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HomeMy WebLinkAboutPlansCODE REFERENCE 2025 CALIFORNIA BUILDING CODE (CBC) 2025 CALIFORNIA RESIDENTIAL CODE (CRC) 2025 CALIFORNIA ELECTRICAL CODE (CEC) 2025 CALIFORNIA MECHANICAL CODE (CMC) 2025 CALIFORNIA PLUMBING CODE (CPC) 2025 CALIFORNIA GREEN BUILDINGS STANDARDS CODE (CALGREEN) 2025 CALIFORNIA ENERGY CODE CITY OF ARCADIA MUNICIPAL CODE • ONE STORY ADDIDTION: AREA 640 SQ. FT. INCLUDING RELOCATION OF ONE BEDROOM, ADD ONE MASTER BEDROOM, ADD ONE BATHROOM • REMODEL OF EXISTING HOUSE: AREA 389 SQ.FT. SCOPE OF WORK ARCHITECTURE: YUNFEI YANG YANG ARCH PLUS INTERIOR INC 1000 S FREMONT AVE, ALHAMBRA, CA91803 734-276-3167 STRUCTURE ENGINEER: B&W STRUCTURAL ENGINEERING DARIN.WANG@BNWSE.COM 310-525-0892 ENERGY ENGINEER: YONGHUI CHEN 1217 E LAS TUNAS DR, SAN GABRIEL, CA91775 626-692-122 DESIGN TEAM SECURITY REQUIREMENTS: 1. EXTERIOR DOORS, DOORS BETWEEN A HOUSE AND A GARAGE, WINDOWS AND THEIR HARDWARE SHALL CONFORM TO THE SECURITY PROVISIONS OF CHAPTER 67 OF THE COUNTY OF LOS ANGELES BUILDING CODE: A. SINGLE SWINGING DOORS, ACTIVE LEAF OF A PAIR OF DOORS, AND THE BOTTOM LEAF OF DUTCH DOORS SHALL BE EQUIPPED WITH A LATCH AND A DEADBOLT. IF THE LATCH HAS A KEY-LOCKING FEATURE, A DEAD LATCH SHALL BE USED. THE DEADBOLT LOCK SHALL BE KEY OPERATED FROM THE EXTERIOR SIDE OF THE DOOR, AND OPERATED FROM THE INTERIOR SIDE OF THE DOOR BY A DEVICE NOT REQUIRING A KEY, TOOL, OR EXCESSIVE FORCE. DEADBOLTS SHALL HAVE A HARDENED INSERT WITH 1” MINIMUM THROW AND 5/8” MINIMUM EMBEDMENT INTO THE JAMB. (BC 6709.2) B. INACTIVE LEAF OF A PAIR OF DOORS AND THE UPPER LEAF OF DUTCH DOORS SHALL HAVE A DEADBOLT AS PER PARAGRAPH “A”, UNLESS IT IS NOT KEY OPERATED FROM THE EXTERIOR, OR HAS A HARDENED DEADBOLT AT TOP AND BOTTOM WITH ½” EMBEDMENT. (BC 6709.3) C. SWINGING WOOD DOOR(S) SHALL BE SOLID CORE NOT LESS THAN 1-3/8” THICK. (BC 6709.1.1) D. PANELS OF WOOD DOORS SHALL BE 9/16" THICK AND NOT MORE THAN 300 SQ. INCHES. STILES AND RAILS TO BE 1-3/8" THICK AND 3" MINIMUM WIDTH. (BC6709.1.2) E. DOOR HINGE PINS ACCESSIBLE FROM THE OUTSIDE SHALL BE NON-REMOVABLE. (BC 6709.5) F. DOOR STOPS OF WOOD JAMBS OF IN-SWINGING DOORS SHALL BE ONE PIECE CONSTRUCTION OR JOINED BY A RABBET. (BC 6709.4) G. WINDOWS AND DOOR LIGHTS WITHIN 40" OF THE LOCKING DEVICE OF THE DOOR SHALL BE FULLY TEMPERED/APPROVED BURGLARY RESISTANT/PROTECTED BY BARS, SCREENS OR GRILLS. (BC 6714) H. OVERHEAD AND SLIDING GARAGE DOORS SHALL BE SECURED WITH A CYLINDER LOCK, A PADLOCK WITH A HARDENED STEEL SHACKLE, OR EQUIVALENT WHEN NOT OTHERWISE LOCKED BY ELECTRIC POWER OPERATION. JAMB LOCKS SHALL BE ON BOTH JAMBS FOR DOORS EXCEEDING 9 FEET IN WIDTH (BC 6711) I. SLIDING GLASS DOORS AND SLIDING GLASS WINDOWS SHALL BE CAPABLE OF WITHSTANDING THE TESTS SET FORTH IN SECTION 6706 AND 6707 OF THE LOS ANGELES COUNTY BUILDING CODE AND SHALL BEAR A LABEL INDICATING COMPLIANCE WITH THESE TESTS. LOCKING DEVICES ON SLIDING GLASS DOORS COMPLYING WITH SECTION 1010 AND 1030, AND EMERGENCY EGRESS WINDOWS COMPLYING WITH SECTION 1030, SHALL BE RELEASABLE FROM THE INSIDE WITHOUT THE USE OF A KEY, TOOL, OR EXCESSIVE FORCE. (BC 6710, 6715) GENERAL NOTESGENERAL NOTES CONSTRUCTION REQUIREMENTS 2. NOTCHING OF STUDS IN EXTERIOR OR BEARING WALLS SHALL NOT EXCEED 25% OF ITS WIDTH. NOTCHING OF