National Plumbing Code Chapter 11:
Storm Drainage System Correct 100%
Storm drainage - ANSWER_____ are required for roof areas, courts and courtyards to collect
stormwater and discharge the stormwater to an approved point of disposal
medium - ANSWERRainwater piping located within a _____ height building basement area shall be of
galvanized iron pipe, Schedule 30; cast iron soil pipe, S.W. Type DWV copper tube~ Schedule 40 ABS,
DWV, Series 1000, PVC DWV, or other approved materials.
high rise - ANSWERDownspouts for _____ buildings shall be of stronger pipe materials to resist the
high hydrostatic pressure inside the vertical downspout
interior - ANSWERRainwater downspout or conductor pipings placed within the _____ of a building
inside a vertical pipe chase or run within a vent shaft shall be of cast iron, galvanized steel, iron.
brass, copper, lead, Schedule 40 ABS, DWV, Series 1000, PVC DWV or other approved materials.
exterior - ANSWERRainwater downspout or conductor located on the _____ side of a low height
building shall be not less than 26 ga. galvanized sheet metal. The
bottom of the conductor draining over the catch basin storm drain or storm sewer
add thirty five (35) percent of the total wall areas to the roof area - ANSWERRoof area to be
considered when sizing rainwater piping for two adjacent wall.
add no additional area to the roof area - ANSWERRoof area to be considered when sizing rainwater
piping for Two (2) walls opposite each other and of same heights
0.6 meter - ANSWERRainwater piping commencing _____ from the exterior of a building may be of
suitable approved materials
102 mm - ANSWERRoof drains shall be equipped with strainers extending not less than _____ above
the surface of the roof immediately adjacent to the draJn,
Storm Drainage System Correct 100%
Storm drainage - ANSWER_____ are required for roof areas, courts and courtyards to collect
stormwater and discharge the stormwater to an approved point of disposal
medium - ANSWERRainwater piping located within a _____ height building basement area shall be of
galvanized iron pipe, Schedule 30; cast iron soil pipe, S.W. Type DWV copper tube~ Schedule 40 ABS,
DWV, Series 1000, PVC DWV, or other approved materials.
high rise - ANSWERDownspouts for _____ buildings shall be of stronger pipe materials to resist the
high hydrostatic pressure inside the vertical downspout
interior - ANSWERRainwater downspout or conductor pipings placed within the _____ of a building
inside a vertical pipe chase or run within a vent shaft shall be of cast iron, galvanized steel, iron.
brass, copper, lead, Schedule 40 ABS, DWV, Series 1000, PVC DWV or other approved materials.
exterior - ANSWERRainwater downspout or conductor located on the _____ side of a low height
building shall be not less than 26 ga. galvanized sheet metal. The
bottom of the conductor draining over the catch basin storm drain or storm sewer
add thirty five (35) percent of the total wall areas to the roof area - ANSWERRoof area to be
considered when sizing rainwater piping for two adjacent wall.
add no additional area to the roof area - ANSWERRoof area to be considered when sizing rainwater
piping for Two (2) walls opposite each other and of same heights
0.6 meter - ANSWERRainwater piping commencing _____ from the exterior of a building may be of
suitable approved materials
102 mm - ANSWERRoof drains shall be equipped with strainers extending not less than _____ above
the surface of the roof immediately adjacent to the draJn,
