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Combined_Civil_Drawings_-_Royal_Mail_Hotel
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5.0
EROSION & SEDIMENTATION CONTROL NOTES CONSTRUCTION SITE
MI m CATTLE GRID 3.0m NOM
N WIDTH SET 300mm
1. GENERAL
NOM
100
ABOVE GROUND
1.0. REFER IECA (AUST) VOLUME 2 FOR TYPICAL CONSTRUCTION PHASE CONTROLS
2. TOPSOIL
10 TY
2.0. STRIP & STOCKPILE AVAILABLE TOPSOIL (ASSUMED AVERAGE DEPTH 150mm) .0
MI m P ER NT
O
FROM DISTURBED AREAS PRIOR TO BULK EARTHWORKS. GRADE BULK N PR NME
G
EARTHWORKS SURFACE LEVEL EVENLY TO ENSURE SITE IS FREE DRAINING. GEOTEXTILE FABRIC, ALI
2.1. MINIMUM SLOPE ACROSS SITE TO BE 0.5%. BIDUM U34 OR SIMILAR.
300
2.2. ALL FOOTPATHS, BATTERS & EARTHWORKS AFFECTED AREAS ARE TO BE
m SANDBAGS OVERLAP
TOPSOILED TO A MINIMUM DEPTH OF 100mm (LIGHTLY COMPACTED) & TURFED 3.0 IN ONTO KERB 4.0m MIN
WHERE SPECIFIED. M BIDM WRAPPED
2.3. SEDIMENT FENCES TO BE PLACED AS SHOWN. SEDIMENT FENCES TO BE SOCK TO BE FILLED
RUNOFF FROM PAD
1.5
REPAIRED & EXCESSIVE SEDIMENT DEPOSITS SHALL BE REMOVED ONCE WITH GRAVEL
DIRECTED TO SEDIMENT
0M
CAPACITY FALLS BELOW 75%
TRAP.
3. SEDIMENT FENCES
IN
RUNOFF
3.1. SEDIMENT FENCES TO BE REPAIRED AS REQUIRED & EXCESSIVE SEDIMENT
DEPOSITS SHOULD BE REMOVED. BYPASS FLOW TO INLET
NOTE 1: UNBOUND PAVEMENT MATERIAL 0.60m NOM GAP BETWEEN RUNOFF
3.2. IN THE EVENT OF WET WEATHER, INSTALL KERB INLETS FILTER WITH GRAVEL
(GRAVEL) TO GRADING B, TABLE 9 OF BAGS ACT AS SPILLWAY GRATE TO BE
RANGING FROM 50mm TO 75mm IN SIZE. IF THE GRAVEL FILTER BECOMES
TMR SPECIFICATION MRS11.05, EXCLUDE LINED WITH
CLOGGED WITH SEDIMENT DURING ITS USE, THE GRAVEL MUST BE PULLED MATERIAL FINER THAN AS SIEVE 2.36mm. THREE LAYERS OF SANDBAGS
WITH ENDS OVERLAPPED. GEOFABRIC.
AWAY FROM THE MESH & CLEANED OR REPLACED.
3.3. REGULAR WEEKLY CHECKS OF SILT FENCES IS TO BE MADE ALONG WITH A CHECK
AFTER ANY SIGNIFICANT STORM EVENT TO ENSURE INTEGRITY &
ON GRADE KERB INLET SEDIMENT
PERFORMANCE. TEMPORARY CONSTRUCTION ON GRADE KERB INLET SEDIMENT TRAP TRAP ON EXISTING ROADS
N.T.S N.T.S.
4. TURFING ENTRY / EXIT SEDIMENT TRAP
4.1. PROVIDE TURFING TO ENTIRE WIDTH OF ALL SWALES, FOOTPATHS & 1 in 4 CUT N.T.S
& FILL BATTERS.
4.2. FOOTPATH BATTERS ARE TO BE STABILISED WITH TOPSOIL (& TURFED) AS SOON
AS PRACTICAL AFTER THE BATTERS HAVE BEEN COMPLETED. REMAINING
EXPOSED AREAS ON LOTS ARE TO BE SEEDED & MULCHED (EG. HYDROMULCH).
00
5. DURING CONSTRUCTION SEQUENCE 30 X
SL42 FABRIC TO AS 1304 MA
5.1. TOPSOIL STOCKPILE SITE TO HAVE A SEDIMENTATION FENCE CONSTRUCTED ON DISTURBED AREA
DOWNSTREAM SIDE. DIR "RETURNS" PLACED AT 20m MAXIMUM SPACING
5.2. SEDIMENTATION FENCES TO BE PLACED AS SHOWN. EC IF FENCE IS LOCATED ALONG THE CONTOUR,
TIO
5.3. REGULARLY INSPECT BANKS & REPAIR ANY SLUMPS, WHEEL TRACK DAMAGE OR NO OTHERWISE 5 to 10m DEPENDING ON SLOPE
FF
LOSS OF FREEBOARD LO
W
5.4. REMOVE SEDIMENT TO AVOID PONDING FROM CATCH DRAINS GEOTEXTILE FABRIC
5.5. REMOVE EXCESSIVE SEDIMENT FROM UPSTREAM OF CHECK DAM.
POSTS OR STEEL PICKETS DIR
5.6. ROAD RESERVE TO BE USED AS HAUL ROAD DRIVEN 600mm INTO GROUND EC .
TIO
600 MAX
5.7. A CATCH DRAIN BANK IS TO BE PROVIDED ON THE TOP SIDE OF ALL CUTS & N OF
DISCHARGED EITHER TO UNDISTURBED GRASS LANDS OR TO THE CROSS ROAD 100 MIN VERTICAL OVERLAP OF FLO
W 1.5m MINIMUM
DRAINAGE FABRIC UNDISTURBED AREA
5.8. SUPPLEMENTARY EROSION & SEDIMENT CONTROL DEVICE MAY BE REQUIRED
AT THE DISCRETION OF THE ENGINEER BACKFILL
5.9. CONSTRUCTION EXIT SHALL BE AT ONLY ONE NOMINATED POINT ON DIYAN
STREET . REFER TYPICAL DETAIL
200
5.10. WATER QUALITY SAMPLES MUST BE TAKEN & ANALYSED PRIOR TO RELEASE OF
ANY WATER FROM THE SEDIMENT POND. WATER QUALITY MUST SATISFY THE SILT FENCE ELEVATION
FOLLOWING CRITERIA:TSS<50MG/L PH BETWEEN 6.5 & 8.5. IF WATER QUALITY N.T.S.