STUDS IN NON-BEARING WALLS SHALL NOT EXCEED 40% OF ITS WIDTH. BORED HOLES IN STUDS SHALL NOT EXCEED 60% OF ITS WIDTH, SHALL NOT BE CLOSER THAN 5/8”TO THE EDGE OF THE STUD, AND SHALL NOT BE LOCATED IN THE SAME SECTION AS A CUT OR NOTCH. STUDS LOCATED IN EXTERIOR OR BEARING WALLS SHALL BE DOUBLED IF BORED OVER 40% AND UP TO 60% OF ITS WIDTH. (R 602.6) 3. WALL AND CEILING FINISHES SHALL HAVE A FLAME SPREAD INDEX OF NOT GREATER THAN 200, AND A SMOKE-DEVELOPED INDEX NOT GREATER THAN 450. INSULATION MATERIALS SHALL HAVE A FLAME SPREAD INDEX NOT TO EXCEED 25, AND A SMOKE-DEVELOPED INDEX NOT TO EXCEED 450. (R 302.9, 302.10) 4. PROVIDE FIRE BLOCKING IN CONCEALED SPACES OF COMBUSTIBLE STUD WALLS, PARTITIONS, INCLUDING FURRED SPACES, AT THE CEILING AND FLOOR LEVEL, AT 10-FOOT INTERVALS BOTH VERTICAL AND HORIZONTAL, AND BETWEEN STAIR STRINGERS AT THE TOP AND BOTTOM. (R 302.11) 5. DUCTS INSTALLED UNDER A FLOOR IN A CRAWL SPACE SHALL NOT PREVENT ACCESS TO AN AREA OF THE CRAWL SPACE. WHERE IT IS REQUIRED TO MOVE UNDER DUCTS FOR ACCESS TO AREAS OF THE CRAWL SPACE, A VERTICAL CLEARANCE OF 18”MINIMUM SHALL BE PROVIDED. (MC 603.1) 6. WHERE FLASHING IS OF METAL, THE METAL SHALL BE CORROSION RESISTANT WITH A THICKNESS OF NOT LESS THAN .019 INCH (NO. 26 GALVANIZED SHEET). (R 903.2.1) ROOF DIAPHRAGM NAILING TO BE INSPECTED BEFORE COVERING. WOOD STRUCTURAL PANEL SHEATHING SHALL COMPLY WITH SECTION R803.2. (R 803) 8. END JOINTS IN LUMBER USED AS SUBFLOORING SHALL OCCUR OVER SUPPORTS, UNLESS END- MATCHED LUMBER IS USED, IN WHICH CASE EACH PIECE SHALL BEAR ON NOT LESS THAN TWO JOISTS. WOOD STRUCTURAL PANEL SHEATHING USED FOR STRUCTURAL PURPOSES SHALL COMPLY WITH SECTION R503.2. (R 503) GLAZING REQUIREMENTS 9. THE FOLLOWING SHALL BE CONSIDERED SPECIFIC HAZARDOUS LOCATIONS REQUIRING SAFETY GLAZING PER SECTION R308: A. GLAZING IN FIXED AND OPERABLE PANELS OF SWINGING, SLIDING, AND BIFOLD DOORS. B. GLAZING IN FIXED OR OPERABLE PANELS ADJACENT TO A DOOR WHERE THE BOTTOM EXPOSED EDGE OF THE GLAZING IS LESS THAN 60 INCHES ABOVE THE WALKING SURFACE AND IT MEETS EITHER OF THE FOLLOWING CONDITIONS: 1. WHERE THE GLAZING IS WITHIN 24 INCHES OF EITHER SIDE OF THE DOOR IN THE PLANE OF THE DOOR IN A CLOSED POSITION. 2. WHERE THE GLAZING IS ON A WALL PERPENDICULAR TO THE PLANE OF THE DOOR IN A CLOSED POSITION AND WITHIN 24 INCHES OF THE HINGE SIDE ON AN IN-SWINGING DOOR. C. WINDOW GLAZING IN AN INDIVIDUAL FIXED OR OPERABLE PANEL, THAT MEETS ALL OF THE FOLLOWING CONDITIONS: 1. THE EXPOSED AREA OF AN INDIVIDUAL PANE IS LARGER THAN 9 SQUARE FEET. 2. THE BOTTOM EDGE IS LESS THAN 18 INCHES ABOVE THE FLOOR. 3. THE TOP EDGE IS MORE THAN 36 INCHES ABOVE THE FLOOR. 4. ONE OR MORE WALKING SURFACES ARE WITHIN 36 INCHES, MEASURED HORIZONTALLY AND IN A STRAIGHT LINE, OF THE GLAZING. D. GLAZING IN GUARDS, RAILINGS, STRUCTURAL BALUSTER PANELS, AND NONSTRUCTURAL IN-FILL PANELS, REGARDLESS OF AREA OR HEIGHT ABOVE A WALKING SURFACE. E. GLAZING IN WALLS, ENCLOSURES OR FENCES CONTAINING OR FACING HOT TUBS, SPAS, WHIRLPOOLS, SAUNAS, STEAM ROOMS, BATHTUBS, SHOWERS, AND INDOOR OR OUTDOOR SWIMMING POOLS, WHERE ALL OF THE FOLLOWING CONDITIONS ARE PRESENT: 1. THE BOTTOM EDGE OF THE GLAZING IS LESS THAN 60 INCHES ABOVE ANY STANDING OR WALKING SURFACE. 