ADDENDUM_2_Suburban_Lane_Final_Consruction_Plans_06.03.2025.pdf

BEGIN END

BEGIN PROJECT

SUBURBAN DRIVE

SURVEY STA. 10+12.00

END PROJECT

SUBURBAN DRIVE

SURVEY STA. 16+19.96

0.115

0.000

0.115

0.000

0.115

X

X

X

X

X

THE CAROLINAS, INC.

HDR ENGINEERING OF

TOTAL SHEETS

SHEET NO. DESCRIPTION SHEET SUBTOTALS

INDEX OF SHEETS

CROSS SECTIONS

EROSION CONTROL DATA SHEETS

PLAN/PROFILE SHEET

REFERENCE DATA SHEET

CONSTRUCTION NOTES

PROPERTY STRIP MAP

RIGHT-OF-WAY DATA SHEET

TYPICAL SECTIONS AND MISC. DETAILS

SUMMARY OF ESTIMATED QUANTITIES

TITLE SHEET

X1-X3

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JUNE 3, 2025

CONSTRUCTION PLANS

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FOR CONSTRUCTION :

DATE

ENGINEER OF RECORD

EXCEPT AS MAY OTHERWISE BE SPECIFIED ON THE PLANS OR IN THE SPECIAL

PROVISIONS, ALL MATERIALS AND WORKMANSHIP ON THIS PROJECT SHALL CONFORM

TO THE SOUTH CAROLINA DEPARTMENT OF TRANSPORTATION STANDARD

DRAWINGS FOR ROAD CONSTRUCTION IN EFFECT AT THE TIME OF LETTING.

NOTE:

YES / NO

RAILROAD INVOLVEMENT?

ENVIRONMENTAL PERMIT INFORMATION

NPDES PERMIT INFORMATION

Approximate Location of Roadway is provided by:

Hydraulic and NPDES Design

Begin

End

Latitude

Longitude

Latitude

Longitude

PROPOSED PLANS FOR:

Disturbed Area =

Project Area =

Acre(s)

Acre(s)

LAYOUT

IMPROVEMENTS PROJECT

SCALE 1 INCH = XXX FEET

GROSS LENGTH OF PROJECT

LENGTH OF EXCEPTIONS

NET LENGTH OF PROJECT

NET LENGTH OF BRIDGES

NET LENGTH OF ROADWAY

MILES

MILES

MILES

MILES

MILES

USACE PERMIT

NEPA DOCUMENT

401 CERTIFICATION

OCRM CAP

NAVIGABLE WATERS

YES

YES

YES

YES

USCG

NO

NO

NO

NO

USACE N/ASC

SOUTH CAROLINA

3 DAYS BEFORE DIGGING IN

CALL 811

ALL UTILITIES MAY NOT BE A MEMBER OF SC811

WWW.SC811.COM

SOUTH CAROLINA 811 (SC811)

TRAFFIC DATA

ADT

ADT

TRUCKS %

HDR ENGINEERING INC.

OF THE CAROLINAS

COLUMBIA, SC 29201

803-509-6600

SUITE 800

1201 MAIN STREET

PLANS PREPARED BY:

DORCHESTER COUNTY

SUBURBAN LANE

SPECIFICATIONS FOR HIGHWAY CONSTRUCTION (2025 EDITION) AND THE STANDARD

NONE

EQUALITIES IN STATIONING:

DORCHESTER COUNTY MAP

Docusign Envelope ID: 99235213-02A0-4D84-AAD9-2D4A664AD01E

6/3/2025

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SUMMARY OF ESTIMATED QUANTITIES

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STATE COUNTY PROJECT ID

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DIV NO.

FED. RD.

P123456DORCHESTER COUNTY DORCHESTER SUBURBAN LN.

15 10+12.00 16+19.96

PAVEMENT LEGEND

PROPOSED TYPICAL SECTION

C

L

SUBURBAN LN.

SLOPES MAY VARY, REFER TO CROSS SECTIONS.

NOTES:

GROUND LINE

(S

HO

W N 4:

1)

VAR

IE

S**

GROUND LINE

GRADE POINT

FINISHED

50:150:1

VARIES

VARIES

0.5' 0.5'

(SHOWN 12.0') (SHOWN 12.0')

(S

HO

W N 4:

1)

VAR

IE

S**

3'3'

30:1 30:1

3'3'

10:1 10:

3 GRADED AGGREGATE BASE COURSE (10" UNIFORM)

HOT MIX ASPHALT INTERMEDIATE COURSE (TYPE B) (200 PSY)

HOT MIX ASPHALT SURFACE COURSE (TYPE B) (200 PSY)

CONDUIT

6" ELECTRICAL

PROPOSED

CONDUIT

2" FIBER OPTIC

PROPOSED

LINE

1" WATER

PROPOSED

FORCE MAIN

1.25" SEWER

PROPOSED

' C

O V E

R M

IN

M

IN

S E P

R/W LINE

3' MIN. FROM

R/W LINE

5' MIN. FROM

' C

O V E

R M

IN

.5 ' C

O V E

R M

IN

LANE

OF TRAVEL

4' FROM EDGE

LANE

OF TRAVEL

4' FROM EDGE

STA. 10+12.00 TO STA. 16+19.96

PAVEMENT DESIGNDESIGN SPEED

TO STA.FROM STA.MPH

EXCEPTIONS TO DESIGN SPEED

CLASS

FUNCTIONAL

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RTE.

MPH FROM STA. TO STA.

DESIGN SPEEDRTE.

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HDR ENGINEERING INC.

OF THE CAROLINAS

COLUMBIA, SC, 29201

803-509-6600

SUITE 800

1201 MAIN STREET

3 S.C.

STATE COUNTY PROJECT ID

NO.

