Construction_Drawings_-_240318.pdf

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DRN:

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BY NO.

CHIEF DATE

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DATE:

REVISION DATE

6TH ELECTION DISTRICT CHARLES COUNTY, MARYLAND

CHARLES COUNTY GOVERNMENT

CAPITAL SERVICES DIVISION

KL

CHARLES COUNTY LANDFILL NO. 2

CELL 4 CONSTRUCTION

PGM# DSP-210023

MG, TW

TECHNOLOGIES

CK

ENGINEERS

PLANNERS

SCIENTISTS

CONSTRUCTION MANAGERS

936 RIDGEBROOK ROAD

SPARKS, MD 21152

PHONE: (410) 316-7800

FAX: (410) 316-7817

www.kci.com

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Charles County Approvals Remarks or Conditions Grading Construction as-builts

Roads Construction as-builts

Storm Drainage Construction as-builts

Stormwater Management Construction as-builts

Water Construction as-builts

Sewer Construction as-builts

Other Construction as-builts This Permit Expires on:

date: date:

AS SHOWN

Jan 28, 2022

PGM# DSP-210023

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SP-210023

PROFESSIONAL CERTIFICATION. I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the State Of Maryland, License No. , Expiration Date .

SHEET INDEX,

LEGEND, SYMBOLS, AND

ABBREVIATIONS

G-02

LEGEND

W

W

IRON PIPE FOUND

EX. UTILTY POLE

EX. GUY WIRE

EX. WATER VALVE

EX. WATER MANHOLE

EX. SIGN

EX. MAIL BOX

EX. PAPER BOX

EX. BRICK POSTS

EX. CLEAN OUT

EX. WATER

EX.GAS

EX. OVERHEAD ELECTRIC

EX. UNDERGROUND TELEPHONE

EX. FIRE HYDRANT

EXISTING WELL

EX. GAS VENT / LEACHATE RECHARGE WELL

EX. STORM DRAIN MANHOLE

EX. LINER EDGE MARKING BOARD

WATER

GATE VALVE

FIRE HYDRANT

SANITARY SEWER MANHOLE

TRAVERSE POINT / MONUMENT

SOIL BORING

G

UT

OHE

LIST OF ABBREVIATIONS

& AND

@ AT

ABAND ABANDONED

BLE BURY LINE ELEVATION

BOTT. BOTTOM

CL. CLEAR

CM OR cm CENTIMETER

CMP CORRUGATED METAL PIPE

CONC. CONCRETE

CONT. CONTINUOUS

COV. COVER

DIA. OR Ø DIAMETER

DIP DUCTILE IRON PIPE

D/W DRIVEWAY

E. EASTING

EL. OR ELEV. ELEVATION

EMBED. EMBEDMENT

EOP EDGE OF PAVING

EXIST. OR EX. EXISTING

E.W. EACH WAY

FHT FIRE HYDRANT TEE

FLG FLANGED

FT. FOOT/FEET

GALV. GALVANIZED

GV GATE VALVE

HDPE HIGH DENSITY POLYETHYLENE

HORIZ. HORIZONTAL

INV. INVERT

IPF IRON PIN FOUND

k PERMEABILITY

L LENGTH

LIN. FT. LINEAR FEET

LT. LEFT

MAX. MAXIMUM

MH MANHOLE

MIN. MINIMUM

N. NORTHING

N/F NOW OR FORMERLY

NO. OR # NUMBER

OZ. OUNCE

P. PAGE

P.B. PLAT BOOK

PE POLYETHYLENE

PERF. PERFORATED

PT. POINT

PVC POLYVINYL CHLORIDE PIPE

R OR RAD. RADIUS

RCP REINFORCED CONCRETE PIPE

RT. RIGHT

R/W RIGHT-OF-WAY

SCH SCHEDULE

SEC OR s SECOND

STA. STATION

SQ. SQUARE

S.S. STAINLESS STEEL

TYP. TYPICAL

VERT. VERTICAL

w/ WITH

A

SYMBOLS

SECTION DESIGNATION

SHEET WHERE SECTION IS DRAWN

SHEET WHERE SECTION IS FIRST CUT

SECTION CUT: DETAIL :

DETAIL DESIGNATION

SHEET WHERE DETAIL IS DRAWN

SHEET WHERE DETAIL IS FIRST REFERRED

LINE STYLES AND PATTERNS

B-XX

DRAWING NUMBER SHEET NUMBER DRAWING TITLE

G-01 1 of 37 TITLE SHEET

G-02 2 of 37 SHEET INDEX, LEGEND, SYMBOLS AND ABBREVIATIONS

C-01 3 of 37 EXISTING OVERALL LANDFILL SITE PLAN

C-02 4 of 37 DEMOLITION AND BORING LOCATION PLAN

C-03 5 of 37 CELL 4 SUBGRADE GRADING PLAN

C-04 6 of 37 CELL 4 SUBBASE GRADING PLAN

C-05 7 of 37

CELL 4 ACCESS ROAD & CELL FLOOR GRADING PLANC-06 8 of 37

CELL 4 CROSS-SECTION C1 CROSS SECTION C-2C-07 9 of 37

C-10 12 of 37 SITE DETAILS 1

13 of 37 SITE DETAILS 2

SB-01 WEST SEDIMENT CONTROL BASIN - RECORD DRAWING

SB-02

EAST SEDIMENT CONTROL BASIN - RECORD DRAWING

SB-03

SEDIMENT CONTROL BASIN SPECIFICATIONS - RECORD DRAWING

SHEET INDEX

DRAWING NUMBER SHEET NUMBER DRAWING TITLE

C-08 10 of 37 LEACHATE TRANSMISSION PIPE PLAN

C-09 11 of 37 LEACHATE TRANSMISSION PIPE PROFILE

C-11

DRAIN, LEACHATE AND BYPASS DRAIN STAKE-OUT SCHEDULES

LD-01

LD-02

LD-03

LD-04

LD-05

LD-06

LD-07

LD-08

LD-09

LD-10

LD-11

LD-12

LD-13

LD-14

LD-15

LD-16

LD-17

LD-18

LD-20

LD-19

LD-21

PROPOSED CONDITIONS SITE PLAN PHASE I (SUBCELL 4A)

EXISTING CONDITIONS SWM DA MAP

CONSTRUCTION CONDITIONS SWM DA MAP - PHASE I (SUBCELL 4A)

DEVELOPED CONDITIONS SWM DA MAP - PHASE I (SUBCELL 4A)

EXISTING CONDITION EROSION & SEDIMENT CONTROL PLAN - PHASE I (SUBCELL 4A)

AS-BUILT EAST SEDIMENT BASIN/SWM PLAN AND DETAILS

EROSION & SEDIMENT CONTROL NOTES 1

PROPOSED CONDITIONS SITE PLAN PHASE II (SUBCELL 4B)

PROPOSED STORM DRAIN PLAN PROFILE AND DETAILS PHASE III (SUBCELL 4C)

CONSTRUCTION CONDITIONS SWM DA MAP - PHASE II (SUBCELL 4B)

CONSTRUCTION CONDITIONS SWM DA MAP - PHASE III (SUBCELL 4C)

DEVELOPED CONDITIONS SWM DA MAP - PHASE II (SUBCELL 4B)

DEVELOPED CONDITIONS SWM DA MAP - PHASE III (SUBCELL 4C)

EXISTING CONDITION EROSION & SEDIMENT CONTROL PLAN - PHASE II (SUBCELL 4B)

EXISTING CONDITION EROSION & SEDIMENT CONTROL PLAN - PHASE III (SUBCELL 4C)

PROPOSED CONDITION EROSION & SEDIMENT CONTROL PLAN - PHASE I (SUBCELL 4A)

PROPOSED CONDITION EROSION & SEDIMENT CONTROL PLAN - PHASE II (SUBCELL 4B)

PROPOSED CONDITION EROSION & SEDIMENT CONTROL PLAN - PHASE III (SUBCELL 4C)

MODIFIED AS-BUILT WEST SEDIMENT BASIN/SWM PLAN AND DETAILS

EROSION & SEDIMENT CONTROL NOTES 2

EROSION & SEDIMENT CONTROL NOTES & DETAILS

35194

L

MONITORING

WELL

222224

204206208212214216218

200210 202204206208212214216218

182184186

217417 6178182184186188

180172

17617818218

182184186188

170168

170152

14614

4 15

138142144146148152154156158162164

0 16

12" RCP

15" RCP

EXISTING

CELL 1

EXISTING

CELL 3B

EXISTING

CELL 2B

EXISTING

CELL 2A

CELL 4

EXISTING

CELL 3A

MH

Stairs

Gate

G at e

Ga te

G at e

G at e

A/C

Scale

Scale

A/C

X

XX

X X

X X

X

XX X X X X X X X X

X

X

X

X X

X

X X

X

X

X

18" SD

30" SD

36" SD

24" SD

24" SD

24" SD

24" SD

36" SD

18" SD

24" SD

36" SD

18" SD

30" SD

30" SD

18" SD

36" SD

30" SD

36" SD

12" SD

36"

SD

C-2

C-1

N 330500 N 330500E 1344250

E 1346500 E 1346500

N 328000

SUBCELL 4A

7.4 ACRES

SUBCELL 4C

4.9 ACRES

SUBCELL 4B

5.7 ACRES

MONUMENT #1

N. 330525.22 E. 1346068.25

EL. 199.44

MONUMENT #2

N. 329962.24 E. 1346620.60

EL. 193.19

MONUMENT #3

N. 329308.05 E. 1346721.85

EL. 177.27

MONUMENT #4

N. 328092.17 E. 1345280.09

EL. 195.02

MONUMENT #5

N. 328498.23 E. 1344768.51

EL. 200.79

MONUMENT #6

N. 329085.58 E. 1344597.26

EL. 197.62

MONUMENT #7

N. 330237.71 E. 1344261.43

EL. 207.72

MONUMENT #8

N. 330533.03 E. 1344510.65

EL. 199.01

MONUMENT 16+00 BL "A"

N. 328701.59 E. 1344709.11

EL. 197.40

MONUMENT 4+00 BL "A"

N. 329853.73 E. 1344373.43

EL. 200.96

MONUMENT 13+20 BL "B"

N. 330531.85 E. 1344748.21

EL. 199.47

MONUMENT 8+00 BL "B"

N. 330529.21 E. 1345268.13

EL. 199.33

MONUMENT 3+00 BL "B"

N. 330526.76 E. 1345768.03

EL. 197.53

MONUMENT 4+00 BL "F"

N. 330247.74 E. 1346340.38

EL. 193.07

MONUMENT 6+50 BL "C"

N. 328511.17 E. 1345776.91

EL. 192.05

MONUMENT 1+50 BL "C"

N. 328188.91 E. 1345394.77

EL. 192.83

MONUMENT 4+00 BL "D"

N. 328249.60 E. 1345081.82

EL. 196.40

MONUMENT 16+50 BL "C"

N. 329155.96 E. 1346541.49

EL. 149.75

BARDON INC.

MAP: 24 PARCEL 91

L: 47 F. 58

OCCOM RIDGE LLC.

MAP: 24 PARCEL 103

L: 59 F. 571

GLOBAL GREEN

RECYCLING LLC.

