SWM DEQ ACTUAL EXAM QUESTIONS WITH

SWM DEQ (ACTUAL / ) EXAM QUESTIONS WITH

VERIFIED CORRECT ANSWERS GRADED A+

Difference between level 1 and level 2 permeable pavement - - --Answers----for level 1, UD is required

How many design scales are there fore infiltration practices? - ---Answers----3

For check dams in dry swale, what is the max check dam height? - ---Answers----12"

What is the filter layer in the dry swale? - ---Answers----3" of pea gravel

Difference in swale slopes for wet swale level 1 and level 2 - - --Answers----level 1 swale slopes less than 2%, level 2 swale slopes less than 1%

Difference between level 1 and level 2 filtering practices - --- Answers----level 1 is a one cell design and level 2 is a two cell design

If an E&SC practice is going to be converted to a permanent BMP, how should the elevations compare? - ---Answers---- BMP elevation should be lower 1 / 3

How long does it generally take to fully establish a vegetated roof? - ---Answers----12 to 18 months

Erosion and sediment control measures should be used when the soil compost amended area is what size? - ---Answers--- -2,500 ft^2 or more

For an earthen embankment, trees must be planted how far beyond the embankment? - ---Answers----25'

Can vegetated emergency spillways be built into fill? - --- Answers----No, has to be armored if built into fill

What percent of the constructed wetland surface must be high marsh? - ---Answers----70%

For a wet pond, the bottom of the inlet pipe should be - --- Answers----even with the permanent pool's water level

For a wet pond, the max slope of the safety bench is - --- Answers----5%

If you are converting an E&SC practice to a permanent wet pond BMP, when should you install the permanent riser? - --- Answers----During construction

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Difference between lift sizes for general earthen embankment and portion around pipe - ---Answers----lift sizes for general are 8", around the pipe are 4"

What are the dimensions for the cutoff trench associated with the earthen embankment? - ---Answers----Min width is 4',

depth should be at least 4', side slopes should be 1:1 or flatter

For earthen embankment, during the backfilling operation, equipment should not be driven closer - ---Answers----than 4', as measured horizontally, to any part of the structure

Principal spillway is the PRIMARY OUTLET and should handle what frequency storms - ---Answers----typically 10 year and 25 year

If the emergency spillway cannot be cut into existing ground or cut, it must be - ---Answers----armored (cannot just be vegetated)

Accumulated sediment should be removed from the sediment forebay every - ---Answers----3 to 5 years or when 6 to 12" have accumulated

A violation of the construction gp is a violation of the - --- Answers----stormwater management act

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