SHEET

NO.

ROAD/ROUTE

DIV NO.

FED. RD.

P123456

SCALE: 1"V=1', 1"H=5'

TYPICAL SECTIONS

GROUP 2

LOCAL

URBAN

SUMMERVILLE, SC

TYPICAL SECTION OF IMPROVEMENT

DORCHESTER SUBURBAN LN.

DORCHESTER COUNTY

SUBURBAN LANE

IMPROVEMENTS PROJECT

RIGHT-OF-WAY DATA SHEET

RIGHT-OF-WAY DATA SHEET

DESCRIPTION OF REVISIONDATEBYREV. NO.

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HDR ENGINEERING INC.

OF THE CAROLINAS

COLUMBIA, SC, 29201

803-509-6600

SUITE 800

1201 MAIN STREET

3 S.C.

STATE COUNTY PROJECT ID

NO.

SHEET

NO.

ROAD/ROUTE

DIV NO.

FED. RD.

P123456DORCHESTER SUBURBAN LN.

IMPROVEMENTS PROJECT

DORCHESTER COUNTY

SUBURBAN LANE

PL

RIGHT-OF-WAY STRIP MAP

50 100 200

100'

4A

PL

PL

PL

PL

PL

PL

PL

PL

PL

PL

PL

PL

PL

PL

PL

PL

PL

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PL

PL

DESCRIPTION OF REVISIONDATEBYREV. NO.

TOPO.

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HDR ENGINEERING INC.

OF THE CAROLINAS

COLUMBIA, SC, 29201

803-509-6600

SUITE 800

1201 MAIN STREET

3 S.C.

STATE COUNTY PROJECT ID

NO.

SHEET

NO.

ROAD/ROUTE

IMPROVEMENTS PROJECT

DORCHESTER COUNTY

SUBURBAN LANE

5RBR"

4RBR"

NEW 20' R/W

NEW R/W=PL NEW R/

W=PL

NEW 20' R/W

(S C

D

K T

N O

.3

)J .W .L

P R E S .3

R

W

(S C

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N O

.3

)J .W .L

P R E S .3

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.3

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P R

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R

W

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C D

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J .W .L

P R

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20.00

+71.23

37.27

+05.61

20.00

+18.8320.00

+38.18

38.99

+32.39

40.74

+67.24

71.19

+27.48

34.22

+42.87

EASEMENT

NEW UTILITY

EASEMENT

NEW UTILITY

6. SPECIAL PROVISIONS

2. SURVEY AND DESIGN INFORMATION

8. UTILITIES

5. PAVEMENT MARKINGS

SEE PLAN SHEET #6 FOR A LIST OF KNOWN UTILITY OWNERS.

PLAN INTENT AND ADDITIONAL INFORMATION.

THE CONTRACTOR'S ATTENTION IS CALLED TO THE PROJECT SPECIAL PROVISIONS FOR ADDITIONAL CLARIFICATION OF

4. SIGNING

EROSION CONTROL MEASURES SHALL BE IMPLEMENTED DURING ALL STAGES OF CONSTRUCTION.

WORK ALONG WITH HIS ROADWAY CONSTRUCTION WORK TO MINIMIZE THE AMOUNT OF EROSION AND SEDIMENTATION.

TO CLEARING AND GRUBBING ANY OTHER AREAS. ALSO, THE CONTRACTOR SHALL STAGE HIS CLEARING AND GRUBBING BASINS AND INSTALL THE SILT BASINS AND ALL OTHER STANDARD S.C.D.O.T. EROSION CONTROL MEASURES PRIOR THE CONTRACTOR WILL BE REQUIRED TO CLEAR THE AREAS NECESSARY FOR THE CONSTRUCTION OF ANY SILT

3. CLEARING AND GRUBBING REQUIREMENTS FOR EROSION CONTROL

1. PROJECT DESCRIPTION

CONSTRUCTION NOTES/

PROJECT INCLUSIONS

GENERAL INCLUSIONS

PROJECT NOTES

EROSION CONTROL INCLUSIONS

GENERAL CONSTRUCTION NOTE:

7. EMBANKMENT

HORIZONTAL AND VERTICAL ALIGNMENT SURVEYS BY DORCHESTER CO. ARE BASED UPON EXISTING USGS MONUMENTS.

OF THE PROJECT WHICH HAVE BEEN COMPLETED TO A STAGE REQUIRING PERMANENT SIGNING.

CONSTRUCTION. THE CONTRACTOR SHALL COORDINATE WITH THE S.C.D.O.T. REGARDING PLACEMENT OF PERMANENT SIGNS IN AREAS THE CONTRACTOR IS RESPONSIBLE FOR ALL CONSTRUCTION SIGNING AND MAINTENANCE OF EXISTING PERMANENT SIGNS DURING

SHALL BE APPLIED TO ASPHALT SURFACE. SEE STD. DWG. 630-205-00 FOR APPLICATION.

THE CONTRACTOR IS RESPONSIBLE FOR REPLACING EXISTING PAVEMENT MARKINGS. PERMANENT THERMOPLASTIC PAVEMENT MARKINGS

THE ENGINEER.

SUMMARY OF ESTIMATED QUANTITIES AND MAY BE ADJUSTED DURING CONSTRUCTION AS DIRECTED BY

THE FOLLOWING QUANTITIES ARE NOT SHOWN IN DETAIL ON THE PLANS BUT ARE INCLUDED IN THE

AS APPLICABLE.

SEE INDIVIDUAL CURVES ON REFERENCE DATA SHEET FOR SUPERELEVATION RATE AND DESIGN SPEED, AS POSSIBLE.

