Office of Traffic, Safety and Technology Module 5 Work Zone Plan Sets Module 5 Work Zone Plan Sets...

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Module 5Work Zone Plan Sets

Traffic Control Plan Development Course

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Work Zone Workshop

This Workshop Keys on:– Trained Editorial Discussion – Keeping Editorial No-nonsense

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Work Zone Workshop

This Workshop Keys on:– Trained Editorial Discussion – Keeping Editorial No-nonsense

(TED)

(KEN)

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Pavement Marking

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http://www.dot.state.mn.us/metro/trafficeng/control_striping.html

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Work Zone Plan Sets

Some of the sheets found on a TTC plan include, but are not limited to:– Title Sheet

• For Overall Plan• For TC Section

– Pay Item Tabulation Sheet– Traffic Control Tabulation Sheet– Special Signs– Narrative– Advanced Signing– Detours– Traffic Control Staging Sheets (Layout Sheets)– Typical Sheets

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TC Plan Development

General Information– Designers must be aware of the need

for a Traffic Control Plan– Coordination meetings are

recommended– Designer will likely need to provide

construction sheets or general layout sheets

– Traffic Engineering will develop based on:• TEM• MN MUTCD• TMP

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Plan Assembly Steps

1. To begin the project, start with ProjectWise

2. Obtain the existing construction plans, including any staging

3. Eliminate levels of detail (buildings, lot lines, etc) on roadway plan sheets

REASON: So placement of signs on roadway sheets are not cluttered by underlying details.

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Plan Assembly Steps

1. To begin the project, start with ProjectWise

2. Obtain the existing construction plans, including any staging

3. Eliminate levels of detail (buildings, lot lines, etc) on roadway plan sheets

REASON: So placement of signs on roadway sheets are not cluttered by underlying details.

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TTC Assembly Steps

4. Organize roadway plan sheets– all mainline roadway comes first with

stationing generally increasing from left to right (include roadway through interchanges for depicting mainline TC through the interchange

– next are interchange/intersection layouts for indicating TC on cross streets and at ramp terminals

REASON: Consistency in design.

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TTC Assembly Steps

5. Place traffic control elements on the roadway plan sheets for each direction of travel

– Refer to the discussions in Chapter 3 (Devices and Materials) and Chapter 4 (Work Zone Applications)

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TTC Assembly Steps

6. Label each type of pavement marking with the following numbering system:

REASON: The uniqueness of each pavement marking material is bid differently by contractors

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TTC Assembly Steps

7. For a detour plan, a circled note below the sign on the layout sheet indicates the action to take with the sign

– Typical notes show include:

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TTC Assembly Steps

8. Prepare list of standard plates applicable to project

9. Prepare list of estimated quantities using the total quantity from each of the data boxes

10.Assemble all necessary typical sheets11.Complete the title sheet12.Assemble ALL of the plan sheets in the

proper order13.Number the roadway sheets

sequentially beginning with the Title Sheet as Sheet TC1

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Metro Checklist

ASSHTOWare

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Clear Zone Requirements

From Road Design Manual– Clear zone is the distance from the edge of the

travel lane which should be free of any non-traversable hazard such as steep slopes or fixed objects

– Targeted towards allowing approximately 80 to 85 percent of all run-off-the-road vehicles to recover or come to a safe stop

– The width of a clear zone along the horizontal alignment is dependent on:

• roadside geometry• design speed• radius of horizontal curve• ADT

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IssuesDiscussed Later

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Construction Plan Title Sheet

Plan Description and LocationPlan Description and Location

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Project Number(s)Project Number(s)

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Governing Specifications and Index of Sheets

Governing Specifications and Index of Sheets

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Plan Preparation Certification NotePlan Preparation Certification Note

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Project Numbers and Sheet NumbersProject Numbers and Sheet Numbers

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Signature BlockSignature Block

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Index MapIndex Map

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Project LocationProject Location

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Plan Revisions BlockPlan Revisions Block

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TTC Plan Title Sheet

Traffic Control Plan Title SheetTraffic Control Plan Title Sheet

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General InformationGeneral Information

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Signing NotesSigning Notes

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Pavement MarkingsPavement Markings

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Barriers and DelineationBarriers and Delineation

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Construction Information SigningConstruction Information Signing

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TTC Plan IndexTTC Plan Index

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TTC Plan Title SheetTraffic Control Devices and Symbols LegendTraffic Control Devices and Symbols Legend

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TTC Plan Title SheetStriping Legend KeyStriping Legend Key

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Title, Signature, Project Number and Sheet Number Block

Title, Signature, Project Number and Sheet Number Block

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Traffic Control Tabulation

AASHTOWare Project List

http://bidlet.dot.state.mn.us/ItemSearch.aspx

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Traffic Control Tabulation Charts Sheet

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Special Sign Details

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Narrative Sheet

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Advanced Signing

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Detour Sheeting

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TC Layout Sheets

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TC Layout Sheets

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TC Layout Sheets

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TC Layout Sheets

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TC Layout Sheets

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Typical Drawings

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TC Layout Sheets

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TC Layout Sheets

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IssuesThe following is a list of some of

the common issues with TTC plan sets from MnDOT reviewers

These are not in any order of importance

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Issues– The designer uses PLACE instead of

INSTALL– Whenever INSTALL is used by itself it

implies that the material is either salvaged or supplied

– It is preferred to use PLACE, FURNISH AND INSTALL, or CONSTRUCT

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Issues– All of the roadways are not labelled– Ensure to label the mainline and cross

streets

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Issues– There is a beginning SP and no end– A SP is not required on traffic control

plans so it is suggested not to show it at all

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Issues– The legend does not agree with what’s

shown on the plan– Ensure to that the plan and legend

match

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Issues– Pay items do not agree with what’s

shown on the plan– Ensure that they do and that all items

are accounted for

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Issues– Impact attenuators are not paid for

correctly and are shown incorrectly on the plan (e.g. barrels vs systems)

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Issues– Attenuator test levels are not shown– Show test level on the attenuators and

whether they are permanent or temporary

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Office of Traffic, Safety and Technology Module 5 Work Zone Plan Sets Module 5 Work Zone Plan Sets...

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Transcript of Office of Traffic, Safety and Technology Module 5 Work Zone Plan Sets Module 5 Work Zone Plan Sets...