PUBLIC TRANSPORT SERVICES TECHNICAL STANDARD PART … · 2013. 8. 19. · 1. General 2. Reference...
Transcript of PUBLIC TRANSPORT SERVICES TECHNICAL STANDARD PART … · 2013. 8. 19. · 1. General 2. Reference...
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PUBLIC TRANSPORT SERVICES
TECHNICAL STANDARD
PART 129018
STATIONS – LANDSCAPING
AR-PW-PM-SPE-00129018
(D078)
and THINK
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Public Transport Services Engineering Management System Technical Standard AR-PW-PM-SPE-00129018
K-Net Doc: 5414953 (Word copy - 5132060) UNCONTROLLED COPY WHEN PRINTED Revision No.: 2 Issue Date: July 2013 Doc. Owner: Director Asset Management Page 2 of 14
Document Control
DOCUMENT STATUS
DOCUMENT AMENDMENT RECORD
Rev Change Description Date Prepared Reviewed Autho rised
0 Initial Issue 28 Feb 11 Josh Ward Doug Gillott Rob Taverner
1 Changes in various sections July 12 Kuldeep Zala Keith Charlton Rob Taverner
2 Document number change July 13 Kuldeep Zala Keith Charlton Rob Taverner
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Public Transport Services Engineering Management System Technical Standard AR-PW-PM-SPE-00129018
K-Net Doc: 5414953 (Word copy - 5132060) UNCONTROLLED COPY WHEN PRINTED Revision No.: 2 Issue Date: July 2013 Doc. Owner: Director Asset Management Page 3 of 14
Contents
1.0 INTRODUCTION .......................................................................................................... 4
1.1 PURPOSE......................................................................................................................... 4
1.2 SCOPE.............................................................................................................................. 4
2.0 ANNEX A – TECHNICAL STANDARD – STATIONS – LANDSCAPI NG ...................... 5
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Public Transport Services Engineering Management System Technical Standard AR-PW-PM-SPE-00129018
K-Net Doc: 5414953 (Word copy - 5132060) UNCONTROLLED COPY WHEN PRINTED Revision No.: 2 Issue Date: July 2013 Doc. Owner: Director Asset Management Page 4 of 14
1.0 INTRODUCTION
The Department of Planning, Transport and Infrastructure (DPTI) Public Transport Services Division (PTS) owns and operates the Adelaide Metropolitan Passenger Rail Network (AMPRN). There are approximately 85 stations serving the AMPRN. The significant number of stations means that the process of upgrading or renewal is continuous. In order to both economise on design and construction effort and costs and enhance the passengers’ experience a set of common design and construction technical standards for stations has been developed.
Because the set of station standards is primarily used within the contract administration process the technical standards documents must be aligned with both the DPTI wide Master Specification and the PTS engineering management system.
The document attached at Annex A, Technical Standard – Stations – Landscaping, is one of the set of station standards.
1.1 PURPOSE
The purpose of this Technical Standard is to outline the design requirements for landscaping at the station precinct.
1.2 SCOPE
This Technical Standard applies to all PTS projects and contractor organisations designing, constructing or maintaining passenger stations on the AMPRN.
