Attachment_1.4.a_-_CLIN-004_Gimbichu_Soak_Away_Pit_Drawing_Details.pdf

CX-575

WASHED AND SCREENED STONE

AGGREGATE. EFFECTIVE SIZE

RANGE 20 TO 50 MM

Ø110 MM PVC INLET PIPE, FOR

PIPE INVERT, REF SITE DWGS

Ø110 MM PERFORATED

PVC INLET PIPE

450 450

PIPE PERFORATION

END CAP

R

CX-575

WASHED AND SCREENED STONE

AGGREGATE. EFFECTIVE SIZE

RANGE 20 TO 50 MM

Ø110 MM PVC INLET PIPE, FOR

PIPE INVERT, REF SITE DWGS

Ø110 MM PERFORATED

PVC INLET PIPE

450 450

PIPE PERFORATION

END CAP

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I N

M

I N

Ø110 MM PVC INLET PIPE, FOR

PIPE INVERT, REF SITE DWGS

NATURAL SOIL

SELECTED FILL, PROVIDE SEEDING

ASSUMED EXST LEVEL OF BEDROCK/

GROUND WATER/ IMPERMEABLE SOIL

WASHED AND SCREENED STONE

AGGREGATE. EFFECTIVE SIZE

RANGE 20 TO 50 MM

REF SITE GRADING PLAN F/ SLOPE

Ø110 MM PERFORATED PVC INLET

PIPE 2% SLOPED, REF 9/CX-575

BEDDING DETAIL PER 12/CX-575

FRICTION KEY, 50MM DEEP

0.5MM POLY SHEET MEMBRANE, 400 MM

OFFSET F/ SEEPAGE BED ALL AROUND (SUBMITTAL REQUIRED)

M

I N

M

I N

NATURAL SOIL

SELECTED FILL, PROVIDE SEEDING

ASSUMED EXST LEVEL OF BEDROCK/

GROUND WATER/ IMPERMEABLE SOIL

WASHED AND SCREENED STONE AGGREGATE.

EFFECTIVE SIZE RANGE 20 TO 50 MM

REF SITE GRADING PLAN F/ SLOPE

Ø110 MM PVC INLET PIPE, FOR

PIPE INVERT, REF SITE DWGS

Ø110 MM PERFORATED PVC INLET

PIPE 2% SLOPED, REF 9/CX-575

BEDDING DETAIL PER 12/CX-575

FRICTION KEY, 50MM DEEP

0.5MM POLY SHEET MEMBRANE, 400 MM

OFFSET F/ SEEPAGE BED ALL AROUND (SUBMITTAL REQ)

Ø110 MM PERFORATED

PVC INLET PIPE

WASHED AND SCREENED STONE

AGGREGATE. EFFECTIVE SIZE

RANGE 20 TO 50 MM

STONE LINTEL, TYP

C X

ROUGHLY SHAPED STONE

LINTEL FOR PIPE PROTECTION

WASHED AND SCREENED

STONE AGRREGATE

EFFECTIVE RANGE 20 TO 50MM

Ø110 PVC PIPE

ALTERNATING 3MM

PERFORATION

LOCATIONS @100 O.C.

110 SCHD

40 PVC

SELECTED FILL PROVIDE SEEDLING

FINISHED GRADE

BACKFILL

PLACE SAND (RED ASH) AGAINST

UNDISTURBED SIDES & BOTTOM

OF TRENCH TO 300 ABOVE TOP (MIN)

M

I N

300 MIN BELOW PIPE

NATURAL SOIL

WARNING TAPE AS PER SPEC SEC 2316,2.2

STANDARD

DETAIL BOOK

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CX-575

SOAKAWAY PIT TYPE 1 PLAN 1

SCALE: 1:50

SOAKAWAY PIT TYPE 2 PLAN 3

SCALE: 1:50

SOAKAWAY PIT TYPE 1 SECTION 5

SCALE: 1:50

SOAKAWAY PIT TYPE 2 SECTION 7

SCALE: 1:50

PIPE PROTECTION DTL9

SCALE: 1:20

PIPE PROTECTION SECTION10

SCALE 1:50

LATERAL PERF PIPE DTL11

NTS

NOTES

1. REFER SPECIFICATION FOR SELECTED FILL NOTES

2. HEAVY EQUIPMENT SHALL BE KEPT OUT OF THE

ABSORPTIONS AREA

3. FILL MATERIAL SHALL BE CAREFULLY PLACED AROUND

THE ABSORPTION AREA

4. FOR PIPE PLEASE REFER SPECIFICATION

5. USE WASHED GRAVEL OR CRUSHED STONE OF SIIZE

20-50MM

6. THE REQUIRED ABSORPTIONS BED BOTTOM AREA IS

EXCAVATED TO THE DESIGN DEPTH AS LEVEL AS

PRACTICAL

7. THE BOTTOM AND SIDES OF THE BED SHALL BE HAND

RAKED TO PREPARE THE SOIL INFILTRATIVE SURFACE

8. FOR INLET AND OUTLET PIPE DIAMETERS AND INVERTS,

REFER TO SEWER INVERT SCHEDULES

9. PERFORATED PIPE NOTES

9.1. THE LATERAL SHALL BE PERFORATED AND LAID AT A

SLOPE OF 2%;

