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Appendix A - Engineering Design Plans - 1 of 2 · OPW25/0057
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EROSION AND SEDIMENT CONTROL NOTES
THE FOLLOWING NOTES AND DETAILS PROVIDE INFORMATION ON THE CONTROLS AND
EROSION AND SEDIMENT SEDIMENT FENCE CONSTRUCTION NOTES
1. SEDIMENT FENCE TO BE INSTALLED ALONG WHICH CASE 3.0m MAX. SPACING.
PROCEDURES THAT ARE TO BE IMPLEMENTED AS PART OF THE EROSION AND SEDIMENT
CONTROL PLAN (E&SCP). THESE MEASURES ARE CONSIDERED SUFFICIENT TO ENSURE
THE EROSION AND SEDIMENT CONTROL STANDARD WILL BE MET, GIVEN THE SITE
CONTROL DETAILS A LINE OF CONSTANT GROUND ELEVATION
WHEREVER PRACTICAL.
4. FENCE ‘RETURNS’ SHALL BE INSTALLED AT
MAXIMUM 20m SPACING IF FENCE IS
2. BOTH ENDS OF THE SEDIMENT FENCE TO INSTALLED ALONG THE CONTOUR,
CHARACTERISTICS, PROPOSED DEVELOPMENT AND CONTROL MEASURES. EXTEND UP THE SLOPE AT LEAST 1.0m. OTHERWISE 5 TO 10m MAXIMUM SPACING.
3. SUPPORT POST TO BE SPACED A MAXIMUM 5. MINIMUM 4 STAPLES OR TIE WIRES PER
CONSTRUCTION MANAGEMENT PLAN ALL EROSION AND SEDIMENT IN ACCORDANCE WITH IECA MANUAL 2.0m UNLESS THE FENCE IS SUPPORTED BY STAKE.
OBJECTIVE/TARGET
FOR EROSION AND SEDIMENT CONTROL A TOP WIRE OR WIRE MESH BACKING, IN
TO ENSURE THAT:
(A) STORMWATER QUALITY LEAVING THE SITE IS OF ACCEPTABLE STANDARDS STAPLE/TACK FABRIC B
(<50MG/L TSS AND <75 NTU).
(B) EROSION AND SEDIMENTATION DURING CONSTRUCTION IS MINIMISED. FABRIC
THE ABOVE OBJECTIVES ARE TO BE ACHIEVED BY COMPLYING WITH THE FOLLOWING ‘RETURNS’ PLACED AT 20 M SPACING (MAX.) IF FENCE IS
REGULATIONS AND GUIDELINES: 3m (MAX.) WITH WIRE BACKING LOCATED ALONG THE CONTOUR, OTHERWISE 5 TO 10m
· EPACT 1994 AND RELEVANT POLICES. OTHERWISE 2m (MAX.) DEPENDING ON SLOPE
· INSTITUTION OF ENGINEERS SEDIMENT AND EROSION CONTROL GUIDELINES. BACK FILL FABRIC A
· IECA'S BEST PRACTICE EROSION & SEDIMENT CONTROL 1.5m (MIN.) SAFETY CAP
DIRECTION OF FLOW
MANAGEMENT STRATEGY SUPPORT POST OPTION 1
THE SITE FOREMAN WILL BE RESPONSIBLE FOR: 1500mm² HARDWOOD STAKE
· IDENTIFYING AND CHECKING STORMWATER LAND FLOWS.
SOIL
· PROVIDE BARRIERS AND OTHER MEASURES TO PREVENT STORMWATER FLOWS SUPPORT POST OPTION 2
OVER EMBANKMENTS AND SEDIMENTS INTO EXISTING GULLY PITS. 1.5kg/m STEEL PICKET
TASKS/ACTION PRE-CONSTRUCTION SEDIMENT FENCE SEDIMENT FENCE
BEFORE CONSTRUCTION ACTIVITIES BEGIN, THE FOLLOWING MEASURES NEED TO BE ANCHORING BASE OF FABRIC
IMPLEMENTED TO MINIMIZE DISTURBANCE AND ADVERSE WATER QUALITY IMPACTS.
