HomeMy WebLinkAboutFile Documents.735 Castle Creek Dr.0196.2018 (26).ARBK 2015 IMC as amended by Ordinance 40,2016
V3 modified 6/9/2017
Instructions:
1.Enter the floor area in square feet of the residential unit in question.
2.Enter the number of bedrooms.
3.The required continuous balanced ventilation rate is displayed.
4.If you wish to ventilate intermittently,enter the number of hours you want the system to run every 4 hour period to get the required intermittent
balanced ventilation rate;or,enter the desired outdoor ventilation rate to get the number of hours it will need to run every 4 hour period.
Floor Area(Afloor) #of Bedrooms(Nbr) Number of occupants Required Continuous Balanced
Outdoor Ventilation Rate(Qr)
3,425 sqft 4 5 54 cfm
Desired number of hours Required Intermittent Balanced
operated each 4 hour Outdoor Ventilation Rate
period
1.33 hrs 162 cfm
OR
Desired intermittent Required number of hours operated
balanced outdoor
ventilation rate each 4 hour period
0.00 hrs
Qr=((0.01 x Afloor)+[7.5 x(Nbr+1)])x Sc
Qr=ventilation flow rate,cubic feet per minute(cfm)
Afloor=floor area in square feet(ft2)
Nbr=number of bedrooms,not less than one
Sc=0.75(system coefficient for balanced systems)
The City of Aspen has created and provided this software solely as a reference.Users should obtain assistance from a qualified
professional to verify accuracy and applicability before proceeding.The City of Aspen makes no express or implied warranty
with respect to this software or any information contained herein.To the full extent permissible by law,the City of Aspen
disclaims all responsibility for any damages or losses(including,without limitation,structural damage,building defects,
financial loss,damages for loss in business projects,loss of profits or other consequential losses)arising in contract,tort or
otherwise from the use of or inability to use this software,or from any action or decision taken as a result of using this p F F I� E
e.
04/17/2019
ASPEN
BUILDING DEPARTMENT