SHIPLEY’S CHOICE DAM REHABILITATION PROJECT Preconstruction Community Meeting Larry Mathena – Project Manager Anne Arundel County Dept. of Public Works Shipley’s Choice Elementary School September 13, 2018 DPWandYOU.com | Making a difference, together
Agenda 1. Project Background 2 2. Preconstruction Activities 3. Construction Phases & Features 4. Road Closure 5. Planting Plan 6. Construction Schedule 7. Project Updates * Please sign in & 8. Questions grab a handout DPWandYOU.com | Making a difference, together
Project Background – Shipley’s Dam • Dam built in 1981 3 • Seepage & Settlement Issues • MDE deemed dam unsafe & directs County to remove • County worked w/ JMT to complete design for Dam Removal • Construction Contract awarded to Paydirt DPWandYOU.com | Making a difference, together
Preconstruction Activities – Overhead Line Relocation on West Benfield Road • Temp. Relocate OH Line around New Culvert 4 • Street light relocated (Pole to be removed) • BGE, Comcast, Verizon to relocate lines • OH lines replaced after Culvert construction DPWandYOU.com | Making a difference, together
Construction Phases 5 • Construction in 2 Phases Phase 2 • Zoning Shipley’s Dam Removal - R2 - OS Phase 1 Culvert Replacement DPWandYOU.com | Making a difference, together
Phase 1 – Stream Diversion + Erosion & Sediment Control • Place ESC Features • Install stream diversion DPWandYOU.com | Making a difference, together
Phase 1 – Public Utility Relocations Gas, Water, Force Main, Sanitary/Storm Sewers • Utility Bypasses • No interruption in service • Existing/New Culverts in Red DPWandYOU.com | Making a difference, together
Phase 1 – Remove Ex. Culvert + Install New Culvert New 7’x10’ Concrete Box Culvert DPWandYOU.com | Making a difference, together
Phase 1 – New Culvert Profile DPWandYOU.com | Making a difference, together
Pile Driving & Preconstruction Home Surveys • Home surveys conducted by County’s contractor Seismic Surveys 10 • 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 Pile Driving for Culvert • Required due to soft subsoil • 78 Concrete Piles to be used • Daytime work only • Vibration levels will be monitored DPWandYOU.com | Making a difference, together
Phase 1 – In Stream Work + Grading DPWandYOU.com | Making a difference, together
Phase 1 Road Closure Detour Plan 12 • W Benfield Road closed 6+ months • Sign posted 2 weeks before closing • Paydirt proposing change to Precast Culvert – Could save time • County Traffic Engineer will consider signal Road Closed between Pixie Dr changes (will monitor & Severnside Dr traffic during construction) DPWandYOU.com | Making a difference, together
Phase 2 Dam Removal Oak Stump Dr Cul-de-Sac • Install Filter Logs + Silt Fence • Install Haul Road down to stream • Begin removal of dam embankment Shipley’s Choice Dam DPWandYOU.com | Making a difference, together
Phase 2 Dam Removal • Earth fill from Dam placed along east hillside • Drain along slope to intercept runoff • Bear Branch channel reestablished after outlet pipe removal DPWandYOU.com | Making a difference, together
Phase 1 & 2 – Planting Plan • Seed & Plant disturbed areas • 141 Trees • 493 Shrubs • 1676 Live Stakes DPWandYOU.com | Making a difference, together
Tentative Construction Schedule • Oct 2018 Ph 1 Construction begins w/ Erosion & Sediment Control 16 Utility Relocations/Road Closure • Winter Ph 1 Culvert Installation • Spring 2019 Ph 1 Culvert completed/Road Opened • Summer Ph 2 Dam removal begins • Late Fall 2019 Ph 2 Construction complete * Paydirt will provide Construction Schedule by late Sep DPWandYOU.com | Making a difference, together
Project Updates 17 • Monthly Updates on the Shipley’s Dam Project are 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 Project Update will include: - Updated construction schedule, latest activities, road closure updates • Project Updates may also be found on the County’s Website - For web address, see Handout DPWandYOU.com | Making a difference, together
Contact Info (on Handout) Larry Mathena Alternate POC: Project Manager Greg LeBlanc Same Address Watershed Protection and Restoration Program (410) 222-0043 Anne Arundel County Department of Public Works pwlebl89@aacounty.org 2662 Riva Road, MS 7217 Annapolis, MD 21401 (410) 222-7908 pwmath00@aacounty.org DPWandYOU.com | Making a difference, together
Questions or Comments? 19 DPWandYOU.com | Making a difference, together
Bureau of Highways Bureau of Utility Operations Northern District: (410) 222-6120 Central District: (410) 222-7940 24-Hour Emergency Water Southern District: (410) 222-1933 Services: (410) 222-8400 Traffic Lights/Signs: (410) 222-1940 Billing Inquiries: (410) 222-1144 Bureau of Waste Management Services Bureau of Engineering Bulk Trash Service/Curbside General Inquiries: (410) 222-7500 Collections: (410) 222-6100 DPWandYOU.com | Making a difference, together
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