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HomeMy WebLinkAbout2424 N Oakmont Ave, Unit 2 - REV 1 - PlanS i t e + L a n d s c a p e P l a n Vicinity Map GENERAL NOTES APPROX. LOT AREA: 15,750 SQ. FT. EX HOUSE : 2,903 SQ. FT. Tabulations BUILDING SIZE: ASSESSORS PARCEL NO. LEGAL DESCRIPTION ZONING DESIGNATION NUMBER OF STORIES ONE STORY (PROPOSED ADU) Code Data List of Drawings EX LOT COVERAGE (TO REMAIN): 3,052 SQ. FT. (19.4%) Site Plan General Notes ALL WORK SHALL CONFORM TO THE 2022 EDITIONS OF THE CBC, CRC, CEBC, CEC, T-24, CMC, CPC CODES AND CAL GREEN WITH LOCAL AMENDMENTS. TYPE OF CONSTRUCTION TYPE V-B (SPRINKLERED) Project Directory TEL: 714.558.3981 SANTA ANA, CA 92706 2619 N OLIVE LANE JANE S. LEWIS PROJECT DESIGNER: OWNERS: TILLY GURMAN + LANCE URADOMO SANTA ANA, CALIFORNIA 92706 2424 OAKMONT AVE JOB ADDRESS: EX GARDEN SHED TO NEW ADU: 720 SQ. FT. EXISTING RIDGE HT: APPROX 23 FT ABV GRADE ARCHITECTURAL TEL: 443.253.8983 OCCUPANCY R3 / U Site Plan Keynotes PROJECT INFORMATION Project Information 1. ALL WORK SHALL BE DONE IN ACCORDANCE WITH THE 2022 CALIFORNIA RESIDENTIAL, EXISTING BUILDING, PLUMBING, MECHANICAL, ELECTRICAL CODES, CALIFORNIA ENERGY CODE AND CALIFORNIA GREEN BUILDING CODE 2.VERIFY ALL DIMENSIONS - DO NOT SCALE DRAWINGS IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO LOCATE ALL EXISTING UTILITIES, AND TO PROTECT THEM FROM DAMAGE. THE CONTRACTOR SHALL BEAR ALL EXPENSE OF REPAIR OR REPLACEMENT IN CONJUNCTION WITH THE PROSECUTION OF THIS WORK. COMPLIANCE SHALL BE MADE WITH THE STATE'S ENERGY CONSERVATION REQUIREMENTS. REFER TO REQUIRED DOCUMENTATION ON THE DRAWINGS. 3. 4. Plan Site PER SECTION 301.1.1 CALGREEN AND CIVIL CODE 1103.3(c): ALL NON-COMPLIANT PLUMBING FIXTURES WITHIN THIS RESIDENCE SHALL BE REPLACED WITH WATER CONSERVING PLUMBING FIXTURES 5. ALL SITE INFORMATION (I.E. SITE WALLS, STEPS, ETC.) IS FOR 1. ILLUSTRATION ONLY. LOT SHALL BE GRADED TO DRAIN SURFACE WATER AWAY FROM THE 2. FOUNDATION WALLS. WHERE LOT LINES, WALLS, SLOPES OR OTHER PHYSICAL BARRIER PROHIBIT 6" OF FALL WITHIN 10 FT, DRAINS, OR SWALES SHALL BE CONSTRUCTED TO ENSURE DRAINAGE AWAY FROM THE STRUCTURE. CRC R401.3 IMPERVIOUS SURFACES WITHIN 10 FT OF THE BUILDING FOUNDATION3. SHALL SLOPE A MIN OF 2% AWAY FROM THE BUILDING. CRC R401.3 EX TR 378 LOTS 20 AND LOT 21 BLK A (AND E 25 FT 003-092-40 Scope of Work T1.0 project sheet ADU Santa Ana California 92706 Oakmont Ave Uradomo Gurman stamp plot date project sheet revision construction bid issue revision revision b.d. submittal title 3.31.2026 Gurman 2424 Unit 2 Uradomo 2.18.2025 OWNR 1 2.6.2026 2f AREA OF EXISTING LANDSCAPE 2e 2a 2c 2b 2d PROPERTY LINE EXISTING HOUSE TO REMAIN EXISTING DRIVEWAY 2g AREA OF EXISTING HARDSCAPE 2h SCALE: 1:10 PRIOR TO START OF CONSTRUCTION, COMPLETELY REVIEW ALL DRAWINGS, DETAILS, NOTES AND EXISTING SITE CONDITIONS. ANY DISCREPANCIES, OR MISSING INFORMATION SHALL BE BROUGHT TO THE ATTENTION OF THE DESIGNER PRIOR TO STARTING WORK. CONTRACTOR IS RESPONSIBLE FOR THE METHOD OF CONSTRUCTION AND SAFETY FOR THE PROJECT. CONTRACTORS SHALL MAINTAIN THE JOB SITE PREMISES CLEAN AND FREE OF ALL TRASH AND DEBRIS, AND SHALL PROTECT ALL ADJACENT FROM DAMAGE, SOILING, PAINT OVER SPRAY, ETC. PROJECT AND SITE SHALL BE LEFT CLEAN AND READY FOR OCCUPANCY UPON COMPLETION OF THE PROJECT. 6. 7. 8. EXISTING 4 BEDROOM / 3 BATH HOUSE TO REMAIN AS IS NEW 2 BEDROOM, 1 BATH ADU WITH LAUNDRY EX 4 CAR GARAGE / PROPOSED ADU STEICHEN LEWIS DESIGNS 2n 2m 2p 2r 2j 2k AREA OF EXISTING GRASS LAWN NEW SLIM LINE A/C CONDENSER EX A/C CONDENSER2q EXISTING 6 FT HIGH BLOCK WALL R1 (SINGLE FAMILY RESIDENTIAL) Landscape Legend EXISTING TREE EX PLANTER AREA WITH EX GRASS AREA T1.0 PROJECT INFORMATION + SITE PLAN A2.0 FLOOR PLAN, DEMOLITION PLAN + SCHEDULES A2.1 ELECTRICAL PLAN + ROOF PLAN SANTA ANA, CALIFORNIA 92706 2424 OAKMONT, UNIT 2 EXISTING 6 FT HIGH FENCE PRELIM ADU ELECTRICAL PANEL - EXACT LOCATION TBD NEW WATER HEATER NEW ADU = SPRINKLERED EX DWELLING + EX GARAGE = NON-SPRINKLERED ACCESSORY 720 SQ.FT. NEW DWELLING UNIT MISC SHRUBS + ROSES EXISTING DETACHED 2-CAR GARAGE TO REMAIN 2s 2u 150.0' 175.0' CONVERT 720 SF OF EXISTING GARDEN SHED TO EXISTING GARDEN SHED IS LEGAL NON-CONFORMING STRUCTURAL ANALYSIS: ORANGE, CA 92866 112 E CHAPMAN AVE, STE D SHUCRI YAGHI CONSULTING ENGINEERS TEL: 714.997.9120 FAX: 714.744.3676 S-1 FOUNDATION PLAN, FRAMING PLAN + DETAILS STRUCTURAL SN STANDARD NOTES AND DETAILS GN1 GENERAL NOTES GBC1 CA GREEN BUILDING CODE MANDATORY MEASURES GBC2 CA GREEN BUILDING CODE MANDATORY MEASURES EC1.1 ENERGY COMPLIANCE EC1.0 ENERGY COMPLIANCE EXISTING 2 CAR GARAGE WITH BATH TO REMAIN AS IS OAKMONT AVE EX DETACHED GARAGE: 560 SQ. FT. 105.0' LOTS 2, 3 & 4 BLK A) AND (N 5 FT LOT 22 BLK A) 45.0' 25.0' 150.0' NEW PLANTER AREA W NS E 2' - 9 " ex s e t b k 2k 2a 2k 2a 2n2a 2t EXISTING 8FT BLOCK WALL AND WOOD FENCE 2m2a 2k2a 2m2a 2k 2k 2g 2h 2h 2h 2f 2f 2b 2d 2p 2p 2r 2q 2s 2t2j 2j 2j 2j 2j 2u NEW CONCRETE 2u 2g 2g 2g 2g 2g Unit 2 DUE TO SETBACKS 8'-1" EX STBK 15 ' - 6 " EX POWER POLE2v 2v 5' - 8 " op e n i n g 1-HR RATED WALL AT PROPERTY LINE - SEE DETAIL 2/ SHEET A2.02w 2w 2e EXISTING 200 AMP ELECTRICAL PANEL + METER A3.0 EXTERIOR ELEVATIONS + SECTION IN MEDIAN + 67 FT TO PUBLIC FIRE HYDRANT (NOT TO SCALE) HYDRANT EX FIRE REMOVE EX UNPERMITTED BATHROOM FIXTURES IN THE EX GARAGE REMOVE EX UNPERMITTED PATIO COVER BETWEEN GARAGE + GARDEN SHED REMOVE EXISITING UNPERMITTED PATIO COVER2x REMOVE EXISITING UNPERMITTED BATHROOM FIXTURES2y 2x 2y ** PROVIDE FIRE SPRINKLERS UNDER DEFERRED SUBMITTAL INSTALL 1.5" BACKFLOW PREVENTION DEVICE FOR DOMESTIC 2z PURPOSES PER STANDARD PLAN NO 1431 2z WM NE W 1 . 5 " W A T E R S E R V I C E 4" S E W E R S E R V I C E 4" SEWER CLEAN-OUT 1" WATER METER 4" SEWER CLEAN-OUT NE W 1 . 