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Michael & Kathleen Olsen Plan View & Cross Section Page 3 of 3 <br /> ObservationNent Pipes <br /> Finished Grade= 4 / <br /> Finished Grade— �1 <br /> Slope°f°= C <br /> Original Grade= S, <br /> Original incl Grade <br /> Top of Shell <br /> System Elev. <br /> Treatment and Dispersal Zone <br /> Limiting Factor <br /> ObservationNent pipes to be constructed and <br /> capped with approved materials for the particular use, <br /> GPD 450 / Load Rate 0.7 = 643 Sq. Ft.- 2 End Caps = 5.8 Sq.Ft. <br /> 637.06 Sq. Ft. / EISA 20.0 = 31.853 or 32 Total Quick4 Plus Chambers <br /> OBERVATION/VENT PIPES <br /> 3 Q I2" INFILTRATORS <br /> /So. <br />