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The two cranes on the project were an RT875E rough-terrain crane and a GMK5240 (known as the GMK5200 outside the US). The GMK5240’s role on the job was to ensure the barge remained stable while two 500,000 lb (227 t) generators were unloaded. The RT875E provided equipment for the ballast crew on the barge including welding equipment and water pumps. It also placed Crane Rental Corp.’s 40 ft (12 m) barge ramp between the barge and the edge of the dock. Jeff Fisher, project manager at Crane Rental Corp., said each Grove crane had a specific task and both performed well. “We used the Grove GMK5240 as a deadman to steady the barge during the offload while the RT875E loaded equipment for the ballast crew,” he said. “Moving any heavy load from water to land requires close control and detailed planning. Our Grove cranes performed very well and gave us the precision control we needed. Our crew was well-briefed ahead of the job and their focus on safety and correct procedures ensured the job ran smoothly.” The unloading process took less than a day to complete. The RT875E is a 75 USt (68 t) crane with a four-section 128 ft (39 m) main boom, featuring MEGAFORM shaping for additional strength. Tip height can reach 232 ft (70.6 m) with the addition of jib sections. The crane has improved operator comfort and visibility through its E-Series cab which can tilt to 20?. The GMK5240 has a rating of 240 USt or 200 t in markets outside the US. It has a main boom that can extend to 197 ft (60 m) while extensions offer increased reach of up to 125 ft (38 m). The crane can accommodate up to 154,300 lb (70 t) of counterweight and among its other benefits is Grove’s MEGATRAK independent suspension system for greater ground clearance. Crane Rental Corp. is a family-owned business that started out in 1960 and since that time has grown into the region’s leading crane rental company. It owns a number of Grove mobile cranes and Manitowoc crawler cranes in its extensive fleet.
About The Manitowoc Company
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| ©2008 The Manitowoc Company, Inc. | ||
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