DESIGN AND INSTALLATION OF A DEPARTMENTAL NMR FACILITY
Transcript of DESIGN AND INSTALLATION OF A DEPARTMENTAL NMR FACILITY
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DESIGN AND INSTALLATION OF A DEPARTMENTAL
NMR FACILITY
NICK BURLINSONNICK BURLINSONCHEMISTRY DEPT
UNIVERSITY OF BRITISH COLUMBIA
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REASONS FOR NEW NMR FACILITY
• Centre for Higher ORder Structure Elucidation (CHORSE) CFI grant awarded to UBC Chemistry Dept (2002)
• Award included two new nmr spectrometers ordered (April 03)
• BC Provincial order (June 03) required seismic upgrade to two wings of chemistry… this meant moving all research & departmental nmrs (13 systems)
• This forced a need to find a new location for dept nmr facility (six spectrometers 200-500MHz)
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NEW NMR FACILITY PROPOSAL
• Site for only four high resolution nmr spectrometers found
AV300 with 5mm QNP-z C13,F19,P31,H1
AV400 with 5mm BBI-z
AV400 with 5mm ATM BBO-z
AV600 with 5mm TCi CRYOPROBE
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Critical Site Location Details
• Room for four magnets
• 12’ ceiling height
• No floor vibrations (at least in 0-20Hz range)
• No magnetic fields nearby
• Away from large moving metal objects
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Critical Site Location Details
• Visit by Bruker site planning engineer
• Floor loading certified by structural engineer
• AV600 magnet weighs 3800lbs full of cryogens
• Unusual 4th floor location presented problems
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4TH FLOOR B460 INORGANIC LAB CHOSEN FOR SITE
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Critical Site Location Details
• AV600 with cryoprobe dictated much of the siting details.
• The shielded 600 magnet still has a horizontal 5 gauss line 1.8 meters from its centre.
• 600’s vertical 5 gauss line is more of a problem! Extends almost 3 meters above and below centre.
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Critical Site Location Details
• 600 magnet had to be sited above 3rd floor area where no movement would occur.
• Used same area below to house 1. noisy Helium compressor 2. its noisy associated water chiller and 3. the noisy compressed air dryer
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NMR LAB DESIGN LAYOUT (A1)
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RENOVATION of B460
• A/C requirements for 600 with cryoprobe was again the “tail that wagged the dog”!! Since Bruker recommends +/- 1o F !!!
• A/C was major cost in renovation• BTU’s??? Heat load on nmr lab? With 4
systems operating??• Need to split air handler in half to fit into mech.
Rm.B462 increased cost!• Air compressor installed on roof (needs dryer)
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RENOVATION of B460
½ OF A/C AIR HANDLER
ON LEFT
HEAT EXCHANGE RESERVOIR ON RIGHT
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RENOVATION of B460A/C CHILLER ON ROOF OF B-BLOCK INSTALLED
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RENOVATION of B460
AIR COMPRESSOR
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MAGNET DELIVERY
• Elevator can’t accommodate 600 magnet which weighs 3000lbs crated.
• Delivered by crane to 4th floor thru window• Extra moving costs $3K?• Tricky for riggers to move since magnet
can’t be tipped or jarred. • UBC Insured magnet move (extra
premium costs?)
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MAGNET DELIVERY
Riggers & Thomas Buser (Bruker engineer) built platform to receive magnet crates
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MAGNET DELIVERY
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MAGNET DELIVERY
practic
400 magnet moved first ‘for practice’
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MAGNET DELIVERY
two 500 lb rated Genie’s used to lower 400 magnet to floor after pallets removed…scary part!!
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MAGNET DELIVERY
600 arrives…more nail biting!
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RENO 95% DONE
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MAGNET INSTALLATION
• JAN04 INSTALLATION BEGINS
• NEED A-FRAME WITH HOIST… 11ft CLEARANCE TO LIFT MAGNET AND PLACE LEGS ON
• NEED 3 TON PALLATE JACK• DUST FREE ROOM
• UNCRATE 600 AND PUMPDOWN• UNCRATE 400 AND PUMPDOWN
• COOL DOWNS REQUIRED 1250L LHe @$8/L
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With help of a large A-Frame hoist, Ken Barclay (Bruker engineer) adds legs to 600
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NEW AV400 ADDED TO OTHER END OF ROOM
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MOVED OLD AV300/400 FROM D140 TO B460
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MOVING AV300
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AV600 cryoprobe installed
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Bruker TCi cryoprobe in 600• 1H coil at 11K preamps at 77K S/N=6000/1
• 13C coil at ?K preamps at 77K S/N=700/1
• 15N coil ?K preamps at RT
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FINISHED NMR FACILITY