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Public Transport Services Engineering Management System Technical Standard AR-PW-PM-SPE-00129018
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2.0 ANNEX A – TECHNICAL STANDARD – STATIONS – LANDSCAPING
CONTENTS 1. General 2. Reference Documents 3. Design Requirements – General 4. Design Requirements – Sustainability 5. Design Requirements – Management 6. Design Requirements – Safety 7. Records Appendix 129018.1 Selected Vegetation Appropriate for Landscaping Planting Appendix 129018.2 Summary of Maintenance Requirements for Vegetative Strata 1. GENERAL This Part specifies the requirements for the design of landscaping at Railway Stations on the Adelaide Metropolitan Passenger Rail Network (AMPRN). Definitions: “Biodiversity” means the variability among living organisms from all sources including diversity within species and between species and the diversity of ecosystems (Planting Indigenous Species Policy POL v00-011 Oct 03.doc). “Exotic Vegetation” means non-native plant species. “Indigenous Species” means plants of a native plant species from their known natural ranges within SA (Planting Indigenous Species Policy POL v00-011 Oct 03.doc). “Native Vegetation” means a plant species that is indigenous to Australia or an external territory (EPBC Act, 1999). “Riparian Vegetation” means vegetation growing on the banks (ephemeral zone) of a water body. “Significant Trees” as defined under the Development Act 1993. 2. REFERENCE DOCUMENTS
OWNER DETAILS / PART SA Government The Native Plants of Adelaide (2005), Bagust, P. and Tout-Smith, L. SA Government Rural Solutions (2004) Planting Guidelines for the Adelaide Metro Rail Link SA Government Development Act 1993 (Attorney- General’s Department) SA Government The Natural Resources Management Act 2004
SA Government Planting Indigenous Species Policy (2008). Dept for Environment and Heritage. Available online at http://www.environment.sa.gov.au/biodiversity/legislation.html
SA Government DWLBC Declared Plant List Under the NRM Act (May 2008) http://www.dwlbc.sa.gov.au/biodiversity/apc/projects/weeds/plants_list.html
SA Government DPTI Weed List – based on the Declared Plants list under the NRM Act (1072172)
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Public Transport Services Engineering Management System Technical Standard AR-PW-PM-SPE-00129018
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3. DESIGN REQUIREMENTS - GENERAL All railway station upgrades shall incorporate landscaping of the station footprint, featuring local native plants that enhance the amenity, provide sustainable landscape management outcomes, incorporate Water Sensitive Urban Design (WSUD) and Crime Prevention through Environmental Design (CPTED) principles wherever possible, and consider local environmental needs whilst also accommodating relevant statutory requirements. A station footprint includes platforms, links to the nearest council footpath and in some cases bus interchanges and car parks. 4. DESIGN REQUIREMENTS - SUSTAINABILITY 4.1 Soil Preparation Soil preparation shall occur where conditions are not suitable for the establishment of vegetation, as per DPTI Master Specification, Part 502 “Earthworks and Topsoiling”. Organic content shall be raised where appropriate, particularly for sandy soils, by using sterile compost. Gypsum is recommended for heavy clay soils. Soil preparation shall include deep ripping to improve drainage. Removal and replacement of topsoil may be required for sites where weed seeds are likely to persist. Soil preparation shall occur prior to the planting season for most plant species, which is between March and September. 4.2 Water Sensitive Urban Design (WSUD) Water sensitive urban design principles shall be adopted to improve the quality of storm water run-off from non-permeable surface areas and to reduce the demand on mains water for landscape maintenance. Refer to Protecting Waterways Manual web link: http://www.dpti.sa.gov.au/standards/environment Refer to Water Sensitive Urban Design for Greater Adelaide web link: http://www.planning.sa.gov.au/go/wsud
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Public Transport Services Engineering Management System Technical Standard AR-PW-PM-SPE-00129018
K-Net Doc: 5414953 (Word copy - 5132060) UNCONTROLLED COPY WHEN PRINTED Revision No.: 2 Issue Date: July 2013 Doc. Owner: Director Asset Management Page 7 of 14
4.3 Regional Planting Suitable indigenous vegetation shall be selected from the four Adelaide metropolitan regions shown in Figure 4.3. The regions generally incorporate the following lines:
FIGURE 4.3- ADELAIDE METROPOLITAN REGIONS
