Howard County Office of Procurement PlanetBids #2027-05

Howard County Solicits Construction for Guilford Stormwater Pond Repair and HydroTurf CS System Installation

Howard County, Maryland is seeking qualified construction firms for the Guilford Stormwater Pond Repair and Water and Sewer Plans project. - Government Buyer: - Howard County, Maryland - Office of Procurement and Contract Administration (Stormwater Management Division) - Products and Services Requested: - Major stormwater infrastructure construction, including: - Removal of existing concrete riser structure - Abandonment and backfill of two existing pipes - Construction of a large concrete riser (approx. 17’ x 10’ x 12’) - Installation of two 48-inch reinforced concrete pipe (RCP) principal spillway culverts through a dam embankment - Construction of a large concrete storm drain junction box (approx. 9’ x 22’ x 8’) - Storm drain inlets, extensions, and associated structures - Embankment grading and installation of a geosynthetic clay liner - Installation of the HydroTurf CS system (including AGRU 50 mil Super Gripnet HDPE Geomembrane, engineered turf, and HydroBinder infill) - Concrete embankment armoring - Utility relocation and coordination - Erosion and sediment control measures (e.g., silt fence, super silt fence, sandbag dam) - Landscaping, seeding, and plant establishment with survival rate requirements - Traffic maintenance, road closures, and detours - Notable product line items: - Orange construction fence (2,150 ft) - Class I excavation (2,800 CY) - Structural embankment backfill (3,300 CY) - 48-inch ASTM C-361, C-25 reinforced concrete pipe (808 LF) - Stormwater management riser (1 unit) - HydroTurf CS system components (AGRU 50 mil Super Gripnet HDPE Geomembrane, engineered turf, HydroBinder infill) - Various erosion control and landscaping materials - Unique or Notable Requirements: - Contractors must have experience with dam construction and stormwater management infrastructure - Compliance with Howard County's living wage and equal business opportunity programs - Survival rate and warranty requirements for landscaping and plant materials - Compliance with the Rain Forest Protection Act for wood products (prohibiting certain tropical hardwoods unless sustainably sourced) - Detailed geotechnical and construction specifications, including as-built certifications and weekly progress reports - Road closures and detours required on Guilford Road - OEMs: - AGRU (for the 50 mil Super Gripnet HDPE Geomembrane component of HydroTurf CS system) - No other specific OEMs or proprietary vendors are named; the solicitation is open to all qualified construction firms capable of meeting the technical requirements.

Description

Howard County is soliciting bids for the construction of the Guilford Stormwater Pond Repair Project and Water and Sewer Plans. The scope includes removal of an existing concrete riser structure, abandonment and backfill of pipes, construction of a large concrete riser, principal spillway culverts, storm drain junction box, storm drain inlets, and associated structures. The project requires road closures and detours and must be completed within 275 calendar days. A pre-bid meeting will be held virtually via Webex.

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