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16-003302-3204(A)
From the archive 16-003302- Proposed Stage 3 Plans.zip, inside Operational Works Application OPW16/0345. File date in the archive: 2016-12-23 11:13.
DocuSign Envelope ID: 69D49415-881C-4D35-BC9B-DE8DA1B3BB93
EROSION AND SEDIMENT CONTROL NOTES: SEDIMENT MANAGEMENT PROGRAM:
1. THE CONTRACTOR IS TO TAKE ALL NECESSARY PRECAUTIONS TO CONTROL AND MINIMISE EROSION AND 1. CLEARING
MIN LE BERM (0.3m MIN
DOWNSTREAM SEDIMENTATION DURING ALL STAGES OF CONSTRUCTION INCLUDING THE MAINTENANCE PERIOD. - INSTALL APPROPRIATE SAFETY FENCING AND SIGNAGE. NGTH 1
5.0m
2. NOTWITHSTANDING THE DESIGN SHOWN ON THE DRAWINGS, THE CONTRACTOR IS RESPONSIBLE TO IMPLEMENT - SEDIMENT FENCE, SEDIMENT BASINS AND DIVERSION DRAINS TO BE CONSTRUCTED AS REQUIRED. HIGH)
SEDIMENT CONTROL DEVICES USING BEST PRACTICES AS NECESSARY TO MINIMISE THE QUANTITY OF SEDIMENT - EXISTING GRASSED AREAS TO REMAIN WHERE POSSIBLE. 0.2m
LEAVING THE SITE. 3.0m
- SHAKE DOWN/WASH DOWN BAY AT NOMINATED ENTRY/EXIT POINT ON TRADING POST ROAD AS REQUIRED. MIN WIDTH
3. SOME VARIATIONS TO THE SPECIFIED CONSTRUCTION SEQUENCE MAY BE NECESSARY IN CERTAIN AREAS TO - CONSTRUCT UPSTREAM CLEAN WATER DIVERSION DRAINS GEOTEXTILE
FACILITATE CONSTRUCTION. WHERE THIS IS THE CASE, ANY VARIATION MUST BE APPROVED BY THE - SUPERINTENDENT TO CONFIRM EXTENT OF CLEARING TO CONTRACTOR PRIOR TO COMMENCEMENT OF WORKS. FABRIC
SUPERINTENDENT PRIOR TO IMPLEMENTATION. - REFER ALSO TO VEGETATION MANAGEMENT PLAN.
4. AT ALL TIMES THE CONTRACTOR SHALL MONITOR THE PREVAILING WEATHER CONDITIONS AND PROTECT ANY 2. EARTHWORKS RUNOFF FROM PAD DIRECTED 50-75mm
DOWNSTREAM CONSTRUCTION GULLY INLETS. - SEDIMENT FENCES AND DIVERSION DRAINS TO BE CONSTRUCTED AS REQUIRED TO SEDIMENT TRAP GRAVEL
5. CLEARING OF SITE AND STOCKPILE SITE TO BE DETERMINED ON SITE BY SUPERINTENDENT AND IS TO BE CLEAR OF 3. STOCKPILE
ANY WATER COURSE. - SEDIMENT FENCE TO BE ERECTED 5m FROM TOE OF BATTER ON LOW SIDE OF STOCKPILE.
