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12" WIDE x 10" MIN DEEP ACO TRENCH DRAIN <br />(KLASSIKDRAIN K300-030 NEUTRAL CHANNEL) <br />AT CONNECTIONS BETWEEN ADJACENT PLANTERS <br />AS SHOWN ON GRADING PLANS <br />PERFORATED SUBDRAIN 4 PIPE / W <br />18"x18" OVERFLOW STRUCTURE, <br />TOP OF <br />CURB GRADES AS <br />OLDCASTLE OR APPROVED EQUAL <br />SHOWN <br />ON GRADING PLANS <br />2" MIN. <br />FINISH GRADE SHOWN ON GRADING PLAN <br />PROVIDE <br />BREAKS IN SIDEWALK <br />FREEBOARD <br />3" MIN. <br />IS TAKEN AT TOP OF 18" LAYER OF C.3 <br />AT LOCATIONS <br />SHOWN ON <br />STORAGE <br />COMPLIANT LOAMY SAN MIX. <br />GRADING <br />PLAN SHEETS <br />>� -- — 13 , <br />is <br />_i <br />". `' '' v <br />CURB TO EXTEND 4" ABOVE <br />f <br />ADJACENT SIDEWALK. CURB <br />3" MULCH <br />CUTS TO BE PLACED AS <br />SHOWN ON GRADING PLANS. <br />�.-,- <br />CONCRETE CAP SEE NOTE 2 <br />6" THICK PCC CONCRETE WITH <br />#4 REBAR REINFORCEMENT AT <br />to <br />12" OCE <br />, MAINTAIN 2 MIN. <br />PLACED AT 0.5% MIN. SLOPE CLEAR ON ALL SIDES; PROVIDE <br />12" MIN. OVERLAP AT EXTENSIONS <br />PUBLIC FLOW—THROUGH PLANTER <br />N.T.S. <br />TREATMENT PLANTER NOTES <br />18" LOAMY SAND PER SAN MATEO COUNTY <br />C.3 REGULATED PROJECTS GUIDE <br />n 12" DRAIN ROCK (CALTRANS CLASS 2 PERMEABLE) <br />LAYER WITH 4" PERFORATED PIPE AT 0.5% MIN. SLOPE. <br />REFER TO LANDSCAPE PLANS FOR PLANTINGS IN <br />�3 COMPLIANCE WITH SAN MATEO C.3 REGULATED <br />PROJECTS GUIDE. <br />EXHIBIT BIT B4 <br />(DTALLJS <br />STORM WATER MAINTENANCE AGREEMENT <br />PLAN#lINO I DEVELOPl1ENT PUBLIC FLOW - THROUGH PLANTER: L-4, L-6, C-2, C-3, B-5 & B-6 <br />ElIOINlERINO I <br />Job No.: 18190 Date: 01/19/22 Sheet: 04 of 04 <br />ATTY/AGR.2022 073/STMMA (Page 14 of 21) <br />