STORMWATER CONCEPT PLAN

AT 32 GARFIELD ROAD EAST, RIVERSTONE, NSW

EXISTING LEVEL

NEW LEVEL

PROVIDE 150mm GAP UNDER THE FENCE

AND IF BLOCK WALL PROVIDED, THEN PROVIDE

OPENING FOR EMERGENCY OVERFLOW.

DRAWING TITLE

COVER SHEET, LEGEND & DRAWING SCHEDULEDOO

DRAWING No.

D R A W I N G S C H E D U L E

EROSION AND SEDIMENT CONTROL PLAN AND DETAILS

GROUND FLOOR STORMWATER DRAINAGE PLAN & DETAILS

DO1

DO2

SYMBOLS

ABBREVIATIONS

GTD

GMS

GL

CL

DIA

DDO

DP

HIGH LEVEL

INVERT LEVEL

JUNCTION PIT

GRATED TRENCH DRAIN

EXISTING

GALVANISED MILD STEEL

GRADED SURFACE INLET PIT

FINISHED FLOOR LEVEL

GROUND LEVEL

CLEARANCE

DISH DRAIN OUTLET

DOWNPIPE

DIAMETER

KERB INLET PIT

Ex.

FFL

GSIP

HL

IL

JP

KIP

INSPECTION OPENING

LOW LEVEL

OVERFLOW

IO

LL

O/F

POLYVINYLCHLORIDEPVC

SURFACE LEVELSL

STORMWATERSTW

STAINLESS STELLS/S

UNDER SIDEU/S

N.T.S.

STANDARD PIT

TYPICAL PIT SECTION

PIT

N.T.S.

OUTLET PIPE

450

(M

IN

)

450 X 450 GRATE (MIN)

GRATE

450 SQ

(MIN)

450

NTS

GALVANISED

GRATE

TYPICAL PIT DETAIL

FW

IO

DP

F.F.L.

T.K.

RL

IL

GRATED INLET PIT

GRATED DRAIN

OVERLAND FLOW PATH

FLOOR WASTE 300Ø

STORMWATER DRAINAGE PIPE

INSPECTION OPENING

MASONRY RETAINING WALL

DOWNPIPE TO RAINWATER TANK

100Ø DOWN PIPE (U.N.O.)

FINISHED FLOOR LEVEL

PIT SURFACE LEVEL

INVERT LEVEL

TOP OF KERB

VD VERTICAL DROP PIPE

SP

SPREADER

VRVERTICAL RISER

DDO DISH DRAIN OUTLET 100Ø

ESEMERGENCY SPITTER

RWO RAINWATER OUTLET 150Ø

DRAINAGE LINES SHOWN DASHED

TO COLLECT ROOF WATER ONLY TO RAINWATER TANK

NOTES: DRAINAGE LINES

DRAINAGE LINES SHOWN continuous

TO COLLECT SURFACE WATER

ON-SITE

DETENSION NOTE:

THE OSD BASIN IS TO BE

BUILT TO THE CORRECT LEVEL

& SIZE AS PER THIS DESIGN.

ANY VARIATIONS ARE TO BE

DONE UNDER CONSULTATION

FROM OUR OFFICE ONLY. ANY

AMENDMENTS WITHOUT OUR

APPROVAL WOULD RESULT IN

ADDITIONAL FEES FOR

REDESIGN AT OC STAGE OR IF

A SOLUTION CANNOT BE

FOUND, RECONSTRUCTION IS

REQUIRED UNDER THE

CONTRACTOR'S EXPENSES.

SURFACE INLET PIT DIMENSION

ON LONGITUDINAL SECTION.

THE RELEVANT AUTHORTIES BEFORE

COMMENCEMENT OF ANY WORKS

BUILDER CONTRACTOR BY CONTACTING

EXACT LOCATIONS & DEPTHS

TO BE ACURATELY LOCATED BY

EXISTING SERVICES SHOWN

NOTE RE. SERVICES

APPROXIMATE LOCATIONS OF

GENERAL NOTES

1. ALL LINES ARE TO BE MIN. 100Ø UPVC @ MIN 1.0%

GRADE UNLESS NOTED OTHERWISE.

