When developing a wastewater handling system, the general distribution of investment cost
between the collection system (piping) and treatment is (based on Norwegian) figures:
a. Piping 10 - 30%, treatment 70-90%
b. Piping 50%, treatment 50%
c. Piping 70 - 90%, treatment 10 – 30 %
d. Piping 50 - 70%, treatment 30 - 50%
