Sarpy County Ionwave #2027-446 Addendum 2

Sarpy County I-80 interchange roadway, pavement, and storm sewer improvements

Sarpy County is seeking a contractor for the I-80 Interchange Northwest roadway and drainage improvements in Nebraska. - Government buyer: Sarpy County Public Works Department, through the Sarpy County Purchasing Department/Purchasing Office. The geotechnical report also identifies the Nebraska Department of Transportation (NDOT) in connection with the 192nd Street improvements. - Project and locations: Project C-77 (26-26), Solicitation 2027-446. Work covers 192nd Street from Highway 370 to Schram Road and from Schram Road to the interchange, plus Capehart Road from 201st Street to the interchange. - Major work: Roadway reconstruction and grading; concrete pavement and aggregate base; storm sewer and culvert construction; removal of existing infrastructure; utility coordination; traffic control; and erosion and stormwater protection. - Prominent named manufacturers and vendors: Tensar is named for BX1100 geogrid and TX140 geotextile; Marafi is named for HP370 geotextile. Thiele Geotech, Inc. performed geotechnical exploration. Tensar BX1100 is an example material, not an exclusive brand or separately quantified purchase. - Key quantities include: 65,510 SY of aggregate base course; 60,255 SY of 10-inch doweled concrete pavement (NDOT Type 47B-3500); 38,455 SF of PCC median surfacing; 12,300 LF of silt fence; and 11,692 LF of storm sewer pipe, in addition to extensive drainage, earthwork, pavement-removal, and traffic-control work. Bid documents and addenda also contain separate segment-level quantities; these are retained as separate line items below where they differ from project-wide figures. - Notable technical requirements: Geotechnical recommendations include a geogrid-supported aggregate working platform at soft creek-crossing areas, settlement monitoring for preload and surcharge work, staged construction, and creek dewatering considerations. Lightweight fill options include EPS15 geofoam or lightweight cellular concrete. - Performance: The summarized contract duration is 365 calendar days, with substantial completion followed by final completion within 30 calendar days. No award or selected contractor is identified.

Description

Sarpy County seeks a qualified contractor to construct road improvements for the I-80 Interchange Northwest project. The work covers feeder road segments on 192nd Street from Highway 370 to Schram Road and from Schram Road to the interchange, and on Capehart Road from 201st Street to the interchange. The solicitation is an issued sealed public-works bid and includes plans, specifications, and addenda. Bids are due October 1, 2026, at 10:00 AM CT.

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