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CPWM Study > Operations Resource Management > Flashcards

Operations Resource Management Flashcards

1
Q

What does MUTCD stand for

A

Manual on Uniform Traffic Control Devices

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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

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3
Q

> Advanced warning area
Transition area
Buffer Space
Activity/Work area
Termination area

A

Components of traffic control work zones

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4
Q

Section of highway where road users are informed about upcoming work zone

A

Advanced warning area

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5
Q

Section of the highway where road users are directed out of their normal lane of traffic

A

Transition area

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6
Q

Separates road user flow of traffic from the work space

A

Buffer space

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7
Q

Section of the highway where the actual work is taking place

A

Activity/work area

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8
Q

Section where road users are returned to their normal driving lanes

A

Termination area

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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

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10
Q

any road street or similar facility under the jurisdiction of and maintained by public agency

A

Public road

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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

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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

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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

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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

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15
Q

Statement of required mandatory or specifically prohibitive practice regarding a traffic control device

A

Standard

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16
Q

Recommended but not mandatory

A

Guidance

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17
Q

Carries no requirement or recommendation

A

Option

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18
Q

Informational statement that does not convey any degree of mandate, recommendation, authorization, prohibition, or an enforceable condition

A

Support

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19
Q

Conventional size of a stop sign

A

30x30

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20
Q

Shape of a stop sign

A

Octagon

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21
Q

Stop sign definition in MUTCD is

A

R1-1

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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

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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

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24
Q

Any vehicle that operates within/between 2 or more states

A

Interstate commerce

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25
Q

Any vehicle that operates within the boundaries of 1 state

A

Intrastate commerce

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26
Q

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.

A

Hours of service regulations

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27
Q

CDL driver may drive a maximum of ___ continuous hours but not more than 14 in any given work day.

A

11

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28
Q

In 1887 the ___ transferred responsibility for the supervision of street cleaning and waste disposal over to the newly formed Department of Public Works

A

Bullitt Bill

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29
Q

New jersey passed the ___ in ___ which legislation mandated source separation of leaves and at least 3 marketable materials such as newspaper, glass, and cans

A

Mandatory Source Separation and Recycling Act. 1987

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30
Q

What are the 7 types of solid waste categories

A

Agricultural, Commercial, Industrial, Institutional, Municipal, Pesticide, Residential

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31
Q

> 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

A

Solid waste ID numbers and type of waste

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32
Q

Any item that can be reused or converted into another useful product

A

Recyclable material

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33
Q

> Mixed paper
newsprint
corrugated
plastic
yard waste
food waste
glass

A

Examples of recyclable material

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34
Q

Solid waste services can be provided by whom

A

Local government or Private contractor

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35
Q

What are the four types of waste collection

A

Municipal collection, contract collection, franchise collection, private collection

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36
Q

Types of equipment used in solid waste/recycling

A

Rear loading, Side loading, Front loading, Flat bed/roll off

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37
Q

Single vehicle assigned a route for each work shift

A

Task system

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38
Q

Crew can be assigned a route for a designated time period, may take more than one 1 day or a few days to complete

A

Time system

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39
Q

Several crews are utilized to collect materials alongside a single route

A

Group task system

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40
Q

What are the two types of processing in solid waste.

A

Composting and incineration

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41
Q

Name the reasons why solid waste is processed.

A

Volume reduction, sanitation, conversion to useful products, ease of disposal

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42
Q

Cost per cubic yard or per ton to dispose of the solid waste at a solid waste facility

A

Tipping fee

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43
Q

A land site where solid waste is disposed of in a manner that does not protect environment

A

Dump

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44
Q

A land site where solid waste is disposed of utilizing sanitary landfill techniques that is compacting the waste in thin layers, compacting, then covering.

A

Sanitary landfill

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45
Q

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.

A

recycling enhancement act (REA)

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46
Q

To be able to receive a recycling grant municipalities must.

A

> designate
submit tonnage report
Must be signed by CRP

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47
Q

> 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.

A

Eight Municipal Responsibilities

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48
Q

Total recycling over
Total recycling+Total solid waste disposed multiply by 100

A

Recycling rate calculation

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49
Q

What is the primary function of asphalt pavement

A

To distribute wheel load

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50
Q

What makes up asphalt

A

95% aggregate and 5% binders

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51
Q

> Liquid asphalt
asphalt cement
Bitumen

A

Asphalt binders

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52
Q

What are the three pavement types

A

Dense-graded asphalt, Open-graded asphalt, Stone-matrix asphalt.

