HEAVY LIFT & RIGGING SERVICES. Liftech Consultants Inc.
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1 HEAVY LIFT & RIGGING SERVICES Liftech Consultants Inc.
2 COMPANY OVERVIEW Liftech Consultants Inc. is a consulting engineering firm, founded in 1964, with special expertise in the design and procurement of dockside container handling cranes and other complex structures. Our experience includes structural design for wharves and wharf structures, heavy lift structures, buildings, container yard structures, and container handling equipment. Our national and international clients include owners, engineers, operators, manufacturers, and riggers. Design Philosophy Liftech is at the forefront of marine terminal technology and strives to develop new technology that improves terminal productivity and safety. We design functional, environmentally sound structures for the most economical investment. The firm considers its service to be one of converting natural resources and labor into usable facilities that are a blend of aesthetic, structural, and functional considerations. We work well with owners, engineers, contractors, and architects. Crane Design We design cranes for most of the world s container crane manufacturers. For Paceco, we developed the original standard A-frame, modified A-frame, and low profile quay cranes and RTG frame structures that have become the industry standard. For Mitsubishi, we provided structural design for the first machineryon-trolley cranes to meet the strict stiffness criteria of the Port of Singapore Authority. For Paceco, Italimpianti, and Samsung, we designed the then largest low profile cranes, and provided designs of the articulated boom cranes worldwide. Most recently, we helped design the largest quay crane for ZPMC with a 100 ton capacity and reviewed many of the manufactured DHT40 (dual hoist tandem 40) cranes. Crane Procurement We provide crane procurement assistance to numerous port authorities, shipping lines, and terminal operators. Our services range from preparing specifications to complete assistance, including bid evaluation, design review, quality assurance audits, and fabrication inspection. We have written specifications to assist in the procurement of hundreds of container cranes, most of which are super post- Panamax. Crane Modification & Repair We design modifications to increase the lift height, extend the outreach, increase the capacity, and change the rail gage for numerous cranes. For use in raising cranes, we designed jacking frames that dramatically decrease the out-of-service time for the crane. We are often called upon for consultations on damaged cranes. Our repair services include condition review, repair assessment, design of temporary securing, design of repairs, and oversight of the repair work. The repairs may involve replacing members, strengthening local areas, or heat straightening. Crane Assessment We help clients with crane equipment assessment and recommendations for purchase, modification, or repair. Our services include useful life assessment, reliability studies, condition surveys, and inspection programs. We are occasionally retained as an expert witness to assess crane accidents, evaluate repair estimates, and help resolve disputes. Crane Transfer Systems We designed many systems for transferring container cranes between non-linear berths including above ground shuttles, below ground shuttles, turntables, and curved rails with and without switches. We developed a computer program that calculates the near optimal curved rail geometry that typically avoids the need for a side shift mechanism between the crane and its gantrying system.
3 Heavy Lift Design and Review Liftech has provided structural design and review of heavy lift and crane structures for nuclear power plants, offshore platforms, and other special structures since the 1970s. Our expertise also includes structural design and review of floating cranes of capacity up to 12,000 t and a 1,700 t floating crane that will be used to erect the major components of the San Francisco-Oakland Bay Bridge self-anchored suspension span. The barge mounted 1,700 t floating crane was built by ZPMC in the PRC and is suitable for handling large bridge components. Building Design Our building design experience ranges from one-story and two-story tilt-up concrete buildings with steel or wood framing to multi-story braced frame steel buildings. The buildings are generally for port, office, commercial, and industrial uses. In addition to traditional building structures, we also design miscellaneous structures in port terminals including canopies, light poles, guard booths, and truck wash facilities. During the design process, we review our designs with owners and contractors to ensure the most cost effective design. Wharf and Pier Structures We provide design and analysis services for wharf and pier structures. Our experience includes the design of wharf and pier structures for large earthquake loads, including cast-in-place and precast concrete systems, as well as steel systems. Projects include a 426 foot wharf in Redwood City, a 