5 " W A T E R S E R V I C E 4" S E W E R S E R V I C E 4' - 0 " op e n i n g 1 1 1 1 REF PANTRY W/D WH DW FAU linen cl o s e t SCALE: 1/4" = 1'Floor Plan Door Schedule DESCRIPTION Window Schedule NO. 6'-0" NO.WIDTH DESCRIPTION project sheet ADU Santa Ana California 92706 Oakmont Ave Uradomo Gurman stamp plot date project sheet revision construction bid issue revision revision b.d. submittal title 4.15.2025 Gurman 2424 Unit 2 Uradomo 2.18.2025 OWNR 1 2.6.2026 FRENCH DOOR 1 + Floor Plan Notes A2.0Window and Door Information Schedules REFERENCE EXTERIOR ELEVATIONS FOR TYPE & CONFIGURATION PROVIDE TEMPERED GLASS AT LOCATIONS SHOWN ON EXTERIOR WINDOW NOTES: 2. ALL GLAZING IN DOORS TO BE TEMPERED PER CRC 308.4.1 DOOR NOTES: 1. 1. 1. ALL GLASS AND GLAZING SHALL BE TESTED IN ACCORDANCE WITH 2. GLAZING IN DOORS AND FIXED GLAZED PANELS OF MORE THAN GLASS NOTES: CPSC 16 CFR 1201 WHERE APPLICABLE FOR SAFETY (TEMPERED) GLAZING PER CRC R 308.3.1 GLAZING SHALL COMPLY WITH THE ELEVATIONS + PER SCHEDULE, AS REQUIRED PER CRC R308.4 9 SQ FT TO BE CATEGORY II CLASSIFICATION PER CRC R308.3.1 HT 6'-8" - FINISH REMARKS YES YES TEMPERED YES YES - WIDTH HEIGHT FINISH LITES EGRESS 4'-0"PAINT 8 REMARKS NEW WALL TO BE CONSTRUCTED EXISTING WALL TO REMAIN REFER TO THE STRUCTURAL DRAWINGS FOR BEARING AND SHEAR WALLS. ALL PLUMBING WALLS TO BE FRAMED WITH A 2 x 6 MIN STUDS ALL OTHER WALLS ARE 2 x 4 FRAMED WALLS UNLESS NOTED OTHERWISE Plan Legend 6. 5. PROVIDE R-15 INSULATION AT EXTERIOR WALLS PER TITLE 24 7. 8. 3. ALL ROOMS MEET VENTILATION AND LIGHTING REQUIREMENTS OF CBC SECTIONS 1203.4 AND 1205 4. DWELLING TO BE PROVIDED WITH COMFORT HEATING FACILITIES CAPABLE OF MAINTAINING A ROOM TEMP OF 68 DEG F AT A POINT OF 3 FT ABV THE FLOOR IN ALL HABITABLE ROOMS PAINT EXISTING SMOOTH STUCCO TO REMAIN NEW DUAL GLAZED WOOD WINDOWS & DOORS- SIMILAR TO EX HOUSE 1. 2. (2) WOOD CASMENT ALL WINDOWS TO BE DUAL GLAZED WOOD. 3. NO. NO. Floor Plan Keynotes LITES 1 NOT USED U-FACTOR SHGC U-FACTOR SHGC Window and Door Notes PROVIDE R-38 INSULATION AT ROOF RAFTERS PER TITLE 24 IN TABLE R308.3.1(1) TEXT CRITERIA FOR CATEGORY II UNLESS OTHERWISE INDICATED 6'-0" 6'-8"TEMPERED PR SOLID DOORS DUTCH DOOR 12'-8" OF TRAVEL NOT LESS THAN 36" LANDINGS AT DOORS SHALL HAVE A LENGTH MEASURED IN DIRECTION 4. Openings 4b 4a 3a 3. Interior 4c 2. Exterior 2a 2 x 6 WOOD STUD AT NEW PLUMBING WALL 16" x 16" SHAMPOO NICHE 5. Appliances NOT OVER 44" ABOVE THE FLOOR. 5.7 SQ.FT. - A MIN. CLEAR 24" HEIGHT AND 20" WIDTH, AND A SILL HEIGHT MEETING ALL OF THE FOLLOWING: AN OPENABLE AREA NOT LESS THAN BEDROOM TO HAVE MIN. OF ONE OPENABLE ESCAPE WINDOW OR DOOR LANDING TO NOT BE MORE THAN 1 1/2" BELOW THRESHOLD OF THE DOORWAY - OR 7 3/4" BELOW THE THRESHOLD ON THE EXTERIOR SIDE IF DOOR DOES NOT SWING OVER THE LANDING OR STEPS HOT MOPPED SHOWER PAN AND CURB WITH MUDSET (PORTLAND CEMENT) TILE FLOOR + WALLS TO CEILING (PER CRC 702.4.2) - PROVIDE SHOWER HEAD AT +78"AFF 7. Plumbing 7d 7e 7c PROVIDE FRAMELESS 1/4" TEMPERED SHOWER DOOR TO MIN 72" AFF GLASS TO HAVE CATEGORY II CLASSIFICATION PER CBC CHAPTER 24 AND UBC STD 24-2 - LOCATE VALVES AND HEAD PER CPC 408.9 - SYMBOL ( ) WATER CLOSET WITH A CLEAR FLOOR SPACE OF 15" ON EACH SIDE OF TOILET, AS MEASURED FROM THE CENTERLINE OF THE TOILET, AND 24" CLEAR IN FRONT 7a WASHER & DRYER LOCATION - RECESS EXISTING HOT AND COLD WATER CONNECTIONS, PROVIDE G.I. PAN UNDER WASHER WITH DRAIN TO WASTE SYSTEM - DRYER EXHAUST DUCT (4" DIA) TO OUTSIDE W/ BACK-DRAFT DAMPER. EXHAUST LENGTH LIMITED TO 14FT WITH 7b 6. Cabinetry KITCHEN SINK W/ GARBAGE DISPOSAL - VERIFY DIMS W/ MANUF SPECS ELECTRIC RANGE - VERIFY DIMS W/ MANUF SPECS REFRIGERATOR/ FREEZER - TIGHT TOLERANCE BETWEEN END PANELS VERIFY DIMS W/ MANUF SPECS 7f 24" PULLMAN - COUNTER AT 34"-36" WITH 6" HIGH SPLASH + MIRROR ABV 2 ELBOWS PER CMC 504.4.2 PER CODE - TOILET TO BE LOW FLUSH (1.28 GAL/ FLUSH) 3b 3c FURR OUT EXTERIOR WALL TO BEYOND EX FOUNDATION CURB NEW CONCRETE LANDING SLOPE 1/4" PER FOOT AWAY FROM STRUCTURE2b EXISTING COVERED PATIO Plans SCALE: 1/4" = 1'Demolition Plan 3 Ex Garden Shed Demolition MEDICINE CABINET EXISTING WALL OR ITEM TO BE REMOVED W NS E Existing 2-car Garage YES 6'-8"PAINT 6'-8"PAINT2'-8" 6'-8"PAINT2'-8" 6'-8"PAINT 6'-8"PAINT3'-0"SOLID CORE POCKET DOOR POCKET DOOR FRENCH DOOR PAINT - YES - YES 1 TEMPERED - 5'-4" EX SKYLIGHT EX SKYLIGHT EX SKYLIGHT REMOVE EX SKYLIGHT Ex Patio Cover Bedroom 2 Living Area Bath closet NEW 100 AMP ELECTRICAL SUBPANEL - CONTRACTOR TO VERIFY LOCATION 9a 9. Electrical 10. Specialties 10a 8. Mechanical 8a 8b NEW CENTRAL SPLIT HEAT PUMP - 16 SEER PER TITLE 24 5d 5c BUILT-IN DISHWASHER W/ GFCI OUTLET - VERIFY DIMS W/ MANUF SPECS MICROWAVE / RANGE HOOD - VERIFY DIMS W/ MANUF SPECS RANGE HOOD - MIN 100 CFM - DUCT PER ASHRAE 62.2 TABLE 7.1 AND TABLE 5.3 FOR PRESCRIPTIVE DUCT SIZING WHERE APPLICABLE - MAX SONE RATING 3.0 SEE MECH NOTES SHEET A2.2 FOR ADDITIONAL REQUIREMENTS * REFER TO ELECTRICAL PLAN FOR BATH + KITCHEN VENTILATION REQUIREMENTS 10b 5b 5a CLOSET POLE AND SHELF - LAYOUT TBD BY OWNER6a WATER HEATER, RHEEM PROPH40 T2 RH37515 (40 gal, JA13) PER TITLE 24 15'-0"5'-0"9'-7"+ 5'-8" 10'-10" 4'-1"5'-6" 5'-7"5'-2"4'-11" 4a 4b 4c 4a 4b 4'-0" 4a 4b 5a 6b 7a 7b 7c 7d7e 7f 6a 5d 5c5b 8a 8b Existing Storage Existing 2-car Garage 3a 3c 3c 3c Floor 0.30 0.23 0.30 0.23 2c PROVIDE 2X8 BLOCKING REINFORCEMENT IN BATHROOM FROM 32" TO 39.5" ABOVE FINISHED FLOOR ON ONE SIDE OF WATER CLOSET AND BACK WALL, AND AT SHOWER WALLS (DASHED LINE ON PLANS) PER CRC R327.1.1 1-HR FIRE RESISITANCE RATED WALL WITH 7/8" STUCCO AT EXTERIOR & 5/8" TYPE 'X' GYPSUM BOARD FROM SLAB TO UNDERSIDE OF SHEATHING 2c 2c 2c _ _ _ _ _ _ _ _ 1 Hour Rated Wall Detail 2 EX 7/8" EXT PLASTER ROOF INSULATION PER T24 5/8" TYPE X GYPSUM BD FROM SLAB TO UNDERSIDE EX 2x4 STUD WALL INSULATION PER T24 RADIANT BARRIER CLASS A ROOF UNDERSIDE OF OF ROOF SHEATHING 7' - 1 1 " 15 ' - 1 0 " 18 ' - 2 " AT INTERIOR - TYPICAL AT WEST WALL REMOVE REMOVE to be removed Existing Storage REMOVE EX TOILET + SINK EX PLYWOOD METAL COPING 5/8" TYPE X GYPSUM BD FROM UNDERSIDE OF ROOF SHEATHING TO PARAPET TOP PLATE PER PLAN EX TOP PLATE 1/2:12 ROOF DECK MOISTURE RESISTANT WITH GALVANIZED SHEET METAL GALVANIZED SHEET 0.30 0.23 0.30 0.23 4'-11" Bedroom 1 Laundry Kitchen 3'-10" 5' - 8 " 3' - 2 " 11 ' - 1 0 " 2'-10" 