Hennepin County Procureware #CP 2220800

Hennepin County Solicits Bids for CSAH 50 Slope Stabilization and Culvert Repair Project

Hennepin County, Minnesota, is seeking bids for the CSAH 50 Slope Stabilization and Culvert Repair project along the South Fork of the Crow River in Greenfield and Independence. - Government Buyer: - Hennepin County Transportation Department - Project managed by the Hennepin County Board of Commissioners and staff - Products and Materials Requested: - Slope stabilization systems: stacked geocells (4,550 linear feet), geogrid reinforcement (3,100 square yards), steel sheet piling (3,780 square feet) - Culvert repair: cured-in-place pipe (CIPP) lining for 24", 36", and 48" culverts (totaling 671 linear feet), galvanized and reinforced concrete pipe aprons (various sizes) - Erosion and sediment control: geotextile filters (550 square yards), random riprap (2,243 cubic yards), sediment control logs (3,000 linear feet), silt curtains (1,900 linear feet), mulch, and surface fabrics - Vegetation and restoration: deciduous trees (22), shrubs (1,515), perennial plugs (5,950), seed mixes (various types and pounds), sandy clay loam topsoil (750 cubic yards) - Guardrail: salvage and installation of Type 31 guardrail (475 linear feet) - Temporary works: access road, temporary fencing (1,200 linear feet), bulk bag cofferdam, stream diversion system - Services Requested: - Full construction services for slope stabilization, culvert repair, erosion control, clearing, grading, bank treatments, vegetation installation, and site restoration - Traffic control, dewatering, mobilization, as-built documentation, and site cleanup - Unique or Notable Requirements: - Compliance with Minnesota Department of Transportation (MnDOT) Standard Specifications and Hennepin County special provisions - Strict erosion and sediment control, restoration to pre-construction or better condition - Environmental permits required (Army Corps of Engineers, Minnesota DNR, MPCA NPDES) - Diversity and inclusion goals: 15% Small Business Enterprise participation, affirmative action employment goals - Prevailing wage and safety regulations apply - 3-year plant establishment period for vegetation maintenance post-construction - No specific OEMs or proprietary brands are named; the solicitation is open to all qualified contractors able to meet the technical and regulatory requirements.

Description

This solicitation is for the CSAH 50 Slope Stabilization and Culvert Repair project located on CSAH 50 in the Cities of Greenfield and Independence, Minnesota. The work includes slope stabilization, culvert lining, excavation, guardrail installation, vegetation planting, and various erosion control measures. Bids are to be submitted electronically by 2:00 P.M. on Tuesday, April 11, 2023. The project involves geotechnical and drainage work adjacent to the South Fork of the Crow River.

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