Removing the 3 meter long studs on the bucket wheel drive output of a Sandvik stacker reclaimer is a difficult and lengthy operation. Operating conditions corroded the studs and the confined location of the stud does not allow access with traditional removal equipment. Previous operations required more than 10 hours to remove each stud and used up to 120 tons of force to push and pull a total of 16 studs.

In 2013, Jakarta, the capital city of Indonesia, broke ground on a mass rapid transit (MRT) system in hope to alleviate the city’s traffic congestion. The rail-based MRT is expected to stretch across over 108 kilometers. A tunnel boring machine (TBM) is being used to construct the underground routes. One of the critical phases of the tunnel construction is the pass through, in which the TBM needs to be moved through the underground stations to be relocated to the next drilling position.

Hiap Seng provides pipe line maintenance services for Shell at their Pulau Bukom oil and petrochemical production facility. Removing corroded or frozen nuts is a common challenge when performing pipe maintenance. A frequent approach for removing corroded nuts included a chisel and hammer, flogging, or gas torch; however these methods often damage the flange face, bolt or gasket and take 15 to 30 minutes per nut.

Minimizing the amount of time state highway 266 was shut off to traffic was a primary objective during the reconstruction of the bridge structure over Holbrook Canal. Utilizing an innovative Accelerated Bridge Construction (ABC) method Kiewit, Jacobs Engineering and the Colorado Department of Transportation developed a plan to build the replacement bridge adjacent to the existing bridge. The new bridge was initially used as a detour while the deficient bridge was demolished. Once demolished, the new bridge was then closed to traffic and needed to be slid into the position of the original bridge.

The Bonneville Power Administration needs to maneuver and replace transformers at their power plants and stations during outages. During an outage, the maintenance team often needs to replace a transformer. Their existing process for replacing a transformer required multiple workers operating different pieces of equipment in coordination. BPA was seeking equipment to simplify and improve the safety of their current process.

Built in 1965, NASA’s crawler-transporters have carried rockets and spacecraft to the Kennedy Space Center launch pad for more than 40 years. The crawler-transporters will continue to be critical elements for future launch operations; however modifications are required in order to transport a rocket and launch tower combination heavier than the Saturn V moon rockets the crawlers were designed for.

The removal of raise bore reamers has traditionally been a hazardous, complex, costly and time-consuming process.

Spinta della copertura da 4.000 tonn. fuori fino a suo posto

The construction of the 4.5 km Waterview Connection motorway included the deployment of an Earth Pressure Balance Machine to bore a 2.5 km underground twin tunnel. Commencing the tunneling process required positioning the 3,600 ton tunnel boring machine into its starting position.

The KiwiRail project by Downer, completed this year, will permanently improve the country’s main trunk rail network and allow more freight to be carried over strongly refurbished structures to busy destinations including ports and intermodal facilities.

Petrobras is constructing a new offshore oil platform for an oil field in the Santos Basin off the coast of Rio de Janerio. Jaragua Equipamentos was tasked with assembling 4 modules during the construction of an oil rig. Each module weighed more than 700 tons and required precision lifting and alignment during assembly.

South Carolina Electric & Gas Company (SCE&G), principle subsidiary of SCANA Corporation, and Georgia Power were both working on nuclear generation station expansion projects in their respective states. SCE&G was tasked to place a 2.4 million pound CA01 module in the first of two new nuclear plants at the V.C. Summer nuclear generating station in Jenkinsville, South Carolina. Georgia Power was placing the same module for Unit 3 at the Plant Vogtle nuclear expansion.