Johnson County Ionwave #2026-004

Sanitary Sewer and Stream-Crossing Repairs at 81st Street and Nieman Road

Johnson County Wastewater is seeking bids for sanitary sewer and stream-crossing repairs at two sites in Johnson County, Kansas. - Government buyer: Johnson County, Kansas — Johnson County Wastewater; Purchasing office is identified in the bid materials. The project is SMTC-C046 / Bid Request 2026-004, in the 81st Street and Nieman Road area. - Project work: Replace and rehabilitate sanitary sewer infrastructure, remove or abandon existing sewer, stabilize stream crossings, and restore disturbed areas. - Major quantities: 1 standard 4-foot manhole; 3 shallow 4-foot manholes; 36 LF of 21-inch DR26 PVC pipe; 258 LF of 20-inch special-thickness Class 50 ductile iron pipe; 36 LF of standard concrete encasement; 90 LF of encasement with grade control and toe wall; 12 pipe supports; 258 LF of 20-inch, 9.0 mm CIPP lining; and 315 CY of Class A graded rock across Sites 18086 and 18224. - Services: Pre- and post-construction internal CCTV inspections of 478 LF and 436 LF, respectively; mobilization; sewer removal and abandonment; surface video/photo documentation; site restoration; traffic control; bypass pumping; erosion and sediment control; surveying; seeding and sodding; native seeding; and testing laboratory services. - OEMs and vendors: No manufacturers are designated for the sewer pipe, manholes, concrete, or rock; bidders must identify proposed manufacturers. Satellite Corporation is named as an example manufacturer for portable toilet units, with an equal product allowed. Burns & McDonnell prepared the engineering documents. The questionnaire requires bidders to identify proposed subcontractors for several specialty services. - Notable technical requirements: Maintain sewer flow during construction; provide channel cross-section submittals and erosion controls; meet floodplain restrictions; and complete testing and site restoration. Substantial completion is required within 100 consecutive calendar days and final completion within 130 consecutive calendar days after Contract Time begins. A three-year maintenance bond and correction period applies to the sanitary sewer work. - Estimated value: Approximately $500,000–$1,500,000; no official estimate is provided.

Description

Johnson County Wastewater is soliciting bids for stream crossing repairs at 81st Street and Nieman Road. Work includes installing precast manholes, PVC and ductile iron sewer pipe, and cured-in-place pipe lining; removing or abandoning existing sanitary sewers; and installing concrete encasement and pipe supports. The project also includes sewer inspections, erosion and sediment controls, site and stream bank restoration, bypass pumping, and traffic control. Bids and questions must be submitted electronically through IonWave by October 30, 2026, at 2:00 p.m. CT; the pre-bid meeting is non-mandatory.

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