Candler_EC Improvements Plans_050625.pdf

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Attached to
Candler County Landfll_ Erosion Control Improvements_RFP2025-12
Solicitation number
PE-77202-NONST-2025-000000014
Issued by
Candler County, Georgia

About this file

The document is a set of engineering plans for Erosion Control Improvements at the Candler County S.R. 121 Phase 2 Municipal Solid Waste (MSW) Landfill, prepared for the Candler County Board of Commissioners in Candler County, Georgia. The project involves comprehensive erosion control and stormwater management improvements, including installing approximately 1,000 linear feet of side slope tack-on stormwater diversion berms, 156 linear feet of 24-inch culvert pipe stormwater downdrains and inlets, 910 linear feet of grassed-lined ditches with excelsior matting, and stabilizing approximately 2 acres with clayey soil cover, topsoil, and permanent grassing. The plans are dated May 2025 and are marked as preliminary documents for bidding purposes only.

The project will be engineered by Hodges, Harbin, Newberry & Tribble, Inc., located in Macon, Georgia, with the landfill site situated at 642 Landfill Road in Metter, Georgia. The improvements are designed to enhance stormwater management, prevent erosion, and improve the existing landfill infrastructure. Key site features include existing leachate and sediment ponds, groundwater and methane monitoring wells, and a closed Construction & Demolition (C&D) landfill area. The contractor will be responsible for protecting existing utilities, monitoring wells, and managing stormwater throughout the project duration. The plans include detailed specifications for soil stabilization, drainage systems, and erosion control measures, with specific requirements for compaction, matting, and vegetative cover.

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LEGEND

PROPERTY LINE

UNDISTURBED PROPERTY BUFFER

EXISTING EDGE OF CELL

EXISTING 2' CONTOUR

EXISTING 10' CONTOUR

EXISTING UNPAVED ROAD

EXISTING SOLID LEACHATE PIPE

EXISTING LEACHATE FORCE MAIN

EXISTING LEACHATE MANHOLE

EXISTING STORM DRAINAGE PIPE

EXISTING GROUNDWATER MONITORING WELL

EXISTING METHANE MONITORING PROBE

PROPOSED STORM DRAINAGE PIPE

PROPOSED SIDE SLOPE DIVERSION BERM

PROPOSED DITCH CENTERLINE

PROPOSED DOWNDRAIN AND INLETS

PROPOSED RIP-RAP OUTLET PROTECTION

L L L

FM FM FM

MH

GWC-2

MM-10

PROJECT SITE LOCATION

SCALE: 1" = 1 MILE

REVISION HISTORY

DATE DESCRIPTION

S.C. CORPORATE LICENSE NO. C-00614

MAY 2025

EROSION CONTROL IMPROVEMENTS

CANDLER COUNTY S.R. 121 PHASE 2 MSW LANDFILL

FOR

CANDLER COUNTY BOARD OF COMMISSIONERS

CANDLER COUNTY, GEORGIA

OWNER/OPERATOR

CANDLER COUNTY BOARD OF COMMISSIONERS

1075 E HIAWATHA ST., SUITE A

METTER, GA 30439

CONTACT: BRYAN AASHEIM

(912) 685-2835

BAASHEIM@CANDLERCO-GA.GOV

INDEX TO DRAWINGS

SHEET NO. DESCRIPTION

- TITLE SHEET

1 EXISTING CONDITIONS

2 EROSION CONTROL IMPROVEMENTS SITE PLAN

3 MISCELLANEOUS DETAILS

SHEETS

SITE ADDRESS

842 LANDFILL ROAD

METTER, GA 30439

SITE CONTACT: ROBERT HENDRIX

(912) 685-2822

CANCO@PINELAND.NET

HODGES, HARBIN, NEWBERRY & TRIBBLE, INC.