4.4 Planting for Appropriate Soil Types Where planting is to occur in existing undisturbed soils, vegetation shall be chosen according to soil types associated with the particular station site. Soil types in the greater Adelaide metropolitan region range from uniform, sandy loams to red duplex soils with a clay horizon. The Outer Harbour, Grange, Tonsley and Gawler lines all pass through sandy loam soil, as well as the northern sections of the Noarlunga and Belair lines. The southern sections of the Noarlunga and Belair lines feature soils with a greater clay content. Soil testing for all existing and imported soils shall be undertaken to establish the soil type. 4.5 Planting Indigenous Species Policy Indigenous species shall be chosen for planting, in line with the Planting Indigenous Species Policy (Department for Environment and Heritage, 2003). This policy applies to “all land under the direct management of the Government of South Australia (including Crown and Freehold Land managed through its Departments, enterprises and statutory authorities)”. This policy was implemented primarily to “promote the
NORTHERN REGION
SOUTHERN REGION
WESTERN REGION
ADELAIDE
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Public Transport Services Engineering Management System Technical Standard AR-PW-PM-SPE-00129018
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use of plants adapted to the South Australian environment” and supports WSUD principles by encouraging the selection of plants with minimal maintenance requirements, including irrigation. 4.6 Other Planting Options Railway stations and adjacent car parking areas throughout the metropolitan rail routes have different natural physical features. Subsequently, different styles of planting are required for each station. Planting options shall incorporate riparian vegetation to occupy swales and depressions where runoff water will pool. Riparian vegetation adds diversity to landscape plantings and will assist in preventing excess pooling of runoff water and potential associated erosion. Where natural slopes occur with the potential to generate excess runoff, artificial swales and undulations shall be included in landscape planning to assist with the collection of runoff. Implementation of these principles shall also complement other WSUD principles that are implemented at stations and car parking areas. 4.7 Hard Landscaping Options Hard landscaping options shall be considered where it is impossible to establish plants or plantings which would meet CPTED principles. Permeable paving shall be used in situations where hard surfaces are required adjacent to mature trees. DPTI Master Specification Part 550 “Permeable Paving for Trees”, includes the use of porous concrete, aggregate bonded with Terrabond, Boral Hydrapave and standard paving. In locations where vegetation is difficult to establish large rocks can be incorporated into the landscape to provide a visual interest. Rocks shall be large enough such that they cannot be used as missiles. 5. DESIGN REQUIREMENTS - MANAGEMENT 5.1 Non Native Plants Unless they are significant trees (and are bound by planning legislation), it is appropriate to remove weeds and weedy vegetation as it is undesirable and often limits local biodiversity as well as detracting from visual amenity in public spaces. The Natural Resources Management Act 2004 requires management of weeds that are listed as South Australian Declared Plants. Management of weeds shall also occur in line with DPTI Master Specification Part 548 “Herbaceous and Woody Weed Control” and Part 545 “Bush Care”. 5.2 Weed Management Control of weeds shall occur as per DPTI Master Specification Part 548 “Herbaceous and Woody Weed Control”. A pre-planting herbicide spraying regime with a minimum of two applications, with spot spraying shall be included as part of the post planting maintenance regime. Thoughtful planting of indigenous ground-storey vegetation will also assist in the suppression of weeds, especially if plants with fast growing, spreading forms are selected. Timber mulch, in particular recycled pine timber waste shall also be used to suppress weeds at railway stations and car parking areas. Use of recycled mulch materials assists with maintaining the overall sustainability of new landscapes throughout station and car parking sites. 5.3 Maintenance Maintenance shall occur as per DPTI Master Specification Part 560 “Maintenance of Plants” for the period of two (2) years following Practical Completion of the project. Monthly maintenance shall occur throughout the first year after planting to encourage better establishment of vegetation and reduced weed growth. Bi-monthly maintenance shall occur after the first year to manage weeds and litter and to maintain irrigation systems. Follow-up maintenance at stations shall occur once plants are established to maintain integrity of the built landscape. Refer Appendix 129018.2 “Summary of Maintenance Requirements for Vegetative Strata”.