FORWARD INFORMATION ON ANY PROPOSED CHANGES IN ALIGNMENT TO THE DORCHESTER COUNTY OFFICE AS SOON

ENGINEER TO AUTHORIZE MINOR ALTERATIONS NOT IN CONFLICT WITH THE STANDARD PRACTICES OF THE COUNTY.

CHANGES IN ALIGNMENT. THE COUNTY ADMINISTRATOR IS PERMITTED UNDER THE DIRECTION OF THE COUNTY

THE COUNTY ENGINEER MUST SPECIFICALLY AUTHORIZE CHANGES INVOLVING INCREASED COST OF PROJECT OR

C. PAVEMENT MARKINGS, SIGNING, AND TRAFFIC CONTROL FOR ENTIRE PROJECT.

B. GRADING, DRAINAGE, AND PAVING OF SUBURBAN LANE.

A. CLEARING & GRUBBING OF PROJECT AREA.

MAJOR WORK ITEMS INCLUDE:

THE APPROXIMATE LENGTH IS 0.115 MILES.

THE PROJECT IS SITUATED IN DORCHESTER COUNTY, SOUTH CAROLINA AND INCLUDES IMPROVEMENTS TO SUBURBAN LANE.

CONSTRUCTION.

SECTION 205 (EMBANKMENT CONSTRUCTION). ALL TEST RESULTS SHALL BE SUBMITTED TO THE RCE FOR APPROVAL PRIOR TO USE IN EMBANKMENT REQUIRED FINISH GRADE LINE USING THE COMPACTIVE EFFORT INDICATED IN THE STANDARD SPECIFICATIONS FOR HIGHWAY CONSTRUCTION, OF ANY PROPOSED EMBANKMENT. UPON ACCEPTANCE OF THE PROPOSED BORROW MATERIAL, THE MATERIAL SHALL BE PLACED TO THE THE CONTRACTOR SHALL PROVIDE A SAMPLE OF THE PROPOSED BORROW MATERIAL FOR REVIEW AND ACCEPTANCE PRIOR TO PLACEMENT USE BORROW MATERIAL AS DESCRIBED IN SUBSECTION 203.2.1.8 OF THE SCDOT 2007 STANDARD SPECIFICATIONS FOR HIGHWAY CONSTRUCTION.

DESCRIPTION OF REVISIONDATEBYREV. NO.

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HDR ENGINEERING INC.

OF THE CAROLINAS

COLUMBIA, SC, 29201

803-509-6600

SUITE 800

1201 MAIN STREET

3 S.C.

STATE COUNTY PROJECT ID

NO.

SHEET

NO.

ROAD/ROUTE

IMPROVEMENTS PROJECT

DORCHESTER COUNTY

SUBURBAN LANE

NORTHING (Y) EASTING (X) ELEVATION (Z)

COORDINATES - SOUTH CAROLINA STATE PLANE COORDINATE SYSTEM

VERTICAL - NORTH AMERICAN VERTICAL DATUM - 1988 (NAVD88)

CONTROL SURVEY SUMMARY

GENERAL INFORMATION

ORIENTATION - GRID NORTH

PROJECT CONTROL POINTS

HORIZONTAL - NORTH AMERICAN DATUM - 2011 (NAD 83)

REFERENCE DATA SHEET

5A

ALIGNMENT DATA

Ending chain SUB description

Point 201 N 423,872.064 E 2,255,788.193 Sta 16+19.96

Course from PT SUB-2 to 201 N 46° 19' 26.00" E Dist 101.131

Chord Bear = N 54° 35' 31.71" E

Ahead = N 46° 19' 26.00" E

Back = N 62° 51' 37.42" E

C.C. N 424,091.527 E 2,255,438.818

P.T. Station 15+18.83 N 423,802.225 E 2,255,715.050

P.C. Station 14+03.38 N 423,735.568 E 2,255,621.282

Mid. Ord. = 4.158

Long Chord = 115.046

External = 4.201

Radius = 400.000

Length = 115.447

Tangent = 58.127

Degree = 14° 19' 26.20"

Delta = 16° 32' 11.42" (LT)

P.I. Station 14+61.51 N 423,762.083 E 2,255,673.009

Curve SUB-2

Curve Data

Course from PT SUB-1 to PC SUB-2 N 62° 51' 37.42" E Dist 302.094

Chord Bear = N 46° 32' 19.21" E

Ahead = N 62° 51' 37.42" E

Back = N 30° 13' 01.01" E

C.C. N 423,460.720 E 2,255,422.697

P.T. Station 11+01.29 N 423,597.764 E 2,255,352.449

P.C. Station 10+13.55 N 423,538.225 E 2,255,289.622

Mid. Ord. = 6.206

Long Chord = 86.557

External = 6.467

Radius = 154.000

Length = 87.739

Tangent = 45.096

Degree = 37° 12' 18.19"

Delta = 32° 38' 36.41" (RT)

P.I. Station 10+58.65 N 423,577.193 E 2,255,312.318

Curve SUB-1

Course from 200 to PC SUB-1 N 30° 13' 01.01" E Dist 13.551

Point 200 N 423,526.515 E 2,255,282.802 Sta 10+00.00

Beginning chain SUB description

CHAIN SUB

Ending chain S377 description

Point 101 N 423,267.173 E 2,255,650.386 Sta 48+32.17

Course from PT S377-1 to 101 S 53° 11' 02.47" E Dist 230.202

Chord Bear = S 61° 55' 45.09" E

Ahead = S 53° 11' 02.47" E

Back = S 70° 40' 27.71" E

C.C. N 421,876.156 E 2,254,321.617

P.T. Station 46+01.97 N 423,405.121 E 2,255,466.094

P.C. Station 40+18.96 N 423,678.400 E 2,254,953.659

Mid. Ord. = 22.203

Long Chord = 580.750

External = 22.465

Radius = 1,909.859

Length = 583.011

Tangent = 293.791

Degree = 3° 00' 00.00"

