Work Zone

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(No Transcript)
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Work Zone Sign Support Design in accordance
with 2001 AASHTO Standard Specifications
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http//www.dot.state.fl.us/rddesign/DesignStandard
s/Standards.htm
July 2007 to July 2008 Standards
Modifications Interim Index
July 2008 2008 Design Standards
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New IndexEffective Date July 2007
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GENERAL NOTES All signs shall be post mounted
when work operations exceed one day except as
noted in the standards.
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New IndexEffective Date July 2007
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TEMPORARY SIGN SUPPORT NOTES 1. Signs mounted
on temporary supports or barricades, and
barricade/sign combination shall be
crashworthy in accordance with NCHRP-350
requirements and included on the Qualified
Products List (QPL).
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Crashworthy ???
NCHRP-350 Approved Listed on the Q P L
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New IndexEffective Date July 2007
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Post Mounted Sign Notes

• On the QPL
• Sign Support System
• Post Only
• 3 lb/ft
• May be driven
• Post on Breakaway Splice
• 3 lb/ft
• May be on approved breakaway splice
• 4 lb/ft
• Shall be on approved breakaway splice

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Typical Splice Detail

• Must go to QPL Website to get all the details
  !!!!
• Each Manufacturer has different design that has
  been crash tested.

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Typical Splice Detail

• Top Bolt
• 1 Inch Min. From Top of Stub

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Typical Splice Detail

• Top Bolt
• 1 Inch Min. From Top of Stub

• Stub Height
• 4 Inch Max. From Existing Ground

• Most Common Alignment
• Base Post in Front
• (traffic approaching).
• Sign Post in Back

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New IndexEffective Date July 2007
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Mounting Height Min 7-0
Bottom of Sign
Edge of Travelway Elevation
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Clear Height Max.
Bottom of Sign
Ground line at Centerline of Sign
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Criteria

• Number of Post
• Sign Shape
• Sign Size

• Weight of Post
• 3 lb/ft up to 10 feet Clear Height
• 4 lb/ft up to 12 feet Clear Height

• Foundation Depth
• 4.5 feet for 3 lb/ft
• 5.0 feet for 4 lb/ft

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New IndexEffective Date July 2007
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Sign Attachment Detail
Front Side 5/16 Steel Hex Head Bolt And 5/16
Flat Washer
Back Side (not shown) 5/16 Steel Hex Nut And
5/16 Lock Washer
1 min. 6 max. (_at_ CL of Post)
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Check for Appropriate Message Correct Spacing
(Not Hidden) Retroreflective Clean
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Contacts
Stefanie Maxwell Construction 850-414-4314
Dongming White Structures Design 850-414-4308
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BS (Base/Sign) Work Zone Sign Support
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Specification Changes

• Implemented Modifications to the 2007 Standard
  Specifications For Lettings
• Effective - July 2007

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Worksite Traffic Supervisor
102-3.2

• Ensure that the Worksite Traffic Supervisor
  performs the following duties
• Is on site during all set up and take down, and
• performs a drive through inspection immediately
• after set up.

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Vehicle and Equipment Visibility
102-5.9

• Equip all pickups and automobiles used on the
• project with a minimum of one Class 2 amber or
• white warning light

Equip all other vehicles and equipment with a
minimum of 4 Sq. ft of reflective sheeting or
flashing lights.
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QPL Submittals
102-9

• Category 2 and 3 Devices
• QPL Submittals must include
• FHWA WZ numbered acceptance letter with
  attachments and vendor drawings

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Temporary Vehicular Impact Attenuator
102-13.12

• Payment for restoring damaged attenuators will be
  the
• manufacturers/distributors invoice price for
  the
• new materials/parts plus 20 markup. The 20
  markup is
• compensation for all necessary work, including
  but not
• limited to labor, equipment, supplies and profit,
  as
• authorized by the Engineer.

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