550 foot wharf at the Port of West Sacramento that supports a cement unloader, over 5,000 feet of wharves at the Port of Oakland that support container cranes, and a MOTEMS-compliant wharf. The MOTEMS wharf permits continued operations during construction by fabricating most of the structures off site and installing prefabricated components between vessel calls. We evaluated all of the wharves at the Ports of Oakland and Virginia to determine the crane rail capacities to aid the ports in their equipment decisions. We have performed evaluation studies and have justified increased crane girder capacities for over a dozen girder systems. We have performed wharf evaluations for heavy temporary loadings, e.g., moving container cranes over the wharf. Float Analysis and Design We provide design and analysis services for float structures, including cranes mounted on barges and ships and floats for ferry terminals. Projects include design of the local barge support structure for the Left Coast Lifter, a 1,700 t capacity barge supported shear leg derrick, a post-tensioned concrete float for the WETA South San Francisco Ferry Terminal, two steel floats for the WETA Pier 9 layover berths, and a steel float for the WETA Clay Street Ferry Terminal in Oakland. Equipment Transportation We provide engineering for the transportation of cranes, oil processing modules, offshore oil structure components, and miscellaneous equipment on barges and ships. Our services include checking the structures and the vessels for voyage forces, designing any required reinforcing for the structure and/or vessel, and designing the attachments to the vessel. Seismic Design Our experience with seismic design includes evaluation and design of buildings, container cranes, unloaders, and wharf structures. After the Loma Prieta earthquake, we provided structural evaluation of several buildings. After the Guam and Kobe earthquakes, we evaluated crane and wharf structures and helped owners determine the future of their structures. We provided the design reconstruction of a portion of the wharf at Guam. For new cranes, buildings, and other structures, we provide innovative and economical earthquake-sound designs using the latest technology. We have performed seismic studies n:\promo\about liftech\! company overview.docx
4 using finite element time history analysis to evaluate the performance of several container crane and unloader structures. Crane Analysis Software We developed a proprietary program for the design and analysis of quay cranes and other container handling equipment. The program is capable of designing or analyzing cranes for the various international standards. We have licensed the software to select crane manufacturers. Computers We take pride in providing all employees with the latest computer technology. We use structural software that was written by Liftech, as well as third party software such as SAP 2000, RAM, AutoCAD, Autodesk Inventor, Microsoft Office Suite, and Adobe Acrobat. More Information For more information, please visit the Liftech website: n:\promo\about liftech\! company overview.docx
5 Nuclear and Heavy Lift Design Services Liftech has provided design and peer review of heavy lift and crane structures for nuclear power plants since the 1970s. Our work was performed in accordance with the requirements of the following applicable Codes and Standards: ASME NOG-1, Rules for Construction of Overhead and Gantry Cranes ASME B30.2, Overhead and Gantry Cranes (Top Running Bridge, Single or Multiple Girder, Top Running Trolley Hoist) CMAA Specification #70, Specifications for Top Running Bridge and Gantry Type Multiple Girder Electric Overhead Traveling Cranes No. 70 NUREG-0612, Control of Heavy Loads at Nuclear Power Plants NUREG-0554, Single Failure Proof Cranes for Nuclear Power Plants Services Provided Peer Review Seismic Criteria and Analysis Heavy Lift Engineering Design and Specifications Structural Upgrades and Repairs Fatigue Analysis, Design, and Evaluation Inspection Programs Crane Commissioning Program Crane Decommissioning Program
6 SELECTED FLOATING CRANE DESIGN AND REVIEW PROJECTS Job No. Client Year Capacity Project Description L1798 ZPMC ,000 t Ocean-going vessel, revolver crane: Design review of boom, A- frame strut, stays, and base. Optimized tub and collar structure. L1742 ZPMC ,000 t Ocean-going vessel, shear leg derrick: Design review of boom, A- frame strut, stays, and base. B1646 ABF ,700 t Barge, shear leg derrick: Design review of boom, shear leg, stays, barge reinforcement, tackle hardware, and boom skidding scheme. B ZPMC ,000 t Ocean-going vessel, revolver crane: Boom structure design and miscellaneous consulting. B1485 ZPMC ,000 t Ocean-going vessel, revolver crane: Boom structure design and miscellaneous consulting. B1282? Bickerton Iron Works t Self-propelled barge, revolver crane: Designed the crane structure initially for Paceco. This project involved a study to extend the boom length. J1312 The Dutra Group t Self-propelled barge, revolver crane: Feasibility review for the upgrade of the operating range of a 400 t derrick barge