Approved Plan - Landscape Specification prepared by URBIS - OPW24/0110

 Mulch – 50mm depth, composted "Forest Blend" (100 x 20mm max. particle size)
 Soil - 100mm depth imported topsoil
 Coir Mesh- 750gsm gsm, biodegradable open weave approx. smaller than 25 x 25 mm mesh, Colour: natural,
 Pinning: Ensure the matting strips are firmly placed with one row of pins, with additional pinning along each
 edge, overlap and each row along the middle. Space pins no more than 500mm apart in each row and
 centrally to alternate with previous row. Ensure ends and overlapping joints are pinned no more than 450 mm
 apart. Pins are to be flush with ground.

 Topsoil Preparation – Cultivate and ameliorate subgrade. Install fertiliser and ameliorate topsoil insitu to meet
 AS.

 Note: Soil types under D&C arrangement - compliant to relevant AS and codes.


 GA05: Garden Bed Profile – Basin Floor - TO FUTURE INSTALLATION

 Installation of sacrificial turf by civil.
 Planting to future:
 Note: Landscaping to the surface of the bioretention basin filter media area must not commence
 until 80% of building work within each contributing catchment is complete or after 3 years,
 whichever occurs first.

 Mulch – 50mm depth, ‘fine’ grade, Sugar Cane Mulch.
 Jute Mesh - 750gsm, biodegradable open weave approx. 50 x 50 mm mesh, Colour: natural, Pinning: Ensure
 the matting strips are firmly placed with one row of pins, with additional pinning along each edge, overlap and
 each row along the middle. Space pins no more than 1.0 m apart in each row and centrally to alternate with
 previous row. Ensure ends and overlapping joints are pinned no more than 450 mm apart. Pins are to be flush
 with ground.
 Subgrade Preparation - Stripping temporary turf & geo-fab matting, remove & dispose off site

 Note: Soil types under D&C arrangement - compliant to relevant AS and codes.


 GA06: Garden Bed Profile – On Structure
 Mulch – 75mm depth, Polished Black Pebble Small 10-20mm
 Soil - 300mm depth ‘On Slab soil media A’ Refer to Section – Soils, for test results criteria
 Sand filter - 50mm depth (depth varies) fine washed sand, placed over filter fabric
 Filter fabric - Bidim A12 or approved equivalent, to have 150mm overlap at joints over drainage layer
 Drainage layer - 30mm thick Elmich VersiDrain 30 or approved equivalent
 Topping – minimum 40mm depth cementitious topping to fall to drains placed over waterproof membrane
 Waterproof membrane – Refer to architect’s documentation.

 To planter sides – 3mm 500gsm corflute protection board

 Note: Soil types under D&C arrangement - compliant to relevant AS and codes.


 GA07: Garden Bed Profile – On Grade with organic mulch




URBIS
URB-P0003847-000-SP.DOCX                                                                                    PAGE   38