CHECKED BY:

COPYRIGHT:

DESIGNED BY:

DRAWN BY:

CAD DWG FILE:

PROJECT NO.:

SHEET

B

TITLESTAGE B CLOSURE

C

A

431 2

DATEDESCRIPTION

ISSUE:

1

SHEET TITLE

4

C

32

B

A

1

DAVIS LANDFILL - STAGE B CLOSURE

LIST OF DRAWINGS

SHEET TITLE .

1 TITLE SHEET

2 GENERAL ARRANGEMENT

3 SITE PLAN

4 ELEVATION VIEW

5 DETAILS

VICINITY MAP

(NOT TO SCALE)

LOCATION MAP

(NOT TO SCALE)

DAVIS

LANDFILL

7.5 MINUTE USGS TOPOGRAPHIC MAP

(LAYTON, UTAH)

PREPARED

FOR BID

1/15/18 DRAFT

BID PACKAGE1/22/18

CHECKED BY:

COPYRIGHT:

DESIGNED BY:

DRAWN BY:

CAD DWG FILE:

PROJECT NO.:

ARRANGEMENT

B

GENERALSTAGE B CLOSURE

C

A

431 2

DATEDESCRIPTION

ISSUE:

2

SHEET TITLE

4

C

32

B

A

1

ACTIVE

LANDFILL

CELL

(PHASE V)

HISTORIC

LANDFILL

PHASE III

CAPPED

LANDFILL

CELL

COMPOST &

GREEN WASTE

0

SCALE IN FEET

30 60 120 240

CITIZEN

DROP-OFF

OFFICE/

SHOP

SCALE

HOUSE

PROPOSED

STAGE B

CLOSURE

PROPOSED

STAGE B CLOSURE

STAGE A CLOSURE

PHASE V LINER

OLD LANDFILL (LLDPE CAP)

PREPARED

FOR BID

1/15/18 DRAFT

BID PACKAGE1/22/18

S-C

4

S-B

4

DT-2

3

S

D

S

D

S

D

S

D

S

D

S

D

S

D

S

D

S

D

SDSDSDSD

>

>

>

>>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

>

DT-2

3

DT-2

3

DT-2

3

DT-2

3

DT-2

3

DT-2

3

DT-2

3

6-IN Ø

4-IN Ø

6-IN Ø

6-IN Ø

4-IN Ø

6-IN Ø

6-IN Ø

6-IN Ø

14-IN Ø

6-IN Ø

S-A

4

WARP PIPE TO CREATE 90°

BEND INTO EXISTING DITCH.

18-IN Ø SDR 17 HDPE

(DASHED WHERE BURIED)

DT-3

5

DT-4

5

DT-5

5

>

6-IN Ø

MSW/SOIL COVER

60 MIL TEXTURED HDPE

SEED/MULCH (BY OWNER)

DRAINNET

DETAIL

STAGE B FINAL COVER (TYPICAL)

-

DT-1

REINFORCED GCL

36" SOIL

COVER

REINFORCED GCL

60 MIL TEXTURED HDPE

DRAIN NET

PIPE PENETRATION AT HORIZONTAL WELLHEAD

DETAIL

DT-2

-

4 OR 6-IN Ø

HDPE

1

4

1

2

3

4

2

4

4

5

5

7

5

PLAN VIEW

ELEVATION VIEW

6

CHECKED BY:

COPYRIGHT:

DESIGNED BY:

DRAWN BY:

CAD DWG FILE:

PROJECT NO.:

PLAN

B

SITESTAGE B CLOSURE

C

A

431 2

DATEDESCRIPTION

ISSUE:

3

SHEET TITLE

4

C

32

B

A

1

HISTORIC

LANDFILL

(CLOSED)

ACTIVE

LANDFILL

FACE

TEMPORARY

SOIL

COVER

B

E

N

C

H

A

C

C

E

S

S

R

O

A

D

P

E

R

I

M

E

T

E

R

A

C

C

E

S

S

R

O

A

D

0

SCALE IN FEET

15 30 60 120

STAGE A

COVER

STAGE A, B AND PHASE V AREA DETAIL

SCALE: 1"=20'

STAGE A CLOSURE

PHASE V LINER

OLD LANDFILL (LLDPE CAP)

STAGE B CLOSURE

(PROPOSED)

PHASE V

LINER

STAGE B

COVER

STAGE A

CLOSURE

>

STRAW WATTLES

SD

EXISTING STORM DRAIN

(6" Ø HDPE)

1DISCONNECT HDPE PIPE AT FLANGE

6CUT OPENING IN DRAIN NET AND INSTALL

AROUND PIPE.

