(1) Tug and barge 



Tug: capable o£ 8-knot (14.6 kilometers) minimum with barge in 



tow 

 Barge: 80- by 30-foot (24.4 by 9.1 meters) minimum with fore 



and aft anchoring capabilities, or 



(2) Jack-up barge (self-propelled) 

 Capable of 8-knot minimum 



Sufficient deck space to accommodate coring device, crane, com- 

 pressor, and core storage; or 



(3) Ship 



Requirements same as jack-up barge 



b. Reconnaissance boat (desirable) 

 32-foot-minimum (9.8 meters) length 



10-square foot-minimum (0.9 square meter) table space 



110-volt a.c. power 



Compass 



Cruising range: 100-mile minimum 



Cruising speed: 10-knot minimum 



c. Geographic positioning system 

 Same as 1, d 



d. Coring device, pneumatic-vibrating (essential) (Tirey, 1972) 

 Capable of 20-foot cores (maximijm) 



e. Compressor (essential) 



120 pounds per square inch (8.4 kilograms per square meter) at 250 

 cubic feet (7.1 cubic meters) per minute 



f. Crane (essential) 



11-short ton (10 metric tons) minimum (Baumeister, 1958) 

 30- foot-minimum boom length 



g. Bottom grab sampler (desirable) 

 Various types available 



h. Miscellaneous (essential) 



Floats, cord, and anchor weights 



Logbooks 



Office supplies 



Batteries 



Sample bags 



Waterproof markers 



Tools and hardware 



Cable and clamps 



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