Module 1 - Background for Inspectors Flashcards
1
Q
Examples of Large Land Development
A
- Topsoil Stripping
- Grading
- Utilities
- Preparing for future construction activities
- Phased construction
2
Q
Examples of Residential Construction
A
- Town Homes and single family
- multiple home builders
- multiple subcontractors
- small sites with lots going on
3
Q
4 types of construction activities
A
- Large land development
- Residential
- Commercial/Industrial
- Linear
4
Q
Examples of Commercial/Industrial construction activities
A
- commercial/industrial buildings or big box developments
- mass grading
- one time site development
- highly visible
5
Q
Examples of linear construction activities
A
- Roadways, utilities, and stream corridors
- long narrow site
- limited site access
- active area continually changing
6
Q
T/F: Sediment is a major pollutant of our national rivers and streams and excessive amounts have a direct impact on aquatic life
A
True
7
Q
T/F: Sediment control BMPs (e.g. silt fence barriers) remove all suspended particles found in runoff waters
A
False
8
Q
T/F: Inspectors should always tell contractors what type of BMPs to install on a project when noncompliance problems are found
A
False
9
Q
T/F: Good sediment control results in good erosion control
A
False
10
Q
T/F: Storm drain inlet practices remove all sediment in runoff waters and allow clean water to flow in drainage system
A
False
11
Q
T/F: Saltation is a form of wind erosion
A
True
12
Q
T/F: The most effective method for sediment control involves containing sediment laden runoff waters for sufficient time to allow heavier suspended particles to settle
A
True
13
Q
T/F: it is not cost effective to implement erosion control methods while construction activities are occurring
A
False
14
Q
T/F: Inspectors do not need to know much about hydrology
A
False
15
Q
T/F: The motto of an inspector is to observe, inspect, and report, but never to mandate
A
True
16
Q
Some environmental impacts of construction activities
A
- removes productive topsoil
- degrades water quality
- reduces navigation in waterways
- increases potential for localized flooding
- increases levels of channel erosion
- damages or destroys fish habitat
- Impedes wetland filtration
17
Q
Costs associated with impacts of erosion and sediment include
A
- Removal of sediment deposits
- restoration and stabilization
- construction delays and stop-work orders
- charges and fines
- construction of new ecosystem habitat
18
Q
What is erosion:
a) Soil Particles suspended in water or air
b) Deposition of soil particles suspended in water or air
c) Soil particles displaced by the action of wind or water
A
C) Soil particles displaced by the action of wind or water
19
Q
5 types of erosion
A
- Wind erosion
- Raindrop erosion
- Sheet erosion
- Rill and gully erosion
- Stream and channel erosion
20
Q
3 types wind erosion
A
- Creep
- Suspension
- Saltation
21
Q
How much wind erosion is saltation:
a) 5-25%
b) 50-80%
c) <10%
A
b) 50-80%
22
Q
Put the 3 kinds of wind erosion in order from least amount of erosion to most
A
Suspension<Creep<Saltation
23
Q
Put the 3 kinds of wind erosion in order from smallest to largest particles
A
Suspension (0.05-0.15mm) <Saltation (0.05-0.5mm) <Creep (0.5-2mm)
24
Q
Describe Creep
A
the rolling and sliding movement of particles across a surface (think sand dunes)
25
Describe saltation
hopping and bouncing movement of particles, particles are lifted into the atmosphere but return to the ground and dislodge other particles
26
Describe splash erosion
When raindrop impacts on bare soil where protective vegetative cover has been removed, it dislodges many soil particles
27
Describe sheet erosion
- dislodged particles occurs due to sheet flow
- stripping of soil
- shallow water flowing over the surface of bare soil
- occurs when rain falls faster than it can be absorbed
- sheet erosion is difficult to see
28
Mass wasting is what:
large masses of soil moving down a slope - not the same as a landslide because it's human-caused
29
Other erosion not caused by construction
shoreline, landslides, debris flow, geological
30
Rill and gully erosion definition
water finds easiest path on steep slopes, rills eventually turn into gullies
31
Rill size
32
Gully size
>75mm deep
33
Stream bank and channel erosion is what
occurs along banks of stream channels due to the action of flowing water
34
Water erosion types
