Keijo Haapala
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Transcript of Keijo Haapala
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LUCOEXLarge Underground Concept EXperiments
2011 – 2014
Work Package 5 KBS-3V Emplacement tests in ONKALO
Progress and Plans Project Progress Meeting
13st May 2014
Keijo Haapala
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WP5 SITUATION
• The content of WP5
• LOT1: Development of bentonite
buffer and pellet installation.
• LOT2: Quality of installation
• LOT3: Problem handling tools
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WP5 SITUATION
33
• Two machines has
developed
• Installation machine
(BIM) for buffer block
emplacement
• Buffer transfer device
(BTD) for transferring
of buffer blocks from
service tunnel for BIM.13th May 2014 Haapala Keijo
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BIM AND TRANSPORTATION CONTAINER
4423th September 2013
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BIM
5523th September 2013
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BTD
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BUFFER INSTALLATION SEQUENCE
4. Block and pellet installation
1. Positioning2. Block taken from container
3. Crane over dep. hole
6. Empty gripper to the shelf
7. Shelf forwards and crane over container
5. Transfer device positioning
8. Block taken from container
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LOT1, Installation of bentonite buffer and pellets
• BIM was ready for shipment from the
manufacturer in October last autum.
• Test plan of Demonstration Phase 1 has
prepared.
• Writing of Operating and Service Manual for machines.
• Test hall in Onkalo area was ready in the end
of March.
• Final programming and preparations of the
machine for the test started in Aprill.
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LOT1, Installation of bentonite buffer and pellet
• Things to note:
• Laser tracker changed, Leica -> API Control
-> some extra work.
• Automation and electric has caused extra work
• Co-operation between different components
• Wiring faults -> broken components.
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LOT1, Installation of bentonite buffer and pellet
• Things to note:
• Work safety is a bit harder than expected
• Limited access to test hall, only persons who
have a task in the project.
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LOT2: Quality of installation
• Work has done at the same time with LOT1,
mainly programming
• Main part of the work will take place when
the buffer installation demonstrations start.
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LOT3: Problem handling tools.
• What is needed if the bentonite block falls to
the deposition hole during installation?
• Demonstrations after LOT 1 and 2.
• Work has divided in two situations:
• Before canister installation.
• After canister installation.
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DEMONSTRATIONS
• Demo Phase 1: Testing in test hall in
Onkalo site.
• Demo Phase 2: Testing in Onkalo demonstration
tunnel with concrete blocks.
• Demo Phase 3: Testing in Onkalo demonstration
tunnel with bentonite blocks.
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DEMO PHASE 1 IN TEST HALL
• Purpose to finalize the installation
machine.
• Detailed test for different functions
• Adjusting the speed of functions in the
machine
• Perform the installation test with full
size concrete blocks
• To find out what is critical13th May 2014 14Haapala Keijo
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DEMO PHASE 1 IN TEST HALL
• Most important part of demonstration
• Estimated testing time 3 months: April -
June, if everything goes well.
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TEST HALL
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BIM IN TEST HALL
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BIM IN TEST HALL
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CONCRETE BLOCKS WITH CONTAINER TOPS
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DISPOSAL HOLE IN TEST HALL
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DEMO PHASE 2: TESTING IN ONKALO WITH CONCRETE BLOCKS
• Targets:
• To test the installation in Onkalo
conditions
• Installing of whole buffer within two hours
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DEMO PHASE 3: TESTING IN ONKALO WITH BENTONITE BLOCKS
• What kind of effect the bentonite gives to installation
process?
• What is the effect of moist conditions in Onkalo
• How safe is the process?
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DEMO PHASE 3: TESTING IN ONKALO WITH BENTONITE BLOCKS
• Possibly isostatically pressed bentonite blocks are not
available.
• Alternative buffer: Mixture of uniaxially pressed
benonite and concrete blocks.
• The handling of concrete blocks with vacuum lifter
is more risky than bentonite blocks
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DEMO PHASE 3: TESTING IN ONKALO WITH BENTONITE BLOCKS
• Alternative buffer: Mixture of uniaxially pressed
benonite and concrete blocks.
• Bentonite blocks in critical positions:
• Bottom and top
• First and last ring
• First on the canister
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WORK SAFETY OF BIM AND BTD
• During the demonstrations, access to the test
place is limited.
• Demo Phase 1 in the test hall.
• When demonstration is going on, only operators
and reponsible persons can be in the test hall!
• Special arrangements for visitors; the access is
denied, follow up of demonstrations via cameras.
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WORK SAFETY OF BIM AND BTD
• Demo Phase 2 and 3
• Steering of installation will be performed
by cameras with wireless method outside
of disposal tunnel
• During the installation the access to
disposal tunnel is denied
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WORK SAFETY OF BIM AND BTD
• Before the start of demonstrations, is
needed:
• Detailed test plan.
• Safety estimation of tests.
• Training of employers for working in
Onkalo area and in demonstrations.
• Operating manual of machines.
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