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IF X COUGHLIN PORTERLUNDEEN <br /> STRUCTURAL • CIVIL • SEISMIC ENGINEERING <br /> 1 <br /> 1 , . . <br /> J , I _________T_____.. <br /> 60 4.` <br /> . . . <br /> 00 ft <br /> 3 <br /> i <br /> FLOWPATH <br /> „----- -------- 1" = 20' <br /> I I <br /> i Legend <br /> SPLASHBLOCK (TYP) _ _ Portables 8,865 SF <br /> Flow Path 10,200 SF <br /> Flow Direction <br /> o <br /> _ 1 -----:----------____________----,------ZE, , o <br /> o <br /> Lri <br /> 1" ' oo *Based on section 12.3.5 of the 2010 <br /> I City of Everett Stormwater Manual: <br /> i <br /> - One splash block is required for each 700 <br /> sf of roof area. Because these portables <br /> _ \ i, <br /> each have 855 sf of roof area, two splash <br /> I o <br /> ABOVE-GRADEblocks are provided for each portable. <br /> - FLEX <br /> PVC RIBBED PIPE. -500 sf x 20 splash blocks = 10,000 sf <br /> PORTABLE _ . _ CONNECT TO DS (TYP) Total Minimum required vegetated flow <br /> BUILDING (TYP) _ i path <br /> - - 60.00 ft <br /> u, ----( : 0 ---------_-------0. <br /> U I <br /> I FLOWPATH <br /> - p ! <br /> � I <br /> / ,_________. , <br /> III <br /> , 1 4— <br /> I 00 <br /> �� _teajp. I �' <br /> c �� I CO <br /> 1 <br /> G <br /> 0 Cl ! _ <br /> O <br /> 7-1 I <br /> z iii...... .......ii _ _ I i — ASPHALT PATH <br /> O <br /> ---i <br /> r - - - FIGURE 4 <br /> Project: North Middle School Modernization DOWNSPOUT DISPERSION SYSTEM <br /> Project No: C 160030-06 Date: 03-28-2018 <br /> 801 SECOND AVE. • SUITE 900 • SEATTLE,WA 98104 • P:206/343-0460 • F:206/343-5691 www.cplinc.com <br />