City of Laredo Ionwave #FY25-ENG-52 Addendum 4

Concord Hills Boulevard Extension Roadway and Infrastructure Construction

The City of Laredo is seeking a civil-construction contractor to extend Concord Hills Boulevard and build associated roadway, drainage, and pedestrian infrastructure. - Government buyer: City of Laredo, Engineering Department; the notice also identifies the City Secretary’s Office. Project: FY25-ENG-52, in Laredo, Webb County, Texas. - Scope: Extend the boulevard from Los Presidentes Boulevard to Lomas Del Sur Boulevard, including reinforced-concrete roadway, storm drainage, sidewalks, traffic features, erosion controls, and preparation for future lanes. - Major base-bid quantities: 26,500 square yards of 8.5-inch, 4,000-psi reinforced-concrete pavement with monolithic curb; 28,200 square yards of 8-inch subgrade preparation; 3,800 square feet of sidewalk; five ADA ramps; and 14.5 acres of clearing and grubbing. - Drainage and sitework: Storm sewer and culvert work includes 24-inch RCP (460 LF), 30-inch RCP (420 LF), 30-inch Class IV RCP (360 LF), and 36-inch RCP (60 LF), plus a 5-foot-by-4-foot box culvert (320), steel casings, inlets, junction boxes, headwalls, safety end treatments, riprap, and excavation/embankment. - Roadway support work: Traffic control, signs, pavement markings, barricades, trench safety, and conduit crossings (2,830 LF, with three 4-inch electrical conduits and two 4-inch communications conduits). Erosion-control blankets total 13,000 square feet. The base bid also includes a $300,000 contingency allowance. - Alternates: Alternate 1 adds a northbound lane, including 6,400 square yards of reinforced-concrete pavement; Alternate 2 adds a 6,150-unit concrete shared-use path and 255 units of pedestrian rail; Alternate 3 provides a full concrete intersection, including 380 units each of base-material removal, asphalt removal, and 8.5-inch reinforced-concrete pavement. Associated earthwork and markings are listed in the line items. - Notable requirements: Federally funded work is subject to applicable federal labor provisions, and structural and reinforcing steel must comply with BABAA. The project allows 130 working days for construction. - OEMs and vendors: No product OEMs or bidding vendors are identified. Top Site Civil Group, LLC is named as the preparer of an addendum, not as a confirmed bidder or supplier.

Description

The City of Laredo is requesting bids for the Concord Hills Boulevard Extension, which extends Concord Hills Boulevard from Los Presidentes Boulevard to Lomas Del Sur Boulevard. The work includes a reinforced concrete pavement roadway of varying width, storm drain crossings, and preparation for future lane additions. Alternates include adding vehicle lanes, a shared-use path, and a concrete intersection at proposed Concord Hills Boulevard and existing Lomas Del Sur Boulevard. Addendum 4 adds a fourth run of 30-inch Class IV RCP storm drain at culvert crossing 4, revising that bid schedule quantity to 360 LF.

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