JOINING FABRIC
· SEDIMENT FENCES ARE TO BE CONSTRUCTED AT THE TOP OF EMBANKMENTS NOT TO SCALE NOT TO SCALE
AND AT THE BASE OF FILL EMBANKMENTS.
· DIVERSION BANKS TO BE CREATED AT THE UPSTREAM BOUNDARY OF ALL SUPPORT POSTS PLACED
CONSTRUCTION ACTIVITIES TO ENSURE UPSTREAM RUNOFF IS DIVERTED DOWN-SLOPE OF FABRIC TEMPORARY ENTRY/
AROUND ANY AREAS TO BE EXPOSED. CATCH-DRAINS AT THE DOWNSTREAM FABRIC
BURIED CONSTRUCTION SITE CATTLE GRID 3.0m NOM WIDTH EXIT CONSTRUCTION NOTES
BOUNDARY OF CONSTRUCTION ACTIVITIES SHOULD ALSO BE CREATED 5m SET 300mm ABOVE GROUND
200mm SEDIMENT FENCE FABRIC, NOT MIN 1. STRIP THE TOPSOIL, LEVEL THE SITE AND
NOM
(WHEREVER POSSIBLE) TO ENSURE ANY SEDIMENT-LADEN RUNOFF IS
100
FILTER CLOTH OR SHADE CLOTH T COMPACT THE SUBGRADE.
CONTAINED AND DIRECTED TOWARD TREATMENT AREAS AND NOT PERMITTED EN
NM 2. COVER THE AREA WITH NEEDLE-PUNCHED
TO FLOW ONTO DOWNSTREAM UNDISTURBED AREAS. DIVERSION BANKS SHOULD A LIG
10 TY GEOTEXTILE.
BE CONSTRUCTED APPROXIMATELY ALONG CONTOURS TO MINIMIZE SCOUR MIN m ER
INSTALLATION OF SEDIMENT FENCE OP 3. CONSTRUCT A 200mm THICK PAD OVER
ALONG THE DRAINS. PR EL
GEOFABRIC FABRIC, NN THE GEOTEXTILE USING ROAD BASE OR
· SILT FENCES AND SAND BAGS WILL BE PLACED ALONG CATCH DRAINS TO SLOW NOT TO SCALE HA
300
BIDUM A34 OR SIMILAR & C Y 30mm AGGREGATE.
FLOW, REDUCE SCOUR, MINIMIZE SEDIMENT FROM RUNOFF. RB WA
KE AD 4. ENSURE THE STRUCTURE IS AT LEAST
· STRATEGICALLY PLACE CHECK DAMS AROUND GULLY PITS. DESIGNATION OF RO
FILTER SOCKS 3 mIN W 15m LONG OR TO BUILDING ALIGNMENT
AREAS FOR PLANT AND MATERIAL STORAGE. M NE AND AT LEAST 3m WIDE.
OVERLAP ONTO KERB OR
· DESIGNATION AND MARKING OF TRANSPORT ROUTES ACROSS UNDISTURBED G, 5. WHERE SEDIMENT FENCE JOINS ONTO
PORTIONS OF THE SITE TO MINIMIZE UNNECESSARY VEGETATION DISTURBANCE. I STIN
RUNOFF TO BE DIRECTED TO A SEDIMENT EX THE STABILISED ACCESS, CONSTRUCT A
· EDUCATION OF SITE PERSONNEL TO THE SEDIMENT AND EROSION CONTROL TRAP. REFER STANDARD DRAWING DS-302. HUMP OR GRATE IN THE STABILISED
MEASURES IMPLEMENTED ON SITE.
SEDIMENT ACCESS TO DIVERT WATER TO THE
TASKS/ACTIONS DURING CONSTRUCTION POND TEMPORARY ENTRY/EXIT SEDIMENT FENCE.
MEASURES TO MITIGATE WATER QUALITY IMPACTS DURING CONSTRUCTION.