2. IT IS THE CONTRACTORS RESPONSIBILITY TO

LOCATE & LEVEL ALL EXISTING SERVICES PRIOR TO

THE COMMENCEMENT OF ANY EARTHWORKS. ALL

DESIGN LEVELS SHOWN ON PLAN SHALL BE

VERIFIED ON SITE PRIOR TO THE COMMENCEMENT

OF ANY WORK.

3. ALL PIPES TO HAVE MIN 200mm COVER IF LOCATED

WITHIN PROPERTY.

4. ALL PITS IN DRIVEWAYS BE HEAVY DUTY GRATES.

DIRECT SURFACE FLOW TO ALL GRATED SURFACE

INLET PITS.

5. ALL WORK DO BE DONE IN ACCORDANCE WITH

COUNCIL'S DCP AND TO COUNCIL'S SATISFACTION.

6. LOCATION OF DOWNPIPES & FLOOR WASTES ARE

INDICATIVE ONLY. DOWNPIPE & FLOOR WASTE

SIZE, LOCATION & QUANTITY TO BE DETERMINED

BY BUILDER & IN ACCORDANCE WITH RELEVANT

AUSTRALIAN STANDARDS.

7. THIS PLAN IS TO BE READ IN CONJUNCTION WITH

THE ARCHITECTURAL, LANDSCAPE AND

STRUCTURAL PLANS.

8. ANY DISCREPANCIES OR OMISSIONS SHALL BE

REFERRED TO THE DESIGN ENGINEER AND

COUNCIL ENGINEER FOR RESOLUTION.

9. ALL PITS OR GRATES IN TRAFFICABLE AREAS TO BE

HEAVY DUTY.

10. ALL GUTTERS WILL BE FITTED WITH LEAF GUARDS

AND SHOULD BE INSPECTED AND CLEANED TO

ENSURE LEAF LITTER CANNOT ENTER THE

DOWNPIPES

11. ALL PIT GRATES ON SITE MUST BE HINGED WITH

J-BOLT LOCKDOWN SYSTEM.

12. PITS DEEPER THAN 1m REQUIRE STEP IRONS IN A

STAGGERED MANNER. THE DEPTH OF ANY PIT IN

EXCESS OF 2m SHALL BE STRUCTURALLY DESIGNED

AND CERTIFIED BY A STRUCTURAL ENGINEER AND

SUBMITTED TO COUNCIL FOR APPROVAL.

13. PROVIDE GRATED DRAIN IN ALL OPEN AREAS TO

THE SKY INCLUDING STAIRS AND CONNECT TO

NEAREST STORMWATER SYSTEM.

14. PROVIDE EMERGENCY SPITTERS TO ALL BALCONIES.

15. PROVIDE AGG PIPE IN ALL LANDSCAPE AREA AND

CONNECT TO THE STORMWATER DRAINAGE

SYSTEM.

16. PROVIDE AGG PIPE BEHIND THE RETAINING WALL

AND CONNECT TO THE STORMWATER DRAINAGE

SYSTEM.

17. TOP OF KERB AND INVERT OF GUTTER LEVELS ARE

TO BE CHECKED ON SITE PRIOR CONSTRUCTION.

CONTACT ENGINEER IMMEDIATELY IF LEVEL VARIES

FROM DESIGN DRAWING.

18. ALL RETAINING WALL FOR ABOVE GROUND

OSD/BIORETENTION BASIN TO BE FULLY

CONSTRUCTED WITHIN THE PROPERTY BOUNDARY.

A N.L.FOR D.A. APPROVAL

M.N.

N.T.S.

M.N.

MAY 19

D00

COVER SHEET, LEGEND AND

DRAWING SCHEDULE

A

01-05-19

AUTHORISED DWG No

SCALE @ A1 JOB No

REV

SHEET SUBJECTPROJECT PROJECT

DATE DRAWN DESIGNED CHECKED

32 GARFIELD ROAD EAST, RIVERSTONE, NSWARCHITECT

NERMEIN LOKA

N.L.N.L.

