一通り => Basically, (get) over, done N2
Base, base
ねばならない/ねばならぬ/ねば => have to do; must; should ~ N2
ね => isn't it? right? eh? N5
一緒に => together N5
ひとり ... のみならず => not only…, not just… N2
Add
ひとり ... だけでなく => not only…, not just… N2
Add
ひととおりではない => Not as usual (is okay) N2
Emphasis on degree
一度に => all at once N3
かねない => Afraid that N2
Potential, Possibility
ね => Requests confirmation from the listener N5
Particles
ひとつ => A little N3
Repetition, habit
一方だ => more and more; continue to ~ N2