welcome to inspecting maintenance of traffic items on projects presented by: stefanie d. maxwell,...

Welcome toWelcome toInspecting Maintenance of Inspecting Maintenance of

Traffic Items on ProjectsTraffic Items on Projects

Presented by:Presented by:

Stefanie D. Maxwell, P.E.Stefanie D. Maxwell, P.E.

FDOT Central Office ConstructionFDOT Central Office Construction

February 2010February 2010

GoalGoalQuickly and correctly inspect Quickly and correctly inspect maintenance of traffic (MOT) itemsmaintenance of traffic (MOT) items

Using the tools providedUsing the tools provided

Determine whether the MOT items Determine whether the MOT items are in compliance with the contractare in compliance with the contract

How did we determine what How did we determine what MOT items?MOT items?

MOT Process ReviewsMOT Process Reviews– Review 4 districts per yearReview 4 districts per year– Concurrence with the ContractConcurrence with the Contract– Resource:Resource: Guidelists and Critical Guidelists and Critical

RequirementsRequirements– http://www.dot.state.fl.us/construction/CONSTADM/guidelist/http://www.dot.state.fl.us/construction/CONSTADM/guidelist/

guideindex.shtmguideindex.shtm

Critical Requirements

OutlineOutlineInspecting Pavement Inspecting Pavement MarkingsMarkings

Inspecting Work Zone Inspecting Work Zone Signs and SupportsSigns and Supports

Inspecting Temporary Inspecting Temporary Traffic Control DevicesTraffic Control Devices

Miscellaneous MOT IssuesMiscellaneous MOT Issues

Inspecting Inspecting Pavement Pavement MarkingsMarkings

Inspecting Pavement Inspecting Pavement MarkingsMarkings

Test pavement markingsTest pavement markings– RetroreflectivityRetroreflectivity– Thickness (Thermo)Thickness (Thermo)

Inspecting Pavement Inspecting Pavement MarkingsMarkings

Florida Sampling and Testing Method FM 5-Florida Sampling and Testing Method FM 5-541541

Located on State Materials Office website::

Link to FSTM'sLink to FSTM's

– RetroreflectivityAverage of 3 retroreflectivity measurementsOne at the beginning, middle, and end of each one mile section.Take in the direction of travel.

– Thickness (Thermo)Take average of 3 location measurement (avg. of 3 dial Take average of 3 location measurement (avg. of 3 dial gauges) at the beginning, middle, and end of each one gauges) at the beginning, middle, and end of each one mile section of line type (i.e. color, solid, skip).mile section of line type (i.e. color, solid, skip).

Inspecting Inspecting PaintedPainted Pavement MarkingsPavement Markings

Specifications 710-4.3Specifications 710-4.3– Retroreflectivity (Initial)Retroreflectivity (Initial)

300 white300 white

250 yellow250 yellow– Minimum retroreflectivityMinimum retroreflectivity

150 for both white and yellow150 for both white and yellow– Contractor to submit certification for Contractor to submit certification for

retroreflectivity but FDOT has 3 days from retroreflectivity but FDOT has 3 days from receipt of the certification to verify that it receipt of the certification to verify that it meets initial valuesmeets initial values

Put copy of Retroreflectivity form herePut copy of Retroreflectivity form here

Form number 700-050-70

http://formserver.dot.state.fl.us/capture/listings/FormListing.aspx?ListType=FormNumber

Inspecting ThermoplasticThermoplastic Pavement MarkingsPavement Markings

Specifications 711-4.3Specifications 711-4.3 - Retroreflectivity – Standard Double Drop Thermo- Retroreflectivity – Standard Double Drop Thermo

450 white450 white

350 yellow350 yellow– 180 days observation period– Contractor submits certification for retroreflectivityContractor submits certification for retroreflectivity

Inspecting Inspecting ThermoplasticThermoplastic Pavement MarkingsPavement Markings

Thickness – Standard Double Drop ThermoThickness – Standard Double Drop ThermoMinimum: 100 mils or 0.100 inchesMinimum: 100 mils or 0.100 inches

Maximum: 150 mils or 0.150 inchesMaximum: 150 mils or 0.150 inches


Audible/Vibratory Markings– RetroreflectivityRetroreflectivity

300 – white and 250 - yellow300 – white and 250 - yellow

– ThicknessThicknessBase Line: 79 to 120 milsBase Line: 79 to 120 mils

Requires transverse bar/bump/cookie – min height Requires transverse bar/bump/cookie – min height 0.45 inches or 450 mils, including base line0.45 inches or 450 mils, including base line