2. THE GLAZING IS WITHIN 60 INCHES, MEASURED HORIZONTALLY AND IN A STRAIGHT LINE, FROM THE WATER’S EDGE OF A HOT TUB, SPA, WHIRLPOOL, BATHTUB, OR SWIMMING POOL, OR FROM THE EDGE OF A SHOWER, SAUNA OR STEAM ROOM. F. GLAZING ADJACENT TO STAIRS AND RAMPS WHERE THE BOTTOM EXPOSED EDGE IS LESS THAN 36 INCHES ABOVE THE PLANE OF THE ADJACENT WALKING SURFACE OF STAIRWAYS, LANDINGS BETWEEN FLIGHTS OF STAIRS, AND RAMPS, UNLESS THE GLAZING IS 36 INCHES OR MORE MEASURED HORIZONTALLY FROM THE WALKING SURFACE, OR A RAIL IS DESIGNED PER SECTION R308.4.6. G. GLAZING ADJACENT TO THE LANDING AT THE BOTTOM OF A STAIRWAY WHERE THE GLAZING IS LESS THAN 36 INCHES ABOVE THE LANDING AND WITHIN A 60-INCH HORIZONTAL ARC LESS THAN 180 DEGREES FROM THE BOTTOM TREAD NOSING, UNLESS THE GLAZING IS MORE THAN 18 INCHES FROM A PROTECTIVE GUARD PER SECTION R312. MECHANICAL/PLUMBING/ELECTRICAL CODE REQUIREMENTS 10. DWELLING SHALL BE PROVIDED WITH COMFORT HEATING FACILITIES CAPABLE OF MAINTAINING A ROOM TEMPERATURE OF 68 DEGREES F AT A POINT 3 FEET ABOVE THE FLOOR AND 2 FEET FROM EXTERIOR WALLS. (R303.9) 11. THE FOLLOWING ARE REQUIRED FOR CENTRAL HEATING FURNACES AND LOW-PRESSURE BOILERS IN A COMPARTMENT: A. LISTED APPLIANCES SHALL BE INSTALLED WITH CLEARANCES IN ACCORDANCE WITH THE TERMS OF THEIR LISTINGS AND THE MANUFACTURER’S INSTALLATION INSTRUCTIONS. (MC 904.2(1)) B. UNLISTED APPLIANCES SHALL MEET BOTH THE CLEARANCES IN TABLE 904.2, AND THE CLEARANCES ALLOWED BY THE MANUFACTURER’S INSTALLATION INSTRUCTIONS. (MC 904.2(2)) C. WHEN COMBUSTION AIR IS TAKEN FROM INSIDE, THE FREE AREA OF COMBUSTION AIR OPENINGS SHALL BE 1 SQ. INCH PER 1,000 BTU (100 SQ. INCH MINIMUM) PER OPENING. ONE OPENING SHALL BE WITHIN 12 INCHES OF THE TOP OF THE ENCLOSURE AND THE SECOND SHALL BE WITHIN 12 INCHES OF THE BOTTOM OF THE ENCLOSURE. THE DIMENSION SHALL NOT BE LESS THAN 3 INCHES. (MC 701.5(1)) D. NOT LESS THAN 1/4 OF AN INCH SCREEN MESH IS REQUIRED AT OPENINGS WHERE COMBUSTION AIR IS TAKEN FROM THE OUTSIDE. (MC 701.10(1)) E. SEPARATE DUCTS SHALL BE USED FOR UPPER AND LOWER COMBUSTION AIR OPENINGS, AND MAINTAINED TO THE SOURCE OF COMBUSTION AIR. (MC 701.11(4)) 12. THE FOLLOWING ARE REQUIRED FOR APPLIANCES INSTALLED IN AN ATTIC: A. AN OPENING AND PASSAGEWAY SHALL NOT BE LESS THAN 22 INCHES BY 30 INCHES, AND NOT LESS THAN THE SIZE OF THE LARGEST COMPONENT OF THE APPLIANCE. (MC 304.4) B. WHERE THE PASSAGEWAY HEIGHT IS LESS THAN 6 FEET, THE DISTANCE FROM ACCESS TO THE APPLIANCE SHALL NOT EXCEED 20 FEET, AS MEASURED ALONG THE CENTERLINE. (MC 304.4.1) C. PASSAGEWAY SHALL BE UNOBSTRUCTED AND SHALL HAVE SOLID FLOORING NOT LESS THAN 24 INCHES WIDE FROM ENTRANCE TO APPLIANCE. (MC 304.4.2) D. A LEVEL WORKING PLATFORM NOT LESS THAN 30 INCHES BY 30 INCHES IS REQUIRED IN FRONT OF THE SERVICE SIDE OF THE APPLIANCE. (MC 304.4.3) A PERMANENT 120V RECEPTACLE OUTLET AND A LIGHTING FIXTURE SHALL BE INSTALLED NEAR THE APPLIANCE. LIGHT SWITCH SHALL BE LOCATED AT THE ENTRANCE TO THE PASSAGEWAY. (MC 304.4.4) F. A TYPE B OR L GAS VENT SHALL TERMINATE NOT LESS THAN 5 FEET ABOVE THE HIGHEST CONNECTED APPLIANCE FLUE COLLAR OR DRAFT HOOD. (MC 802.6.2.1) G. APPLIANCE INSTALLATION SHALL MEET ALL LISTED CLEARANCES. (MC 303.1) 13. CLOTHES DRYER EXHAUST DUCT SHALL TERMINATE ON THE OUTSIDE OF THE BUILDING IN ACCORDANCE WITH SECTION 502.2.1 AND SHALL BE EQUIPPED WITH A BACK-DRAFT