Site work for a bridge / tunnel in Baltimore, Maryland. Completed plans call for site work for a bridge / tunnel.

The work to be performed under this contract is located at the Fort McHenry Tunnel on I-95 in Baltimore City. The work location is the Southbound (SB) and Northbound (NB) roadways designated as Bores 1 and 2 (SB) and Bores 3 and 4 (SB). The scope of work includes but is not limited to the following items: 1. Furnish and install precast or cast-in-place concrete retaining wall cap segments onto the existing retaining wall along each approach. 2. Clean and paint corroded structural steel. 3. Clean the existing fresh air duct supply vents. 4. Remove existing unsound concrete; clean and apply protective coating to existing reinforcing steel, replace reinforcing steel, place new concrete. 5. Repair the damaged fresh air duct supply vents, remove existing concrete, install new joint armoring and reinforcing steel, cast ultra-high performance concrete. 6. Remove and replace ITS antenna support brackets. 7. Install supplementary hanger cables in the Upper Plenum. 8. Repair or Relocate the existing hangers at various locations throughout the Upper Plenum. 9. Repair or replace the pedestrian railing posts, supports, or rails. 10. Replace or repair the broken junction box covers. 11. Replace the ceiling panel joint seals. 12. Replace the concrete ceiling panel. 13. Replace doors at various locations. 14. Replace existing hangers at various locations throughout the Upper Plenum. 15. Replace Haunch Panels. 16. Replace leaking elastomeric joints. 17. Remove and replace tiles. 18. Replace or tighten hardware at various location throughout the Bores. 19. Power wash and Seal the Brick Retaining Walls. 20. Reset the Concrete Ceiling Panels. 21. Reset the Haunch Ceiling Panels. 22. Replace Drain Inlet Grates. 23. Seal the cracks and arrest the leaks using Epoxy Crack Injection. 24. Supply MDTA with Spare Concrete Ceiling Panels. 25. Repair existing door hardware. 26. Repoint Bricks at various locations in the retaining walls. 27. Reset Bricks at various locations in the retaining walls. 28. Replace Bricks at various locations in the retaining walls The work to be performed under this contract is located at the Fort McHenry Tunnel on I-95 in Baltimore City. The work location is the Southbound (SB) and Northbound (NB) roadways designated as Bores 1 and 2 (SB) and Bores 3 and 4 (SB). Counties: Baltimore City Questions Due Date September 3, 2025, at 1:00 p.m Please submit all questions in writing to the Procurement Officer: Janet Fleming via email at: MDTAPROCUREMENT@mdta.state.md.us with a copy to rusher@mdta.state.md.us Questions will be received until. Oral questions will not be entertained. Classification: Class - F ($5,000,001 to $10,000,000) Project Time: 730 Calendar Days A Bid Security totaling five percent (5%) of the bid amount will be required on bids of One Hundred Thousand Dollars ($100,000.00) or more. Acceptable security for bid, performance, and payment bonds is limited to: 1. A bond in a form satisfactory to the State underwritten by a surety company authorized to do business in this State; 2. A bank certified check, bank cashier's check, bank treasurer's check, cash, or trust account. MDDOT - 102 - Miscellaneous Structural Repairs Inside Fort McHenry Tunnel *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document.