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Approved Plans OPW25-0057
Plans and drawings: the text below has words only, no drawings.
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Original PDF page 29, section 1. The text section number identifies this passage in the reader.
IT IS THE RESPONSIBILITY OF THE
CONTRACTOR TO CONTACT THE RELEVANT
AUTHORITIES TO CONFIRM THE LOCATION OF
ALL EXISTING SERVICES PRIOR TO THE
E COMMENCEMENT OF EXCAVATION
WEIR NOTES:
OUTLET CHANNEL DETAILS 1. INSITU MATERIAL TO BE TESTED AND APPROVED BY GEOTECHNICAL
Q100FLOW 805l/s ENGINEER PRIOR TO WEIR CONSTRUCTION
2. GROUTED ROCK PITCHING TO BE 75-100 STONES, 300 THICK ON FILTER
Longitudinal Grade 2.00% (MIN)
CLOTH. REFER LANDSCAPE DRAWINGS FOR PLANT SPECIFICATION AND
Lining Rock DETAILS. GEOTECHNICAL ENGINEER TO CONFIRM COMPACTION NOTE: WEIR TO BE IN ACCORDANCE
REQUIREMENTS FOR BUND SUBSOIL. WITH IPWEA STD DRG DSD-507
Mannings 'n' .06
3. CONSTRUCTION TOLERANCES AS DOCUMENTED IN THE 'WATER
Flow Depth 0.19m SENSITIVE URBAN DESIGN CONSTRUCTION AND ESTABLISHMENT
Velocity 0.72m/s GUIDELINES - SWALES, BIORETENTION SYSTEMS AND WETLANDS'
(WATER BY DESIGN) MUST BE ACHIEVED. 0.5 m 6.0 m 0.5 m
d*v 0.14m²/s
0.25m
0.25m
Swale Capacity 1250l/s CONCRETE WEIR
R.L 103.30 TOP OF BANK RL103.55
Q100 = R.L.103.48
1:3 Q10 = R.L.103.43
1:3
250 MIN BUND TO
CONTAIN Q100 FLOW Q100 DEPTH = 0.19m @ Q10 DEPTH = 0.15m @
MIN 2% CHANNEL GRADE MIN 2% CHANNEL GRADE
0.25m
300mm WIDE 600mm DEEP
CONCRETE WEIR LEVEL SPREADER
EXISTING N32 SL82 MESH CENTRAL
SURFACE
STW PIPE
CONCRETE WEIR DETAIL
SECTION C Datum RL101.00
SCALE 1:100 A3
SCALE 1:25 (A1) - 1:50 (A3)
RP BDY
106
900x900 FIELD INLET WITH
TYPE 1 GRATED INLET
RP BDY
TOP OF BIO BANK SL103.2
105 RL103.55 IL101.6
LINER TO EXTEND EXISTING SURFACE
UNDER WEIR AND
ROCK GROUTED ROCK CONCRETE WEIR EXTENDED DETENTION DEPTH 1.95m
EXISTING GRATED
RL103.30
104 STORMWATER PIT PLANTED BATTER
SL102.67
0.3m
1:4
IL101.41 2% MIN
1:3 1:3
0.1m
103 BIORETENTION BASIN FILTER SURFACE RL102.90
0.3m TOP OF BANK RL103.55
DESIGN SURFACE
102
Ø600 [email protected]%
DSIL101.45 USIL101.6 PERMEABLE LINER
SUBSOIL DRAIN GRADING
101 PERMEABLE LINER TO EXTEND AT 0.5% TOWARD OUTLET
FILTER CLOTH FIXED TO
CONNECT TO EXISTING PIT 500 UNDER GROUTED ROCK
PERIMETER OF PIT
SPOILS AND PINNED TO BATTER
SECTION B Datum RL100.00
SCALE 1:100 A3
106
RP BDY
SEDIMENT FOREBAY 150 MIN THICK REINFORCED
105 GENERALLY IN ACCORDANCE CONCRETE BASE AND EDGE
WITH IPWEA STD DRG DSD-506 EXISTING SURFACE 0.5m
EXTENDED DETENTION DEPTH 1.95m
ROCK APRON ALONG EDGE OF -
FOREBAY (100-150 NOM DIA) PLANTED BATTER
104
APPROVED PLAN
0.3m
IL102.95
Ø600 RCP 1:3
1:3 M
AX OPW25/0057
103 0.5% BIORETENTION BASIN FILTER SURFACE RL102.90
TOP OF BANK RL103.55
NOOSA COUNCIL
NOM 1m
SEWER LINE
DESIGN SURFACE 20 AUG 2025
102
LINER
Check all dimensions before commencement of work.
SECTION A Datum RL101.00
Check Site boundary dimensions from the Title plans
SCALE 1:100 A3 Check Building Boundary clearances by set out.
Notwithstanding the information supplied on this drawing,
the location, depth and extent of underground or overhead
SCALE 1:50 (A1) - 1:100 (A3) services are to be confirmed and protected on site by the
contractor prior to commencement of works.
Approved
Checked - CT Drawing title - Project - PROPOSED 1 INTO 3 Site - Project No. 233467 Sheet No. C361
E 17/06/2025 RFI STORMWATER AMENDMENTS SK
Design - SK Drawn - SK D 24/03/2025 UPDATED PROJECT NAME SK BIORETENTION BASIN SECTIONS DEVELOPMENT 62 LAKE MACDONALD DRIVE, Digital Ref :
C361 BIORETENTION BASIN
SECTIONS Issue : E
C 14/03/2025 UPDATED LOT LAYOUT SK
Scales - AS SHOWN B 20/09/2024 ISSUE FOR APPROVAL SK COVEY ASSOCIATES PTY LTD 124 DUPORTH AVENUE Client -
NOOSA COUNCIL COOROY This Document is copyright and shall not be copied
A 10/01/24 ISSUE FOR CLIENT REVIEW SK
ABN 59 137 305 992 PO BOX 16 without written approval, nor shall it be used except
Document Stage - APPROVAL (07) 5443 7777 MAROOCHYDORE QLD 4558 for the Development and the Site Specified.
Issue Date Description By [email protected]
c:\12dS\data\12DSERVER\233467_2957\DWG Covey\OPW\Uncontrolled\C361 BIORETENTION BASIN SECTIONS.dwg Plot 4 July 2025 - 5:07 PM
Document Set ID: 23931062
Version: 1, Version Date: 15/07/2025
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