DAMPER. SCREENS SHALL NOT BE INSTALLED AT THE DUCT TERMINATION. (MC 504.4) 14. CLOTHES DRYER MOISTURE EXHAUST DUCT SHALL BE 4 INCHES IN DIAMETER AND IS LIMITED TO A TOTAL COMBINED HORIZONTAL AND VERTICAL LENGTH OF 14 FEET, INCLUDING TWO 90 DEGREE ELBOWS FROM THE CLOTHES DRYER TO POINT OF TERMINATION. DUCT LENGTH SHALL BE REDUCED BY 2 FEET FOR EACH 90 DEGREE ELBOW IN EXCESS OF TWO. (MC 504.4.2) 15. APPLIANCES (WATER HEATER, FURNACE, ETC.) LOCATED IN THE GARAGE SHALL BE INSTALLED SO THAT BURNERS AND BURNER-IGNITION DEVICES ARE LOCATED NOT LESS THAN 18 INCHES ABOVE THE FLOOR, UNLESS LISTED AS FLAMMABLE VAPOR IGNITION RESISTANT. (MC 305.1) 16. DUCTS SHALL BE SIZED PER CHAPTER 6 OF THE MECHANICAL CODE. 17. FLUSH VOLUMES OF PLUMBING FIXTURES AND FLOW RATES OF PLUMBING FITTINGS SHALL COMPLY WITH SECTION 4.303 OF THE GREEN CODE. 18. ABS AND PVC DWV PIPING INSTALLATIONS ARE LIMITED TO NOT MORE THAN TWO STORIES OF AREAS. (PC 701.2(2)) 19. ALL SHOWERS AND TUB-SHOWERS SHALL HAVE A PRESSURE BALANCE, THERMOSTATIC, OR COMBINATION PRESSURE BALANCE/THERMOSTATIC MIXING TYPE VALVE. (PC 408.3) 20. ALL NEW, REPLACEMENT AND EXISTING WATER HEATERS SHALL BE STRAPPED TO THE WALL IN TWO PLACES. ONE ON THE UPPER 1/3 OF THE TANK, AND ONE ON THE LOWER 1/3 OF THE TANK. THE LOWER POINT SHALL BE A MINIMUM OF 4 INCHES ABOVE THE CONTROLS. (PC 507.2) 21. PLUMBING PLAN CHECK AND APPROVAL IS REQUIRED FOR2 INCH AND LARGER WATER LINES, 2 INCH AND LARGER GAS LINES, OR ANY GAS LINE WITH A PRESSURE OF 2PSI AND HIGHER. 22. GROUND-FAULT CIRCUIT-INTERRUPTION (GFCI) FOR PERSONNEL SHALL BE PROVIDED IN BATHROOMS, GARAGES, NON-HABITABLE ACCESSORY STRUCTURES AT OR BELOW GRADE LEVEL, OUTDOOR LOCATIONS, CRAWL SPACES AT OR BELOW GRADE LEVEL, NON-HABITABLE BASEMENTS, KITCHENS WHERE THE RECEPTACLES SERVE COUNTERTOP SURFACES, LOCATIONS WITHIN 6FT OF THE OUTSIDE EDGE OF SINKS/BATHTUBS/SHOWERS, BOATHOUSES, AND LAUNDRY AREAS. THE GFCI SHALL BE INSTALLED IN A READILY ACCESSIBLE LOCATION. (EC 210.8(A)) 23. ARC-FAULT CIRCUIT-INTERRUPTION (AFCI) PROTECTION SHALL BE PROVIDED IN ALL 120-VOLT, SINGLE PHASE, 15-AND 20-AMPERE BRANCH CIRCUITS SUPPLYING OUTLETS OR DEVICES INSTALLED IN KITCHENS, HABITABLE ROOMS, SUNROOMS, RECREATION ROOMS, CLOSETS, HALLWAYS, LAUNDRY AREAS, OR SIMILAR ROOMS OR AREAS, BY ANY MEANS DESCRIBED IN 210.12(A). (EC 210.12(A)) 24. IN ANY OF THE AREAS SPECIFIED IN ITEM 23, WHERE EXISTING BRANCH-CIRCUIT WIRING IS MODIFIED, REPLACED, OR EXTENDED BY MORE THAN 6FT AND/OR ADDS ANY OUTLET OR DEVICE, THE BRANCH CIRCUIT SHALL BE PROTECTED BY ONE OF THE FOLLOWING: A. A LISTED COMBINATION-TYPE AFCI LOCATED AT THE ORIGIN OF THE BRANCH CIRCUIT. B. A LISTED OUTLET BRANCH-CIRCUIT TYPE AFCI LOCATED AT THE FIRST RECEPTACLE OUTLET OF THE EXISTING BRANCH CIRCUIT. (EC 210.12(B)) 25. TAMPER-RESISTANT RECEPTACLES SHALL BE INSTALLED IN ALL AREAS SPECIFIED IN 210.52, ALL NONLOCKING-TYPE 12-VOLT, 15-AND 20-AMPERE RECEPTACLES SHALL BE LISTED TAMPER-RESISTANT RECEPTACLES. (EC 406.12) 26. WHERE NM CABLE (ROMEX) IS RUN ACROSS THE TOP OF JOISTS AND/OR WHERE THE ATTIC IS NOT ACCESSIBLE BY PERMANENT STAIRS OR LADDERS, PROTECTION WITHIN 6 FEET OF THE NEAREST EDGE OF THE SCUTTLE OR ATTIC ENTRANCE SHALL BE PROVIDED. (EC 334.23, 320.23(A)) NOTES GENERAL NOTES: 1. EVERY SPACE INTENDED FOR HUMAN OCCUPANCY SHALL BE PROVIDED