This is a combined synopsis/solicitation for a firm-fixed price contract to clean sewage disposal tanks on Power Barge 5014 and Quarterboats 9401, 9501, and 9901, including the disposal of all sewage and wastewater. The procurement is a 100% Small Business Set-Aside under NAICS code 562211, with a size standard of $47 million in annual revenue. Quotes must be submitted electronically via a specified email address and must include a completed bidding schedule. Technical questions must be submitted through the ProjNet system using the provided instructions and inquiry key. The government intends to award one contract without discussions, though it reserves the right to hold them.