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2fl12 Internationa!IV�echanical Cod� <br /> �03.�.6��1hol��o�s���entil�taoi�tivi�� ��h���s�f�r� 3. Far inYerior adjoinin�spaces�vitha�lt��rtclool-air <br /> sg��t�m�. This sectian establishes tninimtun rec�L�irements op�nin�s, ane of the folla�vir����vo�pti�icls shall be <br /> far machanic�I whale hause v�ntilatiatt systems iasing tised ta ventilate the interior adjoinin5 space: <br /> exhaust fans. 3.1 k'rovide a�vhole house transfer fan at the interior <br /> 4fl3,�.6.2 d��itdoar air. �x�aust fan anly ventilation adjc�inin�space sized t�pravicle a mini�nc�m af <br /> systelns shall provicle outdaor air ta eac�occi��i�bte sp�ce the ventiiation r�te requirecl per SecTion <br /> throu�h ane ofthe following rnethocts: 403.$.5.1. `I"he tr�nsfer f�n sh�l1 circulate air <br /> 1. (�utclaar air may be clra��n�troubh air inlets installet� bet�vee��fhe interior raonz c�c space�nd ihe <br /> in exterior w�11s or tvincio�vs.The au-in�ets shall ac�jaeent h3bit�ble space. The transfer fan may. <br /> coi��ply with all c�fthe follotiving: apet�te canfiin�.lot�sly or inten�nitfently��sin� <br /> 1.1 In�ets sh�il have cantroltable,sec����e operiings cQntrols per SectiUn f�03.8.2. <br /> anct shall be designed ta n�t cotnpt�amise fihe 3.2 k'ravicle a penxtr�nent apeninb to t[7e interioc� <br /> thermal properties of ftie bui�ciing envelope. acijaining spac�. Openitl�shall be un�bstr�icted <br /> 1.2. Inl�ts shali be�ccessibie ta occup�nts, and shall have aza are�of not less than�percet�t <br /> inciucling couipliance with Sectian 1104.13 of c�f ttte#�loor are�af tlie i��t�rior adjainin;sp�ce, <br /> the Int�rncrtioncrl Bzrileling�r�cte for but not less than 25 sqtcare feet <br /> �esignateci crccessible units, Ty�e t� zl�rits anct �43.$.6.'��t�tsid��ir i�t�l�e tcac�tia�is. �li Qt�tside air <br /> Type I3 uYuts. intake a�ening tYPes ttescribed iri Section 403.8.6,I sl�aIi be <br /> 1.3, Iniets sh�tl be screeneci or ottle��4vise classified operable o�enir��s and shali nc�t be classiEied as <br /> protecteci fraln enkry by insects,Ie�ves,or �n�chanical air intaices.The intake Locations sh�11 comply <br /> ather rnateri�l. �vith Section�03.8.3. <br /> I.�. Inlets sha11�rovide nat less than 4 sqf��re �#03.�.G.3�hol�h��ise e�h�aaast system. Wtlote house <br /> inches of net free a��e�c�f apening for eaen 10 exk�aust systern sha�i be ctesi5�ed a�lc�insta�let�to meet all of <br /> cfm of a�.�tdot�r air rec���ired in Table�03,3 az� the applicable criteria belotiv: <br /> Table 4(?3.8.l. <br /> � 1.5. Any inlet ar cort�binafiion of inlets which �- �'�Q�e hoc�se ven�ilation exhl«st sh�ll be dischargeci <br /> provicte IO ctin at 10 Pascats as determined o�ztdoors. <br /> bv the F3ome Ve�tilation Institute Air Flow ?• Exhaust c�utiets shatl campiy�vitlz Sectian 501_2. <br /> Test Stand�r�(I�V[90l (Noverrtber 1996)} 3. F'�iaust ciucts in systelns tr•kzich az�e clesigned to <br /> are deemed eqt2ivalent to 4 square inches of operate intennittently shall be ec�tiipped�vith back- <br /> net fi-ee area. dz-aft dampecs. <br /> 1.6. Each occ�.�piabte space shall have�miniin��m �. Ali e�aust dilcts in t�nconc(ifioned splces shali b� <br /> of one air iniet that has�mzt�i�t��im of� ins��lated to a minzm«m of R-4.5.Ter�ninal outlet <br /> sq�Gare inches of net free�rea, elements sl�all have at least the equivatent net�'ree <br /> 2. In hi�h-��ise b�rilc�u�gs,outctoor air may b�clzativ�in arza of the cluet�vork. <br /> thz�ough t�perabie tivincio�vs,doors,toilvers or other 5. Tenninai ot2tlet elements shai�be screeneci c�r <br /> oper�ble openings ta the c�utdoors.Exterior spaces otizer�vise protected as��ec��tiz�:ci by Section 501.2.2. <br /> shali have a minirnum openabie area of4 percent of �. pne of the z�equired Iacal�xha�ast f�ns�c�r the taundry <br /> the total floar area being ventiiatecl. Doors eYiting to r�om or bathroom tnay be designatec�as the 4�rhote <br /> a corridor,co��rt or public�vay shall not be�lsed to hac�se e�laust fan. <br /> pravieie autdoor�ir.The operabie openings s��a�I 7. Exha�ist fans in separate c��vellin�units or sleepin� <br /> coinply�vith tlle follo�ving: ur�its si�all npt sha�-e cammon e�kr�ust dE�ces l�nless the <br /> 2.1. 4penirigs shall be controltabie,securab�e,artcl syrstern is engin�ered far this operation. <br /> shalt be clesigned to not compronxise the <br /> thel-mal praperties of the builcting envelope. �. Where pe�7nittec�l�yr C;hapter 5 �ti�hale hc�use e:chaust <br /> 2.'�. Qpenings sh�ll be accesszble ta occupants, duc#s�iay be combined�,vit��other locat e�aust <br /> incl�cditlb compliance Fvith Section 1109.13 af ducts,If r�lore than onv of the exhaust fans in a <br /> tha Inter�nrztiancrl Buzlding C��e for c�GG��Ilinb anit or sleepirig unit shares a commfln <br /> ciesignated crc�essdbl�xcnits, Type�1 xrnits and ��'��st duct then each exhaust fan shaii be ec�uippecl <br /> �'ype�aanits. �vith�back-ciraft clamper to prevent the recirculatian <br /> of e.�haust�ir frc�zxi ot�e roUm tQ anather room via the <br /> exhaust d�ictuag system, <br /> (Insert as Page 37d} <br /> Effective Ju1y 1,2013 <br />