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D <br />D <br />D <br />D <br />S <br />S S <br />HA <br />R <br />B <br />O <br />R <br /> <br />B <br />L <br />V <br />D <br />. <br />210+89.080.00 <br />T <br />PARCEL 1, PM 245/31APN: 414-261-12 <br />N/F D&S INVESTMENTS <br />LOT 7, PM 252/2-3 <br />PARCEL 2, PM 245/31APN: 414-261-34 <br />N/F SUNFLOWER ART LLC PARCEL 1, PM 292/7-10 <br />APN: 414-261-32 <br />N/F CODAN US CORPORATION <br />LOT 17, PM 252/2-3 <br />APN: 414-261-31 <br />N/F LAKE CENTER BUSINESS <br />HOMEOWNERS ASSN <br />LOT 13, PM 252/2-3 <br />LOT 1, PM 252/2-3 <br />B U I L D I N G <br />B U I L D I N G <br />B U I L D I N G <br />B U I L D I N G <br />A S P H A L T <br />A S P H A L T <br />A S P H A L T <br />S <br />37.60FL37.68INV <br />36.32FL36.40INV <br />35.63FL35.71INV <br />36.24FL36.32INV INV: 35.81 <br />SEE DETAIL "A" HEREON <br />L=6.0'S=0.017 <br />L=16.4'S=0.025 <br />L=16.5'S=0.017 <br />38 <br />37 37 <br />31 <br />31 32 <br />32 <br />39 36.80INV3936.80INV <br />3936.45INV <br />L=10.5'S=0.009 <br />36 36 <br />37.61FL37.69INV <br />L=5.0'S=0.064L=5.0'S=0.066 <br />40 37.23INV <br />38 <br />38 <br />3131 37.58FL37.66INV37.59FL37.67INV <br />L=3.0'S=0.005L=3.0'S=0.01031 <br />31 <br />38 <br />38 <br />32.64FL <br />28.85INV <br />33.14TC/RIM35 <br />L=2.5'S=0.00533 <br />L=48.9'S=0.00934 <br />33.78FL <br />INV: 33.78 <br />34.45TC <br />EXISTING BUILDING <br />3631 S HARBOR BLVD. <br />FF=(±) <br />EXISTING BUILDING <br />3601 S HARBOR BLVD. <br />FF=(±38.2) <br />EXISTING BUILDING <br />3611 S HARBOR BLVD. <br />FF=(±37.9) <br />EXISTING BUILDING <br />3621 S HARBOR BLVD. <br />FF=(±36.8) <br />10 <br />' <br />EX <br />I <br />S <br />T <br />I <br />N <br />G <br /> <br />S <br />T <br />O <br />R <br />M <br /> <br />D <br />R <br />A <br />I <br />N <br /> <br />E <br />A <br />S <br />E <br />M <br />E <br />N <br />T <br />EXISTING 36" <br />STORM DRAIN <br />EXISTING 30" <br />STORM DRAIN <br />EXISTING 48" <br />STORM DRAIN <br />EXISTING CATCH BASIN TOBE PROTECTED IN PLACE <br />(32.89RIM) <br />(28.31INV) <br />EXISTING ⅊ <br />EXISTING R/W <br />EXISTING <br />R/W <br />EXISTING ⅊ <br />℄℄ <br />℄ <br />℄ <br />6 <br />6' <br />7 <br />25 <br />' <br />5 <br />11 <br />25 <br />' <br />15 <br />' <br />75 <br />10' <br />9 <br />10 <br />' <br />9 <br />10 <br />' <br />9 <br />6' <br />10 <br />6' <br />10 <br />6' <br />6' <br />6' <br />10 <br />10 <br />10 <br />6' <br />10 <br />6' <br />6 <br />6 <br />6' <br />20' <br />5 7 <br />15' <br />7 5 <br />6' <br />9 <br />15 <br />' <br />11 <br />15 <br />' <br />5' <br />5' <br />15 <br />' <br />14' <br />37' <br />43' <br />56' <br />14' <br />37' <br />43' <br />56' <br />5' <br />L=21.3'S=0.00533 <br />L=71.3'S=0.00533 <br />L=10.0'S=0.00533 <br />INV: 28.84 <br />INV: 28.73 <br />INV: 28.36 <br />(28.31INV)41 <br />S <br />H <br />A <br />R <br />B <br />O <br />R <br /> <br />B <br />L <br />V <br />D <br />W LAKE CENTER DR <br />(P <br />U <br />B <br />L <br />I <br />C <br />) <br />(PUBLIC) <br />PR <br />I <br />V <br />A <br />T <br />E <br /> <br />D <br />R <br />I <br />V <br />E <br />PRIVATE <br /> <br />D <br />R <br />I <br />V <br />E <br />S 89°40'46" E 666.94' <br />L: <br />3 <br />9 <br />. <br />2 <br />5 <br />' <br />R: <br />2 <br />5 <br />. <br />0 <br />0 <br />' <br />Δ=8 <br />9 <br />° <br />5 <br />6 <br />' <br />4 <br />1 <br />" <br />S <br />0 <br />° <br />2 <br />2 <br />' <br />3 <br />3 <br />" <br /> <br />W <br /> <br />4 <br />8 <br />8 <br />. <br />0 <br />1 <br />' <br />S 89°37'27" E 84.42'L:139.72' <br />R:400.00' <br />Δ=20°00'46" <br />N 69°36 <br />' <br />4 <br />1 <br />" <br /> <br />W <br /> <br />3 <br />5 <br />8 <br />. <br />4 <br />2 <br />' <br />L:6 <br />8 <br />. <br />4 <br />7 <br />' <br />R:2 <br />0 <br />0 <br />. <br />0 <br />0 <br />' <br />Δ=19 <br />° <br />3 <br />6 <br />' <br />5 <br />5 <br />" <br />S 39 <br />° <br />2 <br />9 <br />' <br />3 <br />1 <br />" <br /> <br />W <br /> <br />5 <br />3 <br />. <br />2 <br />4 <br />' <br />L:2 <br />0 <br />5 <br />. <br />1 <br />0 <br />' <br />R:3 <br />0 <br />0 <br />. <br />0 <br />0 <br />' <br />Δ=3 <br />9 <br />° <br />1 <br />0 <br />' <br />1 <br />7 <br />" <br />S <br />0 <br />° <br />1 <br />9 <br />' <br />1 <br />4 <br />" <br /> <br />W <br /> <br />3 <br />7 <br />0 <br />. <br />1 <br />9 <br />' <br />30 <br />' <br />60'60' <br />120' <br />30 <br />' <br />30 <br />' <br />30 <br />' <br />60 <br />' <br />49.6' <br />21 <br />. <br />4 <br />' <br />21 <br />. <br />5 <br />' <br />EXISTING CATCH BASIN TO <br />BE PROTECTED IN PLACE <br />(34.84RIM) <br />(26.42INV)9 <br />EXISTING CATCH BASIN TO <br />BE PROTECTED IN PLACE <br />(34.82RIM) <br />(26.36INV) <br />EXISTING END OF 36"LINE BLOCKED <br />36.23FL36.31INV38 <br />INV: 36.60 <br />L=11.3'S=0.017 L=11.7'S=0.017 <br />L=16.9'S=0.017 <br />INV: 36.60 <br />31 <br />31 L=23.2'S=0.025 <br />INV: 36.22 <br />36.32FL36.40INV <br />L=10.5'S=0.0103636 <br />36.30FL36.38INV36.30FL36.38INV <br />39 36.23INV <br />L=6.0'S=0.010 L=6.0'S=0.0123131 <br />3838 <br />X2 <br />X2 <br />42 <br />(33.30)FL <br />INV: 33.34 <br />(34.13)TC <br />2' <br />2'PROTECT EXISTING COLUMN <br />36.17FL <br />INV: 36.17 <br />36.67TC <br />36.14FL <br />INV: 36.14 <br />36.64TC <br />L=6.0'S=0.00543 <br />4244 <br />INV: 36.56 <br />35.85INV <br />35.77FL 36 <br />INV: 36.60 <br />INV: 36.68 <br />INV: 36.76 <br />INV: 36.78 <br />36.80INV39 <br />L=1.1'S=0.015 <br />L=1.7'S=0.015 <br />L=5.2'S=0.015 <br />L=5.2'S=0.015 <br />L=2.7'S=0.015 L=4.5'S=0.159 <br />31 <br />31 <br />31 <br />31 <br />31 36 <br />35.46FL35.54INV <br />35.48FL35.56INV38 <br />L=7.6'S=0.026 <br />L=7.6'S=0.024 <br />31 <br />35.66INV40 <br />38 <br />L=0.8'S=0.015 <br />L=1.1'S=0.015 <br />L=5.2'S=0.015 <br />L=5.8'S=0.015 <br />L=3.0'S=0.015 <br />L=4.5'S=0.160 <br />INV: 36.77 <br />INV: 36.79 <br />INV: 36.69 <br />INV: 36.61 <br />INV: 36.56 <br />31 <br />31 <br />31 <br />31 <br />31 <br />36 <br />31 <br />UNAUTHORIZED CHANGES & USES: <br />THE ENGINEER PREPARING THESE PLANS WILL NOT BE RESPONSIBLE FOR, OR LIABLE FOR, UNAUTHORIZED <br />CHANGES TO OR USES OF THESE PLANS. ALL CHANGES TO THE PLANS MUST BE IN WRITING AND MUST BE <br />APPROVED BY THE PREPARER OF THESE PLANS. CONSTRUCTION CONTRACTOR AGREES THAT IN ACCORDANCE <br />WITH GENERALLY ACCEPTED CONSTRUCTION PRACTICES, CONSTRUCTION CONTRACTOR WILL BE REQUIRED TO <br />ASSUME SOLE AND COMPLETE RESPONSIBILITY FOR JOB SITE CONDITIONS DURING THE COURSE OF CONSTRUCTION <br />OF THE PROJECT, INCLUDING SAFETY OF ALL PERSONS AND PROPERTY, THAT THIS REQUIREMENT SHALL BE MADE <br />TO APPLY CONTINUOUSLY AND NOT BE LIMITED TO NORMAL WORKING HOURS, AND CONSTRUCTION CONTRACTOR <br />FURTHER AGREES TO DEFEND, INDEMNIFY AND HOLD DESIGN PROFESSIONAL HARMLESS FROM ANY AND ALL <br />LIABILITY, REAL OR ALLEGED, IN CONNECTION WITH THE PERFORMANCE OF WORK ON THIS PROJECT, EXCEPTING <br />LIABILITY ARISING FROM THE SOLE NEGLIGENCE OF DESIGN PROFESSIONAL. <br />ENGINEERS NOTE TO CONTRACTOR: <br />THE EXISTENCE AND LOCATION OF ANY UNDERGROUND UTILITIES, PIPES, AND/OR <br />STRUCTURES SHOWN ON THESE PLANS WERE OBTAINED BY A SEARCH OF <br />AVAILABLE RECORDS. TO THE BEST OF OUR KNOWLEDGE, THERE ARE NO <br />EXISTING UTILITIES EXCEPT AS SHOWN ON THESE PLANS. THE CONTRACTOR <br />SHALL ASCERTAIN THE TRUE VERTICAL AND HORIZONTAL LOCATION OF THOSE <br />UNDERGROUND UTILITIES TO BE USED AND SHALL BE RESPONSIBLE FOR ANY <br />DAMAGE TO ANY PUBLIC OR PRIVATE UTILITIES, SHOWN OR NOT SHOWN <br />HEREON. IF THE CONTRACTOR ENCOUNTERS ANY DISCREPANCIES, CONFLICTS <br />OR AREAS WHICH HE FEELS UNWORKABLE, HE SHALL NOTIFY THE GRADING <br />ENGINEER IMMEDIATELY PRIOR TO CONTINUING OR DEVIATING FROM THIS PLAN. <br />FILE NO.: <br />SH <br />T <br />- <br />X <br />X <br />N <br />N <br />- <br />N <br />N <br />N <br />N <br />N <br />- <br />R <br />0 <br />0 <br />. <br />D <br />G <br />N <br />PRECISE GRADING PLAN <br />3601, 3611 HARBOR BOULEVARD <br />CITY OF SANTA ANAPUBLIC WORKS AGENCY <br />REVISIONS REFERENCES <br />NUMBER DATE INITIALS DESCRIPTION APPROVED INSTALLED <br />CONSTRUCTION COMPLETED:SHEET OF 16 <br />BENCHMARK NO.: 1F-177-10 (OCPW BM)ELEV.: 37.459' NAVD88 <br />www.DigAlert.org <br />TWO WORKING DAYSBEFORE YOU DIG <br />Underground Service Alert <br />NOTICE TO CONTRACTOR <br />of Southern California <br />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. <br />DATE <br />PREPARED UNDERTHE SUPERVISIONOF: <br />REVIEWED FORCONSTRUCTABILITYAND RECOMMENDEDFOR CONSTRUCTION:PR <br />O <br />J <br />E <br />C <br />T <br /> <br />N <br />O <br />. <br /> <br />P <br />0 <br />1 <br />1 <br />6 <br />3 <br />5 <br />2 <br />: <br /> <br />C <br />R <br />I <br />S <br />T <br />O <br /> <br />R <br />E <br />Y <br /> <br />H <br />I <br />G <br />H <br /> <br />S <br />C <br />H <br />O <br />O <br />L <br />; <br /> <br />3 <br />6 <br />0 <br />1 <br /> <br />& <br /> <br />3 <br />6 <br />1 <br />1 <br /> <br />S <br /> <br />H <br />A <br />R <br />B <br />O <br />R <br /> <br />B <br />L <br />V <br />D <br />. <br /> <br />G <br />R <br />A <br />D <br />I <br />N <br />G <br /> <br />P <br />L <br />A <br />N <br />CALL BEFORE YOU DIG <br />Know what's below.before you dig.Call <br />R <br />JACOB VANDERVISDESCRIPTION <br />GP# 50101563 <br />03/2026 <br /> A <br />p <br />r <br /> <br />0 <br />2 <br />, <br /> <br />2 <br />0 <br />2 <br />6 <br /> <br />- <br /> <br />1 <br />0 <br />: <br />0 <br />9 <br />a <br />m <br /> <br />b <br />y <br /> <br />P <br />J <br />m <br />a <br />e <br />v <br /> <br /> <br />K <br />: <br />\ <br />D <br />r <br />a <br />w <br />i <br />n <br />g <br />s <br />\ <br />S <br />P <br />\ <br />S <br />P <br />9 <br />1 <br />3 <br />7 <br /> <br />- <br /> <br />C <br />r <br />i <br />s <br />t <br />o <br /> <br />R <br />e <br />y <br /> <br />O <br />r <br />a <br />n <br />g <br />e <br /> <br />C <br />o <br />u <br />n <br />t <br />y <br /> <br />H <br />i <br />g <br />h <br /> <br />S <br />c <br />h <br />o <br />o <br />l <br />\ <br />E <br />N <br />G <br />\ <br />C <br />o <br />n <br />s <br />t <br />r <br />u <br />c <br />t <br />i <br />o <br />n <br /> <br />D <br />r <br />a <br />w <br />i <br />n <br />g <br />s <br />\ <br />P <br />r <br />e <br />c <br />i <br />s <br />e <br /> <br />G <br />r <br />a <br />d <br />i <br />n <br />g <br /> <br />P <br />l <br />a <br />n <br />s <br />\ <br />7 <br />& <br />8 <br /> <br />- <br /> <br />S <br />T <br />O <br />R <br />M <br /> <br />D <br />R <br />A <br />I <br />N <br /> <br />P <br />L <br />A <br />N <br />. <br />d <br />w <br />g <br />REGISTERED PROFESSIONAL ENGINEER <br />JACOB VANDERVIS <br />No. C46301 <br />CIVILTSTEOFCALIFORNIAA <br />EXP. 12-31-26 <br />STORM DRAIN PLAN <br />9 <br />CONSTRUCTION NOTES: <br />INSTALL 4" PVC SCH 80, INCLUDING ALL BENDS AND FITTINGS. TRENCHING PER CITYOF SANTA ANA STD. PLAN 1150 ON SHEET 10. <br />INSTALL 6" PVC SCH 80, INCLUDING ALL BENDS AND FITTINGS. TRENCHING PER CITY <br />OF SANTA ANA STD. PLAN 1150 ON SHEET 10. <br />INSTALL 8" PVC SCH 80, INCLUDING ALL BENDS AND FITTINGS. TRENCHING PER CITYOF SANTA ANA STD. PLAN 1150 ON SHEET 10. <br />CONSTRUCT 4"X28" CURB-O-LET RECTANGULAR CHANNEL (PRODUCT MODEL <br />CP-SP428H) PER MANUFACTURERS RECOMMENDATIONS AND DETAIL ON SHEET 11 <br />(BACKFILL CHANNEL WITH 4,000 PSI CONCRETE). <br />INSTALL 8'X8' MODULAR WETLANDS SYSTEM PER MANUFACTURER SPECIFICATIONS <br />AND DETAILS ON SHEET 11. CONTRACTOR TO PLANT LINDHEIMER'S MUHLYGRASS, <br />BLUE MUHLYGRASS FOR MWS AND CONNECT 1" IRRIGATION PORT TO EXISTING SITE <br />IRRIGATION SYSTEM. CONTRACTOR TO REROUTE EXISTING LIGHTING CONDUIT AROUND <br />PROPOSED WETLANDS UNIT. <br />INSTALL 3"X8" RECTANGULAR PIPE CURB-O-LET PER DETAIL ON SHEET 10. <br />INSTALL 3"X17" RECTANGULAR PIPE CURB-O-LET OR APPROVED EQUAL PER DETAIL <br />ON SHEET 10. <br />CONSTRUCT CURB DRAIN PER DETAIL ON SHEET 10. <br />CONNECT TO EXISTING ROOF DRAIN. CONTRACTOR TO VERIFY LOCATION AND <br />ELEVATION. <br />CONNECT TO PROPOSED ROOF DRAIN DOWNSPOUT. SEE PLUMBING PLANS FOR <br />CONTINUATION. <br />CONNECT TO EXISTING CATCH BASIN PER SPPWC 335 (CASE 1). CONTRACTOR TOVERIFY EXISTING ELEVATION AND NOTIFY ENGINEER OF ANY DISCREPANCIES. <br />PAINT STORM DRAIN INLET MARKING PER DETAIL ON SHEET 10. <br />CONSTRUCT 3"X17" CURB-O-LET RECTANGULAR CHANNEL (PRODUCT MODEL <br />CP-SP428H) PER MANUFACTURERS RECOMMENDATIONS AND DETAILS 34 & 43 ON <br />SHEET 10 & 11 (UNDER SIDEWALK) <br />INSTALL FLOGARD CATCH BASIN INSERT FILTER (MODEL NO. FGP-10.0CI) INTOEXISTING CATCH BASIN. SEE SHEET 11 FOR DETAILS. <br />31 <br />32 <br />33 <br />34 <br />35 <br />36 <br />37 <br />38 <br />39 <br />40 <br />41 <br />42 <br />43 <br />44 <br />SCALE: 1" = 30' <br />60'30'0 <br />N <br />DETAIL "A" <br />1"=5' <br />N <br />PROPERTY LINE (⅊) AND/OR RIGHT-OF-WAY (R/W) <br />CENTER LINE <br />PROPOSED STORM DRAIN LINE (30" AND LARGER) <br />PROPOSED STORM DRAIN LINE (SMALLER THAN 30") <br />EXISTING STORM DRAIN LINE (30" AND LARGER) <br />EXISTING STORM DRAIN LINE (SMALLER THAN 30") <br />EXISTING SANITARY SEWER LINE <br />EXISTING WATER MAIN <br />EXISTING ELECTRICAL LINE <br />EXISTING NATURAL GAS LINE <br />EXISTING TELECOMMUNICATION LINE <br />EXISTING STREET LIGHT <br />EXISTING EASEMENT KEYNOTE (REFER TO HORIZONTAL CONTROL PLAN ON SHEET 4) <br />LEGEND: <br />X <br />Behrooz Sarlak 4/9/2026