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v 04.01.2020 <br />1. Media Bed Width:ft <br />2. Minimum Number of Laterals in system/zone = Rounded up number of [(Media Bed Width - 4) ÷ 3] + 1. <br />[(laterals <br />3. Designer Selected Number of Laterals :laterals <br />Cannot be less than line 2 (Except in at-grades) <br />4. Select Perforation Spacing :ft <br />5. Select Perforation Diameter Size:in 0.1875 <br />6.Length of Laterals = Media Bed Length - 2 Feet. <br />-2ft= ft Perforation can not be closer then 1 foot from edge. <br />7. <br />Number of Perforation Spaces = ft ÷ ft = Spaces <br />8. <br />Spaces + 1 =Perfs. Per Lateral <br /> Pressure Distribution <br />Design Worksheet <br />10 Does not apply to at-grades <br />Perforations Per Lateral = <br />3.00 <br />Project ID: <br />3 <br />3/16 <br />10 <br />50.0 48.0 <br />3- 4 ) ÷ 3] + 1 = <br />Determine the Number of Perforation Spaces . Divide the Length of Laterals by the Perforation Spacing and <br />round down to the nearest whole number. <br />16 17 <br />163.048.0 <br />Number of Perforations per Lateral is equal to 1.0 plus the Number of Perforation Spaces . Check table below to <br />verify the number of perforations per lateral guarantees less than a 10% discharge variation. The value is double <br />with a center manifold.