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HomeMy WebLinkAbout3601_Harbor_P0116352_2025-198851_Grading - PlanLAKE CENTER DRIVE SIGN LPSIGN S H A R B O R B O U L E V A R D T EXISTING BUILDING 3601 S HARBOR BLVD. EXISTING BUILDING 3611 S HARBOR BLVD. EXISTING BUILDING 3621 S HARBOR BLVD.EXISTING BUILDING 3631 S HARBOR BLVD. APN 414-261-12 APN 414-261-34 APN 414-261-07 APN 414-261-31 UNAUTHORIZED CHANGES & USES:ENGINEERS NOTE TO CONTRACTOR: PUBLIC WORKS AGENCY REVISIONS REFERENCES Underground Service Alert of Southern California Know what's below.before you dig.Call R CRISTO REY HIGH SCHOOL PRECISE GRADING PLANS FOR DP #2025-012 3601, AND 3611 SOUTH HARBOR BOULEVARD APN 412-261-07 NINDEX MAP TITLE SHEET NVICINITY MAP FOR PUBLIC SEWER AND WATER FACILITIES ONLY · · · ·”” ·”” “” ” 3/23/2026 03/25/26 8 30C411693 4/8/26 Behrooz Sarlak 4/9/2026 EXISTING BUILDING 3601 S HARBOR BLVD. FF=(±38.2) EXISTING BUILDING 3611 S HARBOR BLVD. FF=(±37.9) EXISTING BUILDING 3621 S HARBOR BLVD. FF=(±36.8) EXISTING BUILDING 3631 S HARBOR BLVD. S H A R B O R B L V D W LAKE CENTER DR (P U B L I C ) (PUBLIC) PR I V A T E D R I V E PRIVATE D R I V E Δ Δ Δ Δ SIGN LP SIGN UNAUTHORIZED CHANGES & USES:ENGINEERS NOTE TO CONTRACTOR: PUBLIC WORKS AGENCY REVISIONS REFERENCES Underground Service Alert of Southern California Know what's below.before you dig.Call R EXISTING CONDITIONS N Behrooz Sarlak 4/9/2026 SIGN LP SIGN EXISTING BUILDING 3601 S HARBOR BLVD. FF=(±38.2) EXISTING BUILDING 3611 S HARBOR BLVD. FF=(±37.9) EXISTING BUILDING 3621 S HARBOR BLVD. FF=(±36.8) EXISTING BUILDING 3631 S HARBOR BLVD. S H A R B O R B L V D W LAKE CENTER DR T (P U B L I C ) (PUBLIC) PR I V A T E D R I V E PRIVATE D R I V E Δ Δ Δ Δ UNAUTHORIZED CHANGES & USES:ENGINEERS NOTE TO CONTRACTOR: PUBLIC WORKS AGENCY REVISIONS REFERENCES Underground Service Alert of Southern California Know what's below.before you dig.Call R DEMOLITION PLAN N DEMOLITION NOTES: Behrooz Sarlak 4/9/2026 SIGN LP SIGN T EXISTING BUILDING 3601 S HARBOR BLVD. FF=(±38.2) EXISTING BUILDING 3611 S HARBOR BLVD. FF=(±37.9) EXISTING BUILDING 3621 S HARBOR BLVD. FF=(±36.8) EXISTING BUILDING 3631 S HARBOR BLVD. Δ Δ Δ Δ S H A R B O R B L V D W LAKE CENTER DR (P U B L I C ) (PUBLIC) PR I V A T E D R I V E PRIVATE D R I V E UNAUTHORIZED CHANGES & USES:ENGINEERS NOTE TO CONTRACTOR: PUBLIC WORKS AGENCY REVISIONS REFERENCES Underground Service Alert of Southern California Know what's below.before you dig.Call R HORIZONTAL CONTROL PLAN N 03/25/26 Behrooz Sarlak 4/9/2026 SIGN SIGN T EXISTING BUILDING 3601 S HARBOR BLVD. FF=(±38.2) EXISTING BUILDING 3611 S HARBOR BLVD. FF=(±37.95) EXISTING BUILDING 3621 S HARBOR BLVD. FF=(±36.8) A-A SHT 8 B-B SHT 8C-C SHT 8 D-D SHT 8 F-FSHT 8 W LAKE CENTER DR (P U B L I C ) (PUBLIC) PR I V A T E D R I V E Δ S H A R B O R B L V D (P U B L I C ) G-G SHT 8 H-H SHT 8 I-I SHT 8 E-E SHT 8 J-J SHT 8 Δ UNAUTHORIZED CHANGES & USES:ENGINEERS NOTE TO CONTRACTOR: PUBLIC WORKS AGENCY REVISIONS REFERENCES Underground Service Alert of Southern California Know what's below.before you dig.Call R GRADING PLAN N LEGEND N Behrooz Sarlak 4/9/2026 UNAUTHORIZED CHANGES & USES:ENGINEERS NOTE TO CONTRACTOR: PUBLIC WORKS AGENCY REVISIONS REFERENCES Underground Service Alert of Southern California Know what's below.before you dig.Call R GRADING PLAN - ENLARGED DETAILS NDETAIL 1 SCALE 1" = 5' NDETAIL 2 SCALE 1" = 5' N DETAIL 3 SCALE 1" = 5' NDETAIL 4 SCALE 1" = 5'NDETAIL 5 SCALE 1" = 5'N DETAIL 6 SCALE 1" = 5' Behrooz Sarlak 4/9/2026 UNAUTHORIZED CHANGES & USES:ENGINEERS NOTE TO CONTRACTOR: PUBLIC WORKS AGENCY REVISIONS REFERENCES Underground Service Alert of Southern California Know what's below.before you dig.Call R GRADING PLAN - ENLARGED DETAILS NDETAIL 8 SCALE 1" = 5' NDETAIL 7 SCALE 1" = 5'NDETAIL 10 SCALE 1" = 5' NDETAIL 9 SCALE 1" = 5' NDETAIL 11 SCALE 1" = 5' NDETAIL 12 SCALE 1" = 5' NDETAIL 13 SCALE 1" = 5' Behrooz Sarlak 4/9/2026 UNAUTHORIZED CHANGES & USES:ENGINEERS NOTE TO CONTRACTOR: PUBLIC WORKS AGENCY REVISIONS REFERENCES Underground Service Alert of Southern California Know what's below.before you dig.Call R GRADING SECTIONS SECTION A-A 1" = 4' VERTICAL 1" = 20' HORIZONTAL SECTION B-B 1" = 4' VERTICAL 1" = 20' HORIZONTAL SECTION C-C 1" = 4' VERTICAL 1" = 20' HORIZONTAL SECTION D-D 1" = 4' VERTICAL 1" = 20' HORIZONTAL SECTION E-E 1" = 4' VERTICAL 1" = 20' HORIZONTAL SECTION F-F 1" = 4' VERTICAL 1" = 20' HORIZONTAL SECTION G-G 1" = 4' VERTICAL 1" = 20' HORIZONTAL SECTION H-H 1" = 4' VERTICAL 1" = 20' HORIZONTAL SECTION I-I 1" = 4' VERTICAL 1" = 20' HORIZONTAL SECTION J-J 1" = 4' VERTICAL 1" = 20' HORIZONTAL Behrooz Sarlak 4/9/2026 D D D D S S S HA R B O R B L V D . 210+89.080.00 T PARCEL 1, PM 245/31APN: 414-261-12 N/F D&S INVESTMENTS LOT 7, PM 252/2-3 PARCEL 2, PM 245/31APN: 414-261-34 N/F SUNFLOWER ART LLC PARCEL 1, PM 292/7-10 APN: 414-261-32 N/F CODAN US CORPORATION LOT 17, PM 252/2-3 APN: 414-261-31 N/F LAKE CENTER BUSINESS HOMEOWNERS ASSN LOT 13, PM 252/2-3 LOT 1, PM 252/2-3 B U I L D I N G B U I L D I N G B U I L D I N G B U I L D I N G A S P H A L T A S P H A L T A S P H A L T S 37.60FL37.68INV 36.32FL36.40INV 35.63FL35.71INV 36.24FL36.32INV INV: 35.81 SEE DETAIL "A" HEREON L=6.0'S=0.017 L=16.4'S=0.025 L=16.5'S=0.017 38 37 37 31 31 32 32 39 36.80INV3936.80INV 3936.45INV L=10.5'S=0.009 36 36 37.61FL37.69INV L=5.0'S=0.064L=5.0'S=0.066 40 37.23INV 38 38 3131 37.58FL37.66INV37.59FL37.67INV L=3.0'S=0.005L=3.0'S=0.01031 31 38 38 32.64FL 28.85INV 33.14TC/RIM35 L=2.5'S=0.00533 L=48.9'S=0.00934 33.78FL INV: 33.78 34.45TC EXISTING BUILDING 3631 S HARBOR BLVD. FF=(±) EXISTING BUILDING 3601 S HARBOR BLVD. FF=(±38.2) EXISTING BUILDING 3611 S HARBOR BLVD. FF=(±37.9) EXISTING BUILDING 3621 S HARBOR BLVD. FF=(±36.8) 10 ' EX I S T I N G S T O R M D R A I N E A S E M E N T EXISTING 36" STORM DRAIN EXISTING 30" STORM DRAIN EXISTING 48" STORM DRAIN EXISTING CATCH BASIN TOBE PROTECTED IN PLACE (32.89RIM) (28.31INV) EXISTING ⅊ EXISTING R/W EXISTING R/W EXISTING ⅊ ℄℄ ℄ ℄ 6 6' 7 25 ' 5 11 25 ' 15 ' 75 10' 9 10 ' 9 10 ' 9 6' 10 6' 10 6' 6' 6' 10 10 10 6' 10 6' 6 6 6' 20' 5 7 15' 7 5 6' 9 15 ' 11 15 ' 5' 5' 15 ' 14' 37' 43' 56' 14' 37' 43' 56' 5' L=21.3'S=0.00533 L=71.3'S=0.00533 L=10.0'S=0.00533 INV: 28.84 INV: 28.73 INV: 28.36 (28.31INV)41 S H A R B O R B L V D W LAKE CENTER DR (P U B L I C ) (PUBLIC) PR I V A T E D R I V E PRIVATE D R I V E S 89°40'46" E 666.94' L: 3 9 . 