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6 Wyandra Street 20220078 Forde Property Stormwater Management Plan June 2022 [OCR of page images] a = Ot a0 6 Wyandra Street 20220078 Forde Property Stormwater Management Plan June 2022
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Document control record
Document prepared by:
RECOR Pty Ltd
ABN 89 647 469 707
37 Mary Street
Noosaville, QLD 4566
Australia
T +61 7 5211 1003
E [email protected]
W recorconsulting.com
A person using RECOR documents or data accepts the risk of:
a) Using the documents or data in electronic form without requesting and checking them for accuracy against the original hard
copy version.
b) Using the documents or data for any purpose not agreed to in writing by RECOR.
Document control
Report title Stormwater Management Plan
Document code 20220078-SWMP01 Project number 20220078
File path C:\12dS\data\RecorSYN\20220078 Safari St_484\03 Engineering\02 CIV\02 Reports\RECOR
Preliminary Stormwater Management Report - 20220078.docx
Client Forde Property
Client contact - Client reference -
Rev Date Revision details/status Author Reviewer Verifier Approver
(if required)
0 30/03/2021 Initial Version B. Parry N. Wagstaff
1 30/03/2021 Updated layout B. Parry N. Wagstaff
Current revision 1
Approval
Author signature Approver signature
Name B. Parry Name N. Wagstaff
RPEQ: 26443
Title Civil Engineer Title NSW Manager
recorconsulting.com
A 37 Mary St, Noosaville Qld 4566 E [email protected]
P +61 7 5211 1003
Page 3
Contents
Introduction..........................................................................................................................................4
Site Details ...........................................................................................................................................5
2.1. Existing Site Description & Drainage .................................................................................................. 5
2.2. Existing Drainage Patterns .................................................................................................................. 5
2.3. Proposed Development Drainage Pattern ......................................................................................... 6
2.4. Flood Considerations ........................................................................................................................... 6
Stormwater Quantity ............................................................................................................................7
3.1. Pre-Post Comparison .......................................................................................................................... 7
Stormwater Quality ........................................................................................................................... 10
4.1. Construction Phase ........................................................................................................................... 10
4.2. Operational Phase ............................................................................................................................ 11
Conclusion ........................................................................................................................................ 12
Appendices
Appendix A
Proposed Development Concept Plans
Appendix B
DRAINS Modelling Parameters and Results
Project number 20220078
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Page 4
INTRODUCTION RECOR has been engaged to prepare a Stormwater Management Report to accompany a development application for a residential duplex development located on the corner of Safari Street and Wyandra Street, Noosa Heads. This report investigates the stormwater management considerations for the existing and proposed development site and assesses how the run-off from the site is to be managed in accordance with Noosa Shire Council requirements for stormwater drainage. Project number 20220078 File RECOR Preliminary Stormwater Management Report - 20220078.docx, 2022-06-24 Page 4 of 15 Revision 1 P +61 7 5211 1003 A 37 Mary St, Noosaville Qld 4566 E [email protected] recorconsulting.com
Page 5
SITE DETAILS
2.1. Existing Site Description & Drainage
The existing site, known in real property terms as Lot 40 RP 139776, is located at 6 Wyandra Street having frontage
to both Wyandra Street and Safari Street. The existing site contains a residential dwelling with a site area of 598m².
2.2. Existing Drainage Patterns
The subject land falls typically south-west towards Wyandra Street at grades varying across the site. The natural
surface falls at between 20% to 30% along the site boundaries, however the centre of the site containing the existing
dwelling is flatter at approximately 10%.
The run-off from the site typically drains as overland surface flows towards the south-west where it is captured by the
stormwater infrastructure within the road reserve. Two existing kerb inlet pits within the road reserve are likely to
capture all run-off from the existing site.
Roof run-off is conveyed by downpipes below ground, and it is considered that a kerb adapter outlet observed in
the Safari Street frontage kerb is the discharge point for these pipes.
Due to the sloping nature of the site, run-off from the upstream adjacent properties to the north and east is expected
to drain across the subject site.
Figure 2.1 - Site Locality Plan (Noosa Council Intramaps, 2022)
Project number 20220078
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2.3. Proposed Development Drainage Pattern
2.3.1 Stormwater Concept
The internal stormwater drainage network will consist of a number of pits to provide collection points for upstream
run-off and enclosed courtyard areas draining under gravity to connect to the existing Council stormwater
infrastructure in Wyandra Street.
Roof run-off from the new building will be drained via downpipes into a stormwater attenuation tank. The tank is
sized to reduce the overall developed site flows to pre-development levels, ensuring discharge from the site
minimises any impact to the downstream environment.
The internal drainage will be conveyed and discharged into an existing kerb inlet pit on Wyandra Street as the lawful
point of discharge from the site.
