This is a non-personal commercial services contract to provide Septic pumping/collection and disposal services at U.S. Army Corps of Engineers, Garrison Project/Lake Sakakawea. The contractor shall provide all personnel, equipment, supplies, facilities, transportation, tools, materials, supervision, and other items necessary to perform septic tank pumping for the Corps of Engineers. The government shall not exercise any supervision or control over the contract service providers performing the services. Contract service providers shall be accountable solely to the contractor who, in turn is responsible to the government. This is a fixed priced, performance-based service contract where the government defines and measures desired outcomes, while contractor methods are generally not constrained or directed. The Period of Performance for this effort is a 12-month base year + four (4) 12 month-option years.