THIS DRAWING IS THE

PROPERTY OF LOKA

CONSULTING ENGINEERS

AND MUST NOT BE

RETAINED, COPIED OR USED

WITHOUT THE WRITTEN

CONSENT OF THE COMPANY

C

Copyright

Loka

Consulting

Engineers

as date of

issue

NOT FOR CONSTRUCTION

COPYRIGHT: THIS DESIGN AND PLANS ARE NOT TO BE USED OR REPRODUCED WHOLLY

OR IN PART WITHOUT WRITTEN PERMISSION OF LOKA CONSULTING ENGINEERS

PROPOSED RETAIL SHOPS

32 GARFIELD ROAD EAST,

RIVERSTONE, NSW

CONSENT AUTHORITY:

BLACKTOWN CITY COUNCIL

19NL045

info@Lceng.com.au www.Lceng.com.au

LOKAC O N S U L T I N G

E N G I N E E R S .Pty Ltd

LOCALITY SKETCH

NOT TO SCALE

parapet RL 24.35

single storeybrick shopmetal roof

"tattoo studio"FL 19.88

awning

roof RL 23.30 100

DP632409

101

DP632409

10

DP1678

4

DP135217

single storeybrick shopmetal roof

"bws"FL 20.97

parapet RL 26.35 50.29 139° 0'

50.29 319° 0'

13.41

49° 0

'

13.41

229°

0'

20.0

20.0

20.5

20.520.5

20.5

RL 20.46 (A.H.D.)BENCHMARK NAIL IN KERB

kerb

kerb

sign

sign

vc

top of

kerb

and g

utter

newvc

existing

outletinspection

outletinspection

drain

19.75

19.95

20.66

20.50

20.43

20.24

SLOPE 1:20

SLOPE 1:27.7

TK 19.85

IL 19.70

BELOW GROUND OSD TANK

1.5Yr T.W.L 20.305

AREA = 71.4 m²

1.5-YR AVE WATER DEPTH= 0.265m

100Yr T.W.L 20.505

100-YR AVE WATER DEPTH= 0.465m

100-YR VOLUME REQUIRED= 30.5m³

100-YR VOLUME PROVIDED= 33.20m³

MAX. WATER DEPTH = 0.585m

*

R

L

2

0

.

0

0

FFL 20.78

DP

DP

KERB MAX. 150mm HIGHER

THAN ADJACENT GROUND LEVEL

KERB MAX. 150mm HIGHER

THAN ADJACENT GROUND LEVEL

Ø100 OVERFLOW PIPE

IL 20.35

HATCHED AREA BYPASS OSD

AREA = 94.4m² (14.09%)

T.O.K RL 20.65T.O.K RL 20.65

T.O

.K RL 20.60

900x900 DCP 100-YR

RL 20.70

CL 19.95

IL 19.90

P2

200x100 RHS@1%

Ø100 CHARGED LINE TO RWT

ABOVEGROUND RAINWATER TANK

2000L CAPACITY

TO ACHIEVE 80% WATER REUSE

FOR LANDSCAPE IRRIGATION.

RO

OF O

UTLIN

E

ROOF OUTLINE

200mm GRATED DRAIN

RL 20.76

IL 20.56

EL 20.75*

EL 20.50*

RAMP 1:15

600x600 PIT

RL 20.63

IL 20.25

7100

900x900 OVERFLOW PIT

RL 20.78

IL 19.88

900x900 DCP 100-YR

RL 20.70

CL 19.95

IL 19.92

*

R

L

2

0

.7

4

*

R

L

2

0

.6

5

3590

6200

*

R

L

2

0

.

3

1

*RL 20.78

*

R

L

2

0

.

7

8

*

R

L

2

0

.6

5

500

450x450 SILT ARRESTOR PIT

RL 20.00

IL 19.74

SUMP IL 19.54

P2

P1

ROOF OUTLINE

RWT

350x350 CLEAN OUT PIT

A

D01

Ø100 CHARGED LINE TO RWT

WITH FIRST FLUSH DEVICE

*RL 20.78

IL 20.04

1

2

*IL 19.92

IL 20.16*

IL 20.14*

2428

1751

1628

2275

1751

1401

1373

1463

1421

1118

1118

1881

14000

5100

ON LONGITUDINAL SECTION.

