Master FAQ Compendium

About this document

What is inside

1. I to II
   Overview, technology and design basicsWhat the system is, the correct terms, how the chamber works and how water moves through the profile.
2. III
   Water usage and efficiencyWhere the savings come from, how large they are, non-traditional sources and net-zero water.
3. IV
   Applications and use casesTrees and forestry, green roofs, sports fields and golf, farmland, greenhouses and date palms.
4. V
   Technical performance and reliabilityCapillary action, clogging, storm surges, root intrusion, salt build-up and subsurface fertilisation.
5. VI to VII
   Design, installation, materials and componentsInstallation depth, subgrade, cell design, retrofit, chambers, liner, sand and gravel, plumbing and power.
6. VIII to IX
   Operations, irrigation and drainage dynamicsMaintenance, flushing, frost, filters and pumps, scheduling, pressure, high water tables and waterlogging.
7. X to XII
   Benefits, economics and regulationPlant health, fertiliser, erosion, carbon, cost and payback, green building credits, codes and effluent safety.
8. XIII
   Pilots, studies and proof of conceptThe notable case studies, what has been demonstrated in the Gulf, and how to read demonstration-plot data.
9. XIV to XV
   Special topics, troubleshooting and supportDesert climates, reject water, passive cooling, partial coverage, uneven wetting, damage and warranties.
10. XVI to XVII
    Proven technology and field questionsThe analytical case for sand culture, liner and chamber, and field questions from cold climates to rodents and aeration tines.
11. XVIII
    Salinity, brine and agronomy in depthReject brine, capillary desalination, salt accumulation, halophytes, mangroves, and salt-tolerant trees, wheat and rice.
12. XIX to XXI
    Chambers, wastewater reuse and hydraulic designChamber sizing and densities, wastewater treatment and reuse in the GCC, and the engineer's design-stage questions.