MAP: 24 PARCEL 99

L: 60 F. 265

GLOBAL GREEN

RECYCLING LLC.

MAP: 24 PARCEL 99

L: 60 F. 264

GLOBAL GREEN

RECYCLING LLC.

MAP: 24 PARCEL 99

L: 60 F. 264

EX. WEST SEDIMENT BASIN

EX. WEST SEDIMENT BASIN OUTFALL

APPROXIMATE LIMITS OF BEN DYER

APRIL, 2020 FIELD SURVEY

EX. EAST SEDIMENT BASIN

EX. EAST SEDIMENT BASIN OUTFALL

APPROXIMATE LIMITS OF BEN DYER

APRIL, 2020 FIELD SURVEYEX. SCALE HOUSE

EX. HOMEOWNER DROP-OFF AREA

BILLINGSLEY ROAD

LANDFILL

PROPERTY LINE

(TYP.)

PROPERTY

SET-BACK LINE

(TYP.)

GAS WELL W1-05

IMPACTED BY

PROPOSED STOCKPILE

GAS WELL W2A-02

IMPACTED BY

PROPOSED STOCKPILE

OF

SHEET

OFOF

SCALE

OF

DES:

DRN:

CHK:

BY NO.

CHIEF DATE

KJ

DATE:

REVISION DATE

6TH ELECTION DISTRICT CHARLES COUNTY, MARYLAND

CHARLES COUNTY GOVERNMENT

CAPITAL SERVICES DIVISION

KL

CHARLES COUNTY LANDFILL NO. 2

CELL 4 CONSTRUCTION

PGM# DSP-210023

MG, TW

TECHNOLOGIES

CK

ENGINEERS

PLANNERS

SCIENTISTS

CONSTRUCTION MANAGERS

936 RIDGEBROOK ROAD

SPARKS, MD 21152

PHONE: (410) 316-7800

FAX: (410) 316-7817

www.kci.com

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Charles County Approvals Remarks or Conditions Grading Construction as-builts

Roads Construction as-builts

Storm Drainage Construction as-builts

Stormwater Management Construction as-builts

Water Construction as-builts

Sewer Construction as-builts

Other Construction as-builts This Permit Expires on:

date: date:

AS SHOWN

Jan 28, 2022

PGM# DSP-210023

PG

M

D

SP

-2

3PG

M

# D

SP-210023

PROFESSIONAL CERTIFICATION. I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the State Of Maryland, License No. , Expiration Date .

EXISTING

OVERALL LANDFILL

SITE PLAN

C-01

SITE PLAN

SCALE: 1" = 200'

SCALE: 1"= 200'

200200 0

GENERAL NOTES

1. EXCEPT AS NOTED, LANDFILL TOPOGRAPHIC INFORMATION IS FROM AERIAL

SURVEY CONDUCTED BY APPLIED MAPPING SOLUTIONS, INC., AUGUST 29, 2015,

AS PROVIDED BY CHARLES COUNTY.

2. FIELD RUN SURVEY FOR CELL 4 WAS CONDUCTED BY BEN DYER ASSOCIATES,

INC. IN APRIL 2020

PROPERTY INFORMATION

COUNTY COMMISSIONERS OF CHARLES COUNTY

ADDRESS: 12305 BILLINGSLEY ROAD, WALDORF, MARYLAND

MAP: 24 PARCEL: 98

LIBER : 1728 FOLIO: 283

TOTAL AREA: 114.3 ACRES

CHARLES COUNTY LANDFILL NAD 83/11 - NAVD88

DESCRIPTION NORTHING EASTING ELEVATION

MONUMENT #1 330525.22 1346068.25 199.44

MONUMENT #2 329962.24 1346620.60 193.19

MONUMENT #3 329308.05 1346721.85 177.27

MONUMENT #4 328092.17 1345280.09 195.02

MONUMENT #5 328498.23 1344768.15 200.79

MONUMENT #6 329085.58 1344597.26 197.62

MONUMENT #7 330237.71 1344261.43 207.72

MONUMENT #8 330533.03 1344510.65 199.01

MONUMENT 16+00 BASELINE A 328701.59 1344709.11 197.40

MONUMENT 4+00 BASELINE A 329853.73 1344373.43 200.96

MONUMENT 13+20 BASELINE B 330531.85 1344748.21 199.47

MONUMENT 8+00 BASELINE B 330529.21 1345268.13 199.33

MONUMENT 3+00 BASELINE B 330526.76 1345768.03 197.53

MONUMENT 4+00 BASELINE F 330247.74 1346340.38 193.07

MONUMENT 6+50 BASELINE C 328511.17 1345776.91 192.05

MONUMENT 16+50 BASELINE C 329155.96 1346541.49 149.75

MONUMENT 1+50 BASELINE C 328188.91 1345394.77 192.83

MONUMENT 4+00 BASELINE D 328249.60 1345081.82 196.40

HV9730 315237.52 1372583.02 175.49

EXTEND 48"Ø RCP SECTION

AND 4"Ø SCH. 80 LANDFILL

GAS RISER PIPE AS

NECESSARY. REFER TO

SHEET LD-1 FOR ELEVATION

REQUIREMENTS

35194

NOTE:

THIS DETAIL IS FROM CONTRACT NO. VCI 86-1-139, SHEET 10 OF 25

MO

NI

TO

RI

NG

W

EL

L

INV.=167.82

INV.=177.38

INV.=176.85

INV.=180.68

INV.=179.96

INV.=183.35

INV.=183.72

INV.=188.28

INV.=188.07

INV.=192.75

INV.=193.02

INV.=193.95

INV.=193.15

INV.=193.34

INV.=193.83

INV.=194.08

INV.=193.20

INV.=197.63

INV.=196.80

INV.=192.16

INV.=192.52

INV.=191.03

INV.=190.88

TOP=181.26

182184

194196198

" R

CP

" R

CP

SD GRATE

TOP=202.45

INV. OUT=199.12

SD MH

TOP=204.29

INV. IN=198.04

INV. OUT=197.93

SD MH

TOP=197.24

INV. IN=193.54

INV. OUT=193.44

SD GRATE

TOP=197.06

INV. IN=193.81

INV. OUT=193.56

SD GRATE

TOP=196.61

INV. IN=193.81

INV. OUT=193.71

SD GRATE

TOP=196.66

INV.=FULL OF MUD

SD GRATE

TOP=196.49

INV.=FULL OF MUD

PO

ND

W .S

.E

5.4

X X

X X

X

XX

X

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XXXXXXXXXXXXXXX

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18" SD

30" SD

36" SD

" S

D

" S

D

" S

D

" S

D

36" SD

18" SD

24" SD

36" SD

18" SD

30" SD

30" SD

18" SD

36" SD

B-01

B-02

B-08

B-05

B-12

B-09 B-13

B-17

B-14 B-10

B-06 B-03

B-04 B-07

B-18 B-15

B-16 B-11

CELL 4

B-20

B-19

E 1345000

N 32

E 1345000 N 32

N 32

E 1345500

SUBCELL 4A

SUBCELL 4BSUBCELL 4C

OF

SHEET

OFOF

SCALE

OF

DES:

DRN:

CHK:

BY NO.

CHIEF DATE

KJ

DATE:

REVISION DATE

6TH ELECTION DISTRICT CHARLES COUNTY, MARYLAND

CHARLES COUNTY GOVERNMENT

CAPITAL SERVICES DIVISION

KL

CHARLES COUNTY LANDFILL NO. 2

CELL 4 CONSTRUCTION

PGM# DSP-210023

MG, TW

TECHNOLOGIES

CK

ENGINEERS

PLANNERS

SCIENTISTS

CONSTRUCTION MANAGERS

936 RIDGEBROOK ROAD

SPARKS, MD 21152

PHONE: (410) 316-7800

FAX: (410) 316-7817

www.kci.com

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Charles County Approvals Remarks or Conditions Grading Construction as-builts

Roads Construction as-builts

Storm Drainage Construction as-builts

Stormwater Management Construction as-builts

Water Construction as-builts

Sewer Construction as-builts

Other Construction as-builts This Permit Expires on:

date: date:

AS SHOWN

Jan 28, 2022

PGM# DSP-210023

PG

M

D

SP

-2

3PG

M

# D

SP-210023

PROFESSIONAL CERTIFICATION. I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the State Of Maryland, License No. , Expiration Date .

GENERAL NOTES

1. EXCEPT AS NOTED, LANDFILL TOPOGRAPHIC INFORMATION IS FROM

AERIAL SURVEY CONDUCTED BY APPLIED MAPPING SOLUTIONS, INC.,

AUGUST 29, 2015, AS PROVIDED BY CHARLES COUNTY.

2. FIELD RUN SURVEY FOR CELL 4 WAS CONDUCTED BY BEN DYER

ASSOCIATES, INC. IN APRIL 2020

DEMOLITION AND

BORING LOCATION PLAN C-02

SCALE:

1 20

1" = 60'

SITE PLAN

SCALE: 1" = 60'

SOIL BORING SCHEDULE

BORING NO. NORTHING EASTING ELEVATION MIN. BORING

DEPTH

B-01 329294.1 1344873.5 197.0 20.0' B-02 329189.9 1345080.0 203.3 25.0' B-03 329057.9 1344924.6 204.6 30.0' B-04 328938.5 1344784.1 205.2 30.0' B-05 329063.3 1345239.9 205.2 35.0' B-06 328931.3 1345084.5 210.0 40.0' B-07 328799.3 1344929.1 212.4 40.0' B-08 329255.4 1345318.5 202.3 30.0' B-09 328936.8 1345399.8 194.7 25.0' B-10 328804.7 1345244.4 194.7 25.0' B-11 328540.6 1344933.5 194.6 25.0' B-12 328998.8 1345621.9 203.7 35.0' B-13 328810.2 1345559.7 191.3 25.0' B-14 328678.1 1345404.3 189.6 25.0' B-15 328546.1 1345248.8 181.2 15.0' B-16 328414.0 1345093.4 195.3 25.0' B-17 328794.4 1345764.3 203.0 30.0' B-18 328627.8 1345145.6 190.8 25.0' B-19 328667.7 1345313.4 192.8 35.0' B-20 328754.1 1345441.9 189.4 35.0'

PROPERTY INFORMATION

COUNTY COMMISSIONERS OF CHARLES COUNTY

ADDRESS: 12305 BILLINGSLEY ROAD, WALDORF, MARYLAND

MAP: 24 PARCEL: 98

LIBER : 1728 FOLIO: 283

TOTAL AREA: 114.3 ACRES

DEMOLISH

EX. CULVERT

DEMOLISH

EX. CULVERT

DEMOLISH

EX. CULVERT

DEMOLISH

EX. CULVERT

DEMOLISH

EX. CULVERT

DEMOLISH

EX. CONCRETE SLAB

TREES TO BE

REMOVED

OUT TO THE

CELL LIMITS

(TYP.)

PROPERTY LINE

110' SETBACK

LINE

EX. WEST

SEDIMENT BASIN

TREES TO BE

REMOVED

(TYP.)

TREES TO BE

REMOVED

(TYP.)

TREES TO BE

REMOVED

OUT TO THE

CELL LIMITS

(TYP.)

TREES TO BE

REMOVED

OUT TO THE

CELL LIMITS

(TYP.)

