20151208 Ver 1_Construction Sequence_20151118

�
DETAI L A
SPECIAL LATERAL 'V' DITCH
( Not to Scale)
Natural
Ground ?'j
D
d
Geotextile �
Type of Liner= CLASS B Rip—Rap
o'�
ti��
Fill
Slope
Min. D = 1.0 Ft.
Max. d = 1.0 Ft.
FROM STA. 12 + 75 TO STA.13 + 50 —L— LT
FROM STA. 12 + 75 TO STA.13 + 25 —L— RT
\ ,,I i
� � i
�\ G�
� �� �
\ �� �� `����
\� � � �
� � �o
�� � ��
�� �
\ �
� �
\ J'� s�
\ �
\
\
\ ,
\
T
Zo� �A vE�
�
� f��
�
�
�
�
I.
I
�
N
I
CLEARING,GRUBBING,AND EROSION CONTROL PLAN
CONS T RUC T I ON SEC�UENCE
17' x 8'-3" BOTTOMLESS CULVERT
STAGE I
1.UTILIZE SPECIAL STILLING BASIN(S)
AS NECESSARY.
2eCONSTRUCT TEMP.IMPERVIOUS DIKE
UPSTREAM.
3. PLACE 24" TEMP. FLEXIBLE PIPE
ALONG EXISTING CHANNEL AS SHOWNe
4.CONSTRUCT IMPERVIOUS DIKE
DOWNSTREAM.
5eDEWATER CONSTRUCTION AREA INTO
SPECIAL STILLING BASIN(S).
6.REMOVE EXISTING BRIDGE ALLOWING
NO DEBRIS TO ENTER STREAM.
24" TEMP. FLEXIBLE P
��
NOTE:THE CONTRACTOR SHALL FILTER ALL SEDIMENT-LADEN WATER THROUGH SPECIAL STILLING BASIN.
.
\ �i
� �i
G �
� �� ��
� � �
\ �� �� `�\��
� � � ��
�
�� �� o
� � �'� . �
\ a �
� �
� �
\ J'� s�
\ �
� ��
\ �
� '�
\
I �,
I,
I
I
I
I•
I
I I
I
I
I
I
,._. I
N I
I �
��.
CONSTRUCT ION SEC�UENCE
17' x 8'-3" BOTTOMLESS CULVERT
STAGE II
I.CONSTRUCT FOOTINGS.
2.CONSTRUCT CHANNEL AND ARMOR
CHANNEL EMBANKMENTS.
3.PLACE PRECAST SECTIONS OF
BOTTOMLESS CULVERT AND CONSTRUCT
WINGWALLS.
4.INSTALL CLASS I RIP RAP ALONG
WINGWALLS.
5.REMOVE ALL SEDIMENT FROM STREAM
THAT RESULTED FROM CONSTRUCTION
ACTIVITIES PRIOR TO REMOVAL OF
IMPERVIOUS DIKES.
6. REMOVE TEMP. IMPERVIOUS DIKESq
PIPE, AND SPECIAL STILLING BASIN(S).
7e COMPLETE ROADWAY.
�
NOTE:THE CONTRACTOR SHALL FILTER ALL SEDIMENT-LADEN WATER THROUGH SPECIAL STILLING BASINo
� � �
■ ■ ■
� �
SCALE: 1"=20'
NOTE:
PLACE TEMPORARY ROCK SEDIMENT DAMS
TYPE - A AT DRAINAGE OUTLETS.
CLEARING AND GRUBBING DISTURBED AREA
EROSION CONTROL FOR 28,500 SF
CONSTRUCTION SHEET 4
BRIDGE REMOVAL AND CULVERT CONSTRUCTION SHALL BE PER
REQUIREMENTS IN THE NCDOT BEST MANAGEMENT PRACTICES
FOR CONSTRUCTION AND MAINTENANCE ACTIVITIES MANUAL
,
�
ENVIRONMENTALLY SENSITIVE AREA
SEE PROJECT SPECIAL PROVISIONS
�
�
ALPHA&OMEGAGROUP
C I V I L & S T R U C T U fZ A L E N G I N E E I� S
4601 Lake Boone Trail, Ste. 3C Rctleigh, NC 27607
Plaone 919 981 0310 Fax [phone]
Firm License No. C-1684 u�uiui.aogroup.com
A&0 PROJECT NOo 2013e034
STRa NOo 670060