I am so sorry to hear about your loss, my thoughts are with you.
I didn’t want you waiting for an answer at this difficult time but I remembered a similar question which was asked recently (12th August). Here is the reply from @JerrySLO below.
Thanks for the message, sorry for the slow reply. I'm sorry to learn about your dad passing. We aren't able to sprinkle ashes I'm afraid but I've been asking if during the pending development maybe we could potentially have area where this would be possible.
RedM's post in Ashton Gate scattering ashes was marked as the answer