LOW PROFILE BARRIER 412 1 FDOT DESIGN STANDARDS

1.
The ’Portable Temporary Low Profile Barrier For Roadside Safety’is a licensed design by
the University Of Florida. Any infringementon the rights of the designer shallbe the
sole responsibility of the user.
2.
This standard drawing (Index No.412) is provided by the Florida DepartmentOf
Transportation solely for use by the Departmentand its assignees. The purpose for this
standard drawing is to indicate the approvalof use of the barrier on the State Highway
System;to provide sufficientpictorials for identifying the barrier unit;and,to provide
generalinstallation geometry for the barrier.
3.
Only those barrier units castby producers licensed by the University Of Florida willbe
allowed for installation on the State Highway System in Florida. Barrier wallunits shall
conform to Section 521 of the Standard Specification and shallbe produced in Department
approved plants with quality controlplans for precasting concrete barrier walls. Each
barrier wallunit shallbe permanently marked with an identification that is traceable to
the manufacturer,the producing precastconcrete plantand the date of production. This
permanentidentification mark willserve as certification that the unit has been
manufactured in accordance with University of Florida drawings and specifications,and
the approved quality controlprogram.
4.
The low profile barrier is to be installed only with hardware and accessories furnished
by the licensed barrier producer. Units shallbe used for no purpose other than as
interconnected segments in a run of barrier. Low profile barrier wallunits shallmaintain
firm contactwith adjoining units. Nuts on tensioning rods shallbe installed snug tight.
5.
The low profile barrier is applicable for work zone speeds of 45 mph or less.
6.
Tubular markers shallbe installed along the run of barrier at the ends and at 50’centers
on tangents and 25’centers on radii. The markers shallbe fixed to the top of the barrier
by an adhesive or other method approved by the engineer. Approach end units shallbe
marked with a Type I object marker. The cost of the tubular markers and Type I object
marker shallbe included in the cost of the low profile barrier.
7.
Information regarding licensing,shop drawings,specifications,quality controland
certification of compliance can be obtained from the University Of Florida: Office of
Technology Licensing,P.O.Box 115500,Gainesville,Florida,32611-5500. Telephone:
352-392-8929, Fax:352-392-6600. Reference UF#11052.
8.
The Portable Temporary Low Profile Barrier For Roadside Safety shallbe paid for under
the contract unit price for Barrier Wall(Temporary)Low Profile Concrete,LF,and willbe
fullcompensation for furnishing,installing,maintaining and removing barrier wall.
2"
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GENERAL NOTES
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12
’
-0
"
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Un
i
t
10:
03:
30 AM
"
b
-8
4’
6/28/2012
BACKSIDE AND END PICTORIAL VIEWS
LAST
REVISION
01/01/12
REVISIO N
PORTABLE TEMPORARY LOW PROFILE BARRIER FOR ROADSIDE SAFETY
DESCRIPTION:
INDEX
FDOT DESIGN STANDARDS
2013
LOW PROFILE BARRIER
NO.
412
SHEET
NO.
1
1’
-6"
Traffic Face
1’
-6"
2’-3"
Traffic Face
Traffic Face
1"
BEVELED FACE MALE END
FLAT FACE FEMALE END
CONCAVE CONNECTION
2’-3"
1"
Beveled Washer
END VIEWS
Traffic Face
WORK POSTED
SPEED
OFFSET TO
TRAVELWAY
DEFLECTION
SPACE
45 MPH
OR LESS
1’ MIN,
2’ PREFERRED
Notes:
Clear Zone (CZ)
Edge Of Travel Way
LIMITATION OF USE: This installation technique
can only be used on flexible or rigid pavement
or on an asphalt pad as shown.
X
9"
1’-2’
*
A
D
B
* Minimum 9" on 1:10 or flatter slopes for
’Portable Temporary Low Profile Barrier
Portable Temporary Low Profile
Barrier For Roadside Safety
For Roadside Safety.’ For values A, B,
PARALLEL CONNECTION
D and X see Index No. 600.
