What are roof drains called?

Many people ask, “What are roof drains called?” and they are simply called roof drainage systems. The drainage system starts at the roof line and then you have roof drainage to ground. The components that you need for a roof drainage system is a gutter system and downspout.

What is roof drain?

“ROOF DRAIN: A drain installed to receive water collecting on the surface of a roof and to discharge it into a leader, downspout or conductor.”

Does a scupper need a downspout?

Overflow drainage scuppers are typically holes with no downspout or other intricate designs. This is because these scuppers are specifically designed to remove water when there is a blockage in the primary system.

Do you need guttering on a flat roof?

Most modern flat roofs are covered by a membrane that prevents water leaking into your property. But if your roof has a slight slope it will need gutters to ensure proper drainage.

What is a parapet roof?

parapet, a dwarf wall or heavy railing around the edge of a roof, balcony, terrace, or stairway designed either to prevent those behind it from falling over or to shelter them from attack from the outside.

What are gutter drains called?

Downspout. Vertical pipes that lead the water from the gutter to the ground level, are known as Downspouts. In addition to that, they are also known as water spout, down pipe, drain spout, or drain pipe.

What is monsoon drain?

Monsoon drains are designed to function as stor- age facilities to attenuate the flood peak.

What is roof drain made of?

Roof drains can be made of a variety of materials, like metal, synthetic (plastics) or cast iron, and can vary in durability and cost.

How do you calculate roof drains?

Take the roof’s total square footage and divide by the total square footage handled by one drain. The result is the number of drains needed. For example: 50,000 / 4,400 = 11.36; or 12 drains required.

What is a trench in construction?

The trench is an excavation where the depth is greater than its length. In construction, shallow trenches are 6m deep at most, while deep trenches are those that exceed this depth. Excavation can be handled using machines or manually.

What were trenches in World War I?

Trenches—long, deep ditches dug as protective defenses—are most often associated with World War I, and the results of trench warfare in that conflict were hellish indeed. Trenches were common throughout the Western Front.

Why do you need a trencher for excavation in NZ?

Some contractors assume they only need to get the right one among the diggers for sale by an NZ-based company for their excavation. Trenchers or ditchers are nonetheless the ideal heavy machines for the excavation of your terrain when constructing a trench. They will penetrate the ground, break the rock and soil from the earth, and create a trench.

What is a square trench used for?

Square trenches can be used as an entrance into a trench, create sharp turns for a trench layout, or simply as a foxhole. Same as the 2 way trench, it has fire steps on all sides.