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_ <br />- <br />` ',, <br />ES <br />������ U ���� ���� ��� ���y���N �~(����T0(�� e� ������ r �� <br />, "~"~"�"~"^"��`"~"� Pap v�"^'_^~""���&l/ ,�vv"^,��^°n��^«��uuv� """."^~�"� rz��^� <br />Existing soils and hydrologic soil groops June 20l4! <br />- - <br />�»r�|�'��� <br />~ ' <br />l E\ k �� <br />` <br />_j <br />/ <br />� <br />/ . <br />�~-_�- / <br />2,o <br />` <br />WD <br />0 0a <br />.' -':, <br />� ._� <br />�� � <br />,c • <br />,_� <br />~,�z , � ~ <br />' <br />| <br />����� -== <br />-' <br />A/O <br />° /°/ <br />• A/D B/D <br />r����`~:�-��`�'�.r�'�1_:�—~^�- <br />.,I - <br />^ <br />o <br />'. c c c <br />• <br />• <br />\' i:.:__=:=.iI, <br />- � <br />�� <br />^���` ��*- <br />\ <br />� <br />� "_»��. <br />l <br />: c ;=- E c., <br />_ <br />- - <br />Hydrologic Group <br />Group <br />no data <br />Proposed <br />Proposed <br />- Dominant Condition <br />C/D <br />Culverts <br />Channel <br />Right-of-Way <br />Channel 8enefiningAveo <br />Benef|ningArea <br />8enefkdngArea <br />55 <br />72 <br />Ditch <br />Pipeline <br />County Parcels <br />---- <br />----- 100-ft <br />Proposed <br />Lino Lakes <br />Hugo <br />ACD <br />ACD <br />RCWD <br />RCWD <br />R[WDStreom/Rive, <br />Anoka <br />CONCEPTUAL DESIGN NOTES: <br />1. Conceptual alignment shown, exact alignment will be determined based on future <br />hydraulic capacity will be designed to protect existing wetlands and manage floodplain. <br />2. Typical channel cross-section has a 10-ft bottom width with 3H:1V side slopes and <br />3. Storage will be provided in-channel with four 18-inch high ditch blocks to span across <br />event will be contained within the channeL <br />4. Stored water in the channel may be pumped tor irrigation re-use and inffltration fields <br />infiltration of stormwater. <br />PRELIMINARY ESTIMATED COSTS: <br />• Jacking 48-in RCP under 35E - 300 LF @ $1,400/LF = $420,000 <br />'72'|n RCP under Co. R6J4-8OLF@ $180/LF=$14,400 <br />' 72-in RCP under Peltier Lake Dr - 75 LF �� $180/LF = �l3�O <br />.~ ' � <br />' Channel excavation -5OO,000(�Y�� $6.00/[Y = $3,000,000 <br />• Preliminary cost per acre benefitYed = $4,500 to $5/600 <br />development plans and to avoid wetlands. Final inverts and <br />an average depth of 10-ft with O.196 longitudinal slope. <br />the channel, it is anticipated that the 100-yeor 24-hour runoff <br />may be established along fhe channel fo maximize the <br />^ <br />[) l/2{)O <br />�� r--� ��� <br />( | F����t ,----' <br />