THE RELEVANT AUTHORTIES BEFORE

COMMENCEMENT OF ANY WORKS

BUILDER CONTRACTOR BY CONTACTING

EXACT LOCATIONS & DEPTHS

TO BE ACCURATELY LOCATED BY

EXISTING SERVICES SHOWN

NOTE RE. SERVICES

APPROXIMATE LOCATIONS OF

SYMBOLS

FW

IO

DP

F.F.L.

T.K.

RL

IL

GRATED INLET PIT

GRATED DRAIN

OVERLAND FLOW PATH

FLOOR WASTE 150Ø

STORMWATER DRAINAGE PIPE

INSPECTION OPENING

MASONRY RETAINING WALL

DOWNPIPE TO RAINWATER TANK

100Ø DOWN PIPE (U.N.O.)

FINISHED FLOOR LEVEL

PIT SURFACE LEVEL

INVERT LEVEL

TOP OF KERB

VD VERTICAL DROP PIPE

SP

SPREADER

VRVERTICAL RISER

DDODISH DRAIN OUTLET 100Ø

ESEMERGENCY SPITTER

SUBSOIL DRAINAGE PIPE

DRAINAGE LINES SHOWN DASHED

TO COLLECT ROOF WATER ONLY TO RAINWATER TANK

NOTES: DRAINAGE LINES

DRAINAGE LINES SHOWN continuous

TO COLLECT SURFACE WATER

COUNCIL'S ISSUED FOOTWAY DESIGN LEVELS TO BE INCORPORATED INTO THE

FINISHED LEVELS ONCE ISSUED BY COUNCIL

NOTES: COUNCIL ISSUED FOOTWAY DESIGN LEVELS

ALL STORMWATER DRAINAGE ELEMENTS PROPOSED WITHIN THE ROAD RESERVE AND FOOTWAY

SHALL BE CONSTRUCTED UNDER THE SUPERVISION AND TO THE SATISFACTION OF COUNCIL'S ENGINEER.

NOTES: ROAD RESERVE & FOOTWAY DRAINAGE ELEMENTS

: 100Ø DOWN PIPE U.N.O.

DP

: STORMWATER PIPE

@1% MIN. U.N.O.

P1 : 100Ø UPVC PIPE AT 1.0% MIN. GRADE

P2 : 150Ø UPVC PIPE AT 1.0% MIN. GRADE

REFER TO AS.3500 PART 3 TABLE 7.2

P3 : 225Ø UPVC PIPE AT 0.5% MIN. GRADE

PROVIDE AGG PIPE FOR PLANT BOXES AND CONNECT TO THE NEAREST

STORMWATER PIPE OR PIT.

3mm S.S. ORIFICE PLATE 2

EPOXY & DYNA BOLTED TO

PIT WALL WITH Ø67.5mm

MACHINED ORIFICE

(100 YEAR ARI)

REMOVABLE TRIANGULAR SCREEN

HOT DIPPED GALV. LYSAGHT

MAXIMESH TYPE RH3030 WITH

HANDLE

MINIMUM 2% FALL

CREATE A V-TYPE CHANNEL SECTION

WITHIN THE BASE OF THE TANK THAT

GRADES FROM THE TOP END OF THE TANK

OF THE NON-RETURN FLAP VALVE THE BASE OF

THE TANK TO GRADE TO THE V-CHANNEL

IL 20.16

TYPICAL SECTION THROUGH OSD

L

I.L. 19.90

IL. 20.04

REFER TO STRUCTURAL

ENGINEER'S DETAIL

SLAB THICKNESS 200mm

T.W.L. 20.505

I.L. 19.88

HEAVY DUTY HINGED & LOCKABLE

GALVANIZED MILD STEEL GRATE AND FRAME

Ø150 UPVC PIPE

OUTLET @ 1%

OVERFLOW

CHAMBER

100-YR OVERFLOW

L

I.L. 19.92

WEIR @20.305

Ø150 UPVC PIPE

OUTLET @ 1%

3mm S.S. ORIFICE PLATE 1

EPOXY & DYNA BOLTED TO

PIT WALL WITH Ø40.5mm

MACHINED ORIFICE

(1.5 YEAR ARI)

