07/2555 - Operational Works - Drainage Stormwater Vegetation [As Published] · 142007.2555

Attunga Heights Rehabilitation Specification 19

7.3.5 Water retention

Where, in the opinion of the Bush Rehabilitation Contractor, the soil will not retain sufficient
moisture to enable rapid plant establishment an additive such as Rainsaver crystals should be
added to the soil according to manufacturer’s specifications. This is likely to be necessary within
sandy environments.

7.3.6 Water

Trees are to be watered in with a minimum of 5-10L of water each at the time of planting and
when watered during maintenance.

7.4 MAINTENANCE

7.4.1 Weed Control

Spot spraying of weeds within each planting area will be necessary on a monthly basis for several
months, then bi-monthly until canopy cover suppresses weed growth. Periodic treatments will be
necessary there after.

7.4.2 Replacement Planting

Replace dead as per technique outlined in Section 7.3.2 and species outlined in Attachment 2.
Dead plants will be replaced within 3 months of senescing.

7.4.3 Watering

Watering of planted stock will be undertaken on an as needs basis depending on weather
conditions. However, as a minimum it is anticipated that plants will be watered at least twice
within the first 6 months of planting and once during the following 6 months.

7.4.4 Re-mulching

Mulch is to be placed around planted rainforest species where canopy closure is absent.

7.4.5 Timing

Restoration work to be placed on maintenance prior to commencement of the use of the site.
Following commencement of the on maintenance phase the work shall be maintained for a period
of 12 months.

 

Chenoweth EPLA 078103_Rehab_12_12_07.doc Dee ‘07