guide for preparing as-built plans for fema compliance
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7/12/16
In order to comply with the National Flood Insurance Program (NFIP) regulations administered by the Federal Emergency Management Agency (FEMA), the Department must provide sealed As–Built Construction Plans within six (6) months of structure completion, certifying that the major drainage structure(s) and associated roadway embankment that are located within the 100-year floodplain were built as shown in the construction plans, both horizontally and vertically.
The Hydraulics Unit is responsible for ensuring that the Department meets FEMA compliance by submitting the certified As-Built Plans for these major drainage structures. Projects requiring FEMA Certification will be identified in the Green Sheet Commitments (in the environmental document), and the Hydraulics Unit will submit a FEMA Certification Request for the affected structures. The appropriate sheets of the As-Built Plans requiring certification will have a title block for the certification as follows:
Certification consists of a professional licensed surveyor’s (PE) or professional engineer’s (PE) seal, signature, and date. In the absence of the title block, the certification consists of a PLS or PE seal, signature, and date with the following note placed above the seal: “I hereby certify these plans are the as-built plans.”
For BRIDGES, the Structure General Drawing Layout Sheet will contain the title block.
For CULVERTS, the following Culvert Plan Sheets will contain the title block: • The sheet showing the location sketch, plan, and profile along centerline of the culvert• The sheet showing the culvert section normal to the roadway and end elevation• The sheet showing the roadway profile in the area of the structure
The certification should be made upon completion of the work in the floodplain. All approach fills, unclassified structure excavation, bents, and superstructure members should be complete prior to making the certification. The certification should be made on the half-sized Structure General Drawing or Culvert Plan Sheets as noted above and submitted to the Hydraulics Unit at the following email address: NCDOT_Hydraulics_As-Built_Plans@ncdot.gov. It is preferred that the certification be transmitted electronically (PDF) via this email address; however, a hardcopy delivered through the mail to the Hydraulics Unit FEMA Coordinator is also acceptable.
I HERBY CERTIFY THESE PLANS ARE THE AS-BUILT PLANS
<PE or PLS Seal>
Guide for Preparing As-Built Plans for FEMA Compliance
LOCATION SKETCH
FOR UTILITY INFORMATION, SEE UTILITY PLANS AND SPECIAL PROVISIONS.
1" = 25’=0" (300)
PROFILE ALONG { CULVERT
F. A. PROJECT NO.�" * ANNOTATION TEXT: (TX=.010417 x BORDER SCALE)
WOODS
WOODS
NORTHNAD 83
TOWN BRANCH
STD. NO. CB12A
90° SKEW
CONCRETE BOX CULVERT
BARREL STANDARD
C-1
DRAWN BY :
CHECKED BY :
DATE :
DATE :
CHECKED BY :
DATE :
DATE :
ASSEMBLED BY :SPECIAL
STANDARDR.W. WRIGHT JULY. 1990
JULY. 1990D.A. GLADDEN
AD
DE
D
NO
V. 1, 19
90
DOUBLE 11 FT. X 8 FT.
ITEM)
(RDWY DETAIL & PAY
GEOTEXTILE FABRIC
CLASS I RIP RAP WITH
CHANNEL IMPROVEMENT
40 LF OF OUTLET
ITEM)
(RDWY DETAIL & PAY
GEOTEXTILE FABRIC
CLASS I RIP RAP WITH
CHANNEL IMPROVEMENT
40 LF OF INLET
-L-
STA. 31+84.50 -L-
FF
F
FF
FF
F
F
FRCBC
11’ x 8’
DOUBLE
(TAN. TO CURVE)
90°-00’-00"
67’-3"67’-3"
134’-6"
BENCH MARK #1 CHISELED SQUARE IN NW CORNER OF CONCRETE SIGN PAD: 627.97’ LT. OF STA 17+19.28 -L-, EL. 764.18
{ CULVERT
6’-9"
16’-8"50’-0"43’-10"16’-10"22’-2"50’-0"28’-5"
-L-
EL. 692.1|
EL. 691.9| EL. 692.4|
EL. 695.8|
EL. 695.3|
EL. 693.8|
EL. 691.8|
EL. 690.8|
EL. 690.5|
TO
SR 1238
TO
SR 1221
SHEET 1 OF 5 CULVERT NO. 468
F.A. PROJECT NO. : HSIP-1221(18)
TOTAL STRUCTURE QUANTITIES
CLASS A CONCRETE
FOUNDATION CONDITIONING MATERIAL
CULVERT EXCAVATION LUMP SUM
TOTAL
LBS.
LBS.
TOTAL LBS.
