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CHANGE - Engineering Plans
Original PDF page 8, section 1. The text section number identifies this passage in the reader.
1 METER MAX. STAR PICKETS
PROVIDE WASH WATER FOR DROP INLET
WITH GRATE
TIMBER SLEEPER OR METAL TRUCKS EXITING SITE
GRID 100mm HIGH AND
WIRE OR STEEL MESH
SPACED AT 300mm CTS MIN LE (14 GAUGE x 150mm WRAP FILTER
N GTH 1 OPENINGS) WHERE
500 - 600mm
0m BERM 300 HIGH MIN CLOTH OVER GRATE
GEOTEXTILE IS NOT
CONSTRUCTION SITE SELF-SUPPORTING
WOVEN GEOTEXTILE 1.5m STAR PICKETS AT MAX.
EXISTING ROADWAY 2.5m CENTRES
GEOTEXTILE FABRIC STAR PICKET SELF-SUPPORTING
FITTED WITH GEOTEXTILE
50-75mm GRAVEL BED MIN SAFETY CAP
FLOW
200mm THICK DIRECTION OF
RUNOFF FROM PAD DIRECTED TO WOVEN GEOTEXTILE
SANDBAGS
SEDIMENT TRAP
RUNOFF WRAP FILTER CLOTH
RUNOFF OVER GRATE ON SOIL, 150mm x 100mm
FLOW
WATER WITH
TEMPORARY CONSTRUCTION VEHICLE EXIT SEDIMENT WATER WITH TRENCH WITH COMPACTED
SCALE: N.T.S. WATERWAY SEDIMENT BACKFILL AND ON ROCK, SET
INTO SURFACE CONCRETE
EXCAVATION
600mm MIN.
FILTERED SECTION DETAIL
FILTERED
WATER
WATER
GEOTEXTILE
EARTH BANK EMBEDDED 150mm
INTO GROUND GEOTEXTILE INLET FILTER TYPE B
MIN. 1.5m
20m MAX.
SCALE N.T.S
FOR DROP INLETS AT NON-SAG POINTS, FLOW
SANDBAGS, EARTH BANK OR EXCAVATION USED
TO CREATE ARTIFICIAL SAG POINT STAR PICKETS AT
MAX. 2.5m SPACINGS
GEOTEXTILE INLET FILTER CONSTRUCTION NOTES: TYPICAL
1. FABRICATE A SEDIMENT BARRIER MADE FROM GEOTEXTILE OR STRAW BALES.
2. PICKET SPACING TO BE A MAXIMUM 1.0m CENTRES. PLAN
3. IN WATERWAYS, ARTIFICIAL SAG POINTS CAN BE CREATED WITH SANDBAGS OR EARTH
BANKS AS SHOWN IN THE DRAWING.
4. DO NOT COVER THE INLET WITH GEOTEXTILES UNLESS THE DESIGN IS ADEQUATE TO
ALLOW FOR ALL WATERS TO BYPASS IT. DIRECTION
DISTURBED 1.5m STAR PICKETS AT
OF FLOW
GEOTEXTILE INLET FILTER A AREA MAX. 2.5m CENTRES
SCALE N.T.S
TIMBER SPACER TO SUIT KERB-SIDE INLET
UNDISTURBED
AREAS
GRAVEL-FILLED WIRE MESH OR
GEOTEXTILE "SAUSAGE"
OVERFLOW TIMBER SPACER
RUNOFF GRADIENT OF
TO SUIT DRAIN 1% TO 5% CAN BE CONSTRUCTED ALL BATTER GRADES
WATER WITH
WITH OR WITHOUT 2(H):1(V) MAX.
SEDIMENT
CHANNEL SEDIMENT FENCE CONSTRUCTION NOTES:
STABILISE STOCKPILE SURFACE
DIRECTION
OF FLOW 1. CONSTRUCT SEDIMENT FENCES AS CLOSE AS POSSIBLE TO BEING PARALLEL TO
EARTH BANK 2:1
.
THE CONTOURS OF THE SITE, BUT WITH SMALL RETURNS AS SHOWN IN THE
X.)
300mm MIN
SL
SEDIMENT (MA OP DRAWING TO LIMIT THE CATCHMENT AREA OF ANY ONE SECTION. THE
FLOW PE E (M
S LO AX CATCHMENT AREA SHOULD BE SMALL ENOUGH TO LIMIT WATER FLOW IF
GRAVEL-FILLED WIRE MESH FILTERED WATER 2:1 .) CONCENTRATED AT ONE POINT TO 50 LITRES PER SECOND IN THE DESIGN
OR GEOTEXTILE "SAUSAGE" STORM EVENT, USUALLY THE 10-YEAR EVENT.
2m MIN
150mm MIN
2. CUT A 150mm DEEP TRENCH ALONG THE UPSLOPE LINE OF THE FENCE FOR THE
NOTE: ONLY TO BE USED AS TEMPORARY BANK SEDIMENT FENCE
BOTTOM OF THE FABRIC TO BE ENTRENCHED.
WHERE MAXIMUM UPSLOPE LENGTH IS 80 METRES.