crane. B1194 Enron Eng t Ocean-going vessel, derrick barge: Reviewed damage and design repair procedures. B1148? Crowley Maritime ,000 t Twin barge system: Conceptualization of a twin barge floating crane scheme to remove abandoned offshore platforms. B799? AmClyde t Barge: Designed the conversion of a land-based stiff leg derrick to a floating crane for handling liquid natural gas tanks. B633 Westmont Industries t Revolver cranes on US Navy ships: Reviewed numerous cranes on behalf of client. B454 Amhoist , m m B454.01? Amhoist , m m M-6000 twin-luffing derricks on a semi-submersible for offshore work: Design and drawings for the booms and jibs. M-5000 twin-luffing derricks on a semi-submersible for offshore work in North Sea: Design and drawings for the booms and jibs. J411 V582 Paceco and Smith Rice Matson Navigation t to 300 t Self-propelled barge, revolver cranes: Structural design of crane components and foundation t Container vessel, revolver crane: Reviewed structural design of cranes built by Mitsui and used for loading and offloading containers in Hawaii. N:\Promo\Experience Lists\! FloatingCranes.docx
7 SELECTED HEAVY LIFT AND RIGGING PROJECTS Job No. Client & Location Year Project Description B1932 M1790 B1845 S1762 B1747 B1370 B1385 Paceco Corp. Hayward, California Bigge Power Constructors San Leandro, California Global Rigging & Transport Nevada Torrance, California Los Angeles, California Various Siemens Westinghouse Talbot County, Georgia 2012 Upgrades to Jacking Frame: Designed upgrades to jacking frame for raising cranes that was originally designed for in Heavy Lift Crane for Large Scale Modular Construction: Assisted Bigge s engineering team with the design of the boom, mast, and carriage assemblies of the new crane, and structural analysis of the crane assembly. The crane is rated for 4,000 short tons at a radius of 240 ft from the center of rotation Round Mountain Tunnel Relocation: Designed a special purpose transporter assembly to relocate four concrete tunnel sections, each weighing up to 1,100 tons Paceco 962 Gage Modification: Designed a rigging system to raise the landside of the crane, cut the landside legs under the portal beam, and rotate the legs over five ft to the new gage position Hitachi Cranes 14, 16, and 17 Modification and Relocation: Designed a jacking system for raising the cranes to install a full length cap below the existing sill beam. The system used an existing move truss system to move the cranes on to and off of a barge. Cranes were relocated from Los Angeles to Guam Crane Move System: Designed an easy-to-ship-and-assemble crane move system for moving container cranes. The system reduced impact on crane downtime and impact to operations Transformer Offload: Peer review of cranes and rigging for the offload of a transformer at Talbot Energy Facility. B1366? Siemens Westinghouse Blythe, California 2002 Equipment Offload: Peer review of cranes and rigging for the offload and transport of gas turbines and generators. M1286 M1262 B1193 Bechtel Power Haddam Neck, Connecticut Rigging International Haddam Neck, Connecticut Los Angeles, California 2000 Connecticut Yankee Nuclear Plant Decommissioning: Analysis, review, inspection program, and documentation to recommission the existing polar crane Connecticut Yankee Nuclear Plant Decommissioning: Supported the rigging contractor in the analysis and design of components for an 800T lift for removal of a nuclear reactor and cask Staples Center: Structural engineering supporting the rigging contractor to assemble, erect, and rig the roof structure. B1267 ACME Engineering 1998 Jacking Frame Design: Designed a jacking frame for raising cranes. B1102 Commonwealth Edison Illinois 1997 Steam Generator Replacement: Peer review of cranes and rigging for steam generator replacement at a nuclear power plant. N:\Promo\Experience Lists\! HeavyLift&Rigging.docx
8 Selected Heavy Lift and Rigging Projects Page 2 of 2 Job No. Client & Location Year Project Description B1081 B1084 Rochester Gas & Electric Rochester, New York Various 1996 Steam Generator Replacement: Peer review of cranes and rigging for steam generator replacement at RGE nuclear power plant Designed a jacking frame enabling crane raise in less than a week and reducing crane out-of-service time. J1014? Rigging International Mihama, Japan 1994 Steam Generator Replacement: Analysis and design of polar crane structure for replacement of 350 ton steam generators at nuclear power plant. J1014? Rigging International Japan 1993 to 1994 Steam Generator Replacement: Analysis and design of jack trolley hardware, rotating spreaders, and support beams for replacement of 350 ton steam generators at a nuclear power plant. B848 WC34? Rigging International Palisades, Pennsylvania Paceco Corporation California 1990 Steam Generator Replacement: Analysis and design of jack trolley hardware, rotating spreaders, and support beams for replacement of 350 ton steam generators San Onofre Nuclear Power Plant: Design of polar and gantry cranes. ~ Paceco Corporation Various 1970s to 1980s Designed various polar and gantry cranes for nuclear power plants. n:\promo\experience lists\! heavylift&rigging.docx
