Operations Resource Management Flashcards
1
Q
What does MUTCD stand for
A
Manual on Uniform Traffic Control Devices
2
Q
Shall be defined as all signs, signals, markings and other devices used to regulate, warn or guide traffic, placed on, over or adjacent to a street, highway, pedestrian facility or bikeway by authority of a public agency having jurisdiction.
A
Traffic control device standard definition
3
Q
> Advanced warning area
Transition area
Buffer Space
Activity/Work area
Termination area
A
Components of traffic control work zones
4
Q
Section of highway where road users are informed about upcoming work zone
A
Advanced warning area
5
Q
Section of the highway where road users are directed out of their normal lane of traffic
A
Transition area
6
Q
Separates road user flow of traffic from the work space
A
Buffer space
7
Q
Section of the highway where the actual work is taking place
A
Activity/work area
8
Q
Section where road users are returned to their normal driving lanes
A
Termination area
9
Q
> Public road
Toll roads
Private road open to public travel
Roads not covered by MUTCD
Parking areas
A
Roadways affected by the MUTCD manual
10
Q
any road street or similar facility under the jurisdiction of and maintained by public agency
A
Public road
11
Q
Any road, street or similar facility under the jurisdiction of public agencies or authorities that shall be considered public highways
A
Toll road
12
Q
Private toll roads and roads (including any adjacent sidewalks that generally run parallel to a road) within shopping centers, airports, or other similar business where public is allowed to travel without access restriction
A
Private road open to public travel
13
Q
roads within private gated properties (except for gated toll roads) where access is restricted at all times. Parking areas shall not be included in definition.
A
Roads not covered by MUTCD
14
Q
Driving aisles within those parking areas, that are either publicly or privately owned shall not be considered “open to public travel” for purposes of MUTCD applicability
A
Parking areas
15
Q
Statement of required mandatory or specifically prohibitive practice regarding a traffic control device
A
Standard
16
Q
Recommended but not mandatory
A
Guidance
17
Q
Carries no requirement or recommendation
A
Option
18
Q
Informational statement that does not convey any degree of mandate, recommendation, authorization, prohibition, or an enforceable condition
A
Support
19
Q
Conventional size of a stop sign
A
30x30
20
Q
Shape of a stop sign
A
Octagon
21
Q
Stop sign definition in MUTCD is
A
R1-1
22
Q
> Black-Regulation
Blue-Information
Brown-Recreational
Fluorescent pink-incident management
Green-Indicated movement patterns, direction
Orange- Temporary traffic control
Purple-lanes restricted to use only by vehicles with toll accounts
Red-Stop
White-Regulation
Yellow-Warning
A
Color coding of signs
23
Q
Any motor vehicle that is used as part of a business or is involved in any interstate or intrastate commerce including the transporting of hazardous materials in a quantity requiring placards
A
Commercial Motor Vehicle
24
Q
Any vehicle that operates within/between 2 or more states
A
Interstate commerce
25
Any vehicle that operates within the boundaries of 1 state
Intrastate commerce
26
Puts limits in places for when and how long commercial motor vehicle CMV drivers may drive. Designed to ensure truck drivers get the necessary rest to perform safe operations.
Hours of service regulations
27
CDL driver may drive a maximum of ___ continuous hours but not more than 14 in any given work day.
11
28
In 1887 the ___ transferred responsibility for the supervision of street cleaning and waste disposal over to the newly formed Department of Public Works
Bullitt Bill
29
New jersey passed the ___ in ___ which legislation mandated source separation of leaves and at least 3 marketable materials such as newspaper, glass, and cans
Mandatory Source Separation and Recycling Act. 1987
30
What are the 7 types of solid waste categories
Agricultural, Commercial, Industrial, Institutional, Municipal, Pesticide, Residential
31
>ID 10- municipal waste
>ID 12- Dry sewage sludge
>ID 13- Bulky waste
>ID 13C- Construction and demolition waste
>ID 23- Vegetative waste
>ID 27- Dry industrial waste
>ID 27A- Asbestos and asbestos containing waste
>ID 72- Bulk Liquids and Semi Liquids
>ID 73- Septic tank waste
>ID 74- Liquid sewage sludge
Solid waste ID numbers and type of waste
32
Any item that can be reused or converted into another useful product
Recyclable material
33
>Mixed paper
>newsprint
>corrugated
>plastic
>yard waste
>food waste
>glass
Examples of recyclable material
34
Solid waste services can be provided by whom
Local government or Private contractor
35
What are the four types of waste collection
Municipal collection, contract collection, franchise collection, private collection
36
Types of equipment used in solid waste/recycling
Rear loading, Side loading, Front loading, Flat bed/roll off
37
Single vehicle assigned a route for each work shift
Task system
38
Crew can be assigned a route for a designated time period, may take more than one 1 day or a few days to complete
Time system
39
Several crews are utilized to collect materials alongside a single route
Group task system
40
What are the two types of processing in solid waste.