8' - 6 " 6b SHELVING TBD6b 2b 2b 2b 3b 3c 3c 3c 6'-8"PAINT2'-8" PAINT 6'-8"PAINT 6'-8"PAINT6'-0"CLOSET BY PASS SOLID CORE POCKET DOOR 6'-8"3'-4"PAINT YES YES 2'-10" 2'-8" 30" 6b 6a 3' - 1 " 2' - 7 " 1' - 9 " 10 ' - 1 " 2'-6" 4'-0"PAINT 8WOOD CASMENT 0.30 0.23_ 8c A/C CONDENSER 8c 9a 5' - 2 " LOUVERED TOP + BOTTOM PER WH MANUF SPECS 9'-10" A/C 3' - 0 " 1 1 1 1 1 1 1 1 REFER TO SHEET A3.0, DETAIL 7 FOR ALL AGING IN PLACE REQUIREMENTS 7' - 1 1 " 1 REF PANTRY W/D WH DW FAU linen cl o s e t SCALE: 1/4" = 1' project sheet ADU Santa Ana California 92706 Oakmont Ave Uradomo Gurman stamp plot date project sheet revision construction bid issue revision revision b.d. submittal title 3.31.2026 Gurman 2424 Unit 2 Uradomo 2.18.2025 OWNR 1 2.6.2026 1 Mechanical A2.1 + Electrical Electrical, Mechanical + Reflected Ceiling Plan Reflected Ceiling, Mechanical + Electrical Keynotes S 4S 3 S VS S Electrical Notes Electrical Legend BATHROOM EXHAUST FANS SHALL BE ENERGY STAR COMPLIANT . UNLESS FUNCTIONING AS A COMPONENT OF A WHOLE HOUSE VENTILATION SYSTEM, FANS MUST BE CONTROLLED BY A HUMIDISTAT WHICH SHALL BE READILY ACCESSIBLE. HUMIDISTAT CONTROLS SHALL BE CAPABLE OF ADJUSTMENT BETWEEN A RELATIVE HUMIDITY RANGE OF 50 TO 80 PERCENT. THE CONTROL MAY BE MANUAL OR AUTOMATIC. A BACK DRAFT DAMPER IS REQUIRED. EXHAUST VENT S MUST TERMINATE OUTSIDE THE BUILDING, A MIN OF 3FT FROM ANY OPENING OR PROPERTY LINE. ALL EXHAUST FANS TO BE SWITCHED SEPARATELY FROM LIGHTING FIXTURES PER CEnC 150(k)2B ALL DUCTS AND OTHER RELATED AIR DISTRIBUTION COMPONENT OPENINGS SHALL BE COVERED WITH TAPE, PLASTIC, OR OTHER ACCEPTABLE MATERIAL AT THE TIME OF ROUGH INSTALLATION OR DURING STORAGE UNTIL FINAL STARTUP Mechanical Notes KITCHEN RANGE HOOD TO HAVE A MINIMUM 30' VERTICAL CLEARANCE OVER STOVE [CMC 1961A&B] MUST HAVE MINIMUM 100 CFM WITH 5 AIR CHANGES PER MINUTE. HOOD DUCTWORK TO BE SEALED WITH UL 181 NON-CLOTH BACKED TAPE AND INSULATED WITH A MINIMUM R-VALUE OF 4.2 AND SUPPORTED EVERY 4 [CMC 604.2,605.5 TABLE 6.7] EXHAUST DUCT SHALL BE AIR TIGHT AND BE EQUIPPED WITH A BACK DRAFT DAMPER - DUCTING SHALL BE GALVANIZED STEEL STAINLESS STEEL OR COPPER WITH A SMOOTH INTERIOR FINISH [CMC 604.2 (4)]. EX 2X10 ROOF RAFTERS FOR R-38C BATT INSULATION CLEARANCE 3b 3a 3c 3e MS AIR DISTRIBUTION DUCTS TO HAVE R-8 VALUE PER TITLE 24 . PROPOSED ELECTRICAL SUB-PANEL LOCATION TO BE VERIFIED HEAT PUMP PER TITLE 24 NOTE: Mechanical, electrical and plumbing are not part of this plan review and approval. MEP are subject to building field inspection SCALE: 1/4" = 1'2Roof Plan Existing 2-car Garage EX I S T I N G + 1 / 2 : 1 2 _ SL O P E SSSS S SS S SSS S SS Bedroom 2 Area Bath Living S 3 33 3 S Roof Plans AREA OF BUR RE-ROOF Roof Plan Keynotes Roof Legend 10a NEW SKYLIGHT - VELUX ICC ESR- 4108 10b 10c 10d EXISTING DOWNSPOUT AND OVERFLOW NEW SKYLIGHT REROOF - BUILT UP ROOFING GAFGLAS PLY4 SLOPE 1/2" PER FOOT MIN. ICC ESR-1274 , CLASS "A" RATING (OR APPROVED EQUAL) WITH COOL ROOF COATING REMOVE EXISTING SKYLIGHT Skylight Underlayment Skylight Flashing 4 3 EX I S T I N G + 1 / 2 : 1 2 _ SL O P E 10e DASHED LINE INDICATES LINE OF WALLS BELOW MAX U-FACTOR = 0.48; MAX SHGC = 0.27 PER TITLE 24 CALCS REFER TO DETAILS 3 + 4 THIS SHEET 10a 10c 10d 10a 10d 10e 10b 10b 10f CRICKET AT SKYLIGHT 10f 10f Existing 2-car Garage TYP TYP 4. 5. 3. 1. 2. 6. 7. CONSULT WITH OWNER ABOUT LANDSCAPE LIGHTING IMMEDIATELY IN CASE OF DISCREPANCIES AND UNUSUAL CONDITIONS. CONTRACTOR TO REVIEW ALL FIELD CONDITIONS AND NOTIFY DESIGNER ALL WALL OUTLETS SWITCHES AND CONTROLS SHALL NOT BE MORE THAN 48" AFF TO TOP SWITCHES AND OUTLETS AT KITCHEN SPLASH AND LAUNDRY SPLASH TO BE ALL SWITCHES ADJACENT TO DOORS WITH CASING TO BE SET 1/2" MIN. FROM INDOORS, IN BATHROOMS, IN BASEMENT, AT COUNTERTOP SURFACE (WITHIN PROVIDE G.F.I. PROTECTION TO ALL 120 VOLT, 15 & 20 AMP RECEPTACLES INSTALLED 6 FT. OF A SINK), & GARAGES. EXCEPTION: SINGLE OUTLET RECEPTACLES IN ALL CONDUCTORS TO BE COPPER. CASING TO EDGE OF PLATE. ABOVE BACKSPLASH a. b. c. OUTLET AND SWITCH HEIGHTS: GARAGES UTILIZED FOR A FIXED OR STATIONARY APPLIANCE VERIFY HEIGHT OF WALL MOUNTED SCONCES PRIOR TO PULLING WIRES TO BOXES. 13. 14. ALL BRANCH CIRCUITS THAT SUPPLY 120 VOLT, SINGLE PHASE, 15 AND 20 AMP OUTLETS INSTALLED IN DWELLING UNIT KITCHENS, FAMILY ROOMS, DINING ROOMS, LIIVING RMS, PARLORS, INTERRUPTER(S), COMBINATION TYPE - REQD FOR THE ENTIRE CIRCUIT, NOT JUST OUTLETS. 15. ALL LUMINAIRES SHALL BE HIGH EFFICACY PER CEnc TABLE 150.0-A 16. ALL PERMANANTLY INSTALLED LUMINAIRES SHALL BE SHOWN WITH A MANUAL ON/OFF SWITCH AND CONTROLS WHERE REQUIRED BY CEnC 150.0(K) 2 FOR INTERIOR LIGHTS LUMINAIRES THAT ARE RECESSED INTO INSULATED CEILINGS ARE REQUIRED TO BE RATED FOR ZERO CLEARANCE INSULATION CONTACT (IC-RATED) SO THAT INSULATION THE HOUSING OF THE LUMINAIRE SHALL BE AIRTIGHT TO PREVENT CONDITIONED AIR ESCAPING INTO THE CEILING CAVITY OR ATTIC, UNCONDITIONED AIR INFILTRATING FROM THE CEILING OR ATTIC INTO THE CONDITIONED SPACE. AND 50.0(K)3 FOR EXTERIOR LIGHTS CAN BE PLACED OVER THEM. PER CEC 210.12 LIBRARIES, DENS, BEDROOMSK SUNROOMS, RECREATION RMS, CLOSETS, HALLWAYS, LAUNDRY AREAS, OR SIMILAR ROOMS OR AREAS, SHALL BE PROTECTED BY A LISTED ARC-FAULT CIRCUIT 8.ALL 120-VOLT RECEPTACLE OUTLETS SHALL BE LISTED AS TAMPER-RESISTANT RECEPTACLES PROVIDE AT LEAST ONE RECEPTACLE IN BATHROOMS ADJACENT TO EACH BASIN OR LAV. SUCH RECEPTACLES SHALL HAVE GROUND FAULT CIRCUIT INTERRUPTER AND PROTECTION & 11. AT LEAST ONE 20-AMPERE BRANCH CIRCUIT SHALL BE PROVIDED TO SUPPLY THE BATHROOM RECEPTACLE OUTLETS. SUCH CIRCUITS SHALL HAVE NO OTHER OUTLETS (NEC 210.11c.3) PROVIDE A MIN OF 2 SEPARATE 20-AMP CIRCUITS TO KITCHEN APPLIANCES. THE TWO OR MORE SMALL APPLIANCE BRANCH CIRCUITS SHALL HAVE NO OTHER OUTLETS. PROVIDE NOTE ON THE 9. PER CEC 406.12 AND BE LOCATED WITHIN 36 INCHES OF THE OUTSIDE EDGE OF THE BASIN (CEC 210.52d and 210.8a) EXTERIOR RECEPTACLE OUTLETS SHALL BE 120-VOLT, WEATHERPROOF GFI AND SHALL BE INDICATED AS "WP/GFI" (CEC 210.52e, 210.8a AND 406.9b) 10. 