The roof and allotment drainage system for the proposed site shall be designed to comply with:
1. Noosa Shire Council Planning Scheme Policy (PSP) - Engineering Design Standards – Roads, drainage and
earthworks;
2. The Queensland Urban Drainage Manual (QUDM); and
3. AS/NZS 3500.3:2015 - Plumbing and Drainage Part 3: Stormwater Drainage.
Refer to Appendix A Proposed Development Concept Plan for the proposed stormwater drainage layout plan
illustrating the concept described above.
2.4. Flood Considerations
Review of the Noosa Shire Council Intramaps flood layers including the Flood Hazards Overlay has identified that
the site is located outside of any flood or inundation areas within the locality indicating it is not expected that that
the proposed development will be subject to flooding.
Project number 20220078
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STORMWATER QUANTITY
3.1. Pre-Post Comparison
As the development proposes to increase the impervious area of the site by approximately 146m² (from 304m² to
450m²), there is likely to be an increase in peak flows from the site. The site has therefore been modelled using the
DRAINS software to assess the impact on peak flows, comparing the existing site conditions to the proposed
development.
In accordance with ARR2019, an Initial Loss-Continuing Loss (IL-CL) model has been used to assess the site against
the ensemble of storm temporal patterns for the East Coast North region. The loss parameters and temporal patterns
have been imported from the ARR Datahub, and rainfall intensities have been imported from the Bureau of
Meteorology IFD rainfall data allowing for a 20% increase to rainfall depths to account for future climate change
patterns.
The parameters obtained from the Australian Rainfall and Runoff (ARR) Data Hub for the location and the rainfall
IFD data obtained from the Bureau of Meteorology have been imported into Drains to generate the storm events.
The models have been run using the ensemble of storm events for 1EY, 50%, 0.2EY, 10%, 5%, 2% and 1% Annual
Exceedance Probability (AEP) for durations from 1 minutes to 24 hours to determine the critical storm duration and
the mean peak flowrate from the storms. Refer to Appendix B DRAINS Modelling Parameters and Results for details
of the parameters used and summary of the results from the modelling.
The model used to represent the development is shown below in Figure 3.1 – DRAINS model layout.
Figure 3.1 – DRAINS model layout
The configuration of the catchment areas for pre-development, post-development and split post development for
roofwater to an attenuation tank are shown in Figure 3.2 – DRAINS Pre-development catchment, Figure 3.3 – DRAINS
Post-development catchments and Figure 3.4 – DRAINS Split Post-development catchment respectively.
Project number 20220078
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Figure 3.2 – DRAINS Pre-development catchment
Figure 3.3 – DRAINS Post-development catchments
Figure 3.4 – DRAINS Split Post-development catchments
The results of the modelling against the range of design storms for the development under the existing and
proposed development conditions are shown in Table 3.1 Existing and proposed unmitigated site peak discharge
rates.
Table 3.1 Existing and proposed unmitigated site peak discharge rates
Wyandra Street
Qchange
A.E.P Qexisting Qproposed Qchange (%)
(m³/s) (m³/s) (m³/s)
1EY 0.016 0.018 0.002 13%
50% 0.019 0.02 0.001 5%
0.2 EY 0.028 0.03 0.002 7%
10% 0.036 0.036 0 0%
5% 0.041 0.041 0 0%
2% 0.047 0.047 0 0%
1% 0.051 0.052 0.001 2%
Project number 20220078
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As expected, the site has increased the total peak flows from the site for a number of storm events. Attenuation will
be required to mitigate the outflows to ensure that the development does not exceed the predevelopment levels to
minimise impacts to the downstream environment.
The mitigated post-development model splits the catchment into a roof area, which drains to an on-site detention
(OSD) tank, and the remainder of the site which is not attenuated. An iterative process was used to determine a
suitable configuration of storage volume, low-flow, and high flow pipe outlets for the OSD to deliver the required
reduction of the flow rates from the site.
The result of the iterative sizing process determined that the OSD storage will need to provide an attenuation
capacity of 4,000L for the proposed roof area with the maximum possible roof area to be plumbed to the tank. A low
flow outlet consisting of a 53mm orifice plate is to be provided the base of the tank, and a 100mm high flow outlet
at the head of the tank will provide discharge for larger storm events.
Using this mitigated development model, the proposed developed flows were again compared to the existing state
as shown below in Table 3.2 Existing and proposed mitigated site peak discharge rates.
Table 3.2 Existing and proposed mitigated site peak discharge rates
Wyandra Street
Qchange
A.E.P Qexisting Qmitigated Qchange (%)
(m³/s) (m³/s) (m³/s)
1EY 0.016 0.015 -0.001 -6%
50% 0.019 0.017 -0.002 -11%
0.2 EY 0.028 0.025 -0.003 -11%
10% 0.036 0.03 -0.006 -17%
5% 0.041 0.037 -0.004 -10%
2% 0.047 0.045 -0.002 -4%
1% 0.051 0.051 0 0%
As the total peak flows are equal to or below the existing site conditions for all storm events, the proposed OSD area
will provide the mitigation required for the peak flow storm events from the development.
