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Response to RFI - Council
Attached to the e-mail MCU17/0563 - Response to Information Request.
Attached to the e-mail Complete - Response to Info Request MCU17 0563.msg.
1. GENERAL
(A) TEMPORARY DRAINAGE CONTROL. FLOW SHOULD BE DIVERTED AROUND
THE WORK SITE WHERE POSSIBLE.
ETRES (B) ALL DRAINAGE, EROSION AND SEDIMENT CONTROLS TO BE INSTALLED IN
AT MAX. 2.5 M CENTRES
SELF-SUPPORTING
ID TH 3 M
GEOTEXTILE MIN. W ACCODANCE WITH I E AUST. SOIL EROSION AND SEDIMENT CONTROL
MANUAL, AS DETAILED ON THIS PLAN, OR AS REQUIRED FOR COMPLIANCE
WITH THE REQUIREMENTS OF THE ENVIRONMENTALMANAGEMENT PLAN /
EROSION & SEDIMENT CONTROL PLAN.
(C) ALL DRAINAGE, EROSION AND SEDIMENT CONTROLS TO BE OPERATIONAL
500 MM TO 600 MM DIRECTION OF CONSTRUCTION SITE MIN.
LENG BEFORE COMMENCING UP-SLOPE EARTHWORKS AND SHALL REMAIN IN
FLOW TH 15 PLACE UNTIL PERMANENT WORKS ARE COMPLETE AND CATCHMENT
METR VEGETATION IS ESTABLISHED (60% GRASS COVER MINIMUM)
ES
(D) THE CONTRACTOR IS RESPONSIBLE FOR ENSURING SEDIMENT AND EROSION
CONTROL DEVICES ARE INSPECTED & MAINTAINED AS FOLLOWS
200 MM MIN. (1) DURING CONSTRUCTION & DEFECT LIABILITY PERIOD
600 MM MIN. (i) WEEKLY DURING DRY WEATHER
ON SOIL, 150 MM X 100 MM
DARY (ii) PRIOR TO PREDICTED STORM EVENTS
TRENCH WITH COMPACTED BOUN
ERTY (iii) TWICE DAILY DURING PROLONGEDE RAIN
BACKFILL AND ON ROCK, SET 300 MM MIN. PROP
INTO SURFACE CONCRETE (iv) DURING AND AFTER MAJOR STORM EVENTS
(E) ALL DISTURBED LAND MUST BE TREATED TO PREVENT RAIN DROP IMPACT
EROSION BY THE ESTABLISHMENT OF 60% EFFECTIVE GROUND COVER
SECTION DETAIL WITHIN 28 DAYS OF FINAL EARTHWORKS TRIM.
(F) IN AREAS WHERE RUNOFF TURBIDITY IS TO BE CONTROLLED, EXPOSED
DISTURBED AREA SURFACES TO BE EITHER MULCHED, COVERED WITH EROSION CONTROL
RUNOFF DIRECTED TO BLANKETS OR TURFED IF EARTHWORKS ARE EXPECTED TO BE DELAYED
SEDIMENT TRAP/FENCE FOR MORE THAN 14 DAYS.
DIRECTION OF (G) STRAW BALE SEDIMENT TRAPS ARE A SECONDARY OPTION WHICH
FLOW GENERALLY SHOULD NOT BE USED IF OTHER OPTIONS ARE AVAILABLE.
DGB 20 ROADBASE OR
1.5 M STAR PICKETS
30 MM AGGREGATE 2. SEDIMENT CONTROL FENCE
AT MAX. 2.5 M CENTRES
(A) NOT TO BE LOCATED IN AREAS OF CONCENTRATED FLOW.
(B) NORMALLY LOCATED ALONG THE CONTOUR WITH A MAXIMUM
EXISTING ROADWAY CATCHMENT AREA 0.6 HA PER 100M LENGTH OF FENCE.
