August, 2006 Page 48
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| POLICY No 7 POLICY No 7 LANDSCAPING
August, 2006 Page 48
The intent of this Policy is to specify landscaping procedures, design requirements and a Plant Species Schedule for developments which have landscaping requirements. This Policy should be read in conjunction with the Landscaping Code and other relevant parts of the Planning Scheme.
The objectives of this Policy are: • to ensure high quality landscaping throughout the Shire; • to provide for a distinctive landscape character to develop in different Localities throughout the Shire; and • to establish guidelines which ensure high quality landscaping is provided and maintained as an important visual element which contributes to the landscape integrity of the Shire.
This Landscaping Policy incorporates the following:
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• Minimum Design Requirements for Development • Minimum Design Requirements for Reconfiguring a Lot • Landscape Zones in the Douglas Shire • Plant Species Schedule Information to be Provided
Detailed Landscape Plans prepared by a suitably qualified professional drawn to scale, are to be submitted to the Council for assessment prior to the issue of a Building Permit. However, in the case of developments which are Code assessable or Impact assessable, a Landscape Plan is to be submitted with the Development Assessment Application. The Landscape Plan is to address the requirements set out in the Landscaping Code and to include:
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• vegetation to be retained and necessary protective measures; • any vegetation proposed to be removed; • existing and proposed surface levels;
August, 2006 Page 49 • location of hard and soft landscaped areas; • the indicative location, number, size and species of plants; and • a Statement of Intent outlining the intent of each element of the Plan. It is accepted that some of the above details may alter during the development and assessment stage.
The final Landscape Plan submitted prior to the issue of a Building Permit should include the following:
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• vegetation to be retained on site and necessary protective measures; • any vegetation proposed to be removed from the site; • existing contours; • finished surface levels; • details of temporary protective drainage and slope stabilisation measures; • details of the location of underground and overhead services; • a Statement of Intent outlining the intent of each element of the Plan; • a Maintenance Schedule, referred to below. For Hardscape
• paving; • walls; • fences;
• structures; • pools;
• water features; • recreation facilities; • irrigation system including backflow prevention, filtration details and method of drainage.
• proposed plant materials including species (both scientific and common name), numbers and details of the minimum size at planting; • details of preparation and mulching of planting bed; • detailed turfing and edging treatments; • details of the proposed Maintenance Schedule as referred to below; • details of the height and spread of the proposed species at 2 and 5 years from planting; • endemic or native species to be planted suitable to the area; and • details of the costs for the proposed softscape component.
August, 2006 Page 50 Maintenance Schedule A Maintenance Schedule is required to detail the specified time periods and work required for routine maintenance over a period of a year once the landscaping has been established. The Maintenance Schedule should outline requirements and details of pruning, trimming, weeding, re-mulching and restructuring of plants.
Outlined below are the minimum design requirements for any development proposed in the Douglas Shire. These requirements should be read in conjunction with the Landscaping Code and the Performance Criteria and Acceptable Solutions of the particular Planning Area and Locality and, if relevant, the applicable Land Use Code.
• Wherever possible, existing native vegetation on site is to be retained, incorporated into the site design and protected during works. Mature vegetation on site is retained wherever possible to provide shade and screening from adjoining properties, and enhance the new development.
• Existing native plant species characteristic of the area are to be included in the landscape design.
• Landscaping is to provide a buffer or screening between adjoining developments with dense planting, with consideration given to location of window openings, private open space and service areas, such as bin enclosures.
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Densities are to be as follows:
- Trees up to 3 metre centres in landscape buffer/screen planting areas and up to 6 metres in other areas; - Shrubs up to 1.5 metre centres; and - Groundcovers up to 0.6 metre centres.
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out below specifically for the following Localities:
- Mossman and Environs: 60% of the total proposed species are endemic or native species. - Port Douglas and Environs: 60% of the total proposed species are endemic or native species. - Coastal Suburbs, Villages and Townships: 60% of the total proposed species are endemic or native species.
And in all Localities 75% of dense planting is to be endemic or native species, and palms used as accent plants only unless a greater percentage is specified in the Locality Code.
August, 2006 Page 51 • Reticulated irrigation systems are to be in accordance with Australian Standards. • Soil preparation is to be in accordance with landscaping best practice, including high quality soil mix, slow release fertiliser or manure and high quality mulch.
Existing on site native vegetation should be taken into account in the reconfiguration design and wherever possible should be retained. Native vegetation significantly enhances the character and visual appeal of an area as well as providing an established habitat for local wildlife. The root system of existing vegetation to be retained on site during development should be protected as much as possible to the drip system and by a root curtain or sheet piling.
The designation of parkland should incorporate stands of existing native vegetation in order to preserve the vegetation and improve the amenity of the area.
Views are an important feature within any proposed development. A reconfiguration layout should maximise the opportunities presented by the natural setting. This may be achieved by:
• preserving existing views; • enhancing existing views eg. by screen planting to screen adjacent buildings; • creating views into and out of the subdivision eg. by tree planting to frame vistas, by removing unwanted structures; • encouraging viewing areas, and providing for connectivity using bike paths/walking trails. Street Tree Planting Shaded, tree lined streets can significantly add to the amenity of an area, for example:
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• create and reduce heat and glare from the road pavement; • provide shade for parked cars during the summer months; • native flowering trees can provide a source of food and shelter for insects, birds and animals. It is the Council’s intention to promote the value of the streetscape by ensuring that street trees are planted as part of the development process. In order to ensure a well balanced workable, and low maintenance landscape, all street tree planting should conform to the minimum standards listed below:
August, 2006 Page 52
An avenue of trees of identical species and size planted at regular intervals has far greater visual and aesthetic impact than a mismatched selection of incompatible trees. In order to promote continuity in new streetscapes, a single species should be nominated for each street. Where a development is occurring in an established street setting, an assessment of the existing street trees should be made, and the most prevalent, healthy and appropriate species chosen for footpath planting.
