Verified by manufacturer 2 months ago
GBU 3108 - Tree Pit for Medium Tree Species in Car Park
ISO 9001 Quality Management
Certificate type
A range of tree protection, root management and structural soil modules to support pavements.
Urban tree planting applications
Long term tree health
Pavement support
Root management
Utilities protection
A range of tree protection, root management, structural soil modules and irrigation/aeration packages, designed to simplify the specification and installation of urban tree planting schemes. The ArborSystem range of standard tree pit details have been designed in consultation with landscape architects and tree planting professionals and are available in different AutoCAD formats.
Features and benefits:
Color | Black |
Finish | Satin |
Material | Plastic |
Shape | Square |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Warranty description | 100 year |
Uniclass | |
CAWS | D20/571 Geocells Q31/505 Tree pits Q31/512 Tree pit irrigation and ventilation accessories |
System performance | Design submittals.Aesthetic performance of amenity planting systems.Biological and physiological performance of amenity planting systems.Functional performance of amenity planting systems. |
Preparatory work to soil | |
Herbicide | Manufacturer guidanceInsert requirements or omit. |
Fertilizer | RootStart Mycorrhiza Fungi. |
Trees | Manufacturer guidanceInsert requirements or omit. |
Tree pit | |
Drainage | |
Geotextile membrane below drainage layer | Not required.Structural twin-walled geonet - GLTWGNA.Guidance for specification option: Recommended if specified by site engineer if additional ground stabilization is required. Consult manufacturer for further information. |
Drainage layer | Clean angular stone. |
Collector drains | Manufacturer guidanceInsert requirements or omit. |
Drainage outlets | Manufacturer guidanceInsert requirements or omit. GBU recommend a positive pipe drain within the drainage stone at the base. |
Geotextile membrane above drainage layer | 20 mm GeoGrid - GRN20A. |
Root barriers | Manufacturer guidanceInsert requirements or omit. RootBarrier recommended for utilities adjacent to tree pits. |
Underground supports | Manufacturer guidanceInsert requirements or omit. Plated guying systems have been designed to work with soil cell installations. |
Irrigation and aeration accessories | RootRain ArborVent.Guidance for specification option: (Aeration accessory) Non-optional component. A heavy-duty, large capacity tree irrigation and aeration system, with a metal inlet, available in three versions and three sizes. Please see RootRain Arborvent product on NBS Source for more details. Grilles.Guidance for specification option: (Irrigation accessory) Optional. GBU component complete with irrigation and framework provided as standard. Urban.Guidance for specification option: (Irrigation accessory) Optional. Large capacity irrigation system in various sizes. Please see RootRain Urban product on NBS Source for more details. Civic.Guidance for specification option: (Irrigation accessory) Optional. Optional. Large capacity irrigation system with lid, available in various sizes. Please see RootRain Civic product on NBS Source for more details. |
Geocellular structural soil layer | |
Geotextile membrane below geocellular structural soil layer | GRN20.Guidance for specification option: Load bearing geo-grid around cell layer. |
Geocellular structural soil units | Geocellular modular plastics structured soil units. |
Geocellular structural soil layer backfill | RootSoil 20 - topsoil/ subsoil. |
Geotextile membrane above geocellular structural soil layer | Structural twin-walled geonet - GLTWGNA. |
Tree pit backfill material | RootSoil 20 - topsoil/ subsoil. |
Additional materials | Manufacturer guidanceInsert requirements or omit. |
Above ground supports | |
Type | Manufacturer guidanceInsert requirements or omit. |
Fixings | Manufacturer guidanceInsert requirements or omit. |
Tree pit surfacing | |
Weed control fabric | Manufacturer guidanceInsert requirements or omit. |
Loose fill tree pit surfacing | Manufacturer guidanceInsert requirements or omit. |
Bound tree pit surfacing | Manufacturer guidanceInsert requirements or omit. |
Tree grilles and surrounds | Not required.Tree grilles. |
Protection | Not required.Tree guards. |
Tree package type | Tree Pit for Medium Tree Species in Car Park (RootSpace 600). |
Contains Red List materials | No |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Material | Plastic |
Recyclability | 100% |
Expected Life | 100 year |