35194

SIGN SHALL BE

RELOCATED AS

REQUIRED DURING

CONSTRUCTION

C-1

16 SUBCELL

SEPARATION BERM

E 1345000

N 32

E 1345000 N 32

N 32

E 1345500

182184

194196198

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D D D D D D D D D D D D D D D D D D D

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D D

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BD

BD

BD

BD

BD

BD

BD BD BD BD BD BD BD BD BD

BD

INV=192.15

TW=196.25

INV=193.34

30" RCP

0.98%

0 18

196194

6 18

8 18

190 190

190 192

C -2

SUBCELL 4A

CELL 4

SUBCELL 4C

SUBCELL 4B

BYPASS DRAIN TO BE INSTALLED ABOVE

HDPE LINER, CONNECT TO DRAIN PIPE

OUTSIDE OF LANDFILL LIMITS

INSTALL PIPE WITH

CONTINUOUSLY FALLING

GRADE, DAYLIGHT AT

BOTTOM OF DITCH

16 SUBCELL

SEPARATION BERM

10" PERFORATED HDPE UNDERDRAIN TRUNKLINE 4B @1.9%

128 L.F. OF 10" SOLID WALL

HDPE DRAIN

10" PERFORATED HDPE UNDERDRAIN TRUNKLINE 4A @ 1.9%

552 L.F. OF 8" SOLID WALL

HDPE BYPASS DRAIN

6" PERFO

RATED HDPE UNDERDRAIN (TYP.)

17 HDPE

UNDERDRAIN

(TYP.)

UNDREDRAIN LATERALS,

6" PERFORATED HDPE

@ 100' HORIZONTAL

SPACING (TYP.)

0+00 1+00

2+00 3+00

4+00 5+00

6+00 7+00

8+00 9+00

1+

0+

2+

3+

4+

5+

6+

7+

8+

9+

2.0% SUBGRADE SLOPE

2.0% SUBGRADE SLOPE

PROVIDE 10" HDPE

CAPPED STUB OUT OF

SUBCELL 4A FOR

FUTURE SUBCELL 4B

DEVELOPMENT.

CONNECT TO STUB

WHEN SUBCELL 4B IS

BEING DEVELOPED

PROVIDE 10" HDPE

CAPPED STUB OUT OF

SUBCELL 4B FOR

FUTURE SUBCELL 4C

DEVELOPMENT.

CONNECT TO STUB

WHEN SUBCELL 4C IS

BEING DEVELOPED

PROVIDE 6" HDPE

CAPPED STUB OUT OF

SUBCELL 4B FOR

FUTURE SUBCELL 4C

DEVELOPMENT.

CONNECT TO STUB

WHEN SUBCELL 4C IS

BEING DEVELOPED

10" PERFORATED HDPE UNDERDRAIN TRUNKLINE 4C @ 1.9%

4A-2

4A-1

4A-3

4A-6

(PHASE I)

(PHASE II)

(PHASE III)

4A-4

4A-7

4A-8

4A-9

4A-10

4A-11

4A-12

4B -1

4B -2

4B -3

4B-4 4B-6

4B-8

4B-10

4B -5

4B -7

4B -9

4C-14C-2

4C-3

4C-5

4C-7

4C -4

4C -6

4A -5

DURING GRADING OF

SWALE, REMOVE RIP

RAP AS NECESSARY.

UPON COMPLETION OF

GRADING REPLACE THE

RIP RAP.

PROPOSED

HEADWALL EW-1,

PROPOSED 30"

STORM DRAIN AND

PROPOSED RIP RAP,

SEE SHEET LD-03

WEST SEDIMENT BASIN

5 BYPASS DRAIN

TOP OF COMPACTED SUBGRADE

PERFORATED HDPE PIPE

3", TYP.

PEA GRAVEL

3" , T

YP

10 oz/sy NON WOVEN, NEEDLE

PUNCHED POLYPROPYLENE

GEOTEXTILE FILTER FABRIC

1' -0

",M

IN

2'

-0

C O

M

PA

C

TE

D C

LA

Y

60 MIL HDPE LINER

SEE DETAIL18, TYPICAL BOTTOM

LINER DETAIL ON SHEET C-04

OF

SHEET

OFOF

SCALE

OF

DES:

DRN:

CHK:

BY NO.

CHIEF DATE

KJ

DATE:

REVISION DATE

6TH ELECTION DISTRICT CHARLES COUNTY, MARYLAND

CHARLES COUNTY GOVERNMENT

CAPITAL SERVICES DIVISION

KL

CHARLES COUNTY LANDFILL NO. 2

CELL 4 CONSTRUCTION

PGM# DSP-210023

MG, TW

TECHNOLOGIES

CK

ENGINEERS

PLANNERS

SCIENTISTS

CONSTRUCTION MANAGERS

936 RIDGEBROOK ROAD

SPARKS, MD 21152

PHONE: (410) 316-7800

FAX: (410) 316-7817

www.kci.com

I

J an

8,

- 1

0:

r:

ke vi n.

ja ck so n

M :\2

0\

9\ D ra w in gs

\C -0

3_ S ub gr ad e

Pl an

.d w g

Charles County Approvals Remarks or Conditions Grading Construction as-builts

Roads Construction as-builts

Storm Drainage Construction as-builts

Stormwater Management Construction as-builts

Water Construction as-builts

Sewer Construction as-builts

Other Construction as-builts This Permit Expires on:

date: date:

AS SHOWN

Jan 28, 2022

PGM# DSP-210023

PG

M

D

SP

-2

3PG

M

# D

SP-210023

CELL 4 SUBGRADE

GRADING PLAN C-03

TYPICAL UNDERDRAIN DETAIL

SCALE: 3/4" = 1'-0"

SUBGRADE GRADING PLAN

SCALE: 1" = 50'

SCALE: 3/4"= 1'-0"

1 2 3 4

1 2 30

SCALE:

1 20

1" = 50' 50 50

GENERAL NOTES

1. CONTOURS REPRESENT THE TOP OF THE PREPARED SUBGRADE.

2. UNDERDRAIN PIPING SHALL BE INSTALLED TO COMPLY WITH DETAIL 17: TYPICAL UNDERDRAIN DETAIL.

3. CONTRACTOR SHALL INSTALL CAPS AT THE UPSLOPE ENDS OF ALL PIPES.

PROFESSIONAL CERTIFICATION. I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the State Of Maryland, License No.__________, Expiration date__________.35194 06/06/2022

182184

194196198

X

XXXX

X

X

X

X

X

X

X

X

X

X

X

X

X

X

LT

LT

LT

LT

LT

LT

LT

LT

LT

LT

LT

L L L L L L L L L L L L L L L L L L

L

L

L

L

L

L

L

L L

L L

L L

L

L

L L

L L

L L

L L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L L

L

L L

L L

L L

L L

L L

L L

L L

L

L

L

L

L

L

L

L

L

L L L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L

L L

L

L

L

L

L

L

L

L

L

L

L

L

L L

L L

L L

BD

BD

BD

BD

BD

BD

BD BD BD BD BD BD BD BD BD

BD

INV=192.15

TW=196.25

INV=193.34

30" RCP

0.98%

196 198

194194

192 194

8 18

0 190

190 190

C -2

C-1

16 SUBCELL

SEPARATION BERM

E 1345000

N 32

E 1345000 N 32

N 32

E 1345500

CELL 4

SUBCELL 4A

SUBCELL 4B

FOR LEACHATE TRANSMISSION

PLAN SEE DRAWING NO. C-08

FOR LEACHATE TRANSMISSION

PROFILE SEE DRAWING NO. C-09

SUBCELL 4C

8" SOLID WALL HDPE BYPASS DRAIN TO

BE INSTALLED ABOVE HDPE LINER,

CONNECT TO DRAIN PIPE OUTSIDE OF

LANDFILL LIMITS

VALVES 1 & 2, SEE

DETAIL THIS SHEET

VALVES 3 & 4, SEE

DETAIL THIS SHEET

11BOOTLESS PENETRATION

DETAIL

14LEACHATE

TRANSMISSION LINE

10LEACHATE

CLEAN-OUT

16 SUBCELL

SEPARATION BERM

10LEACHATE

CLEAN-OUT

EDGE OF BOTTOM LINER, PROVIDE

MARKERS AND LOCATION TAPE IN

ACCORDANCE WITH THE SPECIFICATIONS

EDGE OF BOTTOM LINER, PROVIDE

MARKERS AND LOCATION TAPE IN

ACCORDANCE WITH THE SPECIFICATIONS

9-A

9-A

9-B

850 L.F. OF 8" PERFORATED HDPE LEACHATE TRUNKLINE @ 1.9%

6" PERFO

RATED HDPE LEACHATE CO

LLECTIO

N PIPE (TYP.)

6" PERFORATED HDPE LEACHATE COLLECTION PIPE (TYP.)

6" P

ER

FO

R

AT

ED

H

D

PE

L

EA

C H

AT

E

C O

LL

EC

TI

O

N P

IP

E

(T

YP

290 L.F. OF 8" PERFORATED HDPE LEACHATE TRUNKLINE @ 2.0%

521 L.F. OF 8" PERFORATED HDPE LEACHATE TRUNKLINE @ 2.0%

2.0% SUBBASE SLOPE

0+00 1+00

2+00 3+00

4+00 5+00

6+00 7+00

8+00 9+00

1+

0+

2+

3+

4+

5+

6+

7+

8+

9+

2.0% SUBBASE SLOPE

(PHASE I)

(PHASE II)

(PHASE III)

PROVIDE 8" HDPE

CAPPED STUB OUT OF

SUBCELL 4B FOR

FUTURE SUBCELL 4C

DEVELOPMENT.

CONNECT TO STUB

WHEN SUBCELL 4C IS

BEING DEVELOPED

CAPPED STUB TO BE

TEMPORARILY USED AS

A CLEANOUT

PROVIDE 6" HDPE CAPPED STUB OUT OF

SUBCELL 4B FOR FUTURE SUBCELL 4C

DEVELOPMENT. CONNECT TO STUB

WHEN SUBCELL 4C IS BEING DEVELOPED

VALVE 5, SEE

DETAIL THIS SHEET

4A

4A

4B

4B

4C

4C

4A-1

4A -2

4A-3

4A -4

4A-5

4A-6

4A-7

4A-8

4A-9

4A-10

4A-11

4A-12

4B -1

4B-2

4B -3

4B -54B

-7

4B-4

4B-6

4C-1

4C -3

4C-2

4C -5

4C-4

4C-6

PROVIDE 8" HDPE CAPPED STUB OUT OF SUBCELL 4A FOR

FUTURE SUBCELL 4B DEVELOPMENT. PROVIDE (2) 8" VALVES

FOR BYPASS DRAIN AND 8" X 6" CONNECTION FOR LEACHATE

LINE 4B-1. VALVES TO REMAIN CLOSED UNTIL SUBCELL 4B IS

BEING DEVELOPED. CONNECT TO STUBS WHEN SUBCELL 4B IS

BEING DEVELOPED

DURING GRADING OF

SWALE, REMOVE RIP

RAP AS NECESSARY.

UPON COMPLETION OF

GRADING REPLACE THE

RIP RAP.

