The Port of Oakland needed new cranes to maintain state-of-the-art equipment. The port purchased the first three new cranes from ZPMC, a relatively new vendor in the United States at that time. Liftech Consultants Inc. and McKay International Engineers assisted Port of Oakland engineers with the procurement specifications, evaluated technical portions of the bids, and reviewed the designs and quality control documents.
Tag: Crane Projects
Kaohsiung Post-Panamax Articulated Boom Cranes
Hanjin Heavy Industries provided three cranes for Hanjin Shipping’s new terminal in Kaohsiung. The cranes have an outreach of 52 m (170’-6”) and a rated load of 40.6 t (40 LT). Due to the nearby airport, the height at the terminal is restricted to 70.35 m (230’-10”).
Port of Singapore Machinery-on-Trolley Crane Design
Liftech worked closely with MHI engineers to optimize the crane weight and structural performance of both the main crane structure and the trolley. The resulting structural design meets all of PSA’s stringent deflection requirements. The boom features a trapezoidal monogirder design with a single forestay.
Keelung Crane Refurbishment
When it became possible for shipping lines to economically avoid the Panama Canal, ship size increased from 13 containers wide to 17 containers wide. Ships could carry thirty to forty percent more containers. The pictured Mitsui Panamax crane was converted to post-Panamax configuration.
Price Systems Log Boom Crane
Liftech provided structural analysis and design for various rotating log boom cranes. The latest was for a 170-foot, 45-ton crane in Valliant, Oklahoma. Liftech also designed and prepared drawings for cranes with radii of 125 feet and 155 feet and capacities ranging from 25 tons to 60 tons. The grapples are either at a fixed radius or mounted on a moving trolley.
Revolver Crane Review
Liftech has been involved in review and modification of several revolver cranes. Our revolver crane work includes: • Conversion of an IHI revolver crane from shore power to diesel power and relocation to another location