SOW Drawing 2.pdf

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2 3 4 5 6 7 8 9 10

US Army Corps of Engineers

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SCH40 PVC

L=2';S=0.05%

4" PVC OBSERVATION

PORT TO GRADE

EXISTING

GRADE

D-BOX WITH

RISER TO

GRADE

4" SCH40 PVC

L=42'; S=2.0%

4" SCH40 PVC

L=47';

S=4.25%

4" SEWER

CLEANOUT

TO GRADE

EXISTING

BUILDING

END

CAP

END

CAP

24" MANHOLES

WITH RISERS

TO GRADE

E.S.H.W.T.

ELEV.

352.25

PROPOSED

GRADE

LEACHING

TRENCH

1000 GALLON

SEPTIC TANK

M I N

M I N

3" AIR

GAP

4" SCH 40 PVC

INLET TEE

M I N

SCH 40 PVC OUTLET

TEE WITH EFFLUENT

FILTER (SEE NOTE 1)

No 6 STONE AGGREGATE

6" COMPACTED

THICKNESS

LEVEL BASE

MID-DEPTH

TRANSFER PORT

(SEE NOTE 2 AND 3)

PRECAST CONCRETE

RISERS SET ON A BED

OF MORTAR (TYP)

SEAL INLET AND OUTLET

PIPES WITH NON-SHRINK

GROUT

LIQUID LEVEL

(FLOW LINE)

PRECAST

CONCRETE

CONSTRUCTION

FRAME TO BE SET IN FULL

BED OF MORTAR (TYP)

M

I N

L I Q

U

P

T H

9"

(TYP)

UNDISTURBED NATURAL SOIL

OR COMPACTED SUBGRADE

SEAM (TYP)

OUTLET INVERT = 357.28

INLET INVERT = 357.53

FINISHED GRADE

4" TOPSOIL AND SEED

COMPARTMENT 2 VOLUME

= 1/3 OF TOTAL VOLUME

COMPARTMENT 1 VOLUME

= 2/3 OF TOTAL VOLUME

NOTES:

1. EFFLUENT FILTER SHALL BE RATED FOR

DESIGN FLOW WITH 45 SQUARE INCHES

(MIN) OF TOTAL OPENING AREA.

2. THE TRANSFER PORT SHALL BE AT

MID-DEPTH WITH OPENING IN MIDDLE

AT 25 PERCENT OF LIQUID DEPTH.

3. THE MID-DEPTH CONNECTION SHALL

UTILIZE A MIN 4" DIA SCH 40 PVC PIPE

SEALED IN PLACE WATERTIGHT.

6" MIN COVER

OVER TOP OF

TANK REQUIRED

NOTE:

1. 10" ROUND COMMERCIAL GRADE IRRIGATION VALVE BOX WITH

ROUND OVERLAPPING COVER SHALL BE A HIGH-DENSITY

STRUCTURAL FOAM POLYETHYLENE VALVE BOX AND COVER WITH

UV INHIBITORS TO PREVENT DISCOLORATION AND CRACKING;

BOX AND COVER COLOR SHALL BE GREEN.

4" SCH

40 PVC

4" SCH 40 PVC

COUPLING

4" SCH 40 PVC

CORE 4.5" DIA

HOLE IN CHAMBER

NATIVE

BACKFILL

No 6 STONE

AGGREGATE

BEDDING

4" SCH 40

PVC PIPE

10" ROUND VALVE

BOX (SEE NOTE 1)

4" SCH 40

SCREW-IN CAP

4" LOAM &

SEED

6" MIN

(TYP.)

No 6 STONE

AGGREGATE

BEDDING AND

INITIAL FILL

NATIVE

BACKFILL MATERIAL

FROM EXCAVATION

4" LOAM AND SEED

EXCAVATION

LINE

V A

R I E

S V

A R

I E

S

G

A

D E

O D

P I P

E

8" MIN.

6" MIN.

MIN. MIN.