12. PLANS (CEC 210.52b) PER TITLE 24 (OR APPROVED EQUIVALENT) RECOMMENDATIONS. WHERE FLASHING MUST BE EXPOSED, FLASHING SHALL OVERLAPS AND EDGES SHALL BE PER ROOFING MANUFACTURER FELT PAPER, 2 LAYERS 15# FELT PAPER SHALL LAY IN CONTINUOUS STRIPS, OF 12" TYP. FLASHING SHALL BE LAID ON A CONTINUOUS STRIP (36" WIDE) OF 30" FLASHING SHALL EXTEND UP / DOWN ADJACENT SURFACES A MIN. ALL RIDGES, HIPS AND VALLEYS SHALL BE FLASHED W/ MIN 24 GA ALUMINUM ALL FASTENERS TO RESIST WIND LOAD OF NOT LESS THAN 110 MPH. ALL ROOF FASTENERS SHALL BE INSTALLED PER MANUFACTURER'S SPECS2. 3. 4. BE MIN 24 GA ALUMINUM W/ PAINT FINISH OR APPROVED EQUAL 1. FLASHING (CONTINUOUS) AND SHALL NOT BE VISIBLE. WHERE CEILING IS TIGHT TO STRUCTURE TYP. - INSULATION BLOCK PROVIDE INSULATION IN ALL ATTIC SPACES AND BETWEEN ALL ROOF RAFTERS OR APPROVED EQUAL - A MIN OF 1 INCH OF AIR SPACE SHALL BE PROVIDED BETWEEN THE INSULATION AND THE ROOF SHEATHING Base flashing against a vertical sidewall shall be continuous or step flashing and shall be not less than 4 inches (102 mm) in height and 4 inches (102 mm) in width and shall direct water away from the vertical sidewall onto the roof or into the gutter. Where exterior plaster is provided on the vertical sidewall, the base flashing shall be provided in accordance with R905.2.8.3 and Section R703.6.3 Roofing Notes 10f CEILING TIGHT TO STRUCTURE - TYP WITH CONTRACTOR CATHEDRAL CEILING TIGHT TO STRUCTURE TYPICAL - FURR DOWN 3b 3a 3c 3e 3a 3a 3a 3d EXTERIOR 16 SEER (12.2 EER) A/C CONDENSER PER TITLE 24 3d WATER HEATER, RHEEM PROPH40 T2 RH37515 (40 gal, JA13) PER TITLE 24 10c10c S Bedroom 1 S S S3 S S 3a S S 1 1 10c EXCEPTIONS: DEDICATED OUTLETS, FLOOR OUTLETS, CONTROLS ON CEILING FANS, LIGHTS, AND APPLIANCES; AND OUTLETS REQUIRED BY CEC ON A WALL WHERE THE OF OUTLET BOX AND NOT LESS THAN 15" AFF FROM BOTTOM OF THE OUTLET BOX AFF. DISTANCE BETWEEN FINISH FLOOR AND A BUILT-IN FEATURE (WINDOW) IS LESS THAN 15" 1 13 ' - 0 " 6"6" 7' - 1 1 " 8' - 1 0 " project sheet ADU Santa Ana California 92706 Oakmont Ave Uradomo Gurman stamp plot date project sheet revision construction bid issue revision revision b.d. submittal title 3.31.2026 Gurman 2424 Unit 2 Uradomo 2.18.2025 OWNR 1 2.6.2026 OWNR 1 3.31.2026 SCALE: 1/4" = 1'Proposed Front (East) Elevation SCALE: 1/4" = 1'Existing Rear (West) Elevation to remain Proposed North Elevation 2 3SCALE: 1/4" = 1'6 SCALE: 1/4" = 1'5 Elevations A3.0 Keynotes Proposed South Elevation Exterior 2 Exterior 2a 2b 2c NEW WOOD WINDOW PER SCHEDULE NEW WOOD DUTCH DOOR PER SCHEDULE 2d 2e 2f EXISTING PARAPET TO REMAIN NEW BUILT-UP COOL ROOF PER ROOF PLAN A2.1 / KEYNOTE 10a EXISTING EXTERIOR STUCCO TO REMAIN NEW WOOD FRENCH DOORS PER SCHEDULE 4 PROPOSED ADU 2g 2d 2c 2b 2d 2e 2a 2e 2e 2e 2a 2a 2a 3 Interior 3a 3b 3c 1" AIR GAP ABV INSULATION R-38 ROCKWOOL COMFORTBATT (STONE WOOL BATT) INSULATION 3d 3e EXISTING 2x10 RR ADD 1.5" FURRING AT EXISTING 2x10 RR FOR TOTAL R-15 BATT INSULATION AT EXISTING 2X4 EXTERIOR WALLS PER TITLE 24 CLEARANCE OF 10.75" FOR INSULATION 3f MIN 1/2" GYPSUM BOARD Section LIVING AREA SCALE: 1/4" = 1' 3h 3e 3e 3d 3c3b3a Section + AT ROOF RAFTERS (9.5" THICKNESS) 3g 5/8" TYPE X GYPSUM BOARD FROM SLAB TO UNDERSIDE OF ROOF SHEATHING 3h NEW SLAB ON GRADE PER STRUCTURAL 3g 3f 2f 2g PROPOSED ADU ELECTRICAL PANEL LOCATION - VIF 2e 2e EX CONCRETE EX CONCRETE 3j EXISTING FOUNDATION AS NOTED PER STRUCTURAL 3j 2a2a ON GRADE ON GRADE 3j AT REAR WALL (1-HOUR) 2h ONE HOUR RATED WALL - SEE DETAIL 2 / A2.0 EX + NEW SLAB (FF) EX TP 2h 10 1/2" CLR FURR TO EX RR EX RR 2j NEW PAIR WOOD DOORS W/ UPPER/ LOWER VENTS PER SCHEDULE2j 2j A/C CONDENSER2k 2k 2b 3k FURR OUT EX WALLS BEYOND CONCRETE CURB 3k 3k 1 1 Aging in Place / Fall Prevention Requirements per CRC R327 7 2 “ SCHEDULE TYPE HDU2-SDS2.5 5/8" HDU4-SDS2.5 5/8" HDU5-SDS2.5 5/8" 4x4 4x4 4x4 12-1/2" (4) 12-1/2" 12-1/2" AT FOOTINGS AT SLABS SH U C R I ( C H U C K ) Y A G H I ST R U C T U R A L E N G I N E E R I N G 11 2 E . C H A P M A N A V E S U I T E D OR A N G E , C A 9 2 8 6 6 P H . 7 1 4 - 9 9 7 - 9 1 2 0 YA G H I - E N G I N E E R S @ L I V E . C O M GU R M A N R E S I D E N C E - A D U 24 2 4 O A K M O N T A V E , U N I T 2 SA N T A A N A , C A 9 2 7 0 6 S1 Shucri I. Yaghi 12/18/24 EPOXY BOLTS IN (E) CONCRETE TBD EC1.0 Compliance Energy ADU Santa Ana California 92706 Oakmont Ave Gurman 2424 Unit 2 Uradomo ADU Santa Ana California 92706 Oakmont Ave Gurman 2424 Unit 2 Uradomo EC1.1 Compliance Energy                                  !"              !#$!        %&'()'*+,-*./.0123'*1*.+*40&456'')25'73.1'*8.*03&'/49/2943:.)552004*:;'7:)3&:5/.019:4)/'*'1.*3<%&:51*.+*40&45411*.=494)7:5 423&.*:;'76,3&'>49:8.*):4()'*+,>.00:55:.)8.*25'?:3&6.3&3&'@'5:7')3:494)7A.)*'5:7')3:49BCBBD2:97:)+()'*+,(88:/:')/,E34)74*75<  %&:51*.+*407'='9.1'76,()'*+,E.83FGG>H???<')'*+,5.83</.0<  IJK LMNOPQRSTUOVUOOOOOOWXYYLZ OVQ[UQOI[Q\O]IOO^_`Ya bUTcdeT[OfTgcbOhTbci[b jTkc[OlQmieUn[ oQcfnRThOp[TRiqOQ[hOoTbUc[iOVTRkcdTbOlUh `ZMrLLNrX^NZ OVQ[UQOI[Q\O]IO^_`Ya Xs_^s_Y_a __XaM VQ[OtRQ[dcbdn\O]IO^MZ_Yu```L tnRObmvvnRUOvfTQbTOTwQcfxOjTkc[yoQcfnRThp[TRiqz[fc[Trdnw _M_MOzQSwn[UOIkT           ! !" #!$ %$  # &' ( "" )*+%#" )"  %$  #   !%, "!