A desilting chamber with harvesting is an essential component in sustainable architectural design, particularly in systems related to rainwater harvesting and stormwater management.
The desilting chamber acts as a pre-treatment unit, where it helps remove silt, sand, and other heavy particles from collected rainwater before it enters the main storage or recharge system.
This prevents clogging and prolongs the lifespan of the harvesting infrastructure. In architectural applications, integrating a desilting chamber ensures that the quality of harvested water is improved, making it more suitable for non-potable uses such as irrigation, flushing, or groundwater recharge.
The harvested water, after passing through the desilting chamber, can then be directed into storage tanks, percolation pits, or filtration units. This system not only supports water conservation efforts but also contributes to managing urban runoff and reducing the environmental impact of buildings.
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Image of Desilting chamber with harvesting detail and downloadable (in DWG) link below
Desilting chamber with harvesting detail drawing – 1
A desilting chamber with harvesting detail drawing in construction is a technical representation that illustrates how the system is integrated into a building’s rainwater harvesting infrastructure.
It shows the design, components, dimensions, materials, and flow directions involved in the process of sediment removal and water collection. Here’s a brief explanation of what such a detail drawing typically includes:
Desilting Chamber with Harvesting – Construction Detail Drawing Overview:
Inlet Pipe:
- Collects rainwater from rooftop or paved surfaces via gutters or downpipes.
- Marked with slope direction for gravity flow.
Desilting Chamber:
- A rectangular or cylindrical structure made of RCC, brick masonry, or HDPE.
- Partition walls or baffles to slow water and allow silt to settle.
- Base slope toward a silt trap or sump for easy cleaning.
- Removable cover or manhole for maintenance access.
Grating or Mesh Filter:
- Placed at the inlet to prevent large debris like leaves or twigs.
Outlet Pipe to Harvesting System:
- Located above the silt collection level.
- Leads clean water to storage tanks or percolation pits.
Silt Trap/Sump Pit:
- A lower section in the chamber where sediments settle.
- Designed with a drain valve or access for manual cleaning.
Water Storage/Recharging Unit:
- Could be an underground tank, surface-level tank, or percolation pit shown connected to the outlet pipe.
Construction Notes:
- Materials used (e.g., M20 concrete, waterproof plaster).
- Maintenance instructions.
- Dimensions (typically 1m x 1m x 1.5m deep for small-scale systems).
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