Delta = 17° 29' 25.24" (RT)

P.I. Station 43+12.75 N 423,581.174 E 2,255,230.895

Curve S377-1

Course from 100 to PC S377-1 S 70° 40' 27.71" E Dist 265.051

Point 100 N 423,766.115 E 2,254,703.543 Sta 37+53.91

Beginning chain S377 description

CHAIN S377

48.89

60.96

51.79

52.94

63.05

L

L

CP 11

CP 30

CP 31

(SURVEY NAIL AND WASHER)

APPROX. 2.2' RIGHT C SUBURBAN LN. STA. 16+19.96

TBM 1

TBM 3

L

L

(CPS 5RBR w/CSE ALUM CAP)

APPROX. 38.8' RIGHT C SUBURBAN LN.

(RR SPIKE IN u/p #248120)

APPROX. 23.2' RIGHT C SUBURBAN LN. STA. 10+38.96

(RR SPIKE IN 8" HICKORY)

APPROX. 39.2' RIGHT C SUBURBAN LN.

(CPS 5RBR w/CSE ALUM CAP)

APPROX. 545.8' RIGHT C SUBURBAN LN. STA. 12+92.97

PROJECT SCALE FACTOR - 0.9998647520

423,887.297 2,255,806.548

423,485.573 2,255,306.040

423,199.514 2,255,771.982

423,954.410 2,255,817.670

2,255,320.490423,545.480

DESCRIPTION OF REVISIONDATEBYREV. NO.

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HDR ENGINEERING INC.

OF THE CAROLINAS

COLUMBIA, SC, 29201

803-509-6600

SUITE 800

1201 MAIN STREET

3 S.C.

STATE COUNTY PROJECT ID

NO.

SHEET

NO.

ROAD/ROUTE

IMPROVEMENTS PROJECT

DORCHESTER COUNTY

SUBURBAN LANE

IE

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IE

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C

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.6

P

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.5

IE

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8'

EN

D N

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FO

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C M P

5RBR"

4RBR"

1" OT

5RBR"

AXLE" BENT

5RBR"

5RBR"

WV

GAS

PP

PP

STOP

PP

MB

MB

MB

TP

GP

33" OAK

26" OAK

42" OAK

PP

FH NP

WV

GV

WV

T

6" RBR

5RBR"

DO NOT ENTER ONESPEED LIMIT

IE: 58.68' IE: 58.79'

18" R.C.P.

TREE DRIPLINE

24" & > D.B.H.

TREE DRIPLINE

24" &

> D.B.H. TREE DRIPLINE

24" & > D.B.H.

4RB"

5RB" w/CSE CAP

1OT"

GP

GP

GP

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STATE COUNTY PROJECT ID

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1" =

1" =

HORIZ.

VERT.

50'

10'

SCALE

25 50 1000

50'PLAN SCALE 1" =

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OF THE CAROLINAS

COLUMBIA, SC, 29201

803-509-6600

SUITE 800

1201 MAIN STREET

P123456

DESCRIPTION OF REVISIONDATEBYREV. NO.

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DATE

ROADWAY PLAN AND PROFILE

IMPROVEMENT PROJECT

DORCHESTER COUNTY

SUBURBAN LANE

DORCHESTER SUBURBAN LN.

P C 40+

18.96

PT=46+01.97

P C .5

P O

T .0

P T .2

P C

.3

8 15

P T .8

P O

T .9

F20F20 C22 C24 C21 C21

F18 F20 F26

F20

F19 F18

F24 F19

F18

F2

C27 C28 C26 C26 C27 C27 C27 C26

.4

.0

.3

.1

.0

.2

.7

.6

.6

.8

.1

.7

.5

.3

.0

.6

.0

.3

.3

.0

.1

.0

.4

.7

.4

.2

K = 129

50' V.C.

VPI = 15+50.00

Elev. = 48.50

(-) 0.40% (-) 0.01%

Elev. = 48.90

VPI = 14+50.00

(-) 1.78% (-) 0.40%

K = 109

150' V.C.

.5

V

P T

.6

V

P C

.4

.1

V

P T

.0

V

P C

200' V.C.

K = 83

(-) 1.78%

VPI = 12+25.00

Elev. = 52.90

(-) 4.18%

VPI = 10+60.00

Elev. = 59.80

K = 23

30' V.C.

30' V.C.

K = 9

.7

V

P C

.1

V

P T

.6

V

P C

(-) 1.67%

VPI = 10+12.00

Elev. = 61.83

(-) 2.14%

VPI = 10+30.00

Elev. = 61.45

(-) 5.49%

11+0010+00 12+00 13+00 14+00 15+00 16+00

.2

V

P C

18" RCP

48" RCP

.0

.0 .9

.6

R 30'

R 30'

.0

.0

SUBURBAN LANE

SURVEY STA 10+12.00

BEGIN CONSTRUCTION

SUBURBAN LANE

SURVEY STA 16+19.96

END CONSTRUCTION

YELLOW LINES

APPLY 4" SOLID DOUBLE

WHITE PAVEMENT STOPLINE

APPLY 18' OF 24"

SLP. = 3.33%

FL IN = 44.20 FL OUT = 44.00

PLACE 6 LF 18" SWP

PIPE NP-0610

(RETAIN)

EXIST. 18" PIPE

SLP. = 4.00%

FL IN = 42.40 FL OUT = 42.00

PLACE 10 LF 18" SWP

PIPE NP-0612

SLP. = 1.79%

FL IN = 44.50 FL OUT = 44.00

PLACE 28 LF 18" SWP

PIPE NP-0614

(REMOVE)

EXIST. 42" PIPE

(REMOVE)

EXIST. 18" PIPE

SLP. = 4.17%

FL IN = 42.00 FL OUT = 40.00

PLACE 48 LF 48" SWP

PIPE NP-0620

SEE EC DATA SHEET FOR DETAILS.

