2-RFP 26-111 MID BROADWELL CULVERT SIDEWALK CONSTR. PLANS.pdf
PDF 13 MB Posted
- Attached to
- MID BROADWELL CULVERT & SIDEWALK CONSTRUCTION
- Solicitation number
- 26-111
- Issued by
- Fulton County, Georgia
About this file
This file contains construction plans prepared by the Fulton County Department of Public Works for the City of Alpharetta, Georgia, detailing the design specifications for a culvert and headwall project along Mid Broadwell Road over Foe Killer Creek Tributary (Project No. 22-1006). The plans specify the construction of a 96-inch diameter reinforced concrete pipe (RCP) culvert with 24-inch diameter RCP outlets, including downstream and upstream headwalls with aprons and wingwalls. The project requires Class A concrete reinforced with #4 steel bars at 12-inch on-center spacing, with specific elevation requirements, invert grades, and geotextile fabric specifications per GDOT standards. Both the downstream and upstream headwall sections require approximately 27 cubic yards of concrete reinforcement, with detailed cross-sectional views (Sections A-A, B-B, and C-C) providing precise dimensional specifications including headwall elevations of 17 feet-6 inches, apron openings of 37 feet-6 inches, and minimum clearances of 2 feet-6 inches. The plans were prepared in June 2025 and approved for contractor review and implementation.
The contract specifications indicate that reinforcing steel fabrication costs are included in the base item 500-3800 for headwalls, aprons, and wingwalls, while geotextile fabric costs are incidental to pay item 207-0203 per specification 207. Contractors are required to submit shop drawings of all reinforcing steel for review and approval prior to fabrication. The project involves coordination with field conditions for outlet pipe locations, and all materials and construction must comply with GDOT specifications, including the use of non-woven geotextile fabric for pipe bedding and apron protection with a minimum 2-foot width.
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Text version
17'-6" HEADWALL
37'-6"p APRON OPENING
96"
DIA
. RCP
RCP
24"
45°-00'-00"60°-00'-00"
75°-47'-49.4"
IE 1036.69
IE 1041.34
10"
8"
5"
12"
12"
6"
SECTION A-A
A
B
B
SECTION B-B
CC
25.63' RT
STA. 1 19+71.61
DOWNSTREAM PLAN
DOWNSTREAM ELEVATION
MIN
. CLR.
2'-6
F L
O W
TOP OF HEADWALL
EL. 1046.17
EL. 1033.86
SECTION C-C
THRU WINGS AND HEADWALL
RAKED SURFACE CONST. JT.
D
5", TYP.
NO SCALE
VARIES
38'-9⅞"
1 1'-3⅜"
6'-2⅝"
2-#4 BARS
2-#4 BARS#4 BARS 12" O.C. EA. WAY
EA. WAY, E.F.
#4 AT 12" O.C.
RAKED SURFACE CONST. JT.
401 BARS
8'-0"
401 BAR
1'-8"
EA. WAY, E.F.
#4 AT 12" O.C.
#4 E.F.
EA. WAY, E.F.
#4 AT 12" O.C.
BOTH FACES
45° #4 BARS,
S E
E E
L E
V A
T
IO
N V
IE
W
V A
R
IE
S
WALL
10"
T Y
P
M
IN
L
P
DESIGNED
DRAWN DESIGN GROUP
CHECKED REVIEWED
APPROVED
R E
V
IS
IO
N
S D
A T
E
1 INCH WHEN PRINTED FULL SIZE 241151_38.dgn
RSC
FULTON COUNTY
DEPARTMENT OF PUBLIC WORKS
CITY OF ALPHARETTA
24-1 151
DOWNSTREAM HEADWALL
SCALE: ⅜" = 1'-0" U.N.O.
MID BROADWELL RD OVER
FOE KILLER CREEK TRIBUTARY
DRAWING NO.
BRIDGE SHEET
B Y etoombs 12:04:38 PM8/8/2025
P.I. NO.
22-1006
CULVERT NO. 1
JUNE 2025
EMT
EMT1 OF 2
38-0001
NOTE: CUT HEADWALL REINF. TO MAINTAIN 2" CLR. AROUND PIPE
TYP.
2" CLR.,
TYP.