6. WHERE POSSIBLE PROVIDE CUT-OFF DRAINS TO DIVERT CLEAN WATER FROM UNDISTURBED CATCHMENT.
7. ALL PERIMETER BANKS/SWALES SHALL HAVE UNINTERRUPTED POSITIVE GRADE TO AN OUTLET.
- CUT OFF DRAIN ON HIGH SIDE TO DIRECT SURFACE RUNOFF AROUND STOCKPILE. TEMPORARY CONSTRUCTION EXIT WASHDOWN DEVICE
4. MAINTENANCE PERIOD N.T.S.
8. CONSTRUCT WASH DOWN BAY OR SHAKE DOWN AT ENTRY/EXIT TO COUNCIL STANDARDS AND TO THE SATISFACTION - ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE INSPECTED:
OF COUNCIL'S LICENSING AND COMPLIANCE OFFICER. - AT LEAST DAILY (WHEN WORK IS OCCURRING ON SITE) OR WEEKLY (WHEN WORK IS NOT OCCURRING ON SITE)
9. THE EXTENT OF GRASSING OR HYDROMULCHING BE DETERMINED BY THE ENGINEER AND SHALL BE SEEDED, AS - WITHIN 24 HOURS OF EXPECTED RAIN; AND
SPECIFIED, WITHIN SEVEN DAYS OF FINAL TRIMMING. - WITHIN 18 HOURS OF A RAINFALL EVENT REMOVE FABRIC BETWEEN
10. THE CONTRACTOR SHALL BE RESPONSIBLE FOR COMPLYING WITH COUNCIL'S REQUIREMENTS IN RELATION TO GRASS - ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE MAINTAINED THE SAME DAY WHEN THE CAPACITY OF STEEL PICKET IN SAGS
STRIKE AND GRASS COVERAGE RATES AT THE ON AND OFF MAINTENANCE INSPECTIONS. THE EROSION AND SEDIMENT CONTROL MEASURE FALLS BELOW 75%.
11. ALL MATERIALS TRACKED OR SEDIMENT WASHED ONTO COUNCIL'S ROAD FROM THE DEVELOPMENT ARE TO BE - ANY REPAIRS TO EROSION AND SEDIMENT CONTROL DEVICES ARE TO BE EFFECTED IMMEDIATELY. SEDIMENT
BROOMED UP AND COLLECTED. AFTER RAIN IS TO BE CLEANED FROM STREETS AND ALLOTMENTS IMMEDIATELY AND CORRECTIVE ACTION TAKEN
12. ALL SEDIMENT CONTROL DEVICES SHALL BE MONITORED, CLEANED AND/OR REPAIRED WHENEVER THE CAPACITY OF TO AVOID A RE-OCCURRENCE OF THE FAILURE.
THE EROSION AND SEDIMENT CONTROL MEASURE FALLS BELOW 75%.
13. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE INSPECTED AT LEAST DAILY (WHEN WORK IS
OCCURRING ON SITE) OR WEEKLY (WHEN WORK IS NOT OCCURRING ON SITE). WITHIN 24 HOURS OF EXPECTED RAIN CONSTRUCTION SEQUENCE: SAND BAGS BOTH SIDES
AND WITHIN 18 HOURS OF A RAINFALL EVENT AS REQUIRED TO MAINTAIN CONTROL DEVICES. A. CONSTRUCT ENTRY AND EXIT POINT TOGETHER WITH SHAKE DOWN DEVICE ON TRADING POST ROAD. MESH OR GEOFABRIC OF OVERFLOW PATH
14. ALL TEMPORARY EROSION AND SEDIMENT CONTROL (ESC) MEASURES ARE TO BE MAINTAINED AND FULLY B. ERECT SEDIMENT FENCES ALONG DOWNSTREAM ADJACENT PROPERTY BOUNDARIES. PLACE BARRIER FENCES ON GROUND TO EXTEND TO BACK OF
OPERATIONAL DURING THE MAINTENANCE PERIOD, AND ARE TO BE REMOVED AFTER THE SATISFACTORY AROUND LOTS OR AREAS THAT DO NOT REQUIRE DISTURBANCE TO ENSURE AREAS REMAIN UNDISTURBED. REDUCE EROSION PAVEMENT BOX
COMPLETION OF AN 'OFF MAINTENANCE' INSPECTION AND PRIOR TO FORMAL ACCEPTANCE BY COUNCIL. C. CONSTRUCT CLEAN WATER DIVERSION SWALES TO ENSURE UPSTREAM RUNOFF IS DIVERTED AROUND THE SITE.
