Washington County Ionwave #ENG-26-04 Addendum 1

Washington County Intersection Improvements: Showalter Road at Perini Avenue

Washington County, Maryland is seeking bids for the Showalter Road at Perini Avenue Intersection Improvements project. - Government Buyer: - Board of County Commissioners of Washington County, Maryland, Division of Engineering - Project Scope: - Reconfigure the intersection to a right-in/right-out traffic pattern - Reconstruct existing concrete island and construct a new concrete median on Perini Avenue - Widen Showalter Road to add a 350-foot acceleration lane and a 164-foot taper section - Reconstruct curbs, relocate approximately 264 feet of traffic barrier, and construct 77 feet of new traffic barrier - Update line striping and signage - Additional work: grading, milling and overlay, full-depth paving, pavement markings, sign relocation, and traffic control - Products and Quantities: - Mobilization (1 LS), Maintenance of Traffic (1 LS), Temporary Traffic Signs (220 SF), Type III Barricades (5 EA), Drums (100 EA) - Removal and installation of various pavement markings (thousands of LF/SF), concrete work, excavation, and traffic barriers - See detailed line items for full list and quantities - Unique/Notable Requirements: - Compliance with MDOT SHA Standard Specifications, Book of Standards for Highway & Incidental Structures, and Maryland Standards for Soil Erosion and Sediment Control - Utility coordination required with Potomac Edison, Hagerstown Water & Sewer, Verizon, Antietam Broadband, Columbia Gas, Lumos Networks, and Miss Utility - Contractors must perform field and laboratory testing of materials (concrete, soils, aggregates, asphalt) per AASHTO/ASTM standards - A Maryland licensed Geotechnical Engineer must be retained for soil bearing verification - Strict adherence to insurance, debarment, and bid security provisions - Estimated Contract Value: $100,001 to $500,000 - Period of Performance: - 100 consecutive calendar days, with anticipated start in June and completion by September - Liquidated damages apply for late completion - Place of Performance: - Showalter Road at Perini Avenue, Hagerstown, Washington County, Maryland - Washington County Administrative Annex, 747 Northern Avenue, Hagerstown, MD 21740 - Potential Competitors: - Road and highway construction firms with experience in intersection improvements and traffic control - No specific OEMs are named; most materials are standard construction commodities - Primary Products: - Asphalt, concrete, traffic barriers, pavement markings, signage, and related construction materials - Competing Products: - Equivalent road construction materials and traffic control solutions from major suppliers - Business Participation: - Disadvantaged Business Enterprises are encouraged to participate - Equal employment opportunity enforced

Description

This is an Invitation to Bid issued by the Board of County Commissioners of Washington County, Maryland, for the Showalter Road at Perini Avenue Intersection Improvements project. The project involves reconfiguring the intersection to a right-in/right-out traffic pattern, reconstructing the concrete island and median, widening Showalter Road to add an acceleration lane and taper section, reconstructing curbs, relocating and constructing traffic barriers, and updating signage and pavement markings. The work also includes grading, milling and overlay, full depth paving, and traffic control. Bids are due by May 6, 2026, with a pre-bid conference held on April 8, 2026.

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