With the new pavers being installed, we wanted to make sure that there was no water pools that would form, so we installed new drainage. This turned out to be a lot of trouble.
We wanted to put extra drainage near the bbq area, but when the trenches were dug, we had to move several pipes. In doing so, we nicked another pipe. This last one turned out to be the hardest one to repair. I ended up tearing up a six foot segment and redoing the entire pipe.
Although this was a lot of trouble, this will really help keep the water from pooling up on the pavers and washing away the sand.