codorus creek flood risk management project - …...apr 10, 2018 · • project to repair other...
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“The views, opinions and findings contained in this report are those of the authors(s) and should not be construed as an official Department of the Army position, policy or decision, unless so designated by other official documentation.”
Ray Tracy, P.E.Civil Engineering Section, Baltimore District10 April 2018
CODORUS CREEK FLOOD RISK MANAGEMENT PROJECT -STAKEHOLDERS MEETING
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File Name
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LEVEE SAFETY PROGRAM
Working to better understand, prioritize and manage flood risks associated with levees
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LEVEE SAFETY PROGRAMAssessing the integrity and viability of levees and recommend actions to assure that levee systems do not present unacceptable risks to the public, property, and the environment
Three goals:(1)Reduce risk and
increase public safetythrough an informed public
(2)Develop clear national levee safety policy and standards
(3)Maintain sustainable flood risk management systems that meet public safety needs
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INSPECTION OF LEVEES AND CHANNELS
Inspections• Annual routine inspections• Periodic comprehensive
inspections – every 5 years• Special circumstances (major
flooding)
Civil Works structures are inspected and evaluated to ensure their structural stability, safety and operational condition.
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LEVEE SAFETY PROGRAM BACKGROUND - NATIONAL
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BALTIMORE DISTRICT FLOOD RISK MANAGEMENT PROJECTS
Projects located in:► Maryland► New York► Pennsylvania► Virginia► West Virginia► District of Columbia
Map Legend:Federal ProjectNon-federal Project
150 miles of federally constructed levees
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NEW NATIONAL LEVEE DATABASE
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WHY ENGAGE IN RISK COMMUNICATION?
• Residual Risk is Real
• Reduce damages and losses
• Ethical obligation to share information
• Empower people to make informed decisions
• Responsible use of resources
Levees help manage risk. They do not eliminate risk.
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CODORUS CREEK COMPREHENSIVE PLANThe purpose is to identify potential work items in an effort to further our goal of
improving operation and maintenance of the Codorus Creek Project.
Potential work items include:• Repair masonry floodwalls• Remove shoaling and vegetation from Codorus Creek channel• Repair or replace riprap• Rehabilitate Loucks Mill levee at downstream tie-in to railroad embankment• Monitor floodwall near bascule dam and repair if needed• Rehabilitate Southeast levee between Grantley Road and Tyler Run• Rehabilitate Willis Run levee and floodwall• Abandon conduit that runs parallel to the levee at upstream end of the West
Downtown levee• Remove rubble fill from West Downtown levee at former public housing
site
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CODORUS CREEK COMPREHENSIVE PLANRepair masonry floodwalls – repoint, repair or replace stone masonry walls as needed
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CODORUS CREEK COMPREHENSIVE PLANRemove shoaling and vegetation from Codorus Creek to restore the channel to its original design
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CODORUS CREEK COMPREHENSIVE PLANRepair or replace riprap along levee embankments
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CODORUS CREEK COMPREHENSIVE PLANRehabilitate Loucks Mill levee at downstream tie-in to railroad embankment
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CODORUS CREEK COMPREHENSIVE PLANMonitor floodwall near bascule dam and repair if needed
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CODORUS CREEK COMPREHENSIVE PLANRehabilitate Southeast levee between Grantley Road and Tyler Run
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CODORUS CREEK COMPREHENSIVE PLANRehabilitate Willis Run levee and floodwall
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CODORUS CREEK COMPREHENSIVE PLANAbandon conduit that runs parallel to the levee at upstream end of the West Downtown levee
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CODORUS CREEK COMPREHENSIVE PLAN Remove rubble fill from West Downtown levee at former public housing site
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“The views, opinions and findings contained in this report are those of the authors(s) and should not be construed as an official Department of the Army position, policy or decision, unless so designated by other official documentation.”
