work zone safety it starts with you!!. 2 book 7 what is new??? imsa technical expo october, 2014...
TRANSCRIPT
Work Zone Safety
It Starts With YOU!!
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BOOK 7
What is NEW???
IMSA TECHNICAL EXPO
October, 2014
Dave Edwards
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Significant Changes
• Section 1.4 How to use the book Detailed description of what each section does.
• Section 2.3.4 Partial Lane ShiftsBetter description of where they can and can’t be used.
• Section 2.4.7 Ingress and Egress Detailed description of what do to make it safer for construction vehicles to enter and exit facilities (dynamic truck entrance signs of freeways).
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Dynamic Truck Entrance Sign
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Significant Changes
• Section 2.4.8 Linear Space restrictionsDescription of what to do when work space is tight
• Section 2.6.1 Speed Control (new)Provides guidance to designers as to what can be
done to make zones safer (speed trailers etc.)
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Significant Changes
• Section 2.6.2 and 2.6.3 Pedestrian and Cyclists Considerations
Significant changes to both of these areas to ensuretheir needs are met (advance notification, detour
routes, minimum widths of sidewalks and bike paths, surface types, construction sign locations etc.)
• Section 3.1.6.1 Orange Pavement MarkingsTemporary markings upgraded to include orange as
well as guidance as to how and where they should be used.
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Orange Pavement Markings
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Significant Changes
• Section 3.1.8. Message Sign and Devices
-Changes to reflect the policy updates for Portable Variable Message Signs
-Speed Display Signs
-Highway Advisory Radio
-Road Information Telephone Lines
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Significant Changes
• Section 3.3.4 Barrier Systems -Moveable Barriers
-Temporary Concrete Barriers
-Mobile Barriers
-Vehicle Arresting Systems
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Portable Temporary Mobile Barrier
Fundamental Principles
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Portable Temporary Mobile Barrier
Fundamental Principles
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Significant Changes
• Section 3.4 Application of New Technologies -A dedicated section to document how new products or
procedures can be tried or implemented on jobs. Potential for approved products to go to some form of approved list
• Section 4.1 Preparation Before Beginning Work-More in depth description of what is needed before work starts including an example of what to look for and document upon arrival on site.
-Detailed typical layouts and descriptions as to how to set up and remove freeway lane closures.
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Significant Changes
• Section 5.3.1 to 5.3.4 Temporary Traffic Signals
-Automated Flagger Assistance Devices
-Portable Lane Control Signals
-Portable Temporary Traffic Signals
-Temporary Traffic Signals
• There is a much more complex explanation for all of these devices and how they are to be used as devices to control traffic in temporary conditions.
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Significant Changes
•Section 6 Stop Slow Paddle changesStop Slow paddle will be permitted to have flashing
red lights imbedded in the body of the sign.
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Stop Slow Paddle
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Significant Changes
• Section 6.3.6 Changes to the TC-12 Flashing Arrow Board sign
Sign will be performance based and not based on the number
of lights.
• Typical Layout ChangesMany new typicals have been added and many were changed to reflect current practices. These were all reviewed by ORBA
and MOL have been agreed to.
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Roundabout Typical layout
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Significant Changes
• Appendix “A” New section on unplanned events.
Topics includes: definitions, direction for first responders, what traffic control is appropriate,hazard identification, change of command,PPE and flares, new emergency sign, extended situations (James Snow Parkway).
Several typical layouts have been included to handle
the various scenarios first responders may encounter.
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Significant Changes
• Progressive Traffic ControlArrival
-Identify Hazards and Assess the Situation
-If incident is on live lane assess the level of traffic
control that is necessary. Position your vehicle to best
protect the scene
Initial Set up-place cones or flares to establish initial taper to
allow traffic to pass
-as additional resources arrive direct them to assist with traffic control and assess the need for additional traffic control (crash trucks more signs etc)
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Significant Changes
• Progressive Traffic ControlEnhanced Traffic control
-place additional signs as soon as possible
-expand taper and cones for road conditions and
estimated on-scene time
Ongoing Traffic control-if an extended scene is anticipated additional traffic
control shall be set up in accordance with Book 7 and
the appropriate duration (PVMS signs, detour routing
etc.)
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Significant Changes
• Progressive Traffic ControlOngoing Traffic control (con’t)
-place additional signs as soon as possible
-expand taper and cones for road conditions and
estimated on-scene time
-all red and blue emergency lights shall be turned off
and only yellow traffic control lights shall be used. This is to reduce the amount of lighting and reduce the
rubber necking
-remove initial flares or e-flares once zone is set up
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Progression of Traffic Control
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Emergency Signs
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Emergency Response Vehicles
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QUESTIONS???