2 5 ' R: 2 5 . 0 0 ' Δ=8 9 ° 5 6 ' 4 1 " S 0 ° 2 2 ' 3 3 " W 4 8 8 . 0 1 ' S 89°37'27" E 84.42'L:139.72' R:400.00' Δ=20°00'46" N 69°36 ' 4 1 " W 3 5 8 . 4 2 ' L:6 8 . 4 7 ' R:2 0 0 . 0 0 ' Δ=19 ° 3 6 ' 5 5 " S 39 ° 2 9 ' 3 1 " W 5 3 . 2 4 ' L:2 0 5 . 1 0 ' R:3 0 0 . 0 0 ' Δ=3 9 ° 1 0 ' 1 7 " S 0 ° 1 9 ' 1 4 " W 3 7 0 . 1 9 ' 30 ' 60'60' 120' 30 ' 30 ' 30 ' 60 ' 49.6' 21 . 4 ' 21 . 5 ' EXISTING CATCH BASIN TO BE PROTECTED IN PLACE (34.84RIM) (26.42INV)9 EXISTING CATCH BASIN TO BE PROTECTED IN PLACE (34.82RIM) (26.36INV) EXISTING END OF 36"LINE BLOCKED 36.23FL36.31INV38 INV: 36.60 L=11.3'S=0.017 L=11.7'S=0.017 L=16.9'S=0.017 INV: 36.60 31 31 L=23.2'S=0.025 INV: 36.22 36.32FL36.40INV L=10.5'S=0.0103636 36.30FL36.38INV36.30FL36.38INV 39 36.23INV L=6.0'S=0.010 L=6.0'S=0.0123131 3838 X2 X2 42 (33.30)FL INV: 33.34 (34.13)TC 2' 2'PROTECT EXISTING COLUMN 36.17FL INV: 36.17 36.67TC 36.14FL INV: 36.14 36.64TC L=6.0'S=0.00543 4244 INV: 36.56 35.85INV 35.77FL 36 INV: 36.60 INV: 36.68 INV: 36.76 INV: 36.78 36.80INV39 L=1.1'S=0.015 L=1.7'S=0.015 L=5.2'S=0.015 L=5.2'S=0.015 L=2.7'S=0.015 L=4.5'S=0.159 31 31 31 31 31 36 35.46FL35.54INV 35.48FL35.56INV38 L=7.6'S=0.026 L=7.6'S=0.024 31 35.66INV40 38 L=0.8'S=0.015 L=1.1'S=0.015 L=5.2'S=0.015 L=5.8'S=0.015 L=3.0'S=0.015 L=4.5'S=0.160 INV: 36.77 INV: 36.79 INV: 36.69 INV: 36.61 INV: 36.56 31 31 31 31 31 36 31 UNAUTHORIZED CHANGES & USES: THE ENGINEER PREPARING THESE PLANS WILL NOT BE RESPONSIBLE FOR, OR LIABLE FOR, UNAUTHORIZED CHANGES TO OR USES OF THESE PLANS. ALL CHANGES TO THE PLANS MUST BE IN WRITING AND MUST BE APPROVED BY THE PREPARER OF THESE PLANS. CONSTRUCTION CONTRACTOR AGREES THAT IN ACCORDANCE WITH GENERALLY ACCEPTED CONSTRUCTION PRACTICES, CONSTRUCTION CONTRACTOR WILL BE REQUIRED TO ASSUME SOLE AND COMPLETE RESPONSIBILITY FOR JOB SITE CONDITIONS DURING THE COURSE OF CONSTRUCTION OF THE PROJECT, INCLUDING SAFETY OF ALL PERSONS AND PROPERTY, THAT THIS REQUIREMENT SHALL BE MADE TO APPLY CONTINUOUSLY AND NOT BE LIMITED TO NORMAL WORKING HOURS, AND CONSTRUCTION CONTRACTOR FURTHER AGREES TO DEFEND, INDEMNIFY AND HOLD DESIGN PROFESSIONAL HARMLESS FROM ANY AND ALL LIABILITY, REAL OR ALLEGED, IN CONNECTION WITH THE PERFORMANCE OF WORK ON THIS PROJECT, EXCEPTING LIABILITY ARISING FROM THE SOLE NEGLIGENCE OF DESIGN PROFESSIONAL. ENGINEERS NOTE TO CONTRACTOR: THE EXISTENCE AND LOCATION OF ANY UNDERGROUND UTILITIES, PIPES, AND/OR STRUCTURES SHOWN ON THESE PLANS WERE OBTAINED BY A SEARCH OF AVAILABLE RECORDS. TO THE BEST OF OUR KNOWLEDGE, THERE ARE NO EXISTING UTILITIES EXCEPT AS SHOWN ON THESE PLANS. THE CONTRACTOR SHALL ASCERTAIN THE TRUE VERTICAL AND HORIZONTAL LOCATION OF THOSE UNDERGROUND UTILITIES TO BE USED AND SHALL BE RESPONSIBLE FOR ANY DAMAGE TO ANY PUBLIC OR PRIVATE UTILITIES, SHOWN OR NOT SHOWN HEREON. IF THE CONTRACTOR ENCOUNTERS ANY DISCREPANCIES, CONFLICTS OR AREAS WHICH HE FEELS UNWORKABLE, HE SHALL NOTIFY THE GRADING ENGINEER IMMEDIATELY PRIOR TO CONTINUING OR DEVIATING FROM THIS PLAN. FILE NO.: SH T - X X N N - N N N N N - R 0 0 . D G N PRECISE GRADING PLAN 3601, 3611 HARBOR BOULEVARD CITY OF SANTA ANAPUBLIC WORKS AGENCY REVISIONS REFERENCES NUMBER DATE INITIALS DESCRIPTION APPROVED INSTALLED CONSTRUCTION COMPLETED:SHEET OF 16 BENCHMARK NO.: 1F-177-10 (OCPW BM)ELEV.: 37.459' NAVD88 www.DigAlert.org TWO WORKING DAYSBEFORE YOU DIG Underground Service Alert NOTICE TO CONTRACTOR of Southern California PURSUANT TO ASSEMBLY BILL 4216 NO EXCAVATION PERMITIS VALID UNLESS THE CONTRACTOR CONTACTS AND OBTAINSA DIG ALERT TICKET NUMBER. CALL 811 AT LEAST TWOWORKING DAYS PRIOR TO COMMENCING EXCAVATION. DATE PREPARED UNDERTHE SUPERVISIONOF: REVIEWED FORCONSTRUCTABILITYAND RECOMMENDEDFOR CONSTRUCTION:PR O J E C T N O . P 0 1 1 6 3 5 2 : C R I S T O R E Y H I G H S C H O O L ; 3 6 0 1 & 3 6 1 1 S H A R B O R B L V D . G R A D I N G P L A N CALL BEFORE YOU DIG Know what's below.before you dig.Call R JACOB VANDERVISDESCRIPTION GP# 50101563 03/2026 A p r 0 2 , 2 0 2 6 - 1 0 : 0 9 a m b y P J m a e v K : \ D r a w i n g s \ S P \ S P 9 1 3 7 - C r i s t o R e y O r a n g e C o u n t y H i g h S c h o o l \ E N G \ C o n s t r u c t i o n D r a w i n g s \ P r e c i s e G r a d i n g P l a n s \ 7 & 8 - S T O R M D R A I N P L A N . d w g REGISTERED PROFESSIONAL ENGINEER JACOB VANDERVIS No. C46301 CIVILTSTEOFCALIFORNIAA EXP. 12-31-26 STORM DRAIN PLAN 9 CONSTRUCTION NOTES: INSTALL 4" PVC SCH 80, INCLUDING ALL BENDS AND FITTINGS. TRENCHING PER CITYOF SANTA ANA STD. PLAN 1150 ON SHEET 10. INSTALL 6" PVC SCH 80, INCLUDING ALL BENDS AND FITTINGS. TRENCHING PER CITY OF SANTA ANA STD. PLAN 1150 ON SHEET 10. INSTALL 8" PVC SCH 80, INCLUDING ALL BENDS AND FITTINGS. TRENCHING PER CITYOF SANTA ANA STD. PLAN 1150 ON SHEET 10. CONSTRUCT 4"X28" CURB-O-LET RECTANGULAR CHANNEL (PRODUCT MODEL CP-SP428H) PER MANUFACTURERS RECOMMENDATIONS AND DETAIL ON SHEET 11 (BACKFILL CHANNEL WITH 4,000 PSI CONCRETE). INSTALL 8'X8' MODULAR WETLANDS SYSTEM PER MANUFACTURER SPECIFICATIONS AND DETAILS ON SHEET 11. CONTRACTOR TO PLANT LINDHEIMER'S MUHLYGRASS, BLUE MUHLYGRASS FOR MWS AND CONNECT 1" IRRIGATION PORT TO EXISTING SITE IRRIGATION SYSTEM. CONTRACTOR TO REROUTE EXISTING LIGHTING CONDUIT AROUND PROPOSED WETLANDS UNIT. INSTALL 3"X8" RECTANGULAR PIPE CURB-O-LET PER DETAIL ON SHEET 10. INSTALL 3"X17" RECTANGULAR PIPE CURB-O-LET OR APPROVED EQUAL PER DETAIL ON SHEET 10. CONSTRUCT CURB DRAIN PER DETAIL ON SHEET 10. CONNECT TO EXISTING ROOF DRAIN. CONTRACTOR TO VERIFY LOCATION AND ELEVATION. CONNECT TO PROPOSED ROOF DRAIN DOWNSPOUT. SEE PLUMBING PLANS FOR CONTINUATION. CONNECT TO EXISTING CATCH BASIN PER SPPWC 335 (CASE 1). CONTRACTOR TOVERIFY EXISTING ELEVATION AND NOTIFY ENGINEER OF ANY DISCREPANCIES. PAINT STORM DRAIN INLET MARKING PER DETAIL ON SHEET 10. CONSTRUCT 3"X17" CURB-O-LET RECTANGULAR CHANNEL (PRODUCT MODEL CP-SP428H) PER MANUFACTURERS RECOMMENDATIONS AND DETAILS 34 & 43 ON SHEET 10 & 11 (UNDER SIDEWALK) INSTALL FLOGARD CATCH BASIN INSERT FILTER (MODEL NO. FGP-10.0CI) INTOEXISTING CATCH BASIN. SEE SHEET 11 FOR DETAILS. 