Highway 125 Night Work

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Highway 125 Night Work
Making Work Zones Work Better Workshop
Gerard Kennedy, P.Eng. Nova Scotia
Department of Transportation Public Works
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Night Work Safety Concerns
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Hwy 125 Night Work

• Project Background
• Specification Development
• Traffic Management

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Hwy 125 Night Work

• Project Background
• Specification Development
• Traffic Management

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Province of Nova Scotia
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Highway 125
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Highway 125
EXIT 9

• 100 Series 2 lane/ 2 way
• Total Length 11.2 Km
• Cold Planing 110,000 m2
• Paving 33,000 t
• (including PMA)
• Guardrail 3500 m

CB Regional Hospital
EXIT 8
EXIT 7
EXIT 6
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Hwy 125 - Traffic Volumes

• AADT 21,000 veh/day
• ADT (Summer) 25,000 veh/day
• Daytime Hourly 1000 to 2200 veh/hr
• Peak Flow gt 2300 veh/hr

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Hwy 125 Night Work

• Project Background
• Specification Development
• Traffic Management

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Information Gathering
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Night Work Specification

• Work periods
• Planning
• Training
• Signing
• Channelization Devices
• Traffic Control Persons
• Workers
• Work Vehicles
• Lighting
• Site Maintenance

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Night Work Specification

• Work periods
• Planning
• Training
• Signing
• Channelization Devices
• Traffic Control Persons
• Workers
• Work Vehicles
• Lighting
• Site Maintenance

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No Lane Closures
8.5 Hrs Work
750
530 AM
900 PM
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No Lane Closures
11 Hrs Work
600 AM
700 PM
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Night Work Specification

• Work periods
• Planning
• Training
• Signing
• Channelization Devices
• Traffic Control Persons
• Workers
• Work Vehicles
• Lighting
• Site Maintenance

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Nighttime Work Plan

• Traffic control
• Emergency vehicles
• Temporary markings
• Lighting design
• PPE requirements
• Training plans
• Noise reduction

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Lighting Design
Tower Layout
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Lighting Design
Lamp Aiming
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Lighting Design
TCP Lighting
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Night Work Specification

• Work periods
• Planning
• Training
• Signing
• Channelization Devices
• Traffic Control Persons
• Workers
• Work Vehicles
• Lighting
• Site Maintenance

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Night Work Training

• Night work hazards
• Vision
• Visibility
• Reflective Materials
• PPE site Reqmts

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Night Work Training Site
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Night Work Specification

• Work periods
• Planning
• Training
• Signing
• Channelization Devices
• Traffic Control Persons
• Workers
• Work Vehicles
• Lighting
• Site Maintenance

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1.5 m
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Night Work Specification

• Work periods
• Planning
• Training
• Signing
• Channelization Devices
• Traffic Control Persons
• Workers
• Work Vehicles
• Lighting
• Site Maintenance

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12 M Max
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Night Work Specification

• Work periods
• Planning
• Training
• Signing
• Channelization Devices
• Traffic Control Persons
• Workers
• Work Vehicles
• Lighting
• Site Maintenance

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5 m
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Night Work Specification

• Work periods
• Planning
• Training
• Signing
• Channelization Devices
• Traffic Control Persons
• Workers
• Work Vehicles
• Lighting
• Site Maintenance

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Standard Vest
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High-Visibility Vest
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High-Visibility Vest
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Silver Trim
Yellow Trim
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Night Work Specification

• Work periods
• Planning
• Training
• Signing
• Channelization Devices
• Traffic Control Persons
• Workers
• Work Vehicles
• Lighting
• Site Maintenance

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Night Work Specification

• Work periods
• Planning
• Training
• Signing
• Channelization Devices
• Traffic Control Persons
• Workers
• Work Vehicles
• Lighting
• Site Maintenance

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Lighting Levels

• Level 1 General Site Lighting min 59 lux
  (Safety)
• Level 2 Behind the Paver min 108 lux
  (Workmanship)
• Level 3 T C Person min 215 lux (High
  Visibility/Detailed Work)

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Illumination Levels 2 Lanes
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Illumination Levels Spreader
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Night Work Specification

• Work periods
• Planning
• Training
• Signing
• Channelization Devices
• Traffic Control Persons
• Workers
• Work Vehicles
• Lighting
• Site Maintenance

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ATSSA Guidelines for Work Zone Traffic Control
Devices
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Site Inspection
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Hwy 125 Night Work

• Project Background
• Specification Development
• Traffic Management

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Traffic Management

• Restricted Work Periods
• Emergency Vehicle Passage
• Variable Message Signs
• Media Announcements
• Toll Free Information Line

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Traffic Management

• Restricted Work Periods
• Emergency Vehicle Passage
• Variable Message Signs
• Media Announcements
• Toll Free Information Line

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Traffic Management

• Restricted Work Periods
• Emergency Vehicle Passage
• Variable Message Signs
• Media Announcements
• Toll Free Information Line

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Emergency Vehicle Passage

• Emergency Services Meeting
• Dedicated Site Contact
• Traffic Control Site Communications

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Traffic Management

• Restricted Work Periods
• Emergency Vehicle Passage
• Variable Message Signs
• Media Announcements
• Toll Free Information Line

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Typical VMS Messages
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Traffic Management

• Restricted Work Periods
• Emergency Vehicle Passage
• Variable Message Signs
• Media Announcements
• Toll Free Information Line

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Regular Newspaper Updates
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Traffic Management

• Restricted Work Periods
• Emergency Vehicle Passage
• Variable Message Signs
• Media Announcements
• Toll Free Information Line

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Traffic Management - Success
Trips during construction gt 1.5 million
Delay work zone related complaints 0
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? Questions ?
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Contact Information

• Gerard Kennedy, P.Eng.
• Project Engineer
• Nova Scotia Dept. of Transportation Public
  Works
• P.O. Box 1180
• Sydney, N.S.
• Canada
• B1P 6J9
• kennedge_at_gov.ns.ca
• Tel [phone]
• Fax [phone]