Marston Lake North Drainageway Public Outreach Marston North - - PowerPoint PPT Presentation

Marston Lake North Drainageway Public Outreach

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Marston North Drainageway at Marston Lake Basin

Jefferson County City and County of Denver

Project Area

Present Day Condition

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Jefferson County City and County Of Denver

Quincy Lake East Lake’s Lake

Overspill risk areas

Marston North Drainageway

S Garrison St W Quincy Ave W Stanford Ave

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After Improvements

Quincy Lake East Lake’s Lake

Areas of Improvement

Reduce overspill risk; Improve recreation; Improve landscape at Quincy Lake Reduce overspill risk; Remove crossing at

• W. Swarthmore Dr.;

New trail crossing Reduce overspill risk; Improve recreation; New trail crossing and natural inlet at Lake’s Lake Make Marston North Drainageway larger, more efficient

W Stanford Ave

Glenbrook Detention Basin Glenbrook Outfall (S Garrison St)

Jefferson County City and County Of Denver Marston North Drainageway

S Garrison St W Quincy Ave

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Schedule of Improvements

Quincy Lake East Lake’s Lake Areas of Improvement W Stanford Ave Jefferson County City and County Of Denver

S Garrison St

• Construction to begin: Early 2019

Construction duration: 6 to 7 months Work will begin Downstream and work Upstream City of Denver and UDFCD will reach out to homeowners adjacent to the work to discuss the improvements

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Quincy Lake Improvements – Befor e & After

PROPOSED

• Landforms promote greater variety in

landscape

• Additional recreational features

EXISTING

KEYMAP Quincy Lake East Lake’s Lake Jeff Co CCD

S Garrison St W Radcliffe Pl

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Quincy Lake Improvements ‐ Proposed

• Additional stormwater capacity reduces overspill risk for 100‐year

design storm “Maintenance Eligible” design per UDFCD standards

• New Loop Path
• Landforms promote greater variety

in landscape

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PROPOSED EXISTING

KEYMAP Jeff Co CCD Quincy Lake East Lake’s Lake

W Swarthmore Drive Improvements

42” x 66”

• Elip. RCP

CCD JEFF CO

• Reduce overspill risk

Make Marston North Drainageway larger, more efficient Maintain accessibility for pedestrians crossing the channel at the low‐water crossing

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Stanford to Balsam Park Improvements

• Landforms promote greater variety in

landscape New, low profile bridge crossing

• EXISTING

PROPOSED DESIGN APPROACH

KEYMAP Quincy Lake East Lake’s Lake Jeff Co CCD

Thank You