Attachment C - Stormwater Mangement plan

 

 

 

 

 

 

 

 

Site 506m?
Roof 250m?
Driveway 29 m?
Landscape 227 mm
New impervious 279m?

 

 

 

CATCHMENT AREAS

Li on ee ee eee eee 600sq ELEVATED, HINGED: STANDARD #1050 PRECAST CONCRETE
| SURCHARGE GRATE RETENTION & INFILTRATION CHAMBER TYPE
IL8.000 ROCLA OR EQUIVALENT SL8.000

 

 

 

 

 

LJ
NOTES ROOF DRAINAGE: | : fs

(y 1. NO BOX GUTTERS ARE PERMITTED
2. DESIGN EVENT FOR ROOF DRAINAGE IS Q20 | 150 * ~

3. DISCHARGE ALL DOWN PIPES TO INFILTRATION - %1050 o :

CHAMBER IL7.600 | Le

4. ROOF DRAINAGE BY CONTRACTOR | : |

 

 

 

 

  

 

T
Co
1500

 

M FE

ceotextile 7A

S
|
1800

ED AL

 

MH Powpy
Co

 

RL6.500

aN

 

 

 

 

7
|

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W : J =€-6.1 0-6-6
IL6.200
mm SOBOS t | DSOSOd
S NAY NY NY NYY
—_____NATURAL, SANDY SOIL
THIS PART OF THE CHAMBER IS
O OPERATING THE SILT TRAP AND SHALL
. BE SUBJECT TO REGULAR CLEAN OUT,
CRAVE AND ROCKS MINIMUM YEARLY OR AFTER MAJOR
4 RAIN EVENTS.

@225 SLOTTED uPVC,
WRAPPED IN GEO TEXTILE

 

—
AND EXTEND INTO SOIL
CL ROOF PLAN 1:100 BELOW
STORMWATER ON SITE SILT

TRAP /INFILTRATION AND
SURCHARGE CHAMBER

SHORT: INFILTRATION
CHAMBER) Drm

SIGNED BY THE PRINCIPAL AND
‘SENIOR DESIGN ENGINEER
DR.—ING. REINHOLD KOENNING
MSC, PHD, MEAUST, AHSCA

DATE AS PER TITLE BLOCK

DISCLAIMER — ENSURE ORIGINAL SIZE DRAWING IS USED
FOR ASSESSMENT, TENDERING AND CONSTRUCTION.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
  
   
  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

    
    
    

 

 

 

 

 

 

 

     
    
  
  
  

 

 

 

 

 

 

 

 

 

 

 

 

 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

   
  
  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
 

 

 

 

 

 

 

 

 

 

 