· CONSTRUCTION ACTIVITIES BE CONFINED WITHIN THE NECESSARY
CONSTRUCTION AREA(S)
· INSTALLATION OF SILT FENCES DOWNSTREAM OF DISTURBED AREAS. SILT RUN-OFF RUNOFF
FENCES SHOULD BE LOCATED CONTINUOUSLY ALONG CONTOURS AND SHOULD 1m (MAX.) ON FORMED TOP WIDTH CATCH DRAIN CONSTRUCTION
TREAT AREAS LESS THAN 0.6 HA. PER 100M OF SILT FENCE. PUBLIC ROADS NOTES
· WEEKLY INSPECTION AND MAINTENANCE OF SILT FENCES, SEDIMENT BASINS 1. EXCAVATE THE DIVERSION CHANNEL
150mm 2 (MIN.)
AND OTHER EROSION CONTROL MEASURES. CHECK FENCES AFTER RAINFALL REMOVING ALL DEBRIS
(MIN.)
EVENTS AND REMOVE COLLECTED MATERIAL WHEN FENCE IS 50% FULL. 2. ENSURE THE DRAIN INVERT MUST FALL
BYPASS 1
REPLACEMENT OF ANY DAMAGED EQUIPMENT SHOULD BE PERFORMED 10cm EVERY 10m FOR EACH 1% OF
FLOW
IMMEDIATELY. CHANNEL GRADIENT
· RETAIN SITE VEGETATION WHERE POSSIBLE AND SUITABLE. 3. ENSURE THE SIDES OF THE CUT DRAIN
· PROGRESSIVE RE-VEGETATION OF CUT AND FILL AREAS AND FILL BATTERS WITH (A) ON-GRADE KERB INLET SEDIMENT TRAP
ARE NO STEEPER THAN 1.5:1 (H:V) SLOPE
TWO GRASS SPECIES IF SEEDING. AND TEH EMBANKMENT FILL SLOPES ARE
· MULCHING AND RETENTION OF VEGETATION AND TOPSOIL FOR FINAL SITE NO STEEPER THAN 2:1
REHABILITATION AND LANDSCAPING WORKS. 4. ENSURE THE DRAIN DISCHARGES TO A
· AIM FOR 60% COVERAGE WITHIN 20 DAYS AND 70% WITHIN 6 WEEKS NON-DISPERSIVE SUBSOIL
FILTER SOCKS MAY NEED TO FULLY SURROUND THE INLET TO STABLE OUTLET
· RE-VEGETATION AND LANDSCAPING OF REMAINING EXPOSED AREAS USING THE INTERCEPT SEDIMENT RUNOFF FROM THE ROAD AND VERGE 5. IF GEOTEXTILE LINED FOLLOW THE
TOPSOIL AND ANY MULCHED VEGETATION RETAINED FROM INITIAL SITE PVC PIPE METHOD OD INTSALLATION PROCEDURES
CLEARING. VEGETATION SHOULD BE WATERED AND MAINTAINED UNTIL IT IS SPACERS (A) PARABOLIC CATCH DRAIN WITH DOWN-SLOPE BANK PROVIDED BY THE MANUFACTURER OR
SUITABLY ESTABLISHED. DISTRIBUTOR OF THE PRODUCT.