Ø150mm uPVC PIPE OUTLET AT

1% MINIMUM

AVE. 100-YR

WATER DEPTH

0.465m

AVE. 1.5-YR

WATER DEPTH

0.265m

HEAVY DUTY HINGED & LOCKABLE

GALVANIZED MILD STEEL GRATE AND FRAME

100-YEAR

AVE. TANK DEPTH

0.54m

RL 20.58

GRATE RL 20.78

ARI DCP

1.5-YEAR

ARI DCP

GRATE RL 20.78 GRATE RL 20.78

900x900

OPENING

900x900

OPENING

900x900

OPENING

GRATE RL 20.78

900x900

OPENING

WEIR @20.505

1.5 YEAR ARI T.W.L. 20.305

1.5-YR OVERFLOW

C 19.95C 19.95

F.L

TANK

WATER

INLET PIPE

100mm UPVC

PUMP

FIRST FLUSH

DEVICE

TAP

TYPCAL WATER TANK SECTION

N.T.S.

WITH FIRST FLUSH DEVICE

GUTTER

OUTLET OVERFLOW

FROM TANK

TOP WATER LEVEL

2000L RAINWATER TANK

EXISTING

GROUND LEVEL

RAINWATER TANK

Ø100mm OVERFLOW PIPE

Ø100mm CHARGED LINE

TO RAINWATER TANK

EXISTING

GROUND LEVEL

NTS

PROVIDE

LEAF SCREEN

AT INLET

1. RAINWATER TANK CAPACITY OF 2000 LITRES.

2. THE SYSTEM TO BE DESIGNED WITH THE FOLLOWING GUIDELINES

- A 'FIRST FLUSH' DIVERSION TO REMOVE ROOF CONTAMINANTS

- ADEQUATE SCREENING TO PREVENT MOSQUITO BREEDING AND ENTRY

OF ANIMALS OR FOREIGN MATTER

3. TANKS TO BE PLUMBED TO TOP-UP FROM THE POTABLE WATER SUPPLY

DURING DRY PERIODS WHEN THE TANKS ARE 80% EMPTY.

4. NO DIRECT CROSS-CONNECTION WITH THE SYDNEY WATER POTABLE SUPPLY

AND AN AIR GAP MAINTAINED ABOVE THE OVERFLOW IN THE TANK.

5. A SIGN TO BE INSTALLED STATING "NOT FOR HUMAN CONSUMPTION.

6. RAINWATER TANK TO BE CONNECTED AS PER COUNCIL'S REQUIREMENTS

7. OVERFLOW FROM THE TANK SHALL BE PIPED TO THE DRAINAGE SYSTEM.

NOTES: RAINWATER TANKS

250

3mm STAINLESS

Ø150UPVC@1%

STEEL PLATE

250

Ø40.5mm ORIFICE HOLE MACHINED TO

0.5mm ACCURACY

C 19.95

L

I.L. 19.92

I.L. 19.93 orifice 1

1.5-YR ORIFICE PLATE 1 ELEVATION

PRODUCT CODE: MMMPvS/MMMPS (MASCOT ENGINEERING)

MULTI PURPOSE FILTER SCREEN

REMOVABLE TRIANGULAR SCREEN

HOT DIPPED GALV. LYSAGHT

MAXIMESH TYPE RH3030 WITH

HANDLE

N.T.S.

MOUNTING BRACKET

PIT WALL

SCREEN

CONFINED SPACE

HEIGHT 150mm

N.T.S.

WHITE

RED

BLACK

POLYPROPYLENE

BLACK

COLOURS:

MATERIALS

"DANGER" AND BACKGROUND

ELLIPTICAL AREA

OTHER LETTERING AND BORDER

RECTANGLE CONTAINING ELIPSE

WIDTH 200mm

CONFINED SPACE WARNING SIGN

NO ENTRY WITHOUT

CONFINED SPACE

TRAINING

PROVIDE CONFINED SPACE ENTRY

SIGN TO EACH ENTRANCE OF THE

CATCHMENT TRUST REQUIREMENTS

UNDERGROUND TANK IN ACCORDANCE

WITH THE UPPER PARRAMATTA RIVER

ALL DOWNPIPES ARE SHOWN FOR INDICATIVE PURPOSE ONLY.

