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OPEN CRUSHED TOP SOIL 24" 1-f'," - 3:" ROCK, WRAPPED IN OPEN GRADED GEOTEKhLE FABRIC. AGGRE(ATE BOTTOM OF ROCK >> STORAGE EL: 470.00' N�OPIPEC! 70\�,, j/\�/�\/�\//i\//�\ NOTE OPEN 24' GR4 - %i —� O'✓ERFLOW STRUCTURE G47E COMPACTED SUBGR40E Um)ERDPmQCT TO ALTERNATIVE TO FRENCH DRAIN MAY BE EZ -FLOW MANUFACTURED Ol4RFLOW STRUCTURE PRODUCT. SUBMIT PRODUCT FOR APPROVAL OPLANTER, SECTION A -A SCALE N.T.S. copyright 02021 Branch Engineering, Inc. OROCK STORAGE, SECTION B -B SCALE: N.T.S. OFRENCH DRAIN SCALE: N.T.S. LEGEND EXISTING PROPERTY LINE 100 ELEVATION CONTOUR designer. 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OPEN CRUSHED TOP SOIL 24" 1-f'," - 3:" ROCK, WRAPPED IN OPEN GRADED GEOTEKhLE FABRIC. AGGRE(ATE BOTTOM OF ROCK >> STORAGE EL: 470.00' N�OPIPEC! 70\�,, j/\�/�\/�\//i\//�\ NOTE OPEN 24' GR4 - %i —� O'✓ERFLOW STRUCTURE G47E COMPACTED SUBGR40E Um)ERDPmQCT TO ALTERNATIVE TO FRENCH DRAIN MAY BE EZ -FLOW MANUFACTURED Ol4RFLOW STRUCTURE PRODUCT. SUBMIT PRODUCT FOR APPROVAL OPLANTER, SECTION A -A SCALE N.T.S. copyright 02021 Branch Engineering, Inc. OROCK STORAGE, SECTION B -B SCALE: N.T.S. OFRENCH DRAIN SCALE: N.T.S. LEGEND EXISTING 4" STORM 3:1 MAX SLOPE BETWEEN ROCK AND CATCH POINT I 1' CLEAN (5R FINES) 2 1/2°-1" WASHED ROCK CONNECT INLET PIPE TO 8" J PERF. PIPE ALONG BOTTOM OF LEVEL SPREADER i Y N OLEVEL SPREADER SCALE: N.T.S. GRAPHIC SCALE 20 0 10 20 40 IN FEET ) PROPOSED PROPERTY LINE 100 ELEVATION CONTOUR designer. FENCE X ------- 61 EDGE OF PAVEMENT — PERF— —(E)SD— STORMWATER LINE —(E)WW— WASTEWATER LINE (E)OHW OVERHEAD WIRES -(E)G— NATURAL GAS LINE — — SANITARY SEWER EASEMENT ® STORM MANHOLE © WASTEWATER MANHOLE .0, POWER POLE ® TRANSFORMER NM WATER METER D4 WATER VALVE .6 FIRE HYDRANT Fil TELEPHONE RISER IT -11 UNKNOWN VAULT 191 UNKNOWN UTILITY BOX E) GAS VALVE L SIGN CONCRETE .0' 4" STORM 3:1 MAX SLOPE BETWEEN ROCK AND CATCH POINT I 1' CLEAN (5R FINES) 2 1/2°-1" WASHED ROCK CONNECT INLET PIPE TO 8" J PERF. PIPE ALONG BOTTOM OF LEVEL SPREADER i Y N OLEVEL SPREADER SCALE: N.T.S. GRAPHIC SCALE 20 0 10 20 40 IN FEET ) PROPOSED 18" O.C. 100 ELEVATION CONTOUR designer. EDGE OF PAVEMENT 2" x 6" CEDAR ------- 61 STORMWATER LINE — PERF— PERFORATED PIPE ROCK AND CATCH POINT WASTEWATER LINE BIW— W WATER LINE FIRE LINE W DUAL CHAMBER CATCH BASIN • SURFACE DRAIN ® WATER METER w DOUBLE CHECK ASSEMBLY VAULT CLEAN OUT O ROOF DOWNSPOUT LIGHT POLE O CONCRETE 0 0 LANDSCAPING � ROCK STORAGE L STORM PLANTER 2" GRADE 18" O.C. BOARD NOTCHES 2- designer. NP 2" x 6" CEDAR 2" GRADE BOARD 51 MAX SLOPE BETWEEN ROCK AND CATCH POINT ELEV� 474.30' TURF REINFORCEMENT MATTING 3' MIN. FASTEN GRADE BOARD TO EVERY SUPPORT POST WITH (2) 4" 0, 44" SIMPSON SDS SCREWS ENSURE WASH ROCK IS INSTALLED UNDERNEATH GRADE BOARD TO PROVIDE FULL SUPPORT. 4X4" CEDAR SUPPORT POST. 1' MIN. EMBEDDED OR AS NEEDED TO SUPPORT GRADE BOARD. LAND USE SUBMITTAL. NOT FOR BUILDING PERMIT Branch ENGINEERING= SIR,, 1977 civil • transportation structural • geotechnical SURVEYING 310 5th Street Springfield, OR 97477 p: 541.746.0637 www.BranchEngineering.com revisions date: MAY 11, 2023 drawn by W designer. NP project no. 22-226 a W z O `LJ O W W nf� � 0 L N r W Z ~O W U rn z m m V) revisions date: MAY 11, 2023 drawn by KJS designer. NP project no. 22-226 STORMWATER MANAGEMENT SITE PLAN sheet S1