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555 GEOGRIDS
• Manufacturer: Contractor's choice.
- Product reference: Contractor's choice.
• Polymer type: Contractor's choice.
• Recycled content: Contractor's choice.
• Directional strength: Uniaxial.
• Tensile strength: Contractor's choice.
• Grid geometry: Contractor's choice.
- Direction of grids: Not applicable.
• Preparation of subgrade: Before laying geogrids,
remove humps and sharp
projections. Fill hollows.
• Fixing: Galvanized steel 'J' pins.
- Centres: site specific.
• Jointing: site specific.
560 GEONETS
• Manufacturer: Contractor's choice.
- Product reference: Contractor's choice.
• Recycled content: Contractor's choice.
• Preparation of subgrade: Before laying geonets, remove humps and sharp
projections. Fill hollows.
• Fixing: Galvanized steel 'J' pins.
- Centres: site specific.
• Jointing: site specific.
571 GEOCELLS
• Manufacturer: Contractor's choice.
- Product reference: Contractor's choice.
• Materials: Contractor's choice.
• Recycled content: Contractor's choice.
• Size of cells (length x width x thickness): site specific.
• Preparation of subgrade: site specific.
• Fixing/ Connecting: Galvanized steel 'J' pins.
- Centres: site specific.
610 COMPACTED FILLING FOR LANDSCAPE AREAS
• Fill: Material capable of compaction by light earthmoving plant.
• Filling: Layers not more than 200 mm thick. Lightly compact each layer to produce
a stable soil structure.
617 HIGHWAYS AGENCY TYPE 1 UNBOUND MIXTURE
• Fill: To Highways Agency 'Specification for highway works', clauses 801 and 803:
- Crushed rock (other than argillaceous rock).
- Crushed concrete.
- Recycled aggregates.
- Crushed non-expansive slag to clause 801.2.
- Well-burned non-plastic colliery shale.
• Amendments to requirements in Highways Agency 'Specification for highway
works': None.
• Filling: To Highways Agency 'Specification for highway works', clause 802.
RotF generic (intermediate) NBS 2014 6118-AEW-XX-XX-NBS-A-01