GEOTEXTILE FABRIC DESIGNED TO (C) WOVEN FABRICS ARE PREFERRED, NON-WOVEN FABRICS MAY BE USED
PREVENT INTERMIXING OF SUBGRADE ON SMALL WORK SITES, I.E. OPERATIONAL PERIOD LESS THAN 6
AND BASE MATERIALS AND TO MAINTAIN
MONTHS OR ON SITES WHERE SIGNIFICANT SEDIMENT RUNOFF IS NOT
GOOD PROPERTIES OF THE SUB-BASE LAYERS.
EXPECTED.
GEOFABRIC MAY BE A WOVEN OR NEEDLE-PUNCHED
(D) WHERE FENCES NEED TO BE LOCATED ACROSS THE CONTOUR -
REFER IPEAWQ STANDARD DRAWING D-0040 FOR DETAILS.
PRODUCT WITH A MINIMUM CBR
(E) FENCES ARE REQUIRED 2m MIN FROM TOE OF CUT OR FILL BATTERS,
BURST STRENGTH (AS3706.4-90) OF 2500 N
UNDISTURBED AREA WHERE NOT PRACTICAL ONE FENCE CAN BE AT THE TOE WITH A SECOND
FENCE 1M MIN AWAY. FENCE SHOULD NOT BE LOCATED PARALLEL WITH
TOE IF CONCENTRATION OF FLOW WILL OCCUR BEHIND THE FENCE.
3. TEMP CONSTRUCTION ENTRY/EXIT SEDIMENT TRAP.
(A) ADJACENT STORMWATER RUNOFF TO BE DIVERTED AWAY FROM ENTRY/EXIT.
(B) WHEEL - WASH OR SPRAY UNIT MAY BE REQUIRED DURING WET WEATHER.
N.T.S. 4. SAFETY ISSUES MUST BE CONSIDERED AT ALL TIMES, INCORPORATE
CONSTRUCTION NOTES TRAFFIC CONTROL DEVICES TO THE SATISFACTION OF THE
20 M MAX.
SWMP/ESCP) 1. STRIP THE TOPSOIL, LEVEL THE SITE AND COMPACT THE SUBGRADE. SUPERINTENDENT.
OTHERWISE ON
(UNLESS STATED 2. COVER THE AREA WITH NEEDLE-PUNCHED GEOTEXTILE. 5.
IT IS THE CONTRACTOR'S RESPONSIBILITY TO ENSURE THAT ALL SEDIMENT
3. CONSTRUCT A 200 MM THICK PAD OVER THE GEOTEXTILE USING ROAD BASE AND EROSION CONTROL MEASURES HAVE BEEN ADDRESSED AS STIPULATED
FLOW OR 30 MM AGGREGATE. IN THE ENVIRONMENTAL MANAGEMENT PLAN / EROSION & SEDIMENT CONTROL
4. ENSURE THE STRUCTURE IS AT LEAST 15 METRES LONG OR TO BUILDING PLAN. ADDITIONAL CONTROL DEVICES MAY BE REQUIRED DURING CONSTRUCTION
ALIGNMENT AND AT LEAST 3 METRES WIDE. PHASE, AS DIRECTED ON SITE BY THE SUPERINTENDANT.
5. WHERE A SEDIMENT FENCE JOINS ONTO THE STABILISED ACCESS, TEMPORARY 6. STOCKPILES TO HAVE 1:6 SIDE BATTERS (MAXIMUM) AND BE
CONSTRUCT A HUMP IN THE STABILISED ACCESS TO DIVERT WATER TO THE SHAPED TO ENSURE RUN-OFF IS TREATED AND MANAGED TO THE
SEDIMENT FENCE SATISFACTION OF THE SUPERINTENDANT. ALL EXPOSED STOCKPILE
SURFACES TO BE GRASS SEEDED. SEDIMENT FENCES AND CUT-OFF
DRAINS MAY BE REQUIRED, AT THE DISCRETION OF THE SUPERINTENDANT.
MIN. 1.5 M
7. SEDIMENT AND EROSION CONTROL DEVICES (OTHER THAN THOSE ALREADY
STAR PICKETS AT MAXIMUM PLAN SHOWN) ARE TO BE INSTALLED WHERE NECESSARY AND AS DIRECTED BY
2.5 M SPACINGS SUPERINTENDENT
8. SEDIMENT AND EROSION CONTROL DEVICES ON THIS PLAN ARE INDICATIVE
ONLY. IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO ENSURE THAT THE
N.T.S.