I
| 9150uPVC CAPPED STUB FOR Gl
ij CONNECTION OF ROOF DRAINAGE. Amd Description Date
LOCATION TO BE DTERMINED /
no DURING CONSTRUCTION. ROOF 7 ;
| DRAINAGE BY OTHERS. obvert
i depth at bdy
\ yi ise ae eR oo eo ae eo
I RL.13.81 _ 3
| K ee NY
iy Ri TE PRIVACY | I
| WW —— A YZ Zp 9 JETT Out's aX jj
I ul wauvay a80ve . K 4oeck, # 150uPVC | 80.8 7 XS - A | NEW ARCH LAYOUT; D’°WAY AND CHAMBER REVISED [26-03-21
| | wa f — : | Issue Notes Date
I em -
eo Kb BED 2 || BATH sTuby ¢150uPVC ! For Development Approval
|| no L ST X 3.2 “us P+ x 220 He SSX 4G zon us | s8.8 JA bh For Building Approval 16-02-21
oo > TILES
| ie DECK | oe For Tender x 16-02-21
MAINTAIN UNOBSTRUCTED concosne me XEX AL. 8.42 I | For Construction x 16-02-21
OVERLAND FLOW PATH AT ware 12 a. any ad
ALL TIMES. SHAPE WESTERN Yi oo | || [ As Constructed
FRONTAGE TO FALL TO ose ae J |
OVERLAND ELOW. ete THE cro. 1s e | lI NOTES STORMWATER DRAINAGE:
a (STORAGE 3 |
NORA BOUNDARIES. YENCES SZ 4 YZ | ij 1. ALL IN GROUND PIPES ARE DESIGNED TO OPERATE AT Q100
. RL12.50 Ss I| EVENT LEVEL .
CROSSING THE OVERLAND seieze & meee 3 » - 3 NO 7 | 2. 1%ARI (Q100) TOTAL RUNOFF FROM HARDSTAND AND ROOF Hyd raulic wt
®& q 0 150uPVveexX RL 851 | CATCHMENT AREAS |S: Q=25L/sec '
FLOW PATH SHALL HAVE A I = | a ez, ezza u i
MINIMUM OF SOmm z STORAGE ROSE: ROBE | [| |
GROUND. Powe a ee moeiy 88 7 contact: Reinhold Koenning MigAust AHSCA
o oo t US’
. cor ETE RAMP © m | ,
lI 9 3 BED 3 ques | PO Box 181
I < : GARAGE $150uPVC CAPPED $fUB| FOR—\ |
|| RL12.62 z altos 48 RL.10.55 9 57%58 CONNECTION OF ROdf DRAINAGE. Yo nek RL 8.03 ij Moai! Oecthydcon
PROVIDE A CROSSFALL x CONCRETE LAUNDRY LOGATION TO BE [DTERMINEI XEX RL. 8/72 : 0 1
OF MINIMUM 1:50(2%) 9150uPVC CAPPED STUB FOR— 2.0 4.6 DURING! CONSTRUCTION. Roo L_| | wexreese ot | PH: 0400 886 812
ON CONCRETE DRIVEWAY I CONNECTION OF ROOF DRAINAGE. THES DRAINAGE BY OTHERS! 1] | : | CLIENT :
, LOCATION TO BE DTERMINED ad
NOTE: 15 _ DURING CONSTRUCTION. ROOF ENSUITE TD (A, | | a MAINTAIN 3m MINIMUM R & G BROADHURST
REFER TO STRUCTURAL ~ I DRAINAGE BY OTHERS. L 43X17 7 xEYRL 8.02 Vg, |) By DISTANCE BETWEEN
ENGINEERS pea AND aa E \a ms 7 | | i INFILTRATION CHAMBER DESIGN BY:
‘AWIN: Fe IVEWAY RL.12.30 RL.12.05 RL.10.453 ie a z AND SEWER
LAYOUT. WE CAN NOT ACCEPT e150uPVCN. | Zk WL ZA WL WY i | xex re 7.93 /)) J Ne /NDRSN J
ANY DRIVEWAY LAYOUT WHICH g a d
DOES NOT COMPRISE THE TRAFFICABLE, LINEAL Lf \ ge (erosect: 32 PLOVER STREET ‘
REQUESTED CROSS FALLS. THE 5 PEREGIAN BEACH
DRAIN CHANNEL TYPE — fa — — A
PG TO TOE BOUNDAR US ACO200 WITH INTERNAL \ PRIVATE RESIDENCE
PARAMOUNT AND SO IS THE FALL TO OUTLET xEX RL12-00 eX RNS ee ee ee ex N58 dx A x3x DRAWING TITLE:
50mm STEP UP TO THE FFL OF Cl” 8 ;
THE GARAGE SLAB. WE HAVE  150uPVC @ 150uPVC @ 150uPVC GL 7.80
PROVIDED INDICATIVE SPOT yn eo oe \
LEVELS, WHICH MAY SLIGHTLY BE IL 6.38 |j
CORRECTED BY THE STRUCTURAL ON SITE RETENTION, obvert 6.55 I STORMWATER
ENGINEER. INFILTRATION AND aE ee DRAINAGE
tt SURCHARGE CHAMBER AS len th at bdy /.25 i
i PER DETAILED DESIGN re , ij & MANAGEMENT
ii uf PLAN
| |
Design| RH.| Checked] @h | Date | 16—02—21 | Dwg. No. AMD.
SITEZGROUND PLAN 1:100 3582-2 A
\. scale: 1: 100 ON At UN.O.| 2 Of 2 J
RPD:— LOT 9 P 9313