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23110 Op Works Issue 20-12-2023
1.0 Preliminaries Place orders for delivery of all materials including plant materials in sufficient time prior arrangement with the Principal and in agreement with the Contractor and shall subsequent amendments). The Contractor will be responsible for making any
to ensure availability in accordance with the construction program. Obtain material generally be limited in space. Remove mud and debris carried by vehicles entering or subcontractors, whether those of the Contractor or a nominated subcontractor by
1.1 Inspections including plants and mulch, from approved suppliers and provide proof of ordering on exiting the site. the Principal for finishing works, aware of all their obligations under the Contractor’s
request. Advise immediately if supply difficulties are encountered. If a specified material Deliveries Workplace Health and Safety plan for the site. The Contractor will be responsible for the
Allow 48 hours minimum notice for all the following inspections:
is not obtainable, submit proof of non-availability and provide a proposal for use of an issuing of any instructions to any such subcontractors who will be obliged to abide by
equivalent alternative material. All substitutions are to be approved in writing prior to Locations of all delivery materials are to be determined by prior arrangement with the the Contractor’s Workplace Health and Safety requirements.
General
progressing further with the works. No extensions of time will be approved for delays Principal.
− Practical Completion Obey any safety directions given by the Principal and no action by the Principal will
generated by a failure to order material with adequate lead time. Site Shed and Materials Delivered to Site relieve the Contractor of their obligation to Workplace Health and Safety Act or common
− End of Establishment Period
− End of Defect Liability Period The locations of stockpiles for all materials delivered to site and the location of any site law. Where the Contractor supplies plant of any form for the purposes of construction
− On Maintenance (Streetscape Works) 1.9 Working Hours shed or compounds for storage used by the Contractor shall be determined by prior of the works, it is the responsibility of the Contractor to ensure that all such plant is
− Off Maintenance (Streetscape Works) Adhere to the local authority’s restrictions on working days and times. arrangement with the Principal. maintained to relevant statutory requirements. Maintain all such equipment and will be
Control of Fire Ants obligated to repair any damage that could affect safety of personnel.
Earthworks/Soils
− Subgrade cultivated and/or prepared prior to replacing topsoil
1.10 Tree Protection Ensure compliance with Queensland Government’s DPI and F (Department of Primary Where the Principal has in place Operational Health and Safety Management
Trees and Shrubs Industries and Fisheries) Fire ant eradication and movement control measures. Compliance Manuals governing the performance of Contractors on their sites, all costs
− Testing of site topsoil and amendments during placement
associated with compliance are to be included in the tendered Lump Sum.
− Setting out of lawn and planting areas At the date of Practical Completion trees and shrubs defined for retention in the Existing Stockpile Management - Topsoil and Organic Mulch
− Any excavations for footings for structures requiring certification by a registered Vegetation Schedule are to remain on site in a healthy condition as at the date of Ensure all practicable needs are taken to protect stockpiles from winds and water 1.16 Safety Plan
Engineer. possession of site. erosion. Protect the topsoil stockpiles from contamination by other excavated material,
Drainage Under the Work Place Health and Safety Act, Contractors will be fully responsible for the
The following are minimum requirements: weeds and building debris. Ensure that no noxious weeds (groundsel, lantana, nut
safety standards of their works. The Contractor and their subcontractors must have a
− Setting out of subsoil and drainage and backfilling of trenches − Do not store, stockpile, dump or otherwise place under or near trees, bulk or grass etc.) exist in the topsoil. Stockpiles are to be managed to prevent spontaneous
current and approved safety plan for this project.
− Podium Drainage Layer and Foam layers prior to covering harmful materials. combustion and fire. Establish stockpiles to heights not exceeding 1.5m. Stockpile
− Do not place spoil from excavations against tree trunks. location to be approved by the Principal.
Planting
− Prevent wind-blown materials such as cement from harming trees. Chemical and Fertiliser Usage
− Setting out of lawn and planting areas
− Prevent damage to tree bark.
2.0 Earthworks and Soils
− End of plant establishment period Ensure all practicable measures are to be taken in the use of chemicals and fertilisers
− Do not attach stays, guys and the like to trees.
