Intercept This
This device removes fats, oils, and grease from wastewater before it enters the drainage system.
What is a grease interceptor?
UPC §1014.0 — Grease Interceptors
This type of connection prevents certain waste-producing equipment from being directly connected to the drainage system.
What is an indirect waste connection?
UPC Chapter 8 — Indirect Wastes
Gas appliance demand is commonly expressed using this measurement.
What is BTU per hour?
UPC §1214.3 — Gas Appliances
Roof areas must be drained using roof drains or these.
What are gutters?
UPC §1101.12.1 — Primary Roof Drainage
Wastewater from bathtubs, showers, lavatories, clothes washers, and laundry tubs can fall under this classification.
What is gray water?
UPC §209.0 — Definition: Gray Water
Piping passing through concrete or masonry walls must be protected against these two potential problems.
What are breakage and corrosion?
UPC §312.1 — General
This type of interceptor is designed for drainage containing sand and similar solids.
What is a sand interceptor?
UPC §1016.0 — Sand Interceptors
Discharges from a pressurized water-supply system generally require this type of waste connection.
What is an indirect waste connection?
UPC §805.1 — Pressure Drainage Connections
To determine cubic feet per hour of gas required, divide the appliance input by this characteristic of the supplied gas.
What is its average BTU heating value per cubic foot?
UPC §1214.3 — Gas Appliances
Subsoil drains around buildings with basements, cellars, crawl spaces, or floors below grade must be at least this diameter.
What is 3 inches?
UPC §1101.6 — Subsoil Drains
Name three of the five fixture or appliance sources recognized as gray water by the UPC.
What are bathtubs, showers, lavatories, clothes washers, and laundry tubs?
UPC §209.0 — Definition: Gray Water
Horizontal cast-iron soil pipe must be supported at intervals not exceeding this distance.
What is 5 feet?
UPC Table 313.3 — Hangers and Supports
This type of interceptor is required where drainage could contain oil or other flammable liquids.
What is an oil and flammable liquid interceptor?
UPC §1017.0 — Oil and Flammable Liquid Interceptors
The discharge from this water-heater safety device is an example of a pressurized discharge that must be indirectly wasted.
r: What is a temperature and pressure relief valve?
UPC §805.1 — Pressure Drainage Connections
Before gas piping is placed into service, it must be tested to verify that it is this.
What is gas-tight?
UPC §1213.0 — Testing and Inspection
These may be required in storm-water piping to accommodate temperature changes and building movement.
What are expansion joints or sleeves?
UPC §1101.5 — Expansion Joints Required
TRUE OR FALSE: Wastewater from a kitchen sink is included in the UPC definition of gray water.
What is false?
UPC §209.0 — Definition: Gray Wate
Horizontal copper tubing 1½ inches and smaller must be supported at intervals not exceeding this distance.
What is 6 feet?
UPC Table 313.3 — Hangers and Supports
TRUE OR FALSE: A water closet may discharge through a grease interceptor if the interceptor is adequately sized.
What is false? Water closets, urinals, and fixtures carrying human waste cannot drain into or through a grease interceptor.
UPC §1014.1 — General
Water above this temperature cannot be discharged under pressure directly into a drainage system.
What is 140°F?
UPC §810.1 — High-Temperature Discharge
Gas supply pressure exceeds the maximum allowable inlet pressure of an appliance. This device is used to reduce the pressure to an acceptable level.
What is a gas pressure regulator?
UPC §1208.8 — Gas Pressure Regulators
A secondary roof-drainage scupper opening must be at least this tall.
What is 4 inches?
UPC §1101.12.2.1 — Roof Scuppers or Open Side
Name two of the three types of gray-water irrigation or disposal systems identified by the UPC.
What are subsurface irrigation, subsoil irrigation, and a mulch basin?
Accept any two.
UPC §1503.1 — Gray Water Systems
Horizontal ABS or PVC DWV piping must be supported at intervals not exceeding this distance.
What is 4 feet?
UPC Table 313.3 — Hangers and Supports
A grease interceptor must be installed so that it is readily accessible for these three purposes.
What are inspection, cleaning, and removal of intercepted grease?
UPC §1014.1 — General
Except where otherwise permitted, the air gap between an indirect waste pipe and the flood-level rim of its receptor must be at least this distance.
What is twice the diameter of the indirect waste pipe, but not less than 1 inch?
UPC: §908.1 — Vertical Wet Venting
When flooding a gas-pipe trench to consolidate the backfill, the installer must ensure this does not happen to the piping.
What is floating the pipe off its firm bearing?
UPC §1210.1.2.1 — Backfilling
Unless otherwise required by the AHJ, primary roof drainage is sized using a storm with this duration and return period.
What is a 60-minute duration and a 100-year return period?
UPC §1101.12.1 — Primary Roof Drainage
TRUE OR FALSE: Gray water may be used for above-ground spray irrigation where people could come into contact with the spray.
What is false?
UPC §1503.1 — Gray Water Systems
When piping is installed through framing members and is located less than this distance from the exposed edge of the framing, it must be protected from nails or screws.
What is 1½ inches?
1 UPC §312.9 — Protection of Piping, Materials, and Structures