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Sarens
USA
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SARENS
IN THE USA

Sarens entered US Heavy lift and heavy haul space in 2009 by acquiring Rigging International, a company based in California. We officialy changed the name to Sarens USA, INC. in 2012.

Sarens USA, INC has offices in Houston from where we cover the Gulf area, in Montana from where we cover the Midwest, and in Rowesville from where we cover the East coast.

SERVICES

We provide Engineered Heavy Lifting Services

Heavy Lifting

  • We provide Project-based heavy lift services
  • Turnaround maintenance
  • Installation of turbines & generators
  • Erection of steel structures
  • Erection of heat exchangers
  • Installation of mechanical equipment, drums, casing / inlet ducts, vessels, pumps

Heavy Transport Services

  • Out of Gauge and abnormal load transport
  • Project based heavy transport
  • Rental of specialized transport equipment
  • Factory-to-Foundation

Decomissioning and Dismantling Services

Rental Services

  • We provide bare lease as well as operated rentals services
  • Skidding & jacking

OUR
MARKETS

  • New nuclear plant construction
  • Operating nuclear plant
  • Small Modular Reactor (SMR)
  • Decommissioning
  • Department of Energy (DOE)
  • Government
  • Thermal power plants
  • Oil & Gas
  • Petrochemical
  • Major civil projects including:
    • Airports
    • Bridges
    • Stadia
    • Ports & yards
    • Oversized heavy haul

EQUIPMENT

  • Hydraulic cranes
  • Cranes ranging from 90T to 3200T
  • Hydraulic jacks
  • Strand jacks
  • Self Propelled Modular Trailers
  • Semi trailers
  • Out of Gauge transport

OFFICES

Houston, Texas (Office & Yard)
10855 John Ralston Rd
Houston, TX 77044
Tel: 832 536 3669
Fax: 832 615 2678

Missoula, Montana (Office)
7168 Expressway
Missoula, MT 59808
Tel: 406 543 4427
Fax: 406 543 4505
Conf Rm: 406 532 3093

Rowesville, South Carolina (Office & Yard)
122 River Dr
Rowesville, SC 29133
Tel: 803 534 1348

Sorrento LA (Yard)
9204-A Highway 61
Sorrento, LA 70778

Sales
info.USA@sarens.com

Accounts
SarensUS.AP@sarens.com

Zwolle Bridge Project in the Netherlands
Sarens performs Zwolle Bridge operation for Victor Buyck Steel Construction.
10
March 2019

Sarens recently celebrated the success of a jacking and installation operation for the Zwolle Bridge in the Netherlands. The 950T, 108-metre long bridge, which is being built by ProRail, will cross over the train tracks at the Zwolle train station and serve about 1.200 buses per day. Construction on the bridge started in 2017 and is expected to be complete by January 2019. 

Sarens performed bridge jacking and installation on behalf of client Victory Buyck Steel Construction. To do it, the team used the following equipment, which was transferred by truck from Belgium: 

  • SPMT K24-ST
  • Jacking system CS450
  • Auxiliary steel (beams, plateaus, etc.) 

First, the team used four CS450 towers to jack the bridge about 8 metres above ground level. Then, as part of an installation operation that ran for 28 continuous hours, the team used three sets of SPMTs to position the bridge in place: a central group of four 10-axle lines with a fixed support structure, and a north and south group each with two 10-axle lines and four CS450 on top. 

Due to limited working space and the presence of the rail tracks, the crew could not position the central SPMT group below the bridge's centre of gravity, but had to move it further back. In order to stabilize the bridge and bring its centre of gravity further back, the team installed 420T of superlift ballast slabs. They also installed two tension connections between the bridge and central support structure. 

The steel bridge's special S-shaped design also required special accommodations. The team installed jacking towers on top of the north and south SPMTs to compensate for its large deformation. They also installed turntables that would allow the SPMTs below the bridge to rotate horizontally, because there was not enough space on site to manoeuvre them otherwise. 

With the bridge secured on the SPMTs, the team then performed a test lift and the first 25 metres of transport before transfer work began. 

The transfer happened in two phases. First, Sarens operators drove the bridge until the central SPMT group was at the edge of the rail tracks, and more than half of the bridge was then cantilevered above the tracks. Next, they installed the north SPMT group below the bridge on the other side of the tracks, and removed the central SPMT group. They continued the transfer with the north and south SPMT group, until the bridge was in its final position. 

Finally, the team jacked the bridge down onto its foundations using the CS450 jacking system on top of the SPMTs. 

The project was a success thanks to the efforts of two project managers, two site supervisors, four SPMT operators, and eight riggers/operators. Working continuous day and night shifts, they successfully completed the operation twelve hours ahead of schedule despite challenges like limited working space and the unique S-shaped bridge design. 

"On behalf of BAM Infra I would like to give everyone from Victor Buyck and Sarens a big compliment for the fabrication, jacking, transport and installation of the bridge," said Victor Buyck's client, BAM Infra. "After such a long and intensive process it is extremely satisfying that the bridge has arrived safely and well within planning at her final position."

Watch the video of the operation here!