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SWOB- Ship Waste Off-Loading Barge

The SWOB (10 Class) Ship Waste Off-Loading Barge (Non-Self-Propelled) barges are designed to receive, hold, and transfer oily waste in a harbor area. Oily waste is pumped by ships to the SWOB, which transports the waste to a pierside disposal or reclamation facilities. The barges are plant equipment assigned to NAVFAC for use in the Navy's Pollution Abatement Program.

The Oil Response Program is centrally managed by the Naval Facilities Engineering Service Center (NFESC), Port Hueneme, California on behalf of the Naval Facilities Engineering Command. Boat assets in support of this program are assigned hull registry numbers and will be maintained in the CBSS inventory. NFESC manages inventory and replacement of these assets; final disposition of excess boats will be coordinated with PEO EXW (PMS325). SWOBs are neither a service craft nor a boat, and are not maintained in the CBSS inventory. Final disposition of excess SWOBs is the responsibility of the user command/activity, similar to plant property.

Collection Holding and Transfer [CHT] systems have been installed on the majority of Navy ships. The systems are designed to operate in three modes; in restricted waters, sewage is collected and stored in holding tanks while gray water is discharged overboard via diverter valves; at sea, all sewage and gray water, including any stored in the holding tanks, is diverted or discharged overboard; and in port, sewage and gray water are collected in holding tanks and discharged into a sanitary sewer or ship waste off-load barge (SWOB).


Length Overall


Max Beam - Molded


Max Height - Exclusive of Masts, Antenna, etc.

16¢ -3²

Draft at Full Load

6¢ -2²

Full-Load Displacement

394 tons

Light-Load Displacement

100 tons


Welded Steel


294 tons


75 kw Generator


Oily Waste Pumps


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Page last modified: 07-07-2011 12:55:59 ZULU