30 Engineered Systems October 2010

BY AMANDA MCKEW

Application: Original design intent – Research facility for diagnosis and treatment of animal disease and injuries, with six double-duct central AHUs. The constant volume with double-duct air terminals operate 24/7 to serve the following spaces:

Temperature and humidity for library space and rare book rooms:Heating season: 72°F and 35% rh Cooling season: 72° and 55% rh

Energy conservation features: NoneEnergy conservation features for central AHU: NoneFilters: Prefilter 30% efficiency (MERV 7), and final filters 65% (MERV 11)HWS: 200° HWR, 180° CHWS, 42° CHWR, 52° Supply air temperature: 55° heating season / 55° cooling seasonZone control: Double-duct terminal units based on space temperature thermostat

Basis of design – Current application: current design intent – classrooms, lecture halls, and administration space for School of Veterinary Medicine Study. Constant volume with double-duct air terminals operating 24/7 to serve the following spaces:

Temperature and humidity for library space and rare book rooms:Heating season: Occupied 70° and N/A % rh; unoccupied 60° and N/A % rh; Comment: No humidificationCooling season: Occupied 76° and 55% rh; unoccupied 80° and 60% rh maximum

MONTH 1 - THE ENERGY CONSERVATION OPPORTUNITY: School of Veterinary Research to Veterinary Medicine Classroom Application

�TheFacilityFiles

Room type Hours of occupancy Days of ocupancy Months of occupancy RemarksLibrary space 24 hrs/day 5 days/week 12 mos/yr

Autopsy 24 hrs/day 5 days/week 12 mos/yr

Research labs 24 hrs/day 7 days/week 12 mos/yr

Offices 24 hrs/day 5 days/week 12 mos/yr

Public space 24 hrs/day 7 days/week 12 mos/yr

Room type Hours of occupancy Days of ocupancy Months of occupancy RemarksLibrary space 16 hrs/day 7 days/week 9 mos/yr September-MayClassrooms 6 hrs/day 5 days/week 9 mos/yr September-May

Lecture halls 4 hrs/day 5 days/week k 9 mos/yr September-May

Offices 9 hrs/day 5 days/week 12 mos/yr

Public space 24 hrs/day 7 days/week ek 12 mos/yr

Room type Space pressure Min. ach OA (ach or cfm/person) Direct exhaustLibrary space Neutral 6 ach 2 ach No

Autopsy Negative 15 ach 15 ach Yes

Research labs Negative 15 ach 15 ach Yes

Offices Positive 6 ach 2 ach No

Public space Positive 6 ach 2 ach No

Room type Space pressure Min. ach OA (ach or cfm/person) Direct exhaustLibrary space Neutral 6 ach 1 ach NoClassrooms Neutral 6 ach 2 ach No

Lecture halls Neutral 8 ach 2 ach No

Offices Neutral 6 ach 1 ach No

Public space Neutral 4 ach 1 ach No

CARBON FOOTPRINTCarbon Neutral

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