Why sand dams Other solutions we deliver Sand dam road crossings Sand dam road crossings At Excellent Development we believe incorporating the principles of sand dam technology with low volume road crossing designs will deliver a more robust and cost-effective rural roads infrastructure. Sand dam road crossings will: Minimise costs of repair and reconstruction. Improve reliable access to markets and services. Reduce local fl ooding and erosion. Recharge groundwater. Supply millions of litres of safe water for multiple use. Contribute to climate change resilience. Find out more with our sand dam road crossing informational brochure Read about the sand dam road crossing that’s providing thousands of Maasai with water security Could you donate today and supply more communities with the tools, hardware, support and guidance they need to transform their own lives with lifelong access to clean water? Please select a donation amount (required) £15 could provide a farmer with drought-resistant seeds, so they can feed and support their family. £30 could supply a community with a rake, gardening fork, shovel and watering cans, to plant trees for fruit, fuel and fodder £60 could provide a roll of barbed wire to reinforce a sand dam, anchoring it to the bedrock. Other Set up a regular payment Donate