12" PIPE 12"

PIPE

Flow

4" TOPSOIL AND SEED

4" SCH 40

PVC PIPE

TO SEPTIC

TANK

6" THICK

No 6 STONE AGGREGATE

SEWER TO

BUILDING

2"

CAST/DUCTILE IRON

CLEANOUT FRAME

CAST IRON CLEANOUT

RECESSED PLUG AND

CAP

8" PVC

PIPE

SLEEVE

4" TOPSOIL

& SEED

SAND CUSION

4" SCH 40 PVC

PIPE RISER

10" CAST/DUCTILE IRON

CLEANOUT COVER

TWO-WAY

CLEANOUT

16" 2"

(6) 4" DIA OUTLET

PLASTIC PIPE SEAL

2"

2.5"10"

(1) 4" INLET

7"

O.C.

8"

1 INLET & 6 OUTLET KNOCKOUT PLUGS

SECTION VIEW

2"

12" PRECAST

CONCRETE

MANHOLE

RISER

SECTIONS

MORTAR "KEY"

AND AROUND

OUTSIDE

4" TOPSOIL

AND SEED

1'-5"

12"x12" FRAME &

COVER (SEE NOTE 4)

2'-1.5"

6" MIN.

No 6 STONE

AGGREGATE

NOTES:

1. DISTRIBUTION BOX WIDTH = 1'-5" AND DISTRIBUTION BOX LENGTH = 1'-5".

2. CONCRETE STRENGTH SHALL BE 4000 PSI AT 28 DAYS WITH 6" BY 6" BY

10 GAUGE STEEL WIRE MESH. USE HYDRAULIC COMPOUND CONNECTIONS

TO PROVIDE WATER TIGHTNESS AT DISTRIBUTION BOX INLET AND OUTLETS.

3. THE DISTRIBUTION BOX SHALL BE CONSTRUCTED OR SET LEVEL ON A

STABLE BASE WHICH IS MECHANICALLY COMPACTED. CONTRACTOR TO

PROVIDE A MINIMUM OF 6" COARSE AGGREGATE BASE.

4. MANHOLE FRAME AND COVER TO BE CAST/DUCTILE IRON, WITH MIN. 12"x12"

CLEAR OPENING.

FIELD ADJUST

RISERS TO

FINISHED

GRADE

34"

DEPTH PER

DESIGN

48"

(EFFECTIVE LENGTH)

34"

(EFFECTIVE LENGTH)

48"

7'

TRENCH (36")

TRENCH (36")

17" INLET END

(EFFECTIVE LENGTH)

11.75" OUTLET END

(EFFECTIVE LENGTH)

12"

INVERT 8"

12"

8"

NATIVE BACKFILL

4" SCH 40

PVC

4" TOPSOIL

AND SEEDOBSERVATION

PORT

ESTABLISH VEGETATIVE COVER

NATIVE BACKFILL

4" TOPSOIL AND SEED

TYPICAL LONGITUDINAL SECTION

TYPICAL CROSS SECTION

36'-0"

(EACH TRENCH TO INCLUDE 9 FOUR-FT CHAMBERS)

12"

12" No 6 STONE AGGREGATE BACKFILL

CHAMBER

END CAP

(TYP)

12"

CENTER TO CENTER

M I N

CHAMBER END CAP

BOTTOM AT EL. 354.25

A

B O

V

S

H

W

3"

3" AIR

GAP

24" CAST/DUCTILE IRON MANHOLE

FRAME AND COVER (TYP OF 2; SET

RIM AT FINISHED GRADE)

INFILTRATOR SYSTEMS

QUICK4 STANDARD CHAMBER

OR APPROVED EQUAL BY

CULTEC, INC OR ADVANCED

DRAINAGE SYSTEMS (ADS);

TYP

COVER WITH NON-WOVEN

FABRIC (TYP)

INFILTRATOR SYSTEMS QUICK4 STANDARD

CHAMBER OR APPROVED EQUAL BY CULTEC, INC

OR ADVANCED DRAINAGE SYSTEMS (ADS); TYP

SELECT FILL (5' BEYOND

TRENCH WALLS ALL AROUND)

REPLACE EXISTING FILL

WITH SELECT FILL BELOW

BOTTOM OF TRENCH (TYP)

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%%U1000 GALLON DUAL COMPARTMENT SEPTIC TANK

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%%USEWER CLEANOUT AND COVER

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%%USEPTIC SYSTEM PROFILE

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%%UTYPICAL PIPE TRENCH

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%%UDISTRIBUTION BOX (D-BOX)

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%%UCHAMBER OBSERVATION PORT

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%%USEPTIC LEACHING CHAMBER