31 32 33 34 35 36 37 38 39 40 41 42 43 44 SCALE: 1" = 30' 60'30'0 N DETAIL "A" 1"=5' N PROPERTY LINE (⅊) AND/OR RIGHT-OF-WAY (R/W) CENTER LINE PROPOSED STORM DRAIN LINE (30" AND LARGER) PROPOSED STORM DRAIN LINE (SMALLER THAN 30") EXISTING STORM DRAIN LINE (30" AND LARGER) EXISTING STORM DRAIN LINE (SMALLER THAN 30") EXISTING SANITARY SEWER LINE EXISTING WATER MAIN EXISTING ELECTRICAL LINE EXISTING NATURAL GAS LINE EXISTING TELECOMMUNICATION LINE EXISTING STREET LIGHT EXISTING EASEMENT KEYNOTE (REFER TO HORIZONTAL CONTROL PLAN ON SHEET 4) LEGEND: X Behrooz Sarlak 4/9/2026 UNAUTHORIZED CHANGES & USES: THE ENGINEER PREPARING THESE PLANS WILL NOT BE RESPONSIBLE FOR, OR LIABLE FOR, UNAUTHORIZED CHANGES TO OR USES OF THESE PLANS. ALL CHANGES TO THE PLANS MUST BE IN WRITING AND MUST BE APPROVED BY THE PREPARER OF THESE PLANS. CONSTRUCTION CONTRACTOR AGREES THAT IN ACCORDANCE WITH GENERALLY ACCEPTED CONSTRUCTION PRACTICES, CONSTRUCTION CONTRACTOR WILL BE REQUIRED TO ASSUME SOLE AND COMPLETE RESPONSIBILITY FOR JOB SITE CONDITIONS DURING THE COURSE OF CONSTRUCTION OF THE PROJECT, INCLUDING SAFETY OF ALL PERSONS AND PROPERTY, THAT THIS REQUIREMENT SHALL BE MADE TO APPLY CONTINUOUSLY AND NOT BE LIMITED TO NORMAL WORKING HOURS, AND CONSTRUCTION CONTRACTOR FURTHER AGREES TO DEFEND, INDEMNIFY AND HOLD DESIGN PROFESSIONAL HARMLESS FROM ANY AND ALL LIABILITY, REAL OR ALLEGED, IN CONNECTION WITH THE PERFORMANCE OF WORK ON THIS PROJECT, EXCEPTING LIABILITY ARISING FROM THE SOLE NEGLIGENCE OF DESIGN PROFESSIONAL. ENGINEERS NOTE TO CONTRACTOR: THE EXISTENCE AND LOCATION OF ANY UNDERGROUND UTILITIES, PIPES, AND/OR STRUCTURES SHOWN ON THESE PLANS WERE OBTAINED BY A SEARCH OF AVAILABLE RECORDS. TO THE BEST OF OUR KNOWLEDGE, THERE ARE NO EXISTING UTILITIES EXCEPT AS SHOWN ON THESE PLANS. THE CONTRACTOR SHALL ASCERTAIN THE TRUE VERTICAL AND HORIZONTAL LOCATION OF THOSE UNDERGROUND UTILITIES TO BE USED AND SHALL BE RESPONSIBLE FOR ANY DAMAGE TO ANY PUBLIC OR PRIVATE UTILITIES, SHOWN OR NOT SHOWN HEREON. IF THE CONTRACTOR ENCOUNTERS ANY DISCREPANCIES, CONFLICTS OR AREAS WHICH HE FEELS UNWORKABLE, HE SHALL NOTIFY THE GRADING ENGINEER IMMEDIATELY PRIOR TO CONTINUING OR DEVIATING FROM THIS PLAN. FILE NO.: SH T - X X N N - N N N N N - R 0 0 . D G N PRECISE GRADING PLAN 3601, 3611 HARBOR BOULEVARD CITY OF SANTA ANAPUBLIC WORKS AGENCY REVISIONS REFERENCES NUMBER DATE INITIALS DESCRIPTION APPROVED INSTALLED CONSTRUCTION COMPLETED:SHEET OF 16 BENCHMARK NO.: 1F-177-10 (OCPW BM)ELEV.: 37.459' NAVD88 www.DigAlert.org TWO WORKING DAYSBEFORE YOU DIG Underground Service Alert NOTICE TO CONTRACTOR of Southern California PURSUANT TO ASSEMBLY BILL 4216 NO EXCAVATION PERMITIS VALID UNLESS THE CONTRACTOR CONTACTS AND OBTAINSA DIG ALERT TICKET NUMBER. CALL 811 AT LEAST TWOWORKING DAYS PRIOR TO COMMENCING EXCAVATION. DATE PREPARED UNDERTHE SUPERVISIONOF: REVIEWED FORCONSTRUCTABILITYAND RECOMMENDEDFOR CONSTRUCTION:PR O J E C T N O . P 0 1 1 6 3 5 2 : C R I S T O R E Y H I G H S C H O O L ; 3 6 0 1 & 3 6 1 1 S H A R B O R B L V D . G R A D I N G P L A N CALL BEFORE YOU DIG Know what's below.before you dig.Call R JACOB VANDERVISDESCRIPTION GP# 50101563 03/2026 A p r 0 2 , 2 0 2 6 - 7 : 2 2 a m b y P J m a e v K : \ D r a w i n g s \ S P \ S P 9 1 3 7 - C r i s t o R e y O r a n g e C o u n t y H i g h S c h o o l \ E N G \ C o n s t r u c t i o n D r a w i n g s \ P r e c i s e G r a d i n g P l a n s \ 7 & 8 - S T O R M D R A I N P L A N . d w g REGISTERED PROFESSIONAL ENGINEER JACOB VANDERVIS No. C46301 CIVILTSTEOFCALIFORNIAA EXP. 12-31-26 STORM DRAIN DETAILS 10 N.T.S. CURB DRAIN FOR 8" ROOF DRAIN A A SECTION A-A ROOF DRAIN PER PLUMBING PLANS REINFORCEMENT PERGEOTECHNICALRECOMMENDATIONS PROPOSED CURB CONTROL JOINT #3 @ 18" O.C2" CLEAR CORE DRILLTHROUGH CURB FACE 36" MIN 4" DIAMETER PIPE (MINIMUM SLOPE=0.005) 5' SEE PLUMBING PLANS BUILDING A A SECTION A-A ROOF DRAIN PER PLUMBING PLANS REINFORCEMENT PERGEOTECHNICALRECOMMENDATIONS CONTROL JOINT #3 @ 18" O.C2" CLEAR 36" MIN 3"X17" RECTANGULAR PIPE (MINIMUM SLOPE=0.005) 5' SEE PLUMBING PLANS BUILDING TRANSITION FROM ROOF DRAIN TO 3"X17"RECTANGULAR PIPE INV=1" ABOVE FS OR FL CONNECT TO 3"X17" CURB-O-LET PERMANUFACTURER RECOMMENDATIONS CURB-O-LET TCD312-NS 37 N.T.S. CURB DRAIN FOR 4" ROOF DRAIN38N.T.S. CURB DRAIN FOR 6" ROOF DRAIN A A SECTION A-A ROOF DRAIN PER PLUMBING PLANS REINFORCEMENT PERGEOTECHNICALRECOMMENDATIONS CONTROL JOINT #3 @ 18" O.C2" CLEAR 36" MIN 3"X8" RECTANGULAR PIPE (MINIMUM SLOPE=0.005) 5' SEE PLUMBING PLANS BUILDING TRANSITION FROM ROOF DRAIN TO 3"X8"RECTANGULAR PIPE INV=1" ABOVEFS OR FL CONNECT TO 3"X8" CURB-O-LET PERMANUFACTURER RECOMMENDATIONS CURB-O-LET TCD312-NS 36 NOTE: SEE PLAN FOR ROOF DRAIN SIZENOTE: SEE PLAN FOR ROOF DRAIN SIZE NOTE:ALL PIPESSHOULD BEBEDDED IN ASAND, GRAVELOR CRUSHEDAGGREGATEIMPORTEDMATERIALCOMPLYINGWITH THEREQUIREMENTSOF THESTANDARDSPECIFICATIONSFOR PUBLICWORKSCONSTRUCTIONSECTION306-1.2.1 INV=1" ABOVEFS OR FL NOTE: SEE PLAN FOR ROOF DRAIN SIZE A A REINFORCEMENT PER GEOTECHNICAL RECOMMENDATIONSPROPOSED SIDEWALK 3" X 17" RECTANGULAR CHANNELPER DETAIL 34 ON SHEET 11 N.T.S. 3" X 17" RECTANGLE CHANNEL UNDER SIDEWALK43 GUTTER FLOW SECTION A-A CONTROL JOINT #3 @ 18" O.C2" CLEAR 36" MIN 3" X 17" RECTANGULAR CHANNEL GUTTERFLOW Behrooz Sarlak 4/9/2026 GROUNDWATER WAS ENCOUNTERED INBORINGS CPT-1, CPT-2, CPT-3, AND B-1 AT DEPTHS OF 27', 30', 28' AND 25' RESPECTIVELY. UNAUTHORIZED