REINFORCING STEEL
BARREL, SILLS, BAFFLES
C.Y.
C.Y.
C.Y.
231 TONS
518.4
551.4
75,844
1,453
77,297
BARREL @ 3.854 CY/FT
WINGS, ETC.
WINGS, ETC.
24.4
8.6 C.Y.SILLS/BAFFLES
LUMP SUMSTREAM BED MATERIAL
PLACEMENT OF NATURAL
= 2:1
= 690.70
= 723.68
ROADWAY DATA
ROADWAY SLOPES
INVERT ELEV. @ STATION 31+84.50
GRADE POINT ELEV. @ STATION 31+84.50
CULVERT
RIGHT BARREL OF
APPROX. 22’ CENTERS IN
AND 2’ SILLS SPACED @
LEFT BARREL OF CULVERT
APPROX. 22’ CENTERS IN
1’ BAFFLES SPACED @
= 500 YR +
= 4,700 CFS
= 724.0
OVERTOPPING FLOOD DATA
= 698.82
= 1,100 CFS
= 1.3 SQ MI
= 50 YR.
= 1,000 CFS
HYDRAULIC DATA
DESIGN DISCHARGE
FREQUENCY OF DESIGN FLOOD
DESIGN HIGH WATER ELEVATION
DRAINAGE AREA
BASE DISCHARGE (Q 100)
BASE HIGH WATER ELEVATION
OVERTOPPING FLOOD ELEVATION
FREQUENCY OF OVERTOPPING FLOOD
OVERTOPPING DISCHARGE
= 698.2
NOTES
VARIOUS PAY ITEMS.
REINFORCING STEEL SHALL BE CONSIDERED INCIDENTAL TO
THIRTY BAR DIAMETERS. PAYMENT FOR THE SAMPLES OF
AND LENGTH OF THE SAMPLE, PLUS A MINIMUM LAP SPLICE OF
MUST THEN BE SPLICED WITH REPLACEMENT BARS OF THE SIZE
SIZE BAR USED. THE BARS FROM WHICH THE SAMPLES ARE TAKEN
TONS OF REINFORCING STEEL, TWO 30 INCH SAMPLES OF EACH
OF EACH SIZE BAR USED, AND FOR PROJECTS REQUIRING OVER 400
UP TO 400 TONS OF REINFORCING STEEL, ONE 30 INCH SAMPLE
OF REINFORCING STEEL AS FOLLOWS: FOR PROJECTS REQUIRING
THE CONTRACTOR SHALL PROVIDE INDEPENDENT ASSURANCE SAMPLES
FOR ‘‘PLACEMENT OF NATURAL STREAM BED MATERIAL.’’
CULVERT BETWEEN SILLS AND BAFFLES. SEE SPECIAL PROVISIONS
NATURAL STREAM BED MATERIAL SHALL BE USED TO BACKFILL THE
SPECIFICATIONS.
3" ~ WEEP HOLES INDICATED TO BE IN ACCORDANCE WITH THE
FOR CRANE SAFETY, SEE SPECIAL PROVISIONS.
FOR GROUT FOR STRUCTURES, SEE SPECIAL PROVISIONS.
FOR FALSEWORK AND FORMWORK, SEE SPECIAL PROVISIONS.
FOR SUBMITTAL OF WORKING DRAWINGS, SEE SPECIAL PROVISIONS.
CONTRACTOR.
OF STEEL DUE TO THE SPLICES SHALL BE PAID FOR BY THE
IN THE SPLICE LENGTH CHART SHOWN ON THE PLANS. EXTRA WEIGHT
CONSTRUCTION JOINT. THE SPLICE LENGTH SHALL BE AS PROVIDED
AND BOTH FACES OF THE INTERIOR WALL ABOVE LOWER WALL
REINFORCING STEEL IN THE INTERIOR FACE OF EXTERIOR WALLS
AT THE CONTRACTOR’S OPTION, HE MAY SPLICE THE VERTICAL
SHEET.
REINFORCING STEEL EMBEDDED IN BARREL ARE SHOWN ON WING
DIMENSIONS FOR WING LAYOUT AS WELL AS ADDITIONAL
PROPERLY TAKE CARE OF THE FILL.
BEFORE STAKING IT OUT TO MAKE CERTAIN THAT IT WILL
THE RESIDENT ENGINEER SHALL CHECK THE LENGTH OF CULVERT
FULL HEIGHT FOLLOWED BY ROOF SLAB AND HEADWALLS.
2. THE REMAINING PORTIONS OF THE WALLS, SILLS AND WINGS
VERTICAL WALLS.
