B3
BBA certified geosynthetics
Geotextile & Separation Layers
Chemical-resistant geotextile, drainage cell, separation layers for contaminated ground.
Failure consequence: Filter failure — drainage compromise
Materials
Certified products
| Product | Manufacturer | Certification | Application |
|---|---|---|---|
| Tensar TriAx TX160 geogrid | Tensar International | Highways Agency HA68 approved | Stabilisation geogrid for working platforms over contaminated ground |
Packages
Brownfield deal packages
Tier 1
Brownfield Gas Protection Pack
£200
48h turnaround
- Contamination class to membrane mapping
- Specific certified product
- BBA certificate reference
- Supplier contact (Delta / Proctor / ITP)
- CIRIA C735 compliance summary
Tier 2
Full Brownfield Materials Schedule
£450
48h turnaround
- B1 + B2 + B3 + B4 materials covered
- NHBC LQ03 ready documentation
- Multiple supplier comparisons
- Installation sequence notes
- 1 revision included
Tier 3
Brownfield Premium with Remediation
£700
72h turnaround
- All B1-B6 categories
- Remediation material specification
- Contaminated fill classification advice
- Specialist contractor shortlist
- 2 revisions included