rinsing best practices

We are a large pharma company. We use Alconox detergent in an ISO 8 cleanroom that does not have a floor drain so rinsing in a cleanroom is a problem. We have a form, fill, seal machine with 2 pumps, tubing, and a hopper that have product contact. They are permanently installed.  Can we rinse with tap water if we are sanitizing after the rinse? How much rinsing is required?