Attachment C - Stmwater Man Plan · MCU15/0016

 

 

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PROVIDE EVEN 1% GRADING (1:100) ALONG
ENTIRE GRIVEWAY AND DISCHARGE SHEET
FLOW TO TOP OF BIO RETENTION SYSTEM

EASEMENT
SL4.56 EMT A
1L3.250 7.569
—7— §
PANT OA
OES) NAS S00
rT Y FL5.050 — g 7 Me 36
PARKIN
vious paving BINS = /j \) A
ACCESS HATCH 937 ahT
REFER TO L3.35)
LUNCH AREA FFLS.1 10 11 12 13 14 15 17 18 19 20 MANUFACTURER \ 23 24
@ @

=>

 

 

  

 

 

 

 

 

 

eT

PROVIDE ON SITE STORAGE

 

 

 

 

 

 

 

 

 

 

 

pervious paving

 

YW

BICYCLE PARKING

 

 

 

 

i 3

QUOTE BAYS

 

 

 

 

 

  
 
  
 
 
 
 
 
 
  

 

 

 

 

 

 

 

 

 

CHECK LEVELS AND PROVIDE CHANGED LEVELS WITH
1% GRADING AT INVERT.

REMOVE PLANTS WHICH MAY NOT BE APPROPIATE.
COORDINATE PLANTS WITH LANDSCAPE ARCHITECT
AND PRINCIPAL ARCHITECT.

  
   
    
  

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I

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EXISTING BIO RETENTION SYSTEM SUBJECT TO
/ REFURBISHMENT:
1. VEGETATION CAN BE RE-USED WHERE APPROPIATE.
CONFIRM WITH LANDSCAPE ARCHITECT.
2. REMOVE ALL 3 LAYERS AND EXPOSE SUBDRAINAGE
3. RE-ARRANGE SUBDRAINAGE AS PER DETAIL.
SLOTTED PIPES CAN BE RE-USED IF THEY ARE
FABRICATED SLOTS.
4. CONSTRUCT NEW OVERFLOW AND BYPASS CHAMBER
AND JOIN SUBDRAINAGE TO CHAMBER.

  
 
 
   

peopoet FEN MICATION. 514.528” 937 5. PROVIDE NEW SEALED WRAPPING SURROUND ALL
oO WALLS AS PER DETAIL.
T T T T T TH T SeLOW SEAR WH ane TANKS 6. PLACE NEW SLEEPER RETAINING WALLS WHERE
bin REQUIRED
EFFECTIVE STORAGE VOLUME 7. FILL LAYERS AS PER PLAN WITH NEW FILTER-,
OF TOTAL 14,000L TRANSITION— AND DRAINAGE MATERIALS.
nea TANK ASSEMBLEY bin 8. CONSTRUCT INFLOW PIPES AND OUTFLOW PIPES AS
. PER DETAILED DESIGN
TANK MANUFACTURER 9. CONSTRUCT SUFFICIENT ROCK FOREBAY FOR SCOUR
AUSTRALIANTANKS bin PROTECTION.
(www.australiantanks.com.au) /
PROVIDE APPROVED FLAP VALVE AND / /
min 2sqm ROCK FOREBAY FOR
%300 FROM ROOF DRAINAGE TO ——-T7 SCOUR PROTECTION AND VELOCITY
DISCHARGE ON TOP OF BIO _ (tpe00e0 CONCRETE SLAB WITH
RETENTION SYSTEM. FOR DETAILS Ss / EMBEDDED COARSE ROCKS OF
REFER TO BA DESIGN PLANS DIFFERENT SIZES CAN BE USED
of) J
-©- FFLS.100 Hore
L a L | 1 whe
—) l
7 MINIMUM FINISHED
“ FFLS.050 OFFICE RECEPTION SLAB LEVEL
6 uP
1 REQUIRED:
DISPLAY AREA
. ee FFL5.100
= 7
PARKING

Z

XISTING SWALE TO BE SUBJECT TO REFURBISHMENT.

 

PARKING

LUNCH AREA,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PARKING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BICYCLE PARKNG

 

FLOW (LITRES/SEC.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60 —-—-— NO RETENTION
50 WITH RETENTION
7 ~
40
7 ~N
30
™N

7 eal nN |
9 T T T ! ! T

2 4 6 8 10 12 14 16 18

TIME (MINS.)

STORMWATER HYDROGRAPH THROUGH PROPOSED MITIGATION TANK
PEAK FLOW MITIGATION THROUGH ON SITE RETENTION TANK

TOTAL PROPOSED TANK VOLUME:
TANK FOR RETENTION:

14,000 LITRES

NOTE: THE PEAK FLOW MITIGATION PROVIDED BY 16,000 LITRES RETENTION VOLUME
ON THE BIO RETENTION SYSTEM HAS NOT BEEN USED AS PART OF THE

CALCULATIONS.

RUNOFF & DETENTION CALCULATIONS:
SITE AREA:

NEW IMPERVIOUS AREA:

ROOF CATCHMENT TO TANK:

MAX INFLOW TO TANK AT DESIGN Q20:

MAXIMUM EVENT:
TIME OF CONCENTRATION:
INTENSITY:

PRE DEVELOPMENT PEAK RUNOFF:
PEAK RUNOFF POST DEVELOPMENT:
REDUCTION REQUIRED:

RETENTION VOLUME REQUIRED:
RETENTION VOLUME PROVIDED:

REDUCTION PROVIDED:

ACCESS
EASEMENT

FTP yp

  
   
   
  

CATCHMENT AREAS[sqm]:

SITE: 3335
ROOF: 1800
HARDSTAND: 1155

LANDSCAPING: 380

3335sqm
2872sqm
min900sqm
60L/sec
Q100

Smin
326mm/hr

266L/s
297L/s (NO RETENTION)
31L/sec

12,000 LITRE
14,000 LITRE

34L/s

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[Amd Description Date
Issue Notes Date

For Development Approval] X 20-05-15

For Building Approval

For Tender

For Construction

IAs Constructed

 

pan

 

Hydraulic 3:

 

 

 

 

 

 

 

 

 

 

 

 

 

\-
CONTACT: Reinhold Koenning MiEAust RPEQ No 7023
Moffat Beach, QLD, 4551 AHSCA
email: [email protected]
PH: (07) 5491 4333 FX: (07) 5491 4233
CLIENT :
| & L KIPPEN
ARCHITECT :
LL IAN GORTON DESIGN J
(PRosect: 73 RENE STREET Y
NOOSAVILLE
LIGHT INDUSTRIAL
DRAWING TITLE:
STORMWATER
DRAINAGE
PLAN
Design| RK. | checked | [Date 20—05-—15 | Dwg, No, AMD.
\ SCALE: 1: 200 on At uNo.| 2 of 4 2999-2 J
RPD:— LOT 1 SP 244573