8361 Green roofs (3) Intensive green roofs and extensive green roofs, including; root barriers, insulation layers, drainage/water retention/aeration layers, filter layers, growing medium (may or may not include pre-planted modules). Other components such as drainage components, paving components etc. Usually does not include the waterproofing membrane. 8362 Vertical gardens (8) Vertical gardens, including; vertical support systems, container systems, irrigation systems, drainage systems, interior growing lights. 8363 Rain gardens (0) Rain gardens, including; preparing ground conditions, drainage systems, filter systems, soil and mulch, planting. 8364 Detention and retention ponds (0) Detention and retention ponds, including; earthworks, preparing ground conditions, drainage systems, membrane and filter systems, soil and mulch, planting.