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23110 Op Works Issue 20-12-2023
works under normal use including, but not limited to, the following items where required: − AS 4129 (2020) Fittings for Polyethylene (PE) Pipes for Pressure Applications General to be bronze and pressure rated to 1033 KPa. Locate valves in lockable valve boxes so
watering, weeding, fertilising, pest and disease control, mowing, topdressing, reseeding, − AS 4130 (2018) Polyethylene Pipes for Pressure Applications Use Class 12.5 HDPE main line reticulation with low pressure drip irrigation to planting that all parts of the valve can be reached for servicing
returfing, edging, renovating, pruning, rubbish removal and keeping the site neat and areas. The system is to be fully automatic.
tidy. 5.2 Scope 5.13 Reticulation
Sprinklers
Mulched surfaces Design, supply, install, and maintain for the duration of the Establishment Period, a fully All mainline and sprayline piping to be HDPE class 12.5. Fittings to be compression
Use pop up sprinklers with pressure compensation and radius arc adjustment. Minimise
Maintain mulched surfaces in a clean and tidy condition and top up to the specified automatic irrigation system to planting areas indicated in the about diagram within the type. Piping to be sized to ensure that velocities do not exceed 1.0m/sec in mainlines
overspray of roads and paths. Overspray on buildings, roads, paths and the like is not
depth if necessary. property alignments. Provide an irrigation system connected to the rainwater tanks that and 1.5m/sec in lateral lines under any circumstances. Maximum flow rate to be 6
acceptable. The spacing shall also take into consideration the prevailing wind conditions.
will provide uniform coverage with sufficient water to achieve optimum plant growth. litres/second. Arrange and support pipework as necessary so that it remains free
Spraying All sprinklers shall have integral check-valves, have matched precipitation across all
All turf and planting areas to be irrigated. Items not specified, but normally required to from vibration while permitting necessary movements such as thermal expansion and
Spray against insect and fungus infestation if considered necessary by the conform to such intent, are considered part of this work. Minimum precipitation rate to arcs of coverage and be constructed of stainless steel and engineering plastic. The contraction.
Superintendent in accordance with the manufacturer’s directions. all areas is to be 30mm per week. The number, size and location of water supply points maximum output capacity of all (each) sprinkler head must not exceed 9 litres/minute.
Trenches to have minimum 50mm clearance to all pipework. Minimum cover over mains
Watering and associated pipework will be determined by the irrigation design. Drippers pipework to be 450mm and lateral pipework to be 350mm. Spacing between multiple
Grass, trees, and garden bed areas are to be watered regularly so as to ensure Use pressure compensating drip-line irrigation to all planting areas. The drip irrigation pipes in common trench to not be less than 50mm. Mainline pipework to be laid on a
continuous healthy growth. The minimum acceptable requirement for grass areas is 5.3 Design Intent system shall be designed in a grid pattern suited to the soil, plant types, and plant minimum of 50mm thick sand bed. Backfill to trenches to be free from rocks, sticks and
25mm of natural rainfall or its applied equivalent. The irrigation system must be designed to a standard that would be considered best spacing. The maximum operating pressures and run length (as per the manufacturer’s construction debris and compacted thoroughly.
Weeding and rubbish removal. industry practice and in accordance with Efficient Irrigation for Water Conservation specifications) should not be exceeded. All tubing shall be staked securely at 1m
Guideline. The system must have sufficient stations to allow planting areas with different intervals with galvanised stakes a minimum of 150mm long. 5.14 Reticulation Identification (Recycled Water/Non-Potable Including
Remove rubbish and weed growth that may recur throughout the contract area, at microclimatic conditions to receive different quantities of water.
weekly intervals, and maintain in a completely clean and tidy condition. Throughout the For plant material in 75 litre containers or larger (includes ex ground stock) ensure that Grey Water and Stormwater)
establishment period, ensure pathways, pavements and road are kept clean of mulch, Sprinklers and drippers must be supplied in sufficient quantity and arranged to deliver the dripper tube incorporates a dripper tube loop around each root ball. All buried mainline reticulation shall have an identification tape with a metal thread as
soils and landscape litter. water optimum for plant growth to all plant material regardless of their size and location. Root intrusion protection shall be installed on all sub-surface installations with a per AS/NZS 2648.1 (1995). The tape shall be a minimum 100mm wide with contrasting
renewable source of chemical protection. purple lettering installed 100mm above mainline pipe work. The lettering shall read
Soil Subsidence
5.4 Design Drawings Air/vacuum release valves shall be installed at the highest points of each station and
RECYCLED OR RECLAIMED-WATER-DO NOT DRINK or approved equivalent. All
Rectify soil subsidence or erosion which may occur after the soil filing and preparation pipework shall not be installed within 300mm of any parallel drinking water supply.
