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Attachment 6 - Stormwater Management Plan
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Log in to see the plans as drawnOPTION A - WIDEN EXISTING HES BASIN AND KEEP THE SAME LEVELS
LEGEND
NOTE - THIS OPTION IS NOT RECOMMENDED DUE TO OUTLET ISSUES DUE TO
HIGH POINT IN DOWNSTREAM DRAINAGE CHANNEL AND FLOOD LEVELS EXISTING CONTOURS (0.5m)
CATCHMENT TO BASIN
HES BASIN
X BIO BASIN
RL 11.5
FLOW DIRECTION
X EXISTING FLOWPATH
RL 12.5
X CLEAN WATER DRAIN
RL 13.5
DIRTY WATER DRAIN
PROPERTY BOUNDARY
TO GET THIS PORTION OF THE PAD BACK TO
THE INLET, LEVELS WOULD BE ABOVE RL 13.0 ACTIVE AREA
(ABOVE MINIMUM FLOOR LEVEL)
AREA TO BE STABILISED
X
FLOOD LEVELS PROVIDED BY NSC: X EXISTING SURFACE LEVEL
BASED ON MODELLING, EXISTING BASIN WOULD NOT BE RL 13.5
Q1 - 12.76 REQUIRED TO BE WIDENED SIGNIFICANTLY. HOWEVER, RL 13.5
Q2 - 12.79 THIS ASSUMES A WELL PERFORMING BASIN WITHOUT
Q10 - 12.92 OUTLET CONSTRAINTS DUE TO HIGH TAILWATER
Q100 - 13.07
Q100 CC - 13.16
X X
RL 13.5 RL 14.0
EXISTING
INFLOW RL 12.50
X
RL 14.0
X
RL 15.0
PIPED OUTLET RL 11.30
EMERGENCY SPILLWAY RL 12.20
EXISTING DECANT OUTLETS AND SPILLWAY ARE X
EXISTING DRAINAGE COULD
WELL BELOW Q2 FLOOD LEVELS. RL 14.0
X REMAIN OR BE MODIFIED
RL 15.0
X
RL 14.0
X
RL 14.0
X
RL 17.0
CLIENT PROJECT
D CELL NUMBER REVISION KR 20/09/21 0 20 COPYRIGHT C NOOSA SHIRE COUNCIL NOOSA LANDFILL STORMWATER MANAGEMENT PLAN
C FINAL DESIGN REPORT KR 03/06/21 TOPO GROUP PTY LTD
DRAWN DESIGNED DATE DRAWING TITLE
B NEW ATC DESIGN KR 12/04/21
SCALE 1:1000 THIS DOCUMENT MAY NOT BE COPIED OR KR KR 31/03/21 STORMWATER MANAGEMENT - NORTH
ISSUED FOR USE TRANSMITTED IN ANY FORM OR BY ANY
E REVISION TO NORTH OPTIONS KR 10/12/21 MEANS IN PART OR IN WHOLE WITHOUT
RPEQ / SIGNATURE (IF REQUIRED) PAD OPTION - WIDEN EXISTING BASIN
NORTH
A3 THE WRITTEN CONSENT OF TOPO GROUP CPESC - 5395, RPEQ - 15954 PROJECT No DRAWING No REVISION
REVISION DESCRIPTION APPROVED BY DATE PTY LTD. 20-0211 CONCEPT-12A E
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