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Enerpac has gained unique expertise in delivering hydraulic solutions for the controlled movement and positioning of structures.

Offshore Highway Construction - Lifting Challenges
Offshore Highway Construction - Lifting Challenges

The offshore highway is of a multi span bridge structure located in the open sea 100m to 200m from the shoreline. Each bridge pier consists of various concrete components, one of which will be a reinforced concrete, gravity base, which is placed on the seabed.

Infrastructure
Removing the Spans of the old Bay Bridge in Record Time
Removing the Spans of the old Bay Bridge in Record Time

The San Francisco-Oakland Bay Bridge spans San Francisco Bay in California. As part of Interstate 80 and the direct road between San Francisco and Oakland, it carries about 270,000 vehicles a day on its two decks, and has one of the longest spans in the United States.

Bridges
Replacing the Elvira Railroad Bridge Span with a Jack-up System
Replacing the Elvira Railroad Bridge Span with a Jack-up System

The Elvira Railroad Bridge, built in 1906, spanned across the Cahaba River in Helena, Alabama. The old double-track open deck superstructure had reached the end of its useful life and was scheduled for replacement with a new single-track ballasted deck superstructure. Burkhalter, lifting, rigging and transport professionals, was selected to execute the replacement of Span 2 over the river.

Rail
EVO Synchronous Lifting System lifts a 200 tonne wheel loader safely and efficiently despite uneven ground
EVO Synchronous Lifting System lifts a 200 tonne wheel loader safely and efficiently despite uneven ground

Lifting heavy machinery such as haul trucks and wheel loaders can be a challenging task without the right system in place. The process of assembling and transporting an over-dimension vehicle requires several steps, some of which may involve locating and positioning the lifting equipment at the appropriate lift points, removing the wheels, attaching wheel stands, and lowering the vehicle to the ground followed by removing the lifting equipment. Thereafter, a multi-wheel trailer would be placed under the vehicle and the wheel stands removed before it is ready for transportation. Using short stroke cylinders without synchronous lifting would be time-consuming, cumbersome and could introduce additional risk if the load is lifted at different heights.

Mining
Lifting a Coker for Base Repair Maintenance
Lifting a Coker for Base Repair Maintenance

The base below a coker at a refinery in the Oil Sands needed to be repaired in order to stabilize the foundation. In order to perform the base repair maintenance the massive vessel needed to be lifted approximately 100 mm. Lifting a vessel weighing 600 tons, 9m in diameter and 40m tall required a solution with a high degree of safety, capable of maintaining the balance of the load throughout the lift.

Mining
Removal of Decommissioned London Tube Trains with a Hydraulic Gantry
Removal of Decommissioned London Tube Trains with a Hydraulic Gantry

Nine London Underground 1983 model stock trains were decommissioned and abandoned in the South Harrow sidings in 1998 when the 96 model stock trains were introduced. The poor condition of the 83 train cars made it unsafe to haul out onto the network to a depot. Sonic Rail Services were contracted by the Station Works and Improvement Program (SWIP) of London Underground to remove the carriages from the South Harrow station sidings, with minimal disruption to the network and to undertake the necessary remedial repairs to the track.

Rail
Installation of Tidal Turbines on the Eastern Scheldt Storm Surge Barrier
Installation of Tidal Turbines on the Eastern Scheldt Storm Surge Barrier

The Eastern Scheldt (Oosterscheldekering) is a series of dams and storm surge barriers protecting the Netherlands from flooding from the North Sea. Part of a renewable energy project included the installation of five tidal turbines on the storm surge barrier. Huisman Equipment was tasked with the construction of steel structure to mount the tidal turbines to the barrier. Installation of the Tidal Power Plant needed to be completed with precision and pace. Changes in the water levels and the tide required the entire installation be complete in a two hour window.

Power Generation
Jacking & Skidding a Tunnel Boring Machine for the Next Drilling Phase
Jacking & Skidding a Tunnel Boring Machine for the Next Drilling Phase

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.

Infrastructure
Enerpac helps the Beijing’s "Bird’s Nest" to stand on its own feet
Enerpac helps the Beijing’s "Bird’s Nest" to stand on its own feet

After two years of construction, the main venue for the 2008 Beijing Olympic Games came to a final and most important part of the construction of its steel structure: the dismantling of the temporary support towers. Computer-controlled hydraulics is the perfect match for jobs like this, and Enerpac was granted the contract to perform the stage lifting and lowering of the roof.

Stadiums
Gas Turbines Installed at Takhiatash Powerplant with a Hydraulic Gantry
Gas Turbines Installed at Takhiatash Powerplant with a Hydraulic Gantry

Istanbul-based, Hareket Heavy Lifting and Project Transportation Co. has completed the installation of power generation equipment at the Takhiatash thermal power plant in Uzbekistan using an Enerpac SBL1100 telescopic hydraulic gantry. The gantry was used to lift and place two sets of gas turbines and generators weighing 357 ton and 292 ton respectively.

Power Generation
Enerpac JS-250 Jack-Up System Deployed for Bridge Removal
Enerpac JS-250 Jack-Up System Deployed for Bridge Removal

The extension of Runway B at Narita Airport required the creation of a new grade-separated intersection between the Higashi-Kanto Expressway and the extended section of Runway B.

Infrastructure
Enerpac JS-250 for Aertssen Cranes Bridge Deck Installation
Enerpac JS-250 for Aertssen Cranes Bridge Deck Installation

Aertssen Cranes was tasked with first positioning two abutments, each weighing 350 tonnes, and then installing the bridge deck, over a weekend.

Infrastructure
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