WEST SEDIMENT BASIN

PROPOSED

HEADWALL EW-1,

PROPOSED 30"

STORM DRAIN AND

PROPOSED RIP RAP,

SEE SHEET LD-03

1.5%

1.5%

1.3%

1.3%

1.2%

1.

8%

1.

2%

1.

5%

1.

4%

1.

4%

1.

3%

2.0 %1.2%

1.3%

2.6%

1.5%

1.6%

1.5%

1.5%

1.5%

1.5%

1.3%

1.3%

1.

4%

2.

8%

1.0%

1.2%

5 BYPASS DRAIN

CELL FLOOR

24" SUBGRADE

60 MIL HDPE LINER

GEOCOMPOSITE

DRAINAGE LAYER

ϴ≤1x10 CM/SEC, MIN.

FILTER FABRIC

12" SOIL TOP LAYER (SAND)

k>1x10 CM/SEC

12" LEACHATE COLLECTION ZONE

(PEA GRAVEL)

k>6x10 CM/SEC

24" COMPACTED CLAY LINER

SUBBASE

k≤1x10 CM/SEC

-2

-3

-2

3'-0" MIN. FROM TOP OF

SUBGRADE TO GROUNDWATER

GEOCOMPOSITE CLAY LINER

-5

LEACHATE COLLECTION PIPE

UNDERDRAIN PIPE

PEA GRAVEL AROUND

UNDERDRAIN PIPE ONLY

SEE DETAIL 17 ON SHEET C-03

OF

SHEET

OFOF

SCALE

OF

DES:

DRN:

CHK:

BY NO.

CHIEF DATE

KJ

DATE:

REVISION DATE

6TH ELECTION DISTRICT CHARLES COUNTY, MARYLAND

CHARLES COUNTY GOVERNMENT

CAPITAL SERVICES DIVISION

KL

CHARLES COUNTY LANDFILL NO. 2

CELL 4 CONSTRUCTION

PGM# DSP-210023

MG, TW

TECHNOLOGIES

CK

ENGINEERS

PLANNERS

SCIENTISTS

CONSTRUCTION MANAGERS

936 RIDGEBROOK ROAD

SPARKS, MD 21152

PHONE: (410) 316-7800

FAX: (410) 316-7817

www.kci.com

I

J an

8,

- 1

0:

r:

ke vi n.

ja ck so n

M :\2

0\

9\ D ra w in gs

\C -0

4_ S ub ba se P la n.

dw g

Charles County Approvals Remarks or Conditions Grading Construction as-builts

Roads Construction as-builts

Storm Drainage Construction as-builts

Stormwater Management Construction as-builts

Water Construction as-builts

Sewer Construction as-builts

Other Construction as-builts This Permit Expires on:

date: date:

AS SHOWN

Jan 28, 2022

PGM# DSP-210023

PG

M

D

SP

-2

3PG

M

# D

SP-210023

CELL 4 SUBBASE

GRADING PLAN C-04

TYPICAL BOTTOM LINER DETAIL

SCALE: 1/4" = 1'-0"

SUBBASE GRADING PLAN

SCALE: 1" = 50'

SCALE:

1 20

1" = 50' 50 50

GENERAL NOTES

1. GRADES SHOWN REPRESENT THE TOP OF SUBBASE (TOP OF

COMPACTED CLAY LINER).

2. LEACHATE COLLECTION PIPING SHALL BE INSTALLED TO COMPLY WITH

DETAIL 12, SHEET C-11: TYPICAL LEACHATE COLLECTION PIPE DETAIL.

3. SOLID HDPE LEACHATE PIPING AND BOOTLESS PENETRATIONS SHALL

BE PROVIDED AT ALL SUBCELL SEPARATION BERMS.

4. CONTRACTOR SHALL INSTALL CAPS AT THE ENDS OF ALL LEACHATE

PIPES.

5. UNDERDRAIN SYSTEM NOT SHOWN FOR CLARITY.

SCALE: 1/4"= 1'-0"

8 120

L

L L

L

BD

BD

BD

BD

BD

BD

BD

BD

L

L

L

L

8" PERFORATED

LEACHATE TRUNK LINE

8" SOLID W

ALL BYPASS DRAIN

8" S

OLID W

ALL

BYPASS DRAIN

LEACHATE VALVES 1 & 2 LEACHATE VALVES 3 & 4

8" PERFORATED

LEACHATE PIPE

L

L

L

L

L

L

L

BD BD BD

BD

BD

BD

BD

BD

BD

6" PERFORATED

LEACHATE PIPE

8" S

O

LI

D W

AL

L

B

YP

AS

S

D R

AI

N

6" SOLID WALL

BYPASS DRAIN

LEACHATE VALVE 5

L

L

L

L

L

L

L

BD

BD

BD

BD

BD

8" PERFORATED

LEACHATE TRUNK LINE

8" S

O

LI

D W

AL

L

BY

PA

SS

D

R

AI

N

NOTE:

1. SEE LEACHATE COLLECTION

SYSTEM VALVE SCHEMATIC ON

SHEET C-11.

PROFESSIONAL CERTIFICATION. I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the State Of Maryland, License No.__________, Expiration date__________.

8" CAP ON

LEACHATE

PIPE FROM

SUBCELL 4B.

8" PERFORATED

LEACHATE TRUNK LINE

8" PERFORATED

LEACHATE PIPE

8" SOLID WALL

LEACHATE PIPE

8" x 6" TEE

6" x 6" WYE

8" x 8" WYE

8" x 8" TEE 8" x 8" WYE

8" x 8" WYE

6" CAP ON

LEACHATE

PIPE FROM

SUBCELL 4B.

6" PERFORATED

LEACHATE PIPE

35194 06/06/2022

OF

SHEET

OFOF

SCALE

OF

DES:

DRN:

CHK:

BY NO.

CHIEF DATE

KJ

DATE:

REVISION DATE

6TH ELECTION DISTRICT CHARLES COUNTY, MARYLAND

CHARLES COUNTY GOVERNMENT

CAPITAL SERVICES DIVISION

KL

CHARLES COUNTY LANDFILL NO. 2

CELL 4 CONSTRUCTION

PGM# DSP-210023

MG, TW

TECHNOLOGIES

CK

ENGINEERS

PLANNERS

SCIENTISTS

CONSTRUCTION MANAGERS

936 RIDGEBROOK ROAD

SPARKS, MD 21152

PHONE: (410) 316-7800

FAX: (410) 316-7817

www.kci.com

I

J an

8,

- 1

0:

r:

ke vi n.

ja ck so n

M :\2

0\

9\ D ra w in gs

\C -0

5_ D ra in

L ea ch at e

Pi pe

S ta ke ou t.d w g

Charles County Approvals Remarks or Conditions Grading Construction as-builts

Roads Construction as-builts

Storm Drainage Construction as-builts

Stormwater Management Construction as-builts

Water Construction as-builts

Sewer Construction as-builts

Other Construction as-builts This Permit Expires on:

date: date:

AS SHOWN

Jan 28, 2022

PGM# DSP-210023

PG

M

D

SP

-2

3PG

M

# D

SP-210023

PROFESSIONAL CERTIFICATION. I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the State Of Maryland, License No. , Expiration Date .

DRAIN, LEACHATE

AND BYPASS DRAIN

STAKE-OUT SCHEDULES C-05

SUBCELL 4A UNDERDRAIN PIPE

STAKE-OUT

DESCRIPTION NORTHING EASTING INVERT

UNDERDRAIN DISCHARGE 328606.06 1345509.69 173.60

10" UNDERDRAIN 1/8 HB 328674.27 1345516.30 173.94

4A-5 10" X 6" 328708.60 1345488.05 174.13 4B-1 10" X 10" 328716.43 1345481.60 174.17 4A-6 10" X 6" 328722.01 1345477.01 174.25 4A-7 10" X 6" 328811.17 1345403.63 176.62 4A-8 10" X 6" 328900.32 1345330.24 178.84 4A-9 10" X 6" 328989.47 1345256.86 181.05

4A-10 10" X 6" 329078.63 1345183.48 183.27 4A-11 10" X 6" 329167.78 1345110.10 185.49 4A-12 10" X 6" 329256.94 1345036.72 187.71

4A END 10" 329351.51 1344958.87 190.38

4A-3;4A-4;4A-5 6" 328758.87 1345538.87 176.32 4A-1;4A-2; 4A-3 6" 328723.78 1345632.51 177.17

4-A1 6" END 328634.69 1345727.90 178.55

4A-2 6" END 328843.67 1345677.43 178.57

4A-4 6" END 328933.05 1345604.14 178.58

4A-6 6" END 328975.72 1345572.08 178.66

4A-7 6" END 329112.68 1345516.61 182.64

4A-8 6" END 329221.68 1345450.67 184.62

4A-9 6" END 329319.83 1345380.65 186.61

4A-10 6" END 329338.66 1345280.92 188.62

4A-11 6" END 329334.43 1345172.54 188.61

4A-12 6" END 329342.82 1345068.90 190.45

4B-1 10" CAPPED STUB 328692.87 1345449.18 174.44

SUBCELL 4B UNDERDRAIN PIPE

STAKE-OUT

DESCRIPTION NORTHING EASTING INVERT

4B 10" X 10" 328658.06 1345406.89 174.82

4B-3;4B-4 10" X 6" 328675.39 1345368.56 175.29 4B-5;4B-6 10" X 6" 328722.97 1345263.35 177.71 4B-7;4B-8 10" X 6" 328770.54 1345158.13 179.99 4B-9;4B-10 10" X 6" 328818.12 1345052.92 182.27

4B 10" CAPPED STUB 328840.55 1345003.31 183.34

4B-2 6" END 328395.87 1345088.35 180.23

4B-4 6" END 328842.44 1345351.98 177.94

4B-3 6" END 328434.21 1345032.53 181.11

4B-6 6" END 328981.27 1345237.71 181.39

4B-5 6" END 328496.56 1344947.90 183.00

4B-8 6" CAPPED STUB 328967.49 1345138.59 182.73

4B-7 6" END 328562.84 1344868.75 184.89

4B-10 6" CAPPED STUB 328881.26 1345046.65 183.13

4B-9 6" END 328659.96 1344832.56 186.58

SUBCELL 4C UNDERDRAIN PIPE

STAKE-OUT

DESCRIPTION NORTHING EASTING INVERT

4C-3;4C-4 10" X 6" 328865.69 1344947.71 184.54 4C-5;4C-6 10" X 6" 328913.27 1344842.49 186.81

4C-END;4C-7 10" X 6" 328958.61 1344742.22 188.97

4C-1 END 329120.10 1345123.44 184.85

4C-2 END 329258.94 1345009.17 188.29

4C-3 END 329346.34 1344900.00 191.11

4C-4 END 328758.35 1344798.15 187.33

4C-5 END 329195.79 1344814.45 190.83

4C-6 END 328861.19 1344769.93 188.63

4C-7 END 329162.34 1344722.00 192.56

SUBCELL 4A LEACHATE PIPE STAKE-OUT

DESCRIPTION NORTHING EASTING INVERT

8" LEACHATE TRANSMISSION

1/8 HB

328671.50 1345512.11 176.60

4A;4B 8" X 8" 328713.80 1345477.29 178.11 4A;4A-5 8" X 6" 328715.22 1345476.13 178.17 4A;4A-6 8" X 6" 328768.28 1345432.45 179.54 4A;4A-7 8" X 6" 328853.89 1345361.99 181.87 4A;4A-8 8" X 6" 328939.49 1345291.53 184.02 4A;4A-9 8" X 6" 329025.09 1345221.07 186.16 4A;4A-10 8" X 6" 329110.70 1345150.61 188.26 4A;4A-11 8" X 6" 329196.30 1345080.15 190.41 4A;4A-12 8" X 6" 329281.91 1345009.69 192.58