EL. 1041.5
PROPOSED GROUND
EL. 1038.29
NOTE: PIPE INVERT 20% BURIED
D 1
D 2
D 1
D 2
401 BAR, TYP.
FACE
FRONT
FACE
REAR
3" CLR.
2" CLR.
FABRIC PER GDOT 881.2.05 (SEE NOTE 4).
WRAPPED WITH NON-WOVEN GEOTEXTILE
UNDER 96" RCP AND APRON, FULLY
2'-0" MIN. TYPE w FDN. BACKFILL MATERIAL
NOTES:
CY FOR PAY ITEM 207-0203.
IS INCIDENTAL TO THE PRICE BID PER
SPEC 207. COST OF GEOTEXTILE FABRIC
MEASURED AND PAID FOR PER GDOT
TYPE w FDN BACKFILL MATERIAL IS
FABRICATION.
FOR REVIEW AND APPROVAL PRIOR TO
DRAWINGS OF ALL REINFORCING STEEL
CONTRACTOR SHALL SUBMIT SHOP
DOWNSTREAM QUANTITY = 27 CY
REINFORCING STEEL.
CLASS A CONCRETE, INCLUDING
SHOWN INCLUDED IN ITEM 500-3800,
HEADWALLS, APRONS, AND WINGWALLS AS
INFORMATION ONLY. PAYMENT FOR
REINFORCING STEEL SHOWN FOR
= 24"
= 96"
O.C. DENOTES ON CENTER
E.F. DENOTES EACH FACE
IE DENOTES PIPE INVERT ELEVATION
4.
3.
2.
1.
D2
D1
B
B
10" APRON
SEE SECTION B-B
IN THIS AREA.
VERTICAL BARS
BETWEEN REAR FACE
ADD 401 BAR
IE 1040.0
18" DIA. RCP
** COORDINATE LOCATION OF OUTLET IN FIELD
** COORDINATE LOCATION OF OUTLET IN FIELD
IE 1037.79
IE 1042.44
96"
. RCP
CLR.
2'-6
RCP
24"
45°-00'-00"60°-00'-00"
75°-47'-49.4" A
B
B
CC
26.91' LT
STA. 1 19+57.83
UPSTREAM PLAN
UPSTREAM ELEVATION
F L
O W
38'-9⅞"
TOP OF HEADWALL
EL. 1047.27
EL. 1034.96
1 1'-6"
6'-0"
DESIGNED
DRAWN DESIGN GROUP
CHECKED REVIEWED
APPROVED
R E
V
IS
IO
N
S D
A T
E
1 INCH WHEN PRINTED FULL SIZE 241151_38.dgn
RSC
FULTON COUNTY
DEPARTMENT OF PUBLIC WORKS
CITY OF ALPHARETTA
24-1 151
UPSTREAM HEADWALL
SCALE: ⅜" = 1'-0" U.N.O.
MID BROADWELL RD OVER
FOE KILLER CREEK TRIBUTARY
DRAWING NO.
BRIDGE SHEET
B Y etoombs 11:21:38 AM8/8/2025
P.I. NO.
22-1006
CULVERT NO. 1
JUNE 2025
EMT
EMT2 OF 2
38-0002
EL. 1039.38*
NOTE: PIPE INVERT 20% BURIED
PROPOSED GROUND
TYP.
EL. 1042.00
D 1
D 2
NOTES:
38-0001.
A-A, B-B, AND C-C SHOWN ON DWG.
FOR ADDITIONAL DETAILS, SEE SECTIONS
FABRICATION.
FOR REVIEW AND APPROVAL PRIOR TO
DRAWINGS OF ALL REINFORCING STEEL
CONTRACTOR SHALL SUBMIT SHOP
UPSTREAM QUANTITY = 27 CY
REINFORCING STEEL.
CLASS A CONCRETE, INCLUDING
SHOWN INCLUDED IN ITEM 500-3800,
HEADWALLS, APRONS, AND WINGWALLS AS
INFORMATION ONLY. PAYMENT FOR
REINFORCING STEEL SHOWN FOR
= 24"
= 96"
O.C. DENOTES ON CENTER
E.F. DENOTES EACH FACE
IE DENOTES PIPE INVERT ELEVATION
4.
3.
2.
1.
D2
D1
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