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This Solicitation opportunity from Maryland was posted on October 26, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Cobb Island and Hill Road Pump Station Improvements (UN 1308\UN 1309)

Closed
27-010State & Local

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The Board of Commissioners for Charles County, Maryland, is soliciting bids for construction services to improve the Cobb Island and Hill Road sewage pump stations. The scope of work involves the demolition of existing mechanical and electrical equipment from the 1980s and the installation of new process mechanical piping, submersible pumps, HVAC, electrical and control systems, and interior coatings for wet wells and valve vaults. Additional requirements include the installation of new odor control systems, electrical and instrumentation canopies, and civil site work encompassing temporary bypass pumping, erosion and sediment control, final grading, and paving. Specific technical mandates include the use of Type 316 stainless steel for hardware inside manholes and wet wells, and compliance with NEC Class I, Division 1, Group C and D standards for hazardous locations. The contract will be awarded to the lowest responsive and responsible bidder based on the sum of base bid items and contingency items. Bidders must provide a five percent bid bond and demonstrate technical competency through an experience form listing three similar projects. The project is subject to Maryland state law, prevailing wage requirements, and a 9.5 percent MWBE goal. Once awarded, the contractor must submit a schedule of values within ten days of the construction schedule. Payments are issued monthly, subject to a five percent deduction. The completed work is subject to a one-year warranty from the date of final acceptance, and the contractor must provide performance and labor bonds to guarantee fulfillment of the contract.

General Info

Charles County seeks bids for sewage pump station improvements at Cobb Island and Hill.

Documents

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PDF, High priority: read this first55 pages · itb
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PDF, High priority: read this firstspecifications
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PDF, High priority: read this first28 pages · specifications
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PDF, High priority: read this firstamendment
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PDF, High priority: read this firstspecifications
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PDF, High priority: read this firstspecifications
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PDF, High priority: read this firstamendment
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PDF, High priority: read this first437 pages · specifications
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PDF, High priority: read this first437 pages · specifications
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PDF, High priority: read this first28 pages · specifications
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PDF, High priority: read this first2 pages · contract-document
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PDF, Low prioritypre-bid-minutes
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PDF, Low priorityattendance-roster
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PDF, Low prioritysite-visit-roster
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PDF, Low priority2 pages · bond
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PDF, Low priority7 pages · closeout-documents
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Timeline

2 updates
PhaseClosed
Posted

Solicitation

Deadline changed

Response deadline changed from Oct 28, 2026 to Oct 30, 2026.

Notice updated

Response deadline changed from Oct 30, 2026 to Nov 4, 2026. The notice description changed.

Response Deadline

Deadline has passed

Submission Closed

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Organization & Contact Information

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AgencyMaryland → DPW - Capital Project Management
Contacts2 people available
OfficeLa Plata, MD, 20646, USA
Office AddressLa Plata, MD, 20646, USA
Contacts
Esther MitchellProject Manager II
Latasha MinorSenior Procurement Specialist

Interested Companies (42)

Aarow Electrical SolutionsCharlotte Hall, MD
AggtransHanover, MD
American Contracting & Environmental ServicesMarriottsville, MD

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Full Description

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The Board of Commissioners for Charles County seeks qualified contractors to provide construction services to improve two (2) sewage pump stations (Cobb Island and Hill Road) in Charles County, MD. The project includes but is not limited to the following: demolition of the existing mechanical and electrical equipment; new process mechanical piping, equipment; civil site work and temporary bypass pumping; electrical work; instrumentation and system integration at Cobb Island Sewage Pump Station and Hill Road Sewage Pump Station. Cobb Island Sewage Pump Station is located at 15255 Potomac River Dr. Cobb Island, Maryland. Hill Road Sewage Pump Station is located at 13250 Hill Rd. Newburg, Maryland.
Official Notice #1: Optional Pre-Bid Meeting Attendance Roster and Minutes: Attachments: ITB_27-010_-_Pre_Bid_Meeting_Attendance_Roster_-_261005.pdf, ITB_27-010_-_Pre_Bid_Meeting_Minutes_-_261005.pdf
Addendum #1: Please use the See What Changed link to view all the changes made by this addendum. Attachments: ITB_27-010_Addendum_1_Final_-_261023.pdf, Appendix_A_-_Revised_Sheets_S-3,_M-2,_and_M-4.pdf, Appendix_B_-_Revised_Pages_01400-1_13220-3.pdf, Appendix_D_-_Revised_Pages_01400-1_13220-3.pdf, Appendix_C_-_Revised_Sheets_S-3,_M-2,_and_M-4.pdf, CI_Manhole_Attachment_1.pdf
Official Notice #2: Optional Site Visit Attendance Roster: Attachments: ITB_27-010_-_Site_Visit_Attendance_Roster_-_261008.pdf
Addendum #2: Please use the See What Changed link to view all the changes made by this addendum. Attachments: ITB_27-010_Addendum_2_Final_-_261026.pdf, 03013_-_Rehabilitation_of_Concrete_Cobb_Island_SPS.pdf, 05500_Amendment_-_Miscellaneous_Metals_Cobb_Island_SPS.pdf, 03013_-_Rehabilitation_of_Concrete_Hill_Road_SPS.pdf, 05500_Amendment_-_Miscellaneous_Metals_Hill_Road_SPS.pdf

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