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r Washington <br />/± - TRAFFIC RATED <br />GLlLD"` SOLID PLATE COVER. <br />O �. <br />r� <br />eL TRAFFIC RATED - <br />INLET GRATE. <br />INLET, <br />SEE PLAN VIEW � <br />do NOTE 3 FOR <br />LOCATION OPTIONS <br />& SPECS. <br />DRAIN DOWN DEVICE. <br />OUTLET, (VENTED) SEE PLAN VIEW & NOTE 3 <br />FOR LOCATION OPTIONS & SPECS. <br />ISOMETRIC VIEW <br />Notes: <br />CAWRIDM TREATMENT <br />SIZE FLOW RATE <br />GPM / CF9 <br />12.= <br />8.810,018 <br />18.W <br />10.2 / 0.OZ3 <br />12.00' + 12AT <br />13.810.030 <br />1aA0"+12AV <br />171D.038 <br />CONCRETE APRON/COLLAR REQUIRED, <br />BY OTHERS. SEE NOTE 6. <br />PerkFflter" <br />CARTRIDGE. <br />TOTAL FLOW MINIMUM <br />CAPACITY DEPTH <br />CF8 F <br />1.3 <br />1.01 <br />1.3 <br />Z.34 <br />1-3 <br />3.08 <br />1.3 <br />4.87 <br />2X FLOW THRU TUBES. —�._- <br />II <br />FLOATABLES WEIR. <br />I I <br />PRIMARY BYPASS BETWEEN <br />FLOW THRU TUBES, a <br />FLOW THRU TUBE <br />INTO FILTER CHAMBER. <br />DRAIN DOWN <br />DEVICE. <br />DETAIL A <br />INLET / BYPASS ASSEMBLY <br />& DRAIN DOWN SCALE: 1.5X <br />TRAFFIC RATED <br />SOLID PLATE COVER. <br />TRAFFIC RATED - -, <br />1. AN stool utilized In fabrication and INLET GRATE. I— - <br />shall be 1h1" plate per ASTM A36. INLET, <br />SEE NOTE 3. <br />2, PerkFilter"' Catch basin sh�l be supplied A JON <br />€ <br />with traffic rated (Ii20) bicycle -proof gratin <br />and scild plate ever. <br />3. Inlet pips(s) may enter device on any of three <br />sides of the Irdat chamber. Outlet pipe may exit <br />on any of all four sides. All pipe Is fd 12" maximum <br />4. Inlet chomber shall be supplied with e <br />DRAIN DOWN device designed to remove <br />standing water between storm events. <br />5. For deptihe less then the specified minimum <br />contact OldcastieO Slormwour Solutions for <br />erVinsering assistance. <br />6. Field poured Concrete Apron / Collar required, <br />by others. Refer to PFSCB-1000 for <br />recommended configuration. <br />7. Perk ilter"' cartridge shall be maintanod <br />In accordance with manutactury <br />recommendations. <br />* <br />Treatment Flow Rates shown conform to <br />Washington State GULD Specifications. <br />r CONCRETE APRON/COLLAR, <br />S SEE NOTE 5. <br />1 <br />--• 1 26.38' <br />=} OUTLET, (VENTED). <br />__ <br />1 t <br />PerkFlter- CARTRIDGE. <br />PLAN VIEW <br />SEE DETAIL A. <br />PerkFilter" CARTRIDGE. <br />CONCRETE 4 <br />CARTRIDGE BYPASS PORT. <br />APRON/COLLAR, <br />SEE NOTE S. ! <br />INLET <br />SEE NOTE 3. <br />, <br />il <br />MINIMUM <br />DEPTH. <br />i <br />SEE TABULATION <br />& NOTE 5. <br />DRAIN DOWN <br />DEVICE. <br />I 49.75 OUTLET, (VENTED) <br />SECTION A A <br />PerkFilter TM C1 Old le <br />z� Stormwater Solutions <br />12 Steel Catch Basin <br />'K Pli[i. 0 Ltl1IMn, W 190724 • Prti 9WAT9l85H aletu%apmrwWr.aom <br />_ no OXWW 0"PPOt4 rot mDam Cmtmw. AC fro simum FaFtAv'i.W4 my ND 6KlPOT r <br />LSMVP RMYIYY/AMM TOng&rTUWd Grfih&01~,CCPfA[bR011l6dWyM-fp iydi "C Nl gfHi$j $Fj14e] <br />hUd19 VAVAIpet vc. -rC--014.1 <br />FlIftl w Single Cartridge PFSN <br />CB-WX0001 R NgW JPR all SHEET 1 OF 1 <br />EXHIBIT B4 <br />TALUS STORM WATER MAINTENANCE AGREEMENT <br />BUILDING A DETAILS <br />o ENOINEEMNO I PLANNING I DEVELOPMENT <br />c° Job No.: 18190 Date: 01/19/22 Sheet: 04 of 05 <br />�a <br />ATTY/AGR.2022 084/South Main STMMA (Page 14 of 22) <br />