$ %$  #  )"     , ,-,. "(/" ( 0/ -  1  2  %$  # CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01-E Project Name:ADU Calculation Date/Time:2026-03-27T12:20:17-07:00 (Page 1 of 10) Calculation Description:Title 24 Analysis Input File Name:22369 2424 Oakmont, Santa Ana add adu Steichen Lewis Designs A.ribd22x Registration Number:Registration Date/Time:    HERS Provider: CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000 Schema Version: rev 20220901 Report Generated: 2026-03-27   12:20:35 GENERAL INFORMATION 01 Project Name ADU 02 Run Title Title 24 Analysis 03 Project Location 2424 Oakmont Ave 04 City Santa Ana 05 Standards Version 2022 06 Zip code 92706 07 Software Version EnergyPro 9.4 08 Climate Zone 8 09 Front Orientation (deg/ Cardinal)180 10 Building Type Single family 11 Number of Dwelling Units 1 12 Project Scope Newly Constructed Addition 13 Number of Bedrooms 6 14 Addition Cond. Floor Area (ft2)720 15 Number of Stories 1 16 Existing Cond. Floor Area (ft2)3000 17 Fenestration Average U-factor 0.31 18 Total Cond. Floor Area (ft2)3720 19 Glazing Percentage (%)20.00% 20 ADU Bedroom Count 2 21 ADU Conditioned Floor Area 720 22 Fuel Type All electric 23 No Dwelling Unit:No ADDITION ALONE - Project Analysis Parameters 01 02 03 04 05 06 Existing Area (excl. new addition) (ft2) Addition Area (excl. existing) (ft2)Total Area (ft2)Existing Bedrooms Addition Bedrooms Total Bedrooms 3000 720 3720 4 2 6 ADDITION ALONE - ACCESSORY DWELLING UNIT (ADU) PROJECT ANALYSIS PARAMETERS 01 02 03 04 05 06 07 08 Zone Name Existing Area (excl. new addition) (ft2) ADU Area (excl. existing) (ft2)Total Area (ft2)Existing Bedrooms Addition Bedrooms Total Bedrooms Attached vs. Detached New area 3000 720 3720 4 2 6 Detached 426-P010092602A-000-000-0000000-0000 03/29/2026 02:17 CHEERS NOTICE: This document has been generated by California Home Energy Efficiency Rating Services (CHEERS) using information uploaded by third parties not affiliated with or related to CHEERS. Therefore, CHEERS is not responsible for, and cannot guarantee, the accuracy or completeness of the information contained in this document. CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01-E Project Name:ADU Calculation Date/Time:2026-03-27T12:20:17-07:00 (Page 2 of 10) Calculation Description:Title 24 Analysis Input File Name:22369 2424 Oakmont, Santa Ana add adu Steichen Lewis Designs A.ribd22x Registration Number:Registration Date/Time:    HERS Provider: CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000 Schema Version: rev 20220901 Report Generated: 2026-03-27   12:20:35 COMPLIANCE RESULTS 01 Building Complies with Computer Performance 02 This building incorporates features that require field testing and/or verification by a certified HERS rater under the supervision of a CEC-approved HERS provider. 03 This building incorporates one or more Special Features shown below 426-P010092602A-000-000-0000000-0000 03/29/2026 02:17 CHEERS NOTICE: This document has been generated by California Home Energy Efficiency Rating Services (CHEERS) using information uploaded by third parties not affiliated with or related to CHEERS. Therefore, CHEERS is not responsible for, and cannot guarantee, the accuracy or completeness of the information contained in this document. CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01-E Project Name:ADU Calculation Date/Time:2026-03-27T12:20:17-07:00 (Page 3 of 10) Calculation Description:Title 24 Analysis Input File Name:22369 2424 Oakmont, Santa Ana add adu Steichen Lewis Designs A.ribd22x Registration Number:Registration Date/Time:    HERS Provider: CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000 Schema Version: rev 20220901 Report Generated: 2026-03-27   12:20:35 ENERGY USE SUMMARY Energy Use Standard Design Source Energy (EDR1) (kBtu/ft2 -yr) Standard Design TDV Energy (EDR2) (kTDV/ft2 -yr) Proposed Design Source Energy (EDR1) (kBtu/ft2 -yr) Proposed Design TDV Energy (EDR2) (kTDV/ft2 -yr)Margin (EDR1)Margin (EDR2) Space Heating 0 0.8 0 6.82 0 -6.02 Space Cooling 0 24.67 0 19.75 0 4.92 IAQ Ventilation 0 5 0 5 0 0 Water Heating 0 27.49 0 21.12 0 6.37 Self Utilization/Flexibility Credit 0 0 Efficiency Compliance Total 0 57.96 0 52.69 0 5.27 Photovoltaics 0 0 Battery 0 Flexibility Indoor Lighting 0 5.93 0 5.93 Appl. & Cooking 0 66.96 0 66.5 Plug Loads 0 64.25 0 64.25 Outdoor Lighting 0 8.17 0 8.17 TOTAL COMPLIANCE 0 203.27 0 197.54 426-P010092602A-000-000-0000000-0000 03/29/2026 02:17 CHEERS NOTICE: This document has been generated by California Home Energy Efficiency Rating Services (CHEERS) using information uploaded by third parties not affiliated with or related to CHEERS. Therefore, CHEERS is not responsible for, and cannot guarantee, the accuracy or completeness of the information contained in this document. CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01-E Project Name:ADU Calculation Date/Time:2026-03-27T12:20:17-07:00 (Page 4 of 10) Calculation Description:Title 24 Analysis Input File Name:22369 2424 Oakmont, Santa Ana add adu Steichen Lewis Designs A.ribd22x Registration Number:Registration Date/Time:    HERS Provider: CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000 Schema Version: rev 20220901 Report Generated: 2026-03-27   12:20:35 ENERGY USE INTENSITY Standard Design (kBtu/ft2 - yr )Proposed Design (kBtu/ft2 - yr )Margin (kBtu/ft2 - yr )Margin Percentage Gross EUI1 24.03 23.3 0.73 3.04 Net EUI2 24.03 23.3 0.73 3.04 Notes     1. Gross EUI is Energy Use Total (not including PV) / Total Building Area.     2. Net EUI is Energy Use Total (including PV) / Total Building Area. REQUIRED SPECIAL FEATURES The following are features that must be installed as condition for meeting the modeled energy performance for this computer analysis. •Cool roof •Non-standard duct location (any location other than attic) •Northwest Energy Efficiency Alliance (NEEA) rated heat pump water heater; specific brand/model, or equivalent, must be installed •One or more heat pump water heaters have been modeled as demand response compatible HERS FEATURE SUMMARY The following is a summary of the features that must be field-verified by a certified HERS Rater as a condition for meeting the modeled energy performance for this computer analysis. Additional detail is provided in the building tables below. Registered CF2Rs and CF3Rs are required to be completed in the HERS Registry •Quality insulation installation (QII) •Indoor air quality ventilation •Kitchen range hood •Minimum Airflow •Verified SEER/SEER2 •Fan Efficacy Watts/CFM •Verified HSPF •Verified heat pump rated heating capacity •Duct leakage testing •Ducts located entirely in conditioned space confirmed by duct leakage testing 426-P010092602A-000-000-0000000-0000 03/29/2026 02:17 CHEERS NOTICE: This document has been generated by California Home Energy Efficiency Rating Services (CHEERS) using information uploaded by third parties not affiliated