The system is to be designed and certified as an efficient irrigation system by a Certified located within a lockable valve box. Automatic flush valves shall be used on all sub-
operations.
Irrigation Professional. Show to scale the locations of all irrigation components including surface installations – one per each manifold. Use a minimum of one flush valve for
Pruning control valves, identity (model/brand) of each component, show pipeline type and sizes, each station. Locate within a lockable valve box. 5.15 Control Wiring
Trees and shrubs as directed by the Superintendent. Pruning will be directed for the show sprinkler arcs/coverage, provide a section/details of mains pipeline and trench, General
Use a pressure regulation valve in all stations using drip irrigation. The valve shall be
maintenance and dense foliage or miscellaneous pruning as beneficial to the condition articulated riser assembly, controller assembly including lockable box and control valve
located downstream of the control valve. Locate within a lockable valve box. Common wiring to be 7/0.85 and 7/0.67, 4mm and 2.5mm. Single core, multi-strand,
of the plants. Prune damaged growth. assembly in valve boxes. Provide specification notes as required.
and polyethylene insulated and sheathed. Each controller to have separate common
Turfing Prepare an Irrigation Management Plan that complies with the following: 5.11 Controllers wires. Active cables to be 7/0.67 and 7/0.50, 2.5mm and 1.5mm multi core, multi-strand
Topdress all turf during the last 3 weeks of the establishment period. Fill depressions/ and polyethylene insulated and sheathed. Each controller to have separate active wires.
− Queensland Plumbing and Wastewater Code and associated legislation Irrigation system is to be controlled by solid state/hybrid controllers via 24vac remote
sinkages and gaps so that the turf finishes flush and even against adjoining surfaces − Queensland Water Recycling Guidelines - December 2005 control valves. The smaller wire sizes outlined apply to Control Wiring runs up to a maximum of 400m,
and presents a smooth and uniform flat surface. All turfed areas are to be mown − Australian Guidelines for Water Recycling: Stormwater Harvesting and Reuse - the larger wire sizes outlined apply to Control Wiring runs over 400m, the maximum
Controller shall have a minimum of two spare stations, ENERGEX approved 240/24
regularly so that the turf height remains uniform from week to week. All turfed areas are 2009 voltage drop between the Irrigation Controller and the solenoid valve shall be less than
vac transformer, multiple start times per day, multiple 7/14 day program ability,
to be fertilized during this period. − Water quality guidelines for recycled water schemes - November 2008 10% of coil operating voltage.
manual and semi-manual override provision, capable of fully automatic unattended
Plant Replacement The Irrigation Management Plan (IMP) must be site specific and shall be coordinated operation, rain sensor override compatible and non-volatile 100 year memory retention. Installation
Replace failed or damaged plants. Where new plant material has been supplied to fully with any Recycled Water Management Plan prepared for the site. This particularly Mount controller and power supply together inside a galvanised steel, colourbond, Run all wiring in the mainline trench without any breaks between the Controller and
replace dead or dying plants, these shall be subject to a full establishment period. applies to safety signage. The IMP must describe all such signage: their wording, size, weatherproof cabinet with a lockable T handle as supplied by B and R products or Automatic valves. Bundle tie all wiring together at 3m intervals and place beneath
and locations. equivalent. pipework. Minimum depth of cover to be 300mm. All field joints to be housed in a
Install an automatic rainswitch or rain sensor to terminate the program in the event of separate valve box. Loop all wiring at least 300mm at each valve or junction. Solder all
5.0 Irrigation 5.5 Water Connection (Tank Water with Town Water Backup) excessive rainfall. Refer to plan for location of rainswitch or rain sensor. joints before application of Heat Shrink, all bare cables are to be waterproofed correctly
Water for irrigation shall be supplied via rainwater tanks and an irrigation pump. Supply and suitably sealed once connections are finalized. Joints to be Tyflo Heat-Shrink joint
All exposed wiring is to be conduited. Conduit to be painted to match external wall
5.1 Standards all pipework to connect system to tank. The rainwater tanks and irrigation pump is part or a waterproof direct burial splice kit such as 3M DBY or equivalent.
colour.