9 SELECTED RIGGING SYSTEMS AND METHODS Project Year Project Description Reference Round Mountain Tunnel Relocation, Nevada 1,700 t Shear Leg Derrick Floating Crane Paceco 962 Gage Modification Hitachi Cranes 14, 16, and 17 Modification and Relocation Bickerton Crane Move System Connecticut Yankee Haddam Nuclear Plant Decommissioning Staples Center, Los Angeles 2010 Designed a special purpose transporter assembly to relocate four concrete tunnel sections, each weighing up to 1,100 tons Structural engineering including designs for the erection, skidding, and stowing of the derrick boom for transport of the derrick Designed a rigging system to raise the landside of the crane, cut the landside legs under the portal beam, and rotate the legs over 5 feet to the new gage position Designed a jacking system for raising the cranes to install a full length cap below the existing sill beam. The system used an existing move truss system to move the cranes onto and off a barge Designed an easy-to-ship-and-assemble crane move system for moving container cranes. The system reduced impact on crane downtime and impact to operations Structural engineering supporting the rigging contractor to remove the reactor vessel for offsite disposal Structural engineering supporting the rigging contractor to assemble, erect, and rig the roof structure. Global Rigging & Transport, LLC American Bridge Company Rigging International Jacking Frame 1996 Designed a jacking frame enabling crane raise in less than a week and reducing crane out-of-service time. N:\Promo\Experience Lists\! RiggingSystems&Methods.docx
10 Nuclear Reactor Vessel Removal Haddam Neck, Connecticut Bechtel Power Corporation executed the decommissioning of the Connecticut Yankee Nuclear Power Plant. The reactor vessel was removed for offsite disposal. Rigging International was a subcontractor for the reactor vessel removal. Liftech assisted Rigging International and Bechtel Power Corporation. The lifting scheme took advantage of the existing polar crane. A shoring tower provided an additional support for the polar crane during the lift of the reactor vessel. Liftech also analyzed the polar crane, designed the stiffening required to strengthen the structure, and provided Bechtel with a report for the qualification of the polar crane for use after the lifts were complete. This report included a detailed crane history and crane analysis. Reference: Rigging International Beachwood, Ohio, USA Key Project: S05
11 4,000 t Floating Crane Design Review Guangdong Salvage Bureau, China Liftech provided structural design assistance and review services to ZPMC and assisted them in developing the overall concept and layout arrangement. Liftech also provided preliminary design of the boom tip and typical details of the boom structure, checked member sizes, reviewed design drawings of typical details, and provided suggestions for improvement. Reference: ZPMC Shanghai, China The crane has a 4,000-t capacity at 40-m radius on the main hook. It has two auxiliary hooks with capacities of 800 t and 150 t. The top of the boom measures 21 m above the water line at the 40-m radius. ZPMC built the floating crane, which will be used for heavy lift work. Key Project: S07
12 1,700 t Floating Crane Design Review Left Coast Lifter American Bridge/Fluor Enterprises Liftech provided design assistance and review services to American Bridge/Fluor Enterprises (ABF) for procurement of a shear leg derrick. The derrick is used to erect the major components of the San Francisco-Oakland Bay Bridge selfanchored suspension span. The crane with a 100-m boom has 1,700 t capacity at 60 degrees. The crane has two auxiliary hooks with capacities of 100 t and 10 t. The boom is configured to lay down for transport within the USA river system. The 100 ft wide x 400 ft long barge has removable floats for increased stability. The derrick and barge floats are made by ZPMC in China. The barge was fabricated by US Barge LLC in the United States and towed to ZPMC for mounting the crane. Liftech s services included development of the technical specifications, design review and assistance, and fabrication review assistance. This project has received three awards. In 2010, it was awarded the Structural Engineers Association of Northern California Excellence in Structural Engineering Award in the Study/Research Guidelines category. Also in 2010, it was awarded the Structural Engineers Association of California Excellence in Structural Engineering Award in the Special- Use Structures category. In 2011, it was awarded the National Council of Structural Engineers Associations (NCSEA) Excellence in Structural Engineering Award, Outstanding Project, in the Other Structures category. The Outstanding Project Award is the highest honor in the NCSEA Excellence in Structural Engineering Awards program. Reference: American Bridge Company Coraopolis, Pennsylvania, USA Key Project: S08