PLACE SEDIMENT TUBES IN DITCH.

CONST. 2' FLAT BOTTOM DITCH.

FILTER (TYPE F)

PLACE INLET STRUCTURE

CONST. TYPE 9 MH

CB-0614

FILTER (TYPE F)

PLACE INLET STRUCTURE

CONST. TYPE 9 MH

CB-0612

SLP. = 2.78%

FL IN = 44.00 FL OUT = 42.00

PLACE 72 LF 18" SWP

PIPE NP-0616

FILTER (TYPE F)

PLACE INLET STRUCTURE

CONST. TYPE 9 MH

CB-0616

TIE TO EXIST. PIPE.

TOP = PROP GROUND.

CONST. MANHOLE

MH-0618

(RETAIN)

EXIST. 18" PIPE

SLP. = 3.13%

FL IN = 45.00 FL OUT = 44.50

PLACE 16 LF 18" SWP

PIPE NP-0618

(CLASS II) TYPE B

AND 9 SY GEOTEXTILE FABRIC

PLACE 7 TONS RIPRAP CLASS B

(CLASS II) TYPE B

AND 62 SY GEOTEXTILE FABRIC

PLACE 47 TONS RIPRAP CLASS B

FILTER (TYPE F)

PLACE INLET STRUCTURE

CONST. TYPE 9 MH

CB-0610

STA. 10+12.00 TO STA. 16+19.96

ALIGNMENT CONTROL CAN BE FOUND ON SHEET 5A

SUBURBAN LANE

BE CLASS III RCP PER SCDOT STANDARD DRAWING 714-205-01.

1. ALL PROPOSED PIPES ALONG SUBURBAN LANE SHOULD

PLAN NOTE:

IN ACCORDANCE WITH THE SCDOT STANDARD DRAWINGS.

AND OTHER AREAS WITHIN ROW SHOWN WITH FILL SLOPES,

"NPDES" LINES SHOWN ON THE PROJECT DRAINAGE SHEETS,

SILT FENCE SHALL BE PLACED AT THE LOCATION OF THE

.0

.9

BOR. EXC. 0

EXC. 531

TOT.

EXC.

TOT.

WASTE

S. TOT.

40%

EMB.

WASTE 314 C.Y. OFFSITE

WASTE 314 C.Y. AS FOLLOWS:

WATER

SEWER

GAS

TELECOMMUNICATIONS

POWER

UTILITY OWNERS

AND ALL SIDE ROADS.

THE EXISTING CENTERLINES OF SUBURBAN LN.

EXISTING RIGHT-OF-WAY IS REFERENCED FROM 2.

ALL SIDE ROADS.

EXISTING CENTERLINES OF SUBURBAN LN. AND

NEW RIGHT-OF-WAY IS REFERENCED FROM THE 1.

RIGHT-OF-WAY NOTES:

DOMINION

DOMINION

SPECTRUM

AT&T

OF PUBLIC WORKS

SUMMERVILLE COMMISIONERS

OF PUBLIC WORKS

SUMMERVILLE COMMISIONERS

EXISTING GROUND

FINISHED GRADE

NEW 20' R/W

NEW R/W=PL NEW R/

W=PL

NEW 20' R/W

(S C

D

T

N O

.3

)J .W .L

P R E S .3

R

W

(S C

D

T

N O

.3

)J .W .L

P R E S .3

R

W

S

C D

T

N O

.3

J .W .L

P R

E S .3

R

W

S

C D

T

N O

.3

J .W .L

P R

E S .3

R

W

20.00

+71.23

37.27

+05.61

20.00

+18.8320.00

+38.18

38.99

+32.39

40.74

+67.24

71.19

+27.48

34.22

+42.87

EASEMENT

NEW UTILITY

EASEMENT

NEW UTILITY

SUBURBAN LN.

R D . S -1 -3 (M

IL

E S

JA

M

IS

O N R

D

CONSTRUCTION NOTES

CONSTRUCTION SEQUENCE NOTES

CONSTRUCTION SEQUENCE

SEDIMENT & EROSION CONTROL

SCDHEC STANDARD NOTES

(EROSION CONTROL PLANS)

GENERAL CONSTRUCTION NOTES

BE HELD ON-SITE UNLESS THE DEPARTMENT HAS APPROVED OTHERWISE.

IMPLEMENTATION OF CONSTRUCTION ACTIVITIES. FOR NON-LINEAR PROJECTS THAT DISTURB 10 ACRES OR MORE, THIS CONFERENCE MUST

18. A PRE-CONSTRUCTION CONFERENCE MUST BE HELD FOR EACH CONSTRUCTION SITE WITH AN APPROVED ON-SITE SWPPP PRIOR TO THE

SWPPP AND ALTERNATIVE BMPS MUST BE IMPLEMENTED AS SOON AS REASONABLY POSSIBLE.

PRACTICABLE. IF IMPLEMENTATION BEFORE THE NEXT STORM EVENT IS IMPRACTICABLE, THE SITUATION MUST BE DOCUMENTED IN THE

AND/OR SC'S WATER QUALITY STANDARDS, IMPLEMENTATION MUST BE COMPLETED BEFORE THE NEXT STORM EVENT WHENEVER

17. IF EXISTING BMPS NEED TO BE MODIFIED OR IF ADDITIONAL BMPS ARE NECESSARY TO COMPLY WITH REQUIREMENTS OF THIS PERMIT

AND MUST BE CONDUCTED UNTIL FINAL STABILIZATION IS REACHED ON ALL AREAS OF THE CONSTRUCTION SITE.

