This is a request for further information. If you look at other requests and answers, you'll know that nothing is expected. They must have got some input from mining people, since they are asking about rock bolts, etc. I would like to see hard limits on pumping and grout.
As I have said, it is physically impossible for them to sink the shaft the way they said they would. But, on the way to disaster, there will be a heck of a lot of stuff worse than fracking waste, and a lot of carbon in the air with grout.