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In-line vent for under-cabinet waste plumbing. In-line vent (also known as an island fixture vent, and, colloquially, a "Chicago Loop", "Boston loop" or "Bow Vent") is an alternate method permissible in some jurisdictions of venting the trap installed on an under counter island sink or other similar applications where a conventional vertical ...
In addition, because of the vast reduction in solid waste, a pumping system, rather than a gravity system, can be used to move the wastewater. The pipes have small diameters, typically 1.5 to 4 inches (4 to 10 cm). Because the waste stream is pressurized, they can be laid just below the ground surface along the land's contour. [citation needed]
The soils cannot drain pore water fast enough in a repeated compression causing the pore water pressure to be accumulated to a high pressure. This causes the soils to lose their stress and become muddy. Any objects with apparent weights of less than of those of the ground's muddy water will float up. Manholes, which are sealed hollowed objects ...
A most important distinction that should be made is between a Soil Stack (SS - a pipe that takes away waste) and a Soil Ventilation Pipe (SVP - a pipe that vents the sewer). Historically, these were usually combined, which meant that the stack had to pass through the roof with attendant thermal management problems.
This "air gap" is visible above the sink as a small cylindrical fixture mounted near the faucet. In the base cabinet under the sink, the drain hose from the dishwasher feeds the "top" of the air gap, and the "bottom" of the air gap is plumbed into the sink drain below the basket, or into a garbage disposal unit. When installed and maintained ...
Drain-waste-vent system; Ecological sanitation; Grease interceptor; Latrine; Composting toilet; Outhouse; Percolation test (for the capacity of soil to absorb water) Pit toilet; Plumber; Plumbing. Potable cold and hot water supply; Traps, drains, and vents; Rainwater, surface, and subsurface water drainage; Fuel gas piping; Sepsis; Septage ...