Risk Assessment for Recycling and Waste Disposal

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Whole Life Costing Case Study Purified Water
Equipment / Still Replacement
Note that fuller paper available from Sarah
Russell Sarah Russell, Assistant Energy
Manager Edinburgh University, Estates
Buildings Works Division, 11 Infirmary St,
Edinburgh EH1 1NP Tel [phone]
S.Russell_at_ed.ac.uk
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Summary

• Still Replacement Project
• Whole Life Cycle Analysis
• Water Electricity Conservation

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How it all began..

• Geography
• Elga Rep
• Energy Manager, Bath University
• Certain savings could be made

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Investigation Tender

• Investigation
• With help from Elga Rep
• Tender
• Help from Procurement
• OJEC

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JPPSG - Whole Life Cycle Package

• www.jppsg.ac.uk/guidance/toolkits.asp
• Qualitative Quantitative Assessment Criteria
• Standard Criteria
• Additional Criteria
• User Requirements

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Whole Life Cycle Assessment

• 3 companies replied to Tender
• End Users scored the options
• Highest scores Millipore Elga

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Whole Life Cycle Cost Analysis

• Developed spreadsheet
• 10 year Corporate Whole Life Cycle Cost
• Consumable costs
• Utilities costs
• Capital costs
• Effect of annual volume demand of purified water
  on Payback

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The Next Stage.

• References
• Formal Interviews
• Best And Final Offers
• Results

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Paybacks
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Conclusions

• Whole Life Cycle Package good exercise
• OJEC Good Discipline
• In some cases stills are more economic due to
  cost of consumables
• Spent 49,000 on Capital Purchases should save
  over 11,000 p.a. on utilities