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Aw.rhso store <br />eiates Technical Memorandum <br />• 48-itch Sleel Pipe <br />r <br />'Alluvium <br />? ,r.,Y r? ??5.?( Y` ? .? `?Y ^? ?C ^ ??: I ( I I `? .? i ?i`.% kYvY?K.. 3-.'. :?^c ` • r?`? ?' ? ?Y{}??;. c._?y?/?? r:) <br />-.•? •'_ _' .i i I st • ..J .' - I• ? -r? ?. 1 h 1 ?.,• `_L...• ? ?..! n_ .i.? ?.! 7. _.' <br />I I' 1 1 'I 1 i I <br />I I ,, MI I -,,,Bedrock., 11 _?_i_I <br />Figure 9. Generalized Sump Design <br />Table Z Preliminary Volume and Material Estimates <br />Sump Specifications: <br />Depth bgs: 15 ft <br />Stickup ags: 1 ft <br />Diameter: 4 ft <br />Material: Steel <br />Length of blank: 12 ft <br />Length of louvers: 4 ft <br />Excavation/Backfill: <br />Depth bgs: 15 ft <br />Diameter: 12 ft <br />Volume excavated: 1,696 ft3 <br />Volume excavated: 63 cyds <br />Backfill volume: 942 ft3 <br />Backfill volume: 35 cyds <br />French Drain (2 each): <br />Bottom Depth bgs: 15 ft <br />Width 2 ft <br />Length 30 ft <br />Volume excavated: 900 ft3 <br />Volume excavated: 33 cyds <br />Geotextile: 60 fin. ft <br />4109C.101001 2