Of 7 Salem Stormwater Drawings Addendum A

OVERFLOW

ELEVATION

`T'

SEE FILTER SOCK DETAIL FOR

SEDIMENT CONTROL

SOIL/SEDIMENT

STOCKPILE AREA

STAKE

PAVEMENT SURFACE

PROTECTION AREA

WORK AREA

CONCRETE BLOCK OR SANDBAG PLACED 10.0' O.C.

FILTER SOCK (8", 9" OR 12")

FILTER

MATERIAL

FILTER SOCK (8", 12" OR 18")

2" X 2" WOODEN STAKES PLACED 10.0' O.C.

A

WORK AREA

STAKE

PROTECTION AREA

RECEIVING

ELEVATION

A

THICKNESS (`T') = 2.25 x D50 RIPRAP SIZING - 6" (150mm) MIN.

SECTION

0.5 X `D'

SECTION - PAVEMENT AREAS

SECTION - NATURAL GROUND AREAS

La = 4.5 x `D' MIN.

`D'=PIPE DIAMETER

SEE DETAIL C4 FOR

FILTER SOCK FOR

SEDIMENT CONTROL

SEE DETAIL C4 FOR

FILTER SOCK FOR

SEDIMENT CONTROL

SOIL/SEDIMENT

STOCKPILE AREA

CONCRETE BLOCK OR SANDBANG PLACED 10.0' O.C. (TYP.)

2" X 2" WOODEN STAKES PLACED 10.0' O.C. (TYP.)

NOTE: SOIL STOCKPILE SHALL BE COVERED WITH A SECURED TARPAULIN WHEN NOT IN USE.

FILTER SOCK (8", 12" OR 18")

4.0 x `D'

MIN.

`D'

ROCK d50

50% SHALL BE LARGER

THAN 6" (150mm) MIN. DIA.

FILTER SOCK (8", 9" OR 12")

NTS

WORK AREA

℄

PROTECTION AREA

WORK AREA

PLAN

WIDTH(FT)

2.0
4.0
5.0
6.0
8.0
10.0
12.0

B

FL
OW

FL
OW
ER

2.0

PIPE OUTLET PROTECTION SIZING TABLE

RIP RAP SIZING (D50)

LENGTH(FT)

2.5
5.0
6.25
7.5
10.0
13.0
15.0

AT

PIPE SIZE (IN)

PROTECTION AREA

W

B

PLAN - PAVEMENT AREAS

PLAN - NATURAL GROUND AREA

2.0

NOTES:

1. 'La' = LENGTH OF APRON. DISTANCE 'La' SHALL BE OF SUFFICIENT

LENGTH TO DISSIPATE ENERGY.
2. APRON SHALL BE SET AT A ZERO GRADE AND ALIGNED STRAIGHT.

3. FILTER MATERIAL SHALL BE FILTER OR 6" (150mm) THICK MINIMUM

GRADED GRAVEL LAYER.

NOTES::

1.
2.

SOCK SIZE TO BE PER MANUFACTURER'S RECOMMENDATION FOR THE APPLICATION.

FILTER MATERIAL TO BE PER MANUFACTURER'S RECOMMENDATION FOR THE

APPLICATION.

COMPOST MATERIAL TO BE DISPERSED ON SITE, AS DETERMINED BY THE VA COR AFTER

SITE IS PERMANENTLY STABILIZED.

3.

PLAN VIEW

FRAME AND GRATE - EQUAL WITH

MAXIMUM OPENING SIZE OF 2 41 "

NTS
NTS

GRASS

WHERE DEPTH OF COVER IS

NOT SUFFICIENT TO USE

CONCENTRIC OR

TRUNCATED CONE. A FLAT

TOP MAY BE USED.

TOPSOIL

CONNECTING PIPE

SUBGRADE

SURFACE POND OUTLET

CONTROL STRUCTURE. SEE

SHEET CK501, DETAILS E8 & F1

OUTLET CONTROL

STRUCTURE (OCS)

GRATE ELEVATION

OCS-1

1097.0

OCS-2

1104.5

OCS-3

1104.5

OCS-5

1077.5

OCS-6

1070.5

OCS-7

1074.5

NOTES:

1. LIGHTLY ROLL OR COMPACT TOPSOIL TO 4" MINIMUM

2. COMPACT SUBGRADE TO A MIN. OF 85% PER ASTM D698

3. SEEDING

NTS

NOTE:

WHERE THE CATCH BASIN IS

INSTALLED ADJACENT TO

BITUMINOUS CONCRETE OF TYPE V

SLOPED CURB. SET CENTERLINE OF

CATCH BASIN FRAME 1'-6" OFF FACE

OF CURB.

CONCENTRIC

CONE OR

TRUNCATED

CONE

JOINTS OF WATERTIGHT CATCH