Laserfiche WebLink
3. TRENCH CONFIGURATION: REGISTERED PRODUCTS-CHAMBERS AND EZFLOW <br /> A. Initial required Sidewall Bottom Area Bottom Area Design <br /> trench bottom area Absorption trench <br /> (ftz): (from 1.D) (inches) Reduction Multiplier bottom area <br /> 6 to 11 1 <br /> 12 to 17 20% 0.8 <br /> 18 to 23 34% 0.66 <br /> 24 40% 0.6 <br /> B. Registered Product: <br /> C. Select Sidewall Height: inches ft <br /> D. Design Bottom Area (3.A): ft <br /> E. Registered Width: ft <br /> F. Minimum Designed Trench Length = Bottom Area (3.C):Trench Width (3.D) <br /> ft _ ft 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 /> ft a E:::= ft= components <br /> I. Actual Total Trench Length = Number of Components X Component Length: <br /> components X ft = ft <br /> J. Calculate Minimum length per trench based on Contour Loading Rate: Design Flow:CLR= <br /> gpd: gal/ft 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 /> Ift: gal/ft = 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 /> ft X ft ft lawn area <br /> Comments: <br />