Project number 20220078
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STORMWATER QUALITY
The following sections discuss the stormwater quality considerations for the construction and operational phase of
the development.
4.1. Construction Phase
4.1.1 Erosion and Sediment Control Measures
During construction, it is necessary to manage stormwater run-off to avoid potential contamination of downstream
waterways from sediments and other pollutants from the site. A range of best practice sediment and erosion controls
should be implemented on the development to ensure negative impacts to the downstream receiving environment
are mitigated.
As the area being developed is below 2,500m², the development’s construction will be managed using best practice
erosion and sediment control principles in line with the desired outcomes of Appendix 2 of the SPP (DERM, July
2017), which are shown below in Figure 4.1.
Figure 4.1 SPP 2017 Construction Phase Stormwater Management Design Objectives
A site-specific erosion and sediment control plan shall be prepared as part of a future submission for Operational
Works approval. Suitable erosion and sediment controls for the site may include:
1. Sediment fencing along downstream of the work areas within the site to prevent sediment from leaving the
construction area.
2. A shakedown area is to be installed at the construction entry/exit to the proposed development area to
minimise sediment being transported to and from
Project number 20220078 the site.
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3. Downstream pits within the road reserve are to be protected through filter socks or similar.
4. Diversion of upstream catchments around any exposed areas through the use of diversion drains around the
site.
4.2. Operational Phase
The development consists of a small lot duplex consistent in character with the existing residential dwelling. The
proposed development is not considered to significantly alter the pollutant generation potential of the site, and
therefore no additional stormwater quality treatment is proposed for the development.
Project number 20220078
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CONCLUSION
This Stormwater Management Report has outlined how the stormwater run-off from the site is to be managed to
comply with the relevant requirements and minimise any adverse impacts to the downstream catchments.
• The proposed site surface run-off is captured internally and discharge into the Council stormwater
infrastructure on Wyandra Street as the lawful point of discharge.
• Field inlet pits are provided within the development to capture upstream run-off and convey it through the
development.
• The existing and proposed development site have been modelled for the critical design storm events for the
site, which found attenuation would be required. Provision of a 4kL attenuation tank with a 53mm low flow
orifice and 100mm high flow outlet was found to provide mitigate the development such that there will be
no increase to existing peak flow discharges from the site for the modelled storm events.
• During construction, erosion and sediment control measures are to be implemented to minimise potential
contaminants impacting the downstream receiving environment in line with the objectives of Appendix 2 of
the SPP. An erosion and sediment control plan shall be developed as part of a submission for Operational
Works approvals.
• As the development is a small residential site that does not significantly alter the pollutant generating
characteristics of the site, stormwater quality treatment is not proposed for the development.
• The proposed stormwater solution is considered to minimise any adverse impacts to the downstream
environment arising from the stormwater run-off while also meeting the stormwater quality targets required
for the development.
Project number 20220078
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Appendix A Proposed Development Concept Plans Project number 20220078 File RECOR Preliminary Stormwater Management Report - 20220078.docx, 2022-06-24 Page 13 of 15 Revision 1 P +61 7 5211 1003 A 37 Mary St, Noosaville Qld 4566 E [email protected] recorconsulting.com
Page 14
MCU
NOT FOR CONSTRUCTION
RESIDENTIAL DUPLEX DEVELOPMENT
6 WYANDRA STREET, NOOSA HEADS, QLD 4567
Lot 40 RP 139776
CIVIL WORKS
GENERAL NOTES
1. ALL DIMENSIONS SHOWN ARE IN METERS UNLESS OTHERWISE SHOWN. 12. CONTRACTOR TO UNDERTAKE ALL WORKS IN ACCORDANCE WITH RELEVANT APPROVALS.
2. ALL SETOUT ON SITE IS THE SOLE RESPONSIBILITY OF THE CONTRACTOR. CONTRACTOR 13. CONTRACTOR TO ALLOW TO LIASE/CO-ORDINATE WITH ELECTRICAL, LANDSCAPE AND
TO ALLOW FOR ALL MEANS NECESSARY TO ACCURATELY SETOUT THE WORKS. OTHER SERVICE CONTRACTORS THROUGHOUT CIVIL CONSTRUCTION.
3. ALL WORKS TO BE CONSTRUCTED IN ACCORDANCE WITH PROJECT SPECIFICATIONS AND 14. CONTRACTOR TO ORGANISE ALL DEMOLITION PERMITS PRIOR DEMOLITION WORKS
WHERE FURTHER DETAILS ARE REQUIRED THE CONTRACTOR SHALL REFER TO NOOSA COMMENCING ON SITE.