All work is to comply with and will be carried out using equipment and installation of Hydraulic Services. Refer to plan for location and sizes. Mains water (town water)
Controller location and power supply by Electrical Services. 5.16 Commissioning
process as outlined in the following relevant Australian Standards: to be used as an automatic backup within the irrigation system. Automatic town water
backup must be able to be switched on or off and must be connected to an adjustable Remove all spoil, rubbish, and construction debris from site. Ensure that the operation
− AS 3879 (2011) Solvent Welding Cement for Use with Rigid Upvc Pipe and Fittings
level within the tank. External fill line to allow filling of the rainwater tank during water 5.12 Valves
− AS/NZS 4130 (2018) Polyethylene Pipes for Pressure Applications of all components is functioning correctly, and that all equipment has been installed as
restrictions to be installed. Valve Boxes specified.
− AS/NZS 1167 (1999) Welding & Brazing Filler Materials
− AS 1319 (1994) Safety Signs for The Occupational Environment An isolating gate valve and filter (120 mesh) to be provided after the Irrigation pump. House all valves in Commercial Grade valve box. The valve box shall be made of
− AS 1345 (1995) Identification of The Contents of Piping, Conduits and Ducts The sizing of all pipework to be determined by the design parameters set out in this structural HDPE resin that is resistant to UV light. Valve boxes for singular Isolation 5.17 Practical Completion
− AS 1432 (2004) Copper Tubes for Plumbing, Gas Fitting and Drainage Applications Specification. Gate valves or water supply points connected to the rainwater tank to Valve, QCV or Air Valve shall be Minimum 250mm diameter round to permit ready Apply for only after system has been run for four consecutive fully programmed cycles
− AS 1477 (2017) PVC Pipes and Fittings for Pressure Application (Metric) shown on the drawings. The number, size and location of these water supply points shall access to all internal components. Valve box for Solenoid and Isolation Valve Assembly, over a period of four days.
− AS 3688 (2016) Water Supply and Gas Systems - Metallic Fittings and End be refined and determined by the final irrigation design. It is essential that the irrigation Solenoid Valve, Isolation and Filter Assembly shall be Minimum 295 x 435mm diameter
Connectors contractor coordinates such water supply points with the Builder at the start of building to permit ready access to all internal components.
− AS 1628 (1999) Water supply - Metallic Gate, Globe and Non-return Valves works. The valve box shall be lockable by stainless steel or galvanised bolt as deterrent to
− AS/NZS 2032 (2016) Installation of PVC Pipe Systems unauthorised access. Installation is to be so as to contain each valve with fittings and
6.0 Schedules
− AS/NZS 2033 (2008) Installation of Polyethylene Pipe Systems 5.6 Products wire joints. Do not support valve box on valve or pipe work, provide a solid foundation 6.1 Submissions
− AS/NZS 2053.1 (2001) Conduits and Fittings for Electrical Installations - General All irrigation products to be from a Commercial Irrigation supplier (HUNTER, NETAFIM, of a brick course to support the valve box. Should the depth of the valves exceed 300
Requirements an additional valve box base or a PVC sleeve of suitable diameter is to be installed Submissions are to be approved by the Superintendent before they are employed in any
RAINBIRD, TORO) or approved equivalent and should be accredited with Smart
− AS 2129 (2000) Flanges for Pipe, Valves and Fittings to ensure access to all components is possible. The Valve box is to have Geo-fabric works. Practical Completion will only be given once the following has been received and
Approved Watermark. Product must have a minimum of 12month replacement warranty.
− AS 2698.2 (2000) Plastic Pipes and Fittings for Irrigation and Rural Applications: wrapping to prevent spoil entry to box. approved by the Superintendent.
Product information regarding warranty to be included with design.
