Install and/or repair Grades II systems plus: Dual Pumps or Dual Siphons, Systems of greater than 1500 gpd to less than 3000 gpd, Low Pressure Dispersal, Flow Equalization, and any system requiring ground water lowering device with a pump Inspect on-site wastewater systems when requested by a lending institution, realtor, prospective home buyer, or other impacted party as a condition of sale, refinancing, or transfer of title