CHANGES & USES: THE ENGINEER PREPARING THESE PLANS WILL NOT BE RESPONSIBLE FOR, OR LIABLE FOR, UNAUTHORIZED CHANGES TO OR USES OF THESE PLANS. ALL CHANGES TO THE PLANS MUST BE IN WRITING AND MUST BE APPROVED BY THE PREPARER OF THESE PLANS. CONSTRUCTION CONTRACTOR AGREES THAT IN ACCORDANCE WITH GENERALLY ACCEPTED CONSTRUCTION PRACTICES, CONSTRUCTION CONTRACTOR WILL BE REQUIRED TO ASSUME SOLE AND COMPLETE RESPONSIBILITY FOR JOB SITE CONDITIONS DURING THE COURSE OF CONSTRUCTION OF THE PROJECT, INCLUDING SAFETY OF ALL PERSONS AND PROPERTY, THAT THIS REQUIREMENT SHALL BE MADE TO APPLY CONTINUOUSLY AND NOT BE LIMITED TO NORMAL WORKING HOURS, AND CONSTRUCTION CONTRACTOR FURTHER AGREES TO DEFEND, INDEMNIFY AND HOLD DESIGN PROFESSIONAL HARMLESS FROM ANY AND ALL LIABILITY, REAL OR ALLEGED, IN CONNECTION WITH THE PERFORMANCE OF WORK ON THIS PROJECT, EXCEPTING LIABILITY ARISING FROM THE SOLE NEGLIGENCE OF DESIGN PROFESSIONAL. ENGINEERS NOTE TO CONTRACTOR: THE EXISTENCE AND LOCATION OF ANY UNDERGROUND UTILITIES, PIPES, AND/OR STRUCTURES SHOWN ON THESE PLANS WERE OBTAINED BY A SEARCH OF AVAILABLE RECORDS. TO THE BEST OF OUR KNOWLEDGE, THERE ARE NO EXISTING UTILITIES EXCEPT AS SHOWN ON THESE PLANS. THE CONTRACTOR SHALL ASCERTAIN THE TRUE VERTICAL AND HORIZONTAL LOCATION OF THOSE UNDERGROUND UTILITIES TO BE USED AND SHALL BE RESPONSIBLE FOR ANY DAMAGE TO ANY PUBLIC OR PRIVATE UTILITIES, SHOWN OR NOT SHOWN HEREON. IF THE CONTRACTOR ENCOUNTERS ANY DISCREPANCIES, CONFLICTS OR AREAS WHICH HE FEELS UNWORKABLE, HE SHALL NOTIFY THE GRADING ENGINEER IMMEDIATELY PRIOR TO CONTINUING OR DEVIATING FROM THIS PLAN. FILE NO.: SH T - X X N N - N N N N N - R 0 0 . D G N PRECISE GRADING PLAN 3601, 3611 HARBOR BOULEVARD CITY OF SANTA ANAPUBLIC WORKS AGENCY REVISIONS REFERENCES NUMBER DATE INITIALS DESCRIPTION APPROVED INSTALLED CONSTRUCTION COMPLETED:SHEET OF 16 BENCHMARK NO.: 1F-177-10 (OCPW BM)ELEV.: 37.459' NAVD88 www.DigAlert.org TWO WORKING DAYSBEFORE YOU DIG Underground Service Alert NOTICE TO CONTRACTOR of Southern California PURSUANT TO ASSEMBLY BILL 4216 NO EXCAVATION PERMITIS VALID UNLESS THE CONTRACTOR CONTACTS AND OBTAINSA DIG ALERT TICKET NUMBER. CALL 811 AT LEAST TWOWORKING DAYS PRIOR TO COMMENCING EXCAVATION. DATE PREPARED UNDERTHE SUPERVISIONOF: REVIEWED FORCONSTRUCTABILITYAND RECOMMENDEDFOR CONSTRUCTION:PR O J E C T N O . P 0 1 1 6 3 5 2 : C R I S T O R E Y H I G H S C H O O L ; 3 6 0 1 & 3 6 1 1 S H A R B O R B L V D . G R A D I N G P L A N CALL BEFORE YOU DIG Know what's below.before you dig.Call R JACOB VANDERVISDESCRIPTION GP# 50101563 03/2026 A p r 0 2 , 2 0 2 6 - 7 : 2 3 a m b y P J m a e v K : \ D r a w i n g s \ S P \ S P 9 1 3 7 - C r i s t o R e y O r a n g e C o u n t y H i g h S c h o o l \ E N G \ C o n s t r u c t i o n D r a w i n g s \ P r e c i s e G r a d i n g P l a n s \ 7 & 8 - S T O R M D R A I N P L A N . d w g REGISTERED PROFESSIONAL ENGINEER JACOB VANDERVIS No. C46301 CIVILTSTEOFCALIFORNIAA EXP. 12-31-26 STORM DRAIN DETAILS 11 N AN S TOOCEAN GNPMUDO RDS HT NOTE: 1.STORM DRAIN IS A PRIVATE SYSTEM. ALL STORM DRAIN INLETS (CATCH BASINS) THAT DISCHARGE INTO AN EXISTING OR PROPOSED STORM DRAIN SHALL BE MARKED (STENCILED) WITH THE ABOVE NOTATION TODISCOURAGE ILLEGAL DUMPING OF POLLUTANTS.2.PAINT SHALL BE 2 COATS PER SPPWC TRAFFIC PAINT SPECIFICATIONS. BLUE FEATURES ON A WHITE BACKGROUND MIN 2" LETTERING D=30"MIN. TYPICAL FISHOR DOLPHIN I I I STORM DRAIN INLET MARKING NTS42 N.T.S. MODULAR WETLANDS SYSTEM35 N.T.S. CURB-O-LET CHANNEL DETAIL34 N.T.S. CATCH BASIN INSERT FILTER44 Behrooz Sarlak 4/9/2026 12+65.61EX WATERSERVICE 12+63.41EX WATERSERVICE PB PB BOL GATE GATE BOLBOL MONSIGN BOL BOL HAND RAIL MONSIGN BOLBOL BOL BOLBOL BOL BOLBOL BOL TSPB TSPB BOL BOL BOL BOL BOL BOL HAND RAIL T PB S S S S BOL BOL BOLBOL BOL CAB GATE GATE END GATE BOL (LITE) BOL (LITE) SIGN SIGN T EXISTING BUILDING 3601 S HARBOR BLVD. FF=(±38.2) EXISTING BUILDING 3611 S HARBOR BLVD. FF=(±37.9) EXISTING BUILDING 3621 S HARBOR BLVD. FF=(±36.8) EXISTING BUILDING 3631 S HARBOR BLVD. D D D D S S S S 6' 25 ' 25 ' 15 ' 10' 10 ' 10 ' 6' 6' 6' 6' 6' 6' 6' 6' 20' 15' 10 ' 6' 15 ' 15 ' 5' 5' 15 ' 14' 37' 43' 56' 14' 37' 43' 56' 5' S EXISTING R/W EXISTING ⅊ EXISTING ⅊ EXISTING R/W PARCEL 2 EASEMENT POR. PARCEL 4 P.M. 198/1-3 PARCEL 3 FIRE PROTECTION EASEMENT DN 85-213151 OR & AMENDMENTS PARCEL 1, PM 245/31APN: 414-261-12 N/F D&S INVESTMENTS PARCEL 2, PM 245/31APN: 414-261-34 N/F SUNFLOWER ART LLC PARCEL 3TELEPHONEEASEMENTDN 85-213151 OR& AMENDMENTS PARCEL 1, PM 292/7-10 APN: 414-261-32 N/F CODAN US CORPORATION PARCEL 2EASEMENTPOR. PARCEL 1 P.M. 198/1-3 PARCEL 3 FIRE PROTECTION EASEMENT DN 85-213151 OR & AMENDMENTS PARCEL 3 STORM DRAIN EASEMENT DN 85-213151 OR & AMENDMENTS PARCEL 2, PM 292/7-10 APN: 414-261-33 N/F CODAN US CORPORATION LOT 13, PM 252/2-3 PARCEL 2 EASEMENT POR. PARCEL 2 P.M. 198/1-3 LOT 7, PM 252/2-3 LOT 17, PM 252/2-3APN: 414-261-31 N/F LAKE CENTER BUSINESS HOMEOWNERS ASSOCIATION LOT 1, PM 252/2-3 EXISTING 6" GAS EXISTING 12" CL WATER LINE EXISTING 12" VCPSANITARY SEWER LINE EXISTING 48" RCPSTORM DRAIN LINE EXISTING 48" RCP STORM DRAIN LINE EXISTING 30" RCPSTORM DRAIN LINE EXISTING 12" VCP SANITARY SEWER LINE EXISTING 6" GAS EXISTING 12" CL WATER LINE ℄ ℄ EXISTING 10" VCPSANITARY SEWER LINE EXISTING 10" ACP, CLASS 150 (PRIVATE) FIRE WATER MAIN EXISTING 10" ACP, CLASS 150 (PRIVATE) FIRE WATER MAIN EXISTING 2" DOMESTICWATER POC EXISTING WATER VAULT EXISTING FIRESPRINKLER VALVE EXISTING 8" SANITARY SEWER POC (35.20 RIM) (30.93 INV) EXISTING 8" VCPSANITARY SEWER LATERAL EXISTING 8" VCP SANITARY SEWER LATERAL EXISTING 8" SANITARY SEWER POC (35.63 RIM) (30.50 INV) EXISTING WATER VAULT EXISTING 8" ACP WATER LINE EXISTING 8" VCP SANITARY SEWER LINE EXISTING 8" ACP WATER LINE EXISTING 10" ACP, CLASS 150 (PRIVATE) FIRE WATER MAIN EXISTING 8" VCPSANITARY SEWER LINE (S=0.9%) EXISTING 6" VCP SANITARY SEWER POC EXISTING PIV TO BE REMOVED EXISTING FIRE WATER POC TO BE REMOVED