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CATALINA AVENUE (WEST)CL <br />TU <br />S <br />T <br />I <br />N <br /> <br />A <br />V <br />E <br />N <br />U <br />E <br />CL <br />30 <br />' <br />30 <br />' <br />52' <br />30 <br />' <br />30 <br />' <br />(EAST)CL <br />AVENUE <br />CATALINA <br />REVISIONS <br />REV. # DATE BY DESCRIPTION <br />OWNER/DEVELOPER <br />TOUFAN RAZI <br />102 LOVELACE <br />IRVINE, CA 92620 <br />(408) 416 6003 <br />APPROVAL SOILS ENGINEER CIVIL ENGINEER PREPARED UNDER SUPERVISION OF:TOPOGRAPHICAL PLAN <br /> AND <br /> DEMOLITION PLAN <br />MATTHEW HAMILTON <br />RCE NO. 63322 <br />SHEET <br />3 <br />OF <br />5 <br />BENCHMARK BASIS OF BEARINGS <br />TOUFAN RAZI <br />102 LOVELACE <br />IRVINE, CA 92620 <br />(408) 416 6003 <br />CIVIL ENGINEER <br />MATTHEW HAMILTON <br />RCE NO. 63322 <br />O.C.S.BM SA-260-70 <br />DESCRIBED BY OCS 2001 - FOUND 3 3 <br />4" OCS <br />ALUMINUM BENCHMARK DISK STAMPED <br />"SA-260-70", SET IN 4 IN. BY 4" CONCRETE POST. <br />MONUMENT IS LOCATED IN THE SOUTHWEST <br />CORNER OF THE INTERSECTION OF 17TH STREET <br />AND MABURY STREET, 21 FT. WESTERLY OF THE <br />CENTERLINE OF MARURY STREET AND 243 FT. <br />THE BEARING SHOWN HEREON ARE BASED <br />ON THE CALIFORNIA COORDINATE SYSTEM <br />(CCS83), ZONE VI, NAD 83 AS DETERMINED <br />LOCALLY BY THE LINE BETWEEN ORANGE <br />CIVIL ENGINEER <br />2127 Iris Place <br />Costa Mesa, CA 92627 <br />TEL.: (949) 791-8401 <br />MATT@HAMILTONLDI.COM <br />SOUTHERLY OF THE CENTERLINE OF 17TH STREET. <br />MONUMENT IS SET LEVEL WITH THE SIDEWALK. <br />ELEVATION = 166.666 FT (NAVD88 2010) <br />STATIONS GPS NO. 6014 AND GPS NO. 6005. <br />THE BEARING BETWEEN OF SAID LINE BEING <br />N 35° 15' 30" E, PER RECORDS ON FILE IN THE <br />OFFICE OF THE COUNTY SURVEYOR. <br />HAMILTON LAND <br />DEVELOPENT, INC <br />CATALINA AVECL(EXISTING) <br />NO <br />R <br />T <br />H <br /> <br />T <br />U <br />S <br />T <br />I <br />N <br /> <br />A <br />V <br />E <br />CL <br />(E <br />X <br />I <br />S <br />T <br />I <br />N <br />G <br />) <br />PROPERTY LINE N 89°44'O8" W - 262.83' <br />PR <br />O <br />P <br />E <br />R <br />T <br />Y <br /> <br />L <br />I <br />N <br />E <br />N <br />0 <br />0 <br />° <br />0 <br />4 <br />' <br />1 <br />0 <br />" <br /> <br />E <br /> <br /> <br />- <br /> <br /> <br />1 <br />0 <br />0 <br />. <br />0 <br />0 <br />' <br />RIGHT 0F WAY N 89°44'O8" W - 314.83' <br />RI <br />G <br />H <br />T <br /> <br />0 <br />F <br /> <br />W <br />A <br />Y <br />N <br />0 <br />0 <br />° <br />0 <br />4 <br />' <br />1 <br />0 <br />" <br /> <br />E <br /> <br /> <br />- <br /> <br /> <br />7 <br />4 <br />. <br />9 <br />2 <br />' <br />EXISTING BUILDING <br />EXISTING BLOCK WALL <br />EX <br />I <br />S <br />T <br />I <br />N <br />G <br /> <br />B <br />L <br />O <br />C <br />K <br /> <br />W <br />A <br />L <br />L <br />SCALE: 1" = 20' <br />PLOTTED: 05/28/2025 <br />TOPOGRAPHICAL PLAN <br />CATALINA AVECL(EXISTING) <br />NO <br />R <br />T <br />H <br /> <br />T <br />U <br />S <br />T <br />I <br />N <br /> <br />A <br />V <br />E <br />CL <br />(E <br />X <br />I <br />S <br />T <br />I <br />N <br />G <br />) <br />PROPERTY LINE N 89°44'O8" W - 262.83' <br />N <br />0 <br />0 <br />° <br />0 <br />4 <br />' <br />1 <br />0 <br />" <br /> <br />E <br /> <br /> <br />- <br /> <br /> <br />1 <br />0 <br />0 <br />. <br />0 <br />0 <br />' <br />RIGHT 0F WAY N 89°44'O8" W - 314.83' <br />RI <br />G <br />H <br />T <br /> <br />0 <br />F <br /> <br />W <br />A <br />Y <br />N <br />0 <br />0 <br />° <br />0 <br />4 <br />' <br />1 <br />0 <br />" <br /> <br />E <br /> <br /> <br />- <br /> <br /> <br />7 <br />4 <br />. <br />9 <br />2 <br />' <br />EXISTING BUILDING <br />EXISTING BLOCK WALL <br />EX <br />I <br />S <br />T <br />I <br />N <br />G <br /> <br />B <br />L <br />O <br />C <br />K <br /> <br />W <br />A <br />L <br />L <br />SCALE: 1" = 20' <br />DEMOLITION PLAN <br />CONSTRUCTION NOTES <br />15 SAWCUT, REMOVE AND DISPOSE OFF EXISTING A.C. PAVEMENT <br />16 <br />17 REMOVE AND DISPOSE OFF EXISTING TRASH ENCLOSURE <br />SAWCUT, REMOVE AND DISPOSE OFF EXISTING CONCRETE CURB <br />18 REMOVE AND DISPOSE OFF CONCRETE PAVEMENT <br />TO REMAIN <br />17 <br />18 <br />PR <br />O <br />P <br />E <br />R <br />T <br />Y <br /> <br />L <br />I <br />N <br />E <br />1590 N. Brian Street <br />Orange, CA 92867 <br />TEL.: (714) 637-3093 <br />HARRINGTON GEOTECHNICAL <br />16 <br />16 16 <br />16 <br />16 <br />1515 <br />15 <br />16 <br />18 <br />LEGEND <br />Rodolfo Rosas, P.E.Date <br />City Engineer <br />Nabil Saba, P.E.Date <br />Executive Director Public Works Agency OHANA MONTESSORI <br />CHILDCARE CENTRE <br />2102 NORTH TUSTIN AVE <br />SANTA ANA, CA 927O5 <br />15 <br />16 <br />Behrooz Sarlak 6/10/2025