with or related to CHEERS. Therefore, CHEERS is not responsible for, and cannot guarantee, the accuracy or completeness of the information contained in this document. CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01-E Project Name:ADU Calculation Date/Time:2026-03-27T12:20:17-07:00 (Page 5 of 10) Calculation Description:Title 24 Analysis Input File Name:22369 2424 Oakmont, Santa Ana add adu Steichen Lewis Designs A.ribd22x Registration Number:Registration Date/Time:    HERS Provider: CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000 Schema Version: rev 20220901 Report Generated: 2026-03-27   12:20:35 ZONE INFORMATION 01 02 03 04 05 06 07 Zone Name Zone Type HVAC System Name Zone Floor Area (ft2)Avg. Ceiling Height Water Heating System 1 Status New area Conditioned hvac1 720 9 DHW Sys 1 New OPAQUE SURFACES 01 02 03 04 05 06 07 08 09 10 Name Zone Construction Azimuth Orientation Gross Area (ft2)Window and Door Area (ft2)Tilt (deg)Wall Exceptions Status Left New New area 2x4 n 270 Left 200 0 90 Extension New Back New New area 2x4 n 0 Back 140 10 90 Extension New Right new New area 2x4 n 90 Right 200 82 90 Extension New Front New area 2x4 n 180 Front 140 40 90 Extension New OPAQUE SURFACES - CATHEDRAL CEILINGS 01 02 03 04 05 06 07 08 09 10 11 Name Zone Construction Azimuth Orientation Area (ft2) Skylight Area (ft2) Roof Rise (x in 12) Roof Reflectance Roof Emittance Cool Roof Roof new New area R-38 Roof Cathedral 270 Left 720 12 1 0.3 0.75 Yes FENESTRATION / GLAZING 01 02 03 04 05 06 07 08 09 10 11 12 13 14 Name Type Surface Orientation Azimuth Width (ft) Height (ft)Mult.Area (ft2)U-factor U-factor Source SHGC SHGC Source Exterior Shading Window B Window Back New Back 0 1 10 0.3 NFRC 0.23 NFRC Bug Screen Door 1 Window Right new Right 90 1 18 0.3 NFRC 0.23 NFRC Bug Screen Window A Window Right new Right 90 1 24 0.3 NFRC 0.23 NFRC Bug Screen 426-P010092602A-000-000-0000000-0000 03/29/2026 02:17 CHEERS NOTICE: This document has been generated by California Home Energy Efficiency Rating Services (CHEERS) using information uploaded by third parties not affiliated with or related to CHEERS. Therefore, CHEERS is not responsible for, and cannot guarantee, the accuracy or completeness of the information contained in this document. CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01-E Project Name:ADU Calculation Date/Time:2026-03-27T12:20:17-07:00 (Page 6 of 10) Calculation Description:Title 24 Analysis Input File Name:22369 2424 Oakmont, Santa Ana add adu Steichen Lewis Designs A.ribd22x Registration Number:Registration Date/Time:    HERS Provider: CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000 Schema Version: rev 20220901 Report Generated: 2026-03-27   12:20:35 FENESTRATION / GLAZING 01 02 03 04 05 06 07 08 09 10 11 12 13 14 Name Type Surface Orientation Azimuth Width (ft) Height (ft)Mult.Area (ft2)U-factor U-factor Source SHGC SHGC Source Exterior Shading Door 2 5 Window Right new Right 90 1 40 0.3 NFRC 0.23 NFRC Bug Screen Door 2 3 Window Front Front 180 1 40 0.3 NFRC 0.23 NFRC Bug Screen Skylight Skylight Roof new Left 270 1 8 0.48 NFRC 0.27 NFRC Skylight 2 Skylight Roof new Left 270 1 4 0.48 NFRC 0.27 NFRC SLAB FLOORS 01 02 03 04 05 06 07 08 Name Zone Area (ft2)Perimeter (ft)Edge Insul. R-value and Depth Edge Insul. R-value and Depth Carpeted Fraction Heated Slab-on-Grade New area 720 81 none 0 80%No OPAQUE SURFACE CONSTRUCTIONS 01 02 03 04 05 06 07 08 Construction Name Surface Type Construction Type Framing Total Cavity R-value Interior / Exterior Continuous R-value U-factor Assembly Layers 2x4 n Exterior Walls Wood Framed Wall 2x4 @ 16 in. O. C.R-15 None / None 0.095 Inside Finish: Gypsum Board Cavity / Frame: R-15 / 2x4 Exterior Finish: All Other Siding R-38 Roof Cathedral Cathedral Ceilings Wood Framed Ceiling 2x12 @ 16 in. O. C.R-38 None / None 0.029 Roofing: Light Roof (Asphalt Shingle) Roof Deck: Wood Siding/sheathing/decking Radiant Barrier Cavity / Frame: R-38 / 2x12 Inside Finish: Gypsum Board 426-P010092602A-000-000-0000000-0000 03/29/2026 02:17 CHEERS NOTICE: This document has been generated by California Home Energy Efficiency Rating Services (CHEERS) using information uploaded by third parties not affiliated with or related to CHEERS. Therefore, CHEERS is not responsible for, and cannot guarantee, the accuracy or completeness of the information contained in this document. CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01-E Project Name:ADU Calculation Date/Time:2026-03-27T12:20:17-07:00 (Page 7 of 10) Calculation Description:Title 24 Analysis Input File Name:22369 2424 Oakmont, Santa Ana add adu Steichen Lewis Designs A.ribd22x Registration Number:Registration Date/Time:    HERS Provider: CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000 Schema Version: rev 20220901 Report Generated: 2026-03-27   12:20:35 BUILDING ENVELOPE - HERS VERIFICATION 01 02 03 04 05 Quality Insulation Installation (QII)High R-value Spray Foam Insulation Building Envelope Air Leakage CFM50 CFM50 Required Not Required N/A n/a n/a WATER HEATING SYSTEMS 01 02 03 04 05 06 07 08 09 Name System Type Distribution Type Water Heater Name Number of Units Solar Heating System Compact Distribution HERS Verification Water Heater Name (#) DHW Sys 1 Domestic Hot Water (DHW)Standard DHW Heater 1 1 n/a None n/a DHW Heater 1 (1) WATER HEATERS - NEEA HEAT PUMP 01 02 03 04 05 06 07 08 Name # of Units Tank Vol. (gal)NEEA Heat Pump Brand NEEA Heat Pump Model Tank Location Duct Inlet Air Source Duct Outlet Air Source DHW Heater 1 1 40 Rheem PROPH40 T2 RH37515 (40 gal, JA13) Outside New area New area WATER HEATING - HERS VERIFICATION 01 02 03 04 05 06 07 Name Pipe Insulation Parallel Piping Compact Distribution Compact Distribution Type Recirculation Control Shower Drain Water Heat Recovery DHW Sys 1 - 1/1 Not Required Not Required Not Required None Not Required Not Required 426-P010092602A-000-000-0000000-0000 03/29/2026 02:17 CHEERS NOTICE: This document has been generated by California Home Energy Efficiency Rating