13 Crane Move System Liftech designed a crane move system for moving container cranes that was easy to ship and assemble. Liftech designed a modular system with container sized components for shipping. The system can be assembled away from a crane, allowing the crane to continue working until it is moved. The container crane is secured to the system with four pins and lifted for transport. The crane move system can move 50 ft to 100 ft gage cranes that weigh up to 1,600 t on wharf decks that are designed for 1,000 psf live loads. Client: Torrance, California, USA Key Project: S12
14 Round Mountain Tunnel Relocation, Nevada, USA Global Rigging & Transport, LLC (GRT) was retained to relocate four concrete tunnel sections within the Round Mountain gold mine facility in Nevada. Each tunnel section, weighing up to 1,100 tons, was lifted using a special purpose transporter, moved along approximately 1.5 kilometers of the terrain with slopes of up to 5%, and set at the new location. GRT conceptualized the transporter scheme and retained Liftech to design the transporter assembly and verify the tunnel structure for the transport loads. The transporter was supported on 28 hydraulically connected dollies to provide a three-point support. Each tunnel section was lifted using rods that were supported on jacks mounted on top of beams spanning over tubular columns. For traveling on an inclined grade, each tunnel section was held in position with longitudinal rods attached between the tunnel bottom and the transporter bottom. Long cylinders with jacks between the tunnel and the transporter in the transverse direction kept the transporter frame from spreading and overloading the dolly wheels. The tension in the longitudinal rods and the transverse jacks was continually adjusted as the tunnel section was raised or lowered. The tunnel lift rods were attached to brackets mounted on each side of the tunnel walls at four locations with bolts drilled through the 27-inchthick walls. Reference: APL Limited Los Angeles, California, USA Key Project: S14
15 Columbia Giant Specialty Derrick Crane Columbia, Washington With a lifting capacity of 660 tons, the Columbia Giant meets the safety requirements for the Atomic Energy Commission heavy lifting projects. The derrick sits on a steel grillage on an existing dock so it can be slid out of the way when not in use. The pipe compression struts are above grade and can be disassembled. The boom and poles can be removed or reused for other derrick or gin pole applications. Liftech s services included review and design of reinforcing for the transshipping barge, and design of the derrick including connections, backstay supports, dock modifications, and review and design of additional pile supports for the dock. Mobile Giant Specialty Derrick Crane Mobile, Alabama The twin booms of the derrick reach 300 feet above the dock, have the lifting capacity of 1,600 tons, and can be hoisted separately or in tandem. The derrick was designed to meet the requirements for the Atomic Energy Commission heavy lifting projects. Liftech s services included design and detailing of all the major elements including the boom, mast, holdback foundation, holddown, and access tower. Reference: Rigging International USA Key Project: S16
16 8,000 t Floating Crane Design Review ZPMC supplied an 8,000 t double boom shear leg floating crane to Samsung Heavy Industries Company Limited. The crane has 8 main hooks, each with a 1,000 t capacity. The crane is rated for 8,000 t at 82 m from boom heel. Client: ZPMC Shanghai, China Liftech assisted ZPMC with developing the overall concept and layout, and designing various crane structural components. Key Project: S17
17 83 m Bigge Heavy Lift Cranes Bigge Power Constructors has built large capacity derrick cranes intended for large scale modular construction of nuclear power plants. Each crane rolls on a circular track. This particular application required a capacity of 4,000 short tons at a radius of 240 feet from the center of rotation, 836 short tons at 640 feet, and 500 short tons at 790 feet. This layout allows the crane to reach multiple locations within a plant, eliminating the need to relocate the crane during the project s construction. Liftech assisted Bigge s engineering team with the design of the boom, mast, and carriage assemblies of the new cranes, and structural analysis of part of the crane assembly. Liftech also provided peer review and engineering support for some other aspects of the project. Reference: Bigge Power Constructors San Leandro, California, USA Key Project: S21
18 Jacking Frame for Raising Container Cranes Various Locations The existing jacking equipment for raising container cranes required a long time to set up and disassemble. Some equipment imposed unacceptable loads on the dock. Liftech designed a jacking frame that enables BIW to raise cranes in less than a week. The frame is capable of raising cranes 30 feet, can withstand up to 75 mph winds with the crane raised, and is supported on crane sill beams. Reference: Torrance, California, USA The assembly is used for projects in the United States and overseas. Key Project: C08