SHIRE COUNCIL DEVELOPMENT GUIDELINES, LOCAL WATER AUTHORITY GUIDELINES, 15. CONTRACTOR TO ALLOW TO DEMOLISH ALL EXISTING STRUCTURES, ROADS AND
ASSOCIATED STANDARD DRAWINGS AND SPECIFICATIONS U.N.O. SERVICES WITHIN LIMIT OF WORKS AND REMOVE FROM SITE U.N.O.
4. EXISTING SERVICES HAVE BEEN PLOTTED FROM SUPPLIED DATA AND AS SUCH THEIR 16. CONTRACTOR TO UNDERTAKE DILAPIDATION REPORT FOR ADJOINING PROPERTIES AND
ACCURACY CANNOT BE GUARANTEED. NO RESPONSIBILITY IS TAKEN BY RECOR OR THE COUNCIL ROADS AND VERGES PRIOR TO COMMENCEMENT OF ANY WORKS ON SITE.
PRINCIPAL FOR THE ACCURACY AND COMPLETENESS OF THIS INFORMATION. IT IS THE
RESPONSIBILITY OF THE CONTRACTOR TO ACCURATELY ESTABLISH THE LOCATION AND 17. CONTRACTOR TO CLEAR AND GRUB ALL VEGETATION ON SITE AS IDENTIFIED IN THE
LEVEL OF ALL EXISTING SERVICES PRIOR THE COMMENCEMENT OF ANY WORKS. ANY APPROVED VEGETATION MANAGEMENT PLAN. CONTRACTOR TO ENSURE ALL TREE ROOTS
DISCREPANCIES SHALL BE REPORTED TO THE SUPERINTENDENT. CONTRACTOR TO AND STUMPS ARE COMPLETELY REMOVED AND BACKFILLED TO LEVEL 1 SUPERVISION.
LOCATE AND PROTECT SERVICES AS REQUIRED DURING PROPOSED WORKS. CONTRACTOR TO ALLOW TO MULCH ALL CLEARED VEGETATION AND STOCKPILE ON SITE
OR REMOVE FROM SITE AS DIRECTED.
5. THE CONTRACTOR IS TO CHECK THROUGH LOCATING, POTHOLING AND SURVEY ALL
CRITICAL CONNECTION POINTS FOR ALL CIVIL WORKS SHOWN ON THE DRAWINGS 18. DRAWINGS TO BE READ IN CONJUNCTION WITH THE FOLLOWING
INCLUDING ANY POTENTIAL EXISTING SERVICES CLASHES PRIOR TO COMMENCEMENT OF CONSULTANTS/CONTRACTORS DRAWINGS:
CIVIL WORKS. CONTRACTOR TO IMMEDIATELY REPORT ANY DISCREPANCIES TO RECOR SURVEYOR: NOOSA COOLOOLA LAND SURVEYORS PTY LTD
AND AWAIT FORMAL DIRECTION PRIOR TO COMMENCING CIVIL WORKS.
ARCHITECT: BLACKWOOD ARCHITECTURE & DESIGN
6. ON COMPLETION OF SERVICES INSTALLATION, ALL DISTURBED AREAS SHALL BE
RESTORED TO ORIGINAL LEVEL, INCLUDING KERBS, FOOTPATHS, CONCRETE AREAS, HYDRAULICS: TBA
GRAVEL AREAS, GRASSED AREAS AND ROAD PAVEMENTS. STRUCTURAL: RECOR
7. CONTRACTOR SHALL BE RESPONSIBLE FOR REPAIR OF ANY DAMAGE TO LANDSCAPE: BLACKWOOD ARCHITECTURE & DESIGN
AUTHORITY/COUNCIL'S INFRASTRUCTURE. SUCH REPAIR OR REINSTATEMENT TO BE
CARRIED OUT IMMEDIATELY TO THE SATISFACTION OF INFRASTRUCTURE 19. ALL WORKS TO BE UNDERTAKEN IN ACCORDANCE WITH ALL LOCAL AUTHORITY
OWNER/MANAGER / AUTHORITY/COUNCIL. APPROVALS RECEIVED FOR THE PROJECT
8. CONTRACTOR TO UNDERTAKE ALL WORKS IN ACCORDANCE WITH ALL WORKPLACE 20. NO WORKS ARE TO BE UNDERTAKEN ON LAND OUTSIDE OF THE SITE BOUNDARY WITHOUT
HEALTH AND SAFETY REQUIREMENTS. FORMAL APPROVAL BY THE OWNER/CUSTODIAN OF THAT LAND INCLUDING BUT NOT
LIMITED TO PRIVATE PROPERTY, ROAD RESERVE, PARKS/OPENSPACE, EASEMENTS..
