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Item 11 Appendix E - Stormwater Management Plan-1.0 · MCU22/0094
Plans and drawings: the text below has words only, no drawings.
STORMWATER MANAGEMENT PLAN
LOT 4 CHILDCARE CENTRE
AT NOOSA BUSINESS CENTRE
EENIE CREEK ROAD, NOOSAVILLE
Prepared By:
MPN CONSULTING PTY LTD
Level 5
39 Sherwood Road
Toowong
Queensland
4066 • Australia
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20 May 2022
REVISION STATUS
MPN Reference No: 9307
Client: Stockwell
Site Address: Lot 4, Noosa Business Centre
Eenie Creek Road, Noosaville
Report Title: Stormwater Management Plan
DOCUMENT CONTROL
Version Date Author Reviewer Approved RPEQ
Draft 11/05/2022 Ben Tarrant Lachlan Stephenson 16903
Issue A 20/05/2022 Ben Tarrant Lachlan Stephenson 16903
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EXECUTIVE SUMMARY
This report has been commissioned by Stockwell to support the Development Application for the
proposed childcare centre development at the Lot 4, Noosa Business Centre, Eenie Creek Road
Noosaville.
This report addresses the following Engineering aspects of the proposed development:
• Topography
• Flooding
• Stormwater Quality Management
• Stormwater Quantity Management.
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Table of Contents
EXECUTIVE SUMMARY 2
1 PURPOSE 5
2 INTRODUCTION 5
2.1 Project Description 5
3 SITE CHARACTERISTICS 6
3.1 Site location 6
3.2 Topography and Existing Site Drainage 6
4 SITE DATA 7
5 STORMWATER 7
5.1 Flooding 7
5.2 Site Based Stormwater Management Plan 7
5.3 Operational Phase 7
5.4 Proposed Stormwater Quality Treatment Devices 12
5.5 Construction Phase (Sediment and Erosion Control) 13
6 CONCLUSION 16
7 LIMITATIONS OF REPORT 16
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20 May 2022 Table of Figures Figure 1 – Proposed Development 5 Figure 2 – Site Location 6 Figure 3 – Treatment Plan 11 Table of Tables Table 1 – MUSIC Rainfall Runoff Parameters (Commercial) 9 Table 2 – Pollutant Export Parameters (Commercial) 10 Table 3 – Water Quality Objectives 10 Table 4 – Percentage Based Load Reduction Results 11 Table of Appendices Appendix 1 Architectural Plans 17 Appendix 2 Site Survey 18 Appendix 3 MPN Plans 19 Appendix 4 Bioretention Basin Maintenance Checklist 20 Excellence with Economy in Engineering 4 l:\9000-9999\9300-9399\9307\reports\20-05-22 stormwater management plan_issue a.docx
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1 PURPOSE
This Stormwater Management Plan has been prepared as part of the Development Application for
the proposed child care development at Lot 4, Noosa Business Centre, Eenie Creek Road, Noosaville.
2 INTRODUCTION
2.1 Project Description
The current proposal involves the construction of a new childcare centre within the Noosa Business
Centre, consisting of a single storey building, on-grade carparking, landscaped areas and a
bioretention basin. Access to the site will be via roads that are currently under construction off
Hofmann Drive. A new public thoroughfare will be located along the western boundary of the site.
The proposed Plan of Development is depicted on the architectural plans prepared by Elevation
Architecture, attached in Appendix 1, with excerpt below.
Figure 1 – Proposed Development
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3 SITE CHARACTERISTICS
3.1 Site location
The overall Noosa Civic site is located at 28 Eenie Creek Road, Noosaville and is formally known as
Lot 3 on SP246584.
The proposed development will be on a new Lot 4 created as part of the overall reconfiguration of a
lot currently being undertaken, where the development will be accessed from the future road
continuing off Hofmann Drive. The site is within a major centre zone and a business park precinct.
The site has been cleared and remediated in preparation of development (refer to Figure 2). This
development will bring an environmental conservation zone to the west, village mixed use precinct
to the north, a swim school to the east and an access road to the south.
Figure 2 – Site Location
3.2 Topography and Existing Site Drainage
The site is undergoing clearing of dense tree coverage over the subdivision area, where a gentle slope
falls from the North-East corner, down to the South-West corner. Levels range from a high RL of
5.50m, to a low RL of 4.0m.
Stormwater runoff from the existing site sheet flows south-west towards the creek upstream of
Eenie Creek.
A copy of a survey plan for the site prepared by Norris Clarke & O’Brien is attached in Appendix 2.
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4 SITE DATA
Site data has been obtained from the following sources of information:
• Survey Data
• Noosa Shire Council (NSC)
• Satellite imagery
• Relevant reports
• Dial Before You Dig (DBYD).
5 STORMWATER
5.1 Flooding
Based on Noosa Shire Council flood mapping, the site is not subject to flooding from any sources.
5.2 Lawful Point of Discharge
The lawful point of discharge for the development site is the Noosa Civic subdivision stormwater
network, South-West of the site within the future access road corridor. The existing Noosa Civic
lawful point of discharge is the Creek to the South of the site, off Eenie Creek.
