scope:

FOREWORD

DOD Directive 6050.4 of 23 October 1979 promulgates Section 312 of the Federal Water Pollution Control Act, as amended, and is consistent with U. S. Coast Guard and Environmental Protection Agency implementing regulations 33 CFR 159 and 40 CFR 140 respectively. Specifically, the DOD Directive requires that nonexempted Navy ships be outfitted with equipment to preclude the overboard discharge of raw sewage in restricted waters. Existing vessels shall be in compliance by 1 April 1981, or when an approved Marine Sanitation Device (MSD) is installed in the existing vessel, whichever is sooner. New vessels shall be in compliance on the effective date of the above directive. In meeting this requirement, the Navy is involved in an intensive program of installing MSD's on all nonexempted vessels and installing pier sewer lines at Navy ports and berthing piers. The Sewage Ship Waste Offload Barge (S-SWOB) was designed to collect sewage from ships and small craft that are at anchor or are moored at piers without sewers. The S-SWOB is, therefore, a critical element in the overall plan to ensure compliance with the DOD Directive and to eliminate the discharge of sewage into territorial waters.

The information contained in this manual will provide port managers and operators with in-depth knowledge on the S-SWOB's operation and maintenance characteristics, as well as provide guidelines for preventive and corrective maintenance procedures.