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7711c ventilation <br />Attic Ventilation to be in compliance with the Florida Building Code 5th Edition <br />(2014) Residential R806. <br />The Minimum net free ventilating area shall be 1/150 of the area of the vented <br />space. The ventilating area may be reduced to 1/300 provided that at least 40% <br />but no more than 50% of the required ventilation is provided in the upper portion o <br />the space to be ventilated. Upper ventilators shall be located no more than 3 feet <br />(measured vertically) below the ridge or highest point of the space, with the <br />balance of the required ventilation provided by eave or cornice vents. <br />VENTED SOFFIT 48 SQ. FT. <br />-CALCULATIONS BASED ON THE FOLLOWING VALUES, SEE ROOF PLAN - <br />(Values to be verified with Manufacturer Specifications) <br />-RIDGEVENTS 15 SQ. IN. OF NET FREE AREA /LINEAR FT. <br />• OFF -RIDGE VENTS 138 SQ. IN. OF NET FREE AREA / UNIT <br />•......••• <br />••••••••• <br />••••••••••••••• <br />•SOFFIT VENTS 7SQ. IN. OFNET FREE AREA /SQ. FT. <br />co <br />' • • *If not enough vented soffit is provided due to fire protection, the contractor shall use the <br />7.1 following approved vents: <br />• • • • LOMANCO DECK -AIR (Shingle Roof) - 9 SQ. IN. OF NET FREE AREA / FT. <br />�..• . **Formula: (Sq. Ft. Soffit Needed) x 7 = (Sq. In. Needed) / 9 = Linear Ft. of Deck -Air Needed) <br />..: • O'HAGIN (Tile Roof) - 86.25 SQ. IN. OF NET FREE AREA / VENT <br />**Formula: (Sq. Ft. Soffit Needed) x 7 = (Sq. In. Needed) 186.25 = Amount of O'Hagin Vents Needed <br />I• <br />ZONE-3 <br />ATTIC SPACE <br />I: <br />3366 SQ. FT. <br />I:• <br />l <br />LL- E ' LL <br />�.. •'00 <br />LL LL <br />Li- <br />0 �'• 0 <br />Cn ... W <br />M �'• ll� <br />W W <br />f: <br />is <br />(E• <br />1•' <br />I•' <br />��. <br />�- <br />• � �• <br />�. �. <br />0 �,. <br />LL <br />o �: <br />0 . <br />I-- <br />Z Q �.. <br />�•. <br />�•• <br />:' <br />�...:. .I is �.•. <br />VENTED SOFFIT 9 SQ. FT. <br />VENTED SOFFIT 4 SQ. FT. VENTED SOFFIT 4 SQ. FT. ROOF PLAN -A_ <br />SCALE: %4"=V-0" <br />• <br />ATTIC VENTILATION CALCULATIONS - A <br />ATTIC VENTILATION REQUIRED UPPER VENTILATION PROVIDED <br />1/150 Rule 1/300 Rule Ridge Vent Amt (No Upper Ventilators (Must Provide Upper Ventilators) (Ft.) Off -Ridge Amt. <br />Req.) <br />Total Ventilation <br />ATTIC Provided by <br />SPACE SQ. FT. SQ. IN. of Upper <br />SQ. FT. Total SQ. Ventilators <br />SQ. IN. of of ventilation to <br />of vented IN. of SQ. IN. of 5Q. IN. of (See Elev) <br />ventilation vented be provided <br />required soffit ventilation soffit by upper Ventilation Ventilation <br />needed required needed ventilators <br />LL00 <br />Main 22.0 3.0 <br />Floor 3366 3231 <br />LL <br />462 161ti 115 808 744.0 <br />(Zone 3) 330.0 414.0 <br />ILL. W <br />0.0 0.0 <br />0 0 0 0 0 0 0.0 <br />0.0 0.0 <br />0 0.0 0.0 <br />W <br />0 0 0 0 0 0.0 <br />W <br />0.0 0.0 <br />**NOTE** <br />GENERAL CONTRACTOR MUST ENSURE THAT PROPER VENTILATION IS PROVIDED AT EAVES/SOFFITS AS <br />W7. <br />REQUIRED BY FBC 5th ED. RESIDENTIAL. <br />VENTED SOFFIT LEGEND <br />IF SOFFIT IS LABELED