Mary Belle Williams Park Renovations Lake Charles City Project No. LCR405 1. New Play Structure - The new structure theme provided will be a Jet Fighter aircraft. These elements will align with a Western Town theme. 2. Pine Mulch Play Surfacing with Segmented PVC Border - This approach is consistent with the most economical surface options and is included within the Base Bid. 3. Rubberized Play Surface - The placement of a concrete slab with curbs and poured rubberized play surface with 3" padding is included in the bid package as additive Alternate #1. 4. Perimeter Sidewalk- The placement of a 5' wide concrete sidewalk about the perimeter of the pay area is included in the bid package as additive Alternate #2.

City of Lake Charles, Louisiana 2022 Drainage Infrastructure Improvements – Package No. 2 Phase I CP 3434 This project involves the repair or replacement of collapsed, blocked, or otherwise failed sections of existing storm sewer on Broad Street between Lakeshore Drive and Enterprise Boulevard in downtown Lake Charles. This work shall be performed by utilizing various methods, including point repairs, cured in place pipe lining (CIPP), pipe bursting methods and related work. The disturbed surface areas shall be restored to meet or exceed present conditions prior to the commencement of construction activities.

City of Lake Charles, Louisiana North Beach Restroom Replacement PR 0002 This scope of work involves replacement of the two storm damaged restroom buildings located at north beach. The design shall include new plumbing piping set in a new concrete foundation. New construction concept shall consist of a new design layout which shall be on a new fill and foundation which will raise the finished floor to code required elevations. The new building shall be built on a new concrete slab and finish to be determined in final design to limit building maintenance, slip resistance and all other code compliance. Walls shall be masonry with galvanized structural steel framing, metal decking and standing seam metal roofing. Each restroom shall have code required plumbing fixtures rated for vandal resistance and the building shall also meet all ADA codes and requirements. Outdoor showers shall also be incorporated into the design. The structure shall also have security doors/gates to lock down the units when the park/beach is closed to the public.

City of Lake Charles, Louisiana Wastewater Treatment Plant D Disinfection Facility Improvements Capital Project No. 3404 Scope of Services: The City of Lake Charles owns and operates the Wastewater Treatment Plant D, located at 3820 Tank Farm Rd. In the draft permit renewals for each facility, the Department of Environmental Quality (DEQ) introduced a new effluent discharge limitation for Enterococci bacteria. Manchac has consulted with the existing disinfection equipment manufacturer and determined that the equipment will not meet the new Enterococci limits as mandated by DEQ. This project will include the removal and replacement of the existing disinfection treatment equipment with a new Sodium Hypochlorite and Sodium Bisulfite disinfection basin. Work includes the construction of a new contact basin, new sodium hypochlorite storage building, renovations to an existing sodium bisulfite building, installation of new gravity sewer, and misc. piping.

City of Lake Charles, Louisiana Project No. 2024-739 DR010 LCFD Fire Training Facility Demo & Earthwork PROJECT SUMMARY: The general scope of work for this project consists of demolition and removal of the former school building and improvements as shown on the plans. Once the building demolition has occurred, the removal and disposal of the of the top 2 feet of existing soil within the limits shown on the plans, followed by the furnishing and installation of lime conditioned select fill to the proposed elevation identified. The select fill will be installed in multiple lifts and compacted to the required density as monitored by engineer and testing laboratory.