shipley’s hoie dam rehailitation
TRANSCRIPT
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SHIPLEY’S CHOICE DAM REHABILITATION PROJECT UPDATE
Greater Severna Park Council Meeting
February 13, 2018
Presentors Sheri Lott – Engineering Manager Larry Mathena – Project Manager
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Agenda
1. Project Background
2. Project Features
3. Road Closure
4. Recent Activities
5. Schedule
6. Project Updates to HOAs
7. Questions
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Project Background – Shipley’s Dam
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• Dam built in 1980
• Seepage & Settlement Issues
• MDE deemed dam unsafe & directs County to remove
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Project Background – Construction Phases
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Phase 1 Culvert Replacement
Phase 2 Shipley’s Dam Removal
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Project Features – Phase 1 Culvert
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New 7’x10’ Concrete Box
Culvert
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Road Closure – Detour Plan
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Road Closed between Pixie Dr & Severnside Dr
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Project Features – Phase 2 Dam Removal
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Stream Restoration
Dam Removal & Regrading
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Recent Activities – Overhead Line Relocation on West Benfield Road
• Temp. Relocate OH Line around New Culvert
• BGE, Comcast, Verizon to relocate lines
• OH lines replaced after Culvert construction
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Recent Activities – Overhead Line Relocation
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Recent Activities – Coordination w/ BGE Gas Line Relocation
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Recent Activities – Preconstruction Home Surveys
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23 Properties within 500’ of new culvert
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Recent Activities – Preconstruction Home Surveys
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• Home surveys conducted by County’s contractor Seismic Surveys
• Preconstruction survey of homes and other structures – Document existing conditions
• Post-construction survey also conducted
• Need pre/post surveys to help determine if damage occurred during construction
• Vibration levels will be monitored during pile driving operations
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Tentative Schedule
• Late Feb Tree trim for OH line relocation W Benfield Rd
• Early Mar BGE sets new poles and relocates overhead line
• Mid Mar Comcast & Verizon relocate their overhead lines
• Mid Mar Shipley’s Dam construction project put out to bid
• Mid May Construction Contract Award; Contractor submits schedule • Early Jun Construction begins w/ Culvert on W. Benfield Rd
W. Benfield Rd Closed 4 – 5 months
• Early 2019 Begin removal of Shipley’s Dam
• Late Summer Construction complete 2019
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Project Updates to HOAs
• Monthly Shipley’s Dam Project Updates will be emailed to the following HOAs & Organizations:
– Shipley’s Choice HOA & Community Assoc, Greater Severna Park Council, Point Field Landing Community Assoc, Crain West, Ben Oaks/Severn River Assoc
• Monthly Proejct Update will include:
– Updated schedule, latest activities, road closure updates
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Questions or Comments?
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