5.3 Site Based Stormwater Management Plan
The aim of the Stormwater Management Plan outlined below is to:
• Prevent or minimise adverse social or environmental impacts from stormwater runoff
originating from the proposed development.
• Achieve acceptable levels of stormwater runoff quality and quantity.
The Stormwater Management Plan aims to identify Stormwater Quantity and Quality Best
Management Practice for the site and demonstrate that water quantity and quality impacts will be
minimised in receiving waters.
The Stormwater Management Plan outlines the site in two sections, the operational phase and the
construction phase. The operational phase addresses treatment of contaminated runoff from the
developed site by natural methods before discharging into receiving waters whilst the construction
phase of the Stormwater Management Plan addresses erosion and sediment control to prevent
contamination of water sources by stormwater runoff during construction of the site.
5.4 Operational Phase
5.4.1 Proposed Site Drainage
Stormwater runoff from the proposed development will be collected and conveyed in a new
stormwater pit and pipe network to the proposed Noosa Civic stormwater network.
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Stormwater runoff from the new roof, carpark and landscaped areas will be directed to a
bioretention basin for stormwater quality treatment. High flow bypasses will be constructed
around the bioretention basins for flows exceeding the treatment flows.
Approximately 58m2 of the access driveway, pavement and landscaped areas will bypass the
bioretention basins to allow the driveways to join neatly into the existing road system. The treated
areas will be over treated so the overall net water quality objectives are achieved for the
development.
Stormwater treatment will be implemented to remove sediments, nutrients, gross pollutants and
hydrocarbons in accordance with the requirements of Noosa Council and the State Planning Policy.
This development sits within a lot that has been allowed for in previous stormwater calculations,
therefore no detention is proposed for this development.
The proposed conceptual stormwater drainage layout is depicted on MPN Plan 9307-CP.1.01,
attached in Appendix 3.
5.4.2 Stormwater Quantity Management Strategy
The proposed development site will connect into the existing drainage system for the Noosa Civic
Subdivision. The sites minor flows will run through the existing pipe system whilst the major
overflows will overland flow down the internal roads prior to discharging to the Creek to the south
of the site. There will be no impacts to external properties as a result of the development flows
through the internal site system.
5.4.3 Stormwater Quality Management Strategy
In order to satisfy the requirements of the State Planning Policy July 2017 for the adequate
treatment of stormwater runoff, natural treatment solutions have been provided to remove
hydrocarbons, suspended solids and nutrients prior to being discharged from site.
5.4.3.1 Potential Pollutants Generated
The pollutants that could be potentially generated as a result of the development use are as
follows:
• Litter
• Sediment
• Nutrients (Nitrogen and Phosphorous)
• Hydrocarbons (oils and grease)
• Surfactants
• Pathogens/Faecal Coliforms (bacteria and viruses)
The MUSIC computer modelling program developed by the Co-operative Research Centre for
Catchment Hydrology was used to predict the performance of the proposed stormwater treatment
train.
At this stage the pollutants modelled in MUSIC are Total Suspended Solids (TSS), Total
Phosphorous (TP) and Total Nitrogen (TN).
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5.4.3.2 Rainfall
The rainfall data used in the model was based on the Bureau of Meteorology data from rainfall
station 40059 Cooroy Composite. The model was run for a 10-year period from 1 January 1973 to
31 December 1983. The modelling time step was 6 minutes.
5.4.3.3 Rainfall Runoff Properties
In accordance with the recommendations of Water By Design’s MUSIC Modelling Guidelines for
South East Queensland rainfall runoff properties for commercial areas have been used.
These are listed in Table 1.
Parameter Value
Rainfall Threshold (mm) 1
Soil Storage Capacity (mm) 18
Initial Storage (% of capacity) 10
Field Capacity (mm) 80
Infiltration Capacity Co-efficient a 243
Infiltration Capacity Co-efficient b 0.6
Initial Depth (mm) 50
Daily Recharge Rate (%) 0
Daily Base Flow Rate (%) 31
Deep Seepage (%) 0
Table 1 – MUSIC Rainfall Runoff Parameters (Commercial)
5.4.3.4 Pollutant Export Parameters
Specific Pollutant Export Parameters must be applied to each node type as cited in the Water By
Design MUSIC Modelling Guidelines. The values shown in Table 2 are for split catchment
commercial areas. Runoff pollutant concentrations are generated stochastically from the defined
mean and standard deviation.
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Land Use – Commercial Log10 TSS (mg/L) Log10 TP (mg/L) Log10 TN (mg/L)
Base Storm Base Storm Base Storm
Flow Flow Flow Flow Flow Flow
Roof Mean 0 1.30 0 -0.89 0 0.37
Std. Dev. 0 0.38 0 0.34 0 0.34
Roads Mean 0.78 2.43 -0.6 -0.30 0.32 0.37
Std. Dev. 0.39 0.38 0.5 0.34 0.30 0.34
Ground Mean 0.78 2.16 -0.6 -0.39 0.32 0.37
Level/Open
Space Std. Dev. 0.39 0.38 0.5 0.34 0.30 0.34
Table 2 – Pollutant Export Parameters (Commercial)
5.4.3.5 Water Quality Objectives
The Water Quality Objectives of the receiving waters for the proposed development have been
obtained from State Planning Policy July 2017. The State Planning Policy load reduction targets are
summarised in Table 3 below.
