Delegated Report - Code - Planning OPW20 0227 · OPW20/0227

Author	Coordinator Engineering, Mark Lewis
Development Assessment

APPLICATION DETAILS
Application No.	OPW20/0227
Applicant	Tim Ditchfield Architects
Proposal	Operational Works - Stormwater
Properly Made Date	26 November 2020
Information Request Date	15 December 2020
Information Response Date	16 December 2020
Decision Due Date	8 February 2021
Report Completed Date	6 January 2021
Report Reviewed By	Diogo Carrico

PROPERTY DETAILS
Property Address	43 Witta Cir Noosa Heads Qld 4567
RP Description	Lot 110 N 21845
Land Area	616.0000 m²
Existing Use of Land	Residential

STATUTORY DETAILS
SEQRP Designation	Urban Footprint
Zone	Low Density Residential
Precinct	Not Applicable
Local Plan Area	Not Applicable
Overlays	Acid Sulfate Soils, Flood
Assessment Type	Code
PROPOSAL
The application seeks approval for Operational Works - Stormwater.
The locality and proposal plan are included below.

Figure 1 – Locality

Figure 2 – Proposal Plan

site details
Background
The works are required to address a number of conditions in the associated development permit for building works (DBW20/0025). A Council stormwater drainage line extends through the property from Witta Circle to the canal. It is noted that no easement currently exists over the stormwater drainage line. The DBW includes the construction of a basement and as result of the excavation works the drainage line needs to be temporary realigned and then re-laid after the initial stabilisation works.
The submitted design includes:
a replacement pipe of 375dia RCP
features to convey overland flows from Witta Circle to the canal for those events which exceed the capacity of the underground drainage line.
Site Description
Low Density Residential
Surrounding Land Uses
Low Density Residential
assessment
Instruments for Statutory Assessment
Under the Planning Act 2016 the application must be assessed against each of the following statutory planning instruments to the extent they are relevant to the development:
State Planning Policy;
South East Queensland Regional Plan;
Planning Regulation 2017; and
Noosa Plan 2020.
Noosa Plan 2020
The following codes from the Noosa Plan 2020 are applicable to this development:
Existing Services Code
Water Quality and Drainage Code
The application has been found to generally comply with all applicable statutory instruments.
cONSULTATION
Referral Agencies
Not Applicable
Internal Council Referrals
The application was forwarded to the following internal Council officers for review and/or comment:
Design Office
conclusion & reasons for decision
The proposed development generally complies with the requirements of the planning scheme and does not raise any significant issues that cannot be addressed by reasonable and relevant conditions. The application is therefore recommended for approval.
The report is provided in accordance with Section 63(5) of the Planning Act 2016.
RECOMMENDATION
With regard to Application No OPW20/0227 for Operational Works - Stormwater situated at 43 Witta Cir Noosa Heads Qld 4567 and described as Lot 110 N 21845, it is recommended the application be approved in accordance with the following details for the Decision Notice:
application details
Application No:	OPW20/0227
Street address:	43 Witta Cir Noosa Heads Qld 4567
Real property description:	Lot 110 N 21845
Planning Scheme:	Noosa Plan 2020 (25 September 2020)
Decision details
Council decided to issue the following type of approval:
Development Permit for Operational Works - Stormwater
CURRENCY PERIOD of approval
The currency period for this development approval is stated in the conditions below.
assessment manager conditions
APPROVED PLANS
Development undertaken in accordance with this approval must generally comply with the approved plans of development. The approved plans are listed in the following table unless otherwise amended by these conditions.
Plan No.	Rev.	Plan/Document Name	Date
30086-C2.1		Stormwater Relocation prepared by SCG Consulting Engineers	December 2020
30086-C2.2		Stormwater Details prepared by SCG Consulting Engineers	December 2020
CURRENCY PERIOD
The Currency Period for this development approval lapses if the development has not substantially started by 6 January 2023, unless an application to extend the currency period is approved by Council.
SITE SPECIFIC CONDITIONS
PRIOR TO COMMENCEMENT OF WORKS
Engineering
Tree protection fencing must be installed under the supervision of the Project Arborist.  (Refer to Retention of Existing Trees Conditions)
All necessary approvals from external service providers (eg Unitywater) and external parties on which the development works are proposed have been obtained and a copy supplied to Council.
Copies of the approved plans, duly signed by the consultant Registered Professional Engineer of Queensland (RPEQ) must be provided to Council’s Engineering Officer Construction at the “pre start” meeting
A condition report including photographs of the frontage of the site must be completed and submitted to council at the prestart meeting / prior to any works commencing.
Certificates demonstrating currency of public liability insurance and works insurance covering the works must be submitted to Council prior to the prestart meeting.
Council must be contacted at least 5 working days prior to any works commencing to organise a prestart. The contact number to arrange a pre-start meeting is 5329 6500. The pre-start meeting must include the relevant parties for the following aspects of the works:
Civil engineering works;
Erosion and sediment control works;
Other relevant parties
A Construction Management Plan must be submitted to Council prior to the pre-start meeting and must specifically address the following:
Traffic Management during all aspects of the construct phase including:
A Traffic Management Control Plan in accordance with Manual of Uniform Traffic Control Devices (MUTCD) detailing all temporary signage and traffic control measures prior to construction
Maintenance of safe pedestrian access across the frontage of the site both during daily construction and after daily construction has ceased
Proposed fencing to the site during the construction phase of the development
Adequate parking arrangements for construction workers
No queuing of trucks is permitted on residential streets, especially prior to 7.00am. Further parked trucks must have engines turned off
Maintenance and protection of water quality and existing drainage lines through the construction site through the implementation of appropriate erosion and sediment control measures
Works programme identifying key components of the works and their respective durations
Establishment of a communication protocol with the general public, adjoining owners, emergency services and local businesses to advise of agreed construction times, impacts on traffic and services and other relevant issues
include a post out to the local residents advising of the proposed development, the expected time frames and the site contact details
identification of complaint management procedures including:
contact details for the on-site manager
dispute resolution procedures
details on the location of external dump/fill sites/, the haulage route, type of vehicle to be utilised during operations and frequency of usage.  NB any damage to the existing road system as a result of haulage operations shall be fully repaired at the applicant’s expense
Any changes to the details associated with the supervising RPEQ or Principal Contractor during construction, must be notified to council in writing within five business days of the change occurring.
Any conflict between the development and an existing or proposed service must be referred to the relevant service authority for determination prior to commencement of works.
DURING CONSTRUCTION
Engineering
The developer must meet any costs to repair damage to any Council asset during construction, where damage is a result of the development works. Damage to assets must be repaired immediately where it creates a hazard to the community. In circumstances where the damage does not create a hazard to the community, it must be repaired immediately on completion of the works associated with the development.
All works must be supervised by a Registered Professional Engineer of Queensland (RPEQ) who is independent of the Developer and Principal Contractor, and they must certify that all works conform to the Operational Works permit. Where municipal works are involved, such confirmation must be submitted for the respective hold points prior to any site inspection by Council Officers.
All works must be constructed and work procedure undertaken in accordance with:
The approved plans/documents and conditions detailed in this Decision Notice
The relevant conditions of the higher order approval viz. DBW20/0025 to which this approval relates
All relevant Noosa Council Planning Scheme Policies, standard drawings, standard specifications and guidelines
The latest version of the Healthy Waterways document “Water Sensitive Urban Design Technical Design Guidelines for South East Queensland” for all water quality devices to be constructed on site
Works within Road Reserve/Reinstatement
Safe pedestrian access on all streets in the vicinity of the development must be maintained at all times. Should footpath/road closures be necessary to carry out construction works, Council’s Engineering Officer must be notified prior to the proposed closure and all requirements complied with.
All works within the road reserve must match neatly with existing road and verge/footpath features. Additional works beyond the frontage may be required to provide an acceptable transition to existing road and verge/footpath profiles.
Electrical conduits or other services proposed to be installed within existing and proposed road reserves under existing sealed carriageways, concrete pathways, concrete/sealed driveways or significant vegetation must be installed by boring. Trenching is not permitted, unless specifically approved by Council.
Earthworks and Retaining Walls
All earthworks shall be undertaken in accordance with the provisions of AS 3798 Guidelines on Earthworks for Commercial and Residential Development
Stormwater Drainage
Appropriate scour protection must be provided at the outlet of all stormwater pipes including temporary outlets.
Works associated with this permit must not adversely impact on the existing drainage conditions on other properties.
Construction of all internal stormwater drainage works must comply with the relevant section/s of Australian Standard AS/NZS 3500.3.
Erosion and Sediment Control
Prescribed Water Contaminants (as defined in Schedule 9 of Environmental Protection Regulation 2008) must not be released from the site or to waters within the site, or be likely to be released should rainfall occur, unless all reasonable and practicable measures are taken to prevent or minimise the release and concentration of contamination.
Sediment and erosion control measures must be in place prior to works commencing. If such measures are not in place or are not satisfactory, “on the spot” fines may be issued. Such fines can be issued if sediments from the site are found to enter or have the potential to enter Council’s stormwater system, natural waterways, any downstream stormwater filtration system or adversely impacting on other properties.  The sediment and erosion control design and measures have NOT been approved, it is the site's Supervising Engineer who is responsible for ensuring that the sediment and erosion control measures have:
Been duly designed by an RPEQ or CPESC and constructed in accordance with "best practise" methods,
Been revised by an RPEQ or CPESC to address the issues raised by changes in the projected construction schedule and/or methods,
Been revised to address predicted rainfall events, and
Achieve the desired environmental outcomes.
Council may request further controls to be installed should the implemented measures be found inefficient.
The erosion and sediment control measures must be designed, installed and maintained in accordance with the supervising engineer instructions and the current best practice standards * (Refer to Advisory Note).
The developer must ensure non-essential exposure of soil is prevented by restricting the extent of disturbance and minimising the duration of soil exposure to adverse weather conditions and effectively turf, cover or stabilise any disturbed area without delay and prior to rainfall occurring.
The developer must ensure sediment does not leave the site or enter onto adjoining properties or Council’s drainage system due to surface runoff or on tyres of vehicles and/or machinery. It is essential to implement appropriate approved erosion and sediment control measures throughout the site during all phases of construction including vehicle shakedown pad/grid (or similar) at the access to the construction site. Where sediments or other contaminants are deposited on a road, they must be removed so as not to enter Council’s drainage system or waterways.
Prior to the completion of the development and commencement of use, all site surfaces must be effectively stabilised using methods which have achieved effective short-term stabilisation and which will continue to achieve effective stabilisation in the medium to long-term. For the purpose of this condition, an effectively stabilised surface is defined as one that does not, or is not likely to result in visible evidence of soil loss caused by sheet, rill or gully erosion or lead to sedimentation, or lead to water contamination.
Damage to Services and Assets
Any damage caused to existing services and assets as a result of the development works must be repaired at no cost to the asset owner at the following times:
where the damage would cause a hazard to pedestrian or vehicle safety, immediately; or
where otherwise, upon completion of the works associated with the development.
Any repair work which proposes to alter the alignment or level of existing services and assets must first be referred to the relevant service authority for approval.
FOLLOWING CONSTRUCTION / PRIOR TO COMMENCEMENT OF THE USE
Certification
Upon completion of the work a certificate must be issued by an RPEQ certifying that the works have been constructed in accordance with the Operational Works permit.
As Constructed Plans and ADAC XML Files (Council)
Prior to acceptance of civil works to become Council assets “On Maintenance”, satisfactory “As-Constructed” records must be submitted to Council. The bundle of “As Constructed” information shall include:
As-Constructed Engineering Drawings. Data is to be submitted in an electronic drawing file format (.dwg), with all plans clearly endorsed “As-Constructed”, along with the accompanying hardcopies (PDFs of the As-Constructed .dwg drawing files), and;
ADAC XML Digital File. ADAC File format (ADAC - Asset Design As Constructed) prepared in accordance with industry standards and recorded in “MGA - UTM56 / GDA94” projection.
Please Note: Further information and advice relating to the as-constructed drawing presentation, as-constructed survey capture and associated guidelines for preparation of a compliant ADAC XML digital file are available on the webpage titled “As-Constructed Guidelines” and accessible at the Noosa Council Website: Planning & Development / Development Tools & Guidelines / As-Constructed Guidelines.
The “As-Constructed” drawings will require certification by a:
Qualified experienced Civil Engineer (RPEQ) confirming design intent and conformance with applicable standards and specifications, along with the relevant descriptions of assets, services and structures and;
Licensed Surveyor in regard to the cadastral and locational information, levels and applicable survey datum.
The data must be in accordance with Council’s “Planning Scheme Policy 6 – Engineering Design Standards”, and fully detail the levels for all engineering works including but not limited to the drainage network and structures, finished ground and pavement surface levels.
On Maintenance
All municipal works must be accepted ‘On Maintenance’ by Council in accordance with Council’s relevant Planning Scheme Policy prior to the commencement of the use. To achieve ‘On Maintenance’, the supervising RPEQ must submit to Council:
certification that all works have been undertaken and completed in accordance with the requirements of this Permit
as Constructed details in accordance with Council’s Planning Scheme Policy
maintenance and operational manuals for all proprietary or site specific devices
The developer is responsible for the maintenance of all development works which are to become Council assets (includes civil infrastructure, landscaping) for a minimum period of 12 months or as otherwise advised by Council. This period will commence from Council’s formal acceptance of the development “on maintenance”.
The developer must submit a Maintenance Bond to Council to ensure the above works are maintained during this period. The maintenance bond must be:
5% of the agreed value of the development obligations; or
$1500, whichever is the greater amount.
Off Maintenance
Prior to requesting an Off Maintenance inspection the developer must provide a written request for the Off Maintenance inspection.
A re-inspection fee in accordance with Council’s Fees and Charge Register will be charged where:
a Council inspection reveals works do not comply with approval requirements
submitted certification falsely states works comply with approval requirements.
referral agencies
Not applicable.
Advisory notes
The following notes are included for guidance and information purposes only and do not form part of the assessment manager conditions:
General Advisory Notes
Council has undertaken an audit check of the Operational Works drawings in relations to the proposed works.  A detailed check of the calculations and drawings has not been undertaken, as they have been certified by a RPEQ. The RPEQ bears full responsibility for all aspects of the engineering design.  Council reserves the right to require further amendments and/or additions at a later date should design errors become apparent.
Council reserves the right to call up any performance bond held or levy charges against the property, should emergency works be required to be undertaken by Council to make the site safe due to inactivity on the development site for extended periods of time.
Should any changes or modifications to the approved plans be required as a result of construction constraints, a “Request to change an existing approval” under the Planning Act 2016 must be made. Amended plans clearly indicating the changes must be lodged with this application along with the appropriate fees.
Prestart, On and Off Maintenance Inspections Request
Contact Council on 5329 6500 to arrange a prestart or an inspection giving a minimum of 5 business days notice of preferred inspection time.
If Council officers are required to undertake additional inspections of the same works, a reinspection fee will be applicable in accordance with Council’s Fees and Charges register applicable at the time.
A minimum maintenance period of 12 months will apply to all municipal works and thereafter until such time as the works are performing in accordance with the approved design unless noted otherwise
Environmental Advisory Notes
The Environmental Protection Act 1994 states that a person must not carry out any activity that causes, or is likely to cause, environmental harm unless the person takes all reasonable and practicable measures to prevent or minimise the harm. Environmental harm includes environmental nuisance. In this regard persons and entities, involved in the civil, earthworks, construction and landscaping phases of this development are to adhere to their ‘general environmental duty’ to minimise the risk of causing environmental harm.
Erosion and Sediment Control
Accepted best practice standards include:
International Erosion Control Association Australasia Best Practice Erosion and Sediment Control document
As a general rule, a site is determined to have achieved effective short-term stabilisation if at the time of the final inspection:
Methods of stabilisation are:
appropriate for slopes and slope lengths; and
are consistent with best practice environmental management practices such as in the Manual for Erosion and Sediment Control or the IECA Manual; and
Stormwater runoff from the site is not currently, and is not likely to result in visible evidence of sedimentation or erosion, or lead to water contamination.
If at the time of the final inspection, the method of short-term stabilisation has not achieved a level of stability that Council's Officers believe will have a high probability of achieving long term stability, Council Officers may take the following matters into consideration in determining whether the site is capable of achieving medium to long-term stability:
evidence that the site has been effectively stabilised in the short term;
evidence that soil has been adequately ameliorated;
evidence that seed of annual and perennial grass species has been applied at an adequate rate; and
that grass seed has germinated at a density that is likely to achieve an effective grass cover.
Aboriginal Cultural Heritage Act 2003
There may be a requirement to establish a Cultural Heritage Management Plan and/or obtain approvals pursuant to the Aboriginal Cultural Heritage Act 2003 (ACH Act).
The ACH Act establishes a cultural heritage duty of care which provides that: “A person who carries out an activity must take all reasonable and practicable measures to ensure the activity does not harm Aboriginal cultural heritage”. It is an offence to fail to comply with the duty of care. Substantial monetary penalties may apply to individuals or corporations breaching this duty of care. Injunctions may also be issued by the Land and Resources Tribunal, and the Minister administering the ACH Act can also issue stop orders for an activity that is harming or is likely to harm Aboriginal cultural heritage or the cultural heritage value of Aboriginal cultural heritage.
You should contact the Cultural Heritage Unit to discuss any obligations under the ACH Act.
property notes
Not applicable.
VARIATION approval details
Not applicable.
further development permits required
Not applicable.
submissions
Not applicable.
RIGHTS OF APPEAL
You are entitled to appeal against this decision. A copy of the relevant appeal provisions from the Planning Act 2016 is attached.
During the appeal period, you as the applicant may suspend your appeal period and make written representations to Council about the conditions contained within the development approval. If Council agrees or agrees in part with the representations, a negotiated decision notice will be issued. Only one negotiated decision notice may be given.
OTHER DETAILS
If you wish to obtain more information about the decision, electronic copies are available on line at www.noosa.qld.gov.au or at Council Offices.

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DEVELOPMENT ASSESSMENT DELEGATED REPORT

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