FAILS THE CRITERIA THEN THE USE OF A GYPSUM FLOCCULENT IS TO BE APPLIED
AS DIRECTED BY THE MANAGING CONTRACTOR OR CONSULTING ENGINEER.
5.11. ALL WATER QUALITY DATA INCLUDING DATES OF RAINFALL, TESTING & WATER
RELEASE MUST BE MAINTAINED IN AN ON-SITE REGISTER. THIS REGISTER IS TO 1.2m WIDE TURF STRIP TO BE PLACED
BE MAINTAINED FOR THE DURATION OF THE APPROVED WORKS & BE BEHIND ALL KERB & CHANNEL TURF GEOFABRIC UNDER
AVAILABLE ON SITE FOR INSPECTION ON REQUEST. TO BE PLACED FOR FULL FOOTPATH SILT FENCE RETURNS FIELD INLET GRATE
5.12. GRASS SEEDING/HYDRO MULCH IS TO ACHIEVE 70% COVER WITHIN 30 DAYS OF WIDTH WHERE INDICATED ON PLAN. N.T.S
COMPLETION OF EARTHWORKS. HYDRO MULCH IS A DESIGN AND CONSTRUCT
SPECIFICATION BY THE SUPPLIER.
6. FOLLOWING CONSTRUCTION
6.1. SEDIMENTATION FENCES TO BE MAINTAINED UNTIL TURFING IS COMPLETED &
GRASS IS 80% ESTABLISHED.
FOOTPATH PROFILE TO BE TRIMMED
6.2. SEDIMENT BASINS TO BE CHECKED & DE-SILTED AFTER EVERY SIGNIFICANT
STORM EVENT OR IN THE CASE OF NO SIGNIFICANT STORM EVENT, EVERY 12
TO BE 50mm BELOW TOP OF KERB &
CHANNEL TO ALLOW PLACEMENT OF
FIELD INLET SEDIMENT TRAP: GEOFABRIC
N.T.S.
WEEKS . TURF STRIP.
SAND BAGS
INLET WITH GRATE
NOTE:
NOT WITHSTANDING THE DETAILS ON THESE DRAWINGS THE CONTRACTOR IS EROSION CONTROL AT KERB
ULTIMATELY RESPONSIBLE FOR EROSION AND SEDIMENT CONTROL WITHIN THE N.T.S.
SITE. THE CONTRACTOR SHALL COMPLETE ALL DESIGN MEASURES AND MORE AS
ANY ADDITIONAL MEASURES AND MAINTENANCE REQUIRED TO SUIT THEIR GEOTEXTILE MATERIAL(BIDIM
CONSTRUCTION STAGING. ALL COSTS IN RELATION TO EROSION AND SEDIMENT A34 OR EQUIVALENT)
CONTROL ARE TO BE INCLUDED IN THE LUMP SUM.
RUNOFF WATER SAND BAGS
FILTERED WATER
GEOTEXTILE MATERIAL(BIDIM
SEDIMENT A34 OR EQUIVALENT)
FIELD INLET WITH GRATE
MANAGEMENT OF DUST, EROSION AND
J:\2023\23169\05_DRAWINGS\DRG\C0200.DWG
SEDIMENT IS THE RESPONSIBILITY OF THE
EARTHWORKS CONTRACTOR. FIELD INLET SEDIMENT TRAP
N.T.S.
THEY ARE TO PREPARE PHASE SPECIFIC EROSION THIS DRAWING IS BEST
CONTROL PLANS AND SUBMIT TO THE VIEWED IN COLOUR AND
MANAGING CONTRACTOR PRIOR TO BEGINNING ON AN ELECTRONIC DEVICE
WORK ON THE RELEVANT PHASE.
STATUS
FOR APPROVAL
DWN DES CHK APP CLIENT PROJECT SUBJECT PROJECT No.
SCAN QR CODE TO
REV DATE DESCRIPTION
ASSOCIATED CONSULTANTS APPROVED CHECKED
11/04/2025 3:40:39 PM
C 10.04.25 ISSUE FOR OPERATIONAL WORKS APPROVAL AR KHN SG NR QUEENSLAND VENUE 120 POINCIANA AVE, EROSION & SEDIMENT 23169
CONFIRM CURRENT B 04.02.25 IFC PART 1 AR KHN SG NR
COMPANY PTY LTD TEWANTIN, QLD CONTROL NOTES AND DRAWING No. REVISION
DRAWING REVISION A 17.10.24 ISSUE FOR CO-ORDINATION AR KHN SG
http://docs.bornhorstward.com.au/revision/ ---- ---- DETAILS C0200 C
DATE 11/04/25 DATE 11/04/25
COPYRIGHT © - This document is and shall remain the property of Bornhorst & Ward Pty. Ltd. The document may only be used for the purpose for which it was commissioned and in accordance with the terms of engagement. Unauthorised use of this document in any form whatsoever is prohibited.
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