Hey all, just posting the process of prepping the ground and erection of our Dallas 4900 gazebo purchased through special orders. The ground it is assembled on was fairly sloped and with its wind rating of 110kmh I needed to make sure the footings were solid as. It has stood up to 100kmh gusts and barely moves.
Materials
Can`t give exact numbers.
200 x 50 treated pine sleepers
crushed rock and bags of cement
synthetic grass
dyna bolts
treated pine self drilling screws
star pickets
Tools
18v Ozito PXC impact driver
18v Ozito PXC drill driver ( this job killed it after 6 years of heavy use)
36v Ozito PXC hedge trimmer
Ozito 240v blower vac with steel blades
Petrol operated post hole digger and 300mm auger
Full Boar vibrating plate, shovels and
Ozito slide compound saw and stand
Ozito stapler
Ramset drill
Square and pencil
Craftright level and Stanley 8m measuring tape
Cement mixer
String line and tent pegs
Steps
Step 1
I cleaned and cleared the area where the walls of the base were to be positioned to level up the ground. I also began to run the string lines for the right level. 
Step 2
Here, I started running the treated pine sleepers. As the slope was fairly steep, I dug in some of the sleepers and with supports, lifted the others to create the level area to
work with.
.
Step 3
Once I had it level to my liking, I boxed in the 4 corners. I proceeded to drill four 300mm holes to create the footings. Mixing 4 parts crushed rock to 1.5 parts cement in the cement mixer, I created the footings which included the boxing and the outer sleepers for greater depth. Once the footings were dry, I proceeded to then fill the area with lots and lots of crushed rock which I packed in thin layers to get the best compaction. To level it up, I screed the rock with a straight edge to get it right.
Step 4
Got the synthetic lawn over and rolled it into position. I squared it up and pegged it into the ground. I also used gal staples to fix it to the sides. Now it was looking great!!
Step 5
Now, I created the steps to access this area and the BBQ area. I had stretched it out as best as I could.
Step 6
Now the best part began. My wife, 2 sons and their partners started to construct this gazebo. Following the instructions to a tee, the assembly ran great. Once we got it to this point, we squared the feet, cut away the synthetic lawn so as to have an accurate footing point and fixed the brackets into the concrete. Bolting the posts to the footings stabilized it nicely.
Step 7
The roofing was added as well as the bracings and wallah, the gazebo was finished. It is a nice touch to our backyard.
Step 8
And here it is in all its glory. I let the concrete dry for 5 days to get the best purchase on the dynabolts. It took 1 day to put it up and it hasn`t moved in the serious winds we have in the dividing range. Next project is the spa area.
