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DS <br /> <br />D <br />S <br />DS <br />DS <br />D <br />S <br />DS <br />A201Ea <br />s <br />t <br />A201 <br />A201 <br />A201 <br />North <br />We <br />s <br />t <br />South <br />8 <br />A201 <br />5 <br />A201 <br />7 <br />A201 <br />6 <br />A201 <br />2 <br />2 <br />B B <br />C C <br />A A <br />1 <br />1 <br />3 <br />3 <br />4 <br />4 <br />1 <br />A301 <br />2 <br />A301 <br />3 <br />A301 <br />A A <br />A <br />A <br />A <br />A <br />A <br />AA <br />A <br />A <br />A <br />4" <br /> <br />/ <br /> <br />1 <br />' <br />- <br />0 <br />" <br />4" / 1'-0"4" / 1'-0" <br />4" <br /> <br />/ <br /> <br />1 <br />' <br />- <br />0 <br />" <br />4" <br /> <br />/ <br /> <br />1 <br />' <br />- <br />0 <br />" <br />4" / 1'-0"4" / 1'-0" <br />4" <br /> <br />/ <br /> <br />1 <br />' <br />- <br />0 <br />" <br />4" <br /> <br />/ <br /> <br />1 <br />' <br />- <br />0 <br />" <br />4" / 1'-0"4" / 1'-0" <br />4" <br /> <br />/ <br /> <br />1 <br />' <br />- <br />0 <br />" <br />21' - 0" <br />13' - 6" <br />12 <br />' <br /> <br />- <br /> <br />0 <br />" <br />12 <br />' <br /> <br />- <br /> <br />0 <br />" <br />95 SF <br />A <br />72 SF <br />D <br />72 SF <br />E <br />130 SF <br />C <br />72 SF <br />F <br />72 SF <br />G <br />147 SF <br />B <br />18 <br />' <br /> <br />- <br /> <br />6 <br />" <br />12 <br />' <br /> <br />- <br /> <br />0 <br />" <br />12 <br />' <br /> <br />- <br /> <br />0 <br />" <br />RI <br />D <br />G <br />E <br />RIDGE RIDGE <br />RI <br />D <br />G <br />E <br />RI <br />D <br />G <br />E <br />VALLEY <br />VALLEY <br />VALLEY <br />VALLEY <br />VALLEY <br />VALLEY <br />ROOF PLAN NOTES <br />1. ALL MANUFACTURED PRODUCTS AND ROOF SYSTEMS TO BE INSTALLED PER PRODUCT MANUFACTURERS <br />REQUIREMENTS FOR A WEATHER TIGHT INSTALLATION. <br />2. ALL ROOF VENTS, PLUMBING VENT PIPES, MECHANICAL EXHAUST VENT JACKS, ETC… THAT PENETRATE <br />THE PITCHED ROOF SURFACE AND ARE VISIBLE TO BE PRIMED AND PAINTED TO MATCH ADJACENT <br />ROOFING. <br />3. ALL MECHANICAL AND PLUMBING VENTS THAT PENETRATE THROUGH A MANUFACTURED ROOF PRODUCT <br />OR SYSTEMS ARE TO BE INSTALLED AND FLASHED PER THE ROOFING MANUFACTURERS INSTALLATION AND <br />FLASHING REQUIREMENTS. PROVIDE SPUN LEAD CAP COUNTER FLASHING AT PLUMBING VENTS. <br />4. FIRE BLOCKING SHALL BE INSTALLED IN COMBUSTIBLE CONCEALED LOCATIONS IN ACCORDANCE WITH CBC <br />SECTION 718 IN THE FOLLOWING LOCATIONS: <br />a. IN CONCEALED SPACES OF STUD WALLS AND PARTITIONS, INCLUDING FURRED SPACES AND <br />PARALLEL ROWS OF STUDS OR STAGGERED STUDS VERTICALLY AT THE CEILING/FLOOR LEVELS <br />& HORIZONTALLY AT INTERVALS NOT EXCEEDING 10'. <br />b. AT INTERCONNECTIONS BETWEEN CONCEALED VERTICAL AND HORIZONTAL SPACES SUCH AS <br />OCCUR AT SOFFITS, DROP CEILINGS AND COVE CEILINGS. <br />c. IN CONCEALED SPACES BETWEEN STAIR STRINGERS AT THE TOP AND BOTTOM OF THE RUN. <br />ENCLOSED