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E-3 <br /> manifold pipe <br /> pipe froin pump <br /> \end cap <br /> 1� alternate location <br /> of pipe from pump <br /> Figure E-1 : Manifold Located at End of System <br /> Next, determine the length of the laterals and the distance <br /> between laterals. All cormections in the pressure distribution <br /> system must be tight in order to prevent leakage and to <br /> Figure E-2: Manifold Located end cap <br /> in the Center of the System <br /> manifold pipe i <br /> alternate location <br /> / d of pipe from pump <br /> pipe from pump <br /> �r <br /> withstand pressure. Remember, all lateral lines are to be on the <br /> same elevation. The lateral length is measured from the <br /> distribution manifold to the end of the lateral. A center manifold <br /> is preferred because it minimizes pipe sizes. Figures E-i. and E-2 <br /> illustrate two possible manifold positions. <br /> The hole spacing should be less than ���•��'n;�zii l",wji geotextiie;;�,-�,�,-�,,�,�,�;��� <br /> five feet*. The higher the hole density, quarter-inch perforations spaced 3'apart minimum <br /> the more uniformly the wastewater is 2"of rock <br /> distributed. Perforations should be12" <br /> spaced no farther apart than one half of s"of r <br /> the rock layer width, or five feet, 3 <br /> whichever is less. perforation sizin 7/32"to 1/4" <br /> perforation spacing. <br /> Figure E-3: Lateral End Specs <br />