WATER QUALITY OBJECTIVES
Total Suspended Total Nitrogen Total Litter/Gross
Solids (TSS) % (TN) % Phosphorous Pollutants % Oils/Grease
Reduction Reduction (TP) % Reduction Reduction
No visible films
80 45 60 90
or odours
Table 3 – Water Quality Objectives
5.4.3.6 Treatment Plan
In order to achieve the Water Quality Objectives for the proposed development, it is proposed to
use natural treatment methods to treat the runoff prior to discharge from the site.
Stormwater runoff from the roof will be captured in a series of new gutters, downpipes and pits,
which will discharge along with the remaining on ground catchments to the bioretention basin,
where Q1 flows will receive treatment while additional flows will discharge into the external
stormwater network.
Approximately 58m2 of the access driveway, footpath and landscaped areas will bypass the
bioretention basin. This bypass has been compensated for in the model so the overall net water
quality objectives are achieved for the development
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Treated water will discharge off site via a proposed stormwater connection. The treatment plan for
the proposed development is depicted on MPN Plan 9307-DA.02 attached in Appendix 3, with
MUSIC excerpt in Figure 3.
Figure 3 – Treatment Plan
5.4.3.7 MUSIC Results
The resulting percentage-based load reductions at the outlet are shown in Table 4 below together
with the Water Quality Objectives for the receiving waters.
Residual
Sources % Reduction Target %
Load
Total Suspended Solids (kg/yr) 407 78.2 80.5 80
Total Phosporous (kg/yr) 1.08 0.307 71.8 60
Total Nitrogen (kg/yr) 9.86 4.69 48.0 45
Gross Pollutants (kg/yr) 70.7 1.54 97.8 90
Table 4 – Percentage Based Load Reduction Results
5.4.3.8 POD Pollutant Reduction
5.4.3.8.1 Litter
Rubbish bins will be located within the on-site bin store, for use by staff and visitors. The carparks
will be cleaned regularly. As a result of this and with the installation of the treatment devices, levels
of litter exiting the site via stormwater are expected to be negligible.
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20 May 2022 5.4.3.8.2 Sediment The TSS outflow is identified in Table 4 above. As can be seen from the above table, the pollutant load reduction achieves the Water Quality Objectives. The TSS level is therefore considered acceptable. 5.4.3.8.3 Nitrogen and Phosphorous The TN and TP loads are identified in the Table 4. As can be seen, the TN and TP loads leaving the site achieve the Water Quality Objectives. The Nitrogen and Phosphorous residual loads are therefore considered acceptable. 5.4.3.8.4 Hydrocarbons Hydrocarbons will become trapped within the bioretention filter media. When there is a build-up of hydrocarbons within the bioretention basin, the top layer of the filter media can be removed and replaced ensuring that no hydrocarbons are discharged from the site. Studies have shown that micro-organisms in the organic mulch layer degrade and break down the petroleum-based hydrocarbons and hence they will not be discharged from site. 5.4.3.9 Surfactants Washing of cars is not expected on site for the proposed development, as a result surfactants should not be an issue for the drainage system. 5.4.3.9.1 Heavy Metals Heavy metals in stormwater runoff generally become attached to fine sediment. The bioretention basin will remove the majority of this fine sediment. The removal of the fine sediment should effectively remove most of the heavy metals in the runoff. 5.4.3.9.2 Pathogens/Faecal Coliforms Domestic animals within the development will be under the control of their owners at all times and the owners will be expected to clean up after them. 5.5 Proposed Stormwater Quality Treatment Devices 5.5.1 Locations The location of the proposed stormwater quality treatment device is shown on MPN Plan 9307- CP.1.01, attached in Appendix 3. 5.5.2 Device and Size The device type and size are depicted on MPN Plan 9307-CP.1.01, attached in Appendix 3. 5.5.3 Operation The bioretention basin operates by filtering runoff through densely planted surface vegetation, then percolating the water through a sandy loam filter media with details as per MPN Plan 9307- CP.1.01, attached in Appendix 3. As the water is percolated through the soil, pollutants are captured by fine filtration, adsorption and biological uptake. Excellence with Economy in Engineering 12 l:\9000-9999\9300-9399\9307\reports\20-05-22 stormwater management plan_issue a.docx
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5.5.4 Maintenance
For the initial maintenance of the bioretention basin it is important to remove weeds and debris,
with regular watering until plants are established and actively growing.
Watering is to be undertaken following the construction of the basin at the following frequency:
• Week 1 – 6, 5 times/week
• Week 6 – 10, 3 times/week
• Week 11 – 15, 2 times/week
If there is no rain, each plant should receive 2.5 – 5.0 litres of water per week during establishment
in the first 6 weeks (40mm/week).