2CUT SLIT IN GCL AND HDPE, INSTALL OVER 4

OR 6-IN HDPE.

3INSTALL PRIMARY (SMALL) HDPE PATCH AND

EXTRUSION WELD TO HDPE COVER.

4INSTALL SECONDARY (LARGE) HDPE PATCH AND

EXTRUSION WELD TO HDPE COVER.

5EXTRUSION WELD PATCH OPENING TO HDPE

PIPE

RECONNECT HDPE PIPE AT FLANGE7

RUN-OFF DITCH

PREPARED

FOR BID

1/15/18 DRAFT

BID PACKAGE1/22/18

Profile View of Section C

4840

4850

4840

4850

0+00 1+00 1+82

Profile View of Section B

4825

4850

4900

4825

4850

4900

0+00 1+00 2+00 3+003+05

Profile View of Section A

4825

4850

4900

4825

4850

4900

0+00 1+00 2+00 3+00 4+00 4+17

DT-9

5

DT-6

5

DT-7

5

DT-6

5

DT-8

5

CHECKED BY:

COPYRIGHT:

DESIGNED BY:

DRAWN BY:

CAD DWG FILE:

PROJECT NO.:

VIEW

B

ELEVATIONSTAGE B CLOSURE

C

A

431 2

DATEDESCRIPTION

ISSUE:

4

SHEET TITLE

4

C

32

B

A

1

0

SCALE IN FEET

5 10 20 40

PREPARED

FOR BID

1/15/18 DRAFT

BID PACKAGE1/22/18

RUN-OFF DITCH AT PERIMETER ACCESS RD.

DETAIL

DT-10

-

(N.T.S.)

EXISTING LLDPE COVER TIE-IN

DETAIL

DT-9

4

(N.T.S.)

EXISTING 40-MIL

LLDPE

EXISTING

GEOCOMPOSITE

SOIL COVER

EXTRUSION

WELD

60-MIL TEXTURED

HDPE COVER

UNLINED LANDFILL

(OLD MSW)

LINED LANDFILL

(NEW MSW)

CONTRACTOR TO EXPOSE EXISTING DRAIN NET

AND LLDPE COVER. CONTRACTOR TO CONNECT

HDPE TO EXISTING LLDPE USING EXTRUSION WELD.

ZIP-TIE OR HEAT LEICESTER TO CONNECT GEOCOMPOSITE

DRAINAGE

DITCH

GEOCOMPOSITE

REINFORCED GCL

24" SITE

SOILS

(SEE DT-1)

36" SOIL COVER

MSW/SOIL COVER

1

4

RUNOFF DITCH (SEE DT-8)

PERIMETER ACCESS ROAD

TRENCH (EXISTING)

ANCHOR

BOTTOM ANCHOR TRENCH (COVER)

DT-8

4

DETAIL

COMPOSITE COVER

(SEE DT-1)

LINER (EXISTING)

PHASE V

HEADER PIPE

10-IN Ø HDPE

(SEE DT-1)

COMPOSITE COVER

MSW/SOIL COVER

1

4

3'

BENCH ROAD ANCHOR TRENCH

DT-6

4

DETAIL

3'

3'

COVER

36" SOIL

TO HDPE LINER AT ANCHOR TRENCH

EXTRUSION WELD HDPE COVER

BENCH

ACCESS ROAD

(SEE DT-1)

1

4

1

2 2

1

ACCESS

PERIMETER

ROAD

INFILL (SEE TABLE)

GEOCELL WITH

36" SOIL

COVER

EXTRUSION

WELD

EXISTING HDPE COVER TIE-IN

DETAIL

DT-7

4

(N.T.S.)