15. NO OBSTRUCTIONS SHALL BE PLACED ON COUNCIL'S PUBLIC ROADS OR GULLY PITS FOR SAFETY REASONS. ALL DIVERSION SWALES ARE TO BE CONSTRUCTED PRIOR TO ANY EARTHWORKS OPERATIONS. SPILL THROUGH WEIR DETAIL
D. CLEARING, GRUBBING AND EARTHWORKS OF SEDIMENT BASIN AREAS ONLY. INSTALL AT ALL SAG POINTS IN SILT FENCES
E. CONSTRUCT TEMPORARY SEDIMENT BASINS, WITH NON-DISPERSIVE MATERIAL, SPILLWAY, AND OTHER
ASSOCIATED WORKS.
F. CONSTRUCT DIVERSION DRAINS DIRECTING DIRTY WATER INTO SEDIMENT BASINS.
G. CLEARING, GRUBBING AND STRIPPING FOR THE REMAINDER OF THE SITES EARTHWORKS AREAS. DIRECT RUN-OFF SEDIMENT CONTROL FABRIC TO BE POSTS AT NOMINAL 2.0m
SEDIMENT BASIN NOTES: TO SEDIMENT BASINS. 'PROPEX' OR SIMILAR APPROVED CTRS TO BE STEEL PICKET
1. SEDIMENT BASIN CONSTRUCTION AND MAINTENANCE TO BE IN ACCORDANCE WITH SOIL EROSION AND SEDIMENT H. UNDERTAKE EARTHWORKS OPERATIONS.. TOP EDGE TO BE SUITABLY OR 50 x 50 HARDWOOD
CONTROL - ENGINEERING GUIDELINES FOR QLD CONSTRUCTION SITES - IEA QLD; AS PER NOOSA SHIRE COUNCIL PSP05 I. ERECT SEDIMENT FENCES TO LOTS. SUPPORTED BETWEEN POSTS
CLAUSE 5.2. J. PLACE SEDIMENT FENCES AT BOUNDARIES ADJACENT TO ROADWAYS WHERE LOT SLOPES TOWARDS ROAD.
2. FOR THE ENTIRE EMBANKMENT AREA STRIPPING OF VEGETATION AND ANY HIGHLY ORGANIC TOP SOILS AND ANY SOFT K. TOPSOIL AND GRASS SEED ALL REMAINING LOTS FOLLOWING PROGRESSIVE COMPLETION OF EARTHWORKS IF
DIRECTED BY SUPERINTENDENT. NOTE:
700 APPROX
CLAYS TO DEPTHS OF APPROXIMATELY 0.3m IS REQUIRED.
3. THE STRIPPED SURFACE IS TO BE INSPECTED AND TESTED BY A GEOTECHNICAL ENGINEER. L. ON COMPLETION OF WORKS AS STATED ABOVE, ESTABLISHMENT OF 70% GRASS COVER AND APPROVAL BY PROVIDE SMALL UPSTREAM
4. SUBJECT TO THE GEOTECHNICAL ENGINEER INSPECTION EXCAVATION OF A CUTOFF KEY ALONG THE EMBANKMENT COUNCIL, REMOVE SEDIMENT BASIN, SEDIMENT TRAPS AND REHABILITATE AREAS. GRASS SEED IMMEDIATELY. RETURNS (2-3m) AT 30m MAX.
