Regulation for Tank Vessels Engaged in the Carriage of Oil in Domestic Trade.
Abstract
This statement assess the environmental impact of proposed change to the pollution regulations in Title 33, Code of Federal Regulation, by adding regulations governing the design and operation of certain seagoing U.S. tankships and barges certificated to carry oil in the U.S. domestic trade. The new regulations require segregated ballast on new tankships over 70,000 deadweight tons, and contain requirements for cargo tank size limits and improved tank vessel subdivision and stability. The regulations also set stringent discharge standards for both new and existing tank vessels, requiring the practice of load-on-top or retention-on-board methods to curtail discharges of oil and oily mixtures to the marine environment. Information on economic and safety impacts of the regulations are presented, and reasons for making U.S. regulations consistent with requirements contained in the International Convention for the Prevention of Pollution from ships, 1973, are discussed. Various alternative measures are discussed, including extending segregated ballast requirements to smaller vessels and existing vessels, requiring double bottoms or double sides, and various measures to improve vessel maneuvering and stopping ability. Information on sources of pollution from tank vessels, including routine operations and vessel accidents, is presented in text and appendicies. Results of a study of various alternatives for distribution of required segregated ballast to provide protective spaces against collision or grounding damage are included in Appendix C. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Aug 15, 1975
- Accession Number
- ADA036719