9.2. HOLES IN GRAVITY DISTRIBUTION LATERALS SHALL BE

6.35 MM IN DIA. AND SPACED AT 900 MM ON CENTERS;

9.3. THE FIRST HOLE IN THE LATERALS SHALL BE 457.2 MM

FROM THE BEGINNING OF THE MANIFOLD;

9.4. THE END CAP HOLES SHALL BE 457.2 MM FROM THE

END OF THE AGGREGATE BED(Soil wall);

9.5. THE SPACING FOR THE LAST HOLE IN THE LATERALS

BEFORE THE END CAP SHALL BE AT NO LESS THAN

457.2 MM AND NO MORE THAN 914.4 MM.

PIPE BEDDING DTL FOR SOAK AWAY PIT12

SCALE: 1:50

PVC VENT CAP @ 30CM

ABOVE FINISHED GRADE

SEEPAGE BED

Ø110 PVC,

2% SLOPE, TYP

PVC PIPE FROM

SEPTIC TANK/ MH,

SEE INVERT SCHEDULE

Ø50 VENT PIPE

Ø110 PERFORATED PVC.

REF 6/CX-576, 2% SLOPE, TYP

1500 5500

CX-576

MONITOR WELL, REF 5/CX-576

PERFORATED PIPE

1500 PERFORATED PIPE 1500

PIPE BEDDING DETAIL

PER 7/CX-576

Ø110 PERFORATED PVC

DISTRIBUTION PIPE

N

BED ROCK, GROUND WATER

OR IMPERMEABLE STRATA LINE

M

I N

NATURAL SOIL

0.5MM POLY SHEET MEMBRANE,

400 MM OFFSET F/ SEEPAGE BED ALL

AROUND (SUBMITTAL REQUIRED)

SELECTED FILL,

PROVIDE SEEDING

REF SITE GRADING PLAN F/ SLOPE

WASHED AND SCREENED

STONE AGGREGATE.

EFFECTIVE SIZE RANGE 20

TO 50 MM

FRICTION KEY, 50MM DEEP

CONCRETE COLLAR

Ø110 SLOTTED

PVC WELL PIPE (PERFORATED)

SEEPAGE BED

SELECTED FILL PROVIDE SEEDLING

Ø110 UPVC CAPPNG

Ø110 PERFORATED

PVC DISTRIBUTION PIPE

NATURAL SOIL

PERFORATION BEGINNING 50MM

BELOW DISTRIBUTION PIPE

ALTERNATING 3MM

PERFORATION

LOCATIONS @100 O.C.

110 SCHD

40 PVC

FINISHED GRADE

BACKFILL

PLACE SAND (RED ASH) AGAINST

UNDISTURBED SIDES & BOTTOM

OF TRENCH TO 300 ABOVE TOP (MIN)

300 MIN BELOW PIPE

M

I N

NATURAL SOIL

WARNING TAPE AS PER SPEC SEC 2316,2.2

STANDARD

DETAIL BOOK

w w w t e t r a t e c h c o m

O n e

G r a n t

S t r e e t

F r a m i n g h a m

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S S

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CX-576

SEEPAGE BED PLAN

SCALE: 1:50

NOTES

1. REFER SPECIFICATION FOR SELECTED FILL NOTES

2. HEAVY EQUIPMENT SHALL BE KEPT OUT OF THE

ABSORPTIONS AREA

3. FILL MATERIAL SHALL BE CAREFULLY PLACED AROUND

THE ABSORPTION AREA

4. FOR PIPE PLEASE REFER SPECIFICATION

5. USE WASHED GRAVEL OR CRUSHED STONE OF SIIZE

20-50MM

6. THE REQUIRED ABSORPTIONS BED BOTTOM AREA IS

EXCAVATED TO THE DESIGN DEPTH AS LEVEL AS

PRACTICAL

7. THE BOTTOM AND SIDES OF THE BED SHALL BE HAND

RAKED TO PREPARE THE SOIL INFILTRATIVE SURFACE

8. FOR INLET AND OUTLET PIPE DIAMETERS AND INVERTS,

REFER TO SEWER INVERT SCHEDULES

9. PERFORATED PIPE NOTES

9.1. THE LATERAL SHALL BE PERFORATED AND LAID AT A

SLOPE OF 2%;

9.2. HOLES IN GRAVITY DISTRIBUTION LATERALS SHALL BE

6.35 MM IN DIA. AND SPACED AT 900 MM ON CENTERS;

9.3. THE FIRST HOLE IN THE LATERALS SHALL BE 457.2 MM

FROM THE BEGINNING OF THE MANIFOLD;

9.4. THE END CAP HOLES SHALL BE 457.2 MM FROM THE

END OF THE AGGREGATE BED(Soil wall);

9.5. THE SPACING FOR THE LAST HOLE IN THE LATERALS

BEFORE THE END CAP SHALL BE AT NO LESS THAN

457.2 MM AND NO MORE THAN 914.4 MM.

SEEPAGE BED SECT3

SCALE: 1:20

MONITOR WELL DTL5

SCALE 1:20

LATERAL PERFORATED PIPE DTL6

SCALE: 1:30

PIPE BEDDING DTL FOR SEEPAGE BED7

SCALE: 1:50