STAGE B COVER

(PROPOSED)

STAGE A COVER

(EXISTING)

CONTRACTOR TO EXPOSE EXISTING ANCHOR TRENCH, CUT EXISTING DRAIN NET, ROLL BACK DRAIN NET

AND PREPARE EXISTING HDPE FOR CONNECTION TO NEW COVER. EXTEND GCL BEYOND

ANCHOR TRENCH, EXTEND HDPE BEYOND GCL AND CONNECT TO EXISTING HDPE (STAGE A) USING EXTRUSION

WELD. ZIP-TIE OR HEAT LEICESTER GEO-COMPOSITE TO EXISTING GEO-CEOCOMPOSITE BEFORE

REPLACING SOIL COVER.

36" SOIL

COVER

9

EXISTING

GEOCOMPOSITE

9

EXISTING 60-MIL

HDPE

EXISTING GCL

GEO-COMPOSITE

60-MIL

TEXTURED

HDPE

REINFORCED

GCL

TERMINATE GCL/HDPE

EXTRUSION WELD HDPE

TO EXISING HDPE LINER

COVER

36" SOIL

(SEE DT-1)

1'

TERMINATE

DRAIN NET

DRAIN NET

PLYWOOD

2' WIDE

(EXISTING)

10

PIPE PENETRATION

4 OR 6-IN Ø HDPE

9 LOCATIONS (SEE DT-2)

11

36-IN. SOIL COVER

GCL

HDPE

GEOCOMPOSITE

EXTRUSION WELD

HDPE BOOT

PIPE CLAMP

14"Ø HDPE

BLIND FLANGE

EXTRUSION WELD

VERTICAL PIPE PENETRATION

DT-5

3

DETAIL

20'-0"

18"Ø SDR 17 HDPE

18"Ø SDR 17 HDPE

6" ROAD BASE

18" FLARED END

FLARED END

RIP RAP -

AROUND INLET

GEOCELL

RIP RAP

FLOW

FLOW

CONTINUOUS

~3'6"

~3' 6"

12" GENERAL FILL

GEOCELL WITH

INFILL (SEE TABLE)

2%

S

LO

PE

TO

C

EN

TE

R

2%

S

LO

PE

TO

C

EN

TE

R

WITH INFILL

18"Ø SDR 17 HDPE

7'-0"

GEOCELL WITH

INFILL (SEE TABLE)

90° BEND

~2'-0"

~20'-0"

FLOW

FLOW

DRAINAGE PIPE INLET

DT-3

3

DETAIL

DRAINAGE PIPE OUTLET

DT-4

3

DETAIL

ELEVATION VIEW

PLAN VIEW

PLAN VIEW

8

8

8

CHECKED BY:

COPYRIGHT:

DESIGNED BY:

DRAWN BY:

CAD DWG FILE:

PROJECT NO.:

B

DETAILSSTAGE B CLOSURE

C

A

431 2

DATEDESCRIPTION

ISSUE:

5

SHEET TITLE

4

C

32

B

A

1

9

PHASE V LINER/ANCHOR TRENCH TO BE

EXPOSED AND PREPARED FOR EXTRUSION

WELD.

8

10

8 (EIGHT) HORIZONTAL WELLS AND ONE (1)

DRAINAGE PIPE PENETRATION IN COVER AREA, 9

(NINE) TOTAL PIPE PENETRATIONS TO BE

PATCHED AS SHOWN IN DT-2.

ZIP TIE OR HEAT LEICESTER TO CONNECT

GEO-COMPOSITE

GEOCELL INFILL GRADATION

U.S. SIEVE % PASSING

2 IN 95-100

1-1/2 IN 50-60

1 IN 0-5

3/4 IN 0-2

1/2 IN 0-2

3/8 IN 0-2

#4 0-2

#8 0-2

#200 <1

11

GEOWEB - PRESTO GEOSYSTEMS GW30V6 OR

APPROVED EQUAL.

PREPARED

FOR BID

1/15/18 DRAFT

BID PACKAGE1/22/18