16. AFTER CONSTRUCTION ACTIVITIES BEGIN, INSPECTIONS MUST BE CONDUCTED AT A MINIMUM OF AT LEAST ONCE EVERY CALENDAR WEEK

-SOAPS OR SOLVENTS USED IN VEHICLE AND EQUIPMENT WASHING.

-FUELS, OILS, OR OTHER POLLUTANTS USED IN VEHICLE AND EQUIPMENT OPERATION AND MAINTENANCE; AND

CONSTRUCTION MATERIALS;

-WASTEWATER FROM WASHOUT OF WASHOUT AND CLEANOUT OF STUCCO, PAINT, FORM RELEASE OILS, CURING COMPOUNDS AND OTHER

-WASTEWATER FROM WASHOUT OF CONCRETE, UNLESS MANAGED BY AN APPROPRIATE CONTROL;

15. THE FOLLOWING DISCHARGES FROM SITES ARE PROHIBITED:

ROUTED THROUGH APPROPRIATE BMPS (SEDIMENT BASIN, FILTER BAG, ETC.)

14. MINIMIZE THE DISCHARGE OF POLLUTANTS FROM DEWATERING OF TRENCHES AND EXCAVATED AREAS. THESE DISCHARGES ARE TO BE

PRIOR TO DISCHARGE.

WASH WATERS MUST BE TREATED IN A SEDIMENT BASIN OR ALTERNATIVE CONTROL THAT PROVIDES EQUIVALENT OR BETTER TREATMENT

13. MINIMIZE THE DISCHARGE OF POLLUTANTS FROM EQUIPMENT AND VEHICLE WASHING, WHEEL WASH WATER, AND OTHER WASH WATERS.

12. MINIMIZE SOIL COMPACTION AND, UNLESS INFEASIBLE, PRESERVE TOPSOIL.

PERMANENTLY OR TEMPORARILY CEASED, AND WILL NOT RESUME FOR A PERIOD OF 7 CALENDAR DAYS.

11. INITIATE STABILIZATION MEASURES ON ANY EXPOSED STEEP SLOPE (3H:1V OR GREATER) WHERE LAND-DISTURBING ACTIVITIES HAVE

THE DATE THAT FINAL STABILIZATION IS REACHED.

LOCATION EASILY ACCESSIBLE DURING NORMAL BUSINESS HOURS, FROM THE DATE OF COMMENCEMENT OF CONSTRUCTION ACTIVITIES TO

10. A COPY OF THE SWPPP, INSPECTION RECORDS, AND RAINFALL DATA MUST BE RETAINED AT THE CONSTRUCTION SITE OR A NEARBY

BECOMING A POLLUTANT SOURCE IN STORM WATER DISCHARGES.

OF FRESHLY TREATED LUMBER) AND CONSTRUCTION CHEMICALS THAT COULD BE EXPOSED TO STORM WATER MUST BE PREVENTED FROM

9. LITTER, CONSTRUCTION DEBRIS, OILS, FUELS, AND BUILDING PRODUCTS WITH SIGNIFICANT POTENTIAL FOR IMPACT (SUCH AS STOCKPILES

DISTURBED AREA AND ALL WOS. A 10-FOOT BUFFER SHOULD BE MAINTAINED BETWEEN THE LAST ROW OF SILT FENCE AND ALL WOS.

DOUBLE ROW OF SILT FENCE IS TO BE INSTALLED IN ALL AREAS WHERE A 50-FOOT BUFFER CAN'T BE MAINTAINED BETWEEN THE

8. ALL WATERS OF THE STATE (WOS), INCLUDING WETLANDS, ARE TO BE FLAGGED OR OTHERWISE CLEARLY MARKED IN THE FIELD. A

UPSLOPE RUNOFF AND/OR TO DIVERT SEDIMENT-LADEN WATER TO APPROPRIATE TRAPS OR STABLE OUTLETS.

7. TEMPORARY DIVERSION BERMS AND/OR DITCHES WILL BE PROVIDED AS NEEDED DURING CONSTRUCTION TO PROTECT WORK AREAS FROM

AREAS AND THE GENERATION OF DUST. THE CONTRACTOR SHALL DAILY REMOVE MUD/SOIL FROM PAVEMENT AS MAY BE REQUIRED.

6. THE CONTRACTOR MUST TAKE NECESSARY ACTION TO MINIMIZE THE TRACKING OF MUD ONTO PAVED ROADWAY(S) FROM CONSTRUCTION

REMOVED ONCE CONSTRUCTION IS COMPLETE AND THE SITE IS STABILIZED.

DURING CONSTRUCTION IN ORDER TO CONTROL EROSION AND/OR OFFSITE SEDIMENTATION. ALL TEMPORARY CONTROL DEVICES SHALL BE

ALL CONSTRUCTION ACTIVITIES AND ALL DISTURBED AREAS HAVE BEEN STABILIZED. ADDITIONAL CONTROL DEVICES MAY BE REQUIRED

5. ALL EROSION CONTROL DEVICES SHALL BE PROPERLY MAINTAINED DURING ALL PHASES OF CONSTRUCTION UNTIL THE COMPLETION OF

TRENCHING, THE WATER SHOULD BE FILTERED TO REMOVE ANY SEDIMENTS BEFORE BEING PUMPED BACK INTO ANY WATERS OF THE STATE.

