Engineering drawings [As Published] · 132007.2398

 

EROSION AND SEDIMENT CONTROL NOTATIONS

1, WHERE IT IS REQUIRED TO SLASH EXISTING VEGETATION EITHER PRIOR TO THE
COMMENCEMENT OF WORKS, DURING THE CONSTRUCTION WORKS AND / OR DURING
THE MAINTENANCE PERIOD, SAID VEGETATION SHALL BE SLASHED TO A MINIMUM
HEIGHT OF 75mm TO ASSIST WITH THE RETENTION QF SOILS ON SITE (IE ASSIST IN

 

NOTES

 

1.

THE CONTRACTOR IS TO TAKE ALL NECESSARY PRECAUTIONS TO CONTROL
EROSION AND DOWNSTREAM SEDIMENTATION DURING ALL STAGES OF
CONSTRUCTION INCLUDING THE MAINTENANCE PERIOD.

ALL SEDIMENT CONTROL DEVICES SHALL BE MONITORED, CLEANED AND/OR

     
  
 

  
  
 
 

 

    
  

   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

   
 

 

 

 

 

THE PREVENTION OF EROSION). REPAIRED WHENEVER THE ACCUMULATED SEDIMENT REDUCES THE CAPACITY N
BY 50%,
2. WHERE THE EXISTING VEGETATION WITHIN THE PROPOSED LOTS AND / OR 3. ALL PERIMETER BANK/SWALE SHALL HAVE UNINTERUPTED POSITIVE GRADE |
PARKLAND IS DISTURBED AS A RESULT OF THE CONSTRUCTION WORKS, SAID TO AN OUTLET.
EARTHWORKS ARE TO BE TOPSOILED AND GRASS SEEDED WITHIN SEVEN (7) DAYS OF
4. AT ALL TIMES THE CONTRACTOR SHALL MONITOR THE PREVAILING WEATHER
FINAL: ALLUDES; EARTHWORKS,’ UNLESS/ WOTED) OTHERWISE: CONDITIONS AND PROTECT ANY DOWNSTREAM CONSTRUCTION AND GULLY INLETS.
3. ALL CONSTRUCTION VEHICLES ARE TO ACCESS THE SITE VIA A SINGLE POINT OF 5. INLETS TO HAVE SILT PROTECTION IN ACCORDANCE WITH KERB INLET PROTECTION
ACCESS; THE POINT OF ACCESS, TOGETHER WITH THE MEASURES TO BE IMPLEMENTED, _ DETAIL AT LOCATIONS SHOWN OR AS DIRECTED BY THE ENGINEER.
ARE TO BE AGREED WITH COUNCIL'S DESIGNATED REPRESENTATIVE ON SITE, THE 6. THE EXTENT OF GRASSING SHALL BE DETERMINED BY THE ENGINEER
PRINCIPLE AIM OF THE MEASURE(S} TO BE IMPLEMENTED IS / ARE TO LIMIT THE AND SHALL BE SEEDED, AS SPECIFIED, WITHIN SEVEN DAYS OF FINAL TRIMMING.
TRACKING OF DELETERIOUS MATERIALS ONTO THE SURROUNDING ROAD NETWORK. 7. EXTRA EROSION CONTROLS ARE TO BE ERECTED AS ORDERED BY THE
‘SUPERINTENDENT.
4, PROVIDE GULLY INLET PROTECTION TO ALL GULLY INLET STRUCTURES LOCATED,
8, CLEARING OF SITE AND STOCK PILE AREAS TO BE AS DIRECTED BY THE
DIRECTLY DOWNSTREAM OF THE PROPOSED DEVELOPMENT WORKS. SUPERVISING ENGINEER.
5. APPROPRIATE PROVISIONS ARE TO BE PROVIDED TO THE INTERFACE BETWEEN THE 9. ALL ROGFWATER AND SEWER TRENCHES ADJACENT TO EXISTING DEVELOPMENT ARE
EXISTING ROADWAY PAVEMENTS AND THE NEW ROADWORKS’ CONSTRUCTION. THE TO BE TOPSOILED (75mm MIN.) AND TURFED FOR A MIN. WIDTH OF 900mm.
PROVISIONS SHALL ADDRESS WORKPLACE HEALTH AND SAFETY CONCERNS (ILE 10. WHERE POSSIBLE THE CONTRACTOR SHALL DIVERT CLEAN WATER ENTERING THE SITE
RESTRICTING ACCESS BY THE GENERAL PUBLIC TO THE SITE). FROM EXTERNAL CATCHMENT AND DIRECTED TO THE STORMWATERSYSTEM. REMOVE FABRIC BETWEEN