Watering requirements to sustain healthy vegetation should be determined during ongoing
maintenance visits.
Detailed establishment techniques can be found in the Water By Design Construction and
Establishment Guidelines.
Inspections are also recommended following large storm events to check for scour and other
damage.
Maintenance of the bioretention basin will include:
• Routine inspections of surface profile to identify areas of sediment build-up, scour and
erosion or clogging of the filter media;
• Routine inspection of the overflow pits and under drains for blockages and litter build-up;
• Removal of sediment where it is smothering the basin vegetation; and
• Repair all basin damage due to scour or erosion by replacement of filter media and
vegetation.
A Bioretention Basin Maintenance Checklist is attached in Appendix 4.
Detailed maintenance techniques can be found in the Water By Design Maintaining Vegetated
Assets Guideline.
5.6 Construction Phase (Sediment and Erosion Control)
5.6.1 Intent of Erosion and Sediment Control Management Plan
To prevent stormwater contamination (of watercourses) and the release of contaminated
stormwater and wastewater by ensuring compliance with the Environmental Protection Act 1994
and Environmental Protection (Water) Policy 2009.
5.6.2 Implementation Strategy
Establish control measures and best practice approaches to prevent stormwater contamination
and minimise the risk and adverse effects of erosion and sedimentation. All Erosion and Sediment
Control measures must be designed, constructed and maintained in a manner that is
commensurate with the site’s erosion risk.
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5.6.3 Erosion and Sediment Control Measures
• Obtain a licence or approval to operate activities that are classed as environmental
relevant activities (i.e. they have the potential to cause environmental harm).
• Implement and maintain appropriate control measures to prevent sediment leaden
wastewater and other potential pollutants such as oil, paint and wet concrete from entering
the stormwater system via stormwater drains and gullies. The control measures which
must be considered to be adopted are:
• Limit site access during construction to minimise disruption to traffic
• Install a temporary construction entry/exit sediment trap at all site accesses to
minimise mud and sediment from the site being tracked onto public road,
particularly during wet weather or when the site is muddy.
• Install and maintain appropriate sediment fences around construction areas
▪ Divert clean stormwater runoff, using catch drains, around construction
areas to existing or new stormwater drainage system.
▪ Install sandbags and other pollution containment devices around
stormwater drains and any other locations where required to prevent
sediment entering the trunk stormwater system.
▪ Cover open earth/soil areas progressively (with concrete slabs and
pavements or mulch) to minimise areas of bare earth/soil.
▪ Any stockpiles of excavated soil and demolition / construction waste must
be located where risk of erosion and sediment is minimal, and must be
protected from wind and water erosion.
• Implement and maintain appropriate control measures such as catch drains and
sediment fences to prevent ponding of stormwater or discharge of stormwater
from the site to adjacent properties.
• Provision of spill / pollution control equipment that is readily accessible to clean up
spills and leaks.
• Ensure spill/pollution control measures are available and maintained in working
condition.
• Sediment contained by the sediment control devices such as sandbags, sediment
fences and containment bunds must be frequently removed and placed in a
controlled area.
• Implement an inspection schedule for any spill or leaks of any potential polluting
areas or activities.
5.6.4 Erosion Sediment Control Management Goals
• Licenses, approvals, permits and inspection reports are in order.
• Sediment or pollution control devices such as sandbags, sediment fences and containment
bunds are in place, maintained and effective.
• Spill/ pollution control equipment is readily accessible at designated locations.
• No accumulated sediment is contained by the sediment control devices such as hay bales,
sediment fences and containment bunds.
• No sediment exceeding a depth of 300mm in the pollution control devices (e.g. silt trap).
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5.6.5 Erosion and Sediment Control Implementation Program
• Licenses, permits or approvals for each environmentally relevant activity must be obtained
prior to the commencement of the particular activity.
• Appropriate control measures such as sediment fences, temporary construction entry/ exit
sediment traps, pollution containment devices (e.g. sandbags), stormwater diversion and
administrative controls must be installed and established prior to commencement of the
earthworks and construction activities.
• Pollution control devices such as spill control equipment must be inspected on a regular
basis (at least weekly).
• Other sediment and pollution control equipment such as containment bunds, hay bales and
sediment fences must be inspected on a regular basis (at least daily).
• Inspection for any leaks, spills or potential contaminating activity must be performed on a
regular basis (at least daily).
• Remove accumulated sediment or other contaminants from sediment/ pollution control
devices on a regular basis.
• All erosion and sediment control measures must be inspected within 24 hours of expected
rain and within 18 hours of a rainfall event.
5.6.6 Responsible Person or Organisation
The contractor shall be responsible for the implementation and maintenance of the Erosion and
Sediment Control Measures.
5.6.7 Reporting / Review
Records such as licences, approvals, permits and inspection reports must be reviewed on a regular
basis (e.g. at least monthly) to ensure that legal compliance is met, complaints are reviewed and
systems are working to prevent contamination.
