NPDES Oak Ridge Park East Stream Restoration

The County Commissioners of Charles County, Maryland are requesting sealed bids for construction services on the NPDES Oak Ridge Park East Stream Restoration project, with bids due October 13, 2026 at 11:00 a.m. A mandatory MWBE subcontractor goal of 29.95 percent applies.

The scope encompasses installation of a stormwater detention facility and stream restoration of approximately 1,400 linear feet of an actively eroding unnamed tributary to Gilbert Run through in-stream and bank stabilization structures, plus stabilization of approximately 120 linear feet of an eroding outfall channel. The project site is located at Oak Ridge Park, 13675 Oaks Road, Hughesville, Charles County, Maryland. All work must comply with Charles County Government's Department of Planning and Growth Management Standards & Specifications for Construction, the Charles County Details Manual, County Ordinances, and applicable Local, State, and Federal regulations. Work includes mobilization and demobilization, clearing and grubbing, site dewatering, unclassified excavation, clay block stream structures with impervious cores, riprap placement, geotextile installation, erosion and sediment control, storm drainage structures, and restoration of paved areas. The contractor must submit a Critical Path Method schedule within 30 calendar days of Notice to Award, with monthly updates thereafter.

Prevailing wage requirements apply, with rates effective September 14, 2026, based on the Notice to Proceed date. The selected contractor must complete all work within 270 consecutive calendar days from Notice to Proceed. A 5 percent Bid Bond from a Maryland-licensed surety is required at bid submission; Performance and Labor & Material Payment Bonds equal to 100 percent of the contract price are required at contract execution.

Bidders must demonstrate a minimum of five years of active engagement and provide at least three representative projects completed within the past five years involving stormwater management facility retrofitting, pond excavation, landscaping, sedimentation and erosion control, and stream restoration structures. Bids remain valid and irrevocable for a minimum of 120 calendar days from the due date. Electronic bid submission is required through the County's eProcurement Portal at https://procurement.opengov.com/portal/charlescountymd. Award will be made to the lowest responsive, responsible bidder based on the sum of Base Bid Items plus Contingency Items, contingent upon completion of the seven-day protest period. A non-mandatory pre-bid meeting via virtual teleconference is scheduled for September 29, 2026 at 10:00 a.m. (registration required by September 28). A non-mandatory site visit is scheduled for September 30, 2026 at 2:00 p.m. Questions are due October 1, 2026 at 4:30 p.m.