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Sent by: I,arth Consultan.s A2Fi 746 0060; 06/19/02 4:58PM;JgIFsx q563;Page 4/10 <br /> Panattoni Development E-1013A <br /> June 19, 2002 Page 3 <br /> The infiltration capability of the soils thruughout the proposed infiltration po�d area <br /> vary both horizontally and vertically. Due to this variability, a representative from ECI <br /> shouid observe the proposed infiltration elevation duriny exr,avation to verify the soils <br /> enr_ountered are as anticipated. <br /> Subsurface Cond�tions <br /> Subsuriace Conditions are prescnted in the followin� loy table: <br /> Test Pit pepth in USCS USDA <br /> Feat Clnssification Classification <br /> TP-1 0-17 SP- grayibrown poorly graded Sand Coarse Sand <br /> TP-2 D-17 SP- Brown poorly qradec� Sand Coarse Sand <br /> TP�3 0-17 5P- Gray/brown poo� qr2ded Sand Coarse Sand <br /> l P-4 0-17 SP- Gra /Y brown poorly graded Sand Coarse Sand <br /> TR-5 0-17 SP- Gray poorly�raded Sand Coarse Sand <br /> � TP-6 0-17 _ SP qray poorly gradcd Sand _ Coarse Sand <br /> 7P-7 0-8 SM- Gray silt sand Fine Sand Loam <br /> TP-E3 O-5 SP- Gray/brown poorly yraded sand Coarse Sand <br /> TP-8 5-8 SM- Gray silt sand Fine Sand Loam <br /> Based on the results oi our explaration and texiural analyses, in our opinion, <br /> infiltration of stormwater and roof runoff will be feasiblr. in the vicinity of Test Pits <br /> TP-1 through TP-6. Rased on tiie textural analysis Infiltracion will not be feasible in <br /> the vicinity of Test Pits "fP-1 and TP-8. <br /> i <br /> Enrth Con.Wtontc. Inc. <br />