CEPSCI EXAM QUESTIONS AND
ANSWERS (GRADED A+)
Sedimentation - ANSWER-the process by which eroded material is transported and
deposited
"CGP" stand for - ANSWER-Construction General Permit; one of the NPDES permits
administered by DHEC
When do you need a land disturbance permit - ANSWER-> or = 1 acre
or
> or = 0.5acres with in 0.5 miles of a water body in a coastal county
What is a SWPPP - ANSWER-Storm Water Pollution Prevention Plan
-Identifies potential sources of storm water pollution
-describes storm water control measures
-tells how CGP will be followed
Whats in a SWPPP - ANSWER--Copy of Permit
-Copy of "Notice of Intent" (NOI)
-Copy of approval letter from SCDHEC
-Construction plans
-Inspection report
-Copy o 404 permit and 401 certificate when applicable
In coastal zones the SWPPP must also include what 2 documents - ANSWER--Coastal
Zone Consistency Letter (CZC)
-Critical Area Permit (when applicable)
Who are the three parties in a CGP - ANSWER--Owner: person or business who took
out the CGP
-Operator: individual who has day-to-day operational control
-Secondary Operator: Primary contractor
How often are inspections done? - ANSWER-Every 7 days
once a month for temporarily stabilized area
Does a rain gauge need to be present of site? - ANSWER-Yes
If an inspector see that maintenance or modifications need to be done for a BMP...
1. what are the 2 levels of priority
, 2. what else must happen - ANSWER-Priority 1: Remedy in 48 hours (Sediment leaving
site or failing BMP)
Priority 2: Remedy within 7 calendar days
Revisions to the SWPPP must be done within 7 calendar days after inspection (by the
resident constriction engineer)
When is a Grading and Stabilization log needed? - ANSWER-When major grading
occurs or a graded area will be left (undisturbed) longer than 14 days
What are the 5 types of runoff control BMP's? - ANSWER-1. Pipe slope drain
2.runoff diversion
3.stream crossing
4.construction dewatering
5buffers and flow control
Buffer zones - ANSWER-Required between disturbed area and surface waters
Width and type are dependent on circumstances
5 types of common erosion prevention BMP's? - ANSWER-1. surface roughening
2. temporary stabilization
3. mulching
4. erosion control blankets (ECB's)
5. Turf Reinforcement Mat (TRM)
4 types of long term BMP's - ANSWER-1. Final stabilization
2. riprap for channel stabilization
3. outlet protection
4. dust control
Sediment Tube (4 things to know) - ANSWER-1. temporary check
2. 20% of tube must be entrenched
3. perpendicular to flow
4. sediment must be removed when it reaches 1/3 height of exposed tube
When does sediment need to be removed from a sediment tube? - ANSWER-When the
sediment reaches 1/3 height of exposed tube
Where should check dams never be placed? - ANSWER-In "blue lined" streams as
shown on USGS maps
Construction entrance (3 main thigs to know) - ANSWER-1. min 24 ft wide and 100 ft
long
2. geotextile fabric must be placed underneath stone
3. minimum 6in thick of stone
ANSWERS (GRADED A+)
Sedimentation - ANSWER-the process by which eroded material is transported and
deposited
"CGP" stand for - ANSWER-Construction General Permit; one of the NPDES permits
administered by DHEC
When do you need a land disturbance permit - ANSWER-> or = 1 acre
or
> or = 0.5acres with in 0.5 miles of a water body in a coastal county
What is a SWPPP - ANSWER-Storm Water Pollution Prevention Plan
-Identifies potential sources of storm water pollution
-describes storm water control measures
-tells how CGP will be followed
Whats in a SWPPP - ANSWER--Copy of Permit
-Copy of "Notice of Intent" (NOI)
-Copy of approval letter from SCDHEC
-Construction plans
-Inspection report
-Copy o 404 permit and 401 certificate when applicable
In coastal zones the SWPPP must also include what 2 documents - ANSWER--Coastal
Zone Consistency Letter (CZC)
-Critical Area Permit (when applicable)
Who are the three parties in a CGP - ANSWER--Owner: person or business who took
out the CGP
-Operator: individual who has day-to-day operational control
-Secondary Operator: Primary contractor
How often are inspections done? - ANSWER-Every 7 days
once a month for temporarily stabilized area
Does a rain gauge need to be present of site? - ANSWER-Yes
If an inspector see that maintenance or modifications need to be done for a BMP...
1. what are the 2 levels of priority
, 2. what else must happen - ANSWER-Priority 1: Remedy in 48 hours (Sediment leaving
site or failing BMP)
Priority 2: Remedy within 7 calendar days
Revisions to the SWPPP must be done within 7 calendar days after inspection (by the
resident constriction engineer)
When is a Grading and Stabilization log needed? - ANSWER-When major grading
occurs or a graded area will be left (undisturbed) longer than 14 days
What are the 5 types of runoff control BMP's? - ANSWER-1. Pipe slope drain
2.runoff diversion
3.stream crossing
4.construction dewatering
5buffers and flow control
Buffer zones - ANSWER-Required between disturbed area and surface waters
Width and type are dependent on circumstances
5 types of common erosion prevention BMP's? - ANSWER-1. surface roughening
2. temporary stabilization
3. mulching
4. erosion control blankets (ECB's)
5. Turf Reinforcement Mat (TRM)
4 types of long term BMP's - ANSWER-1. Final stabilization
2. riprap for channel stabilization
3. outlet protection
4. dust control
Sediment Tube (4 things to know) - ANSWER-1. temporary check
2. 20% of tube must be entrenched
3. perpendicular to flow
4. sediment must be removed when it reaches 1/3 height of exposed tube
When does sediment need to be removed from a sediment tube? - ANSWER-When the
sediment reaches 1/3 height of exposed tube
Where should check dams never be placed? - ANSWER-In "blue lined" streams as
shown on USGS maps
Construction entrance (3 main thigs to know) - ANSWER-1. min 24 ft wide and 100 ft
long
2. geotextile fabric must be placed underneath stone
3. minimum 6in thick of stone