DETAILS TO BE PROVIDED AT C.C.

IMPORTANT NOTE:

PROPOSED SITE IS LOCATED WITHIN V.P.A AREA.

CLIENT HAS APPROVED TO ENTER V.P.A.

250

3mm STAINLESS

STEEL PLATE

250

Ø67.5mm ORIFICE HOLE MACHINED TO

0.5mm ACCURACY

100-YR ORIFICE PLATE 2 ELEVATION

Ø150UPVC@1%

C 19.95

I.L. 19.90

I.L. 19.91 orifice 2

SCALE 1:100

32 GARFIELD ROAD EAST, RIVERSTONE, NSW

NERMEIN LOKA

N

THIS DRAWING IS THE

PROPERTY OF LOKA

CONSULTING ENGINEERS

AND MUST NOT BE

RETAINED, COPIED OR USED

WITHOUT THE WRITTEN

CONSENT OF THE COMPANY

C

Copyright

Loka

Consulting

Engineers

as date of

issue

NOT FOR CONSTRUCTION

COPYRIGHT: THIS DESIGN AND PLANS ARE NOT TO BE USED OR REPRODUCED WHOLLY

OR IN PART WITHOUT WRITTEN PERMISSION OF LOKA CONSULTING ENGINEERS

PROPOSED RETAIL SHOPS

32 GARFIELD ROAD EAST,

RIVERSTONE, NSW

CONSENT AUTHORITY:

BLACKTOWN CITY COUNCIL

19NL045

14A/8 AVENUE OF THE AMERICAS, NEWINGTON NSW 2127T: +61 2 9748 8742/8065 9689 M: 0404 142 063F: +61 2 9748 1290/8065 9690EMAIL: info@Lceng.com.au www.Lceng.com.au

LOKAC O N S U L T I N GE N G I N E E R S.Pty Ltd

AS SHOWN

D01 C

GROUND FLOOR / SITE STORMWATER

DRAINAGE PLAN & DETAILS

GROUND FLOOR/SITE STORMWATER DRAINAGE PLAN

MAY 20 L.Y.

A N.L.FOR D.A. APPROVAL

M.N.

01-05-19

B N.L.FOR D.A. APPROVAL

M.N.

08-05-19

C L.Y.FOR D.A. APPROVAL

L.Y.

28-05-20

OSD CALCULATION

ALL ROOF DRAINAGE IS DESIGNED AT 1 IN

100-YEAR STORM ARI. DETAILS AT C.C.

CHARGE LINE TO BE SEWER GRADE PVC WITH

ALL JOINTS SOLVENT SEALED AND PAINTED.

STOCK PILE AREA

FOR SOIL RE-USE

SITE RECYCLING

BIN

TEMPORARY

SITE TOILET

TEMPORARY SITE

OFFICE

BRICK AND OTHER

NON-WEATHER

AFFECTED MATERIAL

STORAGE AREA

MIN 500 HIGH SEDIMENT FENCE SUPPORTED

AT 3000 MAX CTS WITH 1500 LONG STAR

PICKETS. BASE OF SEDIMENT FENCE TO BE

BURIED IN 200 DEEP x 100 WIDE TRENCH

AND BACKFILL TO BE COMPACTED

50mm AGGREGRATE OR DGB20

ROADBASE STABILISED SITE ACCESS

MIN 3000 WIDE x 200 THICK

(REFER TO DETAIL)

PROVIDE TAP AND HOSE BEHIND

FENCELINE. ALL TRUCK TIRES

MUST BE WASHED DOWN BEFORE DEPARTING

TEMPORARY CONSTRUCTION EXIT

G

e

o

t

e

x

t

i

l

e

F

i

l

t

e

r

DETAIL OF OVERLAP

SEDIMENT FENCE

D

I

R

E

C

T

I

O

N

O

F

F

L

O

W

0

.

6

m

0

.

