Catchment and gutter capacity reviewed against local rainfall intensity
RHELGAN Water Systems
Rainwater · Distributed Supply
RW-RHRainwater Harvesting System
A complete rainwater pathway from roof catchment through pre-filtration, storage and project-selected treatment, designed around rainfall, catchment area and the intended water use.
Project-sizedinitial planning envelope
01Roof catchment
02screening / first flush
03storage
04treatment as required
05distribution
Source pathways to review
Start with the water that is actually available.
Roof catchmentMultiple-building catchmentSupplementary bore or municipal top-up where designed
System architecture
Build the operating system around storage.
Debris screening and first-flush strategy coordinated with roof and environment
Storage sized from rainfall pattern, catchment area, demand and required autonomy
Treatment selected according to potable / non-potable use
Overflow, drainage and top-up strategy defined in the system design
Project inputs
What we need before the configuration is locked.
Roof catchment area and material
Local rainfall data and seasonal dry periods
Daily water demand
Intended water use
Tank location and overflow route
Available power and distribution method
Operations + maintenance
Design for the people who will run it.
Keep roof, gutters and screens clean
Inspect and maintain first-flush components
Prevent cross-connection with other water systems unless properly designed
Schedule tank inspection, sediment management and treatment maintenance
Project resources
Carry this configuration into a controlled project package.
Demand & Storage Planner
Check daily demand, autonomy and planning storage before tank selection.
Open plannerSource-Water Review
Structure source quality, yield and treatment questions before process selection.
Open reviewResponsibility Matrix
Clarify equipment, civil works, services, pipework, installation and approvals.
Open matrixLogistics & Site Receiving
Plan container access, unloading, storage, site readiness and local handling.
Open logistics guideProject specification control
Rainwater storage should not be sized from tank preference alone. Catchment area, rainfall distribution, water use and acceptable shortage risk control the useful storage volume.
Final storage volume, material, potable-water evidence, treatment process, pump duty, structural design, foundations, controls, installation, commissioning and destination requirements are confirmed for the exact project configuration.
RHELGAN · WATER STORAGE & SUPPLY SYSTEMS