Splash/raindrop erosion
Sheet erosion
Rill and gully erosion
Mass wasting
Stream bank and channel erosion
Shoreline erosion
35
5 factors that impact water erosion
- climate
- length of flow
- erosion control BMPs
- soil erodibility
- slope of land
36
Put these in order of most to least erodible: clay, loam, sand, silt,
silt>loam>sand>clay
37
What is sediment:
a) soil particles suspended in water or the air
b) deposition of soil particles suspended in water or air
c) soil particles displaces by the action of wind or water
a) soil particles suspended in water or air
38
What is sedimentation:
a) soil particles suspended in water or the air
b) deposition of soil particles suspended in water or air
c) soil particles displaces by the action of wind or water
b) deposition of soil particles suspended in water or air
39
Hydrology definition
study of water
40
6 factors affecting runoff and rate of flow
- soil type/roughness
- storm intensity and duration
- contributing area
- steepness of the terrain
- length of slope
- vegetative cover
41
hydrograph definiton
picture of runoff (graph showing flow/time), can also represent sediment discharge because sediment is associated with runoff
42
when measuring turbidity what does NTU mean
nephelometric turbidity units
43
Where should water quality sampling occur
upstream, site outlets, downstream
44
Sediment removal from runoff occurs predominantly by
a) filtering by barrier
b) ponding
c) filtering by machine
b) ponding
45
What is flocculation
creating large particles (flocs) that fall rapidly.
46
What are the two kind of flocculants
cationic (bad for fish, attaches to gills), anionic, both require permits
47
Which of the following does not represent rainfall or runoff erosion
a) splash
b) sheet flow
c) creep
d) rill and gully
c) creep (this is wind erosion)
48
T/F: Clay is more erodible than silt
False
49
T/F: saltation creates more wind-borne particles than suspension
True
50
Inspector motto
Observe, inspect, and report, but never mandate
51
4 qualities of good inspector
unbiased, knowledgeable, appropriate esc training and experience, consistent and proactive
52
Ultimate goal of inspector
work with the contractor and proponent to minimize sediment from leaving a job site to the maximum extent practical (NOT remove ALL sediment - not possible)
53
Responsibilities before construction
- Attend pre-construction meetings
- understand the contract documents
- review esc plan report and drawings before pre-construction meeting
54
designers must provide plans that present 9 things;:
1 multi-barrier approach
2 retain existing veg
3 minimize land disturbance area
4 slow down and detain runoff to promote settling
5 effective on-site water management
6 divert runoff from problem areas
7 minimize slope length and gradient of disturbed areas
8 maintain overland sheet flow and avoids concentrated flows
9 store and stockpile soil away from watercourses, drainage features, and top of steep slopes
55
T/F: inspectors should never update ESC plans based on inspection results
F
56
T/F: esc plans should never change throughout a project
F - esc plans are dynamic
57
3 stages of construction
earthworks (topsoil removal and grading), servicing, construction and stabilization
58
"MORE" effective esc represents
Multi-barrier approach
Ongoing process
Regular inspection, monitoring, and maintenance
Education and training
59
3 consequences that can happen with bad esc practices
Ecological consequences
Project consequences
Legal consequences
60
9 responsibilities during construction
1 Inspect BMPs as required by local regulations
2 Ensure BMPs have been installed and maintained as per the plan
3 Ensure BMPs are functioning
4 Check discharge points for evidence of sediment and/or pollutant releases
5 Check locations where vehicles enter/exit sound
6 Collect samples if applicable
7 Be aware of contingency plan if available, ensure its use when necessary
8 Document findings
9 Communicate suggestions to contractor and ESC plan designer
61
T/F: Inspectors are there to observe and report findings
True
62
T/F Inspectors are responsible if BMPs are not working properly
False
63
T/F Inspectors are not responsible for fixing BMPs
True
64
Three things not to do as an inspector
Do not direct activities
Do not tell the contractor what to do to solve the problem
Do not redesign the esc plan
65
How long to keep documentation from ESCs?
