A horizontal branch is a drainpipe that connects horizontally to a major segment of a DWV system. It can either connect to a waste stack or building drain. It connects more than one fixture drain or a fixture branch to a main segment of DWV system.
What is a horizontal branch drain?
And a Horizontal Branch Drain makes sense as a section of piping that moves wastewater horizontally from multiple fixture drains to a stack.
What is a drainage branch pipe?
A drainage branch pipe extending laterally from a soil or waste stack or building drain, with or without vertical sections or branches, that receives the discharge from two or more fixture drains or branches and conducts the discharge to the soil or waste stack or to the building drain.
Why is it called the horizontal branch?
Although the horizontal branch is named because it consists largely of stars with approximately the same absolute magnitude across a range of temperatures, lying in a horizontal bar on a color–magnitude diagrams, the branch is far from horizontal at the blue end.
What are horizontal-branch stars?
Horizontal-branch stars are powered by helium fusion in the core (via the triple-alpha process) and by hydrogen fusion (via the CNO cycle) in a shell surrounding the core.
What is a fixture branch?
FIXTURE BRANCH. A drain serving two or more fixtures that discharges to another drain or to a stack.
What is horizontal plumbing?
More Definitions of Horizontal pipe Horizontal pipe means any pipe or fitting which makes an angle of more than forty-five degrees (45°) with the vertical.
What is a branch drain in plumbing?
Fixture and branch drains - A branch drain is a waste pipe that collects the waste from two or more fixtures and conveys it to the building or house sewer.
What is a building drain branch?
Building drain branch means a fixture drain which is individually connected to a building drain and is vented by means of a combination drain and vent system.
What is a horizontal drain line?
Horizontal Drain Lines – These pipes lay parallel to your floors and carry wastewater from sinks, bathtubs, toilets, and water-using appliances. Depending on how this water was used, it's typically classified as black or greywater.
Can a sink drain run horizontal?
Drain piping can be horizontal (1/4” per foot), vertical, or 450- vent piping shall be free of sags and be graded and connected to drip back by gravity to drain pipe it serves.
Can a wye be used horizontally?
Bookmark this question. Show activity on this post. IPC TABLE 706.3 "fittings for change of direction" says wye is okay for horizontal to horizontal.
Can a toilet and sink share the same drain?
Run the lower sink drainpipe, adding elbows or collar connections as needed to reach the 3-inch drainpipe that runs from the toilet. The configuration depends upon your bathroom layout and the direction of the floor joists, but connect the sink drain to the toilet drain within 6 feet of the toilet, if possible.
How far can a drain pipe run horizontally?
If you have 1- 1/4-inch pipe, the horizontal distance of the vent ought to not be more than 30 inches. For a 1- 1/2-inc pipe the vent must be 42 inches away at the most while a 2-inch pipeline must have an optimum distance of 5 feet.
Is a dishwasher considered a plumbing fixture?
Here's how each is defined in the Plumbing Codes. Examples of a plumbing fixture would be a sink, toilet, and bathtub. Examples of a plumbing appliance would be washing machine, dishwasher, and water heater.
Are toilet and shower drains connected?
The toilet and shower drain are connected to the main pipe. The outside of the main sewer drain is connected to the shower and Toilet Drain. The extra waste-water comes from your home to the main sewer line.
What is the difference between building drain and building sewer?
Building drain “means the horizontal piping, including any vertical offset that conducts sewage, clear water waste or storm water to a building sewer. Building sewer means a pipe that is connected to a building drain 1 m outside a wall of a building and leads to a public sewer or private sewage disposal system.
Why are horizontal branch stars called horizontal branches?
The horizontal branch is so named because in low- metallicity star collections like globular clusters, HB stars lie along a roughly horizontal line in a Hertzsprung–Russell diagram. Because the stars of one globular cluster are all at essentially the same distance from us, their apparent magnitudes all have the same relationship to their absolute magnitudes, and thus absolute-magnitude-related properties are plainly visible on an H-R diagram confined to stars of that cluster, undiffused by distance and thence magnitude uncertainties.
What is the horizontal branch of stars?
The horizontal branch ( HB) is a stage of stellar evolution that immediately follows the red-giant branch in stars whose masses are similar to the Sun 's. Horizontal-branch stars are powered by helium fusion in the core (via the triple-alpha process) and by hydrogen fusion (via the CNO cycle) in a shell surrounding the core. The onset of core helium fusion at the tip of the red-giant branch causes substantial changes in stellar structure, resulting in an overall reduction in luminosity, some contraction of the stellar envelope, and the surface reaching higher temperatures.
How long do stars stay on the horizontal branch?
Stars remain on the horizontal branch for around 100 million years, becoming slowly more luminous in the same way that main sequence stars increase luminosity as the virial theorem shows. When their core helium is eventually exhausted, they progress to helium shell burning on the asymptotic giant branch (AGB).
Do HB stars have different luminosities?
These stars also become hotter during core helium fusion, but they have different core masses and hence different luminosities from HB stars. They vary in temperature during core helium fusion and perform a blue loop before moving to the asymptotic giant branch.
Do stars on the horizontal branch have the same mass?
Stars on the horizontal branch all have very similar core masses, following the helium flash. This means that they have very similar luminosities, and on a Hertzsprung–Russell diagram plotted by visual magnitude the branch is horizontal.
710.1.1 Horizontal Stack Offsets
Horizontal stack offsets shall be sized as required for building drains in accordance with Table 710.1 (1), except as required by Section 711.3.
710.1.2 Vertical Stack Offsets
Vertical stack offsets shall be sized as required for straight stacks in accordance with Table 710.1 (2), except where required to be sized as a building drain in accordance with Section 711.1.1.