EXISTING 8" VCPSANITARY SEWER POC **EXISTING 10" ACP, CLASS 150 (PRIVATE) FIRE WATER MAIN EXISTING 10" ACP, CLASS 150 (PRIVATE) FIRE WATER MAIN EXISTING 2" DOMESTICWATER METER FOR 3621 SHARBOR BLVD BUILDING (METER #99146103) EXISTING 2" DOMESTICWATER METER FOR 3631 SHARBOR BLVD BUILDING (METER #99146102) EXISTING 2" DOMESTIC WATER POC EXISTING 2" DOMESTIC WATER LINE EXISTING 2" DOMESTIC WATER LINE EXISTING 2" DOMESTICWATER LINE EXISTING 2" DOMESTIC WATER LINE EXISTING 8" VCPSANITARY SEWER LINE (S=2.6%) EXISTING 2"DOMESTICWATER LINE EXISTING FDC & PIV EXISTING FIRE SYSTEM SIGN: OS&Y'S & FDC SERVES 3601-3611-3621-3631 S HARBOR BLVD. 3501-3511-3601 W SUNFLOWER AVE. LOOPED SYSTEM 2ND FDC AT SOUTH ENTRANCE OF SUNFLOWER AVE. EXISTINGFIRE HYDRANT EXISTING FIRE HYDRANT EXISTING FIRE HYDRANT EXISTING 8" VCP SANITARY SEWER LINE (S=1.5%) EX. SS CLEANOUT (35.99 RIM) (26.7± INV) EX. SS CLEANOUT (36.46 RIM) (27.66 INV) EX. SS CLEANOUT (36.84 RIM) (28.47 INV) 36.98 RIM (29.38 INV) ADJUST TO GRADE EX. SS CLEANOUT (36.97 RIM) (31.97 INV)EX. SS CLEANOUT (38.29 RIM) (33.59 INV) (24.72 INV) (25.62 INV) (30.05 INV) (30.52 INV) EX. SS CLEANOUT (34.65 RIM) (29.54 INV) EXISTINGFIRE HYDRANT EXISTING PIV 51 5352 51 54 55 55 71 72 81 56 56 S H A R B O R B L V D (P U B L I C ) PR I V A T E D R I V E PRIVATE D R I V E S 89°40'46" E 666.94' L: 3 9 . 2 5 ' R: 2 5 . 0 0 ' Δ=8 9 ° 5 6 ' 4 1 " S 0 ° 2 2 ' 3 3 " W 4 8 8 . 0 1 ' S 89°37'27" E 84.42'L:139.72' R:400.00' Δ=20°00'46" N 69°36 ' 4 1 " W 3 5 8 . 4 2 ' L:6 8 . 4 7 ' R:2 0 0 . 0 0 ' Δ=19 ° 3 6 ' 5 5 " S 39 ° 2 9 ' 3 1 " W 5 3 . 2 4 ' L:2 0 5 . 1 0 ' R:3 0 0 . 0 0 ' Δ=3 9 ° 1 0 ' 1 7 " S 0 ° 1 9 ' 1 4 " W 3 7 0 . 1 9 ' 30 ' 60'60' 120' 30 ' 30 ' 30 ' 60 ' 49.6' 21 . 4 ' 21 . 5 ' 35.65 RIM (26.2± INV) 31.56 INV 31.36 INV 30.80 INV L=81'S=1.8% L=120'S=0.9%62 63 63 63 63 61 82 10+00 11+00 12+00 13+00 14+00 15+00 16+00 17+00 18+00 W LAKE CENTER DR (PUBLIC) CE N T E R L I N E I N T E R S E C T I O N 10 + 0 0 . 0 0 C E N T E R L A K E D R I V E 14+00.35EX WATERSERVICE 13+20.38EX WATERSERVICE L=23'S=1.8%61 L=11'S=1.8%61 L=33'S=1.8%61 EXISTING 6" SANITARY SEWER TOBE REMOVED AND REPLACED PERSEPARATE STREET IMPROVEMENTPLANS PO#116501. PROPOSED CLEAN-OUT PER SEPARATE STREET IMPROVEMENT PLANSPO#116501.RIM=34.13, INV=25.08 EXISTING 8" VCPSANITARY SEWER LINE (S=1.5%) 37.55 RIM 37.77 RIM 37.72 RIM BMF=34.7EX. SS TOP=33.6 BMF=34.7EX. SS TOP=32.9 EXISTING FIRE HYDRANT 85 84 86 EXISTING 6" FIREWATER LINE (PROTECT) 6 75 11 75 9 9 9 10 10 10 10 10 6 6 5 7 75 9 911 PROPOSED STORM DRAIN LINEREFER TO STORM DRAINPLAN ON SHEET 9 PROPOSED MODULAR WETLANDS SYSTEM. REFER TO STORM DRAIN PLAN ON SHEET 9 FOR MORE INFORMATION 10 83 EXISTING 8" VCPSANITARY SEWER LINE WATER SERVICE ABANDONMENT. SEE SEPARATE PUBLIC IMPROVEMENTS PLANS P0#116501 54 73 5'CLEAR A N C E EXISTING TREE UNAUTHORIZED CHANGES & USES: THE ENGINEER PREPARING THESE PLANS WILL NOT BE RESPONSIBLE FOR, OR LIABLE FOR, UNAUTHORIZED CHANGES TO OR USES OF THESE PLANS. ALL CHANGES TO THE PLANS MUST BE IN WRITING AND MUST BE APPROVED BY THE PREPARER OF THESE PLANS. CONSTRUCTION CONTRACTOR AGREES THAT IN ACCORDANCE WITH GENERALLY ACCEPTED CONSTRUCTION PRACTICES, CONSTRUCTION CONTRACTOR WILL BE REQUIRED TO ASSUME SOLE AND COMPLETE RESPONSIBILITY FOR JOB SITE CONDITIONS DURING THE COURSE OF CONSTRUCTION OF THE PROJECT, INCLUDING SAFETY OF ALL PERSONS AND PROPERTY, THAT THIS REQUIREMENT SHALL BE MADE TO APPLY CONTINUOUSLY AND NOT BE LIMITED TO NORMAL WORKING HOURS, AND CONSTRUCTION CONTRACTOR FURTHER AGREES TO DEFEND, INDEMNIFY AND HOLD DESIGN PROFESSIONAL HARMLESS FROM ANY AND ALL LIABILITY, REAL OR ALLEGED, IN CONNECTION WITH THE PERFORMANCE OF WORK ON THIS PROJECT, EXCEPTING LIABILITY ARISING FROM THE SOLE NEGLIGENCE OF DESIGN PROFESSIONAL. ENGINEERS NOTE TO CONTRACTOR: THE EXISTENCE AND LOCATION OF ANY UNDERGROUND UTILITIES, PIPES, AND/OR STRUCTURES SHOWN ON THESE PLANS WERE OBTAINED BY A SEARCH OF AVAILABLE RECORDS. TO THE BEST OF OUR KNOWLEDGE, THERE ARE NO EXISTING UTILITIES EXCEPT AS SHOWN ON THESE PLANS. THE CONTRACTOR SHALL ASCERTAIN THE TRUE VERTICAL AND HORIZONTAL LOCATION OF THOSE UNDERGROUND UTILITIES TO BE USED AND SHALL BE RESPONSIBLE FOR ANY DAMAGE TO ANY PUBLIC OR PRIVATE UTILITIES, SHOWN OR NOT SHOWN HEREON. IF THE CONTRACTOR ENCOUNTERS ANY DISCREPANCIES, CONFLICTS OR AREAS WHICH HE FEELS UNWORKABLE, HE SHALL NOTIFY THE GRADING ENGINEER IMMEDIATELY PRIOR TO CONTINUING OR DEVIATING FROM THIS PLAN. FILE NO.: SH T - X X N N - N N N N N - R 0 0 . D G N PRECISE GRADING PLAN 3601, 3611 HARBOR BOULEVARD CITY OF SANTA ANAPUBLIC WORKS AGENCY REVISIONS REFERENCES NUMBER DATE INITIALS DESCRIPTION APPROVED INSTALLED CONSTRUCTION COMPLETED:SHEET OF 16 BENCHMARK NO.: 1F-177-10 (OCPW BM)ELEV.: 37.459' NAVD88 www.DigAlert.org TWO WORKING DAYSBEFORE YOU DIG Underground Service Alert NOTICE TO CONTRACTOR of Southern California PURSUANT TO ASSEMBLY BILL 4216 NO EXCAVATION PERMITIS VALID UNLESS THE CONTRACTOR CONTACTS AND OBTAINSA DIG ALERT TICKET NUMBER. CALL 811 AT LEAST TWOWORKING DAYS PRIOR TO COMMENCING EXCAVATION. DATE PREPARED UNDERTHE SUPERVISIONOF: REVIEWED FORCONSTRUCTABILITYAND RECOMMENDEDFOR CONSTRUCTION:PR O J E C T N O . P 0 1 1 6 3 5 2 : C R I S T O R E Y H I G H S C H O O L ; 3 6 0 1 & 3 6 1 1 S H A R B O R B L V D . G R A D I N G P L A N CALL BEFORE YOU DIG Know what's below.before you dig.Call R JACOB VANDERVISDESCRIPTION GP# 50101563 03/2026 A p r 0 3 , 2 0 2 6 - 6 : 2 1 a m b y P J m a e v K : \ D r a w i n g s \ S P \ S P 9 1 3 7 - C r i s t o R e y O r a n g e C o u n t y H i g h S c h o o l \ E N G \ C o n s t r u c t i o n D r a w i n g s \ P r e c i s e G r a d i n g P l a n s \ 9 - U T I L I T Y P L A N . d w g REGISTERED PROFESSIONAL ENGINEER JACOB VANDERVIS No. C46301 CIVILTSTEOFCALIFORNIAA EXP. 12-31-26 UTILITY PLAN 12 SCALE: 1" = 30' 60'30'0 N PROPERTY LINE (⅊) AND/OR RIGHT-OF-WAY (R/W) CENTER LINE EXISTING EASEMENT EXISTING STORM DRAIN LINE (30" AND LARGER) EXISTING STORM DRAIN LINE (SMALLER THAN 30") EXISTING SANITARY SEWER LINE EXISTING DOMESTIC WATER LINE EXISTING FIRE WATER LINE EXISTING ELECTRICAL LINE EXISTING NATURAL GAS LINE EXISTING TELECOMMUNICATION LINE PROPOSED STORM DRAIN LINE PROPOSED FIRE WATER LINE PROPOSED IRRIGATION LINE PROPOSED STORM DRAIN BMP'S (DETENTION/MWS) BOTTOM OF PROPOSED MAT FOUNDATION TOP OF PIPE EXISTING EASEMENT KEYNOTE (REFER TO HORIZONTAL CONTROL PLAN ON SHEET 4) LEGEND: GENERAL UTILITY NOTES: 1.CONTRACTOR TO USE TEMPORARY SHORING FOR EXCAVATIONS GREATER THAN 5' IN DEPTH PER GEOTECHNICAL REPORT. 