SPACES UNDER STAIRS SHALL COMPLY WITH CBC SECTION 1009.65.3 <br />d. AT OPENINGS AROUND VENTS, PIPES, DUCTS, CABLES AND WIRES AT CEILING AND FLOOR <br />LEVEL, WITH AN APPROVED MATERIAL TO RESIST THE FREE PASSAGE OF FLAME AND <br />PRODUCTS OF COMBUSTION. THE MATERIAL FILLING THIS ANNULAR SPACE SHALL NOT BE <br />REQUIRED TO MEET THE ASTM E136 REQUIREMENTS. <br />e. FIREBLOCKING OF CORNICES OF A TWO-FAMILY DWELLING IS REQUIRED AT THE LINE OF <br />DWELLING UNIT SEPARATION. <br />5. ALL ROOFING MATERIALS SHALL BE NON-LEACHING <br />6. COORDINATE WITH TRUSS FABRICATOR ON LOCATIONS WHERE GABLE END ATTIC VENTS OCCUR AT <br />EXTERIOR ELEVATIONS. FABRICATE GABLE END TRUSSES TO ALLOW INSTALLATION OF GABLE END VENTS. <br />ROOF PLAN LEGEND <br />ATTIC VENTILATION CALCULATIONS <br />THE ATTIC VENTILATION CALCULATIONS PER CBC SECTION 1202.2.1 AS FOLLOWS: <br />A. ATTIC AREA (SQUARE FEET) <br />B. FOR ATTIC NOT PROVIDING HIGH AND LOW VENTS: <br />DIVIDE (A) BY 150 AND MULTIPLY BY 144 TO CALCULATE THE TOTAL REQUIRED NET FREE VENTING AREA IN <br />SQUARE INCHES <br />FOR ATTIC PROVIDING HIGH AND LOW VENTS (SEE CBC SECTION 1202.2.1 EXCEPTION): <br />DIVIDE (A) BY 300 AND MULTIPLY BY 144 TO CALCULATE THE TOTAL REQUIRED NET FREE VENTING AREA IN <br />SQUARE INCHES <br />C. TOTAL SQUARE INCHES OF NET FREE VENTILATING AREA PROVIDED BY ROOF HIGH VENTS <br />D. TOTAL SQUARE INCHES OF NET FREE VENTILATING AREA PROVIDED BY ROOF LOW VENTS <br />E. TOTAL SQUARE INCHES OF NET FREE VENTILATING AREA PROVIDED BY EAVE LOW VENTS <br />F. TOTAL PROVIDED NET FREE VENTING AREA IN SQUARE INCHES <br />NOTES: <br />1. OPENINGS FOR VENTILATION HAVING A LEAST DIMENSION OF NOT LESS THAN 1/16" AND NOT MORE THAN 1/4" <br />SHALL BE PERMITTED. OPENINGS FOR VENTILATION HAVING A LEAST DIMENSION LARGER THAN 1/4" SHALL BE <br />PROVIDED WITH CORROSION-RESISTANT WIRE CLOTH SCREENING, HARDWARE CLOTH, PERFORATED VINYL OR <br />SIMILAR MATERIAL WITH OPENINGS HAVING A LEAST DIMENSION OF NOT LESS THAN 1/16" AND NOT MORE THAN <br />1/4". <br />2. FRAMER SHALL BE RESPONSIBLE FOR COORDINATING TO ALL ATTIC VENTS. <br />3. BLOCKING AND BRIDGING SHALL BE ARRANGED SO AS NOT TO INTERFERE WITH THE MOVEMENT OF AIR. <br />4. AN AIRSPACE OF NOT LESS THAN 1" SHALL BE PROVIDED BETWEEN THE INSULATION AND THE ROOF SHEATHING. <br />5. PROVIDE APPROVED INSULATION DAMS (BAFFLES) WHERE VENT BLOCKS ARE USED BETWEEN ROOF FRAMING <br />MEMBERS TO PREVENT VENT HOLES FROM BEING BLOCKED BY INSULATION. <br />6. ALL VENTS SHALL BE INSTALLED SO AS TO MAKE THEM WATERPROOF AND WALL MOUNTED LOUVERS SHALL BE <br />SEALED AND FLASHED WITH S.A.F.F. IN THE SAME MANNER PRESCRIBED FOR WINDOW INSTALLATIONS. <br />7. FOR HIGH & LOW VENTS DESIGN, AT LEAST 40% AND NOT MORE THAN 50% OF THE REQUIRED VENTING AREA IS <br />PROVIDED BY VENTILATORS LOCATED IN THE UPPER PORTION OF THE ATTIC OR RAFTER SPACE. UPPER <br />VENTILATORS SHALL BE LOCATED NOT MORE THAN 3' BELOW THE RIDGE OR HIGHEST POINT