Tree species should be selected for their suitability to the site conditions eg. small trees under power lines, drought resistance, soil suitability, refer to the Plant Species Schedule.
To ensure consistency in growth rate and form all new street trees are to be no less than 2 metres in height and should be well established in their root and branch formation. A minimum 25 litre container should ensure a good survival factor.
• Tree canopies at maturity are not to be within 4.0 metres of electricity or telephone poles or pillars.
• Tree canopies at maturity are not to be within 7.5 metres of street lights, to ensure effective street lighting.
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lines.
• Trees are to be planted at 5 metre centres under power lines and generally 8-12 metres elsewhere to achieve an effective design.
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kerbs.
• Trees are to be placed a minimum of 3 metres from any driveway.
• At intersections, trees are to be placed a minimum of 10 metres back from the face of the kerb of the adjoining street.
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• Trees are to be located so as not to obstruct pedestrian or vehicular traffic, nor create a traffic hazard or cause damage to existing trees.
• Trees are not to be within 2 metres of a side entrance stormwater pit.
August, 2006 Page 53 Landscape Zones in the Douglas Shire
The Douglas Shire can be separated into three distinct landscape zones based on natural vegetation associations of a similar visual character. There is no precise delineation between zones and an individual assessment of each site in the vicinity of the boundaries between zones should be made. The zones are:
The areas of Port Douglas and the coastal communities have their own unique landscape identities, with a mix of coastal and eucalyptus vegetation, melaleuca swamp communities as well as altered landscapes surrounding existing residential and tourist developments, comprising of endemic, native and exotic species. This area incorporates Port Douglas, Oak Beach, Cooya Beach, Newell Beach, Wonga Beach and Wangetti.
This area is characterised by closed forest types (rainforest) on heavier clay loam soils to the west of the coastal communities. The area incorporates rainforest, riparian forest (vegetation along creeks) and regrowth forest.
This area is characterised by closed forest occurring on a variety of soil types and incorporates Cape Kimberley, Cow Bay, Cape Tribulation and areas to the east and west of Cape Tribulation Road.
The Plant Species Schedule provides a list of endemic and native species suitable for use in landscaping projects in each of the Landscape Zones. The street tree list also identifies street trees for use in the Douglas Shire.
In preparing Landscape Concept Plans and final Landscape Plans, selections from the Plant Species Schedule can be supplemented by other species. For more information regarding species selection consult the Parks and Gardens Section of the Douglas Shire Council.
August, 2006 Page 54
Port Douglas and Coastal Communities Botanical Name Common Name Height at Maturity Suitable as a Street Tree Suitable Under a Powerline Abelmoschus moschatus subsp. tuberosus
Cover No Yes Abutilon auritum
Acacia falciformis
Acacia hylonoma
No Acacia leptocarpa Swamp Wattle 6m Yes No Acacia leptoloba
Acacia leptostachya
Yes Acacia pubirhachis
Acacia racospermoides White-barked Wattle 3-5m Yes No Acacia simsii
Acalypha lyonsii
Acanthus ilicifolius Holly-leaf Mangrove
Blush Satinash 6-10m Yes No Acmena smithii Lillipilli 2-6m Yes No Acmena sp. Mt. Misery
No Acrostichum aureum
Acrostichum speciosum Mangrove Fern 1-2m No Yes Adenanthera pavonina False Red Sandalwood
No No Adiantum atroviride Maidenhair Fern Ground Cover No Yes Adiantum hispidulum Maidenhair Fern Ground Cover No Yes Aglaia elaeagnoidea Coastal Aglaia 6-8m Yes No Aidia racemosa Wild Randa 6-8 Yes No Aidia sp. Gap Creek
Alchornea ilicifolia
Alchornea thozetiana
Alectryon connatus Alectryon 6-8m Yes No Alectryon tomentosus Woolly Rambutan 6-8m Yes No Allocasuarina littoralis Black She Oak 3-8m No No
August, 2006 Page 55 Botanical Name Common Name Height at Maturity Suitable as a Street Tree Suitable Under a Powerline Alocasia brisbanensis
Yes Alpinia arctiflora Native Ginger 1-2m No Yes Alpinia caerulea Common Ginger 1-2m No Yes Alpinia hylandii Native Ginger 1m No Yes Alpinia modesta Native Ginger 1m No Yes Alyxia ruscifolia
Amomum dallachyi
Yes Amorphallus galbra
Yes Amphineuron terminans
Yes Antidesma bunius Herbert River Cherry
Native Currant 6-8m Yes No Antidesma parvifolium
Aphananthe philippinensis Native Elm 2-5m No No Archidendron grandiflorum Laceflower Tree 3-6m Yes No Archidendron hendersonii White Laceflower 3-5m No No Archidendron lucyi Scarlet Bean 5-8m Yes No Archirhodomyrtus beckleri Rose Myrtle 2-3m No Yes Archontophoenix alexandrae Alexandra Palm 6-8m Yes No Arenga australasica Arenga
6-8m No No Argophyllum lejourdanii
Argophyllum sp. Koolmoon Creek
Yes Argophyllum verae
Yes Argusia argentea
Aryterya divaricata Rose Tamarind 5-6m Yes No Aryterya paucifolia Pink Tamarind 2-3m No Yes Asplenium australasicum Bird’s Nest Fern 1m No Yes Asplenium nidus Bird’s Nest Fern 1m No Yes Asteromyrtus angustifolia
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