2

m

M

A

X

DISTURBED AREA

GEOTEXTILE

FABRIC

TRAP

RUNOFF FROM PAD

DIRECTED TO SEDIMENT

POSTS DRIVEN

UNDISTURBED AREA

GROUND

0.6m INTO

F

a

b

r

i

c

GRAVEL

50-75mm

DRAINAGE AREA 0.4Ha MAX. SLOPE GRADIENT 1:2 MAX.

WIRE OR STEEL MESH

SLOPE LENGTH 60m MAX.

3

m

M

A

X

.

E

N

T

E

R

CONSTRUCTION SITE

0.2m

E

X

I

T

M

I

N

.

W

I

D

T

H

3

m

STRAW BALE SEDIMENT FILTER

EXISTING ROADWAY

(MIN. 0.3m HIGH)

BERM

0

.

1

m

D

E

E

P

DISTURBED AREA

D

I

R

E

C

T

I

O

N

O

F

F

L

O

W

UNDISTURBED AREA

SLOPE LENGTH 40m MAX.

STAKES DRIVEN 0.6m

INTO THE GROUND

DRAINAGE AREA 0.4Ha MAX. SLOPE GRADIENT 1:2 MAX.

ANGLE FIRST STAKE TOWARDS

PREVIOUSLY LAID STRAW BALE

EXISTING CONTOURS

Ø50 PUMP LINE

WIRE MESH FENCE

STABILISED SITE ACCESS

SILT FENCE

SYMBOLS

EROSION CONTROL NOTES

1. ALL EROSION & SEDIMENT CONTROL MEASURES ARE TO BE

INSTALLED AND MAINTAINED IN ACCORDANCE WITH

'MANAGING URBAN STORMWATER, 3RD EDITION' PRODUCED

BY THE NSW DEPARTMENT OF HOUSING.

2. ALL EROSION AND SILTATION CONTROL DEVICES ARE TO BE

PLACED PRIOR TO THE COMMENCEMENT OF ANY

CONSTRUCTION WORKS, AND ALL SILT TRAPS ARE TO HAVE

DEPOSITED SILT REMOVED REGULARLY DURING

CONSTRUCTION.

3. ALL TRESS ARE TO BE PRESERVED UNLESS INDICATED

OTHERWISE ON THE ARCHITECT'S OR LANDSCAPE

ARCHITECT'S DRAWINGS. EXISTING GRASS COVER SHALL BE

MAINTAINED EXPECT IN AREAS CLEARED FOR BUILDINGS,

PAVEMENTS, ETC.

4. STABILISE/REVEGATATE ALL DISTURBED AREAS

PROGRESSIVELY WHERE PRACTICAL.

5. INSTALL TEMPORARY SEDIMENT BARRIERS TO ALL INLET PITS

LIKELY TO COLLECT SILT LADEN WATER.

6. ADDITIONAL VEHICLES MUST PARK ON ROAD AND NOT

FOOTPATH. PUBLIC FOOTPATH ADJACENT TO SITE MUST NOT

BE OBSTRUCTED AND MUST BE SAFE FOR PEDESTRIAN

ACCESS.

14. ENSURE FENCE IS KEYED AT BOTH ENDS INTO GROUND,

WITH BASE TURNED UPSLOPE.

15. WHERE SEDIMENT FENCE IS NEAR STREET, ERECT FENCE

WITHIN DEVELOPMENT SIDE OF TURF FILTER STRIPS AND

PROPERTY BOUNDARY.

16. SEDIMENT FENCE FILTER CLOTH TO BE FASTENED SECURELY

TO WIRE FENCE WITH TIES SPACED EVERY 600MM.OVERLAP

ADJOINING FILTER CLOTH BY 150MM AND FOLDING OVER.

17. DIVERT UPSLOPE WATER AROUND WORK SITE AND

STABILISE CHANNELS.

18. LAY KERB-SIDE TURF FILTER STRIP TO TRAP EXCESS

SEDIMENT.

