Gutter Company Drainage and Water Management 2

Question 1

What is the purpose of a downspout boot (elbow at the base)?

Accepted Answer

To redirect the vertical downspout flow to a near-horizontal direction at the base

Answer

To increase flow velocity

Answer

To seal the downspout from insects

Answer

To secure the downspout to the wall at the top

Question 2

What type of drainage system uses a buried pipe to carry downspout water to a daylight outlet or street?

Accepted Answer

Underground solid pipe drainage (downspout to daylight system)

Answer

Curtain drain

Answer

Riprap channel

Answer

Bioswale

Question 3

What is the recommended minimum slope for a buried downspout drainage pipe to ensure self-cleaning flow?

Accepted Answer

1/4 inch per foot

Answer

Dead flat

Answer

1/8 inch per foot

Answer

1 inch per foot

Question 4

What is a pop-up emitter and where is it installed in a downspout drainage system?

Accepted Answer

A spring-loaded outlet at the end of an underground drain pipe that opens under water pressure and closes when dry

Answer

A pressure relief valve installed at the downspout top

Answer

A decorative cap for the downspout opening

Answer

An overflow device installed at the gutter outlet

Question 5

What is the purpose of a dry well (also called a seepage pit) connected to a downspout system?

Accepted Answer

To allow collected stormwater to percolate slowly into the surrounding soil

Answer

To store water for later pumping to a rain barrel

Answer

To hold water for firefighting purposes

Answer

To filter sediment from downspout discharge before it enters the street

Question 6

What problem can result from downspout water being discharged too close to a neighbor's property line?

Accepted Answer

Potential nuisance or trespass liability if the water damages the neighbor's property

Answer

Increased water bill

Answer

Gutter warranty voiding

Answer

Violation of EPA clean water rules for homeowners