INSTALLATION. FILL, COVER, AND TEMPORARY SEEDING AT THE END OF EACH DAY ARE RECOMMENDED. IF WATER IS ENCOUNTERED WHILE

CONSTRUCTION. ALL DISTURBED AREAS SHALL BE CLEANED, GRADED, AND STABILIZED WITH GRASSING IMMEDIATELY AFTER THE UTILITY

4. PROVIDE SILT FENCE AND/OR OTHER CONTROL DEVICES, AS MAY BE REQUIRED, TO CONTROL SOIL EROSION DURING UTILITY

NECESSARY REPLACEMENT OR MODIFICATION REQUIRED TO CORRECT THE BMP WITHIN 48 HOURS OF IDENTIFICATION.

INFORMATION INDICATES THAT A BMP HAS BEEN INAPPROPRIATELY, OR INCORRECTLY CONSTRUCTED, THE PERMITTEE MUST ADDRESS THE

3. ALL SEDIMENT AND EROSION CONTROL DEVICES SHALL BE INSPECTED ONCE EVERY CALENDAR WEEK. IF PERIODIC INSPECTION OR OTHER

RESUMED WITHIN 14 DAYS. TEMPORARY STABILIZATION MEASURES DO NOT HAVE TO BE INITIATED ON THAT PORTION OF THE SITE.

-WHERE CONSTRUCTION ACTIVITY ON A PORTION OF THE SITE IS TEMPORARILY CEASED, AND EARTH-DISTURBING ACTIVITIES WILL BE

MUST BE INITIATED AS SOON AS PRACTICABLE.

-WHERE STABILIZATION BY THE 14th DAY IS PRECLUDED BY SNOW COVER OR FROZEN GROUND CONDITIONS STABILIZATION MEASURES

STATED BELOW.

HAVE TEMPORARILY OR PERMANENTLY CEASED, BUT IN NO CASE MORE THAN FOURTEEN (14) DAYS AFTER WORK HAS CEASED, EXCEPT AS

2. STABILIZATION MEASURES SHALL BE INITIATED AS SOON AS PRACTICABLE IN PORTIONS OF THE SITE WHERE CONSTRUCTION ACTIVITIES

MAY BE NEEDED UNTIL THE SLOPE IS BROUGHT TO GRADE.

ADDITION TO HYDROSEEDING. IT MAY BE NECESSARY TO INSTALL TEMPORARY SLOPE DRAINS DURING CONSTRUCTION. TEMPORARY BERMS

1. IF NECESSARY, SLOPES, WHICH EXCEED EIGHT (8) VERTICAL FEET SHOULD BE STABILIZED WITH SYNTHETIC OR VEGETATIVE MATS, IN

13. SUBMIT NOTICE OF TERMINATION (NOT) TO SCDHEC/SCDOT AS APPROPRIATE.

APPROVE THE REMOVAL OF TEMPORARY STRUCTURES).

STABILIZED. (IT IS RECOMMENDED THAT THE PROJECT OWNER/OPERATOR HAVE THE SWPPP PREPARER OR REGISTRATION EQUIVALENT

12. REMOVAL OF TEMPORARY SEDIMENT AND EROSION CONTROL MEASURES AFTER ENTIRE AREA DRAINING TO THE STRUCTURE IS FINALLY

11. PERMANENT/FINAL STABILIZATION.

10. FINE GRADING, PAVING, ETC.

9. INSTALL STORM DRAINAGE SYSTEMS AS ALLOWED. INSTALL INLET PROTECTION, CLEAN OUT AS NECESSARY.

8. ROUGH GRADING

BE INSTALLED).

7. CLEARING AND GRUBBING OF SITE OR DEMOLITION. (SEDIMENT AND EROSION CONTROL MEASURES FOR THESE AREAS MUST ALREADY

6. INSTALLATION OF PERIMETER CONTROLS (E.G. SILT FENCE).

5. CLEARING AND GRUBBING ONLY AS NECESSARY FOR INSTALLATION OF PERIMETER CONTROLS.

4. INSTALLATION OF CONSTRUCTION ENTRANCE(S).

3. NOTIFY SCDHEC/SCDOT OFFICE 48 HOURS PRIOR TO BEGINNING LAND-DISTURBING ACTIVITIES.

2. PRE-CONSTRUCTION MEETING (ON-SITE IF MORE THAN 10 ACRES DISTURBED AND NON-LINEAR).

1. RECEIVE NPDES COVERAGE FROM SCDHEC.

CONSTRUCTION ENGINEER.

INFORMATION. THE CONTRACTOR SHALL MAINTAIN BARRIER FENCE FOR THE DURATION OF THE PROJECT AS DETERMINED BY THE RESIDENT

FLAGGING SHALL BE PLACED PRIOR TO ANY LAND DISTURBANCE ACTIVITIES. REFER TO THE PROJECT SPECIFICATIONS FOR ADDITIONAL

STATE, CULTURAL RESOURCE AREAS, AND OTHER ENVIRONMENTAL SENSITIVE AREAS WITHIN THE PROJECT CORRIDOR. THE FENCE AND

THE CONTRACTOR SHALL INSTALL AND MAINTAIN A BARRIER FENCE TO MARK ALL BOUNDARIES OF JURISDICTIONAL WATERS OF THE

6. BARRIER FENCE

OBTAINED.

PERMANENTLY CEASED. ALL SEDIMENT AND EROSION CONTROL MEASURES SHALL BE MAINTAINED UNTIL FINAL STABILIZATION HAS BEEN

STATED WITHIN THE NPDES GENERAL CONSTRUCTION PERMIT IN PORTIONS OF THE SITE WHERE ACTIVITIES HAVE TEMPORARILY OR

CONSTRUCTION PERMIT. STABILIZATION MEASURES SHALL BE IMPLEMENTED AS SOON AS PRACTICABLE WITHIN THE ALLOWABLE TIME FRAME

ALL SEDIMENT AND EROSION CONTROL MEASURES SHALL BE INSPECTED ACCORDING TO THE REQUIREMENTS OF THE NPDES GENERAL

5. INSPECTION AND IMPLEMENTATION

POINTS OF ACCESS TO PROPERTY.

