What is an indirect waste receptor?
The air gap device required in many jurisdictions for a dishwasher is another example of an indirect waste receptor, designed to prevent backflow of sewage into a dishwasher. It is mounted near the edge of the sink next to the faucet.
Where is a waste receptor not allowed to be installed?
Waste receptors shall not be installed in plenums, attics, crawl spaces or interstitial spaces above ceilings and below floors. Waste receptors shall be readily accessible.
Can a washing machine be used as a waste pipe receptor?
Plumbing fixtures that are used for washing or bathing shall not be used to receive the discharge of indirect waste piping. A kitchen sink trap is acceptable for use as a receptor for a dishwasher. A laundry tray is acceptable for use as a receptor for a clothes washing machine.
What is an environmental receptor?
Environmental receptor is defined at 40 CFR §68.3 as "natural areas such as national or state parks, forests, or monuments; officially designated wildlife sanctuaries, preserves, refuges, or areas; and Federal wilderness areas" which could be exposed to an accidental release.
Is a floor sink a waste receptor?
All waste receptors are required to be approved by the code official. Floor sink as waste receptor. This illustration shows a food prep sink with an indirect drain equipped with a code compliant air gap (2X diameter of waste pipe) into a waste receptor, in this case, a floor sink.
What are receptors in plumbing?
An indirect waste pipe does not connect directly to the drainage system, but conveys liquid waste by discharging it into a plumbing fixture, receptor or receptacle, which in turn is directly connected to the drainage system.
What is an indirect waste connection?
An indirect waste is a drainage piping that runs from a plumbing fixture or appliance and discharges into a separate waste pipe or receptacle. That waste piping connects to the building drainage system. The indirect waste line is not hard piped to the separate waste piping or receptacle.
What is indirect waste in plumbing?
Indirect waste pipe means a pipe that does not connect directly with the drainage system but conveys liquid wastes by discharging into a plumbing fixture, interceptor, or receptacle that is directly connected to the drainage system.
What is a hub drain?
Hub Drains can be used with or without strainer baskets and typically have other drain lines run to them. Designed to fit with trench drains, floor sinks, sanitary drains, and catch basins. Typically used for indirect liquid wastes.
What is the horizontal distance from the fixture outlet to the trap Weir?
30 inchesThe vertical distance from the fixture outlet to the trap weir shall not exceed 24 inches (610 mm), and the horizontal distance shall not exceed 30 inches (610 mm) measured from the centerline of the fixture outlet to the centerline of the inlet of the trap.
What is the difference between direct and indirect waste?
A direct connection is any connection that is made to any public sewer. An indirect connection is a connection to a private drain that then goes into a public sewer.
What is a combination waste and vent system?
Combination Waste and Vent System. A specially designed system of waste piping embodying the horizontal wet venting of one or more sinks or floor drains by means of a common waste and vent pipe adequately sized to provide free movement of air above the flow line of the drain.
Does an indirect drain need a trap?
The first requirement deals with the length of pipe. If the indirect waste piping is longer than five feet, the indirect waste must be trapped but not vented (see Figure 803.3). This is to prevent odors from materials that might lie in the piping from entering the fixtures or equipment.