2.APPROXIMATE LOCATION OF EXISTING UTILITIES - GENERAL CONTRACTOR TO POTHOLE TO VERIFY EXACT DEPTH AND LOCATION.GENERAL CONTRACTOR TO NOTIFY ENGINEER OF RECORD OF ANY DISCREPANCIES PRIOR TO CONSTRUCTION. DOMESTIC WATER CONSTRUCTION NOTES:QUANTITIES INSTALL 2" RPPD DOMESTIC WATER BACKFLOW PREVENTER PER CITY OF SANTA ANA STD. 1432. INSTALL LOCKABLE ENCLOSURE AND CONSTRUCT CONCRETE PAD FOR BACKFLOW PREVENTOR. 2 EA CONNECT TO EXISTING 2" DOMESTIC WATER METER SERVICE FOR 3601 S HARBOR BLVD BUILDING (METER #98823324) 1 EA CONNECT TO EXISTING 2" DOMESTIC WATER METER SERVICE FOR 3611 S HARBOR BLVD BUILDING (METER #98823060) 1 EA REMOVE EXISTING ABANDONDED 2" DOMESTIC WATER SERVICE AND METER BOX PER CITY OFSANTA ANA STD. 1430 AND SEPARATE STREET IMPROVEMENT PLANS P0116501. 1 EA EXISTING DOMESTIC WATER POINT OF CONNECTION. REFER TO SEPARATE PLUMBLING PLANS.2 EA EXISTING VAULT TO BE PROTECTED IN PLACE AND ADJUSTED TO GRADE (IF NEEDED) PER GRADING PLANS ON SHEET 4. REMOVE AND REPLACE PRESSURE REGULATOR STATION PER SEPARATE PLUMBING PLANS. 2 EA 51 52 53 54 55 56 IRRIGATION WATER CONSTRUCTION NOTES: EXISTING 2" IRRIGATION BACKFLOW PREVENTOR TO BE REMOVED. CONTRACTOR TO INSTALLNEW IRRIGATION LINE TO RECONNECT TO THE EXISTING IRRIGATION SYSTEM. EXISTING 2" WATER METER FOR 3601 S HARBOR BLVD (METER #98823084) INSTALL 2" RPPD IRRIGATION WATER BACKFLOW PREVENTOR PER CITY OF SANTA ANA STD. 1432. INSTALL LOCKABLE ENCLOSURE AND CONSTRUCT CONCRETE PAD FOR BACKFLOW PREVENTOR. CONTRACTOR TO FIELD VERIFY LOCATION OF EXISTING IRRIGATION LINE AND NOTIFY ENGINEER OF ANY DISCREPANCIES. 71 72 73 FIRE WATER CONSTRUCTION NOTES:QUANTITIES REMOVE EXISTING 10" DOUBLE CHECK VALVE ASSEMBLY PER SEPARATE OCFA UNDERGROUNDFIRE PROTECTION PLAN. 1 EA INSTALL 10" DOUBLE CHECK DETECTOR ASSEMBLY BACKFLOW PREVENTION DEVICE FOR FIRE PURPOSES PER CITY OF SANTA STD. 1433B PER SEPARATE OCFA UNDERGROUND FIRE PROTECTION PLAN. 1 EA CONNECT TO EXISTING FIRE AND INSTALL POST INDICATOR VALVE (PIV) PER SEPARATE OCFA UNDERGROUND FIRE PROTECTION PLAN. 1 EA REMOVE EX. FIREWATER LINE AND INSTALL 6" PVC C900, DR14 FIREWATER LINE (INCLUDING ALL BENDS, TEES, FITTINGS, TRENCHING, THRUST BLOCKS & BEDDING) PER SEPARATE OCFA UNDERGROUND FIRE PROTECTION PLAN. (36" MINIMUM COVER) 31 LF REMOVE EXISTING POST INDICATOR VALVE (PIV), FIREWATER RISER, AND FIREWATER SERVICELINE PER SEPARATE OCFA UNDERGROUND FIRE PROTECTION PLAN. 1 EA INSTALL FIREWATER RISER PER SEPARATE OCFA UNDERGROUND FIRE PROTECTION PLAN.1 EA 81 82 83 84 85 86 SANITARY SEWER CONSTRUCTION NOTES:QUANTITIES INSTALL 6" VCP SEWER MAIN, SLOPE PER PLAN. TRENCHING & BEDDING PER CITY OF SANTAANA STD. 1150. 150 LF INSTALL 8" VCP SEWER MAIN, SLOPE PER PLAN. TRENCHING & BEDDING, AND PAVEMENT RESTORATION PER CITY OF SANTA ANA STD. 1150. 135 LF INSTALL SANITARY SEWER CLEANOUT PER DETAIL HEREON.4 EA 61 62 63 EXISTING FIRE HYDRANT EXISTING WATER METER EXISTING BACKFLOW PREVENTER EXISTING VALVE EXISTING STREET LIGHT EXISTING SEWER CLEANOUT EXISTING PIV EXISTING FDC PROPOSED FIRE HYDRANT PROPOSED FIRE RISER PROPOSED FDC PROPOSED PIV PROPOSED BACKFLOW PREVENTER PROPOSED SEWER CLEANOUT AC PAVEMENT RESTORATION PCC PAVEMENT RESTORATION X BMF TOP ADJUSTABLE HEAD DIRECTION OF FLOW 1" IN GRASSY AREA0" IN PAVED AREA 10 " (M I N . ) 12"12"NOTE: SEE APPLICABLE DETAILFOR BACKFILL AND BEDDINGINSTRUCTIONS. CRUSHED STONE PER LOCAL CODE WYE SEE PLAN FOR PIPE SIZE, TYPE, AND ELEVATION PLUG WYE IF SERVICELATERAL DOES NOT CONTINUE THREADED PVC CLEANOUT PLUG GRADE SURFACE AWAY FROMCLEAN OUT HEAVY DUTY FRAME AND COVER W/LETTERS "C.O." CAST IN COVER 4" MIN. 2500 PSI P.C. CONCRETE COLLAR SIZE OF RISER PIPE PER LOCAL CODE 45° BEND SEWER CLEANOUT NOT TO SCALE Behrooz Sarlak 4/9/2026 · · · 1'-4" VA R I E S 2 ' - 0 " M A X . VA R I E S 6" M I N . 18 " M A X R E T A I N I N G 12 " M I N . 4" 12" 1 2 3 2 1 3 4 4 5 1 5 UNAUTHORIZED CHANGES & USES:ENGINEERS NOTE TO CONTRACTOR: PUBLIC WORKS AGENCY REVISIONS REFERENCES Underground Service Alert of Southern California Know what's below.before you dig.Call R CONSTRUCTION DETAILS PLANTER/CONCRETE VE R I F Y P E R PL A N *5 ' - 0 " RE Q U I R E D @ OU T S W I N G I N G DO O R L A N D I N G 8.33% MAX. RAMP DOWN 8.33% MAX. RAMP DOWN 8. 3 3 % M A X . RA M P DO W N 8.33% MAX.SIDEWALK PLANTER/CONCRETE RAMP DOWN DETECTABLE WARNING SURFACE- SET FLUSH WITH GROOVING AND LANDING AT BOTTOM OF RAMP ACCESSIBLE PATH STRIPING LANDING - 2% MAX SLOPE IN ANY DIRECTION DETECTABLE WARNING SURFACE - SET 6" MIN., 8" MAX. FROM CURB FACE PLANTER OR CONCRETE ACCESSIBLE PATH STRIPING ≥ ≥ SECTION A-A PLAN VIEW 2' WIDE CURB OPENING ACCESSIBLE SIGNAGE & STRIPING MODIFIED CURB RAMPS 8.33% MAX. RAMP DOWN DETECTABLE WARNING SURFACE- SET FLUSH WITH GROOVING AND LANDING AT BOTTOM OF RAMP SIDEWALK ACCESSIBLE PATH STRIPING CONCRETE TRANSITION TO MATCH CURB - 2% SLOPE MAX - FLUSH WITH DETECTABLE WARNING CONCRETE TRANSITION TO MATCH CURB - 2% SLOPE MAX - FLUSH WITH DETECTABLE WARNING 3' WIDE CONCRETE "V" GUTTER ASPHALT SECTION DETAIL 4' WIDE CONCRETE "V" GUTTER 4" CONCRETE SIDEWALK DETECTABLE WARNING SURFACE PRECAST CONCRETE WHEELSTOP RAMP RAILING DETAIL CURB AND 18" U GUTTER 4'-6" WIDE - 6" CURB & GUTTER VARIABLE DEPTH GRIND & OVERLAY CONCRETE BENCH CASE C CASE F CASE CM CASE CH CONCRETE TRANSITION TO MATCH CURB - 2% SLOPE MAX - FLUSH WITH DETECTABLE WARNING SYNTHETIC TURF OVER ASPHALT 6" TO 0" CURB TRANSITION Behrooz