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Public Transport Services Engineering Management System Technical Standard AR-PW-PM-SPE-00129018
K-Net Doc: 5414953 (Word copy - 5132060) UNCONTROLLED COPY WHEN PRINTED Revision No.: 2 Issue Date: July 2013 Doc. Owner: Director Asset Management Page 9 of 14
5.4 Plant Selection Careful plant species selection will assist with reducing the overall landscape maintenance required. Refer Appendix 129018.1 “Selected Vegetation Appropriate for Landscape Planting” for selection guide for plant options. 5.5 Irrigation Irrigation shall be provided as per DPTI Master Specification Part 525 “Irrigation”. . Ongoing maintenance of the irrigation system shall begin immediately after planting and continue for the period of two years following Practical Completion of the project to promote effective establishment. A qualified arboriculturist shall be consulted prior to the design of hard structures to establish whether underground irrigation measures are required for significant trees. All irrigation requirements shall be considered and designed early in landscape planning. Where irrigation facilities are not readily available (e.g. through lack of reticulated water supply) plant selection shall take this into account. A separate plant list has been provided that highlights species known for their ability to thrive under harsh conditions, refer Appendix 129018.1. In these situations, consideration shall be given to utilising WSUD principles to enhance the catchment of rainfall and run-off into planted areas. Dialogue with SA Water regarding watering permits shall occur early in landscape planning to establish SA Water’s specific requirements at each station site. A preliminary irrigation schedule and landscape concept plan will be required for discussions with SA Water in order to acquire a water allocation permit. 6. DESIGN REQUIREMENTS - SAFETY Crime Prevention Through Environmental Design (CPTED) principles shall be followed when planting indigenous vegetation at stations. Under storey plants shall not exceed one metre in height and the canopy of planted and existing trees shall be maintained at 2.5 to 3.0 m above the ground. Trees used in planting shall have a single-trunk form so as to reduce the amount of “blind” space created by the trunk. Vegetation shall not prevent direct lines of sight between the railway station, car parking areas, bus interchange and pedestrian thoroughfares. Foliage which may impact on effective lighting if planted too close to light-sources shall be avoided. 7. RECORDS The following records shall be provided to the Principal: As constructed drawings.
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Public Transport Services Engineering Management System Technical Standard AR-PW-PM-SPE-00129018
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APPENDIX 129018.1: SELECTED VEGETATION APPROPRIATE FOR LANDSCAPING PLANTING
SPECIES COMMON NAME
FORM SOIL TYPE
HARDINESS AMENITY
UNDERSTOREY
Atriplex semibaccata
Berry Saltbush Groundcover
Sandy, Loam
Tolerant of dry soil, full or partial sun, fast growing
Berries
Austrodanthonia sp.
Wallaby Grasses Grass
Most soil types
Tolerant of most situations, full or partial sun
Winter active grass
Austrostipa sp. Spear Grasses Grass Most soil types
Most situations, full or partial sun, very hardy when established
Winter active grass Spring attractiveness
Billardiera cymosa Sweet Apple-berry Low Shrub, Climber
Sandy, Loam Flowers in spring
Carpobrotus rossii Native Pigface Groundcover Coastal, Sandy Tolerates poor soils
Purple flowers in spring
Clematis microphylla
Old Man’s Beard Climber
Sandy, Loam
Will self-propagate from seed. Will climb in adjacent vegetation
Flowers, seeds
Cymbopogon ambiguus
Lemon-scented Grass
Grass Rocky, Loam Drought tolerance Blue/green foliage
Dianella revoluta Flax Lily Low vegetative clumps
Most soil types
Generally tolerant of dry conditions.
