April Technical Session EN

Front

Landscaped rainwater catchment that directs runoff water into purposely built depressions

Back

Rain Garden

Front

The objective is to disperse Low Impact Development (LID) devices across a site to ______.

Back

minimize runoff

Front

Green roofs comprise a __________ system that covers the roof of a building with vegetation cover / landscaping.

Back

multi-layered

Front

The amenity and ecology potential of permeable pavement is poor.

Back

True

Front

Infiltration trenches have high historic failure rate due to poor maintenance.

Back

True

Front

Typical dimension of infiltration trenches

Back

Width less than 25 ft, Depth ranging from 3 to 12 ft

Front

A _____ is often necessary to prevent plant roofs from penetrating the waterproofing membrane in Green Roofs.

Back

Root Barrier

Front

Green Roofs are cost-effective in comparison to conventional roof.

Back

False

Front

Permeable Pavement should be located at least _____ above the seasonally high groundwater table.

Back

2 to 5 feet

Front

Rain gardens are strategically located to capture runoff from _______.

Back

hard surfaces