SW7960702_APPROVED PLANS_19960708

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW 7Y�GD7�
DOC TYPE
❑CURRENT PERMIT
APPROVED PLANS
❑ HISTORICAL FILE
DOC DATE
�QI(/D70i�
YYYYMMDD

NEW OUTLET STRUCTURE
SEE DETAIL
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NO. 357 STONE
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INELTRATION TRENCH B
NOT TO SCALE V4 4
NEW D1
MU-21.B0
0
PROVIDE GEOTEXTI.E
FILTER FABRIC LINER
114' HERCP � BASIN BOTTOM ELEV.-18.67
PROVIDE 4' SAND IN BOTTOM
OF BASLN
INFILTRATION BASIN
SCALE 1'-30' HORIZ,
1'-6, VERT. -
f
litOl LX IILk_ UNLU 1 KLMC H
FILLED W/ GRAVEL SEE DETAIL
EXTENDED DETENTIObVINFIL RATION BASIL 4 4
SCALE: 1 30' HORIZ_
1'-8' VERT.
G' HIGH SLOT 98"
RIM.=21.10
RE14UrABLE 4' CAP
i0R d.EMIOUF
\ NO. 57 STONE 1
1 1 \ l - C
OLLAF
0 4 4 4
72' WIDE OPENING B' CCN .
I
INV.=19. 30'X19•...
30'x 19' RCP
PI AN ZEE 4' PERFORATED PVC PIPE
(GRATE REMNE0) WRAPPED WITH FILTER FABRIC
SECTION 1
NOT TO SCALE
HALF PLW - STEEL HALF PLAN - CAST IRON
SECTION A —A N rA
—21/2' 1/2'xi 1/2W LUGS
1/2'x4• ST110 SHEAR � 1rrTF1 C r �� WASHlNE SONFFiC
CONNECTORS WELDED I
TO COLLAR , ���n�00000UE
L 2 1/'.V-4 1/2.0/4- ���I1r�r000�UI ���� 011996
i0'-4. LONG ���000RNE a
DI NS F 1 1/2--4 p' • 1 • � � _� 2:
CASTiRON ON E IL
3/4'i---ii--1 1/4'
FtNISHED GRADE SECTION B-B SECTION C-C !r.�
COLLAR DETAILS GRATE DETAILS
22. NOT TO SCALE NOT TO SCALE
2L MOTES:
I. THIS ITEM MAY BE PRECAST OR CAST-l1-PLACE. 5. CAST IRON � R SP441 8E SW LOS, 04UUDM LUGS.
GALVANIZED STEEL G- AR5 5►W L BE 43.6 LBS, INCLUDING
CONNECTORS.
17 2. CAST IRON GRATES AND COLLARS $WALL BE SUFFICIENTLY
TRUE TO A PLANE SURFACE SO THAT GRATES WILL NOT ROCK,
3. OUTFALL STRUCTURE FLOOR TO BE PLACED ON A SIX INCH
(61 BED OF AGGREGATE BASE STONE FOR STABILIZATION.
4. ALL CAST IN PUCE CONCRETE TO BE CLASS Al ALL
PRECAST CONCRETE TO BE 4000 PSI,
OUTLET STRUCTURE A
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NAWAC ORAWNC NO.
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C — 4

2 X 4" WOOD FRAME
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PERSPECTIVE VIEWS
STAKE
w Aw
JLL IJLI/lIL
ELEVATION OF STAKE AND
FABRIC ORIENTATION
DROP INLET
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FRAME
ATHER
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AT CORNERS
REC>=11IEp
WASHINGTON OFFICE
RJUL 0.8 1996
id1► l�e�',
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SPECIFIC APP I ATIONL
THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE THE INLET
DRAINS A RELATIVELY FLAT AREA (SLOPES NO GREATER THAN 5 PERCENT)
WHERE SHEET THE INLET SHEETOR OVERLAND FLOWS (NOT EXCEEDING 1 CFS) ARE
TYPICAL THE METHOD SHALL NOT APPLY TO INLETS RECEIVING CONCENTRATED FLOWS,
SUCH AS IN STREET OR HIGHWEAY MEDIANS.
DETAIL A
TEMPORARY FABRIC INLET PROTECTION
NOT TO SCALE
cl

