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Colt Industries To Furnish Environmental System For Riverboat Colt Industries' unique vacuum- operated environmental protection system will be featured aboard a new riverboat being- built for Greene Line Steamers, Inc., own- ers and operators of the famous Delta Queen. The new vessel will be the first of a new fleet of pas- senger riverboats to be operated by Greene Line. The Water and Waste Manage- ment Operation of Colt Industries, Beloit, Wis., has received a con- tract to supply the advanced sew- age system for the 400-passenger vessel. Known as ENVIROVAC, the system requires less than one- tenth of the water used in conven- tional systems. The new 365-foot excursion boat will have a crew of 110. It is ex- pected to be in operation in 1975. F.J. Eubank, vice president and general manager of the Colt opera- tion, said: "All of the sewage from the vessel will be handled by the new BNVIROVA'C collection sys- tem. This includes all of the 220 staterooms, crew quarters, and public toilets." ENVIROVAC vacuum sewage systems can be installed in very limited equipment space. This is due to the limited water usage and smaller collection tank. Water storage capacity is also minimized. The vacuum system operates with small electric motor driven pumps, which produce a constant vacuum of about 7^2 psi. Impor- tant to marine applications is the fact that small diameter plastic piping can be installed without slopes and can be worked around obstacles, because (gravity trans- port and grade dependence are not required. This facilitates placing piping in areas and at angles where it fits conveniently. The new vessel will be built by Jeffboat, Inc., for the owners, Greene Line Steamers, Inc., at a cost of about $15.5 million. An offi- cial of Greene Line said the new pleasure vessel will be the largest and finest ever to operate on the Mississippi River and its tribu- ^The order for the ENVIROVAC system includes a vacuum collec- tion tank with a 4,000 gallon ca- pacity, two macerator units, 320 toilets, two sewage discharge pumps, vacuum equipment and all necessary controls. The vacuum transported sewage is pumped to the large divided storage tank where it is macerated. At this point, the sludge is dis- charged to the oiLfired steam boil- ers and incinerated. Esso Adds Barges To Service Ships In Japanese Ports New lube oil barges in Osaka Bay and Tokyo Bay have tripled the Esso bulk delivery capability in these areas. The Esso Osaka Maru is a 130- ton barge with six tanks and space on deck for 100 drums. The Esso Yokohama Maru is a four-tank 100-ton barge which carries 50 drums on deck. The two join 'the 65-ton Esso Kobe Maru and the 50-ton Esso Tokyo Maru, respectively. The two smaller barges 'have been in service since 1969. The Esso companies are said to deliver lubricants in bulk at more than 150 ports around the world. Nearly half the company's worldwide marine lubricant deliv- eries are made by pumping in bulk directly into ships' tanks. So. Jersey Port Corp. Reports Cargo Increase South Jersey Port Corp. has re- ported a 30.2 percent rise in water- borne cargo for the first six months of 1973, compared with the same interval last year. According to Robert I. Pette- grew, executive director of the state-controlled agency, 413,618 tons were handled at the Beckett Street and Broadway terminals at Camden, N.J., in contrast to 317,- 706 tons last year. General cargo handled was 31 percent more than in the first half of 1972, while bulk cargo was up 44 percent. for rugged harbor work marine ropes Rough and tough ship handling and tug service require hard-working, dependable rope. That's where Jackson marine ropes prove they're strong on performance — have what it takes for heavy-duty service. Big, long and strong nylon ropes: Sizes up to 15-inch circumference . . . lengths to 1800 feet. . . strengths to 500,000 pounds. Designed for impact and shock loads as towing hausers and mooring lines. Polys and combinations that float, handle easier and hold their strength, wet or dry, for extra-tough harbor work. Jackson marine specialists are ready to help you with a complete line of ropes to increase rope life on your equipment — service-minded distributors are close by to supply it in ready-to-go lengths. Contact Jackson today. I JACKSON % ROPE CORPORATION v Subsidiary of ASPRO, Inc. ® Ninth and Oley Streets. Reading. Pa. 19604 Phone 215/376-6761 SALES/SERVICE CENTERS: READING • CHICAGO • NEW ORLEANS • LOS ANGELES I 26 Maritime Reporter/Engineering News