Composting and incineration
41
Name the reasons why solid waste is processed.
Volume reduction, sanitation, conversion to useful products, ease of disposal
42
Cost per cubic yard or per ton to dispose of the solid waste at a solid waste facility
Tipping fee
43
A land site where solid waste is disposed of in a manner that does not protect environment
Dump
44
A land site where solid waste is disposed of utilizing sanitary landfill techniques that is compacting the waste in thin layers, compacting, then covering.
Sanitary landfill
45
Legislation that reestablishes a source of funding for recycling in NJ through $3.00 per ton tax on solid waste accepted for disposal or transfer at in-state solid waste facilities.
recycling enhancement act (REA)
46
To be able to receive a recycling grant municipalities must.
>designate
>submit tonnage report
>Must be signed by CRP
47
>designate one or more persons as CRP
>Provide collection system for designated recyclable materials
>Adopt a mandatory source separation and recycling ordinance
>Periodic review and update of municipal land use master plan
>Allow certain generators to be exempt from source separation requirements
>Submit annual municipal recycling tonnage report to the NJDEP, Has to be signed by CRP.
>Notify generators of their source separation responsibility
>Prohibit by ordinance the placement of leaves for disposal as solid waste.
Eight Municipal Responsibilities
48
Total recycling over
Total recycling+Total solid waste disposed multiply by 100
Recycling rate calculation
49
What is the primary function of asphalt pavement
To distribute wheel load
50
What makes up asphalt
95% aggregate and 5% binders
51
>Liquid asphalt
>asphalt cement
>Bitumen
Asphalt binders
52
What are the three pavement types
Dense-graded asphalt, Open-graded asphalt, Stone-matrix asphalt.
53
>I-2 a dense graded base or binder course
>I-4 a surface course for medium to heavy traffic
>I-4HD a heavy duty surface course for heavy traffic
>I-5 a surface course mix for for low to medium traffic
>7F a fine surface course
>Superpave (base and surface course)
Pavement designations
54
Approximate temperature of hot mix asphalt
325
55
Asphalt temperatures on a delivery truck to a work site should be
225
56
Minimum compaction temperature for asphalt
no less than 175
57
Minimum air temperature for paving
40
58
Process by which the asphalt is compressed and reduced in volume
Compaction
59
T or F >Compaction is the single most important factor
>Compaction varies with thickness
>Percent of air voids is 4.5%-7%
>lower temperature means harder to compact
True
60
What are 3 reasons to compact asphalt
Increase aggregate particle contact point, reduce air voids, provides for a smooth ride
61
Factors that deteriorate pavement surfaces
Sun's uv rays, oxidation, oil/fuel products, traffic, water/weather
62
Potholes exist when two factors are present at the same time. they are
water and traffic
63
As pavement continues to age, asphalt binder used to hold the aggregate in the asphalt deteriorates to the point it can no longer perform.
Raveling
64
Types of asphalt cracks
>Linear/transverse
>Alligator/spider web
>Block cracking/Shrinkage
>Edge cracks
>Joint reflection
>Slippage cracks
65
Types of Asphalt defects
>Depressions
>Rutting
>Shoving
>Upheaval
>Weed/Grass vegetation growth
66
>Weak subgrade
>Weight of traffic
>Poor drainage
>Lack of maintenance
>Age
>Freezing and thawing of pavement
Causes of pavement failure
67
Life of new pavement
20+ years
68
Life of Milled/overlay 2"
15-17 years
69
Life of overlay chip and seal 1-1/4"
7-10 years
70
Life of seal treatments
2-7 years
71
what are the factors for in house vs contract paving
>equipment available
>capital budgets
>expertise
>condition of roads
72
What are some repair techniques for asphalt repair
Throw and go method, Throw and roll method, and Semi permanent, spray injection, edge seal
73
Most effective asphalt repair method
Semi permanent repair
74
For asphalt cut outs deeper than __ inches in depth, place the asphalt in the cut more than one lift
6
75
When is the best time to perform crack sealing
Fall or spring
76
>Overlay
>pulverization
>slurry seal
>micro seal
Types of pavement treatments
77
Who's responsibility is it to ensure that roadways are passable and safe to accommodate emergency vehicles, commerce and daily traffic during sleet, freezing rain, or snow.