19. CONTAMINATED WATER WITH SEDIMENT FROM A SEDIMENT

BASIN OR EXCAVATION PIT IS TO BE FLOCCULATED/

FILTERED TO LOWER SUSPENDED SOIL LOAD TO LESS THAN

50 MILLIGRAMS PER LITRE.

20. SOIL, SAND AND GRAVEL ARE NOT TO BE STOCKPILED ON

ROADWAYS OR IN DRAINAGE AREAS.

21. WASH AREA MUST BE SLIGHTLY DEPRESSED TO COLLECT

WASTE MATERIAL.

22. APPLY DUST CONTROL MEASURES TO REDUCE SURFACE AND

AIRBORNE MOVEMENT OF SEDIMENT

23. NOT WITHSTANDING DETAILS SHOWN, IT IS THE

CONTRACTORS SOLE RESPONSIBILITY TO ENSURE THAT ALL

SITE ACTIVITIES COMPLY WITH THE REQUIREMENTS OF THE

CLEAN WATERS ACT.

NOTES:SOIL & WATER MANAGEMENT

1. ALL EROSION AND SEDIMENT CONTROL MEASURES TO BE

INSPECTED, MAINTAINED AND LOGGED DAILY BY SITE

MANAGER.

2. MINIMISE DISTURBED AREAS.

3. ALL STOCKPILES TO BE CLEAR FROM DRAINS, GUTTERS

AND FOOTPATHS.

4. NO MATERIAL TO BE STORED ON FOOTPATH.

5. STOCKPILE LASTING LONGER THAN 40 DAYS MUST BE

COVERED.

6. DRAINAGE IS TO BE CONNECTED TO STORMWATER SYSTEM

AS SOON AS POSSIBLE.

7. ROADS AND FOOTPATH TO BE SWEPT DAILY.

8. ENSURE NEIGHBOURING PROPERTY IS NOT FLOODED.

9. IF YOU DO NOT COMPLY, YOU MAY BE LIABLE TO A $1500

FINE.

HAY BAIL

HAY BAIL DETAIL

TO BE USED AS REQUIRED

150

SILT FENCE DETAIL

MIN

500

100

STAKES 450mm INTO THE GROUND

BACKING

REINFORCED

FILTER FABRIC

(SECURE TO BACKING)

FABRIC

EMBEDED FILTER

FALL

MIN

500

STAR PICKET

OR CRUSHED ROCK

60mm GRAVEL

NTS

SOIL STOCK PILE

SEDIMENT FENCE

DIVERSION DRAIN

(WHERE POSSIBLE)

100m

m D

ip

NOTE:

ALL EXISTING BUILDINGS TO BE DEMOLISHED ON SITE.

ALL EXISTING PITS TO BE COVERED DURING DEMOLITION

AUTHORISED DWG No

SCALE @ A1 JOB No

REV

SHEET SUBJECTPROJECT PROJECT

DATE DRAWN DESIGNED CHECKED

32 GARFIELD ROAD EAST, RIVERSTONE, NSWARCHITECT

NERMEIN LOKA

N.L.N.L.

THIS DRAWING IS THE

PROPERTY OF LOKA

CONSULTING ENGINEERS

AND MUST NOT BE

RETAINED, COPIED OR USED

WITHOUT THE WRITTEN

CONSENT OF THE COMPANY

C

Copyright

Loka

Consulting

Engineers

as date of

issue

NOT FOR CONSTRUCTION

COPYRIGHT: THIS DESIGN AND PLANS ARE NOT TO BE USED OR REPRODUCED WHOLLY

OR IN PART WITHOUT WRITTEN PERMISSION OF LOKA CONSULTING ENGINEERS

PROPOSED RETAIL SHOPS

32 GARFIELD ROAD EAST,

RIVERSTONE, NSW

CONSENT AUTHORITY:

BLACKTOWN CITY COUNCIL

19NL045

info@Lceng.com.au www.Lceng.com.au

LOKAC O N S U L T I N G

E N G I N E E R S .Pty Ltd

EROSION AND SEDIMENT CONTROL PLAN

SCALE 1:100

A N.L.M.N.

AS SHOWN

D02

EROSION AND SEDIMENT

CONTROL PLAN AND DETAILS

A

FOR D.A. APPROVAL01-05-19

M.N.MAY 19