WITH NATURAL LIGHT BY MEANS OF EXTERIOR GLAZED OPENING IN ACCORDANCE WITH SECTION 1205.2 OR SHALL BE PROVIDED WITH ARTIFICIAL LIGHT THAT IS ADEQUATE TO PROVIDE AN AVERAGE ILLUMINATION OF 10 FOOT-CANDLES OVER THE AREA OF THE ROOM AT A HEIGHT OF 30 INCHES ABOVE THE FLOOR LEVEL ( 1205.1 AND 1205.3 ) 2. ALL CONSTRUCTION TO REMAIN UNLESS OTHERWISE NOTED 3. FINISH MATERIALS INCLUDING ADHESIVES, SEALANTS, CAULK, PAINTS & COATINGS, CARPET SYSTEMS, ETC. SHALL MEET THE (VOC) EMISSION LIMITS PER LACGBSC CHAPTER 4 4. NEW GLAZING TO BE DUAL GLAZED 5. GC TO PROVIDE ELECTRICITY CONNECTION PER MANUFACTURE'S REQUIREMENT FOR APPLIANCE AND EQUIPMENTS 6. AT ALL SLEEPING ROOMS PROVIDE AT LEAST ONE OPENABLE ESCAPE WINDOW OR DOOR MEETING ALL THE FOLLOWING: AN OPENABLE AREA OF NOT LESS THAN 5.7 SQ.FT. (5 SQ.FT. AT GRADE LEVEL). A MINIMUM CLEAR 24" HEIGHT OR 20" WIDTH, AND A SILL HEIGHT NOT OVER 44" ABOVE THE FLOOR (R310.1) 7. GLAZING IN HAZARDOUS LOCATIONS SHALL BE TEMPERED (2406.4): A. INGRESS AND EGRESS DOORS B. PANELS IN SLIDING OR SWING DOORS C. DOORS AND ENCLOSER FOR HOT TUB, SHOWERS ( ALSO GLAZING IN WALL ENCLOSING THESE COMPARTMENTS WITHIN 5 FEET OF STANDING SURFACE ) 1115.B.9.8 D. IF WITHIN 2 FEET OF VERTICAL EDGE OF CLOSED DOOR AND WITHIN 5 FEET OF STANDING SURFACE 8. DOORBELL BUTTONS OR CONTROLS, WHEN INSTALLED, SHALL NOT EXCEED 48-INCHES ABOVE EXTERIOR FLOOR OR LANDING, MEASURED FROM THE TOP OF THE DOORBELL BUTTON ASSEMBLY. BATHROOM NOTES: 1. WALL COVERING IN BATHROOMS SHALL BE CEMENT PLASTER, TILE OR APPROVED EQUAL TO 72" ABOVE THE DRAIN INLET AT SHOWERS OR TUB WITH SHOWERS. MATERIALS OTHER THAN STRUCTURAL ELEMENTS TO BE MOISTURE RESISTANT ( CBC 807.1.3 AND 2512) 2. PROVIDE 72" HIGH NON-ABSORBENT WALL SURFACE IN BATHTUB AND SHOWER COMPARTMENTS ( CRC R307.2) 3. BATHROOMS ARE REQUIRED TO BE MECHANICALLY VENTILATED WITH A MIN 50 CFM INTERMITTENT OR 25 CFM CONTINUOUS EXHAUST FAN. ENERGY STAR EQUIPPED WITH READILY ACCESSIBLE HUMIDISTAT 4. BATHROOMS SHALL HAVE FLUORESCENT LIGHTING WITH AT LEAST 40 LUMENS PER WATT 5. BATHROOM RECEPTACLES SHALL BE SERVED BY DEDICATED 20AMP CIRCUITS-NEC SECTION 210-52(D) ( CEC 210-11C3) 6. BATHTUB AND SHOWER FLOORS, WALLS ABOVE BATHTUBS WITH SHOWERHEAD, AND SHOWER COMPARTMENTS SHALL BE FINISHED WITH A NONABSORBENT SURFACE. SUCH WALL SURFACES SHALL EXTEND TO A HEIGHT OF NO LESS THAN 6 FEET ABOVE THE FLOOR ( R307.2) 7. CONTROL VALVES FOR SHOWER AND TUB-SHOWER SHALL BE OF THE PRESSURE BALANCE OR THERMOSTATIC MIXING VALVE TYPE. MAX TEMPERATURE 120. SEC 410.7 UPC 8. INFORMATION AND/OR DRAWINGS IDENTIFYING THE LOCATION OF GRAB BAR REINFORCEMENT SHALL BE PLACED IN THE OPERATION AND MAINTENANCE MANUAL IN ACCORDANCE WITH THE CGBSC SECTION 4.410.1. MEP NOTES: 1. HARD WIRED SMOKE DETECTORS ARE REQUIRED IN EACH ROOM USED FOR SLEEPING ( BATTERY BACKUP ) CENTRALLY LOCATED IN THE WALL OR CEILING IN EACH SEPARATE SLEEPING AREA. DETECTORS SHALL SOUND AN ALARM AUDIBLE IN ALL SLEEPING AREAS OF THE UNIT 2. HARD WIRED CARBON MONOXIDE ( BATTERY BACKUP ) SHALL BE CENTRALLY LOCATED IN THE WALL OR CEILING IN CORRIDORS PROVIDING ACCESS TO EACH SEPARATE SLEEPING AREA, IN CLOSE PROXIMITY TO THE STAIRWAY. DETECTORS SHALL SOUND AN ALARM AUDIBLE IN ALL SLEEPING AREAS OF THE UNIT 3. ALL BRANCH CIRCUITS THAT SUPPLY 125 VOLT, SINGLE PHASE, 15 AND 20 AMPERE