Thermo Cookie Thermo Bump


Wet Weather MarkingsWet Weather Markings– Retroreflectivity

300 – white, 250 – yellow

– Thickness MeasurementsThickness MeasurementsProfile Marking: 155 mils min. for profile height at Profile Marking: 155 mils min. for profile height at one inch on center, base line of 35 to 50 mils heightone inch on center, base line of 35 to 50 mils height

Flat line – 100 to 150 mils thicknessFlat line – 100 to 150 mils thickness

Profile MarkingWet Reflective Elements in flat line

Inspecting Inspecting Work Zone SignsWork Zone Signs

Work Zone SignsWork Zone Signs

Sign supports in compliance with:Sign supports in compliance with: – Vendor drawing on QPLVendor drawing on QPL

http://www.dot.state.fl.us/specificationsoffice/http://www.dot.state.fl.us/specificationsoffice/ProductEvaluation/QPL/QPLMOTIndex.shtmProductEvaluation/QPL/QPLMOTIndex.shtm

– Design Standards - 600 SeriesDesign Standards - 600 Serieshttp://www.dot.state.fl.us/rddesign/rd/rtds/http://www.dot.state.fl.us/rddesign/rd/rtds/10/2010Standards.shtm10/2010Standards.shtm

– Specs – Section 102Specs – Section 102http://www2.dot.state.fl.us/SpecificationsEstimates/http://www2.dot.state.fl.us/SpecificationsEstimates/Implemented/2010Bk/2010Bk.aspxImplemented/2010Bk/2010Bk.aspx


QPL # labeled on sign QPL # labeled on sign supportsupport


Verify work zone sign supports are on QPL Verify work zone sign supports are on QPL

QPL Website: QPL Website: http://www.dot.state.fl.us/specificationsoffice/Prodhttp://www.dot.state.fl.us/specificationsoffice/ProductEvaluation/QPL/QPLMOTIndex.shtmuctEvaluation/QPL/QPLMOTIndex.shtm


Verify sign supports are Verify sign supports are installed in accordance installed in accordance with the Vendor with the Vendor Drawings on QPLDrawings on QPL


Verify Sheeting RetroreflectivityVerify Sheeting RetroreflectivitySpecifications 994-5Specifications 994-5

– ASTM-4956ASTM-4956– 80% of values in table80% of values in table

Specifications 102-9Specifications 102-9– ATSSA Quality Guidelines for Temporary ATSSA Quality Guidelines for Temporary

Traffic Control Devices and FeaturesTraffic Control Devices and Features

Work Zone SignsWork Zone SignsDesign Standard Index #600, Sheet Design Standard Index #600, Sheet 66


Number of u-channel Posts of u-channel Posts depends on on Sign SizeSign Size

1 u-channel

2 u-channels

3 u-channels


Foundation Depth depends on post size:

• 4 feet for 3 lb/ft • 4.5 feet for 4 lb/ft

Clear heightClear height depends on depends on Post size: :

• 3 lb/ft up to 10 feet clear height3 lb/ft up to 10 feet clear height• 4lb/ft up to 12 feet clear height4lb/ft up to 12 feet clear height

Exceptions: • Foundation depth in rock• Soil plate not required in

rock, asphalt and shoulder pavement, and sidewalk.


10 f

eet

for

3 lb

/ft

12 f

eet

for

4 lb

/ft

Clear Height

Ground line Ground line at at

centerline of centerline of

signsign

Bottom of Sign

Work Zone SignsWork Zone SignsMounting height

Bottom of Sign

Measured from a line projected from theedge of travel wayelevation

7 fe

et m

in

Work Zone SignsWork Zone SignsSpliced Post Mounted SupportsPost Mounted Supports

Stub HeightStub Height– Design Std - Maximum Stub height is 4 inchesDesign Std - Maximum Stub height is 4 inches– Vendor Drawing allows Vendor Drawing allows 0 to 4 inches from existing ground (cannot be

below ground)Stub Height > 4”

WRONG

Design Standards, Index 600, Sheet 6


Top Bolt Top Bolt – 1 inch minimum from top of stub or cutting edge1 inch minimum from top of stub or cutting edge

