office of traffic, safety and technology module 5 work zone plan sets module 5 work zone plan sets...

Module 5Work Zone Plan Sets

Traffic Control Plan Development Course

Work Zone Workshop

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

Work Zone Workshop

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

gy Metro Work Zones and

Pavement Marking

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

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

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.

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.

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.

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)

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

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:

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

Metro Checklist

ASSHTOWare

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

gy Common TTC Plan Set

IssuesDiscussed Later

Construction Plan Title Sheet

Plan Description and LocationPlan Description and Location

Project Number(s)Project Number(s)

Governing Specifications and Index of Sheets

Plan Preparation Certification NotePlan Preparation Certification Note

Project Numbers and Sheet NumbersProject Numbers and Sheet Numbers

Signature BlockSignature Block

Index MapIndex Map

Project LocationProject Location

Plan Revisions BlockPlan Revisions Block

TTC Plan Title Sheet

Traffic Control Plan Title SheetTraffic Control Plan Title Sheet

General InformationGeneral Information

Signing NotesSigning Notes

Pavement MarkingsPavement Markings

Barriers and DelineationBarriers and Delineation

Construction Information SigningConstruction Information Signing

TTC Plan IndexTTC Plan Index

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

TTC Plan Title SheetStriping Legend KeyStriping Legend Key

Title, Signature, Project Number and Sheet Number Block

Traffic Control Tabulation

AASHTOWare Project List

Traffic Control Tabulation Charts Sheet

Special Sign Details

Narrative Sheet

Advanced Signing

Detour Sheeting

TC Layout Sheets

Typical Drawings

TC Layout Sheets

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

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

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

streets

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

Issues– The legend does not agree with what’s

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

Issues– Pay items do not agree with what’s

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

are accounted for

Issues– Impact attenuators are not paid for

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

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

whether they are permanent or temporary

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