Landscape Specification

CONTENTS


8.          DRAINAGE

8.1.        GENERAL SPECIFATION
All drainage grates to be lockable.

All bends or curves of drainage channels to be built with a mitre cut at the end of each channel.

All grates to be heel safe with a max. slot width of 7mm.

All grates to be compliant with the slip resistant requirements of the National Construction Code (NCC) and
Australian Standards AS/NZS 4586 2013, AS HB 198 2014.

All grates to meet the wheelchair and walking cane safety requirements as per AS 1428.2

All grates to be flush with adjacent floor finishes.

All sizes have to be approved by a hydraulic engineer and approved calculations.

Load classifications are specified as per AS 3996.

Drainage
All raised podium planter to have min one drainage outlet point with an inspection upstand.

All on grade garden beds to have a subsoil drainage line located on the lower side of the slope. Subsoil
drainage to be connected to stormwater outlet.

All on grade turf areas to have a subsoil drainage line located on the lower slope adjacent to hard pavement
areas to ensure no water built-up. Connect to stormwater outlet. Refer to civil engineers’ documentation.




8.2.        DRAINAGE TYPES - DRAINS

 DR01: Drainage type – Drainage Strip - Vehicle

 Channel - ACO Drain “KlassikDrain” K100 or approved equivalent
 Grate width - 100mm wide total, min. 120mm depth
 Grate – Aco Longitudinal Iron Intercept Grate, Black colour, Heel safe, Anti-slip KlassikDrain (Removable
 Grates) - ACO Drain
 Load classification – D
 Channel Base – Sloped channel base or Flat. Rakes with surface falls
 Connections - Connect to stormwater system as per hydraulic engineer’s documentation




URBIS
URB-SPC-LAN-P0025138 - IFC.DOCX                                                                         PAGE   28