DEQ- STORMWATER LATEST
MANAGEMENT
INSPECTOR EXAM
ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 1
What is the maximum flow length of sheet flow from turn to conserved open
space? - ANSWERS-Maximum flow length of 150 ft. from adjacent pervious
areas;
Maximum flow length of 75 ft. form adjacent impervious areas.
Found- Filter strip or Open space- Design criteria Section
QUESTION 2
The concentrated flow length of this vegetated strip is 4 cis. What is the minimum
required length of the engineered level spreaders (ELS)? - ANSWERS-Length of
ELS Lip= 13 Lin ft. per each l cos of inflow (13 lin.ft. minimum 130 lin.ft. max)
13x4= 52 lin. ft.
Found- Filter strip or Open Space- Design Criteria Section
END OF
PAGE
1
, DEQ- STORMWATER LATEST
MANAGEMENT
INSPECTOR EXAM
QUESTION 3
What width and depth should the gravel diaphragm trench be? What must be
placed between the gravel and the underlying soil trench? - ANSWERS-2' with, 1
foot depth, filter fabric.
Found- Filter Strip or Open Space-Diaphragms and Berms Section
QUESTION 4
What materials can be used to construct a level spreader? - ANSWERS-Concrete,
wood, or prefabricated metal, with a well anchored footer, or other accepted rigid,
non erodible material.
Found- Filter Strip or Open Space- Level Spreader Key Design Elements
QUESTION 5
END OF
PAGE
2
, DEQ- STORMWATER LATEST
MANAGEMENT
INSPECTOR EXAM
During Construction what should be used to protect the perimeter of the conserved
open space area? - ANSWERS-The perimeter of the conserved open space shall be
protected by super silt fence, chain link fence, orange safety fence or other
measures to preen sediment discharge.
Found-Filter Strip and Open Space- Construction
QUESTION 6
Which material can be sued for check dams? (for Grass channels) - ANSWERS-
Check dams should be constructed of a non-erosive material such as wood,
baboons, riprap, or concrete. All check dams should be underlain with filter fabric
conforming to local design standards .
Found- Grass channels- Design applications
QUESTION 7
What is the purpose of the initial soil test during the compost soil amendment
process ? - ANSWERS-The first testing is done to ascertain pre-construction soil
properties at proposed amendment areas. The initial testing is used to determined
END OF
PAGE
3
MANAGEMENT
INSPECTOR EXAM
ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 1
What is the maximum flow length of sheet flow from turn to conserved open
space? - ANSWERS-Maximum flow length of 150 ft. from adjacent pervious
areas;
Maximum flow length of 75 ft. form adjacent impervious areas.
Found- Filter strip or Open space- Design criteria Section
QUESTION 2
The concentrated flow length of this vegetated strip is 4 cis. What is the minimum
required length of the engineered level spreaders (ELS)? - ANSWERS-Length of
ELS Lip= 13 Lin ft. per each l cos of inflow (13 lin.ft. minimum 130 lin.ft. max)
13x4= 52 lin. ft.
Found- Filter strip or Open Space- Design Criteria Section
END OF
PAGE
1
, DEQ- STORMWATER LATEST
MANAGEMENT
INSPECTOR EXAM
QUESTION 3
What width and depth should the gravel diaphragm trench be? What must be
placed between the gravel and the underlying soil trench? - ANSWERS-2' with, 1
foot depth, filter fabric.
Found- Filter Strip or Open Space-Diaphragms and Berms Section
QUESTION 4
What materials can be used to construct a level spreader? - ANSWERS-Concrete,
wood, or prefabricated metal, with a well anchored footer, or other accepted rigid,
non erodible material.
Found- Filter Strip or Open Space- Level Spreader Key Design Elements
QUESTION 5
END OF
PAGE
2
, DEQ- STORMWATER LATEST
MANAGEMENT
INSPECTOR EXAM
During Construction what should be used to protect the perimeter of the conserved
open space area? - ANSWERS-The perimeter of the conserved open space shall be
protected by super silt fence, chain link fence, orange safety fence or other
measures to preen sediment discharge.
Found-Filter Strip and Open Space- Construction
QUESTION 6
Which material can be sued for check dams? (for Grass channels) - ANSWERS-
Check dams should be constructed of a non-erosive material such as wood,
baboons, riprap, or concrete. All check dams should be underlain with filter fabric
conforming to local design standards .
Found- Grass channels- Design applications
QUESTION 7
What is the purpose of the initial soil test during the compost soil amendment
process ? - ANSWERS-The first testing is done to ascertain pre-construction soil
properties at proposed amendment areas. The initial testing is used to determined
END OF
PAGE
3