Services (CHEERS) using information uploaded by third parties not affiliated with or related to CHEERS. Therefore, CHEERS is not responsible for, and cannot guarantee, the accuracy or completeness of the information contained in this document. CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01-E Project Name:ADU Calculation Date/Time:2026-03-27T12:20:17-07:00 (Page 8 of 10) Calculation Description:Title 24 Analysis Input File Name:22369 2424 Oakmont, Santa Ana add adu Steichen Lewis Designs A.ribd22x Registration Number:Registration Date/Time:    HERS Provider: CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000 Schema Version: rev 20220901 Report Generated: 2026-03-27   12:20:35 SPACE CONDITIONING SYSTEMS 01 02 03 04 05 06 07 08 Name System Type Heating Unit Name Heating Equipment Count Cooling Unit Name Cooling Equipment Count Fan Name Distribution Name hvac1 Heat pump heating cooling Heat Pump System 1 1 Heat Pump System 1 1 HVAC Fan 1 Air Distribution System 1 HVAC - HEAT PUMPS 01 02 03 04 05 06 07 08 09 10 11 12 13 Name System Type Number of Units Heating Cooling Zonally Controlled Compressor Type HERS VerificationHeating Efficiency Type HSPF/HS PF2/COP Cap 47 Cap 17 Cooling Efficiency Type SEER/SE ER2 EER/EER 2/CEER Heat Pump System 1 Central split HP 1 HSPF 10 20000 15500 EERSEER 16 12.2 Not Zonal Single Speed Heat Pump System 1-hers-htpump HVAC HEAT PUMPS - HERS VERIFICATION 01 02 03 04 05 06 07 08 09 Name Verified Airflow Airflow Target Verified EER/EER2 Verified SEER/SEER2 Verified Refrigerant Charge Verified HSPF/HSPF2 Verified Heating Cap 47 Verified Heating Cap 17 Heat Pump System 1-hers-htpump Required 350 Not Required Required No Yes Yes Yes HVAC - DISTRIBUTION SYSTEMS 01 02 03 04 05 06 07 08 09 10 11 12 Name Type Design Type Duct Ins. R-value Duct Location Surface Area Bypass Duct Duct Leakage HERS Verification Supply Return Supply Return Supply Return Air Distribution System 1 Conditioned space-entirely Non-Verified R-8 R-8 Conditi oned Zone Conditi oned Zone n/a n/a No Bypass Duct Sealed and Tested Air Distribution System 1-hers-dist 426-P010092602A-000-000-0000000-0000 03/29/2026 02:17 CHEERS NOTICE: This document has been generated by California Home Energy Efficiency Rating Services (CHEERS) using information uploaded by third parties not affiliated with or related to CHEERS. Therefore, CHEERS is not responsible for, and cannot guarantee, the accuracy or completeness of the information contained in this document. CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01-E Project Name:ADU Calculation Date/Time:2026-03-27T12:20:17-07:00 (Page 9 of 10) Calculation Description:Title 24 Analysis Input File Name:22369 2424 Oakmont, Santa Ana add adu Steichen Lewis Designs A.ribd22x Registration Number:Registration Date/Time:    HERS Provider: CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000 Schema Version: rev 20220901 Report Generated: 2026-03-27   12:20:35 HVAC DISTRIBUTION - HERS VERIFICATION 01 02 03 04 05 06 07 08 09 Name Duct Leakage Verification Duct Leakage Target (%) Verified Duct Location Verified Duct Design Buried Ducts Deeply Buried Ducts Low-leakage Air Handler Low Leakage Ducts Entirely in Conditioned Space Air Distribution System 1-hers-dist Yes 5.0 Required Not Required Not Required Credit not taken Not Required No HVAC - FAN SYSTEMS 01 02 03 04 Name Type Fan Power (Watts/CFM)Name HVAC Fan 1 HVAC Fan 0.45 HVAC Fan 1-hers-fan HVAC FAN SYSTEMS - HERS VERIFICATION 01 02 03 Name Verified Fan Watt Draw Required Fan Efficacy (Watts/CFM) HVAC Fan 1-hers-fan Required 0.45 INDOOR AIR QUALITY (IAQ) FANS 01 02 03 04 05 06 07 08 09 Dwelling Unit Airflow (CFM)Fan Efficacy (W/CFM)IAQ Fan Type Includes Heat/Energy Recovery? IAQ Recovery Effectiveness - SRE/ASRE Includes Fault Indicator Display?HERS Verification Status SFam ADU IAQVentRpt 44 0.35 Exhaust No n/a / n/a No Yes 426-P010092602A-000-000-0000000-0000 03/29/2026 02:17 CHEERS NOTICE: This document has been generated by California Home Energy Efficiency Rating Services (CHEERS) using information uploaded by third parties not affiliated with or related to CHEERS. Therefore, CHEERS is not responsible for, and cannot guarantee, the accuracy or completeness of the information contained in this document. CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01-E Project Name:ADU Calculation Date/Time:2026-03-27T12:20:17-07:00 (Page 10 of 10) Calculation Description:Title 24 Analysis Input File Name:22369 2424 Oakmont, Santa Ana add adu Steichen Lewis Designs A.ribd22x Registration Number:Registration Date/Time:    HERS Provider: CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000 Schema Version: rev 20220901 Report Generated: 2026-03-27   12:20:35 DOCUMENTATION AUTHOR'S DECLARATION STATEMENT 1. I certify that this Certificate of Compliance documentation is accurate and complete. Documentation Author Name:Documentation Author Signature: Company:Signature Date: Address:CEA/ HERS Certification Identification (If applicable): City/State/Zip:Phone: RESPONSIBLE PERSON'S DECLARATION STATEMENT I certify the following under penalty of perjury, under the laws of the State of California: 1.I am eligible under Division 3 of the Business and Professions Code to accept responsibility for the building design identified on this Certificate of Compliance. 2.I certify that the energy features and performance specifications identified on this Certificate of Compliance conform to the requirements of Title 24, Part 1 and Part 6 of the California Code of Regulations. 