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Q24 Interlocking brick/ block roads/ pavings
TYPES OF PAVING
110 CONVENTIONAL CONCRETE BLOCK PAVINGgenerally
• Subgrade improvement layer: Highways Agency Type 1 unbound mixture, as
section Q20.
- Compacted thickness: site specific.
• Granular sub-base: Highways Agency Type 1 unbound mixture, as section Q20.
- Compacted thickness: site specific.
• Geotextile: site specific.
- Manufacturer: site specific.
Product reference: site specific.
• Laying course:
- Material: In accordance with BS 7533-3.
Category: depending on use.
- Method of screeding, in accordance with BS 7533-3: Contractor's choice of
compaction or uncompacted.
- Nominal thickness after compaction: site specific.
• Blocks: To BS EN 1338.
- Requirements: site specific.
- Manufacturer: site specific.
Product reference: site specific.
- Sizes: site specific.
- Special blocks: site specific.
- Colour/ Finish: site specific.
- Recycled content: site specific.
• Jointing:
- Material: In accordance with BS 7533-3.
- Joint width: 2-5 mm.
• Sealer/ Stabilizer: site specific.
• Setting out:
- Bond: site specific.
- Features: site specific.
• Accessories: site specific.
EXECUTION
200 EXECUTION GENERALLY - CONCRETE BLOCK AND CLAY PAVER PAVING
• Standard: In accordance with BS 7533-3.
211 COLOUR BANDING
• General: Unless premixed by manufacturer, select blocks/ pavers/ setts vertically
from at least 5 separate packs in rotation, to avoid colour banding.
240 ADVERSE WEATHER
• General: Do not use frozen materials or lay bedding on frozen or frost covered sub-
bases.
RotF generic (intermediate) NBS 2014 6118-AEW-XX-XX-NBS-A-01
