Cedar Valley Reservoir Emergency Spillway Repairs

Description: Project includes the following Work: Remove unwanted vegetation, clear and grub items such as trees, brush, grass, and soil. Cut & Fill existing on-site soils to match proposed construction plans. Prevent and manage soil erosion during project construction until grass vegetation has been established, which includes irrigation. Regrade slope of auxiliary spillway to match contours on plans. Fill in scour areas with earthen materials to match grades on plans. Import soils from approved off-site borrow areas and ensure a minimum of 18-inches of soil is established under all areas to receive Flexamat. Install concrete cutoff trenches and dowel into underlying rock. Install grass seed mixtures with appropriate fertilizers and mulch below Flexamat before installing Flexamat. Install Flexamat erosion control matting and secure to underlying soils and into subsurface where needed using appropriate steel pins and fasteners.