DETO - Flush & Clean Septic System

Summary (Newest Update)

Background The National Park Service (NPS) is issuing this contract for the targeted cleaning and flushing of septic systems at Devils Tower National Monument (DETO) in Wyoming. The goal of this contract is to restore hydraulic performance, reduce solids accumulation, and minimize the risk of near-term septic system failures within existing infrastructure. This work is critical to maintaining the operational integrity of the park's facilities. Work Details The contractor will be responsible for the following tasks: 1. **Septic Tank Pumping and Cleaning**: Pump, remove, and properly dispose of all sludge, scum, and liquid contents from each septic tank; clean tank interiors including inlet and outlet baffles or tees; restore tanks to normal operating condition upon completion. 2. **Dosing Tank Pumping and Cleaning**: Pump and clean all dosing tanks; flush internal piping leading to distribution headers; conduct a visual inspection of floats, pumps, and internal components, reporting any deficiencies. 3. **Septic Collection Line Flushing**: Flush primary septic collection piping using high-pressure water jetting or equivalent methods; access piping through existing clean-outs without excavation; focus on areas known to experience solids buildup or reduced flow. 4. **Drain Field Header and Lateral Spot Flushing**: Perform targeted flushing of drain field distribution headers and accessible laterals only using low-pressure methods to avoid soil displacement or damage. 5. **Waste Disposal**: Transport and dispose of all septic waste at a licensed disposal facility in accordance with regulations; provide disposal documentation upon request. 6. **Performance Requirements**: Work must minimize impacts to park operations; systems should be left fully functional with no wastewater spills or environmental contamination; unexpected conditions must be reported immediately. Period of Performance The period of performance for this contract is from July 1, 2026, to November 30, 2026. Place of Performance The work will be performed at Devils Tower National Monument located in Crook County, Wyoming.