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3. TRENCH CONFIGURATION: REGISTERED PRODUCTS-CHAMBERS AND EZFLOW <br /> p, Initial required Sidewall gottom Area Bottom Area Design <br /> trench bottom area Absorption trench <br /> Reduction Multiplier <br /> (ftZ): (from 1.D) (inches) bottom area <br /> 6 to 11 1 500 <br /> 12 to 17 20% 0.8 400 <br /> 500 <br /> 18 to 23 34% 0.66 330 <br /> 24 40% 0.6 300 <br /> B. Registered Product: Infiltrator Quick4 HC Chamber <br /> C. Select Sidewall Height: 12 inches = 1.0 ft <br /> D. Design Bottom Area (3.A): 400 ft2 <br /> E. Registered Width: �ft <br /> F. Minimum Designed Trench Length= Bottom Area (3.C):Trench Width (3.D) <br /> 400 ft2 = 3.0 ft= 133 ft <br /> G. Enter the Registered Product Component Length: �ft <br /> H. Number of Components=Minimum Total Length Required divided by Component Length (Round up) <br /> 133 ft: � ft= 34 components <br /> I. Actual Total Trench Length= Number of Components X Component Length: <br /> 34 components X 4.0 ft = 136 ft <br /> J. Calculate Minimum length per trench based on Contour Loading Rate: Design Flow:CLR= <br /> 225.0 gpd: 12.0 gal/ft = 18.8 ft <br /> K. Select No. of Trenches: �trenches <br /> L. Length per trench=Actual Trench Length : Number of Trenches. Recommended to not exceed 3.J. <br /> 136.0 ft: ��al/ft = 27.2 ft <br /> M. Select Trench Spacing : �ft (typically 5- 12 ft from center to center) <br /> N. Calculate Lawn Area: Trench Length X Trench Spacing =square feet of lawn area <br /> 136 ft X �ft = 800 ft2 lawn area <br /> Comments• <br />