Anchor Post

Our Anchor Post is a versatile and adaptable foundation system for small to medium lightweight structures such as signage posts and lighting columns. Since its inception in 2007, London Underground have utilised the Anchor Post as a replacement for traditional concrete foundation bases and have installed 40,000+ systems, to date, for various structures and applications.

Our patented Anchor Post is ideal for situations that require a fast and efficient installation process due to time and access constraints. The installation of an Anchor Post does not require the use of heavy machinery and can usually be driven into the ground, on average, within 1 to 8 minutes with the added benefit of being able to mount your structure immediately.

Key Benefits of the Anchor Post

No concrete so no drying or curing times
Speed and ease of installation
Full Installation can be completed in one visit
Installed using hand held equipment
No digging required
50-year design life
Multiple sizes
Multiple designs
Versatile and adaptable
Bespoke designs available
Training available
Large stock holding of all installation equipment for hire or purchase
Installation guides and other relevant documentation available on request

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DESIGN & PERFORMANCE

Anchor Posts come in a variety of different sizes and designs for different uses and applications. They can be designed to work singularly or to combine with each other to suit larger structures.

The domed head of the Anchor Post allows the structure to be adjusted level if the Anchor Post does not get driven into the ground squarely and therefore negates the need for shims that would otherwise be used to perform this task. The Anchor Post can also be designed to marry up to any structure using a bespoke designed interface plate if required, allowing for any flexibility and adjustment needed for a precise installation.

We have developed all the plant required for the installation, removal and testing of the Anchor Post and hold a huge stock at our headquarters in West Sussex. Anchor Systems also provide a full suite of training packages to suit your requirements and installation.

We offer a complete design service and have a knowledgeable and friendly team that will be happy to help and guide you through any enquiry.

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APPLICATIONS & TYPICAL USES

Applications and uses

Trackside cable management (CRMS)
Cable stiles
Lighting and signalling post foundations
Embankment steps and walkway foundations
Solar panels
Signage posts
Fencing posts
Barriers
Park and playground equipment
Rockfall barriers
Security fencing
Mooring bollards
Handrails
Park benches
Street furniture

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Cable Route Management System – CRMS

The original reason for Anchor Post concept was established when TfL approached Anchor Systems in 2007 to develop a cabling infrastructure system that could be installed quicker than a concrete foundation and in varying soil structures.

Anchor Systems within a year had created through design, prototyping and testing, the Anchor Post solution. The system performance is based on rapid installation with minimum maintenance.

2Fin Anchor Post System

Our 2 fin Anchor Post System was engineered and developed to help increase the cabling capacity along the current and existing routes. This particular Anchor Post can be driven within the tight space associated with an existing cable run and can either be used to provide extra support generally or to increase the capacity directly above. This design has resulted in major benefits and huge cost savings as the alternative was to replace the entire cable run for a larger new one.

Multi Piece Anchor Post System (MPAP)

Our Multi-Piece Anchor Post was designed as a safe system to drive between existing cable runs that are heavily loaded on both sides with cables and eradicating any risk of the fins of a normal Anchor Post damaging the cables. This system allows the pin to be driven on its own, between the cables and through the fin section of the Anchor Post after it has been placed on the ground directly under the cables. This system has been successfully used on London Underground, since 2014, for replacing the thousands of failing CAT 4 concrete posts.

Anchor Post used to replace failing concrete base

Signal Post Replacement Solution

Anchor Systems were challenged with providing an engineered design for the Fog Repeater replacement programme. For some time, it has been identified that the Fog Repeater signals were failing due to the carbonation of the aging concrete that have been in use for over 100 years in some instances.

Anchor Systems designed and developed a solution for TfL where a Telescopic foundation system with a mast could be installed over the existing footprint of the original foundation system and allowed the signal head to remain in the existing position. The unique design allowed for a large amount of versatility that was required to span known and unknown obstacles in the ground and negated the need to reposition the whole structure. We also have a design in place that allows a smaller post to be mounted on a single 1.5 metre Anchor Post without the need for the Telescopic Base.

Anchor Post Telescopic Foundation System

Telescopic Foundation System for Cable Bridges

TfL had designed a Steel framework for transitioning cables from Bridge MR7A onto Track Level between Northbound Metropolitan and Jubilee lines. The designed concrete foundation solution would normally require the removal and re-routing of the existing drainage that was running through this area of the track. The ground condition in this area was contaminated and therefore any earth and ballast removal and disposal would be problematic. The required installation position for the cable framework was in close proximity to the track and therefore any excavation required for a traditional concrete foundation could potentially undermine the track.

Anchor Systems designed and developed the Telescopic base foundation system to fit within this limited space and with its telescopic legs also provided sufficient adjustment to allow the system to be installed over the existing drainage that was found to be an issue for a traditional concrete foundation to be used. As there isn’t a need for any excavation with the Telescopic foundation system, the sleepers and track were not compromised during installation at any time.