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Catie Peck-Long Ext691 ( 9/11 ) 02/24/2015 02:43 :01 PM -0600 <br /> Makeup Air Opening Table for New and Existing Dwelling <br /> Table 501.3.2 <br /> ------------------I--........ <br /> One GY multiple power one or multiple fan. 0neaitmosphericalty multiple atmospherically <br /> vent,direct vent ap- assisted appliances and vented gas(ji oil W vented gas or oil ap- Duct& <br /> pliances,or no com1bu5- power vent or direct phance or one solid fuel pliancia,5 or solid fuel ametei <br /> tion appliances vent appliances appliance appliances <br /> Column Column H Column C column D <br /> Passive opening 1-36 1-22 a--15 3 <br /> ....................... _­­I........... ............... ......................................... __- ­­­ . - I <br /> Passive opening 37-66 23-41 10 17 4 <br /> Passive opening 67-109 42-66 29-46 18-28 5 <br /> Passive opening 62 47-69 29-42 6 <br /> ..................... <br /> Passive opening -232 I(YI-14.4 70-99 <br /> 63-51 7 <br /> o--pe n_in­g'__­•_'_­**"--,- <br /> Passive 1.3.3--31714495 <br /> 1 100-135 62-83 8 <br /> Passive opening 918­419 A6 <br /> w/motIrizer damper ......................................... ................... <br /> Passive opening 420 x49 33.1 ISO-2.30 111-142 20 <br /> ...�K4aqq6z d d <br /> .f.L-En—per __.- __..............__.............. ........ .......... <br /> Passive opening SQ-679 333. 419 261-29() 1.43-179 11 <br /> w/mottorized darnper ........................ ............................. <br /> Powered makeup air >679 >419 >290 >179 <br /> _NA <br /> Notes: <br /> A. An equivalent length of 100 feet of round smooth metal duct is assumed. Subtract 40 feet for the exterior hood and ten feet for each 90-degree elbow to <br /> determine the remaining length of straight duct allowable. <br /> B. If flexible duct is used,increase the duct diameter by one inch. Flexible duct shall be stretched with minimal sags. Compressed duct shall not be accepted <br /> C_ Barometric dampers are prr)hibited in passive makeup air openings when anyatmosphericafly vented appliance is installed, <br /> D. Puymred makeup air shall he e0ertrically interlocked with the largest exhaust System. <br /> Sections F <br /> Combustion air <br /> ......................... ...... <br /> Not required per mechanical ical code(No atmospheric or power vented apoilan ces) <br /> -7 <br /> Passive(see IFGC Appendix E,Worksheet.F.I Size arid tyl.,je <br /> ................... <br /> ei,describer <br /> ........... ------- <br /> Explanation-If no atmospheric or power vented appliances are installed,check the appropriate box,not required, ff a power vented <br /> or otmosphericoily vented appliance installed,use iFGCAppendix F,Worksheet E I(.see beloivv). Please entersize and type. Combus- <br /> ticm air vent Supplies n7u.5t cwMirtunicate with the appliance or appliances that require the canibustion air. <br /> Section F calculations follow on the next 2 pages, <br /> Page 4,of 6 <br /> ................ ......................... ....... ........... <br />