Sarlak 4/9/2026 UNAUTHORIZED CHANGES & USES:ENGINEERS NOTE TO CONTRACTOR: PUBLIC WORKS AGENCY REVISIONS REFERENCES Underground Service Alert of Southern California Know what's below.before you dig.Call R STANDARD DETAILS Behrooz Sarlak 4/9/2026 HA R B O R B L V D . T 12" TREE 20" TREE 30" PINE 30" PINE 10" TREE 12" TREE 22" TREE 14" TREE 12" TREE 12" TREE 12" TREE 8" TREE 20" TREE 30" TREE 20" TREE 16" TREE 16" TREE 8" TREE 8" TREE 510" TREE 5" TREE 6" TREE 14" TREE 16" TREE 10" TREE 28" TREE 30" TREE 28" TREE 28" TREE 30" TREE 6" TREE 16" TREE 1012" TREE 12" TREE 10" TREE 8" TREE 5" TREE 6" TREE 12" TREE 12" TREE 10" TREE 10" TREE 12" TREE 12" TREE 10" TREE 8" TREE 9" TREE 12" TREE 12" TREE 12" TREE 8" TREE 8" TREE 9" TREE 9" TREE 10" TREE 12" TREE 20" TREE 24" TREE 26" PINE 24" PINE 30" PINE 16" TREE 34" PALM26" PALM 16" TREE 28" PALM 36" TREE16" TREE12" TREE10" TREE " TREE" PALM " PALM " TREE " TREE " PALM " TREE " PALM " TREE " TREE " TREE " PALM " TREE " TREE " TREE " PALM " PALM " PALM " PALM " PALM " TREE " TREE " TREE" TREE" TREE" TREE" TREE" TREE " PALM " PALM " PALM" TREE " TREE " TREE " TREE " TREE " TREE 24" PALM 24" PALM 10" TREE 6" TREE 10" TREE 10" TREE10" TREE10" TREE10" TREE10" TREE" PALM 6" TREE 8" TREE 8" TREE 10" TREE 8" TREE 6" TREE 8" TREE 6" TREE 10" TREE 6" TREE 812" TREE 8" TREE 6" TREE 8" TREE 10" TREE 10" TREE810" TREE 810" TREE 812" TREE 10" TREE610" TREE 12" TREE 8" TREE 8" TREE 30" PALM 8" TREE 30" PALM 10" TREE 12" TREE 8" TREE 12" TREE 14" TREE EXISTING BUILDING 3631 S HARBOR BLVD. FF=(±) EXISTING BUILDING 3601 S HARBOR BLVD. FF=(±38.2) EXISTING BUILDING 3611 S HARBOR BLVD. FF=(±37.9) EXISTING BUILDING 3621 S HARBOR BLVD. FF=(±36.8) ST A G I N G A R E A S H A R B O R B L V D W LAKE CENTER DR (P U B L I C ) (PUBLIC) PR I V A T E D R I V E PRIVATE D R I V E Δ Δ Δ Δ SD-D D-1 SD-A UNAUTHORIZED CHANGES & USES:ENGINEERS NOTE TO CONTRACTOR: PUBLIC WORKS AGENCY REVISIONS REFERENCES Underground Service Alert of Southern California Know what's below.before you dig.Call R EROSION CONTROL PLAN N STORMWATER BEST MANAGEMENT PRACTICE CASQA CONSTRUCTION HANDBOOK: LEGEND TYPICAL GRAVEL BAG LAYOUT STABILIZED CONSTRUCTION ENTRANCE DETAIL CONCRETE WASHOUT INET PROTECTION SWPPP VISUAL MONITORING LOCATIONS: Behrooz Sarlak 4/9/2026 0.00 AC D CD 4 CD 4 PB PB VLT BOL GATE GATE BOLBOL CD 0.8X0.5 CD 4 BOL BOL CD 4CD 4 CD 4CD 4 HAND RAIL BOLBOL BOL BOLBOL BOL BOLBOL BOL TSPB TSPB CD 4 CD 4CD 4 CD 4 BOL BOL BOL BOL BOL BOL HAND RAIL CD 4 CD 4 CD 5CD 5 CD 5CD 5CD 5CD 5CD 5CD 5 T PB D D S 34.0 1 RIM S 32.6 6 RIM S S BOL BOL BOLBOL BOL CAB GATE GATE END GATE BOL (LITE) BOL (LITE) T D D D D HA R B O R B L V D . (36) (36) (35) (35) (35 ) (36) (37) (38) (39) (3 5 ) (35 ) (3 5 ) (3 5 ) (3 6 ) (3 6 ) (34) (34) (35) (34 ) (36) (3 5 ) (3 5 ) (3 3 ) (3 3 ) (3 4 ) (3 4 ) (3 6 ) (3 7 ) (3 7 ) (3 7 ) (37 ) (3 5 ) (3 4 ) (3 6 ) (3 7 ) (3 6 ) (3 7 ) (3 8 ) (3 9 ) (3 5 ) (34 ) (36) (36 ) (3 6 ) (3 6 ) (3 6 ) (3 7 ) (3 7 ) (37) (3 5 ) (3 5 ) (36) (3 6 ) (3 7 ) (37) (36) (36) (35)(34) (36) WV WV WV (35) (35) (36) S PARCEL 1, PM 245/31APN: 414-261-12 N/F D&S INVESTMENTS LOT 7, PM 252/2-3 PARCEL 2, PM 245/31 APN: 414-261-34 N/F SUNFLOWER ART LLC PARCEL 1, PM 292/7-10 APN: 414-261-32 N/F CODAN US CORPORATION LOT 17, PM 252/2-3 N/F LAKE CENTER BUSINESS HOMEOWNERS ASSN LOT 13, PM 252/2-3 LOT 1, PM 252/2-3 EXISTING STORMDRAIN CB &MANHOLE (34.84RIM) (26.42INV) EXISTING STORMDRAIN CB &MANHOLE (34.82RIM) (29.99INV) EXISTING 36" RCPSTORM DRAIN LINE EXISTING 36" RCPSTORM DRAIN LINE EXISTING R/W EXISTING ⅊ EXISTING ⅊ EXISTING R/W ℄ ℄ 6' 25 ' 25 ' 15 ' 10' 10 ' 10 ' 6' 6' 6' 6' 6' 6' 6' 6' 20' 15' 10 ' 6' 15 ' (35) (40) (34)(34)(34) (36)(37)(38)(39) S H A R B O R B L V D W LAKE CENTER DR (P U B L I C ) (PUBLIC) PR I V A T E D R I V E PRIVATE D R I V E S 89°40'46" E 666.94' L: 3 9 . 2 5 ' R: 2 5 . 0 0 ' Δ=8 9 ° 5 6 ' 4 1 " S 0 ° 2 2 ' 3 3 " W 4 8 8 . 0 1 ' S 89°37'27" E 84.42'L:139.72' R:400.00' Δ=20°00'46" N 69°36 ' 4 1 " W 3 5 8 . 4 2 ' L:6 8 . 4 7 ' R:2 0 0 . 0 0 ' Δ=19 ° 3 6 ' 5 5 " S 39 ° 2 9 ' 3 1 " W 5 3 . 2 4 ' L:2 0 5 . 1 0 ' R:3 0 0 . 0 0 ' Δ=3 9 ° 1 0 ' 1 7 " S 0 ° 1 9 ' 1 4 " W 3 7 0 . 1 9 ' 30 ' 60'60' 120' 30 ' 30 ' 30 ' 60 ' 49.6' 21 . 4 ' 21 . 5 ' A-9 0.003 AC 0.01 AC A-2 0.02 AC A-3 0.01 AC A-8 0.06 AC A-1 0.03 AC A-5 0.01 AC A-7 0.95 AC A-6 0.03 AC A-10 A-2 0.006 AC A-4 0.01 AC 1 1.84 AC PARCEL 1, PM 245/31APN: 414-261-12 N/F D&S INVESTMENTS (TYP.) (TYP.) S-1 S-1 S-3 S-4 S-4 BIO-7 EXISTING BUILDING 3601 S HARBOR BLVD. FF=(±38.2) EXISTING BUILDING 3611 S HARBOR BLVD. FF=(±37.9) EXISTING BUILDING 3621 S HARBOR BLVD. FF=(±36.8) EXISTING BUILDING 3631 S HARBOR BLVD. OUTLET B (EXISTING PRIVATE STORMDRAIN. DRAINS TO PUBLIC STORM DRAIN ON SUNFLOWER AVE SOUTHEAST OF THE SITE) EXISTING STORM DRAIN CB & MANHOLE (32.84 RIM) (27.76 INV) EXISTING 36" RCP OUTLET A (SHEET FLOW & PRIVATE DRIVE) CONSTRUCT 4"X28"CURB-O-LETRECTANGULAR CHANNEL 6 75 11 75 9 9 9 10 10 10 10 10 10 6 6 5 7 75 9 911 28.84 INV PROPOSED 8X8 MWSCOORDINATES:33.697917, -117.917206 (33.14TC) 32.64FL28.85INV PROPOSED 8" PVCS=0.005 PROPOSED CURBDRAIN CULVERT 33.78 FL 28.73 INV PROPOSED 8" PVCS=0.005 28.36 INV (28.31 INV) EXISTINGCURB DRAIN EXISTINGCURB DRAIN EXISTINGCURB DRAIN EXISTING CURB DRAIN EXISTINGCURB DRAIN N-3 N-11 N-4A N-14 N-15 N-3 EXISTING DOWNSPOUT EXISTINGDOWNSPOUT EXISTINGDOWNSPOUT EXISTINGDOWNSPOUT EXISTINGDOWNSPOUT N-4B SCALE: 1" = 30' 60'30'0 N UNAUTHORIZED CHANGES & USES: THE ENGINEER PREPARING THESE PLANS WILL NOT BE RESPONSIBLE FOR, OR LIABLE FOR, UNAUTHORIZED CHANGES TO OR USES OF THESE PLANS. ALL CHANGES TO THE PLANS MUST BE IN WRITING AND MUST BE APPROVED BY THE PREPARER OF THESE PLANS. CONSTRUCTION CONTRACTOR AGREES THAT IN ACCORDANCE WITH GENERALLY ACCEPTED CONSTRUCTION PRACTICES, CONSTRUCTION CONTRACTOR WILL BE REQUIRED TO ASSUME SOLE AND COMPLETE RESPONSIBILITY FOR JOB SITE CONDITIONS DURING THE COURSE OF CONSTRUCTION OF THE PROJECT, INCLUDING SAFETY OF ALL PERSONS AND