OF THE SPACE, <br />MEASURED VERTICALLY, WITH THE BALANCE OF THE VENTILATION PROVIDED BY EAVE OR CORNICE VENTS. <br />PER CITY REQUIREMENT, ROOF COVERING SHALL BE A FIRE-RETARDANT ROOF COVERING <br />THAT IS AT LEAST CLASS A. <br />INDICATES AREA TO RECEIVE MANUFACTURED ASPHALT SHINGLE ROOF - CLASS <br />A MIN. <br />A. PITCH 4:12 (U.O.N.) <br />B. PRODUCT NAME: GAF, TIMBERLINE HDZ SHINGLES <br />C. PRODUCT NAME/#: MISSION BROWN <br />D. ICC-ESR#: 1475 <br />E. MINIMUM 3 YEAR SOLAR REFLECTANCE: 0.23 <br />F. MINIMUM 3 YEAR SOLAR EMITTANCE: 0.93 <br />G. MINIMUM AGED SRI: 24 <br />H. UNDERLAYMENT (2) LAYERS OF 30# ROOF FELT <br />I. WORKMANSHIP WARRANTY : <br />J. PRODUCT WARRANTY: 25 YEARS <br />K. CRCC: 0676-0096 <br />BUILDING LINE BELOW <br />OG SEAMLESS RAIN GUTTER PROVIDE 4" DIAMETER HALF ROUND <br />A,UMINUM GUTTER. PER COLOR TO MATCH EAVES. INSTALL <br />GUTTER AND DOWNSPOUT PER SMACNA RECOMMENDATIONS. (ALL <br />SLOPE ROOF LOCATION U.O.N.) <br />INDICATES WALL / GABLE VENT. <br />FREE AIR MOVEMENT PROVIDED 338 7/8 SQ. INCHES <br />INDICATES O'HAGIN'S COMPOSITION LOW PROFILE SHINGLE <br />"TAPERED" VENT <br />FREE AIR MOVEMENT PROVIDED 97.5 SQ. INCHES <br />SOLAR ZONE PER C.E.C. SEC. 110.10 (SEE DIMENSIONS ON ROOF <br />PLAN). SOLAR ZONE TOTAL AREA SHALL BE COMPRISED OF <br />AREAS THAT HAVE NO DIMENSION LESS THAN 5 FT. AND NO LESS <br />THAN 80 SQ. FT. FOR BUILDINGS WITH ROOF AREAS LESS THAN <br />OR EQUAL TO 10,000 SQ. FT. OR NO LESS THAN 160 SQ. FT. EACH <br />FOR BUILDINGS WITH ROOF AREAS GREATER THAN 10,000 SQ. FT. <br />(SEC. 110 10 (b) 1. ALL SECTIONS OF THE SOLAR ZONE LOCATED <br />ON STEEP-SLOPED ROOFS SHALL BE ORIENTED BETWEEN 110 <br />DEGREES AND 270 DEGREES OF TRUE NORTH. <br />BIDDING NOTE: VERIFY THAT SELECTED PRODUCT IS CAPABLE OF COMPLYING WITH ALL <br />PERFORMANCE REQUIREMENTS LISTED ABOUT. INFORM ARCHITECT IF ANY PERFORMANCE <br />ITEMS CAN NOT BE ACHIEVED SO PRODUCT CAN BE ADJUSTED TO ENSURE AN ACCURATE BID. <br />2 % MIN. <br />SLOPE <br />X" <br />XX <br />. <br />1/4" <br />SF <br />GUTTER <br />INDICATE MINIMUM SLOPE OF GUTTER RAIN LEADER OR PIPE PER 2019 CPC PLUMBING CODE <br />TABLE1103.3 BASED ON 3 IN/HR. SEE PLUMBING FOR ADDITIONAL INFOMATION AND POSSIBLE SIZE <br />INCREASE <br />INDICATES ROOF AREA RANGE SERVED BY DRAIN <br />INDICATE MINIMUM DIAMETER OF GUTTER @ 1/4" SLOPE PER 2019 CPC PLUMBING CODE TABLE <br />1103.3 BASED ON 3 IN/HR. SEE PLUMBING FOR ADDITIONAL INFOMATION AND POSSIBLE SIZE <br />INCREASE <br />INDICATES DOWNSPOUT <br />X"XX <br />X. <br />X"SF <br />INDICATE MINIMUM SIZE OF VERTICAL RAINWATER DRAIN LEADER OR PIPE PER CPC PLUMBING <br />CODE TABLE1101.12 BASED ON 3 IN/HR. FOR AESTHETIC REASON INSTALL THE LARGEST SIZE. <br />OVERFLOW DRAIN HEIGHT SHALL BE NOT LESS THAN 4" AND WIDTH SIZE PER TABLE 1101.12. SEE <br />PLUMBING FOR ADDITIONAL INFOMATION <br />INDICATES ROOF AREA RANGE SERVED BY DRAIN <br />INDICATE MINIMUM SIZE OF HORIZONTAL RAINWATER