wa-a2013021-Sheets-G.pdf

QUANTITIES

TABULATION OF

MSE WALL

G.1

STATE PROJECT

NUMBER

SHEET

U

S S u r ft

D c m y fi le s p w p r o d u c ti o n d w a a w a .d g n

WA SKAGIT 40076(1)

A

M

J u ly

C

C o n r a d

C h e c k e d b y

D e s ig n e d b y

BH2008-1

BH2008-2

POT 199+96.00

P I

.0

P O

T

.9

P O

T

.0

POT 100+27.11

P I

.1

G.2

STATE PROJECT

NUMBER

SHEET

U

S S u r ft m y fi le s p w p r o d u c ti o n d w a a w b .d g n

WA SKAGIT 40076(1)

J u ly

C o n r

C h e c k e d b y

D e s ig n e d b y

N

1020 1020

1030 1030 1030

1020 1020

100+00

100+10

100+20

100+30

200+00

200+10

200+20

199+90

MSE WALLS

FOOTNOTE:

abutment. Returns are not measured for payment.

returns on the section of wall behind the existing concrete material a minimum of 4' into the backfill. Do not construct

Terminate the end of each lift with a return of the wall facing[1]

ELEVATION

ELEV 1,030.00

E 19,885.382

N 10,450.000

100+27.11 (WALL)

9+99.90, 11' RT. (MAINLINE)

SUSPEND MSE WALL

ELEV 1,030.00

E 19,865.845

N 10,463.278

100+00 (WALL)

9+75, 15' RT. (MAINLINE)

BEGIN MSE WALL

Top of MSE wall

MSE leveling pad

Bottom of

Top of MSE wall of MSE wall

Bottom

107 109

100 101 of existing footings

Approximate location

MSE leveling pad

Bottom of

H=9'

L=8'

H=6'

L=8'

H=4.5

L=8'

MSE wall hinge wall hinge

MSE

H=7.5'

L=8'

H=10.5

L=10'

H=12'

L=11' [1]return mats

Construct

[1]return mat Construct[1]return mats

Construct of MSE wall

Bottom of existing footings

Approximate location

ELEV 1,030.00

E 19,882.482

N 10,447.244

100+23.11 (WALL)

9+99.90, 11' RT. (MAINLINE)

MSE WALL HINGE

Front face of wall of wall

Front face

ELEV 1,029.50

E 19,922.806

N 10,402.650

200+14.99 (WALL)

10+60 16.59' RT (MAINLINE)

END MSE WALL

ELEV 1,029.50

E 19,918.117

N 10,418.330

199+96 (WALL)

10+45.41, 9.10' RT. (MAINLINE)

RESUME MSE WALL

ELEV 1,029.50

E 19,915.219

N 10,415.573

200+00 (WALL)

10+45.41 13.10' RT. (MAINLINE)

MSE WALL HINGE

See "MSE Wall Typical" sheet G.4

H = Wall height

L = Reinforcement length

5 10

10301030

POINT TABLE

MSE WALL

G.3

STATE PROJECT

NUMBER

SHEET

U

S S u r ft m y fi le s p w p r o d u c ti o n d w a a w c .d g n

WA SKAGIT 40076(1)

J u ly

C o n r

C h e c k e d b y

D e s ig n e d b y of 1' past reinforcement

Extend excavation a min.

Varies

LC

MSE WALL TYPICAL

MSE WALL DETAILS

2% min. Slope

Roadway

Wall face, vertical see detail on Sheet G.5

Underdrain system, embankment, varies

Toe of wall

H W a ll h e ig h t v a r ie s

Existing ground excavation

Conserved surface for bottom reinforcement

Provide level bearing granular backfill

Select

2'

Varies

30"

10" max

4' min. geogrid lap

Select granular backfill

18" (typ)

6" min.

manufacturer's recommendations

Install rodent guard per

Geotextile lap

18" min.

[1]Wall facing fill

[2

:1 .5

[3]pad structural backfill

6" min. Leveling

See ELEVATION on sheet G.2

(L) Reinforcement (varies) class 2 type A (Nonwoven) Geotextile filter, geosynthetic, type II (geogrid) Reinforcement

G.4

STATE PROJECT

NUMBER

SHEET

U

S S u r ft m y fi le s p w p r o d u c ti o n d w a a w d .d g n

WA SKAGIT 40076(1)

J u ly

C o n r

C h e c k e d b y

D e s ig n e d b y

FOOTNOTE:

towards underdrain system.

Slope bottom of excavation at a minumum 2 percent grade to drain accordance with OSHA regulations.

1:1.5 Slope shown. Construct slopes at stable inclinations and in

Furnish wall facing fill meeting the requirements of Subsection 705.08.[1]

[2]

[3] wall construction. See detail sheet I.4 guardrail post locations during

Install a 23" plastic pipe at

DETAILS

MSE WALL (GEOGRID)

min.

24" min.

6" (nonwoven) recommendations.

Bend welded wire form in accordance with manufactures

Length of support struts to be determined by contractor.

requirements.

Field cut transverse wires to meet welded wire form layout [1]

[2]

[3]

FOOTNOTE:

WIRE FORM TYPICAL LAYOUT

PROFILE

ty p

Stagger form joints

TYPICAL SECTION

UNDERDRAIN SYSTEM

6" PERFORATED PIPE

1% min.

12"

Granular backfill

Geotextile filter, class 2, type A

Select granular backfill connect outlet and collector pipes

Provide manufacturer's fittings to

WELDED WIRE FORM

galvanized ring type fasterners

Alternately, butt forms and use adjoining wire form for support.

Place edge of wire form inside

Longitudinal wires

[2]spaced 16" C. to C.(min.)

No. 4 wire support struts

[1]Transverse wires Top of form

96"

30"

4 x 4 - W5 x W5

W a ll f a c e

Wall face

OUTSIDE WALL CORNER - PLAN VIEW

no overlap

Butt adjacent geogrid rolls, stem wall Existing concrete

Footing Existing concrete

Geogrid

Cut

Corner

Reinforcement length

A A

FACING DETAIL - CORNER

4' (min) appropriate angle Bend to welded wire facing along bottom leg of Cut horizontal wires of wall Front face of wall Return face

[3]wire facing unit on vertical leg of welded Bend horizontal wires

No scale

SECTION A-A

Geogrid m in concrete footing Existing layer up above footingnd2 around footing and wrap

Cut bottom layer of geogrid

[1]8'-0", typ.

G.5

STATE PROJECT

NUMBER

SHEET

U

S S u r ft m y fi le s p w p r o d u c ti o n d w a a w e .d g n

WA SKAGIT 40076(1)

J u ly

C o n r

C h e c k e d b y

D e s ig n e d b y at locations designated by the CO.

Provide one outlet drain per wall