5.6.8 Corrective Actions
• Perform clean-up of any spills immediately.
• Any mud or sediment which is tracked onto public roads is to be immediately removed
using dry clean-up methods i.e. shovel and broom.
• Remove or relocate any stockpiles of waste where there is a reasonable risk of erosion and
sedimentation.
• Replace or repair sediment or pollution control devices if they are not maintained in good
working condition.
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20 May 2022 6 CONCLUSION This Stormwater Management Plan demonstrates that under the proposed concept plan, stormwater quality and quantity treatment is achievable to the levels required by State Planning Policy July 2017. The lawful point of discharge for the development site is the existing and future Noosa Civic Subdivision stormwater infrastructure south-west of the proposed development. The existing Noosa Civic lawful point of discharge is the Creek to the south of the site. Stormwater runoff from the new roof, carpark, internal road and servicing areas will be directed to a bioretention basin for stormwater quality treatment. High flow bypasses will be constructed around the bioretention basins for flows exceeding the treatment flows. Approximately 58m2 of the access driveway and landscaped areas will bypass the bioretention basins to allow the driveways to join neatly into the existing internal road system. The treated areas will be over treated so the overall net water quality objectives are achieved for the development. Stormwater discharged from site is proposed to be consistent with the existing Noosa Civic Subdivision. The development sits within a lot that has been allowed for in subdivision works stormwater calculations, therefore no detention is proposed for this development. 7 LIMITATIONS OF REPORT MPN have prepared this report for the proposed childcare centre development at Lot 4, Noosa Business Centre, Eenie Creek Road Noosaville in accordance with MPN’s proposal to Stockwell. This report is provided for the exclusive use of Stockwell for this specific project and its requirements. It should not be used or relied upon by a third party and MPN accept no responsibility for the use of this report by any party other than Stockwell. Excellence with Economy in Engineering 16 l:\9000-9999\9300-9399\9307\reports\20-05-22 stormwater management plan_issue a.docx
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Appendix 1
Architectural Plans
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5.580
C
10.01
Outdoor Play 1
45"
16'
068299°
43
Area: 142.50
Occupancy: 20
1,500
4.340 Age: 0-3 yrs
4.750
826
1
27
Verandah
Staff
2
14
TANK
Amenities
Ext. Store 1
Staff
2,000
15
3
Activity Room 2
Age: 0-12 mnths
Activity Room 1
Sleep Room 1 Area: 42.40
Staff Age: 0-12 mnths
4,000 Area: 20.60 Occupancy: 12
Area: 28.20
16
Occupancy: 8 Sleep Room 1
4 Occupancy: 8 Prep
Area: 16.20
Proposed 3.0m Public Thoroughfare Footpath
Occupancy: 6
Staff Store
1,418
17
5
Drying
USAB
2,600
Court
Staff
18
Activity Room 3
2,400
6
Age: 2-3 yrs
Laundry
Staff Area: 52.60
Comms
Occupancy: 15
19
6,200 5,400
7
Staff Planning
20
20"
42'
58836°
35
Pram
Prep Amenities
8
Director
21
Sign In
9
Activity Room 4
Age: 2-3 yrs
Foyer
Secure Area: 55.40
Verandah
Shared Entry Occupancy: 15
10
B B
22
10.01 10.01
42"
21'
75827°
61
5.000
Ext. Store 2
11
4,000 1,418 11,600 5,400 2,988 92
23
Carpark
12
Activity Room 5
Kitchen
(27 Spaces) Dry Store Age: 3-5 yrs
Area: 77.90
+ SRV
Rack
Bike
Occupancy: 22
24
13
Services
6,200
A A
10.01 10.01
25
2,288
Indoor Store Outdoor Play 2
Staff WC Area: 536.00
Store
Prep Amenities
7,201 Occupancy: 74
Age: 2+ yrs
26
47"
53'
588154°
9
2,989 92 Staff Room
BioDetention
SRV
6,200 Activity Room 6
Age: 3-5 yrs
3,500
4.250 Area: 75.60
47"
53'
146154°
4
4.499 Occupancy: 22
Bin Store Ext. Store 3
46"
35'
950154°
2
4.498 2,000
25"
1'
512153°
2
Entry Arbour
5"
37'
980150°
4
12"
25'
980147°
4
4M SE
T BACK
#toPZvalue
23"
48'
465145°
9
C
10.01
1"
16'
047139°
18
34"
56'
936130°
4
45"
43'
141123°
5
23"
22'
936127°
4
Revision Project Architect Stage Project No.