CENTERLINE AT LEAST 0.5m - 1.0m INTO THE FOUNDATION MATERIALS SHALL BE REQUIRED. PLACE SEDIMENT FENCES TO DOWNSTREAM SIDES OF DISTURBED AREAS. SPACINGS ALONG FENCE
5. THE CLAY FILLING FOR THE BASIN SHOULD BE PLACED IN HORIZONTAL LAYERS OF 200mm THICKNESS AND COMPACTED M. COMPLETE REMAINING EARTHWORKS OPERATIONS TO AREAS WHERE SEDIMENT BASINS AND DIVERSION DRAINS
FALL
TO A DENSITY RATIO WITHIN THE RANGE 98% - 102% STANDARD COMPACTION (AS 1289.5.1.1). PLACEMENT MOISTURE HAVE BEEN REMOVED. ENSURE ADEQUATE SEDIMENT FENCES ARE PLACED DOWNSTREAM OF ALL WORKS.
450
CONTENTS SHOULD BE WITHIN THE RANGE OMC - 1% TO OMC + 2% (WHERE OMC = OPTIMUM MOISTURE CONTENT FOR 200 X 200
STANDARD COMPACTION). EROSION RISK ASSESSMENT: TRENCH
8. WATER QUALITY SAMPLES MUST BE TAKEN AND ANALYSED PRIOR TO THE RELEASE OF ANY WATER FROM THE SEDIMENT SOIL LOSS ESTIMATE BASED ON REVISED UNIVERSAL SOIL LOSS EQUATION (RUSLE):
BASINS. WATER QUALITY MUST SATISFY THE FOLLOWING CRITERIA: TSS < 50mg/L, PH BETWEEN 6.5 AND 8.5 AT ALL TIMES. A = K x R x LS x P x C EQUATION 1 (IECA 2008) WHERE: SEDIMENT FENCE DETAIL
RESULTS ARE REQUIRED TO BE FORWARDED TO SUPERINTENDENT WITHIN 48 HOURS OF SAMPLING. R = 3646 (GYMPIE AREA - IECA 2008) N.T.S.
9. ALL WATER QUALITY SAMPLES DATA INCLUDING DATES OF RAINFALL, DATES OF TESTING AND WATER RELEASE, MUST BE 3.0m WIDE MIN.
K = 0.025 (IECA 2008 TABLE E4 & E5)
MAINTAINED IN AN ON-SITE REGISTER. THIS REGISTER IS TO BE MAINTAINED FOR THE DURATION OF THE APPROVED 1 in TOP OF BANK
LS = 0.79 (IECA 2008 TABLE E3) 2 2
WORKS, AND BE AVAILABLE FOR INSPECTION BY COUNCIL OFFICERS ON REQUEST. 1 in
P = 1.3 (DEFAULT - IECA 2008)
10. FLOCCULATION AGENT FOR TYPE 'D' BASIN SHALL BE GYPSUM DOSED AT ABOUT 32kg/100Cum. CONTRACTOR TO HAVE
SUPPLY OF FLOCCULATION AGENT AVAILABLE ON SITE.
C = 1 (DEFAULT - IECA 2008) EXTEND SANDBAGS TO
11. FLOCCULATION, TESTING AND DEWATERING IN A NON-EROSIVE MANNER SHALL BE COMPLETED WITHIN 5 BUSINESS DAYS BATTER EXTENTS
FROM A RUN-OFF INCLUDING RAIN EVENT. ANY WATER DISCHARGED FROM THE SEDIMENT BASIN AND RELEASED A = 93.611 GEOTEXTILE ROCK LINED BASE, 300mm
OFF-SITE MUST ACHIEVE THE WATER QUALITY CRITERIA PRIOR TO BEING RELEASED FROM THE SITE. THICK. SIZE D50 = 200mm.