PROPERTY, THAT THIS REQUIREMENT SHALL BE MADE TO APPLY CONTINUOUSLY AND NOT BE LIMITED TO NORMAL WORKING HOURS, AND CONSTRUCTION CONTRACTOR FURTHER AGREES TO DEFEND, INDEMNIFY AND HOLD DESIGN PROFESSIONAL HARMLESS FROM ANY AND ALL LIABILITY, REAL OR ALLEGED, IN CONNECTION WITH THE PERFORMANCE OF WORK ON THIS PROJECT, EXCEPTING LIABILITY ARISING FROM THE SOLE NEGLIGENCE OF DESIGN PROFESSIONAL. ENGINEERS NOTE TO CONTRACTOR: THE EXISTENCE AND LOCATION OF ANY UNDERGROUND UTILITIES, PIPES, AND/OR STRUCTURES SHOWN ON THESE PLANS WERE OBTAINED BY A SEARCH OF AVAILABLE RECORDS. TO THE BEST OF OUR KNOWLEDGE, THERE ARE NO EXISTING UTILITIES EXCEPT AS SHOWN ON THESE PLANS. THE CONTRACTOR SHALL ASCERTAIN THE TRUE VERTICAL AND HORIZONTAL LOCATION OF THOSE UNDERGROUND UTILITIES TO BE USED AND SHALL BE RESPONSIBLE FOR ANY DAMAGE TO ANY PUBLIC OR PRIVATE UTILITIES, SHOWN OR NOT SHOWN HEREON. IF THE CONTRACTOR ENCOUNTERS ANY DISCREPANCIES, CONFLICTS OR AREAS WHICH HE FEELS UNWORKABLE, HE SHALL NOTIFY THE GRADING ENGINEER IMMEDIATELY PRIOR TO CONTINUING OR DEVIATING FROM THIS PLAN. FILE NO.: SH T - X X N N - N N N N N - R 0 0 . D G N PRECISE GRADING PLAN 3601, 3611 HARBOR BOULEVARD CITY OF SANTA ANAPUBLIC WORKS AGENCY REVISIONS REFERENCES NUMBER DATE INITIALS DESCRIPTION APPROVED INSTALLED CONSTRUCTION COMPLETED:SHEET OF 16 BENCHMARK NO.: 1F-177-10 (OCPW BM)ELEV.: 37.459' NAVD88 www.DigAlert.org TWO WORKING DAYSBEFORE YOU DIG Underground Service Alert NOTICE TO CONTRACTOR of Southern California PURSUANT TO ASSEMBLY BILL 4216 NO EXCAVATION PERMITIS VALID UNLESS THE CONTRACTOR CONTACTS AND OBTAINSA DIG ALERT TICKET NUMBER. CALL 811 AT LEAST TWOWORKING DAYS PRIOR TO COMMENCING EXCAVATION. DATE PREPARED UNDERTHE SUPERVISIONOF: REVIEWED FORCONSTRUCTABILITYAND RECOMMENDEDFOR CONSTRUCTION:PR O J E C T N O . P 0 1 1 6 3 5 2 : C R I S T O R E Y H I G H S C H O O L ; 3 6 0 1 & 3 6 1 1 S H A R B O R B L V D . G R A D I N G P L A N CALL BEFORE YOU DIG Know what's below.before you dig.Call R JACOB VANDERVISDESCRIPTION GP# 50101563 03/2026 A p r 0 2 , 2 0 2 6 - 7 : 2 4 a m b y P J m a e v K : \ D r a w i n g s \ S P \ S P 9 1 3 7 - C r i s t o R e y O r a n g e C o u n t y H i g h S c h o o l \ E N G \ C o n s t r u c t i o n D r a w i n g s \ P r e c i s e G r a d i n g P l a n s \ S P 9 1 3 7 _ L I D . d w g REGISTERED PROFESSIONAL ENGINEER JACOB VANDERVIS No. C46301 CIVILTSTEOFCALIFORNIAA EXP. 12-31-26 WQMP EXHIBIT XX X.XX AC LEGEND: N AN STOOCEAN GNPMUDO RDSHT NOTE: STORM DRAIN IS A PRIVATE SYSTEM. ALL STORM DRAIN INLETS (CATCH BASINS) THAT DISCHARGE INTO ANEXISTING OR PROPOSED STORM DRAIN SHALL BE MARKED (LABELED) WITH THE ABOVE NOTATION TO DISCOURAGE ILLEGAL DUMPING OF POLLUTANTS. BLUE FEATURES ON A WHITE BACKGROUND MIN 2"LETTERING D=30"MIN. TYPICALFISHORDOLPHIN I I I STORM DRAIN INLET MARKING NTS NON-STRUCTURAL SOURCE CONTROL BMPS: BMP SYMBOL DESCRIPTION RESPONSIBLE PARTY COMMON AREA LANDSCAPE MANAGEMENT DEVELOPER/OWNER BMP MAINTENANCE - MODULAR WETLAND SYSTEM DEVELOPER/OWNER BMP MAINTENANCE - CATCH BASIN INSERT FILTER DEVELOPER/OWNER COMMON AREA LITTER CONTROL DEVELOPER/OWNER CATCH BASIN INSPECTION PROGRAM DEVELOPER/OWNER VACUUM SWEEPING OF PARKING LOTSDEVELOPER/OWNER N-3 N-4A N-4B N-11 N-14 N-15 STRUCTURAL SOURCE CONTROL BMPS: BMP SYMBOL DESCRIPTION RESPONSIBLE PARTY STORM DRAIN SYSTEM STENCILING AND SIGNAGE DEVELOPER/OWNER TRASH AND WASTE STORAGE AREAS TO REDUCE POLLUTION INTRODUCTIONDEVELOPER/OWNER EFFICIENT IRRIGATION SYSTEMS & LANDSCAPE SOURCE CONTROL DEVELOPER/OWNER MODULAR WETLAND SYSTEM (MWS)DEVELOPER/OWNER S-1 S-3 S-4 BIO-7 DMA SUMMARY: DMA #AREA (ACRE)AREA (SQ.FT.)PERVIOUS AREA (SQ.FT.) IMPERVIOUS AREA (SQ.FT.) INTENSITY (IN/HR) DESIGNFLOWRATE (CFS) PROVIDEDFLOWRATE (CFS) BMP TYPE A-1 0.06 2646 657 1989 0.21 0.17 0.17 DCV INCLUDED IN BMP SIZE A-2 0.006 243 164 79 SELF TREATING A-3 0.02 766 556 210 SELF TREATING A-4 0.01 444 348 96 SELF TREATING A-5 0.03 1376 477 899 DCV INCLUDED IN BMP SIZE A-6 0.95 41572 7077 34495 DCV INCLUDED IN BMP SIZE A-7 0.01 619 0 619 DCV INCLUDED IN BMP SIZE A-8 0.01 572 0 572 DCV INCLUDED IN BMP SIZE A-9 0.003 110 0 110 DCV INCLUDED IN BMP SIZE A-10 0.03 1137 1137 0 SELF TREATING TOTAL 1.14 49485 10416 39069 - PROPERTY LINE (⅊) AND/OR RIGHT-OF-WAY (R/W) CENTER LINE EXISTING EASEMENT PROPOSED FLOWLINE EXISTING CONTOUR PROPOSED CONTOUR DRAINAGE MANAGEMENT AREA BOUNDARY (49,485 SF) LARGER AREA THAT FLOWS TO BMP (80,085 SF) PIPE FLOW DIRECTION SURFACE DIRECTION OF FLOW AREA ID AREA (AC) AREA ID OF AREA TRIBUTARY TO BMP AREA (AC) LANDSCAPE AREA EXISTING EASEMENT KEYNOTE (REFER TO EASEMENT DESCRIPTIONS ON THIS SHEET) (35) 35 X INFILTRATION FEASIBILITY CONSTRAINTS: ·INFILTRATION RATES LESS THAN 0.3 IN/HR ·SITE IS IN LIQUEFACTION HAZARD ZONE ·SITE HAS A HISTORICALLY HIGH GROUNDWATER TABLE XX X.XX AC DP #2025-012 TITLE EXCEPTIONS: INDICATES SHOWN HEREON. NUMBERED ACCORDING TO THE TITLE COMMITMENT PROVIDED BY COMMONWEALTH LAND TITLE INSURANCE COMPANY, COMMITMENT NO. 09187723-918-KH2-DNO, DATED NOVEMBER 12, 2024. 5 EASEMENT(S) FOR PUBLIC UTILITIES, SANITARY SEWER, AND PRIVATE VEHICULAR ACCESS WAY AS DELINATED OR AS OFFERED FOR DEDICATION ON THE MAP OF SAID TRACT/PLAT. 6 EASEMENT(S) FOR PUBLIC UTILITY IN FAVOR OF SOUTHERN CALIFORNIA EDISON COMPANY RECORDED APRIL 18, 1985 AS RECORDING NO. 85-137903. 7 EASEMENT(S) FOR INGRESS AND EGRESS IN FAVOR OF HARBOR ASSOCIATES RECORDED JUNE 12, 1985 AS RECORDING NO. 85-213150. 9 EASEMENT FOR FIRE PROTECTION SYSTEM, STORM DRAIN PURPOSES, TELEPHONE PURPOSES AND VEHICULAR ACCESS WAY PURPOSES. 10 EASEMENT(S) FOR COMMUNICATION SYSTEMS IN FAVOR OF SOUTHERN CALIFORNIA EDISON COMPANY RECORDED AUGUST 7, 1985 AS RECORDINGNO. 85-293051. 11 EASEMENT(S) FOR PIPELINE(S) IN FAVOR OF COUNTY OF ORANGE RECORDED JANUARY 10, 1986 AS RECORDING NO. 86-012724. 16 *ONLY 1.14 AC (49,485 SF) OF DMA-1 IS BEING TREATED SINCE THIS IS THE PROJECT'S EQUIVALENT AREA. DMA-1HIGH FLOWS WILL BYPASS PROPOSED BMP. * Behrooz Sarlak 4/9/2026