Public works Manager
78
The largest cost in a public works municipal maintenance budget.
Snow/ice control
79
How do you fight a snowstorm.
from the bottom up
80
How do you prepare for the winter months
>Prepare equipment and materials
>decide how much equipment you need
>Monitor weather forecast conditions
81
What are some deicing materials.
>sodium chloride(salt)
>Liquid calcium
>Calcium magnesium acetate (CMA)
>Brine
82
Most commonly used deicing agent
Sodium chloride(salt)
83
What percent mixture should brine be at
23-25%
84
Brine should not be applied to roadways above what temperature
28
85
at what temperature is salt brine most effective
-6 to 28
86
What are some benefits of using salt
>reduces traffic accidents
>lives saved by reducing emergency response times
>Energy savings .37-1.2 billion gallons of fuel saved
87
What are some facts about salt
>most common to deice roadways
>reaction time is under 30min
>Does not work below 22
>accepted use 300-800lbs per two lane highway
88
What are some benefits of pre-wetting salt (32% calcium chloride)
>Reduces use of salt
>effectively work at temps below 5
>Does not need traffic to activate
>36% savings on salt use
89
>Snow plowing should be done curb to curb or edge of roadway to edge
>Make one pass for every 10ft of roadway width
>Snow plowing usually is performed pushing the snow to the curb line or the right
>Fast enough to move snow to curb line but not fast to damage adjoining properties
Snow plowing procedures
90
Why is it important to have a snow ordinance.
Establish guidelines for residents and to provide legal basis for enforcement
91
T or F The governor is the only one to declare a snow emergency
False
92
T or F the modern snowfighter is accountable for meeting community needs as well as protecting the environment
True
93
What is the goal of an athletic field.
To provide playing surfaces that enhance both player safety and performance
94
Properties of a playing surface affect surface characteristics which are
>hardness (impact attenuation)
>traction
>ball rebound
>ball roll
>player safety
>player performance
95
what are some potential hazards on athletic fields.
>sprinkler heads
>animal burrows
>loose debris/turf
>vandalism
96
Limits the time fertilizer can be used.
New Jersey fertilizer law
97
When can consumers apply fertilizer
November 15th- March 1st
98
When can professionals apply fertilizer
December 1st- March 1st
99
What are the three types of fertilizer.
>Inorganic (ammonium sulfate)
>Natural organic (sludge)
>Synthetic organic (ureas)
100
contain sources of nitrogen, phosphorous, potassium
Complete fertilizer
101
contain one or two of the elements but not all three.
Incomplete fertilizer
102
Numbers on fertilizer bag which indicate percentages of nitrogen, phosphorous, and potassium or potash
Fertilizer ratio
103
15-25-12
example of fertilizer ratio
104
>Natural process of air exchange between soil and surrounding atmosphere.
>Reduces compaction
>Include 1/2" to 3/4" diameter cores to a depth of 2-3 inches
>should be done on priority fields 2-4 times per season
>spring and fall best time to aerate
Aeration
105
The purpose of slopes and field crowns
to move water the shortest distance
106
what is the slope of a field
1-1.9%
107
Any person who uses or supervises the use of pesticides for the purpose of raising an agricultural commodity
Private applicator
108
Any person who applies pesticides for non-agricultural purposes
Commercial applicator
109
Playground equipment refers to equipment for use by children ages ___
6 months to 12 years
110
Why is playground surfaces most important
to reduce life threatening head injuries
111
Appropriate surfacing materials for playgrounds
sand, recycled mulch, engineered wood fibers, unitary surfaces
112
>crush and shear points
>entanglement and impalment
>strings and ropes
>entrapment
>sharp points, corners and edges
>suspended hazards
> tripping hazards
Playground hazards
113
T or F trees do not die back on a regular/yearly basis but continue to grow from year to year
True
114
trees grow within the upper ___ of soil and roots can spread ___times further than the branches of the tree
18-24in and 2-3 times
115
Good rule to prevent pavement lifting from trees.