1. SET THE STAKES
(MIN. 4' LENGTH)
6' MAX.
toe
FLOW
3. STAPLE EXTRA —STRENGTH FILTER
FABRIC TO STAKES AND EXTEND
IT INTO THE TRENCH.
.0- .00, -'
loosle
2. EXCAVATE A 4' WIDE X 8"
TRENCH UPSLOPE ALONG
THE LINE OF STAKES,
4. BACKFILL AND COMPACT
THE EXCAVATED SOIL.
SEDIMENT FENCE P
NOT TO SCALE 3 C6
DEEP
1 Er MAX:
WRSHIMCTE mcr-
Pi0t fl'8 Y1996

18" RCP
NEW OUTLET STRUCTURE
SEE DETAIL /
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EXTENDEQ DETENTION/INFILTRATION BASIN 4 4
SCALE: 1'-30' HORIZ.
1'=6' VERT.
ELEV. e 21.00
1
co 4 C4
C EL EV.=17.00
1 L4".�_ r-SAND COVER �
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1- NO. 357 STONE 1
INFILTRATIQN TRENCH DETAIL
NOT TO SCALE 4 C4 A
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1/2'x4' STUD SHEAR E
CONNECTORS 'Af L.DED
TO COLLAR
L 2 1/2'x2 1)2'x1/4'
10'-4* LONG-'
PROVIDE GEOTEXTILE
NEW D.I. FILTER FABRIC LINER
RIM=21.80
2�38 14" HERCP - BASIN BOTTOM ELEV.=18.67
PROVIDE 4" SAND IN BOTTOM
OF BASIN
INFILTRATION BASIN
SCALE: 1'=30' HORQ,
1'=6' VERT.
i
FINISHED GRADE
■
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1
4 C4
F-72" WIDE OPENING
L '
30" x 19" RCP
. 72" �- 8.
a8'
PI AIA ZEE
(GRATE REMOVED)
6" HIGH SLOT II ---,,
I--
2 7 I/ RIM.=21.10
REMOVABLE 4" CAP
\4R CLEANOUT
NO. 57 STONE-i
L 4- PERFORATED PVC PIPE
WRAPPED WITH FILTER FABRIC
SECTION 1
NOT TO SCALE 4 C4
- �- HALF PLAN - CAST IRON SECTION A -A
2'-7'
1/2" 1/2"x1 1/2"x4" LUGS
CAST WITH COLLAR
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DIMENSIONS FOR 1 1/2---4L- 2
CAST IRON ONL 1= - '-4"
I 3/4"--4--'4-1 1 /4"
SECTION B-B SECTION C-C
COLLAR DETAILS GRATE DETAILS
NOT TO SCALE
ZL
1�
19 1. THIS ITEM MAY BE PRECAST OR CAST -IN -PLACE.
18 2. 1 CAST IRON GRATE5 AND COLLARS SHALL BE SUFFICIENTLY
17 TR'E TO A PLANE SURFACE SO THAT GRATES WILL NOT ROCK.
3, I OUTFALL STRUCTURE FLOOR TO BE PLACED ON A SIX INCH
13 (61 BED OF AGGREGATE BASE STONE FOR STABILIZATION.
4,1 ALL CAST 1N PLACE CONCRETE TO BE CLASS A3. ALL
PPECAST CONCRETE TO BE 4000 PSI.
OUTLET STRUCTURE A
NOT TO SCALE 4 C4
I!
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WASHINGTON OFFICE
RJUL 081996
LIY 61 IYIr
NOT TO SCALE
5. CAST IRON COLLARS SHALL BE 66±3 LBS, INCLUDING LUGS.
GALVANIZED STEEL COLLARS SHALL BE 43.5 LBS. INCLUDING
CONNECTORS.
_ 30 D 30 60 NAL
scale feet PREFI
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STA. PROJ. ND. CP668BR
SPEC. NO. 05-96-X
CONSTR. CONTR. NO.
N82470-96
NAVFAC DRAWING NO.
SHEET 3 OF
C-4 d