9. WHERE ANY EXCAVATION OR CONSTRUCTION WORKS ARE TO BE IN CLOSE PROXIMITY TO
NEIGHBOURING LOT BOUNDARIES OR INFRASTRUCTURE, CONTRACTOR TO ALLOW IN
SCOPE OF WORKS TO PROVIDE ALL MEASURES NECESSARY TO ENSURE THE INTEGRITY
OF EXISTING BOUNDARIES AND INFRASTRUCTURE. THIS MAY INCLUDE THE USE OF LOW LOCALITY PLAN
VIBRATION EQUIPMENT, TRENCH SHORING ETC AS REQUIRED.
NOT TO SCALE
10. PRIOR TO THE CONTRACTOR COMMENCING ANY WORKS DETAILED ON THESE DRAWINGS,
THE CONTRACTOR IS TO NOTIFY RECOR AND RECEIVE WRITTEN CONFIRMATION THAT
WORKS CAN COMMENCE.
11. CONTRACTOR TO PROVIDE AS CONSTRUCTED DRAWINGS FOR ALL CONSTRUCTED WORKS 27/06/2022
IN ACCORDANCE WITH LOCAL GOVERNMENT REQUIREMENTS. UNLESS OTHERWISE
EA ID: 2557785
ADVISED BY RECOR CONTRACTOR TO NOTE COUNCILS ADAC REQUIREMENTS. RPEQ: 26443
DO NOT SCALE, IF IN DOUBT ASK!
B 24/06/22 UPDATE ISSUE FOR MCU BP NW
A 30/03/22 ISSUE FOR MCU BP NW
Rev Date Description By Chk
DRAWING SCHEDULE
DRAWING NUMBER DRAWING TITLE REVISION
C01 COVER SHEET AND LOCALITY PLAN B [email protected]
C10 EXISTING SITE SERVICES PLAN B 37 MARY ST NOOSAVILLE, QLD
07 5211 1003
C20 BULK EARTHWORKS PLAN B Client
C21 BULK EARTHWORK SECTIONS B FORDE PROPERTY
Project Name
C30 ROADS AND DRAINAGE LAYOUT PLAN B RESIDENTIAL DUPLEX DEVELOPMENT
6 WYANDRA STREET
C32 DRIVEWAY SECTIONS (1 OF 2) B NOOSA HEADS
C33 DRIVEWAY SECTIONS (2 OF 2) B Title
B COVER SHEET AND LOCALITY PLAN
C35 STORMWATER CATCHMENT PLAN
Project No. Discipline Status
20220078 CIVIL PRELIMINARY
Designed By Drawn By Scale
(at
BRP BRP 1:100 A1)
Drawing No. Revision
C01 B
Page 15
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37 MARY ST NOOSAVILLE, QLD
07 5211 1003
Client
FORDE PROPERTY
Project Name
RESIDENTIAL DUPLEX DEVELOPMENT
NOTE: 6 WYANDRA STREET
1. FOR GENERAL NOTES REFER DWG No. C01, WHICH IS TO BE REQUESTED AND VIEWED PRIOR 6. CONTRACTOR TO ALLOW TO DEMOLISH ALL EXISTING STRUCTURES, ROADS AND SERVICES NOOSA HEADS
TO COMMENCEMENT OF CONSTRUCTION IF NOT SUPPLIED. WITHIN LIMIT OF WORKS AND REMOVE FROM SITE U.N.O. NOTE:
Title
2. LOCATION AND DEPTH OF EXISTING SERVICES BASED ON SURVEY, DBYD AND COUNCIL 7. WHERE NECESSARY, CONTRACTOR SHALL OBTAIN ALL NECESSARY APPROVALS TO CARRY EXCEPT WHERE NOTED ON PLAN AND ASSOCIATED DESIGN DRAWINGS, ALL EXISTING SITE SERVICES PLAN
RECORDS. IT IS THE CONTRACTORS RESPONSIBILITY TO CONFIRM ACTUAL LOCATION AND OUT SERVICES RELOCATION OR ALTERATIONS. IN-GROUND SERVICES WITHIN THE PROPERTY BOUNDARY INCLUDING BUT NOT
LIMITED TO: STORMWATER DRAINAGE, SEWERAGE, WATER, GAS, ELECTRICAL
DEPTH PRIOR TO CARRYING OUT ANY EXCAVATION OR TRENCHING WORKS. AND COMMUNICATIONS TO BE SAFELY BE DISCONNECTED, REMOVED FROM
3. CONTRACTOR TO LOCATE AND PROTECT OR MAKE ARRANGEMENTS TO HAVE SITE AND CAPPED OFF AT SITE BOUNDARY. CONTRACTOR TO ARRANGE ALL
NECESSARY APPLICATIONS AND PERMITS WITH THE RELEVANT AUTHORITIES.
