How big is 90mm in inches/feet? Jetters are made for clearing storm drains, attempting to clear a pipe full of cans, trash, dirt, sticks, glass, roots, etc., with a cable could well be hopeless.
Jetters come in all sizes with corresponding price tags. Entry level is about $4000, top of the line is $30,000. Anything costing less than about $15,000 would not be able to handle very large pipe size. A jetter will very effectively compliment an established drain business and it’s easy to build a maint business around your jetter. If you can afford a Harben they are generally considered to be the top of the line. Lane.