21st Street North from Mosley to I-135 Phase II

The City of Wichita is seeking bids from firm(s) to provide construction services for the Public Works & Utilities Department. [...] Reconstruction of 21st Street to provide wider pavement and improved storm water drainage.

The City of Wichita (City) has contracted with MKEC Engineering, Inc. (MKEC) to design the reconstruction of 21st Street North between Mosley and I-135 in Wichita, Kansas. The activities that will occur as part of the construction of this design will consist of the following:

• Removal of existing 21st Street pavement.
• Excavation and grading for new street pavement and sidewalks.
• Excavation and removal of existing storm sewers.
• Excavation for the installation of new storm sewers.
• Excavation for the installation of water lines.
• Excavation of bore pits for the installation of water lines using trenchless methods.
• Excavation for the relocation of gas lines at locations where gas lines conflict with proposed improvements.

The proposed 21st Street reconstruction will be completed in two separate phases. Phase 1 construction will occur east of the Middle Fork Chisholm Creek bridge between the bridge and Interstate 135. Phase 2 construction will occur west of the Middle Fork Chisholm Creek bridge between Mosley Avenue and the bridge.

Any given area requiring backfill will be backfilled with petroleum free, geotechnically appropriate material provided by the City's construction contractor from off-site locations.

The planned activities are located in an area known to be impacted by petroleum hydrocarbon contamination principally associated with the former Coastal Derby Refinery. [...] All construction and excavation activities are planned to occur at a depth of 10 feet or less below the existing ground surface.

Anticipated project Start Date: March 1, 2023 and Completion Date: March 31, 2024.