3920 ARKWRIGHT ROAD, SUITE 101

MACON, GEORGIA 31210

(478) 743-7175

PROPERTY BOUNDARY

230230

EXISTING

AREA 1 & 2

EXISTING

AREA 3

FM

FM

FM

FM

FM

FM

FM

FM

FM

FM

L

L

L

L

L

L L

L

L

L

L

L

L

L

L

L

EXISTING

LEACHATE POND

EXISTING

SEDIMENT POND

MH

MH

MH

MH

GWC-5

GWC-3

GWC-2

GWC-4 (C&D)

MM-6 (C&D)

MM-9

GWC-7

MM-2

GWC-6

MM-3

GWB-1

MM-10

MM-4

GWC-4

MM-5

MM-7

MM-8

GWC-1

MM-1

CLOSED CANDLER

COUNTY C&D LANDFILL

SHEET OF

3920 ARKWRIGHT RD.

(478) 743-7175

PROJ. NO.

SCALE

DATE

DWG.

MACON, GEORGIA 31210(478) 743-7175 (FAX)

SUITE 101

EROSION CONTROL IMPROVEMENTS

CANDLER COUNTY S.R. 121 PHASE 2 MSW LANDFILL

FOR

CANDLER COUNTY BOARD OF COMMISIONERS

CANDLER COUNTY, GEORGIA

PRELIMINARY - FOR

BIDDING PURPOSES ONLY

1716-010-01

MAY 2025

CANDLER-2024 EC IMP

EXISTING UNPAVED

ACCESS ROAD (TYP.)

EXISTING EDGE

OF CELL (TYP.)

EXISTING OVERFLOW

STRUCTURE (TYP.)

EXISTING STORMWATER

DRAINAGE PIPE (TYP.)

EXISTING LEACHATE

GRAVITY PIPE (TYP.)

EXISTING LEACHATE

MANHOLE (TYP.)

EXISTING LEACHATE

FORCE MAIN (TYP.)

EXISTING GROUNDWATER

MONITORING WELL (TYP.)

EXISTING METHANE

MONITORING PROBE (TYP.)

EXISTING PROPERTY

LINE (TYP.)

EXISTING 200' UNDISTURBED

PROPERTY BUFFER (TYP.)

GRAPHIC SCALE IN FEET

50 25 50 1000

GENERAL NOTES:

1. EXISTING TOPOGRAPHIC CONDITIONS PROVIDED BY SURVEYING AND

MAPPING, LLC FROM AN AERIAL SURVEY DRAWING ENTITLED "2024-07-25

CANDLER" DATED: JULY 25, 2024.

2. PERMITTED PROPERTY LINE AND BUFFER OBTAINED FROM CURRENT

DESIGN AND OPERATIONS PLAN PREPARED BY HODGES, HARBIN,

NEWBERRY AND TRIBBLE, INC. LAST REVISED APRIL 2020.

3. EXISTING GROUNDWATER WELLS, LEACHATE CONVEYANCE SYSTEM, AND

ALL OTHER UTILITIES OBTAINED FROM CURRENT DESIGN AND OPERATIONS

PLAN PREPARED BY HODGES, HARBIN, NEWBERRY AND TRIBBLE, INC. LAST

REVISED APRIL 2020.

4. THE CONTRACTOR SHALL PROTECT ALL EXISTING GROUNDWATER AND

METHANE MONITORING WELLS IN THE PROJECT AREA. ANY DAMAGED

WELLS TO BE REPLACED BY THE CONTRACTOR AT THE CONTRACTOR'S

EXPENSE.

5. CONTRACTOR IS RESPONSIBLE FOR ALL STORMWATER MANAGEMENT

THROUGHOUT THE DURATION OF THE PROJECT.

EROSION CONTROL IMPROVEMENTS SITE PLAN

1" = 50'

N

230230

EXISTING

AREA 1 & 2

EXISTING

AREA 3

FM

FM

FM

FM

FM

FM

FM

FM

FM

FM

L

L

L

L

L

L L

L

L

L

L

L

L

L

L

L

EXISTING

LEACHATE POND

EXISTING

SEDIMENT POND

MH

MH

MH

MH

GWC-5

GWC-3

GWC-2

GWC-4 (C&D)

MM-6 (C&D)

MM-9

GWC-7

MM-2

GWC-6

MM-3

GWB-1

MM-10

MM-4

GWC-4

MM-5

MM-7

MM-8

GWC-1

MM-1

CLOSED CANDLER

COUNTY C&D LANDFILL

SHEET OF

3920 ARKWRIGHT RD.

(478) 743-7175

PROJ. NO.

