Laserfiche WebLink
E-6 <br /> Part 2: Mound Systems <br /> A sewage treatment mound is a seepage bed elevated by clean sand Mounds must be <br /> fill to provide an adequate separation distance between the rock layer carefully <br /> in the mound and the barrier layer such as saturated soil conditions constructed <br /> or bedrock. The mound must be carefully constructed to provide <br /> adequate sewage treatment. <br /> Mound failures have usually been traced to improper construction <br /> practices. <br /> PERFORATED <br /> LATERALS <br /> SANDY LOAM SOIL <br /> � i <br /> LAYER OF G ILE <br /> INCHES <br /> FABRIC OR 4 INCHES OF ''•``"•- � ,�'; � ,f � !� <br /> HAY COVERED BY <br /> BUILDING PAPER ` <br /> PIPE ROM PUMP '`:-•.?i° /i'� <br /> i <br /> CLAN W-OCK '/�/• j DIVERSION FOR <br /> 6" TOPSOIL /' �/ ,f SURFACE WATER <br /> . <br /> MAX , �,r. <br /> Lope <br /> AND _.. 3 <br /> FILL SOD 6„ <br /> BROKENAY Up <br /> ��. <br /> BARNATUR `- <br /> RIFR A AYER <br /> Figure E-6 <br />