Design Standards, Index 600, Sheet 6

Minimum 1 inch


Vendor Drawings requireVendor Drawings require– Base Post in Front (traffic approaching)Base Post in Front (traffic approaching)– Sign Post in BackSign Post in Back

Sign Post

Base Post


Splice overlapSplice overlap– Vendor Drawings Vendor Drawings

require 6 inches for require 6 inches for both typesboth types

Minimum 6 inches overlap


Bolt SpacingBolt Spacing– Vendor Drawings require Vendor Drawings require

4 inches for both types4 inches for both types

Bolts spacing should be 4”

WRONG


Same size posts for spliceSame size posts for splice– Vendor Drawings require Vendor Drawings require

base post and sign post base post and sign post to be the same size.to be the same size.

WRONG


3 #/ft4 #/ft

Post mounted Work Zone Sign SupportsPost mounted Work Zone Sign Supports

- Nucor Marion- Nucor Marion Rib back


Franklin

Post mounted Work Zone Sign Post mounted Work Zone Sign SupportsSupports– FranklinFranklin

Work Zone Sign SupportsWork Zone Sign SupportsNucor Marion soil plateNucor Marion soil plate

Work Zone Sign SupportsWork Zone Sign SupportsFranklin soil plateFranklin soil plate

Franklin

Work Zone Sign SupportsWork Zone Sign SupportsNucor Marion splice detail - connectorsNucor Marion splice detail - connectors

Work Zone Sign SupportsWork Zone Sign SupportsFranklin splice detail - connectorsFranklin splice detail - connectors

Franklin

Work Zone Sign SupportsWork Zone Sign SupportsThe project The project information information sign shall be sign shall be used when used when called for in called for in the plansthe plans

4 #/ft 4 #/ft splicedspliced posts posts requiredrequired


Portable sign supports Portable sign supports do do notnot require light or require light or flagflag

Inspecting Inspecting Temporary Temporary

Traffic Control Traffic Control DevicesDevices

Temporary Traffic Control Temporary Traffic Control DevicesDevices

Sheeting RetroreflectivitySheeting Retroreflectivity

QPL # on device and lightQPL # on device and light

Temporary Traffic Control Temporary Traffic Control DevicesDevices

Qualified Products List contains many productsQualified Products List contains many products– Pavement Markings – Paint, Thermo, RPMs, etc.Pavement Markings – Paint, Thermo, RPMs, etc.– Traffic Control Devices – Barricades, Drums, Warning Traffic Control Devices – Barricades, Drums, Warning

Lights, CMS, etc.Lights, CMS, etc.– Work zone sign supports – effective July 2007Work zone sign supports – effective July 2007

Temporary Traffic Control DevicesTemporary Traffic Control DevicesQPL Alleged DeficiencyQPL Alleged Deficiency

Form # 630-020-01Form # 630-020-01

Miscellaneous Miscellaneous MOT MOT IssuesIssues

High Visibility Safety ApparelHigh Visibility Safety ApparelIndex 600, Sheet 4Index 600, Sheet 4

High Visibility Safety High Visibility Safety ApparelApparel

All workers within Right-of-Way shall wear: ANSI/ISEA 107-2004 Class 2 Apparel Orange or Yellow/Green in Color

All flaggers within Right-of-Way shall wear: Daytime - ANSI/ISEA 107-2004 Class 2

Apparel Nighttime - ANSI/ISEA 107-2004 Class 3

ApparelOrange or Yellow/Green in Color

24 foot roadway – includes stripes

Placement of Stripe

Placement of Stripe – Index 600

5” 11’7” 12’ 11’7” 5”Striping layout for 3 – 12’ lanes:5”, 11’7”, 12’, 11’7”, 5” = 36’

Index 518Index 518

Placement of Stripe

Placement of Stripe – 11’7” from Placement of Stripe – 11’7” from center to center of stripescenter to center of stripes

2” 2+3=5” to center

11’7”

6 inch stripe

Placement of Stripe

2”

Center to Center will be 11’7”Center to Center will be 11’7”

Placement of Stripe

Questions?Questions?

Contact Contact Stefanie D. Maxwell, P.E.Stefanie D. Maxwell, P.E.

[email protected]@dot.state.fl.uss

(850) 414-4314(850) 414-4314

Stefanie’s Hwy

Next Exit

welcome to inspecting maintenance of traffic items on projects presented by: stefanie d. maxwell,...

Documents