(1) Rooftop Garden Drainage

(2) Athletic fields, golf courses, airports, parks, and other green spaces drainage

(3) Retaining Wall Backside Drainage (Vertical, Horizontal Drainage)

Section 4: Underground Irrigation and Drainage Systems for Agriculture and Gardening

(5) Slope drainage for hillsides, embankments, and other sloping surfaces

(6) Tunnel and underground passage drainage

Highway, railway subgrade, and shoulder drainage

(8) Soft Soil Treatment Level Drainage