12. ALL REASONABLE AND PRACTICAL MEASURES SHALL BE TAKEN TO DIRECT STORMWATER TO SEDIMENT BASINS USING SOIL LOSS IS LESS THAN 150t/ha/yr, THEREFORE TYPE '2' SEDIMENT ROCK FILTER DAM OUTLET STRUCTURE
CONTOURED CATCH DRAINS. CONTROLS AREA APPROPRIATE FOR USE ON THIS SITE EMERGENCY OVERFLOW SPILLWAY 0.30m HIGH. PROVIDE 100mm DEEP 1m
13. WHERE REQUIRED DURING ROAD CONSTRUCTION, SUITABLE GAPS IN THE KERB SHALL BE LEFT IN ORDER TO ALLOW N.T.S. WIDE WEIR AT EMERGENCY SPILLWAY
DIVERSION DRAINS AND THE PLACEMENT OF SAND BAGS ACROSS THE ROAD WIDTH TO DIVERT SURFACE FLOWS TO LOCATION AS HIGHLIGHTED ON
TEMPORARY SEDIMENT BASINS. LAYOUT PLAN. SPILLWAY SIZED TO
14. BASINS INLETS SHALL BE PROTECTED FROM EROSION AND SCOUR BY IMPLEMENTING ROCK OR GEOTEXTILE LINED 0.30m ALLOW FOR Q10 FLOWS
EXISTING SURFACE (INDICATIVE)
CHUTES.
1 in 2 MAX
15. A PRIMARY OUTLET/EMERGENCY SPILLWAY SHALL BE IMPLEMENTED ON EACH SEDIMENT BASIN TO ACCOMMODATE A
20-YEAR ARI. 1 in 3 MAX
SAND BAG PROTECTION
16. SEDIMENT BASINS EMERGENCY SPILLWAYS, SPILLWAY CHUTES AND OUTLET CHANNELS FROM THE SEDIMENT BASINS
SHALL BE ADEQUATELY STABILISED AGAINST EROSION/SCOUR AND REMAIN STRUCTURALLY STABLE UP TO AND (SAND BAGS TO BE EMBEDDED 50mm,
AND ARE TO EXTEND 150mm ABOVE
VARIES - 0.50m MIN.
INCLUDING THE A 20-YEAR ARI RAIN EVENT".
THE SURFACE LEVEL OF INLET)
17. ALL BASINS TO BE SURROUNDED BY TEMPORARY SAFETY FENCING AND WARNING SIGNS SHALL BE ERECTED EMBANKMENT CORE ROCK. WELL GRADED,
SURROUNDING THE BASIN AND STEEP, INTERNAL SLOPES SHALL BE AVOIDED. STABILISED SIDEWALLS OF
EXCAVATED TRENCH AS NECESSARY HARD, ANGULAR, EROSION RESISTANT
WITH FILTER CLOTH OR EQUIVALENT ROCK MATERIAL 225mm NOMINAL DIAMETER
AGGREGATE FILTER. PROVIDE 15 T0
EXCAVATED TRENCH
VARIES - 2.00m MIN. 25mm CLEAN AGGREGATE
FIELD INLET PROTECTION SEDIMENT TRENCH WITH ROCK FILTER DAM OUTLET N.T.S.
N.T.S. N.T.S.
N.S.C. REF NO. MCU15/0111 & REC15/0031
DRAWN STATUS SCALE CLIENT PROJECT DRAWING TITLE
REVISION DATE ISSUE DETAILS DRAWN DESIGN
A 21.12.16 ORIGINAL ISSUE HT BF FOR APPROVAL PALM LAKE WORKS PTY LTD PALM LAKE RESORT EROSION AND SEDIMENT
2 NOT FOR CONSTRUCTION STAGE 3
3 1:250 5 0 5 10 A1 CONTROL DETAILS AND NOTES
4 DESIGN APPROVED 1:500 A3 19 TRADING POST ROAD - COOROY
5 ANDREW McPAIL RPEQ 6921 PROJECT No. DRAWING No. REVISION
6 DISCLAIMER
7
C 2015 www.calibreconsulting.co
ALL DIMENSIONS TO BE CHECKED ON SITE BY CONTRACTOR PRIOR TO
CONSTRUCTION. USE WRITTEN DIMENSIONS ONLY, DO NOT SCALE.
16-003302 3204 A
8 FOR & ON BEHALF OF CALIBRE CONSULTING (QLD) PTY LTD
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