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�Il�,,:.tl. I I _.,,L...•:�, ..(,-.�,.LY ..I i- I.. __� _ I,ll��-dif��IL�illYlra <br />Attic 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 ol <br />the space to be ventilated.Upper ventilators shall be located no more than 3 feet <br />Wam <br />(measured vertically) below the ridge or highest point of the space, with the <br />balance of the required ventilation provided by save or comics vents. <br />"CALCULATIONS BASED ON THE FOLLOWING VALUES, SEE ROOF PLAN - <br />(Values to be verified with Manufacturer Specifications) <br />VENTED SOFFIT 48 SQ. FT. • RIDGE VENTS 15 SQ. IN. OF NET FREE AREA / LINEAR FT. <br />• OFF -RIDGE VENTS 138 SQ, IN. OF NET FREE AREA / UNIT <br />• SOFFIT VENTS - 7 SO. IN. OF NET FREE AREA / SQ. FT. <br />................................ ..•. •.......•...................................... ... ......: ......... . . ......... .............. . <br />•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••......•••"""""""...... o0o "If not enough vented soffit is provided due to fire proteclion, the contractor shall use <br />the <br />following approved <br />; • LOMANCOK <br />1100 <br />R. (Shingle <br />ZONE-3 ( ng Roof). 9 Needed) IN. OF NET FREE AREA / Needed) <br />•' .� � �•. • "Formula: (Sq. Ft. Sofit Needed) x 7 = (Sq. in. Needed)! 9 = (Lirbar Ft of peck -Air Needed) <br />• O'HAGIN (nle Roof) - 86.25 SO. IN. OF NET FREE AREA / VENT <br />—Formula: (Sq. Ft. Will: Needed) x 7 = (Sq. In. Needed) / 86.26 = Mom of O' e& Vents Needed <br />ATTIC SPACE <br />V) <br />• �.. 280 SQ. FT. <br />ILL <br />... .... .. _ d <br />... . . <br />II '..........• •..... .. <br />Lo <br />•:I VENTED SOFFIT 42 SQ. FT. • <br />co <br />LU <br />.J p�: <br />.� ZONE-4 <br />ATTIC SPACE <br />1740 SQ. FT. <br />CC O <br />.;; • 1' U_ <br />•••� ... co <br />LL •:•d 7.� W <br />LU <br />N .71 <br />O �• <br />co .'�LU � �'7. • <br />V IT F �'�' EN D SOFFIT 26 SQ. T. �.;:; <br />W........ .. ................................ ..:••.': <br />'........ . ". ' •........................................... ' <br />' W '.............•. ♦i♦................................... ' <br />•• • �� : . <br />ZONE-1 t�:' <br />ZONE-2 <br />ATTIC SPACE <br />k.:: ATTIC SPACE <br />:::� .. <br />269 SQ. FT. "� <br />... ... <br />• '•• •• ••• 45SQ FT <br />� ; �, :� ��rir.rR.�.�rr. . <br />'• <br />�� .... (Zone VENTED SOFFIT 15 SQ. FT. <br />0 :� r <br />r�•• <br />LU �.::. <br />Z '•� �;•. <br />...: <br />...... ..... . . ....... .......... ... <br />VENTED SOFFIT 70 SQ. FT. <br />ROOF PLAN-B_ <br />SCALE: %4"=V-0" <br />ATTIC VENTILATION CALCULATIONS - B <br />ATTIC VENTILATION REQUIRED UPPER VENTILATION PROVIDED <br />1/150 Rule 1/300 Rule RidgeVerdAmt <br />(No Upper Ventilators (Must Provide Upper Ventilators) (FL) Off -Ridge Amt <br />Req.) <br />Tatal Verdladon <br />ATTIC � <br />SPACE SQ. FT. Total SQ. SQ. FT. SQ. IN. of upper <br />SQ. IN. of of ventilation to Verdilators <br />of vented IN. of SQ. IN. of SQ. IN. of (See Bey) <br />ventilation vented be provided <br />required SO�t ventilation soffit b upper VentMain ilation Verdilaticn <br />needed required needed ventilators <br />Main 0.0 0.0 <br />Floor 269 258 37 129 9 65 0.0 <br />(Zone 1) 0.0 0.0 <br />F �o)r 45 43 6 22 2 11 0.0 0.0 0.0 <br />0.0 0.0 <br />Upper Floor 280 269 38 134 10 67 0.0 0.0 0.0 <br />(Zone 3) <br />0.0 0.0 <br />Upper Floor 1740 1670 239 835 60 418 0.0 3.0 414.0 <br />(Zone 4) <br />0.0 414.0 <br />**NOTE" <br />GENERAL CONTRACTOR MUST ENSURE THAT PROPER VENTILATION IS PROVIDED AT EAVES/SOFFITS AS <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 />Z $ <br />Z <br />a <br />J <br />ll <br />Z <br />c(j/•i) c� <br />'N w <br />w <br />O C yoy <br />TC m <br />M <br />w c W� <br />oaN <br />Q <br />c*I 'r I <br />u. <br />m <br />� O <br />A' N C•9•D C <br />BDe � _f <br />m � <br />NZ <br />Oaf <br />To the best,ofthe EngRWr's knowledge, information, and <br />belief, the struttural plans and;specifieationscontciined <br />within these draw/nQ,c Fomply"with the Florida Building <br />Code 5th Edition (2014)''Re'sidential. 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 />1 <br />0 <br />Z N <br />O�� <br />� tYf O <br />� M <br />z ON <br />M <br />L�A <br />Q aLLCL � <br />Q �00 <br />z� �° <br />W <br />J <br />ph <br />a <br />zg <br />UJ in Lu <br />zo <br />Ln <br />iE <br />LLI 11-4 N <br />BaU <br />t=OyJ7 8 �, <br />rll <br />N <br />ff <br />o QQ ��z� <br />aC70Q�FQ- <br />9 J �aV <br />� ~a W <br />O Z W <br />> �--- QZQ <br />z 0 a <br />SCALE : AS NOTED <br />PLOT DATE : 12/7/2012 <br />TECH: MJAMES <br />VERSION NO. <br />1525 <br />JOB NO: 17-3664 <br />SHEET NO. <br />7 <br />Z $ <br />Z <br />a <br />J <br />ll <br />Z <br />c(j/•i) c� <br />'N w <br />w <br />O C yoy <br />TC m <br />M <br />w c W� <br />oaN <br />Q <br />c*I 'r I <br />u. <br />m <br />� O <br />A' N C•9•D C <br />BDe � _f <br />m � <br />NZ <br />Oaf <br />To the best,ofthe EngRWr's knowledge, information, and <br />belief, the struttural plans and;specifieationscontciined <br />within these draw/nQ,c Fomply"with the Florida Building <br />Code 5th Edition (2014)''Re'sidential. 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 />1 <br />0 <br />Z N <br />O�� <br />� tYf O <br />� M <br />z ON <br />M <br />L�A <br />Q aLLCL � <br />Q �00 <br />z� �° <br />W <br />J <br />ph <br />a <br />zg <br />UJ in Lu <br />zo <br />Ln <br />iE <br />LLI 11-4 N <br />BaU <br />t=OyJ7 8 �, <br />rll <br />N <br />ff <br />o QQ ��z� <br />aC70Q�FQ- <br />9 J �aV <br />� ~a W <br />O Z W <br />> �--- QZQ <br />z 0 a <br />SCALE : AS NOTED <br />PLOT DATE : 12/7/2012 <br />TECH: MJAMES <br />VERSION NO. <br />1525 <br />JOB NO: 17-3664 <br />SHEET NO. <br />7 <br />