OUTLETS SHALL BE PROTECTED BY ARC-FAULT CIRCUIT INTERRUPTER ( CEC 210.12) 4. ANY FIXED APPLIANCE SUCH AS DISPOSAL, DISHWASHER, CLOTHES WASHER, DRYER, BUILT-IN HEATER, OR ANY OTHER FIXED APPLIANCE WITH 1/4 H.P. MOTOR OR LARGER, SHALL BE ON A SEPARATE #12 AWG WIRE BRANCH CIRCUIT. EACH DWELLING UNIT SHALL HAVE INSTALLED THEREIN AN INDIVIDUAL DISPOSAL CIRCUIT SUPPLIED WITH A MINIMUM #12 AWG WIRE AND A 15 AMP INDICATING-TYPE SWITCH ( CEC 210-23 & 220) 5. ALL APPLIANCES ARE ELECTRIC, NO GAS USED 6. ELECTRICAL RECEPTACLE OUTLETS, SWITCHES AND CONTROLS (INCLUDING CONTROLS FOR HEATING, VENTILATION AND AIR CONDITIONING) INTENDED TO BE USED BY OCCUPANTS SHALL BE LOCATED NO MORE THAN 48-INCHES MEASURED FROM THE TOP OF THE OUTLET BOX AND NOT LESS THAN 15-INCHES MEASURED FROM THE BOTTOM OF THE OUTLET BOX ABOVE THE FINISH FLOOR. DRAWN BY: YUNFEI YANG YANG ARCH + INTERIOR, INC WWW.YANGARCHINTERIOR.COM YANG ARCH + INTERIOR, INC EXPRESSLY RESERVES ITS COMMON LAW COPYRIGHTS AND OTHER PROPERTY RIGHTS IN THESE PLANS. THESE PLANS ARE NOT TO BE REPRODUCED, CHANGED OR COPIED IN ANY FORM OR MANNER WHATSOEVER, NOR ARE THEY TO BE ASSIGNED TO ANY THIRD PARTY, WITHOUT FIRST OBTAINING THE WRITTEN PERMISSION AND CONSENT OF YANG ARCH + INTERIOR, INC PROJECT NAME PROJECT ADDRESS OWNER SHEET NAME SHEET NO. NO. DATE DESCRIPTION YANG ARCH + INTERIOR, INC 04/30/2027 AHJ APPROVAL STAMP COVER SHEET A001 WU RESIDENCE ADDITION SISI WU 905 RODEO RD ARCADIA, CA ©2026 VICINITY MAP FIRE HAZARD SEVERITY ZONE NO EXISTING FIRE SPRINKLER NO NEW LANDSCAPE 500SF OR LARGER NO POOL NO ANY SLOPE 3:1 OR STEEPER WITHIN 40FT OF ANY STRUCTURE NO EASEMENT YES PROPOSED LOT COVERAGE 23.3% TOTAL LOT SQFT 11,388 SQFT TOTAL LOT COVERAGE AREA 2,651 SQ. FT. ( 2,271+280) TOTAL PROPOSED FLOOR AREA 2,271 SQ. FT. (1,631 + 640) PROPOSED ADDITION FLOOR AREA 640 SQ. FT. EXISTING GARAGE 380 SQ. FT. EXISTING MAIN HOUSE 1,631 SQ. FT. NUMBER OF STORIES 1 CONSTRUCTION TYPE V-B OCCUPANCY TYPE R-3 USE TYPE RESIDENTIAL ZONE R-1 APN 5770-029-021 PROJECT INFORMATION PROJECT LOCATION SHEET INDEX SHEET NO. SHEET NAME A001 COVER SHEET A101 SITE PLAN AND EXISTING PLAN A102 PROPOSED FLOOR PLAN A103 PROPOSED ROOF PLAN A201 ELEVATIONS & SCHEDULES A202 ELEVATIONS W/ D Re f r i g e r a t o r Ra n g e A201 1 (E) GARAGE KITCHEN DINING ROOM (E) LIVING ROOM (E) BEDROOM (E) BEDROOM (E) BATHROOM (E) BEDROOM TO BE RELOCATED A201 4 A202 2 A202 4 F B B B C F E J J J J J J D D D F (E) CLOSET (E) AC PL PL PL PL 35' - 11 1/2"10' - 4 1/2"40' - 2"61' - 3" 0'4'8'16'32' RODEO RD (E) MAIN HOUSE AREA: 1,631 SF (N) ADDITION AREA: 640 SF. (E ) L A N D S C A P E T O R E M A I N (E) LANDSCAPE TO REMAIN (E) LANDSCAPE TO REMAIN (E) PAVEMENT TO REMAIN (E) PAVEMENT TO REMAIN (E ) P A V E M E N T T O R E M A I N 90FT 80FT 144.23FT 149.01FT (E) TREE TO REMAIN (E) TREE TO REMAIN (E) TREE TO REMAIN (E) 6FT FENCE (E) 6FT FENCE (E) 6FT FENCE 16 ' - 8 1 / 2 " 49 ' - 4 " 20 ' - 2 " 8'-0" 8'-0" 35' - 11 1/2"22' - 4"6' - 7"22' - 3"56' - 8 1/2" 12 ' - 0 " (E) WATER METER (E) GAS METER (E) ELEC METER DRAWN BY: YUNFEI YANG YANG ARCH + INTERIOR, INC WWW.YANGARCHINTERIOR.COM YANG ARCH + INTERIOR, INC EXPRESSLY RESERVES ITS COMMON LAW COPYRIGHTS AND OTHER PROPERTY RIGHTS IN THESE PLANS. THESE PLANS ARE NOT TO BE REPRODUCED, CHANGED OR COPIED IN ANY FORM OR MANNER