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We have been striving for developing environmentally friendly paving materials for footways. The use of recycled aggregates, which are crushed concrete or crushed rocks generated from construction or demolition works, in concrete pavers (eco-pavers) had been mandated since 2004. We have taken further initiative on eco-pavers mandating the use of recycled glass cullet contributing 20% - 25% by weight of the total aggregates of eco-pavers in road maintenance contracts since 2010. To facilitate further consumption of recycled glass cullet, we are reviewing the feasibility to increase the glass cullet content in eco-pavers to 30% - 35% should the site trial results be satisfactory.