CR393_Northbound_Right_Turn_Lane.pdf
PDF 330 KB Posted
- Attached to
- CR393 South Northbound Right Turn Lane
- Solicitation number
- 26-11
- Issued by
- Walton County, Florida
About this file
This is a typical section drawing file for Walton County, Florida's County Road 393 Northbound Right Turn Lane construction project, prepared by HALFF engineering firm under the direction of P.E. Aaron Harrison (License #87629). The project involves the construction of a northbound right-turn lane at the intersection of U.S. Highway 98 and County Road 393 in Santa Rosa Beach, Florida, encompassing approximately 250 linear feet of new pavement within the existing county right-of-way. The scope includes drainage enhancements, site clearing and grubbing, and installation of approximately 30 linear feet of retaining wall. The contract duration is 120 days to substantial completion, with an additional 30 days allocated for punch list completion. The design incorporates a 40 mph design speed (35 mph posted) with a 6-foot clear zone, and typical sections span multiple stations including STA. 1+02.13 through STA. 3+52.64.
The construction specifications detail asphalt pavement work consisting of 1.5-inch SP 9.5 surface course (Traffic B) and 2-inch SP 12.5 structural course (Traffic B), with optional base groups 9, 11, and 14 utilizing 14 inches of graded aggregate base. Additional work includes placement of 2-foot FDOT Type F curb and gutter, performance turf sod installation, rip rap over D-2 filter fabric for erosion control, and cantilever concrete retaining wall construction. The plans specify that all final surface asphalt shall be placed using a material transfer vehicle, all testing shall comply with FDOT standards (latest edition), static compaction only shall be used, and all milled asphalt is property of the Walton County Road Department to be delivered to 376 State Road 65 North, Eastpoint, Florida. The document is digitally signed and sealed under Rule 61G15-23.004 with a revision date of March 26, 2026.
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Text version
145' - R/W
℄ CONSTRUCTION
R /W
L
IN
E
R /W
LIN
E
3:1
2:1
-2.0%
EXISTING ROADWAY
±35.5' EXISTING ROADWAY
REMOVE
EXIST.
4'
ASPHALT
SHOULDER
TYPICAL SECTION
CR 393
STA. 1+02.13 - STA. 2+85.76
NEW CONSTRUCTION - WIDENING
1.5" SP 9.5 SURFACE COURSE (TRAFFIC B)
2" SP 12.5 STRUCTURAL COURSE (TRAFFIC B)
OPTIONAL BASE GROUP 14
OPTIONAL BASE GROUP 11
(14" GRADED AGGREGATE BASE (GAB))
1.5" SP 9.5
SURFACE COURSE
2" SP 12.5
STRUCTURAL COURSE
10'
WIDENING±18' EXISTING PAVEMENT±17.5' EXISTING PAVEMENT 2' FDOT TYPE F
CURB & GUTTER
SAWCUT
VARIES
(PERFORMANCE TURF - SOD)
10'
PERFORMANCE TURF
- SOD)
VARIES
(PERFORMANCE TURF
- SOD)
VARIES
(RIP RAP OVER D-2 FILTER FABRIC)
145' - R/W
℄ CONSTRUCTION
R /W
L
IN
E
R /W
LIN
E
-2.0%
EXISTING ROADWAY
±35.5' EXISTING ROADWAY
REMOVE
EXIST.
4'
ASPHALT
SHOULDER
MATCH EX.MATCH EX.
1.5" SP 9.5
SURFACE COURSE
OPTIONAL BASE GROUP 11
(14" GRADED AGGREGATE BASE (GAB))
2" SP 12.5
STRUCTURAL
COURSE
10'
WIDENING±18' RESURFACE±18 RESURFACE
SAWCUT
2'
FDOT TYPE F CURB & GUTTER
EXISTING GROUND
CANTILEVER CONCRETE
RETAINING WALL
2.0%
2.5'
RESURFACE
1.5" SP 9.5 SURFACE COURSE (TRAFFIC B)
NEW CONSTRUCTION - WIDENING
1.5" SP 9.5 SURFACE COURSE (TRAFFIC B)
2" SP 12.5 STRUCTURAL COURSE (TRAFFIC B)
OPTIONAL BASE GROUP 14
TYPICAL SECTION
CR 393
STA. 3+17.32 - STA. 3+52.64
3:1
2:1
10'
PERFORMANCE TURF
- SOD)
VARIES
(PERFORMANCE TURF
- SOD)
2'
2'
ALABAMA CLASS 2 RIP RAP
OVER D-2 FILTER FABRIC
(24" THICK)
1.5" SP 9.5
SURFACE
COURSE
GUARDRAIL
TH
E O
F F
IC
IA
L
R E C
OR
D O
F T
H
IS
S H E E T
IS
T
H E E
LE
C
TR
ON
IC
F
IL
E D
IG
IT
AL
LY
S
IG
N E D A
N D S
E
AL
E D U
N D E R R
U
LE
1G
-2
3.