1. WING FOOTINGS AND FLOOR SLAB INCLUDING 4" OF ALL
CONCRETE IN CULVERTS TO BE POURED IN THE FOLLOWING ORDER:
NO PRECAST REINFORCED BOX CULVERT OPTION WILL BE ALLOWED.
EXPANSION JOINT.
FILL FACE OF THE WING COVERING THE ENTIRE LENGTH OF THE
A 3 FOOT STRIP OF GEOTEXTILE SHALL BE ATTACHED TO THE
CONTROL PLANS.
FOR CULVERT DIVERSION DETAILS AND PAY ITEM, SEE EROSION
OF JOINTS SHALL BE SUBJECT TO APPROVAL OF THE ENGINEER.
SPACED TO LIMIT THE POURS TO A MAXIMUM OF 70 FT. LOCATION
TRANSVERSE CONSTRUCTION JOINTS SHALL BE USED IN THE BARREL,
TO THE SPLICES SHALL BE PAID FOR BY THE CONTRACTOR.
JOINT AT THE CONTRACTOR’S OPTION. EXTRA WEIGHT OF STEEL DUE
STEEL IN THE BOTTOM SLAB MAY BE SPLICED AT THE PERMITTED
SHALL BE SUBMITTED, SEE SHEET SN.
DETAILED DRAWINGS FOR FALSEWORK AND FORMS FOR THIS CULVERT
DESIGN FILL = 24’
ASSUMED LIVE LOAD = HL-93 OR ALTERNATE LOADING.
ARE THE AS-BUILT PLANS
I HEREBY CERTIFY THESE PLANS
NO. NO.BY: BY:DATE: DATE:
REVISIONS SHEET NO.
TOTALSHEETS
STATE OF NORTH CAROLINA
RALEIGH
DEPARTMENT OF TRANSPORTATION
12
3
4
STATION:
COUNTY
PROJECT NO.
T. E. TALLMAN
D. H. CARTER
5/28/2015
ICA Engineering
R:\Structures\Plans\Town_Creek_Culvert\C1_w-5516_sd_gd.dgn
MAY 2015
MAY 2015
13NC License No: F-0258
Engineering
31+84.50 -L-
ROWAN
W-5516
PRO
FESSION
AL
ENGINEER
N
ORTH CAROLIN
A
SEAL
14408
E.SAMHT
T LL
NAMA
O
7/7/2015
6"
DRAWN BY :
CHECKED BY :
DATE :
DATE :
CHECKED BY :
DATE :
DATE :
ASSEMBLED BY :SPECIAL
STANDARD
2’-
6"
{ CULVERT
8"
BARREL STANDARD
90° SKEW
CONCRETE BOX CULVERT
EXTERIOR WALL (SEE BARREL SECTION) EXTERIOR WALL (SEE BARREL SECTION)
SYMM. ABOUT { CULVERT
1’- 3"
9"
3"
CONST. JT.
3"
9"
FOR 2:1 FILL
WING SLOPE
#5 B1 BARS- FILL FACE
ROADWAY WIDTH
3" ~ WEEP HOLES @ 10’- 0" | CTS.
FOR 2:1 FILL
WING SLOPE
SH
OW
N I
N
TY
PI
CA
L S
EC
TI
ON
OF
BA
RR
EL
9"
CULVERT SECTION NORMAL TO ROADWAY
EXTERIOR WALL INTERIOR WALL
6" BEVEL
STD. NO. CB12
END ELEVATION
6"6"
3" 3"
RE
DR
AW
N
UPSTREAM END ONLY
4-#5 G1 @ 3" CTS.
#4
C1 B
AR
S
#4
C1 B
AR
S
#4 B2 BARS EACH
PART PLAN-ROOF SLAB PART PLAN-FLOOR SLAB
RALPH D. UNDERWOOD
JOEL A. JOHNSON
MAY 1971
JULY 1971
NO
V. 19
90
BY
TS
S
CH
EC
KE
D
BY
AR
B
10’’
10’’
SHEET 2 OF 5
RE
VIS
ED 11-19-99
BY
M.M.
CH
EC
KE
D
BY
R.W.W.
PROJECT NO.
C-2
AND FLOOR SLAB WHEN SLAB
IS THICKER THAN FOOTING
CONNECTION OF WING FOOTING
DETAIL
FLOOR SLAB
WING FOOTING
FLOOR SLAB
CONST. JT.
WING FOOTING
ROADWAY FILL SLOPE 2:1
ROADWAY FILL SLOPE 2:1
GRADE -0.90%
ELEV. 690.70
FACE
CONST. JT.