Use smaller plants, provide 4ft distance or use mechanical root barriers
116
The journey water takes as it circulates from the land to the sky and back again is called..
Hydrological cycle
117
Any subsurface water that occurs beneath the water table in soil.
Groundwater
118
Refers to water occurring in lakes, rivers, streams or other fresh water sources.
Surface water
119
Purpose of fire hydrant
fire fighting and flushing the water system
120
What do fire hydrant bonnets identify.
Rapid identification due to available flow class.
121
Valves are devices that control
>Flow
>Volume
>Pressure
>Direction of liquids through pipelines or other passageways
122
__ are flow sensitive devices that rely on the line fluid to open and close.
Check valves
123
The valve uses a "ball" inside the body to control the movement of flow.
Ball checks
124
This valve is a backflow prevention device designed to protect water supplies from contamination.
Double check valve
125
Inspection of any backflow prevention device shall be conducted at least....
Once per year or within 6 months prior to an application renewal
126
Simple design using disc attached to an arm that is hinged to the top of the valve
Swing arm check valve
127
Why is important to flush a water system.
>Remove sediments
>Remove stale water
>improves water quality
128
How many times do you flush a water system.
Twice (once in spring and once in fall)
129
Why do you eliminate dead ends in water system.
Removes stale water and provides better circulation in the mains
130
What are the three ways water is stored
>Elevated tank
>Ground tank
>Reservoir
131
The DEP requires a utility to have __ day total water usage for the service area.
1
132
Four types of pumps found in water distribution.
>Well/high service pump
>Vertical pump
>Turbine pump
>Split case horizontal pump
133
Designed to move large amounts of water from a well to a higher elevation,
Well/High service pump
134
Similar in operation to a well or high service pump. Instead of being underground in well casing, the pump is installed above ground.
Vertical pump
135
Mainly used to pump water from deep wells or other underground and man-made bodies of water into a distribution system
Turbine pump
136
Designed to move high volumes of water.
Split case horizontal pump
137
Arched cast iron structure that is placed over the top of the curb stop/valve to protect it and provide access to turn a water service on/off to a building or property.
Curb box
138
Measures volume and flow flow, in liters and gallons used by a source.
Water meters
139
What are the two general categories of wastewater
Domestic and industrial
140
Originates from domestic, household activities, may include discharged from commercial and business buildings.
Domestic wastewater
141
Originates from manufacturing process, and variable in character and are more difficult to treat.
Industrial wastewater
142
If velocity is not maintained at __ per second or higher, solids will settle out causing odor and release of hydrogen sulfide.
2 feet
143
Family dwellings will discharge __ gallons per day per person which is considered reasonable.
100
144
T or F flow patterns are variable and can change hourly and correspond to human activity and are greatest at mealtimes, mid-morning laundry, and bedtimes.
true
145
___ is a process in which the solids are removed and partially changed by decomposition from organic solids to stable mineral.
Wastewater treatment
146
Absence of oxygen in wastewater.
Anaerobic condition
147
Presence of oxygen in wastewater
Aerobic condition
148
Manholes are installed:
>Every 300-500 feet to allow for inspection and cleaning
>To sample wastewater
>to perform maintenance of the lines
149
Manholes are constructed of what...
Brick, concrete block, poured concrete, and precast concrete.
150
Two types of manhole cone designs.
Concentric manhole cone and eccentric manhole cone
151
the cone of the manhole tapers uniformly from the barrel to the manhole cover.
concentric
152
the cone tapers non-uniformly from the barrel to the manhole cover with one side usually being vertical.
eccentric
153
used in high velocity trunk main lines
Solid manhole cover
154
use in low velocity gravity lines
manhole cover with holes
155
T or F Fresh wastewater is grey and septic is black
true
156
Sewer station that lifts or raises wastewater from lower elevation to a higher elevation
Lift station
157
Discharges wastewater into a long force main, accomplished by centrifugal pumps.
Pump station
158
Standby emergency generators can be fueled by
diesel fuel, natural gas, or liquid propane.
159
Generators should be operated and maintained on a __
weekly basis
160
Types of sewer maintenance equipment.
>Rodding machine
>Bucket machine
>High velocity cleaner
161
Why is televising sewer lines necessary.
>identify existing or potential problem area
>Evaluate seriousness of problem
>Locate position of problem
>Examine work completed by contractors
>Examine work completed by plumbers
162
Problems identified with closed circuit television system include.
