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� G6�05/2014 THU 8: 36 FAX 763 473 8565 Sabre Plumbing & Heating �004/007 <br /> Direciions-!n order to determine the makeup air, rable 501.3.1 rnusr be filled out(see befow). For mosi new installations,column A <br /> will be approprinte, however,if atmospfiericolly vented appliances or solid fuel applinnces are installed, use the appropriote coknnn. <br /> For existing dwellings,see IMC 501.3.3. Please note,ij the makeup air quantity is negative,no addrtiona!makeup air will be re- <br /> quired for ventilation,if the value is posrtive refer to Table 501.3.2 and size the opening. Transfer the cfm,size of opening pnd type <br /> (round,recCangular,flex or rrgid)fo the last line of section D. The make-up air supply musi be installed per/MC 501.3.2.3. <br /> Table 501.3.1 � <br /> PROCEDURE TO DETERMiN�MAKEUP AIR QUANITY FOR EXHAUST EQUIPMENT IN DWELLINGS <br /> {AddiUonal com�ustion air will be required(or combusllon appiiances,see KAIR method for calculations) <br /> One or multiple power One or mu!tiple fan- One atmospherically vent Multiple atmospherical- <br /> vent or direct vent ap- assisted appliances and gas or oil appliance or ly vented gas or oil <br /> ; pliances or no combus- power vent or direct vent one solid fuef appiiance appliances or solid fuel <br /> ; tion appliances appliances app�iances <br /> i <br /> Column C Column D <br /> Column A Column 6 <br /> ___._._Y�.----__,_. , ._---i---..._.__... . -... -- - _....._._. _____ - - ---- ----_ ------------ <br /> 1. <br /> a)preswre factor 0.15 0,09 0.0G 0.03 <br /> (ctm/st) <br /> ----- --__ _ _ _____...__...--- ---___--__...__—_— ----..._. �_ <br /> b)conditioned floor area(sfJ(induding ; 2g78 � <br /> unfinished basements) � _` <br /> EStimated House Infikration(dm):�la <br /> x 1f�J � 178 <br /> 2.Exhaust Capaciry ��^l^V - W- ------- — <br /> a)continuousexhaust-onlyvenUlation � ERV=O f-{R�/=Q <br /> 5yslem(cfm);(not applicable Io ba <br /> lanced ventifation systems such as <br /> HRV) <br /> b)dathes dryer�ctm) � �—_ 135 � 135 F---- 135 --- 135 v <br /> c�80%of lar�est exhaust rating(c(m),�— � 64 <br /> Kitchen hood typically ( <br /> (not applicable if recirculating system <br /> or i(powered makeup air is electrically <br /> Interlocked and match to exhaustJ � <br /> d)80�of next largest ezhaust rating � <br /> �ctm); bath fan typicaliy Not 64 <br /> (no[applitable if re<irculating system <br /> or if powered rnakeup air is eiectrically Applicable <br /> interiocked and matched to exfiaust) <br /> ---- _.__.._ ----- --_._..._ __- ._ ._....- --- --- <br /> Total[xhaust Capacity(cfm�; ��� <br /> (2a+2b+2c�2dJ <br /> 3.M�kCup Air Quantity(c(m) � ��� <br /> a}total exhaust capacity�(rom above) <br /> b)estimated house infiltration(frtim �� -`- <br /> al�ove) � 178 <br /> MakeupAirQuantity�tfin); i -----.----------_-- <br /> �s�-3i>� 85 <br /> (if value is negative,no makeup air is <br /> needed� <br /> 4,For makeup Air Opening Sizin�,refer � ` �v <br /> to Table 501.4.2 � 7"Rigid or 8"Flex Passive <br /> �--- <br /> A. Use this column i(ther�are other than tamassisted or�tmospherically vented gas or oil appliance or if there are no combusiion appliances.(Power vent <br /> and direct vent appliances may be used.) <br /> I4. Use this[olumn if there is one fan-assisted appliance per venting system.(Appliances other(han aUnosphcrically vented appli�nces may also be im <br /> duded.) <br /> C. Use Ihis column f!there is one atmosphe�ically vented(other than fan-assisted)gas or oil appliance per venting system or onP solitl fuel appliance. <br /> D. Use this column if there are multiple atmospherically vented gas or oil appliances using a cominon vent or If there are atmospherically vented�as or oil <br /> apP��ances and solid fuel appliances. <br />