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Mersey Gateway, Cheshire

Project data

Location: Cheshire, United Kingdom

Purpose: Merseyside’s transport network is undergoing significant improvements. The Mersey Gateway will provide an alternative route, reducing congestion and generating an estimated £61.9m in Gross Added Value by 2030.

Date of Completion: 2017

Requirements

Merseylink Civil Contractors required formwork solutions for the lower pylons and hammerheads.

Customer

Merseylink Civil Contractors (FCC Construcción S.A., Kier Infrastructure and Overseas Limited and Samsung C&T Corporation)

Customer's benefit

Stable work platform amidst high winds

Intricate concrete finishing

Accommodates complex geometries for pier table formwork

Hydraulic ACS enabled crane-independent working operations

 


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PERI solution

  • VARIO GT24 formwork with SB Frames and VARIOKIT system were employed to construct the hammerheads. Unlike a typical application, we employed the frames as a platform, creating a unique design for the intricate shape of the hammerhead.
     
  • Once the central hammerhead had been completed, the platform was reused for the pier tables. Sequenced construction avoided the accumulation of vertical forces; ensuring a safer, more manageable process.
     
  • Once the lower pylons and hammerheads had been completed, the central pier table and three different-sized pylons were constructed.
     
  • With the south pylon rising to 125m high, the ACS and custom formwork platforms were on hand to combat the challenging wind speeds.