Landscape Technical Specification - OPW14/0197

Doonella – Stage C

9.8        SPRAYING

9.8.1      REPORTING

Report any evidence of insect attack or disease amongst plant material as soon as it is noticed.

9.8.2      SPRAYING

Spray with an insecticide and/or fungicide approved prior to use, in accordance with manufacturer's
recommendations and to comply with statutory and health requirements.




9.9       PLANT MATERIALS
All tree planting stock shall conform with NATSPEC Guide: Specifying Trees. At the time of delivery all
plants shall conform to the specified minimum size and nominated container size, referenced in the Plant
Schedule.

The following tree stock selection & installation notes should be read in conjunction with the
NATSPEC Guide.

      1.   A qualified Arborist is to inspect the selected tree stock in the nursery and provide certification of
           compliance.

      2.   The Landscape contractor will provide photographic evidence and arborist certification documents
           of the compliant stock to the Landscape Architect.

      3.   The Landscape Architect will provide the above documentation to Noosa Shire Council for
           information.

      4.   Tamper proof tags will be attached in the nursery to the selected, compliant stock and will remain
           on the trees through installation, on maintenance and off maintenance inspections. They should
           only be removed following off maintenance sign off.

A Provisional Sum for Arborist Inspection and NATSPEC Certification should be allowed for when tendering
the works.

Use plants with the following characteristics:

              Large healthy root systems, with no evidence of root curl, restriction or damage.

              Vigorous, well established, free from disease and pests, of good form consistent with the
               species or variety.

              Hardened off for wind conditions, not soft or forced, and suitable for planting in the natural
               climatic conditions prevailing at the site.




9.10       TREES SUPPLY AND DELIVERY

9.10.1 HANDLING

Trees shall be handled with extreme care at all time during unloading at the point of supply. Damage to
foliage, branches or trunks due to carelessness during the unloading, transportation or planting procedure
may cause rejection of the tree by the Superintendent.

Should the condition of any specimen tree decline or the tree die, the Contractor shall remedy its condition
or remove and replace the tree; of the size, species and condition of the approved specimen, at their cost
along with the rectification of any damage to the landscape or built structures.

9.10.2 SUBSTITUTIONS

There shall be no substitutions of any approved tree without prior approval in writing from the
Superintendent. Should difficulty arise in securing the specified plant material at the required size, the
Contractor shall inform the Superintendent immediately, to determine an appropriate action.
AECOM                                           9