20191745 Ver 1_sheet 29 construction sequence_20200110

CULVERT CONSTRUCTION SEQUENCE STA. 15 + 62 -L-
1. CONSTRUCT SPECIAL STILLING BASIN PER NCDOT STANDARDS AT LOCATION SHOWN
2. CONSTRUCT IMPERVIOUS DIKES AND DIVERSION CHANNEL AS SHOWN. DIVERSION
CHANNEL TIE—INS SHOULD BE ISOLATED FROM JS FLOW. INSTALL 84" TEMPORARY
PIPE AND BACKFILL
3. DIVERT CHANNEL FLOW THROUGH TEMPORARY DIVERSION CHANNEL AND PIPE.
NOTES:
1) All excavation shall be performed in only dry or isolated IMPERVIOUS
areas of the work zone.
2) Impervious dikes are to be used to isolate work from D I KE�-
stream flow when necessary.
3) Maintenace of stream flow operations shall be incidental
to the work. This includes polyethylene sheeting, diversion �h
pipes, pumps and hoses. ,
4) Pumps and hoses shall be of sufficient size to dewater
the work area.
ry
41
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PROJECT REFERENCE NO. SHEET NO.
15408.1085803 EC-4A
ILW SHEET NO.
ROADWAY DESIGN HYDRAULICS
ENGINEER I ENGINEER
1. CONSTRUCT CULVERT AND CHANNEL IMPROVEMENTS.
i. REMOE IMPERVIOUS DIKES AND ALLOW FLOW THROUGH RCBC.
�. REMOVE STILLING BASIN AND TEMPORARY PIPE. FILL TEMPORARY DIVERSION
CHANNEL.
'. COMPLETE PROPOSED ROADWAY CONSTRUCTION.
JOSEPH?�WARWICK9 JR°
_ TEMPORARY CHANNEL & JEAf�NE WARWICK0D
TQ CHANGE WITH LINER DB 1323 PG 166 tigoti
M B 9 PC 219 e%
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217 M B
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$ _ — tiAj m °° TEMPORARY CHANNEL
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�9`Z - DIKE _ -� }° ° `' Ground
—� E q N FLEXIBLE Ground
_ _ �° o � �- WATERING ?. �
HOSE PUMP
R Mg E EXISTING —w° ��� / in. D = 2. Ft.
, S�" I N G _ 4 ��,i M o
-�� - - —� 1�NS CL B RIP RAP m S T6 B
3 RCP W/HW —�,�� , B = 6.0 Ft.
�sct, 215 W/2 8 SY G EOTEXTI LE
v- _ - - WOOODS �-
- , Type of Liner= Geotextile
w° ZZ 209 SCALE: 1„ - 20