WHATSOEVER, NOR ARE THEY TO BE ASSIGNED TO ANY THIRD PARTY, WITHOUT FIRST OBTAINING THE WRITTEN PERMISSION AND CONSENT OF YANG ARCH + INTERIOR, INC PROJECT NAME PROJECT ADDRESS OWNER SHEET NAME SHEET NO. NO. DATE DESCRIPTION YANG ARCH + INTERIOR, INC 04/30/2027 AHJ APPROVAL STAMP SITE PLAN AND EXISTING PLAN A101 WU RESIDENCE ADDITION SISI WU 905 RODEO RD ARCADIA, CA ©2026 1/8" = 1'-0" 1 EXISTING AND DEMO FLOOR PLAN 1/8" = 1'-0" 2 EXISTING AND DEMO ROOF PLAN 1/8" = 1'-0" 3 PROPOSED SITE PLAN GFCI WP GFCI D AFCI LEGEND WATER CLOSET: 1.28 GPF MAX LAVATORY SINK W FAUCET: 1.2 GPM MAX FOR FAUCET KITCHEN SINK W FAUCET: 1.8 GPM MAX FOR FAUCET WALL MOUNTED LIGHT SWITCH @ + 48" A.F.F., O.C., U.O.N. WALL MOUNTED GFCI OUTLET @ 42" A.F.F. UNLESS OTHERWISE NOTED EXISTING WALL NEW CONSTRUCTION EXHAUST FAN " ENERGY STAR" : 12"x 12" MIN 50 CFM INTERMITTENT ( DIRECTLY VENTED TO OUTSIDE) EQUIPPED WITH READILY ACCESSIBLE HUMIDISTAT 4 INCH ALUM DUCT. MOISTURE EXHAUST DUCTS SHALL BE OF METAL AND HAVE A SMOOTH INTERIOR SURFACE. NO SCREWS INTO AIRFLOW. ( CMC 504.3.1 ) INTERCONNECTED, HARD-WIRED SMOKE ALARMS WITH BATTERY BACK-UP PER CRC R314 DEMO CONSTRUCTION WALL MOUNTED EXTERIOR LIGHTING FIXTURE WALL MOUNTED WATERPROOF GFCI OUTLET @ 35" A.F.F. UNLESS OTHERWISE NOTED WALL MOUNTED LIGHT DIMMER SWITCH @ + 48" A.F.F., O.C., U.O.N. SD INTERCONNECTED, HARD-WIRED COMBINATION DETECTOR OF CARBON MONOXIDE ALARM AND SMOKE ALARM WITH BATTERY BACK-UP PER CRC R315 SC ATTIC ACCESS PANEL: 22" X 30" MIN W. 30" CLR HEADROOM ( ATTICE AREA HAVING A VERTICAL HEIGHT OF 30 INCHES OR GREATER OVER AN AREA OF NOT LESS THAN 30 SQ.FT. SHALL HAVE AN OPENING O F NOT LESS THAN 22" X 30". THE ACCESS SHALL BE LOCATED IN A HALLWAY OR OTHER READILY ACCESSIBLE LOCATION ( R807.1 CRC ) 4" DIA RECESSED HIGH-EFFICACY LED LIGHTING FIXTURE ARC-FAULT PROTECTION WALL MOUNTED DUPLEX OUTLET @ 12" A.F.F. UNLESS OTHERWISE NOTED SHOWER HEAD: 2.0 GPM MAX INTERIOR TO BE REMODELED NEW ADDITION A202 1 A202 3 A201 1 A201 3 3:12 3:12 3:12 3:12 2:12 4: 1 2 4: 1 2 3:12 3:12 4: 1 2 4: 1 2 2:12 2:12 A201 2 A201 4 A202 2 (N) ROOF CLASS "A" ASPHALT SHINGLE ROOF, GAF ASPHALT SHINGLES, TIMBERLINE HDZ RS COLOR TO MATCH EXISTING ROOF, PER SECTION R905.2.7 ICC-ES ESR-1475, CRRC RATED, LA COUNTY APPROVED (N) ROOF CLASS "A" ASPHALT SHINGLE ROOF, GAF ASPHALT SHINGLES, TIMBERLINE HDZ RS COLOR TO MATCH EXISTING ROOF, PER SECTION R905.2.7 ICC-ES ESR-1475, CRRC RATED, LA COUNTY APPROVED A202 4 DRAWN BY: YUNFEI YANG YANG ARCH + INTERIOR, INC WWW.YANGARCHINTERIOR.COM YANG ARCH + INTERIOR, INC EXPRESSLY RESERVES ITS COMMON LAW COPYRIGHTS AND OTHER PROPERTY RIGHTS IN THESE PLANS. THESE PLANS ARE NOT TO BE REPRODUCED, CHANGED OR COPIED IN ANY FORM OR MANNER WHATSOEVER, NOR ARE THEY TO BE ASSIGNED TO ANY THIRD PARTY, WITHOUT FIRST OBTAINING THE WRITTEN PERMISSION AND CONSENT OF YANG ARCH + INTERIOR, INC PROJECT NAME PROJECT ADDRESS OWNER SHEET NAME SHEET NO. NO. DATE DESCRIPTION YANG ARCH + INTERIOR, INC 04/30/2027 AHJ APPROVAL STAMP PROPOSED ROOF PLAN A103 WU RESIDENCE ADDITION SISI WU 905 RODEO RD ARCADIA, CA ©2026 1/4" = 1'-0" 1 PROPOSED ROOF PLAN (E) FINISH FLOOR 0' -0" GROUND -0' -8" (E) T.O. PLATE 8' -0" (E) T.O.BLDG 13' -3" (E ) B L D G H T T O R E M A I N 13 ' - 1 1 " (E) FINISH FLOOR 0' -0" GROUND -0' -8" (E) T.O. PLATE 