RESERVE BASIN MAINTENANCE DREDGING CONTRACT FOR SITES AT THE PHILDELPHIA NAVY YARD IN THE PUBLIC WORKS DEPARTMENT PENNSYLVANIA AREA OF RESPONSIBILIY

The project consists of maintenance dredging within the North Side (Wharf N) of Reserve Basin and Schuylkill River Access Channel at the Philadelphia Navy Yard. The work includes dredging approximately 96,611 cubic yards of sediment using a sealed environmental clamshell bucket to a minimum depth of -30 MLLW and a maximum over-dredge depth of -32 MLLW. Dredged material from Areas RB-A, RB-C, and RB-D shall be transported by bottom dumping barge or scow and disposed at either the Weeks Marine Whites Rehandling Basin in Logan Township, Gloucester County, New Jersey, or transported by barge and hydraulically unloaded at the Waste Management Corporation Biles Island disposal facility in Morrisville, Bucks County, Pennsylvania. Material from Area RB-A 7/8 must be disposed at Biles Island. The contractor shall remove and dispose of any artificial obstructions and/or debris encountered within the project dredge limits. The project schedule allows for dredging work to be performed 24 hours/7 days per week and requires a minimum daily production rate of 5,000 CY per day. All dredging work shall be completed no later than November 30, 2026.