Hi Paul ,
Make a list of electrical hardware you require and I can get a quote at contractor prices.( My Turk's Card).
Seeing the sonotube takes me back to when I built my 10". You should have spoken up . I would have lent it to you.

........I think I need

.
Good looking job. I would agree with the masses and say the colour of your grass would describe the majority of us....me included.

Cheers Wes