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STATE CE@RTIFIalth aED <br /> Environmental list <br /> `4...,; ,EH-S-10 654 <br /> EXAMPLE OF A SEEPAGE BED <br /> r //A <br /> NOTE: A seepage bed must have a minimum of 600 square <br /> Robert Goodwin • I LI CII VALVES INSPEC?lON PORTS <br /> feet of filter bed (sized:at 200 square feet per 150 gallons of ,yL <br /> design flow). With a maximum flow of 600 gallons z day g,i T <br /> 919 @ i 0 0 0 0 o <br /> It must also have at least 2 laterals with flush valves S'� f' <br /> nQ(MI 2`YRESSUREMANwwOW - e e--0--0 0 0. .01 0 0 O 0--0-416,.. <br /> 9' <br /> ___ 2`PRESSURE LINE ,._1 ., - a- o o . 0—ta-�. Q <br /> It must be installed at least 18" deep but not more thaw FROM 2COMPARTMENTTANK a, <br /> into the natural soils • � — 1101 u01 HOLE 1 _ z - T. - 01 0 0 0 0 1 <br /> 60-0 01 Cl 0--F)--4T-8-4�The seepage bed bottom must be level <br /> Pressure distribution piping must be horizontally spaced not MS 11RILLEDorlIFR6 I I/4"LATERALS <br /> (TN?LRS <br /> mil R ORRICE SIIIH Ds NATIVE SOLI,tIACF.PIIa. <br /> more than 4' <br /> and not more that 2' <br /> from the seepage bed sidewall <br /> - — GROUND SI IREACE <br /> (Lateral i in .must have d.ischat e orifices.drilled a minimum INSPECTION PORT DETAIL <br /> ILTERlARR ,���/��, n-Rn' <br /> p p g g <br /> G"VALVE BOX pr1Ea.-tsum�. <br /> diameter of 1/8th. " and evenly spaced no more that 24" apart in CALL VALVE <br /> course soils or no more that 4' apart in finer" textured soils DRAIN:fEOlh-,� ,: L - l <br /> PRESSURE I/4'PRSURE LATERAL _ <br /> All orifice must be covered with an orifice shield - 2-4 .5 SoT n'"CmII IU4"PRESSURE LATERAL <br /> qt...,ciA15 Gi9,-;i--\_ (@- d6kett , O_ACt e&-- Uut..QA) <br /> ,k_o r sco_so mow_ LA. k n CR-3- <br /> r.,- ASS Q <br /> 4 <br />