How to install a drip irrigation system with This Old House

Watch this video from This Old House to learn how to install a drip-irrigation system.
Steps:

1 Dig series of trenches across yard to minimum of 4 inches deep; space the trenches about 12 inches apart.

2 Run PVC pipe from water supply to trench.

3 Fabricate two manifolds out of PVC pipes and fittings.

4 Set the manifolds in trenches at opposite ends of yard.

5 Attach one manifold to the water-supply line.

6 Run series of polyethylene drip lines back and forth in across yard between the two mainfolds.

7 Attach the drip lines to the manifolds.

8 Test system for leaky fittings and to ensure the emitters are slowly dripping water.

9 Backfill the trenches and plant grass seed or lay sod.