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N. 2-STORY <br />ATTACHED ADU <br />796S.F. <br />ALLEY <br />WA <br />S <br />H <br />I <br />N <br />G <br />T <br />O <br />N <br /> <br />A <br />V <br />E <br />CL <br />25' <br />(N)2-STORY <br />S. F. D. <br />1216 S.F. <br />LAWN <br />205.5 S.F.WA <br />L <br />K <br />W <br />A <br />Y <br />LA <br />W <br />N <br />1020 WASHINGTON AVE <br />N. 2-CAR GARAGE <br />415 S.F. <br />LAWN <br />247.5 S.F. <br />P. PORCH <br />110 S.F.P. PATH <br />42 S.F. <br />E.M G.M <br />W <br />A <br /> <br />S <br /> <br />H <br /> <br />I <br /> <br />N <br /> <br />G <br /> <br />T <br /> <br />O <br /> <br />N <br />A <br />V <br /> <br />E <br />1ST FLOOR LEVEL <br />FF = 151.10' <br />PAD = 150.35' <br />1%1% <br />3% <br />2% <br />2% <br />2 <br />2 <br />2 <br />2 <br />150.60' FS <br />2% <br />150.38 HP2% <br />2% <br />3 <br />149.88 FL <br />150.08 FL <br />150.60' FS <br />SU <br />B <br />SU <br />B <br />SU <br />B <br />SU <br />B <br />SU <br />B <br />SU <br />B <br />SU <br />B <br />SU <br />B <br />SU <br />B <br />SU <br />B <br />SU <br />B <br />1%5 <br />1 <br />5 <br />2% <br />150.60' FS <br />5 <br />5 150.60' FS <br />150.60' FS <br />150.60' FS <br />150.60' FS <br />150.60' FS <br />FF <br />G <br /> <br />= <br /> <br />1 <br />5 <br />0 <br />. <br />7 <br />7 <br />' <br />FF <br />G <br /> <br />= <br /> <br />1 <br />5 <br />0 <br />. <br />7 <br />7 <br />' <br />1% <br />7% <br />7% <br />149.61 FL <br />150.60' FS <br />3% <br />2% <br />150.60' FS <br />2% <br />150.56 HP <br />150.42' FS <br />S1 <br />W1 <br />℄ <br />WASHINGTON <br />AVE <br />140 <br />145 <br />150 <br />155 <br />2% <br />FF =151.10' <br />PAD =150.35' <br />⅊⅊ <br />3.00'3.00'OVER- EXCAVATION <br />GFF = 150.77 <br />3% <br />155 <br />FF =151.10' <br />PAD =150.35'FFG = 150.77 <br />⅊ <br />140 <br />145 <br />150 <br />155 <br />FF =151.10' <br />PAD =150.35' <br />OVER- EXCAVATION <br />3.00' <br />⅊ <br />3.00' <br />EXISTING WALL TO REMAIN <br />2%2%2%2% <br />160 <br />140 <br />145 <br />150 <br />155 <br />160 <br />FF <br />6" <br />MI <br />N <br />. <br />CONCRETE <br />PAD <br />WIDTH <br />PER PLAN <br />8" <br />MI <br />N <br />PAD <br />WEEPSCREED <br />BUILDING DRAINAGE <br />DETAIL <br />NOT TO SCALE <br />FF <br />WEEPSCREED <br />⅊⅊ <br />WIDTH <br />PER PLAN <br />MIN <br />5% <br />MIN <br />2% <br />MIN <br />5% <br />MIN <br />2% <br />A <br />E <br />TYPICAL DRIVEWAY / HARDSCAPE SECTION <br />DETAIL <br />NOT TO SCALE <br />NOTES: <br />1.THIS DETAIL IS FOR REFERENCE ONLY TO ILLUSTRATE SOILS REPORT <br />REQUIREMENTS. HARDSCAPE DESIGN BY OTHERS. <br />2.SEE SOILS REPORT FOR OVEREXCAVATION AND SUBGRADE PREPARATION <br />REQUIREMENTS. <br />B <br />F <br />A <br />B <br />C <br />D <br />E <br />F <br />MIN. SLAB THICKNESS <br />MIN. AGG. BASE THICKNESS <br />MIN. REINFORCEMENT (O.C./E.W.) <br />MAX. SAWCUT OR COLD JT. SPACING <br />THICKENED EDGE DEPTH <br />THICKENED EDGE WIDTH <br />4" <br />DRIVEWAYS <br />2" <br />6" <br />8" <br />12" <br />#3@24" <br />4" <br />HARDSCAPE <br />4" <br />6" <br />8" <br />12" <br />#4@12" <br />SURFACE TEXTURE, TILE, PAVERS, <br />ETC. PER LANDSCAPE PLANS <br />DC <br />UNDISTURBED COMPETENT SOIL OR 90% <br />COMPACTION MOISTURE CONDITION <br />SOIL SUB GRADE PER SOIL ENGINEER <br />RECOMMENDATION. <br />DOWNSPOUT <br />DETAIL <br />NOT TO SCALE <br />DOWNSPOUT PER ARCHITECT'S PLAN <br />BUILDING FACE <br />FINISH GRADE <br />COBBLE OR SPLASH BLOCK <br />1 <br />2 <br />3 <br />4 <br />5 <br />6 <br />CONSTRUCTION KEY NOTE <br />CONSTRUCT BOTTOMLESS TRENCH DRAIN PER DETAIL ON THIS SHEET. <br />CONSTRUCT DOWNSPOUT PER ARCHITECTURAL PLAN. <br />CONSTRUCT NEW DRIVEWAY PER DETAIL ON THIS SHEET. <br />REMOVE EXISTING STAIR. <br />REMOVE EXISTING HARDSCAPE. <br />REMOVE EXISTING FENCE. <br />24" <br />18 <br />" <br /> <br />M <br />I <br />N <br />. <br />10 <br />" <br />6" <br />GRATE <br />FILL THIS PORTION WITH CRUSHED <br />ROCK AFTER POURING GRATE <br />SUPPORT CURB <br />#4 REBAR T&B <br />6" MIN. WIDE PEDESTRIAN SAFE <br />FRAME & GRATE 3 <br />8" SLOT <br />OPENING. EASE JORDAN IRON <br />WORKS OR EQUAL <br />800-784-4100 <br />DIMENSIONS DETERMINED BY <br />GRATE FRAME DIMENSIONS. <br />USE FRAME AS A FORM <br />3 <br />4" CRUSHED ROCK <br />SECTION Z-Z <br />PLAN <br />BOTTOMLESS TRENCH DRAIN <br />DETAIL <br />NOT TO SCALE <br />Z <br />Z <br />NOTE: <br />a.DIG A 24" WIDE X 18" MIN. DEPTH TRENCH <br />b.PLACE FILTER CLOTH IN THE TRENCH LAP 12" @ TOP <br />c.FILL BOTTOM OF THE TREHCH W/ 3/4" CRUSHED ROCK <br />d.FORM AND POUR PERIMETER CONC. CURB <br />e.FILL THE REST OF THE TRENCH WITH CRUSHED ROCK TO 4" FROM TOP OF TRENCH <br />3" DIA. PVC PERFORATED PIPE. <br />EROSION CONTROL PLAN <br />LEGEND <br />EXISTING CONTOUR <br />PROPOSED CONTOUR <br />SPOT ELEVATION <br />PROPOSED HARDSCAPE AREA <br />PROPOSED LANDSCAPE AREA <br />PROPOSED STORM DRAIN <br /> FLOW LINE <br />PROPERTY LINE <br /> SURFACE SLOPE <br /> STORM DRAIN SLOPE <br />PAD PROPOSED PAD ELEVATION <br />FS PROPOSED FINISHED SURFACE <br />FG PROPOSED FINISHED GROUND <br />FF PROPOSED FINISHED FLOOR <br />INV INVERT OF PIPE <br />TG TOP OF GRATE <br />PL PROPERTY LINE <br />TW TOP OF WALL <br />HP HIGH POINT <br />EXIST EXISTING <br />(100) <br />100 <br />100FS <br />SD <br />X.X% <br />S=X.X% <br />PRECISE GRADING AND DRAINAGE PLAN <br />SCALE 1"=10' <br />SCALE 1"= 10' <br />201001020 <br />SECTION A-A <br />SCALE 1"=10' <br />SECTION B-B <br />SCALE 1"=10' <br />SHEET NO.: <br />APPROVED BYDATENO.REVISIONS <br />PROJECT NO.: <br />OWNER/SUBDIVIDER: <br />SINGLE-FAMILY HOUSE <br />2549 <br />PLANS PREPARED BY: <br />1010 E WASHINGTON AVE, SANTA <br />ANA, CA 92701 <br />PROJECT ADDRESS <br />C-2 <br />LJN ENGINEERING <br />*CIVIL ENGINEERING, STRUCTURAL SERVICES <br />*RESIDENTIAL - COMMERCIAL - INDUSTRIAL <br />* QUALITY - SAVING TIME - SAVING BUDGET <br />Add : 7138 TIARA AVE, HIGHLAND, CA 92346 <br />Tel : (840) 266 - 5063 <br />Email : ljnengineering2022@gmail.com <br />LJN ENGINEERING <br />DANNY MAYARI <br />PHONE: 310-817-9477 <br />EMAIL: 1010WASHINGTONAVE@GMAIL.COM <br />SEWER AND WATER CONSTRUCTION NOTES: <br />S1 - CONSTRUCT SEWER LATERAL CLEAN OUT PER STANDARD PLAN NO. 1204. <br />- <br />W1 - INSTALL 1" BACKFLOW PREVENTION DEVICE FOR DOMESTIC FIRE PURPOSES PER <br />STANDARD PLAN NO. 1431 <br />STAMPED 03/03/2026 <br />Behrooz Sarlak 3/11/2026