Summary
The project involves the removal of the existing stormwater culvert pipes and the installation of a new 15-inch HDPE drainage system as shown in the plans. This includes pipe installation at the invert elevations indicated in the drawings, proper bedding, backfilling, compaction,and all connections or transitions required to tie the system into existing infrastructure. The Contractor shall also perform any necessary dewatering and temporary cofferdam operations to complete the retaining-wall and pipe-related work in the areas adjacent to the waterway. Utility coordination, including Sunshine 811 notifications and compliance with utility separation requirements, must be maintained throughout the project. The scope additionally includes the construction of a new retaining wall as detailed in the plans, consisting of concrete footing, masonry units with grout and rebar, concrete lintel, finishing components, and temporary bracing against the existing seawall during installation. The Contractor must furnish and place coquina rock rip-rap and any required stone base in the locations indicated in the drawings. Roadway restoration shall be completed by installing a new asphalt patch over the disturbed section of pavement following the pavement section and structural requirements shown in the documents. All disturbed swales, shoulders, and landscaped areas must be regraded and restored with sod to match existing conditions.