4A LEACHATE CLEANOUT 329369.55 1344937.55 202.25

4A-1;4A-5 6" X 6" 328771.03 1345536.02 179.87 4A-1;4A-4 6" X 6" 328755.83 1345576.58 180.40

4A-1;4A-2;4A-3 6" X 6" X6" 328715.31 1345684.71 181.82

4A-1 6" CAP 328680.99 1345776.29 184.17

4A-2 6" CAP 328767.34 1345747.93 184.17

4A-3 6" CAP 328659.58 1345693.99 182.17

4A-4 6" CAP 328836.97 1345675.17 182.17

4A-5 6" BEND 328768.98 1345535.25 179.84

4A-5 6" CAP 328932.72 1345596.64 182.17

4A-6 6" CAP 329048.10 1345537.30 184.19

4A-7 6" CAP 329169.46 1345480.24 186.92

4A-8 6" CAP 329267.60 1345414.48 189.27

4A-9 6" CAP 329335.60 1345337.42 191.13

4A-10 6" CAP 329329.99 1345232.78 192.17

4A-11 6" CAP 329335.36 1345132.26 192.63

4A-12 6" CAP 329338.56 1345030.92 194.17

4B;4B-1 8" X 6" 328700.93 1345446.06 178.17

4B 8" CAPPED STUB 328700.62 1345442.81 178.17

4B-1 6" CAPPED STUB 328697.33 1345443.17 178.17

SUBCELL 4B LEACHATE PIPE STAKE-OUT

DESCRIPTION NORTHING EASTING INVERT

4B 8" BEND 328689.05 1345326.23 180.47

4B;4B-2;4B-3 8" X 6" X 6" 328691.60 1345320.58 180.59 4B;4B-4;4B-5 8" X 6" X 6" 328740.09 1345213.34 182.90 4B;4B-6;4B-7 8" X 6" X 6" 328788.59 1345106.10 185.22

4B CAPPED STUB 328836.87 1344999.32 187.53

4B-1 BEND 328684.62 1345432.63 178.50

4B-1 6" CAP 328403.32 1345088.76 184.17

4B-2 6" CAP 328906.51 1345299.24 183.20

4B-3 6" CAP 328464.93 1345004.76 186.17

4B-4 6" CAP 328999.73 1345187.57 186.10

4B-5 6" CAP 328528.45 1344918.46 188.17

4B-6 6" CAPPED STUB 328924.38 1345092.62 186.81

4B-7 6" CAP 328606.90 1344852.97 190.17

SUBCELL 4C LEACHATE PIPE STAKE-OUT

DESCRIPTION EASTING NORTHING INVERT

4C;4C-2;4C-3 8" X 6" X 6" 1344989.06 328841.51 187.75 4C;4C-4;4C-5 8" X 6" X 6" 1344891.62 328885.57 189.86

4C;4C-6 8" X 6" 1344784.38 328934.06 192.18

4C LEACHATE CLEANOUT 1344733.66 328957.00 198.00

4C-1 6" CAP 1345066.30 329189.52 190.24

4C-2 6" CAP 1344940.04 329335.45 193.97

4C-3 6" CAP 1344815.70 328717.08 190.32

4C-4 6" CAP 1344847.83 329326.76 196.17

4C-5 6" CAP 1344789.56 328812.31 192.17

4C-6 6" CAP 1344760.77 329171.98 196.17

CELL 4 BYPASS DRAIN STAKE-OUT

DESCRIPTION EASTING NORTHING INVERT

10" X 8" CONNECTION TO

UNDERDRAIN

1345514.94 328660.19 173.87

8" TURN DOWN 1345470.04 328714.74 178.00

8" X 8" CONNECTION 1345468.45 328716.67 178.00

8" 1/8 BEND 1345230.21 329006.12 185.40

8" 1/8 BEND 1345174.41 329011.53 186.28

8" X 6" CONNECTION 1345094.68 328936.74 186.75

8" X 8" CONNECTION 1344991.82 328840.26 187.69

X X

X

XXXXXXXX

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

30" SD

36" SD

" S

D

18" SD

36" SD

E 1345000

N 32

E 1345000 N 32

N 32

E 1345500

CELL 4

SUBCELL 4A

SUBCELL 4B

SUBCELL 4C

INV=192.15

0.98%

EW-1

TW=196.25

30" RCP

EX. ES-1

INV=193.34

4 19

8 18

8 18

198198

7 ACCESS ROAD

2.0% FINAL SLOPE

2.0% FINAL SLOPE

2.0% FINAL SLOPE

2.6% FINAL SLOPE

2.4% FINAL SLOPE

(PHASE I)

(PHASE II)

(PHASE III)

C-1

C -2

0+00 1+00

2+00 3+00

4+00 5+00

6+00 7+00

8+00 9+00

1+

0+

2+

3+

4+

5+

6+

7+

8+

9+

EDGE OF BOTTOM LINER, PROVIDE

MARKERS AND LOCATION TAPE IN

ACCORDANCE WITH THE

SPECIFICATIONS (TYP.)

EDGE OF BOTTOM LINER, PROVIDE

MARKERS AND LOCATION TAPE IN

ACCORDANCE WITH THE

SPECIFICATIONS (TYP.)

2.4

F

IN

AL

S

LO

PE

2.4% FINAL SLOPE

2.0

F

IN

AL

S

LO

PE

WEST SEDIMENT BASIN

PROPOSED

HEADWALL EW-1,

PROPOSED 30"

STORM DRAIN AND

PROPOSED RIP RAP,

SEE SHEET LD-03

OF

SHEET

OFOF

SCALE

OF

DES:

DRN:

CHK:

BY NO.

CHIEF DATE

KJ

DATE:

REVISION DATE

6TH ELECTION DISTRICT CHARLES COUNTY, MARYLAND

CHARLES COUNTY GOVERNMENT

CAPITAL SERVICES DIVISION

KL

CHARLES COUNTY LANDFILL NO. 2

CELL 4 CONSTRUCTION

PGM# DSP-210023

MG, TW

TECHNOLOGIES

CK

ENGINEERS

PLANNERS

SCIENTISTS

CONSTRUCTION MANAGERS

936 RIDGEBROOK ROAD

SPARKS, MD 21152

PHONE: (410) 316-7800

FAX: (410) 316-7817

www.kci.com

I

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8,

- 1

0:

r:

ke vi n.

ja ck so n

M :\2

0\

9\ D ra w in gs

\C -0

6_ A cc es s R oa d

Pl an

.d w g

Charles County Approvals Remarks or Conditions Grading Construction as-builts

Roads Construction as-builts

Storm Drainage Construction as-builts

Stormwater Management Construction as-builts

Water Construction as-builts

Sewer Construction as-builts

Other Construction as-builts This Permit Expires on:

date: date:

AS SHOWN

Jan 28, 2022

PGM# DSP-210023

PG

M

D

SP

-2

3PG

M

# D

SP-210023

CELL 4 ACCESS ROAD

& CELL FLOOR FINAL

GRADING PLAN C-06

ACCESS ROAD & CELL 4 GRADING PLAN

SCALE: 1" = 50'

SCALE:

1 20

1" = 50' 50 50

GENERAL NOTES

1. GRADES SHOWN REPRESENT THE TOP OF THE 12" SOIL TOP LAYER (BOTTOM OF CELL FLOOR).

2. SEE SHEET C-07 FOR CROSS SECTION DETAILS.

PROFESSIONAL CERTIFICATION. I hereby certify that these documents were prepared or

0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00 8+00 9+00 10+00

9AANCHOR TRENCH

DETAIL

9BANCHOR TRENCH

DETAIL

EXISTING GROUND

TOP OF SOIL LAYER,

LANDFILL FINAL FLOOR

TOP OF LEACHATE

DRAINAGE LAYER

TOP OF SUBBASE

SEE DETAIL 18, SHEET C-04

TYPICAL BOTTOM LINER

TOP OF SUBGRADE

HIGHEST OBSERVED

GROUNDWATER LEVEL.

MIN. 3'-0" REQUIRED

FROM GROUNDWATER

TO TOP OF SUBGRADE

PROPOSED GRAVEL

CONSTRUCTION / FILLING OPERATIONS

ACCESS ROAD

SLOPE = 2.0% AS MEASURED PERPENDICULAR TO THE CONTOURS

SOIL STOCKPILE

3' -0

3' -0

10" PERFORATED

UNDERDRAIN (SHOWN

OUT OF SECTION)

10" PERFORATED

UNDERDRAIN (SHOWN

OUT OF SECTION)

10" SOLID WALL

UNDERDRAIN (SHOWN

OUT OF SECTION)

0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00 8+00 9+00 10+00

9BANCHOR TRENCH

DETAIL

9A ANCHOR TRENCH

DETAIL

TOP OF SOIL LAYER,

LANDFILL FINAL FLOOR

TOP OF LEACHATE

DRAINAGE LAYER

TOP OF SUBBASE

SEE DETAIL 18, SHEET C-04

TYPICAL BOTTOM LINER

EXISTING GROUND

SOIL STOCKPILE

HIGHEST OBSERVED

GROUNDWATER LEVEL.

MIN. 3'-0" REQUIRED

FROM GROUNDWATER

TO TOP OF SUBGRADE

3'

-0

3.4%

1.2%

0.6% 0.6% 1.2%

10" PERFORATED

HDPE UNDERDRAIN

TRUNKLINE (TYP.)

6" PERFORATED

HDPE UNDERDRAIN

(TYP.)

OF

SHEET

OFOF

SCALE

OF

DES:

DRN:

CHK:

BY NO.

