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St Nicholas Court Farm

Project Details

Client: St Nicholas Court Farm

Location: Kent

Services: Precast Installation

Project: AD Silage Clamp

Product: Modular L Walls

Duration: 2 weeks

About the project

The 250kW Anaerobic Digestion plant on St Nicholas Court Farm in Kent was commissioned in 2014, their two existing silage clamps were constructed using 3m high earth bank clamps with a central dividing wall.

Additional storage was required for the AD plant and we began to look at options for the design of the walls to give maximum silage capacity.

The area of land available and the amount of storage required meant that the walls would have to be as high as possible to maximize the space.

It was decided that a three-sided single clamp with 4m high walls would be the preferred option; the clamp itself would measure 42m wide and 110m long.

To achieve the height required for the silage clamp walls and be able to take the surcharge for machines that would roll the silage, we put forward a proposal of using a 4230mm high x 2000mm wide modular retaining wall unit.

The total length of the clamp walls came to 260m, which would be installed over a three-day period. Once installed we would seal the 1000m of internal and external wall joints using Sika Tank-N mastic, which is designed for use with aggressive materials such as silage.

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