Floor Plan - Ground
D Review Issue 29/04/2022 Sanctuary Noosa Childcare Centre SC Concept 1187-05
E Review Issue 29/04/2022 Lot 4 Noosa
F-
WIP
Client Review Work in Progress Client
Stockwell Development Group Pty Ltd
Drawn
BL
Status
Not For Construction
Scale
1:250 at A3
A-SD-03.01 F - WIP
(07) 3251 6900 [email protected] Elevation Architecture Pty Ltd ACN 606 170 807 © Copyright reserved this document is and shall remain the property of Elevation Architecture. Unauthorised use of this document in any form whatsoever is prohibited. All information to be printed in colour. Figured dimensions take precedence over scale dimensions. Contractors must verify all dimensions on site before commencing any work or making shop drawings. P:\Data 1\1187-05 Sanctuary Noosa Childcare Centre\5.1 Sketch Design\5.1.2 ArchiCAD\1187-05 Master SD Maddy.pln
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Appendix 2
Site Survey
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Norris Clarke & O'Brien Pty Ltd
Licensed Surveyors
Town Planners
Development Consultants
Level 1 - Aldi Centre, 12 Bishop Street
Kelvin Grove QLD 4059
ph: fax:
email:
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Appendix 3
MPN Plans
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EXISTING
LEGEND PROPOSED
PROPERTY BOUNDARY
2 25.2
MAX. 0.8m HIGH -
5.00 CONTOUR
RETAINING WALL TOW 5.70 BUILDING
WALL
CONCRETE
TOW 5.50 RET
RET WALL BOW 4.90 KERB
WALL
RET
4.8 RET BOW 4.90 KERB AND CHANNEL
Outdoor Play 1
FLUSH KERB
SW STORM WATER MAIN
WALL
4.4
W WATER MAIN
1
27
S SEWER MAIN
T TELSTRA CABLE
RET
EARTHWORKS TABLE
2
14
E U/G ELECTRICITY
MAX. 0.8m HIGH N O/H ELECTRICITY
WALL
RET WALL RETAINING WALL RET WALL
15
RETAINING WALL
3
SITE STRIP (m³) CUT (m³) FILL (m³) IMPORT
4.2
LANDSCAPE WALL
(m³) TOP OF WALL LEVEL TOW 22.22
16
(200 DEEP)
RET
4
BOTTOM OF WALL LEVEL BOW 22.22
SWALE DRAIN
17
WALL
5
SITE EARTHWORKS TOP OF BATTER
480 180 400 220 FACE OF BATTER
18
TOE OF BATTER
6
4.4
RET
CUT AREA
19 BUILDING
7
MAX. 1 IN 4
WALL
4.6
BATTER FFL 5.000 FILL AREA
20
BEL 4.780
8
BOW 4.85 TOW 5.15
RET
21
9
1
WALL
-
10
22
RET
FINISHED SURFACE
11
LEVEL
150 CONCRETE SLAB
WALL
23
12
BIO BASIN. REFER DWG 100 CBR 15
BULK EARTHWORKS
24
4.0
4.2
No. CP.1.01 FOR DETAILS.
13
S LEVEL
25
4.6
Outdoor Play 2
S
TYPICAL CARPARK WORKING PLATFORM DETAIL
26
S N.T.S.
4.6
FINISHED FLOOR
LANDSCAPE WALL S LEVEL - FFL
BY OTHERS. 100 CONCRETE SLAB
S 4.4 20 SAND
S
100 CBR 15
BULK EARTHWORKS
PAD LEVEL - BEL
SW S
S
4.4
SW S 4.6
SW TYPICAL BUILDING WORKING PLATFORM DETAIL
SW S 4.4 N.T.S.
S
SW
W S
SW
S
W SW S
E E E
SW S
SW
S
W HOF SW S S
MAN SW E
N DR
IVE SW
SW
SW E
S
W
SW
A 20.05.22 FOR APPROVAL KC LS
ISSUE DATE AMENDMENT BY APP
EASEMENT BDY
COPYRIGHT: THIS DESIGN AND PLANS ARE NOT TO BE USED OR REPRODUCED
CARPARK BUILDING WHOLLY OR IN PART WITHOUT WRITTEN PERMISSION OF MPN
RP BDY
CONSULTING PTY LIMITED 2018 ©
RP BDY
MAX. 1 IN 4 FINISHED SURFACE FFL 5.000
BATTER BEL 4.780
ABN: 39 062 191 799 P: 61 7 3335 4555
39 Sherwood Road, Toowong, Qld, 4066 E: [email protected]
BULK EARTHWORKS TEMPORARY BATTER SLOPE MAX. 0.8m HIGH
NATURAL SURFACE SURFACE TO GEOTECHNICAL ENGINEERS RETAINING WALL. CLIENT:
NOT FOR CONSTRUCTION
REQUIREMENTS
SECTION 1
STOCKWELL DEVELOPMENT GROUP PTY LTD
SCALE 1:200 -
SANCTUARY NOOSA CHILDCARE CENTRE
LOT 4 NOOSA
HOFMANN DRIVE
BUILDING NOOSAVILLE, QLD 4566
RP BDY
RP BDY
HOFMANN FINISHED SURFACE BULK EARTHWORKS PLAN
FFL 5.000
DRIVE
BEL 4.780
DESIGN: KC DRAWN: KC SCALES: AS SHOWN
BULK EARTHWORKS TEMPORARY BATTER SLOPE MAX. 0.8m HIGH CHKD: APPRD: DATE:
NATURAL SURFACE SURFACE SECTION 2 TO GEOTECHNICAL ENGINEERS RETAINING WALL. mpn JOB DRAWING No. REV
SCALE 1:200 - REQUIREMENTS
0 2 4 6 8 10
9307 BE.1.01 A
SCALE 1:200 (A1) 1:400 (A3)
FOR APPROVAL
Page 24
EXISTING
LEGEND PROPOSED
PROPERTY BOUNDARY
EASEMENT
DETENTION
900 x 900 DOME
EXTENDED
5.00 CONTOUR 5.00
TOP GRATE
300
BUILDING
REFER LANDSCAPE ARCHITECTS CONCRETE
DRAWINGS FOR SURFACE VEGETATION RL 4.10 EDGE OF BITUMEN
KERB
RET WALL CONCRETE INVERT
RET WALL SURFACE LEVEL 3.80
WALL SW STORM WATER MAIN
RET
RET
Outdoor Play 1
W WATER MAIN W
S SEWER MAIN S
500
WALL
4.6 T TELECOMMUNICATIONS
SANDY LOAM. TO SATISFY A U/G ELECTRICITY
1
E
27
HYDRAULIC CONDUCTIVITY OF
100
O/H ELECTRICITY
N
PROPOSED 3.0m WIDE
RE T
200mm / hr. II FENCE
200
2
14
PUBLIC THOROUGHFARE
COARSE SAND RET WALL RETAINING WALL RET WALL
FOOTPATH.
