National Dredging Quality Management (DQM) Program
Transcript of National Dredging Quality Management (DQM) Program
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National Dredging Quality
Management (DQM) Program
Harbors & Navigation Committee
Meeting
February 13, 2014
Mobile, Alabama
Vern Gwin, Program Director
National DQM Center
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Presentation Outline
What DQM is
History
How it works
Future objectives and
challenges
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National Dredging Quality
Management Program
(DQM)
Location & Movement
Dredge State
Quantity Estimates
Environmental Compliance
Is an automated dredge
contract monitoring system
- a “quality assurance tool”
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Benefits to Government
and Industry Government
24x7 coverage of operations
Valuable data for environmental monitoring compliance
Fast response to public or environmental concerns
Quality Reliable Certified Work Documentation
Improves project management
Flexible scheduling of inspectors
Centralized National Database
Rental Production Monitoring
Industry
Standardized data collection and reporting
Standard base for dispute resolution/avoidance
Reliable digital record of operations/performance
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Program Evolution
Early 1990s
Dredging Research Program
(DRP)
2006 Transitioned to Operational
Today
National Dredging
Quality Management
Program
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Types of Dredges
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Districts Using DQM
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Data Management Process
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Data Management
Process
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Data Management
Process
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Specifications
Contractor-provided sensor and data
requirements-type, number, locations,
Minimum data performance requirements
Data reporting and format
Reference datum(s)
Contractor-provided computer equipment
Certification requirements
QA/QC requirements (pre-dredge and during)
Consistent National Standard
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Positioning System
Open/Close sensor
Draft sensors
Ullage sensors
Drag head depth sensor
Density Meter
Velocity Meter
Pump RPM’s
Computer
Corps Software
receives the data string
Telemetry system
Date and Time
Vessel Longitude & Latitude
Draghead Longitude & Latitude
Dredge Course
Dredge Speed
Dredge Heading
Hull Status
Load Number
Tide (Vertical Correction)
Fore and Aft Draft
Fore and Aft Ullage
Hopper Volume
Displacement
Empty Displacement
Draghead Depths
Slurry Density in Dragarms
Slurry Velocity in Dragarms
Pump RPM
Minimum Pump Effort
Pumping Water
Material Recovery
Pumpout
Hopper Dredge Instrumentation
vs. Data Parameters Transmitted
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DQM Certification
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DQM On-Board Software
(DQMOBS)
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http://dqm.usace.army.mil/
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Jacksonville Harbor
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Snohomish River, WA
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Cleveland Harbor
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Port Everglades
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Pascagoula Harbor
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Standardized
Environmental
Protection
Agency
(EPA)
Reporting
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New Endeavors
Evaluate applicability on cutterhead and
mechanical dredges
Develop web-based tools to meet the needs of
the ever changing dredging manager needs and
requirements.
National Turtle Warehouse/Website
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