VIRGINIA EROSION AND
SEDIMENT CONTROL
INSPECTOR EXAM
If dormant for more than 14 days, how many days to seed? -
ANSWERS-7 days for temp vegetation (permanent vegetation if
dormant for >1 year)
What is the minimum storage capacity for a sediment trap? -
ANSWERS-134 cubic yards per acre of drainage area
AND
Only for a max of 3 drainage acres
When is a sediment basin used? - ANSWERS-For areas more than 3
acres of drainage area
When is a temporary vehicular stream crossing required? (MS-13) -
ANSWERS-If a stream will be crossed more than twice in 6 months
(back and forth is two)
, How many ft of utility can be open at a time? (MS-16) - ANSWERS-
500 linear ft of a utility trench
How many days to remove temporary controls after final site
stabilization? (MS-18) - ANSWERS-30 days
What is the minimum threshold for compliance for SWM? (MS-19) -
ANSWERS-1 acre (versus ESC is 10,000 square ft)
How is a slope percentage calculated? - ANSWERS-rise/run
horizontal distance / vertical distance
closer number to 1 in a ratio= higher percentage=steeper slope
What type of stone should be used at a construction entrance? (MS4,
17) - ANSWERS-#1 stone at 6'' depth
How much extra mesh is required at an inlet? - ANSWERS-12 inches
How are you eligible to take the exam? - ANSWERS-Take a DEQ
training class OR DEQ 800 hour work experience form
What is an agreement in lieu of a plan? - ANSWERS-a contract
between the plan approving authority and the property owner that
specifies conservation efforts during construction of a single family
residence
SEDIMENT CONTROL
INSPECTOR EXAM
If dormant for more than 14 days, how many days to seed? -
ANSWERS-7 days for temp vegetation (permanent vegetation if
dormant for >1 year)
What is the minimum storage capacity for a sediment trap? -
ANSWERS-134 cubic yards per acre of drainage area
AND
Only for a max of 3 drainage acres
When is a sediment basin used? - ANSWERS-For areas more than 3
acres of drainage area
When is a temporary vehicular stream crossing required? (MS-13) -
ANSWERS-If a stream will be crossed more than twice in 6 months
(back and forth is two)
, How many ft of utility can be open at a time? (MS-16) - ANSWERS-
500 linear ft of a utility trench
How many days to remove temporary controls after final site
stabilization? (MS-18) - ANSWERS-30 days
What is the minimum threshold for compliance for SWM? (MS-19) -
ANSWERS-1 acre (versus ESC is 10,000 square ft)
How is a slope percentage calculated? - ANSWERS-rise/run
horizontal distance / vertical distance
closer number to 1 in a ratio= higher percentage=steeper slope
What type of stone should be used at a construction entrance? (MS4,
17) - ANSWERS-#1 stone at 6'' depth
How much extra mesh is required at an inlet? - ANSWERS-12 inches
How are you eligible to take the exam? - ANSWERS-Take a DEQ
training class OR DEQ 800 hour work experience form
What is an agreement in lieu of a plan? - ANSWERS-a contract
between the plan approving authority and the property owner that
specifies conservation efforts during construction of a single family
residence