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53
Q

> 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)

A

Pavement designations

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54
Q

Approximate temperature of hot mix asphalt

A

325

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55
Q

Asphalt temperatures on a delivery truck to a work site should be

A

225

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56
Q

Minimum compaction temperature for asphalt

A

no less than 175

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57
Q

Minimum air temperature for paving

A

40

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58
Q

Process by which the asphalt is compressed and reduced in volume

A

Compaction

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59
Q

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

A

True

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60
Q

What are 3 reasons to compact asphalt

A

Increase aggregate particle contact point, reduce air voids, provides for a smooth ride

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61
Q

Factors that deteriorate pavement surfaces

A

Sun’s uv rays, oxidation, oil/fuel products, traffic, water/weather

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62
Q

Potholes exist when two factors are present at the same time. they are

A

water and traffic

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63
Q

As pavement continues to age, asphalt binder used to hold the aggregate in the asphalt deteriorates to the point it can no longer perform.

A

Raveling

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64
Q

Types of asphalt cracks

A

> Linear/transverse
Alligator/spider web
Block cracking/Shrinkage
Edge cracks
Joint reflection
Slippage cracks

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65
Q

Types of Asphalt defects

A

> Depressions
Rutting
Shoving
Upheaval
Weed/Grass vegetation growth

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66
Q

> Weak subgrade
Weight of traffic
Poor drainage
Lack of maintenance
Age
Freezing and thawing of pavement

A

Causes of pavement failure

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67
Q

Life of new pavement

A

20+ years

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68
Q

Life of Milled/overlay 2”

A

15-17 years

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69
Q

Life of overlay chip and seal 1-1/4”

A

7-10 years

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70
Q

Life of seal treatments

A

2-7 years

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71
Q

what are the factors for in house vs contract paving

A

> equipment available
capital budgets
expertise
condition of roads

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72
Q

What are some repair techniques for asphalt repair

A

Throw and go method, Throw and roll method, and Semi permanent, spray injection, edge seal

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73
Q

Most effective asphalt repair method

A

Semi permanent repair

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74
Q

For asphalt cut outs deeper than __ inches in depth, place the asphalt in the cut more than one lift

A

6

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75
Q

When is the best time to perform crack sealing

A

Fall or spring

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76
Q

> Overlay
pulverization
slurry seal
micro seal

A

Types of pavement treatments

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77
Q

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.

A

Public works Manager

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78
Q

The largest cost in a public works municipal maintenance budget.

A

Snow/ice control

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79
Q

How do you fight a snowstorm.

A

from the bottom up

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80
Q

How do you prepare for the winter months

A

> Prepare equipment and materials
decide how much equipment you need
Monitor weather forecast conditions

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81
Q

What are some deicing materials.

A

> sodium chloride(salt)
Liquid calcium
Calcium magnesium acetate (CMA)
Brine

82
Q

Most commonly used deicing agent

A

Sodium chloride(salt)

83
Q

What percent mixture should brine be at

A

23-25%

84
Q

Brine should not be applied to roadways above what temperature

A

28

85
Q

at what temperature is salt brine most effective

A

-6 to 28

86
Q

What are some benefits of using salt

A

> reduces traffic accidents
lives saved by reducing emergency response times
Energy savings .37-1.2 billion gallons of fuel saved

87
Q

What are some facts about salt

A

> most common to deice roadways
reaction time is under 30min
Does not work below 22
accepted use 300-800lbs per two lane highway

88
Q

What are some benefits of pre-wetting salt (32% calcium chloride)

A

> Reduces use of salt
effectively work at temps below 5
Does not need traffic to activate
36% savings on salt use

89
Q

> 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

A

Snow plowing procedures

90
Q

Why is it important to have a snow ordinance.

A

Establish guidelines for residents and to provide legal basis for enforcement

91
Q

T or F The governor is the only one to declare a snow emergency

A

False

92
Q

T or F the modern snowfighter is accountable for meeting community needs as well as protecting the environment

A

True

93
Q

What is the goal of an athletic field.

A

To provide playing surfaces that enhance both player safety and performance

94
Q

Properties of a playing surface affect surface characteristics which are

A

> hardness (impact attenuation)
traction
ball rebound
ball roll
player safety
player performance

95
Q

what are some potential hazards on athletic fields.

A

> sprinkler heads
animal burrows
loose debris/turf
vandalism

96
Q

Limits the time fertilizer can be used.

A

New Jersey fertilizer law

97
Q

When can consumers apply fertilizer

A

November 15th- March 1st

98
Q

When can professionals apply fertilizer

A

December 1st- March 1st

99
Q

What are the three types of fertilizer.

A

> Inorganic (ammonium sulfate)
Natural organic (sludge)
Synthetic organic (ureas)

100
Q

contain sources of nitrogen, phosphorous, potassium

A

Complete fertilizer

101
Q

contain one or two of the elements but not all three.

