What is an indirect liquid waste receptor?
An indirect liquid waste receptor is a plumbing fixture designed specifically to collect and dispose of liquid waste from other plumbing fixtures, plumbing equipment or appliances which are required to discharge to the drainage system through a physical air gap or listed air gap unit.
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 types of fixtures can be used as indirect waste receptors?
The following are types of fixtures that commonly fall into the classification of acceptable indirect liquid waste receptors: **Floor sinks, mop receptors, service sinks, laundry tubs **and washing machine standpipe drains. Water closets of toilets in bathrooms are not acceptable as suitable indirect liquid waste receptors. Thanks David.
What is the minimum air gap for a waste flow receptor?
The defining characteristic of an indirect waste flow receptor is a space, called an “air gap,” between the end of the pipe flowing into it and the receptor. The minimum air gap specified is usually twice the diameter of the incoming pipe, but a minimum of one inch.
What is an indirect waste receptor?
What fixture cannot be used for an indirect waste receptor?
What is the space between the end of the pipe and the receptor?
Can a standpipe be used as a waste receptor?
What is considered a waste receptor?
What is the definition of a waste receptor? A waste receptor in context of Chapter 8 of the 2012 IPC is a receptacle that receives wastes to the sanitary drain system (any liquid with non-fecal matter).
Is a floor drain a waste receptor?
Where waste receptors such as floor drains, floor sinks and hub drains receive only clear-water waste from display cases, refrigerated display cases, ice bins, coolers and freezers, such receptors shall have a drainage fixture unit value of one-half.
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 a waste receptor in plumbing?
Sunday, July 1, 2018. The defining characteristic of an indirect waste flow receptor is a space, called an “air gap,” between the end of the pipe flowing into it and the receptor. The minimum air gap specified is usually twice the diameter of the incoming pipe, but a minimum of one inch.
What is the difference between a floor drain and a floor sink?
A floor sink is part of an “indirect” waste system. An example of this is a commercial sink. The waste water from the sink goes down the sink drain, via the waste pipes, where it is dumped into a floor sink. Simply put, a floor drain is a drain sitting in the floor.
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.
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.
What is a waste trap arm?
The trap arm is the portion of a fixture drain between a trap weir and its protecting vent. The trap weir is the point at the bottom of the trap arm pipe where it connects to the trap.
What is a drain in the floor called?
Foundation drains are pipes that are installed under your foundation or basement floor to collect water and move it off-site to prevent your basement from filling with water.
What is the purpose of a floor drain?
Whether indoors or outdoors, floor drains are designed to efficiently and safely direct water to a sewer or municipal storm drain so that the floor stays dry and rooms don't flood. The purpose of traps is to prevent sewer odors and gasses from making their way through the drain and into your home.
What is the difference between floor waste and floor trap?
A floor waste is similar to a floor trap except that there is no trapped water seal within the pipe works. The floor waste may be installed as a secondary drainage point within a wet space and be connected to a floor trap.
What is a floor waste?
A Floor Waste is a grated inlet within a graded floor intended to drain the floor surface to prevent water ponding.
P2706.1 General
For other than hub drains that receive only clear-water waste and standpipes, a removable strainer or basket shall cover the waste outlet of waste receptors. Waste receptors shall not be installed in concealed spaces. Waste receptors shall not be installed in plenums, attics, crawl spaces or interstitial spaces above ceilings and below floors.
P2706.1.1 Hub Drains
Hub drains shall be in the form of a hub or a pipe that extends not less than 1 inch (25 mm) above a water-impervious floor.
P2706.1.2 Standpipes
Standpipes shall extend not less than 18 inches (457 mm) and not greater than 42 inches (1067 mm) above the trap weir.
P2706.1.2.1 Laundry Tray Connection to Standpipe
Where a laundry tray waste line connects into a standpipe for an automatic clothes washer drain, the standpipe shall extend not less than 30 inches (762 mm) above the standpipe trap weir and shall extend above the flood level rim of the laundry tray.
P2706.2 Prohibited Waste Receptors
Plumbing fixtures that are used for washing or bathing shall not be used to receive the discharge of indirect waste piping.
What is indirect liquid waste?
An indirect liquid waste receptor is a plumbing fixture designed specifically to collect and dispose of liquid waste from other plumbing fixtures, plumbing equipment or appliances which are required to discharge to the drainage system through a physical air gap or listed air gap unit.
Can you use a water closet as a liquid waste receptor?
Water closets of toilets in bathrooms are not acceptable as suitable indirect liquid waste receptors. Thanks David. However, what is the meaning of the word “separately” in this phrase: "“shall be piped full size separately to the floor, to the outside…, or to an indirect waste receptor located inside the building.”.
What is an indirect waste receptor?
Indirect waste receptors can also be used for the piping from a water heater drain pan, and typically consist of a one inch gap between the drain pipe pointed downward into a funnel-shape receptor beneath it that connects to a home’s drain/waste system.
What fixture cannot be used for an indirect waste receptor?
The one fixture that cannot be used for an indirect waste receptor is a toilet. 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.
What is the space between the end of the pipe and the receptor?
The defining characteristic of an indirect waste flow receptor is a space, called an “air gap, ” between the end of the pipe flowing into it and the receptor. The minimum air gap specified is usually twice the diameter of the incoming pipe, but a minimum of one inch. It is required by building codes to prevent the flow of sewage backwards up a pipe when a vacuum is created in the pipe by lack of water pressure.
Can a standpipe be used as a waste receptor?
The standpipe behind a washing machine can also be used as an indirect waste receptor, but maintaining the required one-inch gap can be difficult if the pipe is shared with a washing machine drain hose. The fitting shown at the top of the page is designed to solve the problem, and can be found at www.airgap.com. The one fixture that cannot be used for an indirect waste receptor is a toilet.