(1) TB 142- Opening Screen Covers For Storm Water Catch Basin Flashcards

1
Q

Screen Covers For Storm Water Catch Basin:
To prevent pooling, the screens locking mechanisms are designed to swing open during major storm events when the water level reaches ____ of the screen height and allow any water or debris in. The screen then closes and locks once the water subsides.

A

Half

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2
Q

Screen Covers For Storm Water Catch Basin:
The City has installed screens with two types of release/unlocking mechanisms. Type II has a screen plate ____ (parallel/perpendicular?) to the screen and has the nameplate STENCILED onto the screen.

A

•Parallel

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3
Q

Screen Covers For Storm Water Catch Basin:
The City has installed screens with two types of release/unlocking mechanisms. Type II requires a ____ (pry/poke?) action by a straight object to disengage the locking mechanism

A

Poke (“horizontal straight push”)

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4
Q

Screen Covers For Storm Water Catch Basin:
The City has installed screens with two types of release/unlocking mechanisms. Type I requires a ____ (pry/poke?) action by a straight object to disengage the locking mechanism.

A

Pry (“upward motion”)

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5
Q

Screen Covers For Storm Water Catch Basin:
The City has installed screens with two types of release/unlocking mechanisms. With both Type I and II screen covers, you start out by inserting a ______ through a screen hole approx 1/3 up from the bottom edge of the screen.

A

straight object (screwdriver)

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6
Q

Screen Covers For Storm Water Catch Basin:
The City has installed screens with two types of release/unlocking mechanisms. Type I has a screen plate ____ (parallel/perpendicular?) to the screen and has the nameplate RIVETED onto the screen.

A

•perpendicular

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