19 Hitachi Crane Modification and Relocation Los Angeles to Guam Horizon Lines and Matson Navigation purchased three Hitachi cranes located in Los Angeles, California, for relocation to Guam. The cranes were upgraded and strengthened for typhoon winds. Upgrades included a lift height increase of 8 feet, new drives and controls, diesel power, and new tie-downs. References: Horizon Lines, LLC San Ramon, California, USA Matson Navigation Company Oakland, California, USA Liftech provided the structural design for upgrade and relocation, assisted with bid evaluations, and reviewed the contractor s work. Liftech also provided the design of the Guam wharf improvements in the crane stowage area. Key Project: C35
20 Paceco Crane Gage Change and Relocation Long Beach to Manzanillo, Mexico SSA Mexico relocated a 50 gage Paceco crane from the Port of Long Beach, California, to Manzanillo, Mexico. Reference: SSA Mexico Manzanillo, Colima, Mexico The crane was built around 1980 and was raised in the late 1980s. Liftech provided engineering to change the gage from 50 to 55 and for the associated rigging work. The frame was strengthened for higher wind loads, and new stowage brackets and tie-downs were added. Key Project: C38
21 Kocks Crane Modification and Relocation Port of Oakland to Massachusetts Port Authority Massachusetts Port Authority (Massport) purchased two Kocks low profile cranes from the Port of Oakland for capacity expansion of their Conley Terminal. The Oakland post-panamax Kocks cranes were a near-perfect match for the Conley Terminal. Low profile cranes, also known as shuttle boom cranes, are used where overall height is restricted because of aircraft clearance requirements. Because of their unique nature and limited demand, the cost of new low profile cranes is about 50% more than for a typical quay crane. Reuse of an existing crane is more attractive. Structural modifications required for the Massport location were limited to minimal frame strengthening for higher storm winds, addition of a boom latch, installation of an 11.5 riser at the landside equalizer system, gantry bumper modifications, and gantry stowage pin modifications. Liftech provided the procurement services to the Port of Oakland for the original Kocks crane purchase and assisted with the structural design of the cranes. Client: Fay, Spofford & Thorndike, Inc. Burlington, Massachusetts, USA Liftech surveyed the condition of the cranes before the purchase and developed construction documents for modification and transport of the cranes from the Port of Oakland to Massport. We also provided bid review assistance and construction support services. Key Project: C48
22 Paceco Crane Damage Assessment and Repair San Antonio, Chile Two Paceco cranes operated by San Antonio Terminal Internacional at their San Antonio Terminal in Chile suffered damage when the cranes were struck by departing ships in the aftermath of the February 2010 magnitude 8.8 earthquake. One crane suffered significant damage to the boom and the portal frame. The other crane suffered significant damage to the boom and the trolley. The port was concerned with the structural integrity of the cranes and that the damaged cranes would cause long-term interruption to the port s operation. We worked with the contractor to develop the repair concepts, including an innovative frame straightening concept and a strongback system to support the damaged legs and portal beams. We provided design drawings for the frame straightening and the frame and boom repair. Reference: San Antonio Terminal Internacional San Antonio, Chile Within days of the earthquake, Liftech sent a structural engineer to the site to assess the crane damage. We provided a damage assessment report, which allowed the port to evaluate whether to replace or repair the cranes. The port decided to repair the cranes since repairs would be completed within a few months and at a fraction of the cost of buying new cranes. Key Project: C54
23 Staples Center Los Angeles, California Staples Center, completed in 1999, is the home of the LA Lakers, Clippers, and Kings. Bickerton Iron Works was the rigging contractor selected to assemble, erect, and rig the roof structure. Liftech was retained by Bickerton as the structural engineer. The 435-foot-diameter roof of the arena is supported in the middle by a 64 ft wide x 45 ft deep cigarshaped truss called the Supertruss. At every Supertruss bay, secondary trusses span from the Supertruss to the arena walls. The Supertruss was assembled more than 100 feet in the air in five sections using shoring towers. Once each Supertruss section was lifted onto its shoring towers, the secondary trusses were put into place, then the roofing and mechanical systems were installed. This method allowed all disciplines to work simultaneously. When the entire roof assembly was erected, the jacks on the Supertruss shoring towers were lowered until the Supertruss carried the weight of the roof. The Supertruss passed the test of carrying 80 tons of staging, in addition to the roof, for the Grammy Awards. Reference: Torrance, California, USA Key Project: B03