4‚ F
.A .C
DESCRIPTIONDATE DESCRIPTION DATE
REVISIONS
SHEET
NO.
A:\47000s\47155\009\PW\CADD\Roadway\TYPSRD02.dwg
3/26/2026
1 - ADDENDUM 1
PROJECT
WALTON COUNTY
CR 393 NORTHBOUND
RIGHT TURN LANE
TYPICAL SECTIONS
AARON HARRISON , P.E.
P.E. LICENSE NUMBER 87629
HALFF
130 N. RICHARD JACKSON BLVE., SUITE 103
PNAMA CITY BEACH , FL 32407
CERTIFICATE OF AUTHORIZATION 33380
3/16/2026
TRAFFIC DATA
DESIGN SPEED - 40 MPH, 35 MPH
POSTED SPEED - 30 MPH, 25 MPH
CLEAR ZONE - 6'
NOTES:
1. ALL FINAL SURFACE ASPHALT SHALL BE
PLACED WITH THE USE OF A MATERIAL
TRANSFER VEHICLE.
2. ALL TESTING SHALL BE IN ACCORDANCE
WITH FDOT STANDARDS AND
SPECIFICATIONS. (LATEST EDITION)
3. CLEAR ZONE FOR THIS PROJECT IS 6'.
THE DESIGN CLEAR ZONE DOES NOT
APPLY FOR CLEAR ZONE WIDTHS FOR
WORK ZONES.
4. USE STATIC COMPACTION ONLY.
5. ALL MILLED ASPHALT IS THE PROPERTY
OF THE COUNTY ROAD DEPARTMENT AND
SHALL BE DELIVERED TO 376 STATE
ROAD 65 NORTH, EASTPOINT, FLORIDA.
NOTE:
AFTER THE SUITABLE MATERIAL AND BASE HAVE BEEN COMPLETED, SAW CUT TWO FEET
OF EXISTING ASPHALT, THEN PROCEED WITH NEW ASPHALT.
SAW CUT
EX. ASPHALT
OPTIONAL BASE GROUP 9
SUITABLE MATERIAL COMPACTED
IN 6" LIFTS TO 98% MAX. DENSITY
AS PER AASHTO T-180
ROUGH SAW CUT SECTION
3" TYPE SP 9.5
SAW CUT
EX. ASPHALT
OPTIONAL BASE GROUP 9
SUITABLE MATERIAL COMPACTED
IN 6" LIFTS TO 98% MAX. DENSITY
AS PER AASHTO T-180
FINAL SAW CUT SECTION
ASPHALT PATCH DETAIL
(AFTER STABILIZER AND BASE HAVE BEEN COMPLETED)
N.T.S.
1' MIN.
VARIES
(PERFORMANCE TURF - SOD)
145' - R/W
℄ CONSTRUCTION
R /W
L
IN
E
R /W
LIN
E
3:1 -2.0%
EXISTING ROADWAY
±35.5' EXISTING ROADWAY
REMOVE
EXIST.
4'
ASPHALT
SHOULDER
RESURFACE
1.5" SP 9.5 SURFACE COURSE (TRAFFIC B)
NEW CONSTRUCTION - WIDENING
1.5" SP 9.5 SURFACE COURSE (TRAFFIC B)
2" SP 12.5 STRUCTURAL COURSE (TRAFFIC B)
OPTIONAL BASE GROUP 14
MATCH EX.MATCH EX.
1.5" SP 9.5
SURFACE COURSE
OPTIONAL BASE GROUP 11
(GRADED AGGREGATE BASE (GAB))
1.5" SP 9.5
SURFACE COURSE
2" SP 12.5
STRUCTURAL COURSE
10'
WIDENING±18' RESURFACE±17.5' RESURFACE
SAWCUT
TYPICAL SECTION
CR 393
STA. 2+85.76 - STA. 3+17.32
2' FDOT TYPE F
CURB & GUTTER
TH
E O
F F
IC
IA
L
R E C
OR
D O
F T
H
IS
S H E E T
IS
T
H E E
LE
C
TR
ON
IC
F
IL
E D
IG
IT
AL
LY
S
IG
N E D A
N D S
E
AL
E D U
N D E R R
U
LE
1G
-2
3.
4‚ F
.A .C
DESCRIPTIONDATE DESCRIPTION DATE
REVISIONS
SHEET
NO.
A:\47000s\47155\009\PW\CADD\Roadway\TYPSRD02.dwg
PROJECT
WALTON COUNTY
CR 393 NORTHBOUND
RIGHT TURN LANE
TYPICAL SECTIONS
AARON HARRISON , P.E.
P.E. LICENSE NUMBER 87629
HALFF
130 N. RICHARD JACKSON BLVD.
PANAMA CITY BEACH , FL 32407
CERTIFICATE OF AUTHORIZATION 33380
3/26/2026 1 - ADDENDUM 1
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