20190089 Ver 1_Bridge #83 clarification_20191022

MMA
PROJECT REFERENCE NO. SHEET NO.
178PJ1.RJ18 I EC-6 /CONST.4
PIPE EXTENSION CONSTRUCTION SEQUENCE
Raleigh, NC 27605
sEPi Te997899977e
ENGINEERING 8 Fax:[phone]
C O N S T R U C T I O N License: C-2197
STA. 11 + 31 -DET-
PHASE I
PHASE II
1
1. UTILIZE SPECIAL STILLING BASINS DURING CONSTRUCTION AS DIRECTED BY THE ENGINEER.
1. UTILIZE SPECIAL STILLING BASINS DURING CONSTRUCTION AS DIRECTED BY THE ENGINEER.
2. INSTALL PERIMETER EROSION CONTROL MEASURES AS SHOWN ON SHEET EC-5.
2. REMOVE IMPERVIOUS DIKES 5 AND 6.
3. INSTALL IMPERVIOUS DIKES 5 AND 6 AS SHOWN IN PHASE I, BYPASS PUMP, AND TEMPORARY FLEXIBLE HOSE DIVERTING FLOW
3. INSTALL IMPERVIOUS DIKES 3 AND 4. REMOVE EXISTING BRIDGE STRUCTURE.
TO A POINT DOWNSTREAM OF THE DUAL TEMPORARY PIPES.
4. CONSTRUCT ROADWAY BRIDGE AND —L— LINE ACCORDING TO APPROVED PLANS.
REMOVE IMPERVIOUS DIKES 3 AND 4.
4. INSTALL IMPERVIOUS DIKE 1 AND BYPASS PUMP TO A POINT UPSTREAM OF IMPERVIOUS DIKE 5. EXTEND EXISTING 18" CMP.
5. INSTALL IMPERVIOUS DIKE 2, BYPASS PUMP, AND TEMPORARY FLEXIBLE PIPE TO A POINT UPSTREAM OF IMPERVIOUS DIKE 5.
6. INSTALL 2@60" CSP TEMPORARY PIPES ALONG DETOUR AND CONSTRUCT DETOUR AS SHOWN ON APPROVED PLANS. SHIFT
TRAFFIC ONTO DETOUR.
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IMPERVIOUS IMPERVIOUS
DIKE 3
acb
RETAIN FOR
DETOUR PHASE �� \
RETAIN R GL
DETOUR ASE
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SEE DETAIL 4
PDE Ep D
SEE DETAIL 4
IMPERVIOUS 050
I OE
REM VE I �E
050
c' � 0501 DIKE 6
I / OEP
—E
BLK F/
I�BLK
OUNDAT19N �/ �� 050
I�OUNDATIgN A�
1—FT BASE CHANNEL CHANGE
0503
E
® �E PROPOSED 2@72" CSP
I �m E
I , �E
SEE DETAAIIIL FIBER MATTING
PROPOSED 2@72" CSP
BURIED 1—FT WITH
IMPERVIOUS IMPERVIOUS '0 e
—� � TEMPORARY HEADWALLS
��
IMPERVIOUS F
� � t �'
BURIED 1—FT WITH
TEMPORARY HEADWALLS
DIKE 2 DIKE 5
r
DIKE 2
IMPERVIOUS
,"E M. WARD DIKE 1
o� IMPERVIOUS
YE M. WARD c DIKE 1
90 2�,
�90 20
x = x = * M = * NOTE:xTHE 11' CLEAR xROADWAY ` / v
, x * , _ * _ _ * , MNOTE: THE 11' CLEAR
ROADWAY
BY •1 ELEVATION = 3554,9189'
BY •1 ELEVATION = 3554,9189'
N 956546, E 1218200, GRAPHIC SCALES
N 956546. E 12102U0,
GRAPHIC SCALES
8" SPIKE IN A 12" MAPLE 30 0 30 60
8" SPIKE IN A 12" MAPLE
30 0 30 60
PLANS
Wei
PLANS