filing cabinet with brightly colored folders

Leading the way in environmental infrastructure maintenance

Mobile Dredging & Video Pipe has been providing superior service to the greater Philadelphia area for decades. As one of the Carylon companies, we have the resources and expertise to successfully complete even the most demanding projects safely, on time, and on budget.

Browse below to see some examples of our past performance.

Amos Fly Ash Pond Closure

  • Hydraulic Dredging

MDVP utilized a 12″ cutter suction dredge to hydraulically dredge approximately 500,000 CY of fly ash to create a series of channels on this pond closure project. MDVP strategically placed the dredged sediments throughout the pond to facilitate follow-up capping. […]

Read More…

Avalon Hydraulic Dredging

  • Hydraulic Dredging

Borough of Avalon 2014 Back Bay Dredging Maintenance Dredging Project. MDVP provided a 14 inch hydraulic cutter suction dredge, booster pump and 14,000 feet of pipeline and crew to dredge the Back Bay of Avalon, NJ. The channel and coves had shoaled in with sandy sediments from Hurricane Sandy and the sediments needed to be removed for safe access for public boating. Approximately, 80,000 cubic yards were dredged including material from private slip owners and placed in a confined disposal facility. […]

Read More…

Beneficial Reuse of Sediments

  • Hauling Disposal and Reuse of Residuals

Montgomery County Department of Environmental Protection operates and maintains Lake Whetstone and Gunners Lake to provide storm water management for adjacent residential communities and for recreational and aesthetic purposes to be enjoyed by County residents. In 2014, it was determined that sediments had to be removed from the Lakes in order to maintain their capability to receive storm water runoff while also allowing for their continued recreational use. […]

Read More…

Forest Hill Lake Excavation

  • Excavation & Site Restoration

Forest Hill lake project finished under budget, early The lake is back in Forest Hill Park—under budget and ahead of schedule. “That’s what you call a successful project,“ said Eric Zeigler, excavation manager for Metropolitan Environmental Services Inc., an Ohio-based company that did the work in five months instead of six. The lake, more than […]

Read More…

Large Diameter Sewer Cleaning

  • Sewer Cleaning

The City of Sunbury advertised for bids a cleaning of an 8 foot combined box culvert sewer and Mobile Dredging and Video Pipe was awarded the contract. The scope of work included removing debris from the sewer and transporting the debris to the WWTP for staging. This work was performed using two 170 GPM combination Jet Vac trucks. MDVP cleaned 2500 linear feet of sewer removing 600 tons of sewer debris. The City of Sunbury gained additional capacity in the sewer which was their goal. […]

Read More…

Lower Crum Creek Reservoir Dredging

  • Hydraulic Dredging
  • Sludge/Sediment Dewatering

In the first phase of the contract, MDVP utilized an 8 inch swinging ladder hydraulic dredge to remove approximately 6,500 cubic yards of sediment and organics for the Lower Crum Creek Reservoir in Media, PA. […]

Read More…

Nassau County Sludge Dewatering

  • Sludge/Sediment Dewatering

The Bay Park Sewage Treatment Plant of Nassau County was devastated by superstorm Sandy in 2012 and Nassau County, NY issued an emergency bid for sludge dewatering services for this facility.   Mobile Dredging & Video Pipe, Inc. (MDVP) won this contract which includes design, construction and operation of the sludge dewatering facilities for this 50 MGD wastewater treatment plant. […]

Read More…

New Jersey Department of Transportation

  • Hydraulic Dredging
  • Sludge/Sediment Dewatering

MDVP hydraulically dredged 48,900 cubic yards from the navigation channel at St. Georges Thorofare. The dredged material was pumped to the beach in Absecon Inlet located in Brigantine, NJ. A bulldozer was used to contour the fill to match the existing beach elevations and natural slopes. […]

Read More…

Power Plant Boiler Outage

  • Hydro Blasting
  • Sludge/Sediment Dewatering
  • Wet/Dry Vacuum Cleaning

Covanta had a scheduled full boiler outage in October 2017. The scope of work included ash removal in the baghouse area, sifting conveyers, ram and additional hopper cleaning throughout the facility. The work also included water blasting other key areas, so rehab work could be performed. These areas were the Quench reactor and the slurry tank. The surfaces were cleaned using water pressure of 10,000PSI to remove the accumulated ash and lime. All work was performed on time which resulted in on time facility start-up. […]

Read More…

Sanitary Sewer Joint & Lateral Testing and Sealing

  • Lateral Service Line Testing

Mobile Dredging and Video Pipe works under a multi-year maintenance contract with New Castle County to perform testing and sealing of sanitary sewer joints and laterals. Under the supervision of Arcadis,  16,000 LF of 8” sanitary sewer (3,700 joints and 220 laterals) were tested and sealed in 2017.  AV-100 acrylamide grout was used during the sealing process. […]

Read More…

Sewer Cleaning & Televising

  • Sewer Cleaning

Mobile Dredging and Video Pipe completed The City of Wilmington’s Phase 7 Cleaning and Televising Contract having completed Phases 1 through 6 over the previous ten-year period.  76,000 LF of 8-60” combined and sanitary sewers were cleaned and televised in five sewer sheds throughout the city.  As an add-alternate to this bid, over 4,000 inlets were inspected and 200 cleaned. The work took place in residential neighborhoods, downtown business areas and even a cemetery. […]

Read More…

Shark River Channel Improvements

  • Hydraulic Dredging
  • Sludge/Sediment Dewatering

The scope of work included dredging and dewatering of 102,000 cubic yards of sediment. Work was performed dredging with a 10 inch swinging ladder dredge pumping through over 6,000 feet of pipeline. Sediment dewatering was accomplished by using geosynthetic tubes, and mechanical dewatering equipment (dewatering screens, hydrocyclones, clarifiers and belt filter presses). The dewatered material was utilized for landfill cover while a portion of the sand was beneficially reused to restore a beach. […]

Read More…

Silver Lake Phase IV Dredging

  • Hydraulic Dredging

MDVP hydraulically dredged 150,000 cubic yards of sediment from Silver Lake. Sediment was pumped approximately 6,400 feet to a CDF. Effluent from the CDF was treated with a polymer to achieve strict lake water quality standards. […]

Read More…