Polyethylene Rural Pipe Earthworks/Soils
Install valve boxes in planting areas wherever possible and locate close to mowing
− AS 2698.3 (1990) Plastic Pipes and Fittings for Irrigation and Rural Applications:
5.7 Irrigation Conduits strips. Valve boxes to be placed 20mm above soil level in planting areas. Provide a − Imported soil Blend - Certificate of compliance with Soils for Landscape
Mechanical Joint Fittings for Use with Polyethylene Micro Irrigation Pipes Development - Prior to installation
Irrigation conduits to be 100mm in diameter UPVC. 50mm deep, 10mm aggregate on a geotextile layer at the bottom of all valve boxes. The
− AS/NZS 2845.1 (2022) Water Supply - Backflow Prevention Devices, Part 1:
tops of all valves shall be no deeper than 150mm below the top of the valve box. Drainage
Materials, Design and Performance Requirements
− AS 2845.2 (2010) Water Supply - Backflow Preventions Devices, Part 2: 5.8 Brass marker pins for conduits Control Valves − Provide written Certificate confirming that all subsoil drainage and Gully pits
Registered Air Gaps and Registered Break Tanks Set into concrete with the arrow indicating the direction of conduit. Automatic station control valves to have 24 vac remote actuation, with manual bleed drainage have been connected to the Stormwater network and operate - Prior to
− AS/NZS 2845.3 (2020) Water Supply - Backflow Prevention Devices, Part 3: Field and integral flow control, pressure regulating, manual shut-off and be constructed of practical completion
Testing and Maintenance of Testable Devices industrial plastic and stainless steel and to have minimum pressure rating of 1033 KPa.
5.9 Component Identification (Rainwater/Recycled/Stormwater) Planting
− AS/NZS 3000 (2018) Electrical Installations All valves shall be identified with a 40mm laser engraved plastic tag attached to the
− AS 2845.2 (2010) Water Supply - Backflow Preventions Devices, Part 2: − All pipework including subsurface dripper lines shall be identified by a purple/lilac valve stem with a cable tie. The tag shall show the station number identified on the “As − Contractor/Subcontractor Qualifications – min 5 years . Submit evidence of
Registered Air Gaps and Registered Break Tanks colour in accordance with AS 2700 (2011). Built” drawing. Locate valves in lockable valve boxes so that all parts of the valve can be completed similar work with contact names and telephone numbers - Prior to
− AS 3008.1.1 (2017) Electrical Installations Selection of Cables − All lids on valve boxes shall be identified by a purple/lilac colour in accordance with reached for servicing. installation
− AS 3500 (2021) Plumbing and Drainage AS 2700 (2011). − Certification the authenticity of supply of genuine turf variety in accordance with this
− All caps on popup sprinklers and qcvs shall be identified by a purple/lilac colour in Isolating Valves Specification - Prior to installation
− AS 3500.0 (2021) National Plumbing and Drainage Code - Glossary of Terms
− AS 3500.1 (2021) Plumbing and Drainage, Part 1: Water Services accordance with AS 2700 (2011). Install manually operated isolating valves throughout the system to permit isolation of − Certify that all Trees comply with this specification and with NATSPEC Guide –
− AS 3500.2 (2003) Plumbing and Drainage, Part 2: Sanitary Plumbing and Drainage areas for maintenance purposes with minimum disruption to the system. Install one Specifying Trees: A Guide to Assessment of Tree Quality (2003). The certification
− AS 3808 (2000) Insulating and Sheathing Materials for Electrical Cables 5.10 System Type - Fully Automatic High and Low Pressure isolating valve on the up-stream side of each automatic control valve. All isolating valves shall be in the form of a written document provided and signed by an accredited
Arborist - Prior to installation
− Pandanus species: Provide certification from the Supplier that the plants have
[email protected] David Low Way Duplex LANDSCAPE SPECIFICATION Project No. Drawing Issue NOT FOR CONSTRUCTION
23110 LA6-003 C
9 Fort Lane Issue Date Purpose Drawn Approved
Milton Qld 4064
206 David Low Way, Peregian Beach
A 11-10-2023 DRAFT ISSUE GG AG
PO Box 287
B 12-10-2023 OP WORKS ISSUE GG AG
Paddington Qld 4064
©2023 Wild Studio Australia Pty Ltd. These C 13-12-2023 OP WORKS ISSUE GG AG
urban landscape architecture drawings are protected by copyright and may not
wildstudio.com.au Client: Adam Offermann and Madeleine Swete Kelly be amended or reproduced without authorisation.
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