WALL
3.00 LANDSCAPE WALL
GRANULAR BACKFILL
15
3
USIL 4.15 TOP OF BATTER
4.4
150Ø SLOTTED uPVC PIPE
DSIL 3.96 WITH 1.5-2mm SLOTS (1.5m MAX FACE OF BATTER
16
RET
TOE OF BATTER
4
CTRS, 0.5% MIN. GRADE)
MAX. 1 IN 4 SWALE DRAIN
BATTER TYPICAL FILTER MEDIA DETAILS
17
WALL
ALONG KERB
300Ø
5
0.5% FALL
SCALE 1:20 ROOF AREA
18
6
RET
4.8
LANDSCAPE ROAD AREA
19
MEDIUM PARTICAL SIZE CONTENT/ SIEVE - % PASSING
7
SANDY LOAM COMPLIANT WITH 5 - 10 % ORGANIC
WALL
FAWB GUIDELINES pH 6.0 - 8.0
20
ROOF 200mm/hr HYDRAULIC LANDSCAPE AREA
ROAD
8
CONDUCTIVITY.
RET
21
COARSE SAND 1.0mm TYP. 1.4mm - 100%
BUILDING
4.6 9
1.0mm - 80%
FFL 5.00
WALL
0.7mm - 44%
0.5mm - 8.4%
10
STUB FOR HYDRAULIC GRANULAR 5mm
22
CONNECTION. BACKFILL
RET
11
TYPICAL.
600mm MIN. CUT OUT
WALL
23
IN KERB FOR BIO USIL 3.94
12
BASIN INLET. DSIL 3.86
4.2
24
4.4 13
S
0Ø
BIO BASIN.
30
AREA: 15 m2. USIL 3.84
25
REFER DETAIL DSIL 3.80 Outdoor Play 2
S
26
USIL 3.90
S
300Ø
DSIL 3.86
TREATMENT TABLE
FA
CATCHMENT IMPERVIOUS
4.8
LL
MUSIC NODE TREATMENT TYPE
AREA (Ha) AREA (%)