Irrigation
such that no contamination can occur to ground or water bodies. Remove any soil 2.1 Standards
− Use hand methods to excavate topsoil within the drip line or material contaminated by toxins, chemicals, solvents or substances detrimental to
− Setting out of irrigation lines in trenches − Do not backfill around tree trunks to a height greater than 100 mm above the human or plant growth in a safe manner. Use chemicals and herbicides according to All work to comply with the following Standards:
− Setting out of electrical lines in trenches prior to backfilling original ground surface. manufacturer’s instructions and in compliance with Agricultural Chemicals Distribution − AS 1289 (2003) Methods of Testing Soils for Engineering Purposes
− Completion of irrigation system − Tree Protection methods to comply with AS 4970 (2009). Monitoring and Act 1966, 1978, 1983 and Regulations. − AS 3798 (2007) Guidelines on Earthworks for Commercial and Residential
certification must be provided in accordance with AS 4970 (2009).
Reinstatement of Compacted Areas Developments
1.2 Standards Replacement
− AS 4419 (2018) Soils for Landscaping and Garden Use
All works to comply with the relevant Standards in this Specification that are existing at If so directed, provide plant and establish as part of the works, at no extra cost, a Deep rip to 300 mm all planting and turfed areas compacted during the course of the
− Soils for Landscape Development: Selection, Specification and Validation (2014)
replacement tree of the same species and at least equal size and condition as at the Works.
30 days prior to the close of Tender.
date of possession of site. Rubbish Removal 2.2 Fill Material
All work to comply with the following Standards:
Damages At regular intervals remove all rubbish. Keep all road surfaces free of soil, mulch and General
− AS 4970 (2009) Protection of Trees on Development Sites other associated debris. All rubbish and cleared materials including trees (except for
If replacement as part of the works is not approved, pay for any tree removed pursuant Use inorganic, non-perishable material that will form stable fill to comply with AS 3798
to the above, damages assessed by the Principal as the cost of replacement by the vegetation that can be tub ground), to be removed off the site and not stockpiled unless
1.3 Abbreviations instructed by the Principal. (2007).
Contractor.
AS: Australian Standard Excavated Materials Placement
BCA: Building Code of Australia 1.11 Site and Environmental Management All excess spoil excavated from the site will be removed from the Site. Random dumping Place fill in accordance with AS 3798 (2007). Place and compact fill to the designated
will not be accepted. No organic matter will be allowed in any fill. Allow for costs of all dimensions, levels, grades, and cross-sections so that the surface is always self-
NATA: National Association of Testing Authorities Noise and Construction Times draining.
removal and dumping.
NZS: New Zealand Standard Comply with Local Authority, State and Federal Government requirements on allowable Additional Fill
construction times and noise levels. Site Restoration
TBA: To be Advised The Contractor will be responsible for any damage to adjacent property, roadworks, Import additional fill material on to the site if required to achieve finished levels.
Temporary Drainage and Sediment Control
kerbs, existing services (underground and above ground), drains and watercourses, Compaction
1.4 Definitions Plan and carry out the work so as to avoid erosion, contamination and sedimentation
survey pegs, building works and / or site amenities. Other than the removal of mud and Submit certification and/or test results in accordance with the specified level to AS 3798
of the site, surrounding areas, and drainage systems. Ensure all practicable control
The terms as ‘directed’, ‘selected’, ‘required’ and ‘approved’ mean directed / selected / debris carried by vehicles exiting the site, cleaning of materials or machinery such as (2007) and AS 1289 (All Parts).
measures are taken to limit the amount of site disturbance, to control run-off and
required / approved by the Principal unless expressly specified otherwise. concrete trucks will not be permitted on the site.
to prevent increased movement of sediments into any waterways. The maximum
suspended material in surface water crossing to be 5mg per litre. 2.3 Excavation
1.5 Site of the Works 1.12 Survey
Adopt such measures as necessary for erosion control, including the following where General
The site is located at 206 David Low Way, Peregian Beach. Limit use of the site to the applicable: Requirements
Excavate over the site to give correct levels and profiles as the basis for construction,
minimum area required to perform the works. Ensure that all boundary pegs have been checked by a Surveyor prior to the paving, filling, and soft landscape works (grassing and planting areas). Make allowance
Stage operations (e.g. clearing, stripping).
commencement of Works. It is the responsibility of the Contractor to ensure that the for compaction or settlement.
