SCG 31131-OPW-2022.05.19-Issue 2.pdf

                  Issue:




                                           Unit 1/11 Project Ave,
                                           Noosa Heads
                                           Ph (07) 5455 5604




                  DEBUILD T/A
                                           email:[email protected]
                                           web:www.scg-engineers.com
                                           ABN 40 098 481 899




                      Title:




                     Project




                     Date:       Drawn                Design

                      Checked:   Drg No.                        Rev.




Rev. - 10.06.16


[OCR of page images]
 

 

DRAWING SIZE — At

 

www.dialbeforeyoudig.com.au

SAY DIAL1100

yy BEFORE YOU DIG

 

  

 

 

 

900(W) GEO-FABRIC SILT FENCE,
FIXED TO SPIKES AND BURIED ——-
300 INTO STABLE GROUND.

 
   
  
 

SILT

 

IS TO

1200(L) 50 SQ. HDWD
SPIKES, 1800 CTRS DRIVE
600 INTO GROUND.

 

RETENTION

THE CONTRACTOR IS TO INSTALL APPROVED
SILT RETENTION FENCES PRIOR TO
COMMENCING ANY EARTHWORKS. THE FENCE

BE CONSTRUCTED ALONG THE

LOWEST BOUNDARY AND RETURNED UP SIDE
BOUNDARIES TO ENSURE FULL STORMWATER
ENTRAPMENT. SURFACE RUNOFF FROM
WITHIN THE ALLLOTMENT MUST DRAIN
TOWARDS THE FENCE AND SHALL NOT
ENTER NIEGHBOURING ALLOTMENTS

THROUGH THE USE OF SURFACE BUNDING

SILT FENCE DETAIL OR SCOUR PROTECTED DRAINS. THE FENCE

MUST
THAT

REMAIN IN PLACE UNTIL SUCH TIME
FINISHED LANDSCAPING AND

DRAINAGE MEASURES ARE INSTALLED.

   

EXISTING STORMWATER
INLET

PROVIDE SILT FENCE AROUND
INLET AS PER DETAIL ON THIS
SHEET.

PROTECTION OF EXISTING STORMWATER PITS

SILT/SEDIMENT BASIN MANAGEMENT

—The site foreman shall monitor and maintain the silt basin
throughout the works.

—Any trapped silt after storm events should be removed and the
protection measures maintained/reinstated to as built condition.

— The geofabric blanket should be removed and replaced after
substantial storm events.

— Trapped/detained silt laden stormwater can be flocculated with an
approved flocculating agent.

— Any breaching or overflow incidents should be reported immediately
to the Civil Engineer

RAISE EXISTING PIT INFLOW LEVEL
IF REQUIRED TO ACHIEVE
SETTLING DEPTHS, PROVIDE SILT
FENCE SURROUND

SLOTTED PIPES AS
NOTED ON PLAN, SINGLE
CONNECTION POINT T
EXISTING SW PIT

 
 

DETENTION BASIN
PERIMETER BLOCKWALLS

CONSTRUCTED FIRST TO
ESTABLISH THE
SEDIMENT BASIN

GEOFABRIC_BLANKET

A34 BIDIM NON-WOVEN

Flow Rate @ 100mm head : 165Lt/m?/s
Pore Size : 75 Microns

Inflow Capacity @ 80m? ; 1300Lt/s
(GEOF ABRICS.COM.AU)

BASIN OUTFLOW CAPACITY
Bidim Capacity @ 80m? ; 1300Lt/s
225¢ PIPE ; 50-60Lt/s

SEDIMENT SETTLING POND MIN 80m” PLAN AREA
20-40mm GRAVEL OVERLAYING THE SLOTTED
PIPES, OVERLAY GRAVEL WITH GEOFABRIC BLANKET,
EXTEND UP EDGE BERMS & PIN TO GROUND,
BUILDER TO REPLACE GEOFABRIC AND REMOVE
CAPTURED SILT AFTER STORM EVENTS OR AS
REQUIRED.

   
  
  

SEDIMENT

 

 

 

 

SETTLING ZONE.

