Design, installation and maintenance guidance for gravel surfaces Truckcell™ cellular paving is suitable for a wide range of trafficked applications and landscaped areas where a confined, free-draining gravel surface is required and where frequent heavy vehicle laodings are expected. Typical applications include: coach and truck parks, fork lift areas, emergency access and maintenance routes. Compacted, clean, coarse grit sand bedding layer Truckcell™ paver filled with specified 7-10mm diameter angular gravel/aggregate Firmly-fixed retaining edges to specification Compacted sub-base: a free-draining Class 805 DoT Type 3 (open graded) granular aggregate or pipe-drained Class 803 DoT Type 1 Sub-base thickness (D) from Table 1 Subgrade strength (CBR) & pavement application determine sub-base thickness (D) Existing subgrade or capping layer Technical specification System Surface finish Anti skid Colour Paving unit size Coverage rate Cell dimension Cell wall thickness Weight Load bearing capacity Connection & interlock Chemical resistance UV stability Infiltration capacity Bedding layer material Bedding layer thickness SLW60 - Vehicles up to 60t gross weight Integral tongue & groove Butt jointed Optional Trigrid EX30/30 geogrid and/or Abtex NW8 geotextile High resistance to colour & strength degradation Limited by the permeability of the specified infill material Clean, coarse grit sand 20mm Cell infill material 7-10mm diameter, clean hard, free-draining, angular aggregate or gravel Cell infill thickness Design, installation and maintenance guidance for gravel surfaces Finished level to be level with top of cells Upper Filter/Separator Geotextile Sub-base type Sub base thickness Sub-base reinforcement (optional) ABG Terrex NW8 Geotextile. 1mm thick – 100g/m2 - 8kN/m2 DoT Type 3, Type 1x, Type 4/40 or Type 1 Refer to Table 1 for thickness ‘D’ in millimetres (mm) Trigrid EX30/30 Lower filter/separator geotextile (optional) ABG Terrex NW8 Geotextile. 1mm thick : 100g/m2: 8kN/m2 Sub-base attenuation (optional) Geomembrane containment system and Geotextile protection (optional). This information is supplied in good faith and without charge to enable reasonable assessment of the practical performance of ABG products. Final determination of the suitability of information or material for the use contemplated and the manner of the use is the sole responsibility of the user. As design and installation is beyond the control of ABG (unless specifically requested) no warranty is given or implied and the information does not form part of any contract. ABG reserve the right to update the information within at any time without prior notice. ©2014 ABG Ltd

Installation Guidance The following generic guidance must be read in conjunction with the specific project specification within the contract documents and the design notes below. 1. Install the specified optional Geogrid, Geotextile and /or Geomembrane onto the prepared subgrade formation. 2. Install the specified sub-base layer and optional drainage. 3. nstall any edge restraints which may be specified. I 4. nstall the ‘upper filter/separator’ geotextile on top of the subI base layer. 5. nstall the specified sand bedding layer to a uniform thickness. I 6. nsure an accurate right-angled Truckcell™...