− Progressively restore disturbed areas.
1.6 Scope of Works survey has been completed before they start works and that all pegs are in place. The
− Provide temporary drains and catch drains and/or dispersal of concentrated water Contractor is to verify all property boundaries. Do not commence construction until Footings
The scope of works includes, but is not limited to, the supply, construction, installation, flows. pegging has been carried out. The Contractor will be responsible for the maintenance of Excavate for footings to the required sizes and depths.
placement, and execution or otherwise of works as documented on the drawings and − Divert and disperse concentrated flows to points where the water can pass through all pegs. Services
this Specification. the site without damage.
Works to be performed by others include but are not limited to: − Disperse concentrated run-off using spreader banks or other structures Excavate for underground services. Ensure that all service trenches, including subsoil
1.13 Existing Services drains and irrigation main spray lines are back-filled and compacted.
− Construct and maintain silt traps to prevent discharge of scoured material to
− Bulk earthworks finished to within 100mm plus or minus 25mm of finished surface General
downstream areas. Planting Areas
levels
− Use temporary fencing. Services documented on drawings are not ‘as built’ locations and may vary. Identify
− Vehicular paving to roadways and construction of kerbs, kerb ramps, driveways, Excavate all planting areas to accommodate specified soil and mulch depths.
− After rain, inspect, clean and repair if required, temporary erosion and sediment ‘as built’ locations of any services that may be affected by the Works. In the event that
car parking and crossovers (including conduiting)
control works. the Works may affect any service installation, seek direction from the Principal prior to Disposal of Spoil
− Stormwater services including sumps, podium and grated drains
− Remove temporary erosion control measures at the completion of works. proceeding with the work. Do not excavate by machine within one (1) metre of existing Remove all spoil material from site.
− Water services including provision of hosecocks
− Sewer services Dewatering underground services.
− Electrical services including installation of landscape lighting and power supply to Keep ground works free of water. Provide and maintain slopes, crowns, and drains on Damage to Services and the Like 2.4 Cultivation
irrigation controller excavations and embankments to ensure free drainage. Place construction, including fill, Remove obstructions immediately and immediately rectify damage to existing services. General
− 50 mm take-off point and backflow prevention device and water meter for irrigation masonry, concrete, and services, on ground from which free water has been removed.
system. Prepare subgrades as detailed by ripping to the specified depths to loosen compacted
Prevent water flow over freshly laid work. Maintain adequate soil moisture around any 1.14 Construction Plant
− Property survey including boundaries and truncations ground. Do not disturb services or tree roots. If necessary, cultivate around services and
trees to be retained.
− Podium and planter waterproofing Temporary Services trees by hand. Thoroughly mix in any materials to be incorporated into the subgrade
Dust Control during cultivation.
Provide all services including, but not limited to, electricity, water supply and telephone
1.7 Workmanship and Materials Ensure all practicable control measures are taken to limit airborne particulate matter to Deleterious Material
communications (mobile phones acceptable) as required to carry out the specified
a maximum of 5 parts per million from crossing site boundaries. Maintain on site at all
All works are to be constructed to a high standard of workmanship and finish. All works. Associated costs, permits, and local authority approvals are the responsibility of Remove stones exceeding 50 mm, and any other deleterious material brought to the
times for the duration of the Works sufficient plant and labor to control smoke or dust
materials to be new (unless otherwise documented), as specified, defect free, shelf-life the Contractor for the duration of the construction period of Works. surface during cultivation, including sticks, weeds, and roots of plant material to be
and ensure that smoke or dust nuisance is not created.
current and suitable for intended use. removed.
Vehicles Entering and Leaving the Site 1.15 Workplace Health and Safety Act Subgrade Surfaces
1.8 Ordering and Suppliers Locations of all vehicles, other equipment and access routes are to be determined by Comply with all requirements of the Workplace Health and Safety Act 2011 (and Trim after cultivation to shapes and levels so that the required depths of topsoil and
[email protected] David Low Way Duplex LANDSCAPE SPECIFICATION Project No. Drawing Issue NOT FOR CONSTRUCTION
23110 LA6-001 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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