A

Incomplete fertilizer

102
Q

Numbers on fertilizer bag which indicate percentages of nitrogen, phosphorous, and potassium or potash

A

Fertilizer ratio

103
Q

15-25-12

A

example of fertilizer ratio

104
Q

> 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

A

Aeration

105
Q

The purpose of slopes and field crowns

A

to move water the shortest distance

106
Q

what is the slope of a field

A

1-1.9%

107
Q

Any person who uses or supervises the use of pesticides for the purpose of raising an agricultural commodity

A

Private applicator

108
Q

Any person who applies pesticides for non-agricultural purposes

A

Commercial applicator

109
Q

Playground equipment refers to equipment for use by children ages ___

A

6 months to 12 years

110
Q

Why is playground surfaces most important

A

to reduce life threatening head injuries

111
Q

Appropriate surfacing materials for playgrounds

A

sand, recycled mulch, engineered wood fibers, unitary surfaces

112
Q

> crush and shear points
entanglement and impalment
strings and ropes
entrapment
sharp points, corners and edges
suspended hazards
tripping hazards

A

Playground hazards

113
Q

T or F trees do not die back on a regular/yearly basis but continue to grow from year to year

A

True

114
Q

trees grow within the upper ___ of soil and roots can spread ___times further than the branches of the tree

A

18-24in and 2-3 times

115
Q

Good rule to prevent pavement lifting from trees.

A

Use smaller plants, provide 4ft distance or use mechanical root barriers

116
Q

The journey water takes as it circulates from the land to the sky and back again is called..

A

Hydrological cycle

117
Q

Any subsurface water that occurs beneath the water table in soil.

A

Groundwater

118
Q

Refers to water occurring in lakes, rivers, streams or other fresh water sources.

A

Surface water

119
Q

Purpose of fire hydrant

A

fire fighting and flushing the water system

120
Q

What do fire hydrant bonnets identify.

A

Rapid identification due to available flow class.

121
Q

Valves are devices that control

A

> Flow
Volume
Pressure
Direction of liquids through pipelines or other passageways

122
Q

__ are flow sensitive devices that rely on the line fluid to open and close.

A

Check valves

123
Q

The valve uses a “ball” inside the body to control the movement of flow.

A

Ball checks

124
Q

This valve is a backflow prevention device designed to protect water supplies from contamination.

A

Double check valve

125
Q

Inspection of any backflow prevention device shall be conducted at least….

A

Once per year or within 6 months prior to an application renewal

126
Q

Simple design using disc attached to an arm that is hinged to the top of the valve

A

Swing arm check valve

127
Q

Why is important to flush a water system.

A

> Remove sediments
Remove stale water
improves water quality

128
Q

How many times do you flush a water system.

A

Twice (once in spring and once in fall)

129
Q

Why do you eliminate dead ends in water system.

A

Removes stale water and provides better circulation in the mains

130
Q

What are the three ways water is stored

A

> Elevated tank
Ground tank
Reservoir

131
Q

The DEP requires a utility to have __ day total water usage for the service area.

A

1

132
Q

Four types of pumps found in water distribution.

A

> Well/high service pump
Vertical pump
Turbine pump
Split case horizontal pump

133
Q

Designed to move large amounts of water from a well to a higher elevation,

A

Well/High service pump

134
Q

Similar in operation to a well or high service pump. Instead of being underground in well casing, the pump is installed above ground.

A

Vertical pump

135
Q

Mainly used to pump water from deep wells or other underground and man-made bodies of water into a distribution system

A

Turbine pump

136
Q

Designed to move high volumes of water.

A

Split case horizontal pump

137
Q

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.

A

Curb box

138
Q

Measures volume and flow flow, in liters and gallons used by a source.

A

Water meters

139
Q

What are the two general categories of wastewater

A

Domestic and industrial

140
Q

Originates from domestic, household activities, may include discharged from commercial and business buildings.

A

Domestic wastewater

141
Q

Originates from manufacturing process, and variable in character and are more difficult to treat.

A

Industrial wastewater

142
Q

If velocity is not maintained at __ per second or higher, solids will settle out causing odor and release of hydrogen sulfide.

A

2 feet

143
Q

Family dwellings will discharge __ gallons per day per person which is considered reasonable.

A

100

144
Q

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.

A

true

145
Q

___ is a process in which the solids are removed and partially changed by decomposition from organic solids to stable mineral.

A

Wastewater treatment

146
Q

Absence of oxygen in wastewater.

A

Anaerobic condition

147
Q

Presence of oxygen in wastewater

A

Aerobic condition

148
Q

Manholes are installed:

A

> Every 300-500 feet to allow for inspection and cleaning
To sample wastewater
to perform maintenance of the lines

149
Q

Manholes are constructed of what…

A

Brick, concrete block, poured concrete, and precast concrete.

150
Q

Two types of manhole cone designs.

A

Concentric manhole cone and eccentric manhole cone

151
Q

the cone of the manhole tapers uniformly from the barrel to the manhole cover.

