Site work for a civil project in Boerne, Texas. Completed plans call for site work for a water / sewer project.

Raising the top of dam by 2.1 feet and flattening the upstream and downstream embankment shell to a grade of 2.75H:1V. Constructing a staged labyrinth-crested chute spillway over the embankment; Decommissioning of the existing earthen auxiliary spillway by constructing a new embankment section from the crest of dam to the spillway abutment; Constructing a blanket drain system beneath the downstream slope; Installing a articulating concrete block wave protection along the upstream slope of the dam; Constructing a riprap-lined apron at the downstream end of the proposed chute spillway outlet, along with construction of a new outlet channel; Constructing a subsurface drainage system beneath the chute spillway; Modifying the existing foundation trench drain outlet pipes to accommodate the flatter embankment slopes; Constructing a riprap-lined wave protection berm along the upstream bank of the existing principal spillway plunge pool; Replacing the trash rack on the principal spillway riser structure and evaluating the low-level sluice gate for functionality and potential repair/replacement. Estimate: $8,000,000 to $12,000,000 Question Deadline 12/15/2023 at 5:00 PM CT *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document.