CHIEF DATE

KJ

DATE:

REVISION DATE

6TH ELECTION DISTRICT CHARLES COUNTY, MARYLAND

CHARLES COUNTY GOVERNMENT

CAPITAL SERVICES DIVISION

KL

CHARLES COUNTY LANDFILL NO. 2

CELL 4 CONSTRUCTION

PGM# DSP-210023

MG, TW

TECHNOLOGIES

CK

ENGINEERS

PLANNERS

SCIENTISTS

CONSTRUCTION MANAGERS

936 RIDGEBROOK ROAD

SPARKS, MD 21152

PHONE: (410) 316-7800

FAX: (410) 316-7817

www.kci.com

I

J an

8,

- 1

0:

r:

ke vi n.

ja ck so n

M :\2

0\

9\ D ra w in gs

\C -0

7_ C ro ss

S ec tio ns

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Charles County Approvals Remarks or Conditions Grading Construction as-builts

Roads Construction as-builts

Storm Drainage Construction as-builts

Stormwater Management Construction as-builts

Water Construction as-builts

Sewer Construction as-builts

Other Construction as-builts This Permit Expires on:

date: date:

AS SHOWN

Jan 28, 2022

PGM# DSP-210023

PG

M

D

SP

-2

3PG

M

# D

SP-210023

CELL 4

CROSS-SECTION C1

CROSS SECTION C-2

C-07

SCALE:

1 20

1" = 50' 50 50 0

SCALE:

1 20

1" = 5' 5 5

CELL 4 CROSS-SECTION C2

SCALE: 1" = 50' HORIZONTAL

1" = 5' VERTICAL

C2

CELL 4 CROSS-SECTION C1

SCALE: 1" = 50' HORIZONTAL

1" = 5' VERTICAL

C1

PROFESSIONAL CERTIFICATION. I hereby certify that these documents were prepared or

L L

L L

L

MONITORING

WELL

INV.=167.82

INV.=177.38

INV.=176.85

INV.=188.28

INV.=188.07

INV.=144.09

TOP=181.26

180190

176178182184186188

POND

W.S.E.=175.45

M H

Stairs

XXXXX

X

X

X

XX

XXX

XXXXX

X

X X

X X

X X

X X

X X

X X

X X

X X

XXXXXXXX

L

L

L L

L L

L

L

L

L L

18" SD

36" SD

12" SD

36" SD

LEACHATE

STORAGE

TANK

LEACHATE

STORAGE

TANK

LT

LT

LT

LT

LT LT LT LT LT LT LT LT LT LT

LT

LT

LT

LT

LT

LT

L L

L L

L

L

L L L L L L

L

L

L L L L L L L L

L

L

L

L L L

L L L

L

L

L

L

L

L

L

L

L L

L

L

L

L

L

L

L

L

L

BD

BD

BD

BD

BD

+9

0+

1+00

2+

3+00

4+00 5+00 6+00 7+00 8+00

9+

+0

11+00

0+460+00

8" PERFORATED HDPE

LEACHATE PIPE

8" PERFORATED HDPE

LEACHATE PIPE

8" SOLID WALL HDPE

LEACHATE PIPE

STA. 0+05

TRANSITION TO 8"

DUAL CONTAINMENT

HDPE LEACHATE

TRANSMISSION PIPE 11BOOTLESS PENETRATION

DETAIL

STA. 0+39

8" 1/8 HB

STA. 1+58

8" 1/8 HB

STA. 2+74

8" 1/8 HB

STA. 3+24

8" 1/8 HB

STA. 8+08

8" 1/8 HB

STA. 8+60

8" 1/8 HB

STA. 9+75

8" 1/8 HB

STA. 10+21

8" 1/16 HB

STA. 11+34

48" DIA. PRECAST MH

SEE CHARLES COUNTY ST'D DETAIL S/1.00

TRANSITION TO SINGLE SOLID WALL HDPE

PIPE, SEE DETAIL ON SHEET C-10

STA. 11+84

8" 1/8 HB

STA. 11+90

CONNECT TO EX. LEACHATE

PUMPING STATION

PROVIDE WATERTIGHT

PENETRATION

PROPOSED LINER

MARKERS (TYP.)

STA. 11+59

8" 1/8 HB

STA. 11+63 LEACHATE TRANSMISSION =

0+00 LEACHATE BYPASS 8" X 8" TEE

8" DUAL CONTAINMENT HDPE LEACHATE TRANSMISSION PIPE

STA. 11+81

8" 1/8 HB

STA. 11+67

8" 1/8 HB

STA. 11+74

8" VALVE IN 4' DIA. PRECAST

MANHOLE. SEE CHARLES

COUNTY ST'D DETAIL S/1.00

(TYP.)

STA. 0+06 8" 1/8 HB

STA. 0+11

8" VALVE IN 4' DIA. PRECAST

MANHOLE. SEE CHARLES COUNTY

ST'D DETAIL S/1.00 (TYP.)

STA. 0+18 8" 1/16 HB

STA. 0+28 8" 1/16 HB

STA. 0+46

CONNECT TO EX. LEACHATE

MANHOLE WITH INSIDE DROP

CONNECTION, SEE CHARLES

COUNTY ST'D DETAIL S/1.06

6" PERFORATED HDPE

LEACHATE PIPE

6" PERFORATED HDPE

LEACHATE PIPE8" SOLID WALL HDPE

LEACHATE PIPE

6" PERFORATED HDPE

LEACHATE PIPE

6" PERFORATED HDPE

LEACHATE PIPE

14 LEACHATE

TRANSMISSION LINE

16 SUBCELL

SEPARATION BERM

8" SOLID WALL HDPE

BYPASS DRAIN

FUTURE LEACHATE

PRETREATMENT

SYSTEM (BY OTHERS)

FUTURE LEACHATE

MANAGEMENT

SYSTEM (BY OTHERS)

CONFIGURE SUMP TO ENSURE

POSITIVE FLOW TO LEACHATE

COLLECTION PIPES

STA. 0+49

8" 1/8 HB

STA. 0+77

8" 1/8 HB

19 MANHOLE DETAIL

4%

1.4%

1.3%

2.0%

1.

2%

1.5%

1.3%

1.3%

1.4%

2.8%

1.

0%

1.2%

2.0%

1.9%

EXISTING

CELL 3A

OF

SHEET

OFOF

SCALE

OF

DES:

DRN:

CHK:

BY NO.

CHIEF DATE

KJ

DATE:

REVISION DATE

6TH ELECTION DISTRICT CHARLES COUNTY, MARYLAND

CHARLES COUNTY GOVERNMENT

CAPITAL SERVICES DIVISION

KL

CHARLES COUNTY LANDFILL NO. 2

CELL 4 CONSTRUCTION

PGM# DSP-210023

MG, TW

TECHNOLOGIES

CK

ENGINEERS

PLANNERS

SCIENTISTS

CONSTRUCTION MANAGERS

936 RIDGEBROOK ROAD

SPARKS, MD 21152

PHONE: (410) 316-7800

FAX: (410) 316-7817

www.kci.com

I

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8,

- 1

0:

r:

ke vi n.

ja ck so n

M :\2

0\

9\ D ra w in gs

\C -0

8_ L ea ch at e

Pi pe

P la n.

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Charles County Approvals Remarks or Conditions Grading Construction as-builts

Roads Construction as-builts

Storm Drainage Construction as-builts

Stormwater Management Construction as-builts

Water Construction as-builts

Sewer Construction as-builts

Other Construction as-builts This Permit Expires on:

date: date:

AS SHOWN

Jan 28, 2022

PGM# DSP-210023

PG

M

D

SP

-2

3PG

M

# D

SP-210023

PROFESSIONAL CERTIFICATION. I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the State Of Maryland, License No. , Expiration Date .

LEACHATE TRANSMISSION

PIPE PLAN C-08

LEACHATE TRANSMISSION PIPE PLAN

SCALE: 1" = 50'

SCALE:

1 20

1" = 50' 50 50

LEACHATE TRANSMISSION PIPE STAKE-OUT

STATION DESCRIPTION NORTHING EASTING

0+00 8" X 8" LEACHATE CONNECTION 328701.68 1345487.26

0+05 TRANSITION TO 8" DUAL CONTAINMENT PIPE 328697.82 1345490.44

0+39 8" DUAL CONTAINMENT 1/8 HB 328671.50 1345512.11

0+49 8" DUAL CONTAINMENT 1/8 HB 328670.53 1345522.06

0+77 8" DUAL CONTAINMENT 1/8 HB 328688.41 1345543.78

1+58 8" DUAL CONTAINMENT 1/8 HB 328680.62 1345624.27

2+74 8" DUAL CONTAINMENT 1/8 HB 328591.76 1345698.83

3+24 8" DUAL CONTAINMENT 1/8 HB 328587.60 1345748.14

8+08 8" DUAL CONTAINMENT 1/8 HB 328900.01 1346118.16

8+60 8" DUAL CONTAINMENT 1/8 HB 328951.95 1346122.55

9+75 8" DUAL CONTAINMENT 1/8 HB 329040.20 1346048.02

10+21 8" DUAL CONTAINMENT 1/16 HB 329085.77 1346051.86

11+34 48" DIA. PRECAST MH 329186.16 1346103.71

11+59 8" 1/8 HB 329193.73 1346127.48

11+63 8" X 8" TEE 329191.90 1346131.03

11+67 8" 1/8 HB 329190.06 1346134.58

11+74 8" VALVE 329192.13 1346141.08

11+81 8" 1/8 HB 329194.20 1346147.57

11+84 8" 1/8 HB 329192.56 1346150.76

11+90 CONNECT TO EX. LEACHATE PUMPING STATION 329187.47 1346152.38

LEACHATE TRANSMISSION BYPASS PIPE STAKE-OUT

STATION DESCRIPTION NORTHING EASTING

0+00 8" X 8" TEE 329191.90 1346131.03

0+06 8" 1/8 HB 329197.23 1346133.78

0+11 8" VALVE 329198.87 1346138.93

0+18 8" 1/16 HB 329200.85 1346145.12

0+28 8" 1/16 HB 329199.99 1346155.26

0+46 CONNECT TO EX. LEACHATE MH 329205.58 1346172.79

0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00 8+00 9+00 10+00 11+00 12+00

8" HDPE DUAL CONTAINMENT LEACHATE TRANSMISSION PIPE @ 1.9%

ST

A

0+

" S

O

LI

D W

AL

L

H D

PE

L

EA

C

H

AT

E

PI

PE

IN

V.

.3

ST

A 0+

T

R

AN

SI

TI

O N

T O

" D

U

AL

C O

N

TA

IN

M

EN

T

H D

PE

L

EA

C

H

AT

E

TR

AN

SM

IS

SI

O N

P

IP

E

IN

V.

.2

11BOOTLESS PENETRATION

DETAIL

ST

A

0+

" 1

/8 H

B

IN

V.

.6

ST

A

1+

" 1

/8 H

B

IN

V.

.3

ST

A

2+

" 1

/8 H

B

IN

V.

.0

ST

A

3+

" 1

/8 H

B

IN

V.

.1

ST

A

8+

" 1

/8 H

B

IN

V.

.8

ST

A

8+

" 1

/8 H

B

IN

V.

.8

ST

A

9+

" 1

/8 H

B

IN

V.

.6

ST

A

+2

8"

/1

H

B

IN

V.

.7

ST

A

+3

" D

IA

. P

R

EC

AS

T

M

AN

H O

LE

T

O P

EL

EV

. 1

.0

IN

V.

.6

ST

A

+5

8"

/8

H B

IN

V.

.1

ST

A

+6

0+

LE

AC

H

AT

E

BY

PA

SS

8" X

" T

EE

IN

V.

.0

ST

A

+9

C

O N

N

EC

T

TO

EX

. L

EA

C

H

AT

E

PU

M

PI

N G

S

TA

TI

O

N

IN

V.

.5

EX. GROUND FROM BEN DYER SURVEY

DATED APRIL 2020

EX. GROUND FROM CHARLES COUNTY

DEM SURFACE

ST

A

+6

8"

/8

H B

IN

V.

.9

ST

A

+7

8"

V

AL

VE

IN

V.

.8

ST

A

+8

8"

/8 H

B

IN

V.

.6

ST

A

+8

8"

/8 H

B

IN

V.