SCALE

DATE

DWG.

MACON, GEORGIA 31210(478) 743-7175 (FAX)

SUITE 101

EROSION CONTROL IMPROVEMENTS

CANDLER COUNTY S.R. 121 PHASE 2 MSW LANDFILL

FOR

CANDLER COUNTY BOARD OF COMMISIONERS

CANDLER COUNTY, GEORGIA

PRELIMINARY - FOR

BIDDING PURPOSES ONLY

1716-010-01

MAY 2025

CANDLER-2024 EC IMP

EXISTING UNPAVED

ACCESS ROAD (TYP.)

EXISTING EDGE

OF CELL (TYP.)

EXISTING OVERFLOW

STRUCTURE (TYP.)

EXISTING STORMWATER

DRAINAGE PIPE (TYP.)

EXISTING LEACHATE

GRAVITY PIPE (TYP.)

EXISTING LEACHATE

MANHOLE (TYP.)

EXISTING LEACHATE

FORCE MAIN (TYP.)

PROPOSED SIDE SLOPE TACK-ON

STORMWATER DIVERSION BERM

(± 1,000 LF) (TYP.)

PROPOSED 24" CPP STORMWATER

DOWNDRAIN AND INLETS (± 156 LF) (TYP.)

APPROXIMATE AREA TO BE COVERED

WITH 6" OF CLAYEY SOIL COVER AND

6" OF TOPSOIL (± 2.00 AC)

GRASSED LINED DITCH W/ EXCELSIOR

MATTING INCLUDING CLEANING AND

RE-GRADING (± 910 LF)

CONTRACTOR TO REMOVE

EXISTING CMP AND REPLACE WITH

24" SINGLE WALLED CPP (± 20 LF)

EXISTING GROUNDWATER

MONITORING WELL (TYP.)

EXISTING METHANE

MONITORING PROBE (TYP.)

EXISTING PROPERTY

LINE (TYP.)

EXISTING 200' UNDISTURBED

PROPERTY BUFFER (TYP.)

PROPOSED TYPE 3 RIP-RAP

OUTLET PROTECTION (16 SY)

N

GRAPHIC SCALE IN FEET

50 25 50 1000

GENERAL NOTES:

1. EXISTING TOPOGRAPHIC CONDITIONS PROVIDED BY SURVEYING AND

MAPPING, LLC FROM AN AERIAL SURVEY DRAWING ENTITLED "2024-07-25

CANDLER" DATED: JULY 25, 2024.

2. PERMITTED PROPERTY LINE AND BUFFER OBTAINED FROM CURRENT

DESIGN AND OPERATIONS PLAN PREPARED BY HODGES, HARBIN,

NEWBERRY AND TRIBBLE, INC. LAST REVISED APRIL 2020.

3. EXISTING GROUNDWATER WELLS, LEACHATE CONVEYANCE SYSTEM, AND

ALL OTHER UTILITIES OBTAINED FROM CURRENT DESIGN AND OPERATIONS

PLAN PREPARED BY HODGES, HARBIN, NEWBERRY AND TRIBBLE, INC. LAST

REVISED APRIL 2020.

4. THE CONTRACTOR SHALL PROTECT ALL EXISTING GROUNDWATER AND

METHANE MONITORING WELLS IN THE PROJECT AREA. ANY DAMAGED

WELLS TO BE REPLACED BY THE CONTRACTOR AT THE CONTRACTOR'S

EXPENSE.

5. CONTRACTOR IS RESPONSIBLE FOR ALL STORMWATER MANAGEMENT

THROUGHOUT THE DURATION OF THE PROJECT.

6. SIDE SLOPE TACK-ON STORMWATER DIVERSION BERMS SHALL BE FIELD

ADJUSTED AS NECESSARY TO ACHIEVE FINAL FLOW LINE SLOPES BETWEEN

2% AND 4%.

