Draw a small map of your vineyard on paper. Measure out the distances of the hose spigot to the closest part of the vineyard to determine the length of garden hose to carry water to the site. Mark this on the drawing. Measure the other distances such as the length of the rows, the distance between rows and mark each of them down on the paper.
Determine the length of soaker hose necessary to run down the rows, keeping in mind that the hoses will moisten the soil within a 2 to 3 foot width from the center of the hose. Count the number of T-connectors, caps, and elbows to complete the plan.
Purchase the hose and connectors along with a filter and a pressure regulator, all available at larger garden centers or home improvement warehouses. Add on a timer if you are not often at home when the plants would be watered.
Set up your system, laying out the hoses and attaching all the parts according to the manufacturer's instructions. Take the caps off the ends of the lines and turn on the water to purge the air from the system. Cap the lines and turn on the water. Water the vineyard as needed to supplement the rain.