INTENTS OF THIS PLAN AND ENVIRONMENTAL MANAGEMENT PLAN ARE COMPLIED
CONSTRUCTION NOTES WITH.
1. CONSTRUCT SEDIMENT FENCES AS CLOSE AS POSSIBLE TO BEING PARALLEL TO THE CONTOURS OF THE RET
SITE, BUT WITH SMALL RETURNS AS SHOWN IN THE DRAWING TO LIMIT THE CATCHMENT AREA OF ANY ONE 5 ME URN T
SECTION. THE CATCHMENT AREA SHOULD BE SMALL ENOUGH TO LIMIT WATER FLOW IF CONCENTRATED AT TRE URF CONSTRUCTION NOTES
ONE POINT TO 50 LITRES PER SECOND IN THE DESIGN STORM EVENT, USUALLY THE 10-YEAR EVENT. S TO STR
PRE IPS E 1. INSTALL A 2 x 400mm MINIMUM WIDE ROLL OF TURF ON THE
2. CUT A 150-MM DEEP TRENCH ALONG THE UPSLOPE LINE OF THE FENCE FOR THE BOTTOM OF THE FABRIC VEN VER
TO BE ENTRENCHED. T SC Y VERGE NEXT TO THE KERB AND AT THE SAME LEVEL AS THE TOP
OUR OF THE KERB.
3. DRIVE 1.5 METRE LONG STAR PICKETS INTO GROUND AT 2.5 METRE INTERVALS (MAX) AT THE DOWNSLOPE
2. LAY 1.4 METRE LONG TURF STRIPS NORMAL TO THE KERB EVERY
EDGE OF THE TRENCH. ENSURE ANY STAR PICKETS ARE FITTED WITH SAFETY CAPS. E TR E
1 M 5 METRES.
4. FIX SELF-SUPPORTING GEOTEXTILE TO THE UPSLOPE SIDE OF THE POSTS ENSURING IT GOES TO THE
BASE OF THE TRENCH. FIX THE GEOTEXTILE WITH WIRE TIES OR AS RECOMMENDED BY THE
MANUFACTURER. ONLY USE GEOTEXTILE SPECIFICALLY PRODUCED FOR SEDIMENT FENCING. THE USE OF
SHADE CLOTH FOR THIS PURPOSE IS NOT SATISFACTORY.
5. JOIN SECTIONS OF FABRIC AT A SUPPORT POST WITH A 150-MM OVERLAP.
6. BACKFILL THE TRENCH OVER THE BASE OF THE FABRIC AND COMPACT IT THOROUGHLY OVER THE
M MIN.
GEOTEXTILE. TUR
F 800 M
KER
B
GUT
T ER
ROA
DW
AY
N.T.S.
360 CIVIL CONSULTING PTY LTD No Date Amendment
Design: J.A.G FOR APPROVAL CLIENT: JOHNSON COLES, JOHNSON, RANDALL & HUSSAIN JOB NUMBER
A 08-03-18 CHANGES AS PER COUNCIL RFI
ABN: 13 609 593 339 Drawn: J.A.G PROJECT: PROPOSED DUPLEX DEVELOPMENT
BEATRICE GIBBERD RPEQ 14557 - DIRECTOR AND PRINCIPAL ENGINEER
2017115
23 OOGAR STREET, MAROOCHYDORE. QLD 4558 Date: 04/11/17
BEATRICE GIBBERD RPEQ 14557 AT: 30-32 COCKLESHELL. NOOSAVILLE
DRAWING No:
Mobile: 0403 862 009 Email: [email protected] Checked: B.G. DATE: 04/11/2017 LOT 11 ON RP138550 & 0 BUP6971
THIS PLAN IS COPY PROTECTED BY 360 CIVIL CONSULTING PTY. LTD.
Datum: A.H.D. Size: A3 TITLE: EROSION & SEDIMENT CONTROL DETAILS PLAN
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