THAT SLOPE AWAY FROM THE PROJECT. SILT FENCE SHALL NOT BE PLACED IN A POSITION SUCH THAT IT BLOCKS DRIVEWAYS OR

SILT FENCE MAY BE PLACED AT LOCATIONS WHERE SEDIMENT LEAVES THE PROJECT LIMITS ESPECIALLY AT THE TOE OF FILL SLOPES

4. PERIMETER EROSION CONTROL DEVICES

BE IMPLEMENTED DURING ALL STAGES OF CONSTRUCTION.

EROSION CONTROL FEATURES SHALL BE IN PLACE PRIOR TO GROUND DISTURBING ACTIVITY BEGINS. EROSION CONTROL MEASURES SHALL

ALL EROSION CONTROL MEASURES ON THIS PROJECT SHALL BE IMPLEMENTED AS DETAILED ON THE PLANS. SILT FENCE AND OTHER

3. EROSION CONTROL MEASURES

SEEDING SHALL BE ACCOMPLISHED ACCORDING TO S.C.D.O.T. SUPPLEMENTAL TECHNICAL SPECIFICATION "SEEDING-SC-M-810 (LATEST EDITION)."

2. SEEDING

CLEARING AND GRUBBING ACTIVITIES.

STRUCTURES AND INSTALL THE SEDIMENT CONTROL STRUCTURES AND ALL OTHER PERIMETER EROSION CONTROL MEASURES PRIOR TO

THE CONTRACTOR WILL BE REQUIRED TO CLEAR ALL AREAS NECESSARY FOR THE CONSTRUCTION OF ANY SEDIMENT CONTROL

1. CLEARING AND GRUBBING

CONTROLS ARE REMOVED.

MAINTENANCE OF SEDIMENT AND EROSION CONTROL MEASURES MUST CONTINUE UNTIL THE SITE IS PERMANENTLY STABILIZED AND THE

MUST BE INSTALLED BEFORE THOSE AREAS ARE DISTURBED AND SHOULD BE SHOWN ON THE PLANS.

ACTIVITIES BEGIN ON THE SITE. SEDIMENT AND EROSION CONTROL MEASURES FOR THE DISTURBED AREAS FOR THE DIVERSION/PIPING

FLOWS FROM OFFSITE AREAS, THE DIVERSIONS/PIPING FOR THE OFFSITE FLOWS MUST BE INSTALLED BEFORE LAND-DISTURBING

IF FLOWS FROM OFFSITE AREAS WILL BE DIVERTED AROUND THE SITE AND THE ON-SITE STRUCTURES ARE NOT DESIGNED TO HANDLE

ITEMS THAT HAVE ALREADY OCCURRED AND THE ITEMS THAT WILL BE OCCURRING AFTER NPDES COVERAGE IS ISSUED.

COMPLY, NOTICE OF VIOLATION, OR ENFORCEMENT ACTION), THEN THE CONSTRUCTION SEQUENCE MUST SPECIFICALLY INDICATE THE

IF NPDES COVERAGE IS BEING ISSUED AFTER LAND-DISTURBING ACTIVITIES HAVE ALREADY STARTED (E.G. IN RESPONSE TO A NOTICE TO

EC1

EROSION CONTROL NOTES

DESCRIPTION OF REVISIONDATEBYREV. NO.

TOPO.

DWG.

R/W

DATE

UTH CAROLINA

C E

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IF

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OF THE CAROLINAS

INC.

HDR ENGINEERING

No. C0318

J

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HDR ENGINEERING INC.

OF THE CAROLINAS

COLUMBIA, SC, 29201

803-509-6600

SUITE 800

1201 MAIN STREET

3 S.C.

STATE COUNTY PROJECT ID

NO.

SHEET

NO.

ROAD/ROUTE

IMPROVEMENTS PROJECT

DORCHESTER COUNTY

SUBURBAN LANE

60 60

65 65

10+50.00

60 60

11+00.00

55 55

60 60

11+50.00

55 55

12+00.00

55 55

12+50.00

SUBURBAN LANE

SURVEY STA. 10+12.00 BEGIN CONST.

22 2

2 1

13 8

2 9

23 6

38 4

6 9

31 4

4 7

5'

X1_XS_Sheet_10x5

NO.

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INC.

HDR ENGINEERING

No. C0318

J

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OF THE CAROLINAS

INC.

HDR ENGINEERING

No. C0318

1.

0.020 FT./FT.0.020 FT./FT.

.6

2:1

2:1 30:1 30:110:1 10:12:1

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NEW

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FL OUT = 40.00

SLP. = 4.17%

FL IN = 42.00

40 40

45 45

50 50

15+50.00

35 35

40 40

45 45

50 50

16+00.00

16+02.41

0 0

SUBURBAN LANE

SURVEY STA. 16+19.96 END CONST.

23 5

19 2

8 6

7 1

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X1_XS_Sheet_10x5

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:4

70 70

70 70

50 50

50 50

20 10 10 20

10 10 2020 80

80 60

60 60

5'

S-38WILLIAMSBURG P039573 X3

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UTH CAROLINA

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OF THE CAROLINAS

INC.

HDR ENGINEERING

No. C0318

.2

0.020 FT./FT.0.020 FT./FT. 4

.5

2:1 30:1 2:130:110:1 10:1

0.020 FT./FT.0.020 FT./FT. 4

.4

.7

2:1 30:1 2:130:110:110:1

.6

30:1 10:1 0.020 FT./FT.

.4

0.020 FT./FT. 30:110:12:1

2:1

FL IN = 44.50 FL OUT = 44.00

SLP. = 1.79%