Symonston Spectacular!
What is so spectacular about Symonston you may ask? Or the location of this multi in particular?
Well there is a very impressive water pump station with an amazing mural covering all of its walls! 
When I came across this I decided it needed to be showcased to more people!
This multi-cache will do just that, you will need to observe the mural and your surroundings at the published coordinates in order to obtain the values and calculate GZ!
Multi:
A = Total number of animals
B = The number of claws on the animal next to the metal barred door - 3
C = The number of circular windows on doors
DEFGHJ = The large number on the front of the green electricity box (dismiss the consecutive digit)
K = The Digital Root / Word Value of brightly coloured parrot's name (You will need to research this! Hint: Starts with "S" , 6 letters)
The cache can be located at: S 35 2E.J(D-1)(B-2) E 149 0A.(G-1)(K-2)C
GZ:
The final cache location will involve a tree climb hence the T4.5 rating. It was placed by free climb and is only approx. 5 metres up, but there is one slightly harder maneuver!
A ladder would also work if need be, although be warned you will need to carry it a fair distance from the car!
Good luck and have fun! :)