust' collector by press'ing-the " start" buttoElabiled * #"** # W
,a DUST COLLECTOR on the panel.
2.3 Start the mixing blade in the Forward direction by pressing the
" Forward" button labeled MIXER.
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NOTE:
The forward s d reverse mechanisms inside the control-
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panel have time delays built in.
The time delay allows the mixing blade to come to a complete stop before the blades direction can be changed. After pressing the stop button, the operator is forced to wait for the amount of time set on the time delays before re-ener-gizing the mixer motor.
2.4 Start the agitator and screw drive simultaneously by pressing the
" start" button labeled CEMENT FEED.
NOTE:
Theblastgatesonbothcementbinsshouidstillbeclosed to, assure no cement flow as-yet. When-the cement is-finally
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allowed to flow keep the top b1'ast gate closed until the bottom bin is near empty.
2.5 Start the air vibrator on the lower bin just enough to keep the cement j
moving but not enough to cause packing.
2.6 From Appendix A select the required
- amount of cement needed to solidify the resin. Knowing that the flow rate of cement is 55 pounds per minute once the blast gate is opened and knowing how aiucli cement must
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be transferred, the operator can determine how long he must open the gate to complete the transfer. The minutes the gate must-be opened can be determined by dividing the pounds of total cement to be trans-fered by the flow rate of cement (pcunds per minute). Open the blast gate for the length of time calculated above. Be sure to open the top blast gate and energize the top air vibrator before the bottom i
bin empties. After the time is up, close the gate but' allow the screw
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drive to empty.
i 3.
SHUrDOWN OPERATIONS 4
3.1 When the cement transfer is completed turn off the vibrators and cement feed unit.'
Allow dust collector to run while the mixer is still oper-ating. Continue mixing until a satisfactory mix is achieved then turn off mixing motor and dust collector.
3.2 Unplug the electric cables going to the control panel and wrap each one around their motors.
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3.3 Remove plug on the cement feed adaptor and loosen the clamps on both i
ends of the screw drive. Remove the screw drive unit in the same fashion it was installed.
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PLANT MANUAL SECTION:
PROCEDURE / WORK PLAN TITLE:
NO:
MECHANICAL RESIN TRANSFER FROM 9
J MATNTENANCE T-13 TO TRANSPORT CASK 1409.26 PAGE 12 of 12
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ARKANSAS NUCLEAR ONE aevision 0 oATE 1/2/81 CHANGE DATE 3.4 Remove the vent hose from the mixing head and store is with.the dust collector.
3.5 Remove electric drive assembiv and_ store it in thy electire drive stand.
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I 3.6 Install snap tight lid and install and secure shield plug.
3.7 Proceed with AP&L work plan 3.15.
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