Purple flowers spring to summer
Disphyma crassifolium
Round-leaf Pigface Groundcover
Sandy, Saline
Tolerant of saline, dry, sandy soils
Purple flowers in spring
Hardenbergia violacea Native Lilac Climber
Most soil types Generally reliable
Purple flowers in winter -spring
Kennedia prostrata
Running Postman Groundcover
Sandy, Loam
Not particularly vigorous
Red flowers late winter-spring
Myoporum parvifolium
Prostrate Creeping Boobialla
Groundcover Coast, Sandy, Loam
Generally very hardy, fast growth rate, good weed suppressor
White flowers mid spring-autumn
Scaevola albida White Fan-flower Herb Loam Can struggle in harsh conditions
White flowers mid spring-mid summer
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Public Transport Services Engineering Management System Technical Standard AR-PW-PM-SPE-00129018
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MIDSTOREY
Bursaria spinosa Christmas Bush Medium Shrub
Clay, Loam, Most soil types
Generally hardy, long-lived
White flowers in summer; thorny bushes
Correa reflexa Common Correa Low Shrub Clay, Loam Drought tolerance, full or partial sun
Green /red flowers in winter
Dodonaea viscosa
Hop Bush Medium Shrub
Most soil types
Tolerant to most conditions
Seed capsules, shiny foliage
Eutaxia microphylla Mallee Pea Low Shrub
Most soil types
Yellow flowers in spring
Goodenia amplexans
Clasping Goodenia
Low-medium Shrub
Clay, loam Tolerance of dry clay soils Yellow flowers in spring
Grevillea lavandulacea
Lavender Grevillea Low Shrub Sandy soils
Prefers slightly acidic soils
Red flowers in spring
Leucophyta brownii
Cushion Bush Low Shrub
Most soil types
Grows quickly; can be short lived
Grey foliage and branches
Rhagodia parabolic
Mealy Saltbush Low Shrub
Most soil types
Drought tolerant, self seeding, fast growing
White flowers in summer, red berries
Templetonia retusa
Cockies-tongue
Medium Shrub
Rocky, Sandy, Loam
Tolerance of dry soils Red flowers winter-spring
UPPERSTOREY
Allocasuarina verticillata
Drooping Sheoak Small Tree Clay, Loam Drought tolerant
Grey-green foliage, unlikely to shed limbs
Callitris gracilis Native Pine Medium Tree Most soil types
Fast growing, Long-lived Bright green foliage
Eucalyptus fasciculosa Pink Gum
Medium Tree
Loam, Siliceous Drought tolerant
Bark, flowers, foliage
Eucalyptus porosa Mallee Box
Medium Tree Clay, Loam Drought tolerant
Bark, flowers, foliage
Pittosporum angustifolium
Native Apricot Small Tree
Most soil types
Tolerance of dry soils, lime Fruit
Eucalyptus leucoxylon SA Blue Gum
Medium Tree
Most soil types
Drought tolerant once established
Bark, flowers, foliage
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Public Transport Services Engineering Management System Technical Standard AR-PW-PM-SPE-00129018
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RIPARIAN VEGETATION
Cyperus gymnocaulos Flat-sedge
Low vegetative clumps
Periodically damp soil, loam, clay, sandy
Prefers damp conditions to water logging. Full or partial sun
Attractive form
Cyperus vaginatus
Stiff flat sedge
Low vegetative clumps
Periodically day soil, loam, clay, sandy
Prefers damp conditions to water logging. Full or partial sun
Attractive form
Gahnia filum Chaffy Saw-sedge
Low vegetative clumps
Sandy, saline, clay
Tolerance of saline conditions, damp conditions, full or partial sun
Attractive form
Isolepis nodosa Knobby Club-rush
Low vegetative clumps
Most top soils
Tolerance of full or partial sun, wet and dry soils, sandy or clay soils
Attractive form
Juncus pallidus Pale Rush Low vegetation clumps
Most soil types
Tolerance of full or partial sun, wet and dry soils, sandy or slay soils
Attractive form
VEGETATION SELECTION KEY Green rows: Good choices Dark green
sections: Excellent hardiness
Yellow rows: Fair choices Orange sections: Possible maintenance concerns
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Public Transport Services Engineering Management System Technical Standard AR-PW-PM-SPE-00129018
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APPENDIX 129018.2: SUMMARY OF MAINTENANCE REQUIREME NTS FOR VEGETATIVE STRATA
SOIL
PREPARATION WATERING CUTTING FERTILISING WEED
CONTROL FOLLOW-UP
MAINTENANCE GRASSES Soil to be suitably prepared prior to planting where soil tests indicate requirement
Winter active grasses should receive fortnightly watering for 2 hours duration from September to May Summer active grasses should receive monthly watering for 2 hours duration from November to April
Species should be cut as per the guidelines set out in DPTI Master Specification Part 580 Maintenance of Native Grasses
Follow-up fertilising should occur as per DPTI Master Specification Part 580 Maintenance of Native Grasses, where the amount and type of fertiliser applied should be decided on a case-specific basis.