· IF LANDSCAPING IS REQUIRED SPECIES TO BE USED SHOULD PREFERABLY BE 6. INSPECT THE DIVERSION CHANNEL
NATIVE AND ENDEMIC TO THE AREA. REMOVAL/MANAGEMENT OF WEEDS. WEEKLY AND AFTER ANY INCREASE OF
PERFORMANCE INDICATORS RUNOFF FLOWS OR RAIN EVENTS. REPAIR ANY
FORMED TOP WIDTH SLUMPS, WHEEL TRACK DAMAGE OR
THE SITE FOREMAN WILL CARRY OUT REGULAR CHECKS OF THE ONSITE SEDIMENT AND
LOSS OFF FREEBOARD
EROSION CONTROL MEASURES DURING CONSTRUCTION AND AFTER EVERY RAINFALL
7. ON COMPLETION OF THE CONSTRUCTION
EVENT. THE CHECKS WILL INCLUDE THE FOLLOWING: 2 (MIN.) WORK, REMOVE THE TEMPORARY
· EROSION AND SEDIMENT FLOWS CHECKED AT THE BASE OF EMBANKMENTS. 150mm
DIVERSION CHANNEL. THE AREA IS TO BE
· NO VISIBLE EVIDENCE OF INCREASED TURBIDITY DIRECTLY ATTRIBUTED TO (MIN.) 1 STABILISED AND REHABILITED
CONSTRUCTION ACTIVITIES. APPROPRIATELY.
· NO VISUAL EVIDENCE OF SCOURING. FILTER SOCK
· CONSTRUCTED CHECK DAMS TO BE INSPECTED DURING RAINFALL EVENTS TO
ENSURE THEY ARE OPERATING CORRECTLY. GULLY GRATE WRAPPED IN NON-WOVEN SIDE INLET REMAINS
FILTER FABRIC (MINIMUM, BIDIM A34 OR OPEN
FREQUENCY/DEADLINE EQUIVALENT)
· MATERIAL STOCKPILES WILL BE INSPECTED REGULARLY TO CONFIRM THEIR
LOCATION IS NOT RESULTING IN THE GENERATION AND UNCONTROLLED NON-DISPERSIVE SUBSOIL
TRANSPORT OF SEDIMENT. (B) SAG INLET SEDIMENT TRAP
· INSPECTION OF EROSION AND SEDIMENT CONTROL MEASURES AND
STRUCTURES TO BE UNDERTAKEN AFTER EACH RAINFALL EVENT. KERB INLET SEDIMENT TRAPS (B) TRIANGULAR V-DRAIN WITH DOWN-SLOPE BANK
· IF AREAS ARE BEING RE-VEGETATED FOLLOWING COMPLETION OF
CONSTRUCTION, THESE AREAS WILL BE INSPECTED WEEKLY TO CONFIRM THAT Check all dimensions before commencement of work.
VEGETATION IS BECOMING ESTABLISHED. Check Site boundary dimensions from the Title plans
Check Building Boundary clearances by set out.
REPORTING AND REVIEW Notwithstanding the information supplied on this drawing,
RESULTS OF INSPECTIONS WILL BE REPORTED AS PART OF THE DEVELOPERS REGULAR the location, depth and extent of underground or overhead
services are to be confirmed and protected on site by the
REPORTS TO THE NOOSA SHIRE COUNCIL SITE INSPECTOR.
contractor prior to commencement of works.
Approved
Checked - CT Drawing title - Project - PROPOSED 1 INTO 3 Site - Project No. 233467 Sheet No. C142
Design - SK Drawn - SK D 24/03/2025 UPDATED PROJECT NAME SK EROSION & SEDIMENT CONTROL DEVELOPMENT 62 LAKE MACDONALD DRIVE, Digital Ref :
C142 EROSION & SEDIMENT
CONTROL DETAILS Issue : D
C 14/03/2025 UPDATED LOT LAYOUT SK
Scales - AS SHOWN B 20/09/2024 ISSUE FOR APPROVAL SK COVEY ASSOCIATES PTY LTD 124 DUPORTH AVENUE DETAILS Client -
NOOSA COUNCIL COOROY This Document is copyright and shall not be copied
A 10/01/24 ISSUE FOR CLIENT REVIEW SK
ABN 59 137 305 992 PO BOX 16 without written approval, nor shall it be used except
Document Stage - APPROVAL (07) 5443 7777 MAROOCHYDORE QLD 4558 for the Development and the Site Specified.
Issue Date Description By [email protected]
c:\12dS\data\12DSERVER\233467_2957\DWG Covey\OPW\Uncontrolled\C142 EROSION & SEDIMENT CONTROL DETAILS.dwg Plot 25 March 2025 - 5:27 PM
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