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23-0262- ESC DRAWINGS REVB red
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TYPE D SEDIMENT BASIN CALCULATIONS QLD SPP 0.45m (min) SEDIMENT STORAGE APPROX. DIMENSIONS
OF HEAVY TOTAL
SETTLING APPROX. APPROX. APPROX.
TO COMPLY WITH m3/HA TO EFER TABLE. CLEAN OUT APPROX. REQ SETTLING
CATCH AREA BATTERS DEPTH FILTER SED STORAGE RUSLE SOIL LENGTH AT WIDTH AT DEPTH AT VOLUME AT
BASIN ID L:W RATIO 80% QLD SPP ACHIEVE QLD SPP VSET FREQUENCY VSS SED STORAGE VOLUME
(HA) (1 IN X) DS OWRATE AND OPTION? LOSS (t/ha/yr) SPILLWAY SPILLWAY SPILLWAY SPILLWAY
REQUIREMENT REQUIREMENT EA BEHIND. CREST (MONTHS)ARMOUR ROCK DEPTH (m) (m 3)
(m) 225 mm (min) (m) (m) (m) (m 3)
FOR HIGH
SB1 0.63 2 3 1.00 YES 1200 756 RUSLE 133 3 17 0 53.6 17.9 1.0 756 773
NOTES:
1. SIZING FOR TRADITIONAL BASIN IS BASED ON 1200m³/HA STORAGE VOLUME FOR CALOUNDRA, AS DETERMINED FROM TABLE 2 OF COMPLYING WITH THE SPP - TECHNICAL NOTE FOR GOVERNMENT DEVELOPMENT ASSESSMENT AND COMPLIANCE OFFICERS (HEALTHY LAND AND WATER (2018))
DEWATERING BASIN SPILLWAY CALCULATIONS WEIR CHUTE DISSIPATER
MIN. DEPTH MEAN
CATCH TIME OF SIDE SLOPE LONG. MANNING
FLOW - Q BASE U/S WATER FREEBOAR HEIGHT TOP ROCK SIZE - D50 DESIGN DEPTH OF WITH ROCK SIZE - WIDTH 1 WIDTH 2 LENGTH
BASIN ID AREA ARI CARI CONC IARI 1 SLOPE ROUGH
(m3/s) WIDTH LEVEL (m) D (m) SPILLWAY WIDTH (m) (mm) VEL (m/s) FLOW (m) F/BOARD D50 (m) (m) (m)
(HA) (MINS) (1 in x) (m/m) COEFF
TO TOB (m) (m) (mm)
SB1 0.63 20 0.735 10 204 0.26 2 2 0.17 0.3 0.47 3.87 0.5 131 0.119 1.19 0.10 0.40 100 4.2 4.4 2.1
DIVERSION BERM / DRAIN CALCULATIONS
DEPTH
CATCH TIME OF LONG. SIDE SLOPE SIDE SLOPE MANNING
FLOW - Q BASE MAX PERM DESIGN VEL DEPTH OF WITH DRAIN TOP OK /
DRAIN ID AREA ARI CARI CONC IARI 3
SLOPE 1 2 LINING ROUGH
(m /s) WIDTH VEL (m/s) (m/s) FLOW (m) F/BOARD WIDTH (m) NOT OK
(HA) (MINS) (m/m) (1 in x) (1 in x) COEFF
(m)
DWB1 0.5 2 0.595 10 127 0.10 0.015 0 2 20 Vital HR - L/m2 0.02 1.5 0.86 0.11 0.26 5.62 OK
CWB1 0.5 2 0.595 10 127 0.10 0.015 0 2 20 Vital HR - L/m2 0.02 1.5 0.86 0.11 0.26 5.62 OK
DWD1 0.63 3 0.595 10 127 0.13 0.01 0 2 2 Vital HR - L/m2 0.02 1.5 1.13 0.24 0.39 1.57 OK
MAIN CELL LENGTH
DRAIN INVERT MIN. MANUAL TREATMENT OF CAPTURED
0.2m ABOVE MAXIMUM RUNOFF REQUIRED POST RAINFALL,
SPILLWAY CREST WATER AFTER SEDIMENTATION HAS
0.3m (MIN) SPILLWAY CREST
LEVEL OCCURED NATURALLY WITHIN BASIN
HIGH FLOW
(OVER
SPILLWAY)
SETTLING ZONE DEPTH (DS) DEPTH (DT )
SEDIMENT STORAGE DEPTH (DSS)
GEOTEXTILE LINING TO
CONTINUE UNDER ROCK. 300 mm THICK,
300mm THICK, DD50-150
50-150mm
TYPE D SEDIMENT BASIN TYPICAL SECTION (nts) ROCK PROTECTION
ROCK PROTECTIONWITH WITH
GEOTEXTILE UNDERLAY
GEOTEXTILE UNDERLAY.
2 1 IN
1 IN 2
FILL
SPILLWAY AND
CHUTE TO BE
LINED AS
SPECIFIED
SPILLWAY
OPTION TYPICAL
2 SPILLWAY SECTION
TYPICAL SECTION
MAIN CELL WIDTH
0.5m MIN.
LINE WITHD50
LINE WITH TWO LAYERS OFF
- 150mm
INLET DRAIN (OR
PIPE)
DROCK. UNDERLAY WITH
50-150mm ROCK
MAIN CELL LENGTH GEOTEXTILE WITH
PROTECTION
0.5m
GEOTEXTILE UNDERLAY
FLOW DIRECTION
1:2
X28m
m
m 1:2
0.3m
0.3m
SPILLWAY TYPICAL SECTION
TYPE D SEDIMENT BASIN PLAN VIEW (nts)
CLIENT PROJECT
COPYRIGHT C INTEGRAL CONSTRUCTION NOOSA HEALTH PRECINCT
TOPO GROUP PTY LTD
DRAWN DESIGNED DATE DRAWING TITLE
B UPDATES TO BASIN SIZE AND LOCATION TB 29/02/2024
ISSUED FOR USE
THIS DOCUMENT MAY NOT BE COPIED OR PG TB 29/02/2024 EROSION AND SEDIMENT CONTROL PLAN
TRANSMITTED IN ANY FORM OR BY ANY
A ORIGINAL ISSUE KR 10/10/2023 MEANS IN PART OR IN WHOLE WITHOUT
RPEQ / SIGNATURE (IF REQUIRED) CALCULATIONS & TYPICAL BASIN DETAILS
A3 THE WRITTEN CONSENT OF TOPO GROUP PROJECT No DRAWING No REVISION
REVISION DESCRIPTION APPROVED BY DATE PTY LTD. CPESC 6,374 23-0262 D07 A
B
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