AS "NON -VENTING" FIRE PROTECTION WILL BE INSTALLED <br />AS REQUIRED BY SECTION R302 OF THE FBC 5th EDITION (2014) RESIDENTIAL. IF <br />LABELED AS "VENTED", NO FIRE PROTECTION WILL BE REQUIRED. <br />VENTED SOFFIT <br />zM <br />00 <br />— o <br />z� <br />Q <br />Z <br />W c/3 <br />.N w <br />(Dru C) <br />N <br />W ~ <br />IO � O v 1 � 00 <br />TC ~ U m ~ <br />`V 0)M <br />W C c0 Claj )~ E O oN <br />— U <br />L LL OD <br />7 <br />U� Sao <br />CY V7 O"t <br />Q O) <br />A' N C B D C <br />B D. <br />�o <br />N <br />V. � b,Yi ry 'iN Z <br />�-�c <br />� <br />(LU <br />LL 0 <br />ram' O ;1�.� � • � <br />¢� LL O <br />rf <br />z <br />W <br />Q- r M .0 <br />�e� '(�/A1: 1.7E i AZ'r1A�i�6 ei m CC77 ❑ ❑ <br />To the best of the Engineer's knowledge, information, and <br />belief, the structural plans and specifications contained <br />within these drawings comply with the Florida Building <br />Code 5th Edition (2014) Residential. Engineer's signature <br />and seal is only for the structural engineering portions of <br />the drawing pages bearing Engineer's signature and seal. <br />Z N <br />�M <br />Q � 0 to <br />z z E <br />cv <br />C:) <br />W <br />z <br />J� <br />J <br />pz <br />W I�1. O <br />mZl—�n: <br />UI—�V) 00 <br />rzZ }�z¢U <br />>-Q8a <br />��ZW�Z <br />C7zp�a W <br />g��Fo ooo=W <br />F-O <br />rl OZNOO <br />O <br />rl <br />Lli <br />Ln <br />v � 0 0 � <br />z C)p�W�2 <br />zp��o <br />LL 8 <br />M <br />z <br />� z �Wou_zQ <br />C)Q �aaoo <br />TI JOrzQ <br />rl J � QaQw <br />Z O LLQ <br />lO � n/ <br />z <br />SCALE : AS NOTED <br />PLOT DATE : 12/7/2012 <br />TECH: M]AMES <br />VERSION NO. <br />100 <br />JOB NO: 16-6652 <br />SHEET N0. <br />4 <br />zM <br />00 <br />— o <br />z� <br />Q <br />Z <br />W c/3 <br />.N w <br />(Dru C) <br />N <br />W ~ <br />IO � O v 1 � 00 <br />TC ~ U m ~ <br />`V 0)M <br />W C c0 Claj )~ E O oN <br />— U <br />L LL OD <br />7 <br />U� Sao <br />CY V7 O"t <br />Q O) <br />A' N C B D C <br />B D. <br />�o <br />N <br />V. � b,Yi ry 'iN Z <br />�-�c <br />� <br />(LU <br />LL 0 <br />ram' O ;1�.� � • � <br />¢� LL O <br />rf <br />z <br />W <br />Q- r M .0 <br />�e� '(�/A1: 1.7E i AZ'r1A�i�6 ei m CC77 ❑ ❑ <br />To the best of the Engineer's knowledge, information, and <br />belief, the structural plans and specifications contained <br />within these drawings comply with the Florida Building <br />Code 5th Edition (2014) Residential. Engineer's signature <br />and seal is only for the structural engineering portions of <br />the drawing pages bearing Engineer's signature and seal. <br />Z N <br />�M <br />Q � 0 to <br />z z E <br />cv <br />C:) <br />W <br />z <br />J� <br />J <br />pz <br />W I�1. O <br />mZl—�n: <br />UI—�V) 00 <br />rzZ }�z¢U <br />>-Q8a <br />��ZW�Z <br />C7zp�a W <br />g��Fo ooo=W <br />F-O <br />rl OZNOO <br />O <br />rl <br />Lli <br />Ln <br />v � 0 0 � <br />z C)p�W�2 <br />zp��o <br />LL 8 <br />M <br />z <br />� z �Wou_zQ <br />C)Q �aaoo <br />TI JOrzQ <br />rl J � QaQw <br />Z O LLQ <br />lO � n/ <br />z <br />SCALE : AS NOTED <br />PLOT DATE : 12/7/2012 <br />TECH: M]AMES <br />VERSION NO. <br />100 <br />JOB NO: 16-6652 <br />SHEET N0. <br />4 <br />