THIS DISCHARGE POINT SHOULD BE ROCK LINED. REGULAR ROCK CHECK DAMS STEEL PICKET IN SAGS
6. THE LOCATION OF THE CONSTRUCTION VEHICLE COMPOUND, SITE OFFICE AND THE SHOULD BE POSITIONED ALONG THE VEGETATE DRAINAGE LINE LEADING TO THIS
VEHICLE SERVICING AREA SHALL BE AGREED WITH COUNCIL'S DESIGNATED DISCHARGE POINT.
REPRESENTATIVE ON SITE, PRIOR TO THE COMMENCEMENT OF WORKS. 11. REGULAR INSPECTIONS AND MAINTENANCE OF VEHICLE WASHDOWN AREA, SITE
AND STORAGE COMPOUND TO BE CARRIED OUT BY CONTRACTOR.
7. CLEARED VEGETATION TO NOT BE BURNED ON SITE, ALL VEGETATIVE WASTE(S) M
SHALL BE MULCHED AND THEREARTER RETAINED ON SITE FOR USE AS PART OF THE 12. AREAS USED FOR STORAGE OF CHEMICALS USED FOR CONSTRUCTION PURPOSES SHALL
LANDSCAPING / REVEGETATION WORKS. ALL STUMPS AND / OR OTHER ORGANIC HAVE STORMWATER CONTROL DEVICE ERECTED ADJACENT TO THEM (IE. EARTH BUND
MATTER NOT SUITABLE FOR MULCHING SHALL BE DISPOSED OF AT AN APPROVED AND SEDIMENT FENCES). UPON COMPLETION OF ROADWORKS WASTE PRODUCTS ARE TO SAND BAGS BOTH SIDES
WASTE DISPOSAL FACILITY. BE DISPOSED OF AS PER LOCAL AUTHORITY GUIDELINES AND TEMPORARY DEVICES MESH OR GEOFABRIC OF OVERFLOW PATH
8, SILT FENCE AND TURFING RUNNING DOWNSLOPES SHALL HAVE REGULAR FLOW ARE TO BE REMOVED AND AREA REHABLITATED. pean OEND Tol BACK fOr
DISSIPATERS TO SLOPE AT 45° TO SLOPE AS DIRECTED CONSISTING OF SAND BAGS erpuce East PAVEMENT, BOX
OR, SIAEAR! ASTREGUIRED. SPILL_THROUGH WEIR DETAIL
9. NOTWITHSTANDING THE DESIGN SHOWN ON THE DRAWINGS THE CONTRACTOR IS INSTALL AT ALL SAG POINTS IN SILT FENCES
RESPONSIBLE TO IMPLEMENT SEDIMENT CONTROL DEVICES USING BEST PRACTICES IN
ACCORDANCE WITH THE RELEVANT STANDARDS AND GUIDELINES AS NECESSARY TO
MINIMISE THE QUANTITY OF SEDIMENT LEAVING THE SITE.
10. DURING THE CONSTRUCTION PROCESS INCLUDING THAT PERIOD DURING WHICH
THE WORKS ARE “ON MAINTENANCE’ SHOULD COUNCIL'S DESIGNATED
REPRESENTATIVE REQUEST ADDITIONAL EROSION AND SEDIMENT CONTROL
MEASURES BE IMPLEMENTED SAID MEASURES SHALL BE IMPLEMENTED AT THE
EARLIEST TIME POSSIBLE. NOTWITHSTANDING THE ABOVE REQUIREMENT ANY
MEASURES REQUESTED TO BE IMPLEMENTED BY COUNCIL'S DESIGNATED
REPRESENTATIVE SHALL BE IMPLEMENTED WITHIN 24 HOURS OF THE TIME OF
THE REQUEST.
11. ALL ROOFWATER / SEWER RETICULATION TRENCHES EITHER ADJACENT TO EXISTING
DEVELOPMENT OR PERPENDICULAR TO THE CROSSFALL OF THE LAND ARE TO BE TOPSOILED
(75MM MINIMUM) AND TURFED. SEDIMENT CONTROL FABRIC TO POSTS AT 2.0M CTRS
BE ‘ENVIROSITE' PRINTED SILT FENCE / TO BE STEEL PICKET
TOP EDGE TO BE SUITABLY OR 50 X SO HARDWOOD
GRATE 10 (BES GECRABRIC SUPPORTED BETWEEN POSTS.
3
&
a
SPACER BLOCK =
s
ROLL OF NETTING FILLED
WITH 50 TO 70mm GRAVEL. oS :
200 X 200 a
KERB INLET PROTECTOR TRENCH
NTS SILT FENCE DETAIL
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