Table 3: Risk Assessment of Site Characteristics Level of Constraint Assessed Level of Characteristic Constraint Nil or Minor Moderate Major for Site Aspect North / North-East / East / West / / South (affects solar South-West North-West radiation received) Climate Excess of rainfall over (difference Excess of evaporation over Rainfall approximates to evaporation in the wettest between annual rainfall in the wettest months evaporation months rainfall and pan evaporation) Erosion 1 Nil or minor Moderate Severe (or potential for erosion) Limited patches of light and Full sun and/or high wind or Exposure Dappled light little wind to heavily shaded all to sun and wind minimal shading day Fill 2 No fill or minimal fill, Moderate coverage and fill is Extensive poor quality fill and good quality variable quality fill (imported) or fill is good quality topsoil Flood frequency Less than 1 in 100 years Between 100 and 20 years More than 1 in 20 years (ARI) 3
Table 3: Risk Assessment of Site Characteristics Characteristic Level of Constraint Assessed Level of Constraint for Site Nil or Minor Moderate Major Aspect (affects solar radiation received) North / North-East / North-West East / West / / South-West South Climate (difference between annual rainfall and pan evaporation) Excess of evaporation over rainfall in the wettest months Rainfall approximates to evaporation Excess of rainfall over evaporation in the wettest months Erosion 1 (or potential for erosion) Nil or minor Moderate Severe Exposure to sun and wind Full sun and/or high wind or minimal shading Dappled light Limited patches of light and little wind to heavily shaded all day Fill 2 (imported) No fill or minimal fill, or fill is good quality topsoil Moderate coverage and fill is good quality Extensive poor quality fill and variable quality fill Flood frequency (ARI) 3 Less than 1 in 100 years Between 100 and 20 years More than 1 in 20 years