Agenda - 06-05-2001-9e - Laserfiche WebLink

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Staff Summary of Robson and Woese HVAC System Life Cycle Analysis a Richard E. Whiffed and Northern Human Services Center Richard E. Whiffed Human Services Center System.. Probable Energy' Simple Uniform " Median Description Construction Costs Payback, Annual Cost Useful Cost. ($) r; , a ~$)~Ye y ears ~$) System Life ears Multi-zone, Air- cooled chiller and natural gas $1,204,900 $60,900 N/A $105,800 20 bolter VAV, Air-cooled ~ _ ~ ". "c liiller arld . ;r ~ ` ~ . ~ ~ .; ~ ~~ ~ ~ ~ ~~ natural .gas : ~ ~ ~ ~~ ,~~$1 X3(19,2©0- a»~' ,$49,500 ~~~~ ,~8 0 ~_ ~~~ , ...$98,200 ;. ,~6. ~ 20 p~ler : -, b ._ We recommend the insfallation of a variable air volume system with terminal reheat for the Whiffed Building based on uniform annual cost. Cooling source will be an air cooled wafer chiller to replace the existing water-cooled unit. Northern Human Services Center ~~y~stem Descriih!tian Prnb"able , ":'" fi ' rgy tltiifbrm Median. Constructuon Costs. ($) Annual Cast Useful . Cost ($) y., . ($) SYstem'l_ife f ~ ~~ cars Multi-zone, Air- cooled "Chiller and Fuel Oil Boiler $621,700 $37 100 $60,200 20 Multi-zone, Air- cooled Chiller and Pro ane Boiler $613,200 $58,500 $81 300 20 VA ~ ir-coaled ::f ~.~ ~ r"" i ~~~~ ,~ ~ ~ ~ I , y : ~ . ,' ',4 ~ , Chiller°and Fuel Dil - ~: w ~..., VAV, Air-cooled Chiller and Propane Boiler $595,400 $34,800 $57,000 20 PRTU--Multi-zone $521,300 $57,200 $85,300 15 PRTU-VAV $506,200 $33 200 $60,400 15 PTAC $328,140 $26,800 $69,200 ~ 6 Window AC & 6 (window AC) Steam Boiler $464,660 $24 200 $57,700 20 boiler We recommend the installation of a new HVAC system genera!!y consisting "'of a variable air volume HVAC system with terminal reheat, utilising an air cooled chiller and oil fired boiler based on uniform annua! cost.