225
4.6
1
Ø
USIL 3.00 S
- ROOF 0.099 100
DSIL 2.90 4.4
S ROAD BIO RETENTION BASIN - 15m2 0.067 100
5Ø
S
37
4.2 LANDSCAPE 0.065 50
USIL 4.14 TOTAL 0.231
SW EX. 750 S 225Ø
Ø DSIL 3.92
LANDSCAPE
S
S
IL 2. W STORMWATER DISCHARGE TO S
4.8
W
88 EXISTING 1050Ø MANHOLE.
SW
4.6
SW S
S
SW
4.6
W
W S
SW
S BIO BASIN
W SW S
E E E
SW S
SW
S
HOF
W
W SW S S
MAN CARPARK
RP BDY
SW E
N DR HOFMANN
S
IVE SW
DRIVE
NATURAL
SURFACE
RL 4.55
SW
SW
W
E
S
W EX. RL 4.25 A 20.05.22 FOR APPROVAL KC LS
SW
ISSUE DATE AMENDMENT BY APP
W SW BIO BASIN SL 3.80
E LANDSCAPE COPYRIGHT: THIS DESIGN AND PLANS ARE NOT TO BE USED OR REPRODUCED
SW 1 IN 3 BATTER
W SW WALL WHOLLY OR IN PART WITHOUT WRITTEN PERMISSION OF MPN
0.80
SW SW CONSULTING PTY LIMITED 2018 ©
W
E RL 3.00
W
FILTER MEDIA. REFER
SW
W ABN: 39 062 191 799 P: 61 7 3335 4555
E TYPICAL DETAILS. 39 Sherwood Road, Toowong, Qld, 4066 E: [email protected]
W
W
CLIENT:
NOT FOR CONSTRUCTION
W BIO BASIN 1 SECTION 1 STOCKWELL DEVELOPMENT GROUP PTY LTD
SW
SCALE 1:50 -
SANCTUARY NOOSA CHILDCARE CENTRE
LOT 4 NOOSA
HOFMANN DRIVE
NOOSAVILLE, QLD 4566
0 0.2 0.4 0.6 0.8 1.0
STORMWATER TREATMENT PLAN
SCALE 1:20 (A1) 1:40 (A3)
0 0.5 1.0 2.0 2.5 DESIGN: KC DRAWN: KC SCALES: AS SHOWN
CHKD: APPRD: DATE:
SCALE 1:50 (A1) 1:100 (A3) mpn JOB DRAWING No. REV
0 2 4 6 8 10
9307 CP.1.01 A
SCALE 1:200 (A1) 1:400 (A3)
FOR APPROVAL
Page 25
EXISTING
LEGEND PROPOSED
PROPERTY BOUNDARY
EASEMENT
5.00 CONTOUR 5.00
BUILDING
CONCRETE
EDGE OF BITUMEN
KERB
RET WALL CONCRETE INVERT
RET WALL
WALL SW STORM WATER MAIN
RET
RET
Outdoor Play 1
W WATER MAIN W
S SEWER MAIN S
WALL
4.6 T TELECOMMUNICATIONS
U/G ELECTRICITY
1
E
27
O/H ELECTRICITY
N
RE T
II FENCE
2
14
RET WALL RETAINING WALL RET WALL
WALL
LANDSCAPE WALL
15
3
TOP OF BATTER
4.4
FACE OF BATTER
16
RET
TOE OF BATTER
4
SWALE DRAIN
17
WALL
5
18
6
RET
4.8
19
7
WALL
20
8
RET
21
4.6 9
WALL
BUILDING
10
FFL 5.00
22
RET
11
WALL
23
12
PROPOSED SEWER
CONNECTION.
4.2
24
4.4 13
S IL 2.20
25
Outdoor Play 2
S
EX
. 15
26
0Ø
S
4.8
4.6
S
4.4
S
S
4.2
SW EX. 750 S
Ø
S
SW S
4.8
W
SW PROPOSED WATER
CONNECTION 4.6
SW S
S
SW
4.6
W
W S
SW
S
W SW S
E E E
SW S
SW
S
HOF
W
W SW S S
MAN SW E
N DR
S
IVE SW
SW
SW
W
E
S
W A 20.05.22 FOR APPROVAL KC LS
SW
ISSUE DATE AMENDMENT BY APP
W SW
E SW
COPYRIGHT: THIS DESIGN AND PLANS ARE NOT TO BE USED OR REPRODUCED
WHOLLY OR IN PART WITHOUT WRITTEN PERMISSION OF MPN
W SW SW
SW CONSULTING PTY LIMITED 2018 ©
EXIS
W TING
WAT E
ER M
W AIN
SW
W ABN: 39 062 191 799 P: 61 7 3335 4555
E 39 Sherwood Road, Toowong, Qld, 4066 E: [email protected]
W
W
CLIENT:
NOT FOR CONSTRUCTION
STOCKWELL DEVELOPMENT GROUP PTY LTD
SANCTUARY NOOSA CHILDCARE CENTRE
LOT 4 NOOSA
HOFMANN DRIVE
NOOSAVILLE, QLD 4566
SERVICES CONNECTION PLAN
DESIGN: KC DRAWN: KC SCALES: AS SHOWN
CHKD: APPRD: DATE:
mpn JOB DRAWING No. REV
0 2 4 6 8 10
9307 SR.1.01 A
SCALE 1:200 (A1) 1:400 (A3)
FOR APPROVAL
Page 26
20 May 2022
Appendix 4
Bioretention Basin Maintenance Checklist
Excellence with Economy in Engineering 20
l:\9000-9999\9300-9399\9307\reports\20-05-22 stormwater management plan_issue a.docx
Page 27
20 May 2022
BIORETENTION BASIN MAINTENANCE CHECKLIST
Inspection Frequency 1 to 6 Monthly Date of Inspection
Location
Description
Asset ID
Site Visit by
Inspection Items Y N Actions Required (Details)
Sediment accumulation at inflow points?
Litter within basin?
Erosion at inlet or other key structures?
Traffic damage present?
Evidence of waste dumping?
Vegetation condition satisfactory (health,
weeds etc)?
Watering of vegetation required?
Replanting required?
Mowing required?
Clogging of drainage points (sediment or debris)?
Evidence of ponding?
Damage/Vandalism to structures present?
Surface clogging visible?
Filling of surface required?
Drainage System inspected?
Resetting of system required?
Excellence with Economy in Engineering 21
l:\9000-9999\9300-9399\9307\reports\20-05-22 stormwater management plan_issue a.docx
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