3 years
66
Which of the following gifts is acceptable:
a) 50$ cash for falsifying inspection report
b) free baseball tickets from your client for not reporting non-compliance problems
c) a bonus from your employer for not documenting deficiencies
d) none of the above
D) none of the above
67
Which of the following is not part of the CISEC code of ethics?
a) A CISEC shall not issue a false statement or false information at any time
b) A CISEC shall not write an inspection report that is detrimental to his/her employer or client
c) A CISEC shall not divulge any information given in confidence
d) A CISEC shall not falsely or maliciously attempt to damage the reputation of another
b)
68
What does this BMP treat - Fiber roll barrier :
a) Erosion control
b) Sediment control
c) Wind Erosion Control
d) None
e) multiple (name them)
b) sediment control
69
What does this BMP treat - Hillside erosion control blanket :
a) Erosion control
b) Sediment control
c) Wind Erosion Control
d) None
e) multiple (name them)
e) wind erosion and erosion control
70
What does this BMP treat - Soil binder :
a) Erosion control
b) Sediment control
c) Wind Erosion Control
d) None
e) multiple (name them)
e) wind erosion and erosion control
71
What does this BMP treat - Rock check dam :
a) Erosion control
b) Sediment control
c) Wind Erosion Control
d) None
e) multiple (name them)
e) sediment control and erosion control
72
What does this BMP treat - Established vegetation :
a) Erosion control
b) Sediment control
c) Wind Erosion Control
d) None
e) multiple (name them)
e) all
73
What does this BMP treat - inlet insert :
a) Erosion control
b) Sediment control
c) Wind Erosion Control
d) None
e) multiple (name them)
b) sediment control
74
What does this BMP treat - sediment pond :
a) Erosion control
b) Sediment control
c) Wind Erosion Control
d) None
e) multiple (name them)
b) sediment control
75
What does this BMP treat - channel trm (turf reinforcement mats) :
a) Erosion control
b) Sediment control
c) Wind Erosion Control
d) None
e) multiple (name them)
a) erosion control
76
What does this BMP treat - silt fence barrier :
a) Erosion control
b) Sediment control
c) Wind Erosion Control
d) None
e) multiple (name them)
b) sediment control
77
What does this BMP treat - hydraulic or straw mulch :
a) Erosion control
b) Sediment control
c) Wind Erosion Control
d) None
e) multiple (name them)
e) erosion control and wind erosion control
78
What does this BMP treat - Earthen diversion berm :
a) Erosion control
b) Sediment control
c) Wind Erosion Control
d) None
e) multiple (name them)
a) erosion control - just dealing with water
79
What does this BMP treat - rock barrier in front of a 2% grade street inlet opening :
a) Erosion control
b) Sediment control
c) Wind Erosion Control
d) None
e) multiple (name them)
d) non - not on a grade
80
What does this BMP treat - turbidity barrier :
a) Erosion control
b) Sediment control
c) Wind Erosion Control
d) None
e) multiple (name them)
b) sediment control
81
What does this BMP treat - vehicle tracking pad :
a) Erosion control
b) Sediment control
c) Wind Erosion Control
d) None
e) multiple (name them)
b) sediment control
82
What does this BMP treat - slope drain :
a) Erosion control
b) Sediment control
c) Wind Erosion Control
d) None
e) multiple (name them)
a) erosion control
83
What does this BMP treat - planted seed that hasn't germinated :
a) Erosion control
b) Sediment control
c) Wind Erosion Control
d) None
e) multiple (name them)
d) none
84
What are the 6 articles of the code of ethics
i. General Principles
ii. Relation of professional to public
iii. Relation of professional to employer and client
iv. Relation of professionals to each other
v. Duty to the profession
vi. Conflicts of interest
