Transcript
Page 1: COLD STORAGE AND  L ABORATORIES

COLD STORAGE AND LABORATORIES

ROSLIN OLD TO NEW AND MAKING THE BEST OF WHAT YOU

HAVE.

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Old Roslin

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OLD Roslin Now

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Roslin New

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Shared lab space and open plan office

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Roslin Office and Lab cooling

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Natural Ventilation

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Dolly

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Old Roslin Site

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Freezer Management 2001

• Freezers in various locations.• Not all alarmed.• Call-out procedures unclear.• No regular maintenance.• No emergency decant space.• No clear sample management.

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Change

• Freezer locations centralised + alarmed• Dedicated freezer team appointed• Standard Operating Procedures introduced• Daily temperature monitoring• Regular defrosts• Quality Assurance Management input-sample

tracking--easy to use sample tracking encourages uptake of use!

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IMPACT

• Efficient use of lab space- equipment and cooling .

• Efficient use of internal Freezer Space.• Easier to identify available freezer space.• Reduction in number of freezers. • Increased sample security. • Risk Register level reduced.

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Roslin Freezer Room

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Freezer Park Roof Location

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Roslin 3rd Floor Freezer Park

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Roslin Freezer Measurements

Average KWhr used per Temperature (3 freezers)

8

9

10

11

12

13

14

15

70 75 80

Temperature (C)

Avg

. KW

hr

Freezers were all U-725 New Brunswicks, all relatively full. Meters were checked against each other. All over 24 hr period, with 24 hrs allowed between each measurement.

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Freezer Temp Setting (C) KWhr

(-20) sm. Beko (A+) -20 0.2

(-20) lg. Ocean Frost Free -20 1.5

(-20) Chest freezer -20 1.6

(+4) Cryotechnics Lab fridge 4 2.01

(+4) Proline (food fridge) 4 0.74

(-80) NB U725 - efficient*(empty) -80 14.4

(-80) Panasonic Sanyo VIP -75 10.3

(-70) Assab (15-20 years old) -70 18

Temperature Real Costs Savings from -80 (£ )

-70 354.78 114.975

-75 427.05 42.705

-80 469.755 0

-70 328.5 105.12

-75 341.64 91.98

-80 433.62 0

-70 308.79 154.395

-75 390.915 72.27

-80 463.185 0

Roslin Freezer Measurements

Costed Savings for Temp increases from -80 per Annum* Further Various Freezer Readings

*At .09 pounds per KWhr

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Steps to improvement

• Replace inefficient fridges and freezers. • Encourage sharing-making user cost aware!• Utilise climate to help cool Freezer rooms.• Manage sample tracking –user friendly.• Maintain Freezers and Alarms. 2 visits/year.• Consider -20 walk-in rooms over multiple -20

chest freezers. (20% saving )• Encourage temperatures at -70 over -80

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To Do List

• Metering of cooling within freezer rooms- raise cost awareness.

• True archive freezers removed to a secure and efficiently designed building(Freezer Farm)-this would release prime space within buildings to allow either expansion or consolidation!

• Questions?


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