    
 

PROVIDE GAPS IN BLOCK
WALLS TO ALLOW
INFLOW INTO BASIN

 

 

 

 

ones

 

 

 

OUTFLOW FROM PIPES
DIRECTED TOWARDS
EXISTING SWALE DRAIN

TYPICAL SECTION SILT/SEDIMENT BASIN

COIR LOGS STAKED ACROSS SWALE/DRAIN AND
EXTENDED BACK UP FLANKS TO RESTRICT FLOW
AROUND DAM EDGES. BUILDER TO ADJUST EXTENT
OR Ht OF DAM IF FLOW AROUND OCCURS. PROVIDE
LOOSE COBBLES ACROSS UPSTREAM EDGE OF LOG
TO AVOID UNDER FLOW

 

   
 

yyw
EXTEND BACK UP FLANKS ff ,
TO RESTRICT FLOW PROPOSED SWALE

AROUND DAM EDGES. voy OR TABLE DRAIN

COIR LOG CHECK DAM DETAIL

 
  
  

EXISTING SIDE ENTRY SILT FILTER SOCK TO
PIT OR SIMILIAR SURROUND GRATES AND
GRATED PIT SIDE ENTRY INTO PIT

KERB & CHANNEL

SILT FILTER SOCK DETAIL — STAND UP KERB

COMPACTED SOIL BUND TO
MINIMUM DIMENSIONS NOTED,
COVER IN BUILDERS PLASTIC
AND PIN SECURELY TO
GROUND

  

a

SURFACE BUNDING DETAIL

PROVIDE CHECK DAMS AS

1000mm MIN DETAILED
2
SY |
™——™ ON
“NNT [~~

TYPICAL SECTION CUTOFF SWALE

MAINTENANCE OF SILT PROTECTION

SITE FOREMAN TO MAINTAIN ALL SILT AND SEDIMENT PROTECTION
MEASURES THROUGHOUT THE DURATION OF THE PROJECT. ANY
BREACHING OF THE PROTECTION MEASURES MUST BE REMEDIATED
IMMEDIATELY AND REPORTED TO THE ENGINEER FOR CORRECTION
MEASURES. SILT RUNOFF PROTECTION IS TO BE MAINTAINED UNTIL
SUCH POINT THAT LANDSCAPING IS COMPLETED AND NOT
SUSCEPTABLE TO STORMWATER SCOUR.

DUST MOBILISATION FROM WIND ACTION
SITE CONTROL TO INCLUDE PROTECTION AGAINST THE CARRIAGE OF
SOIL SEDIMENT FROM WIND ACTIONS. SITE FOREMAN TO COVER ALL
STOCKPILES WITH HESION OR SIMILIAR, PROVIDE SILT FENCING
AROUND BASE OF STOCKPILES

    

SITE DRAINAGE — CONSTRUCTION
ENSURE GROUND PROFILE DURING CONSTRUCTION FALLS
TOWARDS THE CENTRE OF THE ALLOTMENT THEN TOWARDS
THE REAR BOUNDARY WHERE RUNOFF WILL DRAIN THROUGH
THE SILT POND & SILT FENCES. IN NO INSTANCE SHALL
THE ALLOTMENT DRAIN INTO NEIGHBOURING ALLOTMENTS.

 

 

SITE DRAINAGE — CONSTRUCTION

CONSTRUCTED STORM WATER PITS WITHIN THE SITE
ARE TO BE COVERED UNTIL THE SITE IS COMPLETED
OR TO BE FITTED WITH SILT PROTECTION MEASURES
TO THE APPROVAL OF THE ENGINEER

 

 

 

 

Revision | Description Date

“FOR APPROVAL
DO NOT SCALE FROM THIS DRAWING

The design and associated details contained on this and associated
drawings are copyright and are not to be used or reproduced without
the written permission of SCG Consulting Engineers.

aN Unit 1/11 Project Ave,
Noosa Heads
Ph (07) 5455 5604

 

 

 

 

 

email:[email protected]

web:www.scg-engineers.com
ABN 40 098 481 299

DEBUILD T/A

 

Title:

SILT AND SEDIMENT
CONTROL MEASURES

 

 

 

 

 

89-93 Eumundi Noosa Rd,
NOOSAVILLE
Date: Apri 22 Drawn SR Design SR

1:200 @ AI §
nae F111 400 @ AS |S Rehodon |) | 01131 -OW2.2