Washing in the Bible
A worship station is set up. There are two but they are the same thing. Water is a powerful cleansing agent and symbol. In the temple, the priests washed their hands and their feet every time they led worship to symbolize their initial baptism when they were set apart for God's use and to cleanse themselves of any wrongs that they may had done or the wrongs of others that might have contaminated them along the way.
Pilate washed his hands to symbolically declare that responsibility for the death of Jesus was not his but the Jewish leaders. Washing the feet of others is a way of service to cleanse us and show forgiveness.