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NOTES: <br />1. INSTALL WIRE SCREENING AROUND ALL OUTLET <br />OPENINGS TO PREVENT LOSS OF MULCH. <br />2. PVC UNDERDRAIN PIPE SHOULD HAVE 3/8" <br />PERFORATIONS SPACED AT 6" CENTERS, MIN. 4 <br />HOLES PER ROW. MAX SPACING OF <br />UNDERDRAIN PIPE IS 10 FEET ON CENTER. <br />HDPE SHALL ADHERE TO AASHTO M252 SPECS. <br />3. BIORETENTION LOCATIONS A, B, & D WILL <br />REQUIRE 6" UNDERDRAINS AND CLEANOUTS ON <br />BOTH THE EAST & WEST FACES OF THE <br />EXISTING CATCH BASINS. <br />4. UNDERDRAIN CLEANOUTS SHOULD EXTEND A <br />MIN. OF 6" ABOVE TOP SURFACE OF MULCH <br />LAYER. CLEANOUTS MAY BE FLUSH WITH TOP <br />OF SURFACE TO ALLOW DRAWDOWN. <br />5. ONLY SMALL MATURING TREES ARE ALLOWED <br />TO BE PLANTED. <br />6. ONLY SMALL MATURING TREES ARE ALLOWED <br />TO BE PIANTED. <br />7. IRRIGA710N MAY BE PROVIDED FOR INITIAL <br />ESTABLISHMENT AND DRY SEASONS. <br />EXI5TING CATCH BASIN COVERED WffH WIRE MESH <br />(BEYOND) <br />?SOD ON SIDE-SLOPES <br />DEPTH VARIES- <br />12"- 7 6" <br />??.?.11A?:3'7 ?D.n <br />.VIkRIE!? I VAQi6S <br />AROUND <br />PERIMEiER <br />(IYP.) <br />0 UTLEf PIPE <br />?- <br />CORE EX. STRUCTURE, USE <br />KOR-N-TEE iYPE CONNECTION <br />FOR 6" DIAMEfER PERFORATED <br />UNDERDRAIN PIPE. PVC OR <br />HDPE' PER AASHTO M252 <br />EXISTING ASPHALT PAVEMEM <br />3" DOUBLE PROP. CONC. <br />SHREDDED PONDING PINNED CURB ? <br />HARDWOOD MAXIMUM (NP.) <br />MULCH LAYER ? <br />a T <br />5 (NP.) <br />I ? p I <br />I Z I <br />?,.:?:.?:,.•.i :•.rir.:.:..r:.::::i.::..?::.'..,•.2 <br />4a:?:?:•:?:?'?:?i:?::? ?:r`A?:?:•; r:•:•:?:::•'L?:/1J <br />S ECTI O N A-A <br />F-s I vARrES <br />0.5% <br />SLOPE <br />? JL'AYEOR GRAVEL <br />AROUND <br />UNDERDRAIN <br />UNDERDRAIN GRAVEL BED <br />(#57 WASHED STONE) WITH <br />NON-WOVEN FILTER FABRIC <br />AROUND TOP, BOTTOM AND <br />8. PLANTING SOIL DEPTH VARIES BY LOCATION (4' % ? SIDES, IYP. <br />MAX') ' DO NOT OPERATE HEAVY EQUIPMENT WITHIN THE PERIMETER OF A BIORETENTION FACILIN DURING EXCAVATION, UNDERDRAIN PLACEMENT, BACKFILLING, PLANTING. OR <br />MULCHING OF THE FACILIN. USE ALL SUITABLE EXCAVATED MATERIAL IN THE WORK. EXCAVATE THE BIORETENTION CELL(S) TO THE DIMENSIONS, SIDE SLOPES, AND <br />ELEVAl70NS SHOWN ON THE CONTRACT PIANS. MINIMIZE_ THE COMPACTION OF THE BOTTOM OF THE BIOREfENTION FACILIN BY THE MEfHOD OF EXCAVATION. THE <br />, BIORETENTION SOIL SHALL BE A UNIFORM MIX THAT. IS FREE OF STONES, STUMPS, ROOTS, OR ANY OTHER OBJECT THAT IS LARGER THAN TWO INCHES. THE SOIL <br />MAY CONSIST OF D(ISTING SOIL, FURNISHED SOIL, OR A COMBINATION OF BOTH PRDVIDED THAT IT MEETS THE FOLLOWING REQUIREMENTS: <br />Tunont Irwv??iv Tuc ainwrrrniTinry enn o o-r oi erc Mc?!T Tc <br />PLACE THE SOIL IN 12 INCH LIFTS AND CONSOLIDATE BY WATERING UNTIL SATURATED. CONSTRUCT THE UNDERDRAIN SYSTEM AS PER <br />CMS 605. PLACE THE GR4NULAR BACKFlLL MATERIAL TO THE INVERT OF THE BIORETENTION SOIL. ENSURE A MINIMUM OF 2 INCHES OF GR4NULAR COVER OVER THE <br />UNDERDRAIN PRIOR TO PLACEMENT OF THE BIORETENTION SOIL. PLACE CLEANOUTS WHERE SHOWN IN THE PLANS. CONNECT THE CLEANOUTS TO THE PERFOR4TED <br />UNDERDRAIN WITH THE APPROPRIATE MANUFACTURED CONNEC710NS. THE CLEANOUTS SHALI. EXTEND 6 INCHES ABOVE' THE TOP ELEVATION OF THE BIORETENTION CELL <br />MULCH. CAP THE CLEANOUTS WITH A THREADED SCREW CAP. PLACE TREES, SHRUBS, AND OTHER PLANT MATE RIALS SPECIFIED FOR BIORETENTION CELL AS <br />SPECIFIED IN THE PLANS. APPLY NO PESTICIDES, HERBICIDES, AND FERTILIZERS DURING PLANTING, ESTABLISHMENT, OR MAINTENANCE UNDER ANY CIRCUMSTANCES. <br />.2-7.0 <br />COMPOSITION \ 0 e? <br />PARTS SAND FINE AGGR <br />4 EGATE AS PER 703 <br />2 PARTSJB POST - C ' O6 <br />2 ?Rrg TOPSOIL - CMS 659.0 <br />BIO-RETENTION TYPICAL SECTION-A <br />NORTH OLMSTED TOWNE CENTER <br />NOT TO SCALE <br />DATE: 2/14/11 SHEET 2. OF 2 <br />C A R N E G I E <br />YANdfiS19iT dTID DYVCIOPIENT CORPORATTDN <br />?? <br />. 27600 DPsTROTT ROAD • SUITE 300 <br />'?PE4TLAKE, OHID 44145 <br />(440) 882_88D0 PliON6 <br />(MD) 882-68D4 PA7C