PIPE @ 1/4" SLOPE PER CPC PLUMBING CODE <br />TABLE1101.8 BASED ON 3 IN/HR. SEE PLUMBING FOR ADDITIONAL INFOMATION AND POSSIBLE SIZE <br />INCREASE (BACKUP OVERFLOR DRAIN TO BE SAME SIZE) <br />DS <br />A <br />A <br />SOLAR ZONE AREA ≥15% OF TOTAL ROOF AREA PER CEnC 110.10(b)1.B <br />AVAILABLE ROOF AREA = 4,365 SF. <br />TOTAL SOLAR ZONE AREA REQUIRED <br />4,365 SF. X 15% = 655 SF. <br />TOTAL SOLAR ARE PROVIDED = 659 SF. <br />B <br />B <br />TYPICAL ROOF DETAILS <br />RIDGE/HIP <br />TYPICAL RAKE <br />TYPICAL EAVE <br />ROOF AT WALL <br />WALL / GABLE VENT <br />TYPICAL VALLEY <br />/5 A831 SHINGLE VENT <br />VENT PIPE <br />PLUMBING PIPE / VENT FLASHING <br />VENT PIPE COLLAR FLASHING <br />DOWNSPOUT WALL BRACKET <br />NOTE: REFER TO ROOF PLAN FOR NON TYPICAL DETAIL CONDITIONS <br />SOLAR ZONE AREA CALCS. <br />/3 A831 <br />/2 A831 <br />/6 A831 <br />/14 A831 <br />/12 A831 <br />/17 A831 <br />/18 A831 <br />/19 A831 <br />/16 A831 <br />/7 A831 <br />/4 A831 <br />al <br />l <br /> <br />i <br />d <br />e <br />a <br />s <br />, <br /> <br />d <br />e <br />s <br />i <br />g <br />n <br />s <br /> <br />a <br />n <br />d <br /> <br />p <br />l <br />a <br />n <br />s <br /> <br />r <br />e <br />p <br />r <br />e <br />s <br />e <br />n <br />t <br />e <br />d <br /> <br />b <br />y <br /> <br />t <br />h <br />i <br />s <br /> <br />d <br />r <br />aw <br />i <br />n <br />g <br /> <br />a <br />r <br />e <br /> <br />t <br />h <br />e <br /> <br />e <br />x <br />c <br />l <br />u <br />s <br />i <br />v <br />e <br /> <br />p <br />r <br />o <br />p <br />e <br />r <br />t <br />y <br /> <br />o <br />f <br /> <br />bs <br />b <br /> <br />d <br />e <br />s <br />i <br />g <br />n <br />, <br /> <br />i <br />n <br />c <br />. <br /> <br />an <br />d <br /> <br />s <br />h <br />a <br />l <br />l <br /> <br />n <br />o <br />t <br /> <br />b <br />e <br /> <br />r <br />e <br />p <br />r <br />o <br />d <br />u <br />c <br />e <br />d <br /> <br />i <br />n <br /> <br />w <br />h <br />o <br />l <br />e <br /> <br />o <br />r <br /> <br />i <br />n <br /> <br />p <br />a <br />r <br />t <br /> <br />w <br />i <br />t <br />ho <br />u <br />t <br /> <br />t <br />h <br />e <br /> <br />e <br />x <br />p <br />r <br />e <br />s <br />s <br /> <br />p <br />r <br />i <br />o <br />r <br /> <br />w <br />r <br />i <br />t <br />t <br />e <br />n <br /> <br />p <br />e <br />r <br />m <br />i <br />s <br />s <br />i <br />o <br />n <br /> <br />o <br />f <br /> <br />s <br />a <br />i <br />d <br /> <br />a <br />rc <br />h <br />i <br />t <br />e <br />c <br />t <br />s <br />, <br /> <br />a <br />n <br />y <br /> <br />u <br />n <br />a <br />u <br />t <br />h <br />o <br />r <br />iz <br />e <br />d <br /> <br />r <br />e <br />u <br />s <br />e <br /> <br />o <br />f <br /> <br />t <br />h <br />e <br />s <br />e <br /> <br />p <br />l <br />a <br />n <br />s <br /> <br />o <br />t <br />h <br />e <br />r <br /> <br />t <br />h <br />a <br />n <br /> <br />f <br />o <br />r <br /> <br />t <br />h <br />e <br /> <br />p <br />r <br />o <br />j <br />e <br />c <br />t <br />a <br />n <br />d <br /> <br />l <br />o <br />c <br />a <br />t <br />i <br />o <br />n <br /> <br />s <br />h <br />o <br />w <br />n <br /> <br />i <br />s <br /> <br />p <br />r <br />o <br />h <br />i <br />b <br />i <br />t <br />e <br />d <br />. <br />JOB NO. <br />SUBMITTAL <br />DATE <br />SHEET TITLE <br />SHEET NO. <br />CLIENT: <br />REVISION <br />DATE <br />21 <br />3 <br />0 <br /> <br />E <br /> <br />4 <br />T <br />H <br /> <br />S <br />T <br /> <br /># <br />2 <br />0 <br />0 <br />SA <br />N <br />T <br />A <br /> <br />A <br />N <br />A <br />, <br /> <br />C <br />A <br /> <br />9 <br />2 <br />7 <br />0 <br />5 <br />1ST PLAN CHECK SUBMITTAL 08/20/2024 <br />970 W. 190TH ST., STE 250, TORRANCE CA 90502 <br />O: 310.217.8885 <br />BSBDESIGN.COM <br />D E S I G N <br />BSB <br />4TH P.C. SUBMITTAL <br />07/08/2025 <br />2ND PLAN CHECK SUBMITTAL 01/29/2025 <br />3RD PLAN CHECK SUBMITTAL 04/17/2025 <br />4TH PLAN CHECK SUBMITTAL 07/08/2025 <br />MR230056 <br />A113 <br />ROOF PLAN <br />OL <br />I <br />V <br />E <br /> <br />C <br />R <br />E <br />S <br />T <br /> <br />R <br />E <br />S <br />I <br />D <br />E <br />N <br />T <br />I <br />A <br />L <br />21 <br />5 <br />0 <br /> <br />E <br />. <br /> <br />F <br />O <br />U <br />R <br />T <br />H <br /> <br />S <br />T <br />. <br /> <br />& <br /> <br />2 <br />1 <br />6 <br />0 <br /> <br />E <br />. <br /> <br />F <br />O <br />U <br />R <br />T <br />H <br /> <br />S <br />T <br />. <br />SA <br />N <br />T <br />A <br /> <br />A <br />N <br />A <br /> <br />C <br />A <br /> <br />9 <br />2 <br />7 <br />0 <br />5 <br />OL <br />I <br />V <br />E <br /> <br />C <br />R <br />E <br />S <br />T <br />SCALE:1/4" = 1'-0" <br />ROOF PLAN 1 <br />ATTIC VENTILATION CALCULATION: <br />ROOF AREA PER UNIT: <br />846 SF @ 1/150 = 5.64 <br />5.64 X 144 = 812.16 SQ.IN. REQUIRED PER UNIT <br />EAVE VENTS PER UNIT: <br />22 VENT BLOCKS @ 13 SQ.IN. / BLOCK = 286 SQ.IN. <br />PROVIDED <br />(812.16 SQ.IN.) - (286 DQ.IN.) = 526.16 SQ.IN. REQUIRED <br /> REQUIRED PROVIDED <br />LOW PROFILE ROOF VENTS <br />526.16 SQ.IN. / 72 SQ. IN (PER VENT) = 5.40 VENTS REQ. <br />8 VENTS PROVIDED PER UNIT <br />ROOF AREA AT COORIDOR: <br />493 SF @ 1/150 = 3.22 <br />3.22 X 144 = 463.68 SQ.IN. REQUIRED AT COORIDOR <br />LOW PROFILE ROOF VENTS <br />463.68 SQ.IN. / 72 SQ. IN (PER VENT) = 4.76 VENTS REQ. <br />7 VENTS PROVIDED AT CORRIDOR <br />ROOF PLAN -BLDG. A2 <br />(BLDG. A1 SIMILAR) <br />SOLAR ZONE AREAS <br />PANEL # AREA <br />A 95 SF <br />B 147 SF <br />C 130 SF <br />D 72 SF <br />E 72 SF <br />F 72 SF <br />G 72 SF <br />TOTAL AREA 659 SF <br />A <br />A <br />A <br />A <br />A PC COMMENTS RESPONSE #1 01/29/2025 <br />1 DELTA 1 10/31/2025 <br />1 <br />1