csah 101csah 101 reconstruction project - sociologyusers.soc.umn.edu/~rea/documents/large bushaway...
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CSAH 101CSAH 101Reconstruction Project
Wayzata Task Force Meetingy gSeptember 3, 2009
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Agenda
7 00 “R I t d ti ”7:00 “Re-Introductions”7:05 2008 Activity Recap / 2009 Activities-to-datey p7:10 Discussion of Layout Revisions
( 12/16/08 St t t)(per 12/16/08 Statement)7:50 Discuss Next Stepsp8:00 Adjourn
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2008 Activity Recap
• Task Force Meetings June – SeptemberD t il d T S N b• Detailed Tree Survey – November
• Position Statement - December
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2009 Activities-To-Date
• Layout Modifications (May – Present)• Meeting with City Staff (Wayzata/Minnetonka)• Meeting with City Staff (Wayzata/Minnetonka)
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Layout Revisions Discussion Typical Sectionsyp
Position Statement #1 2-Lane footprint through Wayzata except Locust Hills, McGinty and US 12 I t ti
√Intersections
Position Statement #2 Boulevard minimum dimension 10’ → 6’ √
Position Statement #3 Narrow the trail for historic homes road/trail doesn’t conflict with historic h
Xhomes
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Layout Revisions Discussion McGinty Intersectiony
Position Statement #4 McGinty/Eastman Alignment Review Options
Position Statement #5 Prefer 4-way signalized intersection, consider one lane roundabout
Review / Discuss
Position Statement #7 New bridge should reflect features of Grays Bay, Locust Hills Bridges (stonework, arches)
√g ( )
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SW Aerial Perspective - Existing
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SW Aerial Perspective – Roundabout
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SW Aerial Perspective – 4 Way Signal North
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SW Aerial Perspective – 4 Way Signal South
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NE Aerial Perspective - Existing
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NE Aerial Perspective – Roundabout
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NE Aerial Perspective – 4 Way Signal North
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NE Aerial Perspective – 4 Way Signal South
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View Looking South from 324 BushawayExistingExisting
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View Looking South from 324 BushawayRoundabout
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View Looking South from 324 Bushaway 4 Way Signal Northy g
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View Looking South from 324 Bushaway 4 Way Signal South4 Way Signal South
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View Looking North from 405 BushawayExistingg
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View Looking North from 405 BushawayRoundabout
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View Looking North from 405 Bushaway 4 Way Signal Northy g
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View Looking North from 405 Bushaway 4 Way Signal Southy g
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View Looking South from Railroad TracksExistingExisting
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View Looking South from Railroad TracksRoundabout
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View Looking South from Railroad Tracks4 Way Signal North4 Way Signal North
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View Looking South from Railroad Tracks4 Way Signal South4 Way Signal South
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Intersection Layout Options Attributes MatrixAttributes Matrix
4 Way Signal – 4 Way Signal -Roundabout
y gNorth
y gSouth
Total Layout Impervious Area (roadway) 5.0 acres 5.4 acres 5.4 acres
Retaining Wall Area 22,000 SF 25,300 SF 29,600 SF
Bridge Deck Area 20,500 SF 9,400 SF 9,400 SFTotal Trees Impacted 370 360 340
Traffic Operations, LOS, Ave Delay LOS-A, 4 seconds LOS-C, 24 seconds LOS-C, 24 seconds
Yacht Club Parking Impacts land swap – none land swap – minor medium Yacht Club Parking Impacts land swap – none land swap – minor medium
Speed through intersection 15-20 MPH 35MPH + 35MPH +Construction Cost (Wayzata Segment) $10.9M $9.1M $10.0M
Potential Tree Buffer to south (1450, 401) Yes YesNo - Large Retaining
Wall
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Intersection Layout Options Attributes MatrixAttributes Matrix
4 Way SignalRoundabout 4 Way Signal - North
4 Way Signal -South
Driveway Impacts(access / slopes /
encroachment)(access / slopes /
encroachment)(access / slopes /
encroachment)Driveway Impacts encroachment) encroachment) encroachment)321 Bushaway (south
driveway) (9.0%) full/15%*/70 ft. RIRO/15%/70 ft. RIRO/15%/70 ft.*321 Bushaway (north
d i ) (7 0%) f ll/10%/25 ft f ll/10%/75 ft f ll/10%/65 ftdriveway) (7.0%) full/10%/25 ft. full/10%/75 ft. full/10%/65 ft.324 Bushaway (9.0%) full/3%/50 ft. full/3%30 ft. full/3%/50 ft.1450 Eastman Lane full/7%/5 ft. full/9%/5 ft. Not Feasible *401Bushaway/1450 Eastman full/5%/5 ft full/4%/5 ft full/10%/60 ft *401Bushaway/1450 Eastman full/5%/5 ft. full/4%/5 ft. full/10%/60 ft. 405 Bushaway (4.0%) full/10%/30 ft. RIRO/10%/50 ft. RIRO/10%/90 ft.421 Bushaway (2.0%) full/4%/15 ft. RIRO/10%/10 ft. RIRO/10%/10 ft.
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Layout Revisions Discussion Miscellaneous
P iti P t ti f B h hPosition Statement #6
Protection of Bushaway homes, fences and walls
Potential Conflicts:620,630 Bushaway Fence inside ROW (not historic)
639 Bushaway Driveway entrance stone wall inside ROWinside ROW
231,401 Bushaway Fence (new retaining wall), y ( g )
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Layout Revisions Discussion Typical Sectionsyp ca Sec o s
Position Statement #8 Minimize number and size of retaining walls
Discuss
Position Statement #9 No tree removal until plans finalized √
Position Statement #10 Independent traffic analysis Discuss
Position Statement #11 Provide field staking of roadway √
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Next StepsNext Steps
• Select Preferred Intersection OptionSelect Preferred Intersection Option• Select LaSalle Intersection Option
R fi L t f t i t d ll l ti• Refine Layout footprint and wall locations• Field Stake Curb Lines• Refine Bridge and Wall design aesthetics • Formal Action by Council to Approve LayoutFormal Action by Council to Approve Layout