Lanscaping Specification URB-P0003847-000-SP-240719

13.2.       SOIL TYPES
The following soil test result requirements meet or exceed the current AS 4419 – 2018 requirements.
All test results must comply with the below testing requirements.


 On Grade Soil Media - Turf


 Quality – Soil must be free from any ‘unwanted materials’
 Physical properties particle sizes

         Property                        Units                 Target Range

         2.0 mm (fine gravel)            % retained by         < 10
         1.0 mm (very coarse sand)       mass                  < 10
         0.5 mm (coarse sand)                                  10 - 30    30 - 50
         0.25 mm (medium sand)                                 20 - 40
         0.1 mm (fine sand)                                    10 – 30
         0.05 (very fine sand)                                 5 – 15 (max 25 % combine vfs, Si + Clay combined)
         0.002 mm (silt)                                       5 – 10 (< 12 % Si + Clay combined)
         < 0.002 mm (clay)                                     3 – 8 (< 12 % Si + Clay combined)
         Large particles                                       2 – 20 mm = < 10 %, > 20mm = 0 %
         (OM) Organic matter             % dwb (dry            Underlay Range 2 – 10%
         content                         weight basis)
         Permeability                    mm/hour               > 20 (@32 drops by McIntyre Jakobsen)
         Wettability (AS4419)            mm/min                >5
         Dispensability in water                               1 or 2 (AS 4419 Category)


Chemical Properties
         Property                        Units           Target Range

         pH in water (1:5)               pH units        5.4 – 7.5
         pH in CaCl2 (1:5)               pH units        5.2 – 7.5
         Electrical conductivity (1:5)   dS/m            < 0.75
         (EC)
         Exchangeable Na                 % of eCEC       <6
         percentage
         Exchangeable Ca/Mg ratio        Ratio           3-9
         Available phosphorus            mg/kg           20 – 100
         Mehlich 3
         Olsen                                           20 - 50
         Available nitrogen (nitrate     mg/kg           20 - 60
         N + ammonium N)




URBIS
URB-P0003847-000-SP.DOCX                                                                                       PAGE   33