Landscape Specification

CONTENTS


15.         GARDENS

15.1.       GENERAL SPECIFICATION
Samples
Supply soil sample testing reports as per soil section 18.1 in the frequency specified.

Supply 1 litre bag of each different soil type. Testing to include specific ingredient percentages, as specified
in AS 4419-2003: "Soils for landscaping and garden use" Table 1 on page 8 and "Documentation" on page
11.

Supply 1 litre bag of each different mulch type to the Landscape Architect for approval prior to ordering and
placement.

Garden Soil specification
All soil types are specified in the section 18.2 in this specification.

All garden soil is to be consolidated yet not compacted. All soil is to be installed to heights which allow for
settlement, so that at off-maintenance all surface levels are to those detailed in the documents.

Additional volume allowances to be made to ensure this requirement is met.

All garden soil is to be free of weed seeds and is to be non-toxic to living organisms. On-structure planters
are to be free from any debris/rubble immediately prior to drainage and soil placement.

Evenly grade between reduced levels i.e. (spot levels).

Inside Planter Walls
Wrap the waterproofing up the inside of the planter walls and/or and building façade. Use a protection board
to protect the waterproofing membrane. Lay nonwoven, needle punched filter fabric to base and up the sides
of the planter walls. Secure filter fabric between wall body and internal cladding (cladding to be min 150mm
deep). If rendering is use apply 150mm wide steel flashing in the same colour as rendered finish to fix filter
fabric to wall. Fix flashing through neoprene washer and seal flashing with flexible sealant on the top.

Planter drainage
Planters on structures to be drained with topping slab to the subsoil drain with Inspection upstand at a fall
1:100.

Soil trench underneath pavement
In areas on structure where soil is placed underneath the pavement stratavault shall be installed. Install
suspended slab for pavement and supporting walls to the boundary of the soil trench zone. No structural
support to be placed within the soil volume.




URBIS
URB-SPC-LAN-P0025138 - IFC.DOCX                                                                            PAGE   54