24 COMPANY PRINCIPALS Erik Soderberg President, Structural Engineer Mr. Soderberg is a skilled designer and project manager. He is experienced in the design, review, repair, and modification of a variety of structural and crane related systems including wharves, container cranes, and bulk loader structures. Other structures include crane lift and transfer systems and concrete and steel floats. He oversees the technical and contractual aspects of Liftech s projects in addition to his design work. Michael Jordan Technical Director, Structural Engineer Mr. Jordan is an internationally recognized expert in the container crane industry. He has been involved in the evolution of the container industry since participating in the structural design of the first dockside container crane for Matson in Since then, he has designed the structures of thousands of duty-cycle cranes, prepared numerous specifications for the design of duty-cycle cranes, and investigated fatigue damage problems and major failures caused by fatigue crack growth and brittle fracture. Mike is Liftech s founding principal. Arun Bhimani Chairman of the Board, Structural Engineer Mr. Bhimani is an expert in all phases of container crane and wharf design. He has developed innovative solutions to container crane design problems, including a technique for combining analysis with heat straightening for repairing damaged container crane booms, the first seafastening design for transporting fully erected container cranes on barges, and a structural maintenance program used to periodically inspect cranes. Catherine Morris Vice President, Structural Engineer Ms. Morris has a wide range of experience in the design of buildings, container cranes, and miscellaneous special structures. She is the principal in charge of most of Liftech's building projects. She has worked on all facets of container crane design including the design of new cranes, review of crane designs, design of modifications, and voyage bracing. She has also reviewed and designed reinforcing for barge structures for transport of various equipment, designed chassis storage racks, and analyzed and designed equipment to lift and replace steam generators in nuclear power plants. Jonathan Hsieh Vice President, Structural Engineer Mr. Hsieh is experienced in design, review, analysis, and modification of container cranes, bulk handling cranes, and special structures. His expertise includes crane procurement, fatigue failure investigation and repair, and computer modeling and analysis. He has also worked on structural maintenance programs, seismic design of container cranes, crane instrumentation, and voyage bracing.
25 Sugiarto Loni Principal, Structural Engineer Mr. Loni has extensive management experience and design expertise with marine terminal structures including crane-wharf interface, container and intermodal yard structures, building facilities, and marine structures. He is responsible for contract negotiations, technical oversight, and quality assurance of project deliverables. His work includes managing a variety of engineering projects ranging from small projects with short duration to large projects with multi-discipline coordination. As project engineer, he performs civil and structural design of marine terminal facilities, seismic retrofit design of existing building structures, and civil and structural design of wharves and marine structures. Kenton Lee Principal, Structural Engineer Mr. Lee is experienced in design, analysis, and project management of container cranes, floating cranes, rigging, and special structures. Container and floating crane procurement projects and crane modification projects are his specialty, but he is also deeply involved in other types of engineering projects, such as the preparation of structural maintenance programs and project management of wharf projects and baffle/burner structures in power plant ducts. Some of the technical aspects of his work that are of special interest to him are steel connection design, wind effects on structures, wind tunnel testing, and structural fatigue of steel structures. Derrick Lind Principal, Structural Engineer Mr. Lind is experienced with project management, design, review, analysis, and modification of many types of structures, including container cranes, unique industrial equipment, buildings, wharves, and bridges. He specializes in all facets of crane modification, including crane raises, boom extensions, capacity upgrades, and wheel load feasibility studies. His work has included crane procurement, structural analysis and design, checking shop drawings, developing construction documents, and managing design teams and project budgets and schedules. Patrick McCarthy Principal, Professional Engineer Mr. McCarthy is a Liftech principal and registered professional engineer. He is experienced in container crane procurement, modification, design, structural life assessment, and writing technical specifications. He has been involved in wind tunnel and numerous other wind-related studies and is an associate member of the Wind Load Subcommittee of ASCE-7. N:\Promo\About Liftech\! Company Principals.docx
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