REQUIREMENT
The location for the handrails to be installed were in a six-foot area between the tracks of the main train route at Trier station Germany. The ground conditions were favourable for an Anchor Post installation as the contractor was installing in good compacted ground adjacent to ballast. On observation the SPT’s were somewhere between n=10 and n=20.
This project was to replace a temporary plastic handrail system that was mounted onto an old Krinner post system. This handrail had been condemned by Deutsche Bahn as they required a more robust system.
The Anchor Post was tested as an alternative foundation solution and Deutsche Bahn were present to review and approve the Anchor Post handrail system. The mounted handrail system was produced from GRP and connected to our bespoke interface plates produced for the GRP.
SOLUTION
The existing handrail system was removed and taken offsite and the 30No. 1200mm Anchor Post positions were marked as per the modular GRP handrail system at 1.5m centres. The Anchor Posts and interface plates were loaded out and placed at the installation positions.
Handheld percussion tools were used to drive the Anchor Posts into the ground. Each Anchor Post was installed in 45-60 seconds once the process of installation was started. There were instances where the drive steel within the Anchor Post could get stuck after the process of installation, however the drive steel was easily removed using the extraction equipment.
A 45m GRP complete handrail system was installed with the removal of the old system within a single shift of seven hours. The interface plates allowed for good flexibility to the fixing and positioning process. In many instances the installation process could not exactly provide a line and level that was always accurate at ground level. The domed connection plates allowed for any misalignment on a 360-degree basis on plan and up to seven degrees of misalignment form the vertical.
The Anchor Post solution provided a number of installation attributes that did not require any additional parts to be added to the mounting of the GRP handrail on to the Anchor Post system. Time savings were evident due to the speed of installation from conventional systems and a safer working environment was also achieved by minimising the time on site during train running hours.
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Member-created content 4 years ago | By Made in Britain