A

concentric

152
Q

the cone tapers non-uniformly from the barrel to the manhole cover with one side usually being vertical.

A

eccentric

153
Q

used in high velocity trunk main lines

A

Solid manhole cover

154
Q

use in low velocity gravity lines

A

manhole cover with holes

155
Q

T or F Fresh wastewater is grey and septic is black

A

true

156
Q

Sewer station that lifts or raises wastewater from lower elevation to a higher elevation

A

Lift station

157
Q

Discharges wastewater into a long force main, accomplished by centrifugal pumps.

A

Pump station

158
Q

Standby emergency generators can be fueled by

A

diesel fuel, natural gas, or liquid propane.

159
Q

Generators should be operated and maintained on a __

A

weekly basis

160
Q

Types of sewer maintenance equipment.

A

> Rodding machine
Bucket machine
High velocity cleaner

161
Q

Why is televising sewer lines necessary.

A

> 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
Q

Problems identified with closed circuit television system include.

A

> Root intrusion
Pipe defects
Stoppage problems
Unrecorded illegal taps
Illegal dumping
Protruding sewer laterals

163
Q

Types of water/stormwater/sewer pipes

A

> 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
Q

Two styles of cast iron pipe

A

Hub and hubless

165
Q

Life expectancy of ductile iron pipe

A

100 years

166
Q

Layers of wood and pulp sealed with hot tar. used from 1860s-1970s

A

Orangeburg pipe

167
Q

Clay that has been subject to heating and turns into inert ceramic state

A

VCP

168
Q

Pipe that was widely used for water supply piping

A

Asbestos cement

169
Q

Invented in 1925 by a B.F. Goodrich.

A

PVC

170
Q

White in color used for sewer non pressurized.

A

Schedule 40 PVC

171
Q

Green in color used in high volume pressurized lines

A

Schedule 35 PVC

172
Q

Grey or black in color, chemical resistant, good for temps up to 140F

A

Schedule 80 PVC

173
Q

Causes for sewer pipes to fail

A

> Tree roots
age
improper bedding
corrosion

174
Q

Joins both like and unlike pipes together

A

Fernco couplings

175
Q

Water that originates during rain events and snow and ice melts.

A

Stormwater

176
Q

Designed to drain excess rain and groundwater from impervious surfaces such as streets.

A

Catch basin/inlet

177
Q

What two major problems does stormwater cause

A

volume of runoff (flooding)
Contaminants in the water (pollution)

178
Q

Hydraulic structure that is used to convey surface waters through embankments.

A

Culverts

179
Q

What materials are culverts made from.

A

Concrete, precast concrete, galvanized steel, aluminum, plastic.

180
Q

What shapes do culverts come in.

A

Round, elliptical, arch-like, flat bottomed, pear-shaped, and box like.

181
Q

Causes of work accidents

A

> Unsafe personal Acts
low morale
Shortcuts

182
Q

T or F more public works employees get hurt than any other department in government.

A

True

183
Q

What are some way exposure of chemicals can enter your body.

A

> Inhalation
Absorption
Ingestion
Injection

184
Q

Systems develop quickly but are usually of short duration

A

Acute

185
Q

Symptoms take a long time to develop, are difficult to diagnose, and may reoccur.

A

Chronic

186
Q

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

A

Confined space

187
Q

Three atmospheric hazards in confined space are….

A

> Oxygen deficient
Flammable
Toxic

188
Q

Minimum safe entry oxygen level for confined space.

A

19.5%-23.5%

189
Q

Flammable atmosphere contain 3 things to make flammable atmosphere

A

> Oxygen
flammable gas, vapor, or dust
Source of ignition

190
Q

Before entering a confined space you should ventilate it with normal air for no less than ___

A

15 minutes

191
Q

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

A

Permit required confined space

192
Q

Who needs training when it comes to confined space

A

All authorized entrants, attendees, and rescue personnel

193
Q

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

A

Hazardous materials

194
Q

Six clues to detect hazardous materials.

A

> Occupancy/location
Container shapes
Markings and colors
Placards and labels
Shipping papers and other documents
Senses

195
Q

Study Placard pg 283

A

Study Placard pg 283

196
Q

In Nj the law requires anyone digging in the ground to call at least ___ days in advanced

A

3

197
Q

Who should notify the one-call center of the intent to engage in any excavation or demolition.

A

An excavator or responsible contractor

198
Q

All marks used to indicate a particular facility shall be placed at intervals of ___ ft

A

25 ft

199
Q

Underground facility operators shall maintain markout records for ___ years

A

7

200
Q

Need for shoring depends on.

A

> 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
Q

All trenches and excavations __ ft depth and deeper must be shored to protect workers against the hazards of moving ground.

A

5

202
Q

Three components of asphalt

A

> Aggregate
Binders
Air voids

CPWM Study (9 decks)

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