Weed control should occur prior to any planting and on a species-specific basis where vegetation is already established at rail stations and car parking areas. Weed control should comply with DPTI Master Specification Part 548 Herbaceous and Woody Weed Control.
Follow-up maintenance should occur on a monthly basis after planting of vegetation in the first year and bi-monthly in the second year to encourage thorough establishment of plants.
RIPARIAN VEGETATION Natural undulations, swales and existing sump areas should be investigated at each site prior to plant selection. Where appropriate on a site-specific basis, minor earthworks should occur to create swales, in order to assist with runoff control
Watering should occur initially at planting, then on a fortnightly basis subsequently, in line with DPTI Master Specification Part 560 Maintenance of Plants. Where watering is not feasible, plant selection should reflect harsh conditions.
Species should be cut as per the guidelines set out in DPTI Master Specification Part 560 Maintenance of Plants.
Follow-up fertilising should occur as per DPTI Master Specification Part 560 Maintenance of Plants, where the amount and type of fertiliser applied should be decided on a case-specific basis.
Weed control should occur prior to any planting and on a species-specific basis where vegetation is already established at rail stations and car parking areas. Weed control should comply with DPTI Master Specification Part 548 Herbaceous and Woody Weed Control.
Follow-up maintenance should occur on a monthly basis after planting of vegetation in the first year and bi-monthly in the second year to encourage thorough establishment of plants.
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Public Transport Services Engineering Management System Technical Standard AR-PW-PM-SPE-00129018
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SHRUBS/MIDSTOREY Soil preparation, including ripping, should occur prior to any new planting. Addition of growth stimulants, such as Terra Cottem, should occur with each planting.
Watering should occur initially at planting, then on a fortnightly basis subsequently, in line with DPTI Master Specification Part 560 Maintenance of Plants. Where watering is not feasible, plant selection should reflect harsh conditions.
Species should be cut as per the guidelines set out in DPTI Master Specification Part 560 Maintenance of Plants.
Follow-up fertilising should occur as per DPTI Master Specification Part 560 Maintenance of Plants, where the amount and type of fertiliser applied should be decided on a case-specific basis.
Weed control should occur as per specifications as part of maintenance requirements.
Mulch should be maintained at the original application level during monthly and subsequent bi-monthly routine maintenance. Formative pruning should occur to encourage the development of attractive vegetative forms that comply with CPTED principles.
TREES/UPPER STOREY Soil preparation should occur as per that required for shrubs and mid-storey.
Where existing trees occur, investigation into irrigation requirements should occur, undertaken by a qualified arboriculturist. For planted upper-storey species, irrigation should occur as for mid-storey species along the timelines stipulated in the standards.
Species should be cut as per the guidelines set out in DPTI Master Specification Part 560 Maintenance of Plants.
Follow-up fertilising should occur as per DPTI Master Specification Part 560 Maintenance of Plants, where the amount and type of fertiliser applied should be decided on a case-specific basis.
Weed control should occur as per specifications as part of maintenance requirements.
Mulch should be maintained at the original application level during monthly and subsequent bi-monthly routine maintenance. Formative pruning should occur to encourage the development of attractive vegetative forms that comply with CPTED principles.
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