DEFLECTION SPACE AT DROPOFFS
Varies
Traffic Face
Approach Traffic
Edge Of Traffic Lane
6’Offset
Tangent Extension
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Flexible or Rigid Pavement or Asphalt Pad
ASPHALT PAD: Where exisiting pavement is not
present, construct the Asphalt Pad using
Miscellaneous Asphalt Pavement in accordance
with Specification Section 339 with the exception
that the use of a pre-emergent herbicide is not
required. No separate payment will be made for
the Asphalt Pad.
Beveled Washer
Height To Bottom Of
Type 1 Object Marker
Is 18"
10:
03:
33 AM
CONVEX CONNECTION
PLAN VIEW OF APPROACH END OFFSET
6/28/2012
PLAN VIEWS OF CONNECTIONS
LAST
REVISION
01/01/12
REVISIO N
PORTABLE TEMPORARY LOW PROFILE BARRIER FOR ROADSIDE SAFETY
DESCRIPTION:
INDEX
FDOT DESIGN STANDARDS
2013
LOW PROFILE BARRIER
NO.
412
SHEET
NO.
2
in)
(M
)
’
37
.
(67
’R
67
See Inset A
TRAFFIC SIDE
Inset A
C:
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dgn
66
’R
(M
in.
)
CONVEX CURVATURE
Inset B
TRAFFIC SIDE
See Inset B
10:
03:
35 AM
rd960rh
CONCAVE CURVATURE
6/28/2012
»¿MAXIMUM CURVATURE MINIMUM R
LAST
REVISION
07/01/05
REVISIO N
PORTABLE TEMPORARY LOW PROFILE BARRIER FOR ROADSIDE SAFETY
DESCRIPTION:
INDEX
FDOT DESIGN STANDARDS
2013
LOW PROFILE BARRIER
NO.
412
SHEET
NO.
3
w+58’ (Min.)
Approach Traffic
23’
’
6
6’
Edge Of Traveled Way
67’
R
6’
67’R
R
*
Work Area
Driveway
Work Area
Width (w)
w+62’ (Min.)
Approach Traffic
31’
67’
R
10
’
R
7’-9"
*
Work Area
67’R
n.
Mi
6’
r.
ea
Cl
6’
Edge Of Traveled Way
Driveway
Work Area
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Width (w)
w+70’ (Min.)
Approach Traffic
35’
67’
R
Work Area
*
Driveway
67’R
15
’R
11’-7"
n.
Mi
6’
r.
ea
Cl
6’
Edge Of Traveled Way
Work Area
Width (w)
* Trailing End Flares Are Not Required When Barrier
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Located Outside The Clear Zone Of Opposing Traffic
Type I Object Marker To Be Installed When Trailing End
10:
03:
37 AM
Flare Falls Within The Clear Zone Of Opposing Traffic
LEGEND
BARRIER OPENINGS AT DRIVEWAYS
6/28/2012
Type I Object Marker
LAST
REVISION
01/01/12
REVISIO N
PORTABLE TEMPORARY LOW PROFILE BARRIER FOR ROADSIDE SAFETY
DESCRIPTION:
INDEX
FDOT DESIGN STANDARDS
2013
LOW PROFILE BARRIER
NO.
412
SHEET
NO.
4
w+86’ (Min.)
Approach Traffic
43’
Edge Of Traveled Way
6’
67’
R
Driveway
Width (w)
*
67’R
n.
Mi
6’
r.
ea
Cl
20’
Work Area
2
5
’
R
Work Area
w+130’ (Min.)
Approach Traffic
65’
Edge Of Traveled Way
6’
67’
R
C:
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dgn
Driveway
67’R
n.
Mi
6’
r.
ea
Cl
42’
Work Area
Work Area
Width (w)
*
5
0
’
R
* Trailing End Flares Are Not Required When Barrier
Located Outside The Clear Zone Of Opposing Traffic
Type I Object Marker To Be Installed When Trailing End
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Flare Falls Within The Clear Zone Of Opposing Traffic
LEGEND
10:
03:
39 AM
Type I Object Marker
6/28/2012
BARRIER OPENINGS AT DRIVEWAYS
LAST
REVISION
01/01/12
REVISIO N
PORTABLE TEMPORARY LOW PROFILE BARRIER FOR ROADSIDE SAFETY
DESCRIPTION:
INDEX
FDOT DESIGN STANDARDS
2013
LOW PROFILE BARRIER
NO.
412
SHEET
NO.
5