.6

EX. LEACHATE

PIPE

EX. OVERFLOW

PIPE

EX

. L

EA

C

H

AT

E

PU

M

PI

N G

S

TA

TI

O

N

ST

A

0+

" 1

/8 H

B

IN

V.

.4

ST

A 0+

" 1 /8

H B

IN

V.

.8

8" HDPE DUAL CONTAINMENT LEACHATE TRANSMISSION PIPE @ 1.9% 8" HDPE LEACHATE

TRANSMISSION PIPE

@ 1.9%

0+00 1+00

EX. LEACHATE

FROM CELL 2A

INV. 152.23

EX. LEACHATE

FROM CELL 1

INV. 151.98

EX. LEACHATE

FROM CELL 3A

INV. 152.28

EX. LEACHATE

TO EX. VALVE

VAULT INV. 151.73

EX. GROUND FROM

CHARLES COUNTY

D.E.M. SURFACE

EX. GROUND FROM

BEN DYER SURVEY

DATED APRIL 2020

ST

A

0+

1+

LE

AC

H

AT

E

TR

AN

SM

IS

SI

O N

8" X

" T

EE

IN

V.

.0

ST

A 0+

" 1 /8

H B

IN

V.

.9

ST

A

0+

" V

AL

VE

IN

V.

.8

ST

A

0+

" 1

/1

H B

IN

V.

.7

ST

A

0+

" 1

/1

H B

IN

V.

.5

ST

A

0+

C O

N N

EC

T

TO

EX

. L

EA

C H

AT

E

M

AN

H O

LE

W

IT

H

IN

SI

D E

D R

O P

C O

N N

EC

TI

O N

C H

AR

LE

S C

O U

N

TY

ST

'D

D

ET

AI

L

S/ 1.

IN

V.

.1

EX

. L

EA

C

H

AT

E M

AN

H

O

LE

8" HDPE

LEACHATE BYPASS

PIPE FROM

CELL 4 @1.8%

OF

SHEET

OFOF

SCALE

OF

DES:

DRN:

CHK:

BY NO.

CHIEF DATE

KJ

DATE:

REVISION DATE

6TH ELECTION DISTRICT CHARLES COUNTY, MARYLAND

CHARLES COUNTY GOVERNMENT

CAPITAL SERVICES DIVISION

KL

CHARLES COUNTY LANDFILL NO. 2

CELL 4 CONSTRUCTION

PGM# DSP-210023

MG, TW

TECHNOLOGIES

CK

ENGINEERS

PLANNERS

SCIENTISTS

CONSTRUCTION MANAGERS

936 RIDGEBROOK ROAD

SPARKS, MD 21152

PHONE: (410) 316-7800

FAX: (410) 316-7817

www.kci.com

I

J an

8,

- 1

0:

r:

ke vi n.

ja ck so n

M :\2

0\

9\ D ra w in gs

\C -0

9_ L ea ch at e

Pi pe

P ro fil e.

dw g

Charles County Approvals Remarks or Conditions Grading Construction as-builts

Roads Construction as-builts

Storm Drainage Construction as-builts

Stormwater Management Construction as-builts

Water Construction as-builts

Sewer Construction as-builts

Other Construction as-builts This Permit Expires on:

date: date:

AS SHOWN

Jan 28, 2022

PGM# DSP-210023

PG

M

D

SP

-2

3PG

M

# D

SP-210023

PROFESSIONAL CERTIFICATION. I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the State Of Maryland, License No. , Expiration Date .

LEACHATE TRANSMISSION

PIPE PROFILE C-09

LEACHATE TRANSMISSION PIPE PROFILE

SCALE: HORIZ.: 1" = 50'

VERT.: 1" = 5'

SCALE:

1 20

1" = 5' 5 5

SCALE:

1 20

1" = 50' 50 50

LEACHATE TRANSMISSION BYPASS PIPE PROFILE

SCALE: HORIZ.: 1" = 50'

VERT.: 1" = 5'

20'-0"

POROUS BACKFILL

9" , M

IN

SCARIFY AND RECOMPACT SUBGRADE

2% SLOPE 2% SLOPE

10oz. NON-WOVEN GEOTEXTILE FILTER FABRIC

2'-0" 2'-0"

GEOTEXTILE

ANCHORAGE

GEOTEXTILE ANCHORAGE

DETAIL, BOTH SIDES

6"

1'-6" 6"

10oz. NON-WOVEN

GEOTEXTILE

FILTER FABRIC

8" HDPE DUAL

CONTAINMENT PIPE

8" HDPE SINGLE

SOLID WALL PIPE

4' DIA. PRECAST MANHOLE,

CHARLES COUNTY ST'D

DETAIL S/1.00

INSERT DUAL

CONTAINMENT PIPE 8" MIN.

CUT BACK OUTER PIPE 4"

MIN. FOR POSITIVE

WITNESS TO POSSIBLE

LEAK IN PIPE

PROVIDE WATERTIGHT PIPE

PENETRATIONS (TYP.)

INV. 155.63 INV. 155.53

8" SOLID WALL HDPE

BYPASS DRAIN 8" PERFORATED HDPE

LEACHATE COLLECTION

8" HDPE SOLID WALL 1/4

VERTICAL BEND

8" HDPE SOLID WALL 1/4

VERTICAL BENDLINER PENETRATION

AT BYPASS DRAIN

8" SOLID WALL HDPE

BYPASS DRAIN TO UNDREDRAIN

PIPE OUTSIDE OF LANDFILL CELL

GEOCOMPOSITE DRAINAGE LAYER

60 MIL HDPE LINER

INVERT 178.00

INVERT 174.50

CELL 4 SUBBASE

ELEV. 178.00

6" RADIUS

1'

-6

1' -6

CONTINUOUS EXTRUSION

WELD AROUND ENTIRE

HDPE PLATE

5/8" HDPE PLATE

CONTINUOUS EXTRUSION

WELD AROUND PIPE

8" HDPE 1/4 VERTICAL BEND

8" SOLID WALL HDPE

BYPASS DRAIN

SITE DETAILS 1

C-10

TYPICAL ACCESS ROAD SECTION

SCALE: 1/4" =1'-0"

TYPICAL GEOTEXTILE ANCHORAGE

SCALE: 3/4" =1'-0"

DETAIL: LEACHATE MANHOLE

SCALE: 1/2" = 1'-0"

SCALE: 3/4"= 1'-0"

1 2 3 4

1 2 30

SCALE:

1 20

1/2"=1'-0" 12 2

SCALE: 1/4"= 1'-0"

2 30

102 3 4 8 12

DETAIL: BYPASS DRAIN

SCALE: 1/2" = 1'-0"

DETAIL: LINER PENETRATION AT BYPASS DRAIN

SCALE: 1/2" = 1'-0"

1'-6"

MIN.

1'-6"

MIN.

8" PERFORATED

HDPE

6" SOLID-WALL HDPE

6" HDPE 22.5° BEND

8x6 REDUCER

6" HDPE PIPE

2' -0

3' -0

M

IN

SOIL TOP LAYER

FILTER FABRIC

1' -0

GEOCOMPOSITE DRAINAGE LAYER

60 MIL HDPE LINER

FILTER FABRIC, OVERLAP 36" MIN.

24" THICK COMPACTED SUBGRADE

24" THICK COMPACTED CLAY LINER

LEACHATE COLLECTION ZONE (PEA GRAVEL)

2500 PSI CONCRETE SLAB w/ 2.4x2.4 WWF

CENTERED IN SLAB, 3" CLEAR ALL SIDES

3'-0"

SOIL TOP LAYER AS NEEDED TO

MATCH EXISTING GRADE

LINE AND CAP ANCHOR TRENCH WITH

COMPACTED CLAY

METALLIC, DETECTABLE TAPE, SEE

SPECIFICATIONS FOR DETAILS

2' -0

1' -6

NOTE:

SEE PLAN FOR CLEANOUT LOCATIONS

MIN. 4'-6" SQUARE INSTALL 6" HDPE CLEANOUT PIPE IN 12"

SDR 17 HDPE SLEEVE PIPE. CENTER THE

PIPE IN THE SLEEVE USING APPROPRIATE

SPACERS. BEVEL EDGE OF SLEEVE PIPE

TO AVOID DAMAGE TO LINER

4" CRUSHED STONE

BELOW CONCRETE SLAB

3" CRUSHED STONE /

SOIL TO SEPARATE

CLEANOUT PIPE FROM

HDPE LINER

GEOCOMPOSITE CLAY LINER

6" M

IN

1'

-0

9" 9"

GRADE

D

EP

TH

VA

R

IE

S

12"

DUAL-CONTAINMENT

LEACHATE TRANSMISSION

PIPE

UNDISTURBED SOIL

COMPACTED BACKFILL

POROUS BACKFILL

NOTE:

1. SEE PLAN FOR LOCATION OF LEACHATE

TRANSMISSION PIPING.

5. DETAIL APPLIES ONLY TO LEACHATE

TRANSMISSION PIPING

(DUAL-CONTAINMENT PIPING) LOCATED

OUTSIDE THE CELL 4 LINER.

METALLIC, DETECTABLE

TAPE, SEE SPECIFICATIONS

FOR DETAILS

2" MIN., 4" MAX.

PERFORATED HDPE LEACHATE COLLECTION

PIPE

2' -0

60 MIL HDPE LINER

GEOCOMPOSITE DRAINAGE LAYER

ϴ≤1x10 CM/SEC, MIN.

FILTER FABRIC

-2

12" SOIL TOP LAYER k>1x10

CM/SEC-3

12" LEACHATE COLLECTION

ZONE (PEA GRAVEL)

k> 6x10 CM/SEC-2

1' -0

3' -0

3'-0"

24" COMPACTED CLAY LINER

k≤1x10 CM/SEC-5

NOTE:

PROVIDE HDPE CAP AT UPSLOPE END OF EACH PIPE (TYPICAL)

GEOCOMPOSITE CLAY LINER

5/8" HDPE PLATE, TYP.

1'-6"1'-6"

TEST CHAMBER 8" SOLID WALLED HDPE SDR 17 LEACHATE PIPE

12" HDPE CARRIER PIPE

EXTRUSION WELD, TYP.

8" PERFORATED HDPE LEACHATE PIPE

1' -0

1' -0

NOTE:

1:1 SLOPE SHOWN FOR ILLUSTRATIVE PURPOSES ONLY.

MATCH SLOPE OF LINER AS INSTALLED AT THE

PENETRATION LOCATION

8" HDPE COUPLING

12" HDPE COUPLING

8" HDPE LEACHATE TRANSMISSION

LINE INSIDE 12" HDPE CARRIER PIPE

6" RADIUS

1' -6

1'

-6

SECTION

PLAN

CONTINUOUS EXTRUSION WELD

AROUND ENTIRE HDPE PLATE

5/8" HDPE PLATE

60 MIL LINER

CONTINUOUS EXTRUSION

WELD AROUND PIPE

EXTRUSION WELD, TYP., BOTH SIDES

CONTINUOUS EXTRUSION WELD

AROUND ENTIRE CARRIER PIPE,

PIPE

60 MIL HDPE LINER FLAP

EXISTING 60 MIL HDPE LINER

EXISTING CELLS 1, 2A & 3ANEW CELL 4

10'-0" MIN. OVERLAP

BACKFILL ANCHOR TRENCH WITH

COMPACTED CLAY

60 MIL HDPE LINER, SEE DETAIL

OVERLAP

10'-0" MIN.