PERMITTED
40’-0"
#5 B1 BARS- STREAM FACE
11"
1’-
8"
1’-
10"
DOUBLE 11 FT. X 8 FT.
24’-4"
2’-
8"
11’-0" 11’-0"
22’-8"
21’-1�"
1’-
6"
1’-
0"
3’-
9"
6’-
1"
9’-
10"
9�"9�"
STA. 31+84.50 -L-
{ -L-
269-#5 A1 @ 6" CTS. CORNER BARS EACH 269-#5 A2 @ 6" CTS. CORNER BARS EACH
11-#4
C1 B
AR
S
@ 1’-
0"
CT
S.
LENGTH OF CULVERT= 134’-6"
23-#4
C1 B
AR
S
@ 1’-
0"
CT
S.
TO
P
OF
RO
OF
SL
AB
11-#4
C1 B
AR
S
@ 1’-
0"
CT
S.
135-#4 B2 @ 1’-0" CTS.
(EACH FACE)
6"
135-#5 B1 BARS @ 1’-0" CTS. FILL FACE
135-#5 B1 BARS @ 1’-0" CTS. STREAM FACE
EA
CH
BA
RR
EL
TO
P
OF
FL
OO
R
SL
AB
EA
CH
BA
RR
EL
BO
TT
OM
OF
RO
OF
SL
AB
6"
1’-
2"
1’-
2"
45-#4
C1 B
AR
S
@ 6"
CT
S.
67’-3" 67’-3"
3"
3"
3"
269-#6 A100 BARS @ 6" CTS.- BOTTOM OF ROOF SLAB
269-#6 A300 BARS @ 6" CTS.- TOP OF ROOF SLAB
3"
3"
3"
3"
3"
269-#7 A200 BARS @ 6" CTS.- TOP OF FLOOR SLAB
269-#7 A400 BARS @ 6" CTS.- BOTTOM OF FLOOR SLAB
TO CURVE)
90° (TAN
1’-
3"
1’-
3"
SH
OW
N I
N
TY
PI
CA
L S
EC
TI
ON
OF
BA
RR
EL
3"
BO
TT
OM
OF
FL
OO
R
SL
AB
6"
4-#5 G1 @ 3" CTS.
IN HEADWALL
(5
BA
R
RU
N)
(5
BA
R
RU
N)
(5
BA
R
RU
N)
(5
BA
R
RU
N)
(5
BA
R
RU
N)
(5
BA
R
RU
N)
8’-
0"
(IN
SI
DE
FA
CE
S
EX
TE
RI
OR
WA
LLS)
22’-
8"
-L-
90°
1’-
11"
ARE THE AS-BUILT PLANS
I HEREBY CERTIFY THESE PLANS
NO. NO.BY: BY:DATE: DATE:
REVISIONS SHEET NO.
TOTALSHEETS
STATE OF NORTH CAROLINA
RALEIGH
DEPARTMENT OF TRANSPORTATION
12
3
4
STATION:
COUNTY
PROJECT NO.
T. E. TALLMAN
D. H. CARTER
5/28/2015
ICA Engineering
R:\Structures\Plans\Town_Creek_Culvert\C2_w-5516_sd_ce.dgn
MAY 2015
MAY 2015
13NC License No: F-0258
Engineering
31+84.50 -L-
ROWAN
W-5516
PRO
FESSION
AL
ENGINEER
N
ORTH CAROLIN
A
SEAL
14408
E.SAMHT
T LL
NAMA
O
7/7/2015
740
750
760
770
780
790
800
810
820
740
750
760
770
780
790
800
90 91 92 93 94 95 96 97 98 99 100 101 102 103
DO NOT USE FOR CONSTRUCTIONPRELIMINARY PLANS
INCOMPLETE PLANSDO NOT USE FOR R/W ACQUISITION
5/28/99
SHEET NO.PROJECT REFERENCE NO.
