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2 3 4 <br /> 13J 7.2.2 -133 <br /> 2l <br /> TYPICAL <br /> D5 <br /> BUILD NS <br /> LIM <br /> LINE <br /> j ",\ `i�t'='''.::� .�r�<: .,r ``` -'-`s"r:r, :;'�Li;�„� '�•.��>�,`.� Z>.i,•���<t���'.:.•' <br /> i Note: An Ice barrier that consists of atleast two layers of underlayment cemented together �Y�_ <br /> ` V <br /> :or of a self-adhering polymer modified bitumen sheet, shall be used In lieu of normal <br /> ` ` s �\ f <br /> . a to a point atleast 24 inches (G 1 0 mm) Inslde )1 t'�� ) rI TYPICAL <br /> underla ment and extend from the eave's ed <br /> !the exterior wall line of the bulldin <br /> �. ----- ------------- ' <br /> Dormer Area 3 Car <br /> Roof Location House Porch Garage TYPICAL <br /> ;�A `''''' NIP LINE <br /> A B C Garage <br /> TYPICAL ROOP <br /> Total Attic Area(511t.) (455 :2t? Na <br /> 15G f 4L? Na VENT AS PER °e" \\\ �) <br /> TYPICAL \ - �' , <br /> euIL NE L--_— <br /> Total Vent Area Required(sq.In.) (I) LINE <br /> (Attic Area/300)'144 G95 58 #### 99 150 134 ###### � '', `H` ;` <br /> (Atilt Area/150)•144 for unln5ulated porch d garage rooks' <br /> 349 58 #### 50 14 ; = i \ <br /> Ridcge Required <br /> pe.Q 61 Sq. in.ea. G I #### <br /> sq. m 349 r 150 134 ###### ail <br /> 5offlt Required 8 7 ###### a `.` ` \ <br /> z <br /> lin.ft. Q 19.GAin.ft. 18 <br /> _ t \ ... 27 <br /> I _ —______ .— —_—__ !-- _.._.__{ • ', '`I`�'\ <br /> TYPICAL <br /> 6: <br /> RIDGE LINE <br /> To be filledfjn ��ajft_ 1-- -- --- -- ------ --- ---- --- Wd <br /> Ir \. ' — — -- ---- <br /> I) The Total Vent Area Required (sq. In.) Is determined by the following formula: —_i `- ;-=-J - "` <br /> -- Total Attic Area (sq.ft.)/ 300 X 144 (sq.m./sq. ft.). ROOP <br /> ''..". `\::..\ VENT TYFII <br /> 2) Roof vents must obtain 50% of the required vented area while the remainder <br /> 1 well be vented at the sofFlt. The number of required roof vents Is determined — m <br /> TYPICAL <br /> ,.—_.. j NIP LINE ` <br /> >,` `� <br /> ! by the following formula: Total Vent Area Required (sq. In.)/ 2/ G I (5q. m.)sq. – WP LINE \, `> ,.�. VALTYPICAL <br /> 612 \�:'." LINE <br /> ! ft.). The required lineal soffit venting Is determined by the following formula: <br /> Total Vent Area Required (sq. In.)/ 2/ 19.G (sq. In./lin. ft.). \,� •;` <br /> 3) At dormers an additional 1/300 ventilation of the actual dormer area will beattic area already vented at the I/300 - LL <br /> provided over and above the total a i �, \\`.. �, <br /> P <br /> requirement. To do this repeat step I . ; <br /> j.O <br /> Notes: \ '\ `\� j\c� } \ \ <br /> r required <br /> In roof area where structurals feasible) fo <br /> All dormers to be open to ma ( Y \�.,.�.�::..::>.,:::::.<�:\:r:��;:><:.: i:...>>:.:a.: :�: .•.:':�,:;-<::.�.•��' 6:12 6:12 �� _-•. �: 2� <br /> _ <br /> ! ventilation and vented Individually per plan. I 2-I 4:1 TYPICAL D.s <br /> ! 1 26 I VALLEY LIM <br /> Roof vents to be spared equally alon roof 12" from ridge. 1 <br /> es to e <br /> Ins <br /> to Iled <br /> In every <br /> attic <br /> truss s <br /> ace <br /> x <br /> 48' air chat b I <br /> 22" fY <br /> p <br /> 1_.— <br /> I <br /> by. <br /> ! For roof flashing additional Ice barrier Information see detail#3. 1 2") - r <br /> xPICAL KEY, <br /> i ..— -- .—._._.._..._...._.._.....�_—__._____._..—_._— _—._...... � D9 NIP LINE . <br /> r LOCAATEr <br /> TION <br /> I•la'f'2TTER5 AND DOM SPOUTS DO NOT APPLY designed by <br /> Erewn by <br /> L d by <br /> date:L L ROOF PLAN EL. B sera' 2-uo` <br /> SCALE.V5,-I'-O- — <br /> sheet: <br /> 4 .2 . 1 <br /> J <br />