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.
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!
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.
Roslin Freezer Measurements 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.
FreezerTemp Setting (C)KWhr (-20) sm. Beko (A+)-200.2 (-20) lg. Ocean Frost Free-201.5 (-20) Chest freezer-201.6 (+4) Cryotechnics Lab fridge42.01 (+4) Proline (food fridge)40.74 (-80) NB U725 - efficient*(empty)-8014.4 (-80) Panasonic Sanyo VIP-7510.3 (-70) Assab (15-20 years old)-70 18 TemperatureReal CostsSavings from -80 (£ ) -70354.78114.975 -75427.0542.705 -80469.7550 -70328.5105.12 -75341.6491.98 -80433.620 -70308.79154.395 -75390.91572.27 -80463.1850 Roslin Freezer Measurements Costed Savings for Temp increases from -80 per Annum* Further Various Freezer Readings *At.09 pounds per KWhr
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
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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