DISCONNECTED AND REMOVED ALL EXISTING SERVICES ON SITE PRIOR TO COMMENCEMENT SERVICES TO BE CAPPED IN ACCORDANCE WITH RELEVANT SERVICE
OF WORKS. PROVIDER SPECIFICATIONS AND STANDARD DETAILS
Project No. Discipline Status
4. ALL VEGETATION WITHIN THE LIMIT OF WORKS TO BE CLEARED, MULCHED AND REMOVED 20220078 CIVIL PRELIMINARY
FROM SITE OR IF SCHEDULED STOCKPILE FOR USE BY LANDSCAPER. Designed By Drawn By Scale
(at
BRP BRP 1:100
5. CONTRACTOR TO UNDERTAKE DILAPIDATION REPORT FOR ADJOINING PROPERTIES AND A1)
COUNCIL ROADS AND VERGES PRIOR TO COMMENCEMENT OF ANY WORKS ON SITE. Drawing No. Revision
C10 B
Page 16
MCU
NOT FOR CONSTRUCTION
N
EW CUT / FILL DEPTHS
Lower value Upper value Colour
BULK EARTHWORKS VOLUMES
CUT: 160.8m³ -1.4 to -1.3 m
t
ran
24.70 24.79
FILL: 57.3m³ -1.3 to -1.2 m
Hyd
BALANCE : 103.5m³ CUT -1.2 to -1.1 m
Fire
24.68
Sewer Manhole
25.46 -1.1 to -1.0 m
25.41
25 102°02 41
.77 '00
20.115 " RP139776
C
-1.0 to -0.9 m
24.7 26.35
3 TREE 0.1
50 805 -0.9 to -0.8 m
5
.2
A
24
25
26.83
24.00 .69
TREE 0.151004 27.0 Sewer
24.10 2
LIL 0.1 Line In
7
27.07 d icative -0.8 to -0.7 m
.5
3
50905
.7
26
9
26.60
Only (N
25
n
.2
rb
26.22
25
itume
26.69 ot Loc
f Ke
25.
52 26.09 ated b
3m
-0.7 to -0.6 m
5
27.
y Surv
.3
71 86
27.
26
2
ey)
EET
.8
7
ck o
3
of B
24
.4
2
26
24.17
0. Deck
-0.6 to -0.5 m
0
2
2
9m
41
.7
.9
24.4
26.
26
25
-
a
26.41
2
B
Edge
6
4
-0.5 to -0.4 m
-0.
.6
1m
a
26
25 26.
Telstr
.84 45
R
73
Pit
6
.4
23.57 -0.4 to -0.3 m
25
-0.
A
4
RA ST
.5
23.
24
67
-0.3 to -0.2 m
00"
26
26.150
.50
12°02'
-0.2 to -0.1 m
0
.5
9m
9
26
.4
27.
27
Deck Stairs
7
46
0.1
-0.1 to 0.0 m
8m
23.
3
071
69
23.22
0.5
3
Ramp
0
23.3 0.0 to 0.1 m
0.0
23
9m
NC
WYAND
23.27
POI
.98
5
.0
2
38
25
23.
.9
73
23
0.1 to 0.2 m
-0.
41
23.
23
8
9
.5
.65
.7
0.2 to 0.3 m
24
23
6
.1
26.1
26
Floor Level
9
74
.0
8
B
23.
2
27
00
.1
0.3 to 0.4 m
27
5m
RL26.19
23.
24
23.00
5
40 .349m
.35
0.4 to 0.5 m
0. 2
30.175 "
36
'00
24.
1
0.5 to 0.6 m
.34
.1
0m
25
23
0
192°02
25.25
.63
22.68
83
Deck
24
Co
0.6 to 0.7 m
-0.
06
137
nc
25.
ret
59
23. 2 .
5 19 0.7 to 0.8 m
RP160425
e
23.8
23.94
Dr
.23
6
.9
TBM (Screw in Kerb) .57
ive
26
25
B
7
22 3
RL22.58 AHD 26.5
wa
m
22.59
25
9Garage
5
y
26.85
.35
23.7
Stairs
23
Gully Pit
2
55
24.
.2
8
3
.2
1
0.
22.36
Level
24
2m
22.49
1
.35
.3
4
2
25
22
27/06/2022
.6
RL25.33
24
0
0.3
26
.47
26.
3
.4
24.9
25
m
37
19
EA ID: 2557785
22.25 22.36 RPEQ: 26443
23
6
0.2
25
.6
.7
07
22
.15
25.
5
32 5.69
DO NOT SCALE, IF IN DOUBT ASK!
4
.0
24.80
23
7°0 0
24.
94
13
2'0
22.21 EARTHWORKS NOTES
.
25
3
22.10 25.92
7
.2
22.97
.1
0"
25
26
23
.65 1. FOR GENERAL NOTES REFER DWG C01, WHICH IS TO BE REQUESTED AND VIEWED
PRIOR TO COMMENCEMENT OF CONSTRUCTION IF NOT SUPPLIED.