EROSION C,ON7ROL NOTES
1. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO INSPECT ALL EROSION CONTROL DEVICES
PERIODICALLY AND AFTER EVERY ERODABLE RAINFALL. ANY NECESSARY REPAIRS OR CLEANUP TO
MAINTAIN THE EFFECTIVENESS OF THE EROS#ON CONTROL DEVICES SHALL BE MADE IMMEDIATELY.
2, NO DISTURBED AREA WILL BE DENUDED FOR MORE THAN 30 DAYS.
3. ALL EROSION CONTROL DEVICES SHALL BE INSTALLED WITH THE FIRST PHASE OF CONSTRUCTION AND
SHALL REMAIN IN PLACE UNTIL ALL DISTURBED AREAS ARE STABILIZED. THE ADDITION OR DELETION
OF EROSION CONTROL DEVICES WILL BE AT THE DIRECTION OF THE CONTRACTING OFFICER.
4. ALL STORM AND SANITARY SEWER LINES NOT IN STREETS ARE TO BE MULCHED AND SEEDED
WITHIN FIFTEEN DAYS AFTER BACKFILL. NO MORE THAN FIVE HUNDRED FEET ARE TO BE OPEN AT
ONE TIME.
5- ALL TEMPORARY EARTH BERMS, DIVERSIONS, AND SILT DAMS ARE TO BE MULCHED AND SEEDED
FOR VEGETATIVE COVER WITHIN TEN DAYS AFTER GRADING. STRAW OR HAY MULCH IS REQUIRED.
THE SAME APPLIES TO ALL SOIL STOCKPILES.
s
6. DURING CONSTRUCTION, ALL STORM SEWER INLETS WILL BE PROTECTED BY SILT TRAPS, m
MAINTAINED AND MODIFIED AS REQUIRED BY CONSTRUCTION PROGRESS.
'o
7. ANY DISTURBED AREA NOT PAVED, SODDED, OR BUILT UPON BY NOVEMBER FIRST, IS TO BE =`*
SEEDED ON THAT DATE WITH OATS, ABRUZZI, RYE, OR EOUIVALENT AND MULCHED WITH HAY OR
STRAW MULCH. MODIFY AS APPLICABLE DEPENDING ON PROP05ED TIME OF CONSTRUCTION.
B. THE CONTRACTOR SHALL COMPLY WITH THE APPLICABLE REGULATIONS OF THE "STATE OF NORTH �� •
CAROLINA EROSION AND SEDIMENT CONTROL STANDARDS AND SPECIFICATIONS', BEFORE, DURING,
AND AFTER CONSTRUCTION.
9. THE CONTRACTOR SHALL CONSTRUCT AND MAINTAIN SUFFICIENT DEVICES TO PREVENT SOIL FROM q
DEVICES
/
BEING ERODED ON TO ADJACENT STREETS, DRAINAGE SYSTEMS AND WATER COURSES. THE R�
SHALL BE CLEANED OF MUD, DEBR5. AND ERODED MATERIAL DURING ALL STAGES_ OF CONSTRUCTION.
ALL EROSION CONTROL DEVICES SHALL BE MAINTAINED AT LEA57 WEEKLY, AFTER EACH RAINFALL, OR O
AS REQUIRED BY THE CONTRACTING OFFICER. ROADWAYS.SHALL BE KEPT CLEAN OF ALL MUD, DEBRIS, '11
/ AND ERODED MATERIAL DAILY. /
P. R. 2 2
ply
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STORM M1i. �� F��'r /FE
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a s 2 2 NEW D.I. o/ \\
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Jry 41 ' \ RIM=22.20 f � RCP 00.3% \ - FR BLOC.
�� \ T�0 �9 \ INV.=20.94 f 1 1� :� . �2 \� 9 - e225
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NEW D.I.
BLDG. RIM=21.ao }g
4224 INV.=18.73
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RIM=22.83 \� 6 hg. ` p h GRAVEL
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FED DRAWING NO.-
STA. PROD. NO. CP8088R
SPEC. NO. 05-96-X
CONSTR, CONTR, NO.
N62470-90
NAVFAC DRAWING NO.
30 0 30 60
SHEET 3 OF 4
scale feat _ 3
3 1 2 1