Stormwater Management Plan

00mm

 

NOTES:

* DONOT SCALE THIS DRAWING TAKE FIGURED DIMENSIONS ONLY
« ALL DIMENSIONS IN METERS UNLESS NOTED OTHERWISE

FILTRATION LAYER:

1. MATERIAL TO CONSIST OF SANDY LOAM OR EQUIVALENT
MATERIAL.

2. MATERIAL TO HAVE 5% - 10% ORGANIC CONTENT IN
ACCORDANCE WITH AS12894.1.1

3. MATERIAL TO HAVE AN AVERAGE PARTICLE SIZE (D50) OF 0.45mm.

4. SATURATED HYDRAULIC CONDUCTIVITY BETWEEN 50 - 200mm/hr
DETERMINED IN ACCORDANCE WITH AS 4419 -1998 APPENDIX H
SOIL PERMEABILITY.

5. pH BETWEEN 6&7.

6. DEPTH TO BE 800mm OR GREATER FOR TREE PLANTING.

TRANSITION LAYER:
1. MATERIAL TO CONSIST OF SAND/COURSE SAND MATERIAL.
2. TYPICAL PARTICLE SIZE DISTRIBUTION

 

 

 

 

 

 

 

 

 

  

 

aus ——

  

 

 

 

 

1x @110 MID FLOW OUTLET
PIPE SET AT RL 9.63
1x @150 HIGH FLOW OUTLET
PIPE SET AT RL 9.95

  

RETAINING WALL SURROUNDING BASIN TO
BE SET TO A MINIMUM HEIGHT OF RL 10.40

 

  
   
 
   
   
    

 

 

 

 

 

 

 

 

 

 

 

 

 
 
 
 
 
 
 
   
   

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

     
  

 

 

 

 

 

 

   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

% PASSING: 1.4mm 100%
4.0mm 80%
0.7mm 44%
0.5mm 08%
DRAINAGE LAYER
1, MATERIAL TO CONSIST OF 2- 5mm GRAVEL.
PERFORATED PIPE: DETENTION BASIN PARAMETERS
1, MINIMUM GRADE OF 0.5%
2. MAXIMUM SPACING * 1.5m CENTRE FOR BASINS < 100m? DETENTION BASIN SURFACE AREA 100m?
* 2.5m CENTRE FOR BASINS > 100m? DETENTION DEPTH 1.26m
CONSTRUCTION PHASE: OUTLET ORIFICE DIAMETER oom
1. COVER FILTRATION LAYER WITH GEOTEXTILE, 50mm TOPSOIL & x (AT FIELD INLET INVERT RL 8.14)
TURF STRIPS PERPENDICULAR TO FLOW. FH FF / OUTLET PIPE DIAMETER 300mm
2. GEOTEXTILE TO BE REMOVED ONLY WHEN UPSTREAM SEDIMENT —swo swo swo swp swo swo swo
LOADS ARE CONTROLLED. 80m? ADDITIONAL DETENTION Lo iG FLOW OUTLET FE =
ym
20m? BIORETENTION BASIN. - 140mm
LEGEND: BIORETENTION SURFACE AT AREA ATRL 9.14 (THROUGH RETAINING WALL AT RL 9.63)
——— ATRL 884 HIGH FLOW PIPE 450
FILTRATION LAYER, DEPTH = 400mm L (THROUGH RETAINING WALL AT RL 9.95) mm
ZZ) TRANSITION LAYER, DEPTH = 100mm MINIMUM RETAINING TOP OF RETAINING WALL HEIGHT | RL 10.40m
DRAINAGE LAYER, DEPTH = 200mm
wzt040 wzt0408 z 10.40
API »
lt FIELD INLET, VEGETATION TO LANDSCAPE PROVIDE CAPPED max DETENTION Ae si OS E
FORHIGHFLOW ARCHITECT'S SPECIFICATION INSPECTION OPENING 2m ns”
Ys
BIO PONDING LEVEL RL9.14m —— COTE AREA oer
BIO PONDING DEPTH (0.3m) ws
oe WATERSURFACELEVEL =| a 9.14 SK
S ~ IIIS
A R rw RSISRERERE RRR RRR RRR RR SK Y, Ze BES RX
RRR” KAW
4 IS y WK
" SY ~ SK
REPORT ISSUE asietaiess ee es ae : nese eS
J a CLL LL YE 100mm DIA MAX PIPE, VERTICAL S
NOT FOR CONSTRUCTION . oe Ik __ SECTION NOT PERFORATED z
A CARR RRRRRR aw” §
LISS SS) p 100mm DIA MAX, HORIZONTAL PIPE IS KA
RNARRRRL 05m TO BE PERFORATED, WITH 0.5% FALL 9 18.7m SS
CONTRACTOR TO CONFIRM AND Soyer v
TS x
LOCATE ALL EXISTING SERVICES PRIOR 210 ORIFICE ON SECTION
9300 OUTLET PIPE
| TO COMMENCEMENT OF WORKS N
| Rev.] Date | Revision Detas Din | Apo e Builders Name Client Name Project Details ew c Signed Date Scale: [SrertSe* Al
. Project Number
2 @ @ Odyssey Consulting Group Deswres) Sores Dae K4277
6 Structural and Civil Engineers GOOD SHEPHERD PROPOSED CARPARK STORMWATER DETENTION | AvP
. cine Cnetigcon —_saveiowami a LUTHERAN COLLEGE 115 EUMUNDI ROAD AND BIORETENTION DETAILS [amas Da
4 {3 Vony Powe Vat Lles 0427 or oikenaitngeonas NOOSAVILLE AT
20 B04 tien Ge Ena psoas! Ganon Ror
. Sond tora Teal) Spd cz
aa er a RT Raa RS TE i
A_| 14-03-18 _| ISSUED FOR REPORT DKC | AT fesrted foe term sd ect or ated rane win YSee1 Coin rsp Potro A

 

 

 

 

 

  
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ZAK4277\Preliminary\ DWG\K4277-PO10-A dwg, 14/03/2018 10:31:08 AM, DaleC, PDF995