Ch 11 - Storm Drainage Flashcards
True or False
The mention of ‘one- and two-family dwellings’ implies that they are exempt from providing rain gutters on pitched roofs.
False.
Roofs, paved areas, yards, courts, courtyards, vent shafts, light wells, or similar areas having rainwater, shall be drained into a separate storm sewer system, or into a combined sewer system where a separate storm sewer system is not available, or to some other place of disposal satisfactory to the Authority Having Jurisdiction. In the case of one- and two-family dwellings, storm water shall be permitted to be discharged on flat areas, such as streets or lawns, so long as the storm water shall flow away from the building and away from adjoining property, and shall not create a nuisance.
2024 UPC - 1101.2 Where Required
Fill in the blank
In the case of one- and two-family dwellings, stormwater may be discharged on flat areas such as _____.
Streets or lawns
Roofs, paved areas, yards, courts, courtyards, vent shafts, light wells, or similar areas having rainwater, shall be drained into a separate storm sewer system, or into a combined sewer system where a separate storm sewer system is not available, or to some other place of disposal satisfactory to the Authority Having Jurisdiction. In the case of one- and two-family dwellings, storm water shall be permitted to be discharged on flat areas, such as streets or lawns, so long as the storm water shall flow away from the building and away from adjoining property, and shall not create a nuisance.
2024 UPC - 1101.2 Where Required
Fill in the blank
Stormwater shall not be drained into sewers intended for _____ drainage only.
Sanitary
Storm water shall not be drained into sewers intended for sanitary drainage.
2024 UPC - 1101.3 Storm Water Drainage to Sanitary Sewer Prohibited.
Fill in the blank
The minimum wall thickness (schedule) of galvanized steel pipe that is allowed for an above grade sanitary or rainwater drainage system is _____.
Schedule 40
Pipe, tube, and fittings conveying rainwater shall be of such materials and design as to perform their intended function to the satisfaction of the Authority Having Jurisdiction. Conductors within a vent or shaft shall be of cast-iron, galvanized steel, wrought iron, copper, copper alloy, lead, Schedule 40 ABS DWV, Schedule 40 PVC DWV, stainless steel 304 or 316L [stainless steel 304 pipe and fittings shall not be installed underground and shall be kept not less than 6 inches (152 mm) aboveground], or other approved materials, and changes in direction shall be in accordance with the requirements of Section 706.0.
2024 UPC - 1101.4 Material Uses.
True or False
Subsoil drains shall be made of perforated or open-jointed approved drain tile or pipe.
TRUE
Subsoil drains shall be provided around the perimeter of buildings having basements, cellars, crawl spaces, or floors below grade. Such subsoil drains shall be permitted to be positioned inside or outside of the footing, shall be of perforated or open-jointed approved drain tile or pipe, not less than 3 inches (80 mm) in diameter, and shall be laid in gravel, slag, crushed rock, approved 3/4 of an inch (19.1 mm) crushed, recycled glass aggregate, or other approved porous material with not less than 4 inches (102 mm) surrounding the pipe. Filter media shall be provided for exterior subsoil piping.
2024 UPC - 1101.6 Subsoil Drains.
Fill in the blank
On buildings with basements, cellars, crawl spaces, or floors below grade, the perimeter must have _____.
Subsoil drains
Subsoil drains shall be provided around the perimeter of buildings having basements, cellars, crawl spaces, or floors below grade. Such subsoil drains shall be permitted to be positioned inside or outside of the footing, shall be of perforated or open-jointed approved drain tile or pipe, not less than 3 inches (80 mm) in diameter, and shall be laid in gravel, slag, crushed rock, approved 3/4 of an inch (19.1 mm) crushed, recycled glass aggregate, or other approved porous material with not less than 4 inches (102 mm) surrounding the pipe. Filter media shall be provided for exterior subsoil piping.
2024 UPC - 1101.6 Subsoil Drains.
Where can subsoil drains be piped to?
Alley, storm drain, street curb
Subsoil drains shall be piped to a storm drain, to an approved water course, to the front street curb or gutter, to an alley, or the discharge from the subsoil drains shall be conveyed to the alley by a concrete gutter. Where a continuously flowing spring or groundwater is encountered, subsoil drains shall be piped to a storm drain or an approved water course.
2024 UPC - 1101.6.1 Discharge.
Fill in the blank
Where the occupant creates surface water drainage, the sumps, gratings or floor drains shall be piped to a storm drain or an approved water _____.
Course
Where the occupant creates surface water drainage, the sumps, gratings, or floor drains shall be piped to a storm drainage or an approved water course.
2024 UPC - 1101.11 Paved Areas.
Fill in the blank
If a rainwater sump serves a ‘public use’ occupancy building, it must have _____.
Dual pumps
Rainwater sumps serving “public use” occupancy buildings shall be provided with dual pumps arranged to function alternately in case of overload or mechanical failure. Pumps rated 600 V or less shall comply with UL 778 and shall be installed in accordance with the manufacturer’s installation instructions.
2024 UPC - 1101.14 Rainwater Sumps.
Fill in the blank
Where leaders and storm drains are connected to a combined sewer, it must be _____.
Trapped
Leaders and storm drains, where connected to a combined sewer, shall be trapped. Floor and area drains connected to a storm drain shall be trapped.
2024 UPC - 1101.15 Traps on Storm Drains and Leaders.
Fill in the blank
Roof drains shall be of cast iron, copper or copper alloy, lead or _____.
Plastic
Roof drains shall be constructed of aluminum, cast-iron, copper alloy of not more than 15 percent zinc, leaded nickel bronze, stainless steel, ABS, PVC, polypropylene, polyethylene, or nylon and shall comply with ASME A112.3.1 or ASME A112.6.4.
2024 UPC - 1102.0 Roof Drains. 2024 UPC - 1102.1 Applications.
