Every project has different steps, so you may or may not use these specific steps in your plan. More importantly, have an intended document lifecycle. Your Instincts Becoming a great technical writer takes lots of experience. Use what you've learned from past projects. You're a writer, follow your instincts.
Technical writers are the great communicators of the new world.
You're the medium by which programmers and engineers speak to users. You're the link between technology and everyone else.