Construction of an earth bund measuring 2,140m around the perimeter of the site (0.5m high and 4m wide) and approximately 3000m of foot drains/ditches around the site and through the site (3m wide and 0.5m deep). Twelve shallow scrapes approximately 2,500m2 each with a maximum depth of 0.5m. Break-up agricultural land drains at the edge of the site. Construction of concrete, boarded sluice.