MESH & GRAVEL INLET FILTER CONSTRUCTION NOTES:
3. DRIVE 1.5m LONG STAR PICKETS INTO GROUND AT 2.5m INTERVALS (MAX.) AT
1. INSTALL FILTERS TO KERB INLETS ONLY AT SAG POINTS. STOCKPILE CONSTRUCTION NOTES: THE DOWNSLOPE EDGE OF THE TRENCH. ENSURE ANY STAR PICKETS ARE
DIVERSION DRAIN CONSTRUCTION NOTES: FITTED WITH SAFETY CAPS.
2. FABRICATE A SLEEVE MADE FROM GEOTEXTILE OR WIRE 1. PLACE STOCKPILES MORE THAN 2 (PREFERABLY 5) METRES FROM EXISTING
1. BUILD WITH GRADIENTS BETWEEN 1% AND 5%. VEGETATION, CONCENTRATED WATER FLOW, ROADS AND HAZARD AREAS. 4. FIX SELF-SUPPORTING GEOTEXTILE TO THE UPSLOPE SIDE OF THE POSTS
MESH LONGER THAN THE LENGTH OF THE INLET PIT AND
FILL IT WITH 25mm TO 50mm GRAVEL. ENSURING IT GOES TO THE BASE OF THE TRENCH. FIX THE GEOTEXTILE WITH
2. AVOID REMOVING TREES AND SHRUBS IF POSSIBLE - WORK AROUND THEM. 2. CONSTRUCT ON THE CONTOUR AS LOW, FLAT, ELONGATED MOUNDS. WIRE TIES OR AS RECOMMENDED BY THE MANUFACTURER. ONLY USE
3. FORM AN ELLIPTICAL CROSS-SECTION ABOUT 150mm HIGH GEOTEXTILE SPECIFICALLY PRODUCED FOR SEDIMENT FENCING. THE USE OF
3. ENSURE THE STRUCTURES ARE FREE OF PROJECTIONS OR OTHER 3. WHERE THERE IS SUFFICIENT AREA, TOPSOIL STOCKPILES SHALL BE LESS
x 400mm WIDE. SHADE CLOTH FOR THIS PURPOSE IS NOT SATISFACTORY.
IRREGULARITIES THAT COULD IMPEDE WATER FLOW. THAN 2 METRES IN HEIGHT.
4. PLACE THE FILTER AT THE OPENING LEAVING AT LEAST A 5. JOIN SECTIONS OF FABRIC AT A SUPPORT POST WITH A 150mm OVERLAP.
4. BUILD THE DRAINS WITH CIRCULAR, PARABOLIC OR TRAPEZOIDAL 4. WHERE THEY ARE TO BE PLACE FOR MORE THAN 10 DAYS, STABILISE
100mm SPACE BETWEEN IT AND THE KERB INLET. MAINTAIN CROSS-SECTIONS, NOT "V" SHAPED.
THE OPENING WITH SPACER BLOCKS. FOLLOWING THE APPROVED ESCP OR SWMP TO REDUCE THE C-FACTOR TO 6. BACKFILL THE TRENCH OVER THE BASE OF THE FABRIC AND COMPACT IT
LESS THAN 0.10. THOROUGHLY OVER THE GEOTEXTILE.
5. ENSURE BANKS ARE PROPERLY COMPACTED TO PREVENT FAILURE.
5. FORM A SEAL WITH THE KERB TO PREVENT SEDIMENT
BYPASSING THE FILTER. 5. CONSTRUCT EARTH BANKS ON THE UPSLOPE SIDE TO DIVERT WATER SEDIMENT FENCE
6. COMPLETE PERMANENT OR TEMPORARY STABILISATION WITHIN 10 DAYS AROUND STOCKPILES AND SEDIMENT FENCES 1 TO 2 METRES DOWNSLOPE.
OF CONSTRUCTION. SCALE: N.T.S.
6. SANDBAGS FILLED WITH GRAVEL CAN SUBSTITUTE FOR THE
MESH OR GEOTEXTILE PROVIDING THEY ARE PLACED SO DIVERSION DRAIN STOCKPILES
THAT THEY CAN FIRMLY ABUT EACH OTHER AND SCALE N.T.S
SEDIMENT-LADEN WATERS CANNOT PASS BETWEEN. SCALE N.T.S
MESH & GRAVEL INLET FILTER
SCALE N.T.S
---- ---- ---- ---- ---- North Point Approved Project Address Title
---- ---- ---- ---- ----
EOIN WHITMORE
45 MAPLE ST, COOROY AND 9 MYALL EROSION AND SEDIMENT CONTROL DETAILS
N
---- ---- ---- ---- ---- 31423 17/04/2026 ST COOROY
---- ---- ---- ---- ---- For and on behalf of RECOR Pty Ltd.
---- ---- ---- ---- ---- Scale ENGINEERING & PROJECT SERVICES Client Details Project Name Sheet Size
SUNSHINE COAST | BRISBANE
---- ---- ---- ---- ---- NTS www.recor.au | ABN 89 647 469 707 MYALL RISE PTY LTD COOROY SOCIAL HOUSING A1
A 17/04/2026 ISSUED FOR OWP APPROVAL AY EW COPYRIGHT © This drawing is subject to copyright in accordance with the agreement between RECOR Pty Ltd and RECOR's Project Number Drawing Number Revision
client. This drawing shall only be used for this specific project. This drawing shall not be used for construction until marked as
Rev Date Revision Description Drawn Check DO NOT SCALE, IF IN DOUBT ASK 'Issued For Construction' in the revision description. P0478-26-001 C031 A
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