7. CONTRACTOR IS RESPONSIBLE FOR LOCATING EXISTING UTILITIES IN AREA

OF CULVERT REPLACEMENT PRIOR TO CONSTRUCTION. ANDY DAMAGE TO

EXISTING UTILITIES WILL BE THE RESPONSIBILITY OF THE CONTRACTOR.

EROSION CONTROL IMPROVEMENTS SITE PLAN

1" = 50'

INLET

ELEV. 208

INLET

ELEV. 232

X

X

X X

ELEV.

214.51

ELEV.

238.00

ELEV.

238.69

ELEV.

216.10

EROSION CONTROL DEVICES

PROPOSED EXCELSIOR MATTING SLOPE STABILIZATION

DUST CONTROL

EROSION CONTROL SYMBOL LEGEND

DIST. AREA W/ MULCH

DIST. AREA W/

PERMANENT COVER BUFFER ZONE

EROSION CONTROL MATTING

Ds1

Ds3 Bf

Du

STORMWATER DIVERSION BERMSs-RECP

> > PROPOSED TACK-ON STORMWATER DIVERSION BERM

> PROPOSED GRASSED LINED DITCH W/ EXCELSIOR MATTING

PROPOSED RIP-RAP OUTLET PROTECTION

Di

Di

Ds1 Ds3 Ss-RECP

Ds1 Ds3 Ss-RECP

Ds1 Ds3 Ss-RECP

Ds1 Ds3 Ss-RECP

Du

Du

Du

Du

St

Ch-1

Ch-1

St RIP-RAP OUTLET PROTECTION GRASSED LINED DITCH W/

EXCELSIOR MATTING

Bf

Bf

AREA TO BE STABILIZED WITH

EXCELSIOR MATTING AND

PERMANENT GRASSING (± 2.00 AC)

GRASS LINED DITCH WITH EXCELSIOR MATTING

10' MIN.

2' MIN. VARIES

2' TYPICAL

UNLESS OTHERWISE NOTED

LINED STORMWATER DITCH / CHANNEL SECTIONS

SCALE: N.T.S.

NATURAL SUBGRADE

ANCHOR EXCELSIOR MATTING IN 6" TRENCH JOIN BY

OVERLAPPING 18" AND STAKING WITH WOODEN STAKES

OR APPROVED WIRE STAPLES

SECTION VIEW

18" DIA. CPP DOWNDRAIN

18" DIA. INLET, INVERT TO

MATCH DITCH CENTER LINE

TAPER BACK TO 12"

THICK MIN. COVER SOIL

COVER SOIL

OVER TOP OF PIPE

NOTES:

1. SOIL SHALL BE MOUNDED AROUND DOWNDRAIN

PIPE TO PROVIDE A MIN. COVER OF 12".

2. SEE SIDE SLOPE TACK-ON BERM DETAIL.

3. THE BERM HEIGHT AROUND THE DOWNDRAIN

INLET AND PIPE SHALL BE A MINIMUM OF 4 FEET.

SCALE: N.T.S.

(TO BOTTOM OF LANDFILL)

(TO TOP OF LANDFILL)

PLAN VIEW

18" DIA. INLET PIPE

DRAIN LINE FROM SIDE SLOPE

TACK-ON DRAINAGE BERM

TO NEXT INLET OR CAP

18" DIA.

DOWNDRAIN

EROSION

CONTROL LAYER

EXISTING WASTE

STORM WATER

FLOW ARROW (TYP.)

RISER INLET AND DOWNDRAIN FOR

TACK-ON STORMWATER DIVERSION BERM

FLARED END

SECTION (TYP.)

18" DIA. CROSS

1 MAX

3 (MAX)

2.00' MIN.

TACK-ON BERM (COMPACTED TO 95% OF

STANDARD PROCTOR DRY DENSITY)

SOIL BERM SHALL BE LINED WITH

EXCELSIOR MATTING (DOUBLE SIDED)

UNLESS OTHERWISE NOTED

EXISTING WASTE

SIDE SLOPE TACK-ON STORMWATER DIVERSION BERM

SCALE: 1"=5'

INTERMEDIATE COVER

NOTE:

1. SIDE SLOPE BERMS SHALL BE

COMPACTED IN 8" LOOSE LIFTS TO 95%

OF STANDARD PROCTOR DRY DENSITY

2. BERMS SHALL HAVE BETWEEN 2% AND

4% SLOPE TO DOWNDRAIN LOCATIONS.

