HomeMy WebLinkAbout05. Laboratory HVAC Upgrade and Repair, DP 7319 Business Case AnalysisDate:
Project:
Prepared By:
3/29/2016
Laboratory Chiller Replacement
Edgar Lopez 'Check By:
JMP
BUSINESS CASE ANALYSIS
Alternative 1
Alternative 2
Alternative 3
Continue to Repair and
maintain Existing Unit
Replace with in Kind
Commercial Chiller
Upgrade to Industrial
Chiller
Capital Costs For 1st Year:
Chiller Replacement Costs (incl.
Installation)
$0
$330,000
$380,000
Structural Supports Costs
$0
$125,000
$150,000
Other HVAC Improvements Costs
$0
$100,000
$100,000
Design/ CM Costs
$20,000
$240,000
$250,100
O&M Costs For 1st Year:
District Staff Time Cost
$30,000
$15,000
$5,000
Outside Service Repairs Costs
$140,000
$0
$0
Rental Chiller/ Temp Services Costs
$50,000
$82,900
$82,900
Energy Costs
Preventive Maintenance Costs
O&M Costs for Year 1
Capital Costs for Year 1
Net Present Value for 20 years
$92,000
$82,000
$74,000
$5,000
$2,000
$2,000
$317,000
$20,000
$3,074,000
$182,000
$795,000
$2,819,000
Not Recommended
Not Recommended
$164,000
$880,000
$2,418,000
Recommended
Assumptions:
Discount Rate, %
O&M Cost Inflation Rate, %
Capital Costs Inflation Rate, %
Lifecycle period, years
4.00%
2.60%
2.50%
20 years
Based upon CWMP Basis of Cost TM 3
Based on 2011-2015 Average CPI
Based on 2011-2015 Average ENR CCI