. 75
24
2. GRASS AND TOPSOIL SHALL BE STRIPPED TO A MINIMUM DEPTH OF 100MM OVER THE
8
.4
69
22.12 EXTENT OF THE WORKS UNLESS DIRECTED OTHERWISE AND STOCKPILED FOR FUTURE
22
23.72
.
24
USE AS NON-STRUCTURAL FILL IF REQUIRED, OR REMOVE FROM SITE.
22.0
0 22.08 23
0
.06 23.97 3. ANY PROPOSED RETAINING WALL WORKS MUST BE WHOLLY WITHIN THE PROPERTY B 24/06/22 UPDATE ISSUE FOR MCU BP NW
Valve
.8
Po
24
08 BOUNDARY OF THE SUBJECT SITE, INCLUDING REAR OF RETAINING WALL DRAINAGE A
22. we 23.37
30/03/22 ISSUE FOR MCU BP NW
282°02 CAP
78
r INFRASTRUCTURE FOR RETAINING WALLS IN CUT. Rev Date Description By Chk
.
24
21.98 po '00
16.090 "
it 22.09 le Telstra P 24.7 25.20 4. REFER ARCHITECT/LANDSCAPE ARCHITECT DRAWINGS FOR CONFIRMATION OF
y P .98
3 8
ll it 24.4 5.5
1
RETAINING WALL COLOUR AND FINISH.
Gu 21 2
22 5. ALL RETAINING WALL STRUCTURAL DESIGN IN ACCORDANCE WITH REQUIREMENTS OF
25
Fire Hydrant 25.
25 5
.0 22
Back 3
.1
.42 7
.4
0 MANUFACTURER AND/OR STRUCTURAL ENGINEER.
of Ker
5
22.
31
Edge b 6. ALL EARTHWORKS OPERATIONS SHALL BE CARRIED OUT WITH 'LEVEL 1' SOIL
of Bitu 23.58 ENGINEERING SUPERVISION IN ACCORDANCE WITH APPENDIX B OF AS 3798. T
men 24.82
SAFARI
7. FINISHED SURFACES TO ALL DISTURBED AREAS ARE TO BE TREATED IN ACCORDANCE [email protected]
23
.46 Sewer Manhole WITH LANDSCAPE DRAWINGS.
37 MARY ST NOOSAVILLE, QLD
STREET C
24.95 8. ALL NEW WORKS TO MATCH NEATLY INTO EXISTING.
9. ADEQUATE SAFETY FENCING/BARRIERS TO BE APPLIED TO ALL BATTERS OR RETAINING 07 5211 1003
24.8
5 WALLS (TEMPORARY OR PERMANENT) AS PER RELEVANT AUSTRALIAN STANDARDS AND Client
LEGISLATION. FORDE PROPERTY
10. ALL BATTERS TO BE KEYED/STEPPED INTO EXISTING MATERIAL AS DIRECTED BY Project Name
GEOTECHNICAL ENGINEER. CONTRACTOR TO ALLOW FOR ALL KEYING/STEPPING AS RESIDENTIAL DUPLEX DEVELOPMENT
REQUIRED. 6 WYANDRA STREET
11. ALL TEMPORARY AND FINAL BATTER SLOPES ARE TO BE INSPECTED AND APPROVED BY NOOSA HEADS
GEOTECHNICAL ENGINEER. CERTIFICATION OF LONG TERM STABILITY TO BE PROVIDED
BY GEOTECHNICAL ENGINEER PRIOR TO PRACTICAL COMPLETION. Title
12. CONTRACTOR'S RPEQ GEOTECHNICAL ENGINEER IS TO CONFIRM THAT ALL
BULK EARTHWORKS PLAN
CONSTRUCTED CUT/FILL BATTERS AND RETAINING STRUCTURES ON THE SITE HAVE
ACHIEVED ADEQUATE STABILITY WITH A LONG-TERM FACTOR OF SAFETY GREATER
THAN OR EQUAL TO 1.5 AGAINST GEOTECHNICAL FAILURES.
13. EARTHWORKS CUT/FILL DEPTHS SHOWN ARE APPROXIMATE INDICATING DEPTH FROM
EXISTING SURFACE TO FINISHED EARTHWORKS LEVEL INCLUSIVE OF TOPSOIL LAYER.
