Download - the Beneficial Use of dredged Materials
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New Jersey Dept. of TransportationNew Jersey Dept. of Transportation
Office of Maritime ResourcesOffice of Maritime Resources
The Beneficial UseThe Beneficial UseThe Beneficial UseThe Beneficial Use
Of Dredged MaterialOf Dredged Material
FromFrom CDFsCDFs::
Yes, We Can!Yes, We Can!
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Raw Dredged MaterialRaw Dredged Material
Sand, silt or clay particles
Landside runoff
Storm events
Periodic removal required
Not soil, must be amended before used
as soil
May contain contaminants
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Processed Dredged MaterialProcessed Dredged Material
Over 13 million cubic yards placed, and still going strong!Over 13 million cubic yards placed, and still going strong!
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Highway Construction using PDMHighway Construction using PDM
80,000 cyd dredged material
2 monitored berms
Settlement, strength and workabilityg y
No significant environmentalimpacts or human health exposureconcerns
$8/cyd cost escalation overconventional materials
Best if placed immediately; requiresremixing if stored
Heavily impacted by freeze/thaw
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Scott’s Top 10 Common Myths andScott’s Top 10 Common Myths andMisconceptions about Dredged MaterialMisconceptions about Dredged Material
1. All dredged material is contaminated.
2. Dredged material is a solid waste.
3. Dredged material does not meet NJDOT specifications.
D d d t i l l b d t t l fill4. Dredged material can only be used as non-structural fill.
5. NJDOT will not give me contracts if I use dredgedmaterial.
6. NJDEP will slow down my permit if I use dredgedmaterial.
7. I must have water access to receive dredged material.
8. I will have to amend the material before I can use it.
9. The stuff they take out of the river is “useless spoils”.
10. All dredged material is black mayonnaise.
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Dredging EquipmentDredging Equipment
Trailing suction hopperBackhoe (for rock)
Cutterhead pipeline
Clamshell (for mud)
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Confined Upland DisposalConfined Upland Disposal
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Old Confined Disposal FacilitiesOld Confined Disposal Facilities
Resource for
construction
materialsmaterials
AND
Resource for
future
dredged
material
management
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Free Fill!!Free Fill!!
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Palmyra Cove CDFPalmyra Cove CDF
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Tweeter CenterTweeter Center220,000220,000 cydcyd
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Palmyra Cove Beneficial UsePalmyra Cove Beneficial UseTechnology CampusTechnology Campus
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Applications forApplications forPalmyra Cove MaterialPalmyra Cove Material
Most material met NJDOT
specifications for grades I-11, I-
12 I 1312, I-13
Roadway sub-base
Embankment fill
Retaining wall backfill
Pipe trench bedding
General Earth Fill
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Burlington CountyBurlington CountyResource Recovery ComplexResource Recovery Complex15,00015,000 cydcyd
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Route 29Route 29Blended TopsoilBlended Topsoil29002900 cydcyd
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Harrison Avenue LandfillHarrison Avenue Landfill180,000180,000 cydcyd (pending)(pending)
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National Park CDFNational Park CDF
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RiverwindsRiverwinds Golf CourseGolf Course150,000150,000 cydcyd
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Cape May Canal CDF “C”Cape May Canal CDF “C”
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HarbisonHarbison--Walker (Walker (MagnesiteMagnesite))190,000190,000 cydcyd
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Fort Mifflin CDFFort Mifflin CDF
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Philadelphia AirportPhiladelphia Airport1,200,0001,200,000 cydcyd
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Coal Strip Mine, Tamaqua PACoal Strip Mine, Tamaqua PA550,000550,000 cydcyd
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Belford LandfillBelford Landfill200,000200,000 cydcyd
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“N61” CDF“N61” CDF
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Atlantic Highlands CDFAtlantic Highlands CDF
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Monmouth Cove Marina CDFMonmouth Cove Marina CDF
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NJ Turnpike Exit 1NJ Turnpike Exit 1180,000180,000 cydcyd
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Neptune LandfillNeptune Landfill100,000100,000 cydcyd
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Separation FacilitiesSeparation Facilities
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Separation PilotSeparation PilotCape MayCape May
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BayshoreBayshore RecyclingRecycling
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Burlington Island CDFBurlington Island CDF
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Sampling PointsSampling PointsCell A
76.4% Sand
23.6% Silt/Clay
900,000 cyd
Cell B
20.2% Sand
79.8% Silt/Clay
1,400,000 cyd
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The Bottom LineThe Bottom Line
Dredged material can and has been used
across the region in projects ranging
from highway construction to mineg y
reclamation.
Dredged material is readily available.
The State of NJ encourages the use of
dredged material whenever and wherever
possible.
NJDOT-OMR can assist you in using
dm in your project.