To figure the cost for your system, begin by determining total footage of pipe from the system layout. Next determine the sizes of pipe you will need according to cumulative population along a line. Then determine the number of manholes required by dividing the total footage of pipe by 400 if pipes are under 15 inches in diameter. Locate cleanouts at the end of every sewer line. For municipal wastewater, federal legislation requires secondary treatment.
Aerated lagoons use a mechanical device to supply oxygen to the lagoon.
We have listed capital costs for lagoons and oxidation ditches in Table 4. Table 5 shows costs for package treatment plants. Land costs are not included. Land costs are not included. Costs for package treatment plants, January 1979.