EXSTING CLAY LINER

COMPACTED CLAY LINER

CONTINUOUS HDPE

WELD, TYP.

3'-0"

SOIL TOP LAYER AS

NEEDED TO MATCH

EXISTING GRADE 2'

-0

1' -6

"PERMANENT LIMIT OF LINER

MARKER, SET IN 12"Ø CONC. GEOCOMPOSITE

DRAINAGE

LAYER

LINE AND CAP ANCHOR TRENCH WITH

COMPACTED CLAY

METALLIC, DETECTABLE TAPE, SEE

SPECIFICATIONS FOR DETAILS

60 MIL HDPE

LINER

1'-0"

3' -0

M

IN

6"

1'-0"

PERMANENT LIMIT OF LINER MARKER SHALL

BE LOCATED AT CORNERS AND CHANGES OF

DIRECTION, AND IN NO CASE SHALL BE MORE

THAN 250' APART

TY

P.

B O

TT

O

M L

IN

ER

SE

E

SH

EE

T

C -0

SOIL TOP LAYER

10'-6"

1'-4"

MIN.

21'-0"

60 MIL ROUGHENED

HDPE FLAP

GEOCOMPOSITE

DRAINAGE LAYER

2' -0

48" WIDE SACRIFICIAL HDPE

STRIP CONTINUOUS HDPE

WELD, TO BOTTOM LINER,

WELD HDPE FLAP TO STRIP,

TYP BOTH SIDES 3

60 MIL HDPE

LINER

PEA GRAVEL

DRAINAGE LAYER

PEA GRAVEL FILL

SUBCELL 4A (PHASE I)

SUBCELL 4C (PHASE III)

SUBCELL 4B (PHASE II)

VALVE OPERATION MATRIX

PHASE I

SUBCELL BEING FILLED

4A

VALVE NUMBER

1 2 3 4 5

CLOSED CLOSED NOT INSTALLED NOT INSTALLED NOT INSTALLED

PHASE II

SUBCELL BEING

DEVELOPED 4B

CLOSED OPEN CLOSED CLOSED CLOSED

SUBCELL BEING FILLED

4B

REMOVED REMOVED CLOSED CLOSED CLOSED

PHASE III

SUBCELL BEING

DEVELOPED 4C

REMOVED REMOVED CLOSED OPEN OPEN

SUBCELL BEING FILLED

4C

REMOVED REMOVED REMOVED REMOVED REMOVED

6" PERFORATED LEACHATE

LATERAL COLLECTION

LINES, TYP.

TO WEST

SEDIMENT POND

REMOVE VALVE 2

AND CAP BOTH PIPES

DURING SUBCELL

4B FILLING

OPERATIONS

REMOVE VALVE 4

AND CAP PIPES ON

BOTH SIDES

DURING SUBCELL

4C FILLING

OPERATIONS

CUT BACK, CAP PIPE AND

ABANDON IN PLACE, AFTER

VALVE 2, 4 & 5 HAVE BEEN

REMOVED. PATCH LINER

PENETRATION

8" SOLID

WALL HDPE

8" PERFORATED

LEACHATE

TRUNKLINE

8" SOLID WALL

LEACHATE

TRANSMISSION

PIPE

8" DUAL CONTAINMENT

LEACHATE TRANSMISSION

PIPE TO LEACHATE

MANAGEMENT FACILITY

8" SOLID WALL BYPASS DRAIN

8" SOLID WALL

HDPE

8" PERFORATED

LEACHATE

TRUNKLINE

REMOVE VALVE 5

AND CAP PIPES ON

BOTH SIDES

DURING SUBCELL

4C FILLING

OPERATIONS8" PERFORATED

LEACHATE

TRUNKLINE

8" PERFORATED

LEACHATE PIPE

REMOVE VALVE 1

AND RECONNECT

LEACHATE PIPE

DURING SUBCELL

4B FILLING

OPERATIONS

REMOVE VALVE 3

AND RECONNECT

LEACHATE PIPE

DURING SUBCELL

4C FILLING

OPERATIONS

SITE DETAILS 2

C-11

LEACHATE COLLECTION SYSTEM CLEANOUT

SCALE: 1/2" = 1'-0"

LEACHATE TRANSMISSION LINE

SCALE: 1/2" = 1'-0"

TYPICAL LEACHATE COLLECTION PIPE DETAIL

SCALE: 1/4" =1'-0"

BOOTLESS LINER PENETRATION DETAIL

SCALE: 3/4" =1'-0"

ANCHOR TRENCH AT CELLS 1, 2A & 3A LINER CONNECTION

SCALE: 1/2" = 1'-0"

9A

ANCHOR TRENCH AT LINER TERMINATION

SCALE: 1/2" = 1'-0"

9B

LEACHATE COLLECTION SYSTEM VALVE SCHEMATIC

SCALE: NONE

SUBCELL SEPARATION BERM

SCALE: 1/4" = 1'-0"

PROFESSIONAL CERTIFICATION. I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the State Of Maryland, License No.__________, Expiration date__________.

SCALE: 3/4"= 1'-0"

1 2 3 4

1 2 30

SCALE:

1 20

1/2"=1'-0" 12 2

SCALE: 1/4"= 1'-0"

2 30

102 3 4 8 12

OFOF

SCALE

OF

DES:

DRN:

CHK:

BY NO.

CHIEF DATE

KJ

DATE:

REVISION DATE

6TH ELECTION DISTRICT CHARLES COUNTY, MARYLAND

CHARLES COUNTY GOVERNMENT

CAPITAL SERVICES DIVISION

KL

CHARLES COUNTY LANDFILL NO. 2

CELL 4 CONSTRUCTION

PGM# DSP-210023

MG, TW

TECHNOLOGIES

CK

ENGINEERS

PLANNERS

SCIENTISTS

CONSTRUCTION MANAGERS

936 RIDGEBROOK ROAD

SPARKS, MD 21152

PHONE: (410) 316-7800

FAX: (410) 316-7817

www.kci.com

I

J an

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0:

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AS SHOWN

Jan 28, 2022

PGM# DSP-210023

PG

M

D

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-2

3PG

M

# D

SP-210023

WEST SEDIMENT CONTROL

BASIN - RECORD DRAWING SB-01

NOTE:

THIS DRAWING WAS ORIGINALLY PART OF THE SET ENTITLED "CHARLES

COUNTY LANDFILL NO. 2: SITE WORK" BY WHITMAN, REQUARDT AND

ASSOCIATES, DATED AUGUST 1992, AND IS PROVIDED FOR INFORMATION

ONLY. THIS DRAWING IS NOT TO SCALE.

PROFESSIONAL CERTIFICATION. I hereby certify that these documents were prepared or of the State Of Maryland, License No. , Expiration Date .35194 06/06/2022

OFOF

SCALE

OF

DES:

DRN:

CHK:

BY NO.

CHIEF DATE

KJ

DATE:

REVISION DATE

6TH ELECTION DISTRICT CHARLES COUNTY, MARYLAND

CHARLES COUNTY GOVERNMENT

CAPITAL SERVICES DIVISION

KL

CHARLES COUNTY LANDFILL NO. 2

CELL 4 CONSTRUCTION

PGM# DSP-210023

MG, TW

TECHNOLOGIES

CK

ENGINEERS

PLANNERS

SCIENTISTS

CONSTRUCTION MANAGERS

936 RIDGEBROOK ROAD

SPARKS, MD 21152

PHONE: (410) 316-7800

FAX: (410) 316-7817

www.kci.com

I

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8,

- 1

0:

r:

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ja ck so n

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AS SHOWN

Jan 28, 2022

PGM# DSP-210023

PG

M

D

SP

-2

3PG

M

# D

SP-210023

EAST SEDIMENT CONTROL

BASIN - RECORD DRAWING SB-02

NOTE:

THIS DRAWING WAS ORIGINALLY PART OF THE SET ENTITLED "CHARLES

COUNTY LANDFILL NO. 2: SITE WORK" BY WHITMAN, REQUARDT AND

ASSOCIATES, DATED AUGUST 1992, AND IS PROVIDED FOR INFORMATION

ONLY. THIS DRAWING IS NOT TO SCALE.

PROFESSIONAL CERTIFICATION. I hereby certify that these documents were prepared or of the State Of Maryland, License No. , Expiration Date .35194 06/06/2022

OFOF

SCALE

OF

DES:

DRN:

CHK:

BY NO.

CHIEF DATE

KJ

DATE:

REVISION DATE

6TH ELECTION DISTRICT CHARLES COUNTY, MARYLAND

CHARLES COUNTY GOVERNMENT

CAPITAL SERVICES DIVISION

KL

CHARLES COUNTY LANDFILL NO. 2

CELL 4 CONSTRUCTION

PGM# DSP-210023

MG, TW

TECHNOLOGIES

CK

ENGINEERS

PLANNERS

SCIENTISTS

CONSTRUCTION MANAGERS

936 RIDGEBROOK ROAD

SPARKS, MD 21152

PHONE: (410) 316-7800

FAX: (410) 316-7817

www.kci.com

I

J an

8,

- 1

0:

r:

ke vi n.

ja ck so n

M :\2

0\

9\ D ra w in gs

\S B-

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S pe cs .d w g

AS SHOWN

Jan 28, 2022

PGM# DSP-210023

PG

M

D

SP

-2

3PG

M

# D

SP-210023

SEDIMENT CONTROL BASIN

SPECIFICATIONS - RECORD

DRAWING SB-03

NOTE:

THIS DRAWING WAS ORIGINALLY PART OF THE SET ENTITLED "CHARLES

COUNTY LANDFILL NO. 2: SITE WORK" BY WHITMAN, REQUARDT AND

ASSOCIATES, DATED AUGUST 1992, AND IS PROVIDED FOR INFORMATION

ONLY. THIS DRAWING IS NOT TO SCALE.

PROFESSIONAL CERTIFICATION. I hereby certify that these documents were prepared or of the State Of Maryland, License No. , Expiration Date .35194 06/06/2022

L

L

MONITORING

WELL

INV.=167.82

INV.=177.38

INV.=176.85

INV.=180.68

INV.=179.96

INV.=183.35

INV.=183.72

INV.=188.28

INV.=188.07

INV.=192.75

INV.=193.02

INV.=193.95

INV.=193.15

INV.=193.34

INV.=193.83

INV.=194.08

INV.=193.20

INV.=194.75

INV.=197.63

INV.=196.80

INV.=192.16

INV.=192.52

INV.=191.03

INV.=190.88

INV.=144.09

INV.=133.28

INV.=147.49

INV.=147.91

TOP=149.28

TOP=181.26

SMH

TOP=157.88

INV. IN=151.98(N)

INV. IN=152.28(NE)

INV. IN=152.23(E)

INV. OUT=6.15(S)

SMH

TOP=157.56

INV. IN=152.98(NE)

INV. OUT=152.88(SW)SMH

TOP=157.46

INV. IN=152.84(NE)

INV. IN=153.34(E)

INV. OUT=152.65(S)

SMH

TOP=157.22

INV. IN=151.79(S)

INV. OUT=151.67(N)

222224