>Root intrusion
>Pipe defects
>Stoppage problems
>Unrecorded illegal taps
>Illegal dumping
>Protruding sewer laterals
163
Types of water/stormwater/sewer pipes
>Cast iron pipe
>Ductile iron pipe
>Orangeburg pipe
>Vitrified clay or terracotta pipe
>Asbestos cement/transite pipe
>Polyvinyl chloride pipe
>Concrete reinforced pipe
>Plastic corrugated pipe (HDPE)
164
Two styles of cast iron pipe
Hub and hubless
165
Life expectancy of ductile iron pipe
100 years
166
Layers of wood and pulp sealed with hot tar. used from 1860s-1970s
Orangeburg pipe
167
Clay that has been subject to heating and turns into inert ceramic state
VCP
168
Pipe that was widely used for water supply piping
Asbestos cement
169
Invented in 1925 by a B.F. Goodrich.
PVC
170
White in color used for sewer non pressurized.
Schedule 40 PVC
171
Green in color used in high volume pressurized lines
Schedule 35 PVC
172
Grey or black in color, chemical resistant, good for temps up to 140F
Schedule 80 PVC
173
Causes for sewer pipes to fail
>Tree roots
>age
>improper bedding
>corrosion
174
Joins both like and unlike pipes together
Fernco couplings
175
Water that originates during rain events and snow and ice melts.
Stormwater
176
Designed to drain excess rain and groundwater from impervious surfaces such as streets.
Catch basin/inlet
177
What two major problems does stormwater cause
volume of runoff (flooding)
Contaminants in the water (pollution)
178
Hydraulic structure that is used to convey surface waters through embankments.
Culverts
179
What materials are culverts made from.
Concrete, precast concrete, galvanized steel, aluminum, plastic.
180
What shapes do culverts come in.
Round, elliptical, arch-like, flat bottomed, pear-shaped, and box like.
181
Causes of work accidents
>Unsafe personal Acts
>low morale
>Shortcuts
182
T or F more public works employees get hurt than any other department in government.
True
183
What are some way exposure of chemicals can enter your body.
>Inhalation
>Absorption
>Ingestion
>Injection
184
Systems develop quickly but are usually of short duration
Acute
185
Symptoms take a long time to develop, are difficult to diagnose, and may reoccur.
Chronic
186
Any space where following conditions exist.
>Large enough and so configured that an employee can bodily enter it to perform assigned work
>Has limited means of entrance and exit
>Not designed for continuous worker occupancy
Confined space
187
Three atmospheric hazards in confined space are....
>Oxygen deficient
>Flammable
>Toxic
188
Minimum safe entry oxygen level for confined space.
19.5%-23.5%
189
Flammable atmosphere contain 3 things to make flammable atmosphere
>Oxygen
>flammable gas, vapor, or dust
>Source of ignition
190
Before entering a confined space you should ventilate it with normal air for no less than ___
15 minutes
191
A confined space that contains one or more of the following characteristics.
>Contain or has the potential to contain hazardous atmosphere
>Contains material that has potential for engulfing an entrant
>Has internal configuration such that an entrant could be trapped, asphyxiated by converging walls or sloped floor
>Contains any other recognized serious safety or health hazards
Permit required confined space
192
Who needs training when it comes to confined space
All authorized entrants, attendees, and rescue personnel
193
Any item or agent (biological, chemical, radiological, and or physical) which has the potential to cause harm to humans, animals, or the environment, either by itself or through interaction with other factors
Hazardous materials
194
Six clues to detect hazardous materials.
>Occupancy/location
>Container shapes
>Markings and colors
>Placards and labels
>Shipping papers and other documents
>Senses
195
Study Placard pg 283
Study Placard pg 283
196
In Nj the law requires anyone digging in the ground to call at least ___ days in advanced
3
197
Who should notify the one-call center of the intent to engage in any excavation or demolition.
An excavator or responsible contractor
198
All marks used to indicate a particular facility shall be placed at intervals of ___ ft
25 ft
199
Underground facility operators shall maintain markout records for ___ years
7
200
Need for shoring depends on.
>Depth of excavation
>Width of the excavation
>type of soil (clay or sand)
>Soil conditions (compaction moisture)
>Nearby activities that cause vibrations
>Length of time the excavation is expected to be open
201
All trenches and excavations __ ft depth and deeper must be shored to protect workers against the hazards of moving ground.
5
202
Three components of asphalt
>Aggregate
>Binders
>Air voids
