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RootSpace - Soil Cells, Structural Pavement Support

Verified by manufacturer 3 months ago

GBURS41A

GreenBlue Urban Ltd Variant:

Pavement support system for tree pits.

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Application

  • Urban tree planting applications
  • Long term tree health
  • Pavement support
  • Root management
  • Utilities Protection

Description

The GreenBlue Urban RootSpace Pavement Support System is an engineered load-bearing soil cell with over 95% open void space for maximum rooting volume as well as the ability to accommodate services.


RootSpace G2 is manufactured in the UK from 100% recycled material, available in 400 mm and 600 mm depth with a 75 mm AirFlow lid.


Priced per metre squared, including geotextiles. GRN20 and GLTWGNA.


Aeration with soil cells is essential. (Arborvent)


Features:

  • Open lattice leg provides unlimited access for all the roots to 100% of the void space.
  • 100% recycled material; alternative ‘RootSpace Ocean’ marine waste version available (product code suffix ‘-OP’).
  • The aeration deck lid provides aeration to the entire system.
  • Lateral interlocking grid layout and side infill panels provide lateral strength characteristics where necessary.
  • BBA approved.


Benefits:

  • Optimum conditions for soil biology maximizing root growth and tree health.
  • Fast, simple and easy to assemble reducing installation time and costs.
  • Ease of assembling around complex pipes and services.
  • Designed for easy re-excavation for maintenance of utilities.
  • Minimum excavation depths are required.
  • Can be used close to highways.
  • Minimum carbon footprint due to 100% UK manufacture and highly efficient transport volumes.
  • Can be laid in multiples - 400 mm, 600 mm, 800 mm, 1000 mm and 1200 mm.
  • Proven installations dating back to 1992

General information

Color

Black

Finish

Satin

Material

Polypropylene

Shape

Square

Length

Bespoke

Width

Bespoke

Height

400 mm

600 mm

800 mm

1000 mm

1200 mm

Warranty description

20 year

Uniclass

Ss_45_35_05_66 Pit-planted large tree systemsPrimary
Pr_45_63_64_33 Geocellular modular plastics structured soil units

CAWS

Q31/512 Tree pit irrigation and ventilation accessories

Q31/505 Tree pits

D20/571 Geocells

Specification data - Pit-planted large tree systems

Preparatory work to soil

-

Herbicide

-

Manufacturer guidance

Insert requirements or omit.

Fertilizer

-

Manufacturer guidance

Insert requirements or omit.

Trees

-

Manufacturer guidance

Insert 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 drainage stone.

Collector drains

-

Manufacturer guidance

Insert requirements or omit.

Drainage outlets

-

Manufacturer guidance

Insert requirements or omit.

GBU recommend a positive drainage pipe within the drainage stone layer.

Geotextile membrane above drainage layer

20 mm GeoGrid - GRN20A.

Root barriers

-

Manufacturer guidance

Insert requirements or omit.

RootBarrier is recommended for adjacent services or for narrow cell layout.

Underground supports

-

Manufacturer guidance

Insert requirements or omit.

Plated guying has been designed to work within soil cell systems.

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

20 mm GeoGrid - GRN20A.

Geocellular structural soil units

RootSpace Structure - GBURS41A.

Geocellular structural soil layer backfill

RootSoil 20 - Subsoil.

Geotextile membrane above geocellular structural soil layer

Structural twin-walled geonet - GTWGNA.

Tree pit backfill material

RootSoil 20 - Topsoil.

Additional materials

-

Manufacturer guidance

Insert requirements or omit.

Above ground supports

-

Fixings

Manufacturer's standard.

Tree pit surfacing

-

Weed control fabric

-

Manufacturer guidance

Insert requirements or omit.

Loose fill tree pit surfacing

-

Manufacturer guidance

Insert requirements or omit.

Bound tree pit surfacing

-

Manufacturer guidance

Insert requirements or omit.

Tree grilles and surrounds

Not required.

Tree grilles.

Protection

Not required.

Tree guards.

Load capacity

At least 34 tonnes per square metre (up to 44 tonnes, dependant on depth of cells) with no build-up.

Manufacturer guidance

Typical classification A15–B125. Suitable for emergency vehicle overrun.

Volume

0.4 m³.

Unit size

500 x 500 x 475 mm.

Sustainability data

Contains Red List materials

No

Country of product manufacture

United Kingdom

Material

Polypropylene

Embodied carbon

A1-A3 (production stage) as defined in BS EN 15804

-

Manufacturer guidance

GBU Target: Carbon Neutral 2020.

Recyclability

100% recyclable

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

100 %

Expected Life

100 year

Literature

GBU RootSpace Datasheet

GBU RootSpace Datasheet

RootSpace Datasheet

RootSpace Datasheet

GRN20A - Load Bearing Geogrid

GRN20A - Load Bearing Geogrid

RootSoil 20 - Specification

RootSoil 20 - Specification