3.The building design features or system design features identified on this Certificate of Compliance are consistent with the information provided on other applicable compliance documents, worksheets, calculations, plans and specifications submitted to the enforcement agency for approval with this building permit application. Responsible Designer Name:Responsible Designer Signature: Company:Date Signed: Address:License: City/State/Zip:Phone:   Kevin Laughton Tailored Energy Services 03/29/2026 548 Market Street #30051 San Francisco, CA 94120 888-310-0808 Kevin Laughton Tailored Energy Services 03/29/2026 548 Market Street #30051 San Francisco, CA 94120 888-310-0808 426-P010092602A-000-000-0000000-0000 03/29/2026 02:17 CHEERS NOTICE: This document has been generated by California Home Energy Efficiency Rating Services (CHEERS) using information uploaded by third parties not affiliated with or related to CHEERS. Therefore, CHEERS is not responsible for, and cannot guarantee, the accuracy or completeness of the information contained in this document. Digitally signed by California Home Energy Efficiency Rating Services (CHEERS). This digital signature is provided in order to secure the content of this registered document, and in no way implies Registration Provider responsibility for the accuracy of the information.         !"#$% &"$''( $)&" $*+, -'.' ',,/0* "/1!/2&''304,   5 678 9:;<=6>?=@:;AB798C@=ADEFGHB7?@8I J78=>67< =8=>< J5 !'K LM  K N.''O 4P&K 56@7;=8=@:; 678DEFGH J8? 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YAGHI Consulting Engineers: Residential & Commercial 112 E. Chapman Ave, Suite D, Orange, CA 92866 TEL: 714/997-9120 FAX CITY OF SANTA ANA Planning and Building Agency Appmved FOR PERMIT ISSUANCE 714/744-3676 MITLa STRUCTURAL CALCULATIONS DESIGNED BY: SY/AY JOB NUMBER: 24493 DATE: 3/31 /26 PROJECT: GURMAN RESIDENCE- ADU (2424 OAKMONT AVE., UNIT 2- SANTA ANA, CA. 92706) CLIENT: JANE LEWIS- (714) 558-3981 BUILDING CODE: INTERNATIONAL BUILDING CODE 2024 EDITION, CALIFORNIA BUILDING CODE 2025 EDITION AND LATEST FONTANA DEVELOPMENT CODES MATERIALS: Except as otherwise specified herein: Concrete TYPE "II" 2,500 PSI at 28 days. E Concrete Block Grade N. Light Weight Units, ASTM C-90 N�! Brick Masonry Grade MW, 2,500 PSI Units, ASTM -62 Reinforced Steel 20,000 PSI (ASTM A615, Grade 40) y s Structural Steel 24,000 PSI (Compact) (ASTM A572 Grade 50) C 43205 Structural Pipe 22,000 PSI (ASTM A-36) P. 03/31/28 Plywood Sheathing D.F.P.A., Structural II, INTR., P.S.1-95 Glu-Laminated Beams: 2,400 PSI (D.F.- Larch Comb."A" or Comb. 24F) OF CAt.�� Lumber Grade Marked D.F.-Larch, W.C.L.B. Grading Rule 16. Soils Bearing Pressure: 1500 PSF min. unless specified in soils report. DESIGN REFERENCE: (Including Charts & Tables from): Lumber & Timber Wood Structural Design Data (Volume1) National Lumber Manufacturers Association Steel Manual of Steel Construction, AISC Concrete Reinforced Concrete Design Handbook, ACI: Ultimate Strength Design Handbook, ACI Concrete Block & Masonry Design Manual, by Masonry Brick Masonry Industry 12/13/24, 10:06 AM U.S. Seismic Design Maps USGS wob servk; es were down for Some period :}; !:Me sr+d as e result thia tool wasn't operational, n USES web sen ..'ices are now operaucnal SO this t: l Shou?d work as expected 2424 Oakmont Ave, Santa Ana, CA 92706, USA Latitude, Longitude: 33.7688473,-l17.8594752 r� 0 =r rti r CID Z 3 Z• 0 0 tD t1a a b c < 9W Z CITY OF SANTA ANA Planning and Building Agency in irriecau'er.3r. Approved F0 SlILLMANCE Master ID: Date: Date 12/13/2024, 10:06:41 AM Design Code Reference Document ASCE7-16 Risk Category II Site Class D - Default (See Section 11.4.3) Type Value Description SS 1.325 MCER ground motion. (for 0.2 second period) S1 0.472 MCER ground motion. (for 1.0s period) SMS 1.59 Site -modified spectral acceleration value SM1 null -See Section 11.4.8 Site -modified spectral acceleration value SDS 1.06 Numeric seismic design value at 0:2 second SA SD1 null -See Section 11.4.8 Numeric seismic design value at 1.0 second SA ............... Type Value Description SDC null -See Section 11.4.8 Seismic design category Fa 1.2 Site amplification factor at 0.2 second Fv null -See Section 11.4.8 Site amplification factor at 1.0 second PGA 0.557 MCER peak ground acceleration FPGA 1.2 Site amplification factor at PGA PGAM 0.668 Site modified peak ground acceleration TL 8 Long -period transition period in seconds SsRT 1.325 Probabilistic risk -targeted ground motion. (0.2 second) SsUH 1.424 Factored uniform -hazard (2% probability of exceedance in 50 years) spectral acceleration SsD 1.514 Factored deterministic acceleration value. (0.2 second) S1RT 0.472 Probabilistic risk -targeted ground motion. (1.0 second) S1UH 0.51 Factored uniform -hazard (2% probability of exceedance in 50 years) spectral acceleration. S1D 0.6 Factored deterministic acceleration value. (1.0 second) PGAd 0.627 Factored deterministic acceleration value. (Peak Ground Acceleration) Joana Or Z m 0 b M P Map data (02024 https://www.seismicmaps.org 1/3 ROOF LOADS : SEISMIC LOADS: SDS = ROOF SHEETING CEILING FRAMING MISC. TOTAL DL TOTAL LL TOTAL LOAD Vs S DS (R/1) 1.06 6.5 ►LU = 1.0 Vs 0.163 Wd CITY OF SANTA ANA Planning and Building Agency Approved FOR PERMIT ISSUANCE 4.0 PSF Master ID: ka0e: PSF 4.0 PSF 2.0 PSF 14.0 PSF 20.0 PSF 34.0 PSF XW'3/Jl®Stl33N19N31H�YA 'ty.rtGkb i b OZIULfi6Yl1 Hd9BBZ6 YJ'3'JIJ,MO �g � 90LZ6 V0'11NV t/1NVS 0311(93Atl NrondMl�3Zlt �E 3 -4 JNI213- "$ 'n Z 11Nf1 `3Ab' 1NOW�VO 4Z4Z 3NION3lvNnlonNis wovA NonHO) iaonHS ;�' s flab -33NMISM Nt/wuno `g CITY OF SANTA ANA C�i h ci,,UUi ding Agency U) ^i `IF r— 9 _. -aq 0 8.. .. G w � o .4 W Wgk'Eu����- 9 id.�5�� 3 o5-�N N �rc x�X�v4i is w �a w U) a 8' G 6 E � W 3_ �I I Z 0 Z O in O a FOR PERMITIP ieID:a AM. Date:.' ,Jmi a Z O w O Z H s Z'I z� e� a 4 al m Pa IM °r Q .. o Iw ,3 x T- a 10, f �oNLd q, Q a Z y � W a a o F H do n - Id UANCE CITY OFSANTA_, --- - lann" g and Buildin envy P M Date: R Approved PERMIT ISSUANCE 1 —11 3 T-1 ;a� - --- 7n - I 2x�C,> cot� II w 3 1 4 X —�- I j '4 �c •4 I I I �L I � TY OF SA J 1 PI �nd B n y pproved FOR PERMIT ISSUANC - Master ID: Date: 11r N I D A--r. i p w r 4 � , i O I _ r i - i - II I i 1 _ � Y OF SANTA ANA _ PljjjjjLg and Building A ency I - - -i Approved FOR PERMIT ISSUANCE ma i j I NCr iH 11. I 1 izfo, C41L =41i- -L., Y ' f 46k- d 0 r sue' 1Jolt - - - -- rj -/z -AbI t i i I _ CITY -- PI ng and Buil yl AllLncy _ - --- Approved q VERMIT ISSUANCE Ma - � DaNe."WpOP-, I — — I I._-, I I I I G7 c- I I