6" THICK TOP SOIL

6" THICK CLAYEY

SOIL LAYER

3do do

PLAN - FLARED END SECTION

SECTION A-A

La

AA

A

La

SECTION A-A

PLAN - HEADWALL

DITCH BOTTOM

SCALE: N.T.S

RIP-RAP OUTLET PROTECTION

NOTE(S):

1. La IS THE LENGTH OF THE RIPRAP

APRON.

2. D=1.5 TIMES THE MAXIMUM STONE

DIAMETER BUT NOT LESS THAN 6".

3. IN A WELL-DEFINED CHANNEL,

EXTEND THE APRON UP IN THE

DITCH BANKS TO AN ELEVATION OF

6" ABOVE THE MAXIMUM TAILWATER

DEPTH OR TO THE TOP OF THE

BANK, WHICHEVER IS MORE.

4. FILTER GEOTEXTILE TO BE

INSTALLED BETWEEN THE RIP RAP

AND SOIL FOUNDATION.

A

D D

PIPE OUTLET TO WELL DEFINED CHANNELPIPE OUTLET TO FLAT AREA - NO WELL DEFINED CHANNEL

FINISHED GRADE

FINISHED GRADE

MIN. 6 OSY NON-WEOVEN GEOTEXTILE

6" THICK TOP SOIL LAYER

6" THICK CLAYEY SOIL LAYER

REFUSE

12" EROSION

CONTROL LAYER

SIDESLOPE COVER SYSTEM

VEGETATIVE COVER

SCALE: 1"=1'

1'

2H:1V

MAX

IN A 6" TRENCH.

ANCHOR LINING

JOIN STRIPS BY ANCHORING WITH

UNTREATED WOODEN STAKES OR

APPROVED WIRE STAPLES AND

OVERLAPPING 18"

EXCELSIOR (WOOD FIBER) MATTING AND TEMPORARY DRAINAGE DITCH LINING

SCALE: 1"=1'

NOTES:

1. ALL GRASSED DITCHES SHALL BE LINED TEMPORARILY WITH MATTING TO

STABILIZE THE DITCH UNTIL VEGETATIVE COVER IS ESTABLISHED.

2. INSTALL SEED PRIOR TO PLACEMENT OF MATTING

3. STAKE ALL MATS AS NEEDED TO PREVENT SHIFTING

4. INSTALL ALL MATS IN ACCORDANCE WITH THE MANUFACTURE'S

SPECIFICATIONS.

5. FLEXIBLE GROWTH MEDIUM (FGM) MAY BE USED ON SLOPES IN PLACE OF

EXCELSIOR MATTING IF APPROVED BY THE ENGINEER. FGM IS NOT ALLOWED

AS DRAINAGE DITCH PROTECTION.

2H:1VMAX

2'

(UNLESS

OTHERWISE

NOTED)

2H:1V

MAX

ROLL OUT MATTING PARALLEL TO DIRECTION OF

FLOW AND OVER PROTECTIVE MULCH IN DITCHES.

TO

P

OF

S

LO

PE

SLOPES

1'

SHEET OF

3920 ARKWRIGHT RD.

(478) 743-7175

PROJ. NO.

SCALE

DATE

DWG.

MACON, GEORGIA 31210(478) 743-7175 (FAX)

SUITE 101

EROSION CONTROL IMPROVEMENTS

CANDLER COUNTY S.R. 121 PHASE 2 MSW LANDFILL

FOR

CANDLER COUNTY BOARD OF COMMISIONERS

CANDLER COUNTY, GEORGIA

PRELIMINARY - FOR

BIDDING PURPOSES ONLY

1716-010-01

MAY 2025

CANDLER-2024 EC IMP

1 2 3

MISCELLANEOUS DETAILS

AS SHOWN

Sheets and Views
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Candler-EC IMP-1-TP.pdf
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Sheets and Views
3-DT

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