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GeoSTACK ChambersOur Chambers are a high performance, pre-formed underground access entry points capable of housing our Manifold solutions. Certified for up to 40 tonnes.
Developed for quick installations, even in the most difficult location, the GeoSTACK underground access chamber system is used by many industries due to its immense strength, light weight, adaptability and dramatic project cost saving.
Design The GeoSTACK access chamber consists of four modular panels that are bolted together in each corner to form an easy to handle, robust, 150mm deep chamber ring. A finished chamber is produced by simply stacking the rings to the required depth.You can even restrospectively increase the height of an existing installed chamber! The ribbed structure design improves chamber performance through efficient material usage and resists both vertical and lateral applied loads. The GeoSTACK provides a full 76mm width-bedding area for the access cover and frame as required in the Highways Agency Design Manual for Roads and Bridges - HA104/02.
Material GeoSTACK access chambers are manufactured in DMC (Dough Moulding Compound) and SMC (Sheet Moulding Compound), which are a mixture of polyester resins, glass fibre and fillers. These materials are typically five times stronger than thermoplastic alternatives and are resistant to many acids, alkalis and aggressive water and soil. Testing Our GeoSTACK solutions have been rigorously tested by third party UKAS accredited test facilities Sizes from Stock The following sizes are Height configurable in 150mm steps, i.e. 600mm, 750mm etc 900mm (L) x 600mm (W) Our lids are for pedestrian loads (1.5 tonnes), 12.5t and 40t available on request. We can supply other sizes to order (up to 2.5m x 2.5m), please call us for more details.Summary · One stop installation, no specialist tools or knowledge required · Simple - Fast - Reliable · Lightweight, flat packed for cost effective transportation & storage · Maximum flexibility of duct entry location in side or end walls · Excellent vertical & sidewall stiffness · Excellent chemical & weathering resistance
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Whilst the GeoSTACK is of a comparable cost to that of traditional methods such as concrete or brickwork the overall project cost saving is considerable. The chambers can be built by non-specialist labour, require no lifting equipment on site, are at full strength from the moment of installation and fully conform to manual handling regulations. A typical installation of a 1220x600x900mm deep chamber will take no longer than 2 hours, including backfilling, whereas a concrete or brickwork chamber can take anything up to 4 days to complete.