20170239 Ver 2_Sample Pre-formed Scour Hole_20200910

DocuSign Envelope ID:7630A3CF-8C5F-4BCD-9ED7-C7556A43B1F8
LOCHNER PROJECT REFERENCE NO. SHEET NO.
N13-17
DFTAIL SHOV/ING H. W. LOCHNER, INC.
R-2915C 2D-2
2840 PLAZA PLACE, SUITE 202 RN SHEET NO.
RALEIGH, NC 27612 NC License PREFORMED SCOUR HOLE [phone] Number F-0159 HYDRAULICS
:•INTB ENGINEER
*0�. CAR0711i•
343 E. SIX FORKS ROAD, SUITE 200 NC License �� Off` .••""' ••• /ti ..
.�4.:' SS/ 9 �,
RALEIGH, NC 27609 Number C-1554 � ON9:•
—P cu%i�A(d bly:
PREFORMED SCOUR HOLE ',JC ••t INE�:: 0S„•4�?.%";
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1111111111100
* NOT TO SCALE 9/7/2016
PLAN VIEW
INSTALL LEVEL AND FLUSH
WITH NATURAL GROUND
ft•• $4iI R= for - e
Ak
ting PS ' 1
Pipe Outlet
A
A
A A
i, STA. B W D d
„ L -L- 304 + 40 LT 5 ' 4 2 ' 18"
ia, -L- 352 + 50 LT 5 ' 4' 2 ' 18"
Square Preformed (4 q .
-L- 371 + 50 LI 5 ' 4' 2 ' 18"
Scour Hole (PSH) -L- 377 + 35 RT 5 ' 4 ' 2 ' 15"
(Rip Rap in basin -L- 379 + 15 RT 5 ' 4' 2 ' 15"
not shown for clarity) _ : , _ —Y9REV— 11 + 50 LT 5 ' 4' 2 ' 15"
• na
1kO
g • ses 400 late •• —Y9REV— 14 + 00 LT 5 ' 4' 2 ' 18"
-L- 382 + 75 RT 5 ' 4' 2 ' 15"
-L- 391 + 50 RT 5 ' 4 ' 2 ' 15"
-L- 398 + 00 RT 5 ' 4' 2 ' 15"
-L- 404 + 00 RT 5 ' 4' 2 ' 15"
SECTION A-A -L- 406 + 00 RT 5 ' 4' 2 ' 18"
,c% PIPE/4/ (d = 15" OR 18")
-L- 430 + 50 RT 5 ' 4' 2 ' 15"
<< -L- 452 + 75 RT 5 ' 4' 2 ' 18"
sz
Op D -L- 456 + 70 RT 5 ' 4' 2 ' 15"
F
PSRM
INFLOW
4 - - _
V ATRAL
U`�' �`) GROUND
SEE SHEET 8 FOR PLAN VIEW
LINER: CLASS B RIPRAP B -
SEE SHEET 11 FOR PLAN V IEV l
WITH GEOTEXTILE MIN . 1 ' TUCK
SEE SHEET 13 FOR PLAN VIEW
SEE SHEET /4 FOR PLAN VIEW
SEE SHEET /5 FOR PLAN VIE N
SEE SHEET 17 FOR PLAN VIEW
SEE SHEET /9 FOR PLAN V IEV l