Fred Kimble, Project ManagerU.S. Army Corps of EngineersBaltimore District20 April 2018
INDIAN ROCK DAM-CODORUS CREEK REHABILITATION
PROJECT YORK, PA
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TASK 1 – REPLACE PENN STREET FLOODWALL
• Project to replace current failing concrete floodwall• 30% design complete• Award design contract (April 2018)• Award construction contract (June 2019)
• Coordination requirements• York College building encroachment (demolition)• Construction and access easements• Future Operations & Maintenance easements
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Penn Street floodwall
Looking downstream
Looking upstream
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TASK 2 – REPAIR FLOODWALL BULGE AND INSTABILITY ISSUES NEAR MARKET STREET BRIDGE
• Largest bulging area collapsed and was repaired 26-28 February 2018 (approx. 6ft X 5ft)
• Project to repair other bulging areas and provide overall stabilization
• Award design contract (April 2018)• Award construction contract (September 2018)
• Other issues at project site• Encroachment (buildings, trees, etc.) • No Operations and Maintenance easements
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25Bulge near Market St. bridge
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Instability issues near Market St. bridge
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TASK 3 – INSTALL RIPRAP
• Install riprap and/or stabilize levee embankment at the upstream end of the southeast levee system near the South Richland Avenue Bridge
• Award design contract (April 2018)• Award construction contract (September 2018)
• Coordination requirements• Construction and access right of entry/easements• Future Operations & Maintenance easements
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Riprap repair near Richland Ave.
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TASK 4 – CLEAN, INSPECT, REPAIR AND REPLACE DRAINAGE PIPES
• 170 of 270 levee system drainage pipes have been inspected
• Award a contract to clean and inspect the remaining 100 pipes
• Contract award (April 2018)• Award a contract to repair, replace or abandon drainage
pipes based on inspection results• Contract award (May 2019)
• Other issues• Determination of pipe ownership and need
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Drain pipes along the project
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TASK 5 – COMPREHENSIVE PLAN
• Conduct stakeholder meeting (10 April)• Develop long-term comprehensive plan for the levee
system• Will capture federal and non-federal requirements in
and around the levee system• Periodic inspections, 8 system screenings, shoaling,
overgrowth, levee dams, development, dumping, etc.• The plan will be used for USACE prioritization and
budgeting• Final plan completion (October 2018)
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32Indian Rock Dam - Codorus Creek Rehabilitation Project Schedule Summary (Mar 18)USACE-NAB
TASK DESCRIPTION PLANSTART
PLANEND J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S
Execute Environmental Requirements 12/1/2017 7/31/2018
Replace Floodwall (Penn Street) 10/1/2017 12/15/2020
1 - Develop SOW for A/E task order 12/1/2017 4/19/2018
2 - Award A/E contract - complete design 4/20/2018 3/18/2019
3 - Acquire Real Estate instruments 6/26/2018 2/26/2019
4 - Award construction contract 4/18/2019 6/11/2019
5 - Complete construction 7/16/2019 12/15/2020
Repair Bulge (near Market Street) 10/1/2017 11/5/2019
1 - Develop SOW for A/E task order 12/1/2017 4/19/2018
2 - Award A/E contract - complete design 4/20/2018 8/6/2018
3 - Award construction contract 9/5/2018 9/20/2018
4 - Complete construction 10/31/2018 11/5/2019
Clean and Inspect Drain Conduits 10/1/2017 9/26/2018
1 - Develop solicitation package (ID/IQ) 12/1/2017 4/6/2018
2- Contract award (fieldwork and report delivery) 4/7/2018 9/26/2018
Repair and Replace Drain Conduits 10/1/2018 7/24/2020
1 - Develop solicitation package (ID/IQ) 9/27/2018 5/16/2019
2 - Contract award 5/17/2019 7/24/2020
Prepare Comprehensive Plan 10/1/2017 10/22/2018
1 - Plan and conduct charrette - York, PA 11/1/2017 4/10/2018
2 - Prepare charrette report 4/11/2018 6/11/2018
3 - Develop Comprehensive Plan 6/12/2018 10/22/2018
Install Riprap 10/1/2017 10/9/2019
1 - Develop SOW for A/E contract 12/1/2017 4/19/2018
2 - Award A/E contract - complete design 4/20/2018 7/31/2018
3- Award construction contract 8/29/2018 9/14/2018
2 - Complete construction 10/25/2018 10/9/2019
20202017 2018 2019
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QUESTIONS?
File Name
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Fred KimbleProject Manager | Section 408 Coordinator U.S. Army Corps of Engineers, Baltimore District [email protected]