HYDRAULICSROADWAY DESIGN
ENGINEER ENGINEER
18 W-5516
5/23/2014
R:\
Road
way\
Proj\
w5516_rdy_pfl_18.d
gn
_IC
A
EN
GIN
EE
RIN
G, IN
C._
103 104 105 106 107 108 109 110 111 112 113 114 115 116
710
720
730
740
750
760
770
780
790
800
710
720
730
740
750
760
770
780
790
800
730730
FOR -L- PLAN, SEE SHEET 10
FOR -L- PLAN, SEE SHEET 11
-L-OLD BEATTY FORD ROAD
-L-OLD BEATTY FORD ROAD
DRAINAGE AREA
DESIGN FREQUENCY
DESIGN DISCHARGE
DESIGN HW ELEVATION
100 YEAR DISCHARGE
100 YEAR HW ELEVATION
OVERTOPPING FREQUENCY
OVERTOPPING DISCHARGE
OVERTOPPING ELEVATION
PIPE HYDRAULIC DATA
AC
YRS
YRS
CFS
CFS
CFS
FT
FT
FT
=
=
=
=
=
=
=
=
= 774.44
21
500+
766.70
5
766.70
5
50
1.55
INV IN = 765.44 INV OUT = 764.88
18" RCP-III STA 96+40 -L-
DRAINAGE AREA
DESIGN FREQUENCY
DESIGN DISCHARGE
DESIGN HW ELEVATION
100 YEAR DISCHARGE
100 YEAR HW ELEVATION
OVERTOPPING FREQUENCY
OVERTOPPING DISCHARGE
OVERTOPPING ELEVATION
PIPE HYDRAULIC DATA
AC
YRS
YRS
CFS
CFS
CFS
FT
FT
FT
=
=
=
=
=
=
=
=
= 766.05
100
500+
760.16
36
760.05
34
50
10.52
INV IN = 757.13 INV OUT = 756.60
36" RCP-III STA 99+23 -L-
CULVERT HYDRAULIC DATA
DESIGN DISCHARGE
DESIGN FREQUENCY
BASE DISCHARGE
OVERTOPPING ELEVATION
OVERTOPPING FREQUENCY
OVERTOPPING DISCHARGE
DESIGN HW ELEVATION
BASE HW ELEVATION
DRAINAGE AREA
=
=
=
=
=
=
=
=
=
FT
CFS
YRS
FT
CFS
FT
YRS
CFS
SQ MI
752.6
1400
500+
744.43
600
734.7
50
500
0.3
NC License No: F-0258Engineering
EXISTING GROUND LINE
PROPOSED GRADE LINE-1.9837%
EL
EV. 765.4
0
EL
EV. 769.9
7
EL
EV. 772.2
5
(+) 3.66%
EL
EV. 763.0
0
ST
A. 90
+25 -
LT
BE
GIN
DIT
CH
(+) 1.50%
(+) 0.30%
(+) 0.50%
(+) 4.56%
(+) 4.57%
ELEV. 771.34 ELEV. 772.84
ELEV. 773.84
STA. 94+00 - RT
END DITCH
ELEV. 772.85
STA. 94+50 - LT
END DITCH (-) 5.73% (+) 0.30%
(-) 5.21%
(+) 0.84%
ELEV. 764.88
(-) 7.22%(-) 7.65%
(+) 0.30%
(+) 0.49%
ELEV. 770.87
STA. 95+50 - RT
BEGIN DITCH
ELEV. 765.44
ELEV. 766.01
ELEV. 766.01
ELEV. 757.13 ELEV. 756.60ELEV. 757.97
STA. 102+00 - RT
END DITCH
ELEV. 757.97
STA. 102+00 - LT
END DITCH
ELEV. 771.86
STA. 95+00 - LT
BEGIN DITCH
STA. 99+23STA. 99+23
STA. 98+00STA. 96+65
STA. 98+00
STA. 96+12
ST
A. 92
+50
ST
A. 91
+00
STA. 91+00 STA. 92+00
ST
A. 92
+00
18" RCP-III
36" RCP-III(+) 3.20%
DS = 50 MPH PROPOSED GRADE LINE
EXISTING GROUND LINE
PI = 107+95.00
EL = 748.75’
VC = 580’
K = 97
-1.9837%
+4.0083%
EL
EV. 740.0
0
ELEV. 749.93
STA. 106+50 - LT
BEGIN DITCH
ELEV. 749.93
STA. 106+50 - RT
BEGIN DITCH (-) 12.41%
(-) 7.42%
(-) 4.44%
EL
EV. 738.5
0
ST
A. 108
+04 -
LT
EN
D
DIT
CH
ELEV. 736.00
STA. 108+20 - RT
END DITCH
ELEV. 736.00
STA. 108+32 - RT
BEGIN DITCH
(+) 6.
60%
(+) 1
0.17
%
(+) 1
1.35
%
(+) 7.
16%
ELEV. 740.33
STA. 109+00 - LT
BEGIN DITCH
ELEV. 749.39
EL
EV. 750.5
0
ELEV. 760.40
STA. 111+50 - LT
END DITCH
ELEV. 756.55
STA. 110+50 - RT
END DITCH
ST
A. 110
+00
STA. 109+50
ST
A. 107
+30
SKEW = 81
BURIED 1’
1 @ 8’ x 7’ RCBC
72" RCP BURIED 1’
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