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Show The Dredging Company thus had at its disposal two of the most modern high capacity hydraulic dredges in the world, the "Franciscan" and the recently completed "Alameda". In addition, other supporting dredging and marine equipment were available, including the clamshell dredge "California", derrick barges, anchor, work, and cable reel barges, tugs, pontoons, and a multitude of other auxiliary equipment. Work on the Oakland International Airport's new runways was completed during the year, and a contract was signed with the Port of Long Beach for a dredging and harbor construction project. The following are Operating Characteristics and General Specifications of the Dredge Alameda: DREDGE "ALAMEDA" OPERATING CHARACTERISTICS 1. Capacity in hard sand digging, 1500 to 1800 cy/hr on pipe lines to 20,000 feet. 2. Capacity in silty material, 2000 to 2500 by/hr on long pipe lines. 3. 275' swing radius from starboard spud to cutter head. 4. Minimum width of cut 140 feet. 5. Maximum width of cut 385 feet. 6. Maximum depth of cut (without extensions) 53 feet below water line. 7. Dredge draws approximately 9'-6" in sea water. 8. Design based on digging hard material including sandstone, coral, rock, and for operation under rough water conditions. |