Project No. Discipline Status
REFER TO STRUCTURAL ENGINEERING DRAWINGS FOR BUILDING SLAB THICKNESSES 20220078 PRELIMINARY
CIVIL
AND HYDRAULIC DRAWINGS FOR SUB-FLOOR DRAINAGE FOR DETERMINATION OF
Designed By Drawn By Scale
REQUIRED BULK EARTHWORKS SURFACE. 1:100 (at
BRP BRP A1)
14. IT IS RECOMMENDED THAT A GEOTECHNICAL CONSULTANT BE CONTACTED TO
Drawing No. Revision
CONFIRM THE SOIL CONDITIONS AND ANY SITE SPECIFIC REQUIREMENTS PRIOR TO
EARTHWORKS COMMENCING. C20 A
Page 17
MCU
NOT FOR CONSTRUCTION
VIP RL 25.8
VIP RL 25.8
VIP RL 25.45
VIP RL 25.45
FINISHED SURFACE
LEVEL
VIP RL 24.277
VIP RL 25.8
VIP RL 25.8
VIP RL 25.45
VIP RL 25.45
FINISHED SURFACE
LEVEL
VIP RL 23.938
VIP RL 23.879
VIP RL 23.861
HORIZONTAL CURVE DATA HORIZONTAL CURVE DATA
VERTICAL CURVE LENGTH (m) VERTICAL CURVE LENGTH (m)
VERTICAL CURVE RADIUS (m) VERTICAL CURVE RADIUS (m)
VERTICAL GEOMETRY GRADE (%) -8.9%
-1.2% 3.8% 25.1% 0% 49.2% 0% 99.5% VERTICAL GEOMETRY GRADE (%) 25.5% 48.3% 0% 50% 0% 100%
VERTICAL GEOMETRY LENGTH (m) 0.461.46 2.04 6.03 5.88 0.71 6.27 1.93 VERTICAL GEOMETRY LENGTH (m) 6.88 2.43 6.77 0.7 7.68 0.93
DATUM RL = 20.700 DATUM RL = 19.400
FINISHED SURFACE LEVEL
22.804
24.277
25.450
25.450
25.450
25.800
25.800
25.800
26.751
27.593
FINISHED SURFACE LEVEL
23.920
23.879
23.861
23.938
25.450
25.450
25.450
25.800
25.800
25.800
EXISTING SURFACE LEVEL
22.804
24.277
24.854
25.017
25.314
25.337
25.678
26.751
EXISTING SURFACE LEVEL
23.995
24.194
24.536
25.666
25.667
26.402
26.457
26.579
26.568
27.593
26.64
CUT / FILL DEPTH CUT / FILL DEPTH
-0.840
-0.116
-0.333
-0.598
-0.216
-0.217
-0.952
-0.657
-0.779
-0.768
0.000
0.000
0.596
0.433
0.136
0.463
0.122
0.000
0.123
CONTROL LINE CHAINAGE
16.077
16.777
24.457
25.386
CONTROL LINE CHAINAGE
16.581
22.854
24.781
6.876
9.305
0.464
1.921
3.959
9.992
15.87
10
20
10
20
0
0
A3 SCALE: H 1:200, V 1:100 A3 SCALE: H 1:200, V 1:100
EARTHWORKS SECTION A-A EARTHWORKS SECTION B-B
27/06/2022
VIP RL 27.441
EA ID: 2557785
RPEQ: 26443
DO NOT SCALE, IF IN DOUBT ASK!
VIP RL 25.8
VIP RL 25.8
VIP RL 25.45
VIP RL 25.45
FINISHED SURFACE
LEVEL
VIP RL 24.118
VIP RL 24.043
HORIZONTAL CURVE DATA
VERTICAL CURVE LENGTH (m)
VERTICAL CURVE RADIUS (m)
B 24/06/22 UPDATE ISSUE FOR MCU BP NW
VERTICAL GEOMETRY GRADE (%) -2.2% 3.7% 25% 0% 49.9% -0% 98.7%-27%
VERTICAL GEOMETRY LENGTH (m) 1.99 2 5.33 5.95 0.7 16.51 1.660.18 A 30/03/22 NOT USED BP NW
DATUM RL = 20.900
Rev Date Description By Chk
FINISHED SURFACE LEVEL
24.043
24.118
25.450
25.450
25.450
25.800
25.800
25.800
25.800
27.441
27.392
24.094
EXISTING SURFACE LEVEL
24.439
24.702
25.171
25.202
26.081
26.194
26.023
26.619
26.664
27.441
CUT / FILL DEPTH
-0.395
-0.583
-0.631
-0.393
-0.223
-0.819
-0.864
0.279
0.248
0.000
[email protected]
CONTROL LINE CHAINAGE 37 MARY ST NOOSAVILLE, QLD
15.263
15.966
32.479
34.141
34.324
1.986
3.983
9.31
07 5211 1003
10
20
30
0
A3 SCALE: H 1:200, V 1:100 Client
EARTHWORKS SECTION C-C FORDE PROPERTY
Project Name
RESIDENTIAL DUPLEX DEVELOPMENT
6 WYANDRA STREET
NOOSA HEADS
Title
BULK EARTHWORKS SECTIONS
Project No. Discipline Status
20220078 CIVIL PRELIMINARY
Designed By Drawn By Scale
(at
BRP BRP AS SHOWN A1)
Drawing No. Revision
C21 A
The text continues on page 18.
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