8' -0" (E) T.O.BLDG 13' -3" (E) FINISH FLOOR 0' -0" GROUND -0' -8" (E) T.O. PLATE 8' -0" (E) T.O.BLDG 13' -3" (N) WALL WITH STUCCO FINISH, COLOR TO MATCH EXISTING ADJACENT WALL (E) FINISH FLOOR 0' -0" GROUND -0' -8" (E) T.O. PLATE 8' -0" (E) T.O.BLDG 13' -3" DRAWN BY: YUNFEI YANG YANG ARCH + INTERIOR, INC WWW.YANGARCHINTERIOR.COM YANG ARCH + INTERIOR, INC EXPRESSLY RESERVES ITS COMMON LAW COPYRIGHTS AND OTHER PROPERTY RIGHTS IN THESE PLANS. THESE PLANS ARE NOT TO BE REPRODUCED, CHANGED OR COPIED IN ANY FORM OR MANNER WHATSOEVER, NOR ARE THEY TO BE ASSIGNED TO ANY THIRD PARTY, WITHOUT FIRST OBTAINING THE WRITTEN PERMISSION AND CONSENT OF YANG ARCH + INTERIOR, INC PROJECT NAME PROJECT ADDRESS OWNER SHEET NAME SHEET NO. NO. DATE DESCRIPTION YANG ARCH + INTERIOR, INC 04/30/2027 AHJ APPROVAL STAMP ELEVATIONS & SCHEDULES A201 WU RESIDENCE ADDITION SISI WU 905 RODEO RD ARCADIA, CA ©2026 WINDOW SCHEDULE - NEW ITEM # TYPE WIDTH HEIGHT SILL HT MATERIAL U-FACTOR SHGC NOTES A SLIDING 8' - 0" 6' - 0" 1' - 0" VINYL 0.28 0.22 H SLIDING 8' - 0" 5' - 0" 2' - 0" VINYL 0.28 0.22 DOOR SCHEDULE ITEM # HEIGT WIDTH MATERIAL TYPE 1 7' - 0" 3' - 0" FIBERGLASS / STEEL / WOOD SOLID @ EXTERIOR W WEATHER STRIPPING AND 15" WIDE SIDELIGHT PANEL 2 7' - 0" 7' - 0" VINYL / TEMPERED GLASS SLIDING GLASS DOOR 3 6' - 8" 2' - 8" WOOD SWING 4 6' - 8" 6' - 0" WOOD SLIDING 5 6' - 8" 2' - 8" WOOD POCKET DOOR 6 6' - 8" 4' - 0" WOOD SLIDING 7 6' - 8" 6' - 0" VINYL / TEMPERED GLASS SLIDING GLASS DOOR WINDOW SCHEDULE - EXISTING ITEM # TYPE WIDTH HEIGHT SILL HT MATERIAL B SLIDING 4' - 0" 4' - 0" 3' - 0" VINYL C SINGLE-HUNG 2' - 0" 4' - 0" 3' - 0" VINYL D FIXED 2' - 0" 2' - 0" 4' - 0" VINYL E SLIDING 6' - 0" 4' - 0" 3' - 0" F SLIDING 5' - 0" 4' - 0" 3' - 0" VINYL J SINGLE-HUNG 2' - 6" 6' - 6" 0' - 6" VINYL 1/4" = 1'-0" 1 ELEVATION - EAST - PROPOSED 1/4" = 1'-0" 2 ELEVATION - EAST - EXISTING 1/4" = 1'-0" 3 ELEVATION - WEST - PROPOSED 1/4" = 1'-0" 4 ELEVATION - WEST - EXISTING (E) FINISH FLOOR 0' -0" GROUND -0' -8" (E) T.O. PLATE 8' -0" (N) STUCCO ON NEW ADDITION WALL, FINISH AND COLOR TO MATCH EXISTING ADJCENT WALL EGRESS WINDOW (E) T.O.BLDG 13' -3" (E) BLDG(N) ADDITION (E) FINISH FLOOR 0' -0" GROUND -0' -8" (E) T.O. PLATE 8' -0" (E) T.O.BLDG 13' -3" (E) BLDG (N) ADDITION (N) STUCCO ON NEW ADDITION WALL, FINISH AND COLOR TO MATCH EXISTING ADJCENT WALL (E) FINISH FLOOR 0' -0" GROUND -0' -8" (E) T.O. PLATE 8' -0" (E) T.O.BLDG 13' -3" (E) FINISH FLOOR 0' -0" GROUND -0' -8" (E) T.O. PLATE 8' -0" (E) T.O.BLDG 13' -3" DRAWN BY: YUNFEI YANG YANG ARCH + INTERIOR, INC WWW.YANGARCHINTERIOR.COM YANG ARCH + INTERIOR, INC EXPRESSLY RESERVES ITS COMMON LAW COPYRIGHTS AND OTHER PROPERTY RIGHTS IN THESE PLANS. THESE PLANS ARE NOT TO BE REPRODUCED, CHANGED OR COPIED IN ANY FORM OR MANNER WHATSOEVER, NOR ARE THEY TO BE ASSIGNED TO ANY THIRD PARTY, WITHOUT FIRST OBTAINING THE WRITTEN PERMISSION AND CONSENT OF YANG ARCH + INTERIOR, INC PROJECT NAME PROJECT ADDRESS OWNER SHEET NAME SHEET NO. NO. DATE DESCRIPTION YANG ARCH + INTERIOR, INC 04/30/2027 AHJ APPROVAL STAMP ELEVATIONS A202 WU RESIDENCE ADDITION SISI WU 905 RODEO RD ARCADIA, CA ©2026 1/4" = 1'-0" 1 ELEVATION - SOUTH - PROPOSED 1/4" = 1'-0" 3 ELEVATION - NORTH - PROPOSED 1/4" = 1'-0" 2 ELEVATION - SOUTH - EXISTING 1/4" = 1'-0" 4 ELEVATION - NORTH - EXISTING