TRICEL NERO RANGE - STORMWATER MANAGEMENT

Nero range : Stormwater Attenuation Tank

OVERVIEW

Introduction

In response to escalating urbanization and climate change impacts, effective stormwater management has emerged as a paramount concern for municipalities and developers. Among the essential solutions addressing this challenge is the Tricel Nero range of stormwater attenuation tanks.

These tanks play a crucial role in mitigating flooding by temporarily storing excess stormwater, thereby reducing the risk of inundation. Additionally, they help minimize erosion and safeguard water quality by managing runoff contaminants.

In this article, we explore the significance of stormwater attenuation tanks, highlighting their benefits and key considerations for successful implementation. We delve into their pivotal role in sustainable urban development and resilience against climate-related challenges, underscoring their importance in modern infrastructure planning

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Rigofill installation - underground drainage system

What Are Stormwater Attenuation Tanks?

A stormwater attenuation tank, also referred to as a detention or retention tank, is an engineered structure designed to temporarily store excess rainwater during storms. These tanks play a crucial role in managing stormwater runoff by capturing water from impervious surfaces such as roads, parking lots, and rooftops. By storing this runoff, they prevent drainage systems from becoming overwhelmed and mitigate the risk of flooding downstream.

The primary function of a stormwater attenuation tank is to regulate the flow of stormwater, releasing it at a controlled rate to downstream watercourses or sewer systems. This controlled release helps to reduce peak flow rates during heavy rainfall events, thereby minimizing erosion and preventing potential damage to infrastructure and property.

Overall, stormwater attenuation tanks contribute significantly to sustainable urban water management practices by enhancing flood protection, preserving water quality, and promoting resilience against the impacts of climate change and urbanization.

Benefits of Nero range Stormwater Attenuation Tank

1. Flood Mitigation

Attenuation tanks play a crucial role in reducing urban flooding by slowing down the release of stormwater into drainage systems. This controlled release helps minimize peak flow rates during heavy rainfall events, thereby lowering the risk of inundation in urban areas.

2. Erosion Control

By effectively managing stormwater runoff, attenuation tanks contribute to erosion control. They prevent the erosion of soil and sedimentation in nearby water bodies, which helps maintain the integrity of aquatic habitats and protects infrastructure from potential damage caused by sediment deposition.

3. Water Quality Improvement

Attenuation tanks facilitate the settling of pollutants and sediments from stormwater runoff. This process allows contaminants to be removed before the water is discharged into receiving waters, thereby improving overall water quality and reducing the environmental impact of urban runoff.

4. Groundwater Recharge

Some attenuation tanks are designed to promote the infiltration of stormwater into the ground. This infiltration process helps replenish groundwater reserves, supporting sustainable water management practices and enhancing the resilience of urban water supplies to drought conditions.

Considerations for Nero range Implementation

Perform a comprehensive site assessment to ascertain the optimal size, placement, and design of the attenuation tank, taking into account site topography, soil characteristics, and projected stormwater runoff quantities.

Ensure adherence to local regulations and stormwater management standards during the design and installation of attenuation tanks.

Obtain required permits and approvals from relevant regulatory authorities.

Implement a routine maintenance plan to regularly inspect, clean, and upkeep the attenuation tank and its associated infrastructure.

Regular maintenance enhances system performance and extends its operational lifespan.

Explore the integration of stormwater attenuation tanks with additional green infrastructure practices like rain gardens, permeable pavements, and vegetated swales to amplify stormwater management advantages and bolster urban resilience.

Tricel Nero Range of Products

Tricel Rigofill ST full block

Tricel Crates

The Tricel crate system offers versatile components for the infiltration, retention, and storage of stormwater runoff. Ideal for smaller space/footprint.

Learn more
Tricel Nerostor - stormwater attenuation systems

Tricel Tunnels

Tricel chambers offer a sustainable underground stormwater management solution that enhances groundwater recharge. Great for sites with a high water table.

Learn more

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Frequently Asked Questions

Attenuation offers a lasting remedy for mitigating the risk of flooding resulting from water runoff during extended periods of rainfall. These sysems incorporate a flow control chamber designed to regulate the volume of water discharged into a nearby sewer system or watercourse, such as a river or reservoir.

Unlike a soakaway system, underground floodways can be positioned much closer to a building. The critical consideration is ensuring that the building load or foundation load does not impact the tank. Ideally, if you were to draw a 45-degree angle from the foundation, that line should not intersect the tank. However, this may vary depending on the depth of the tank. Nonetheless, they can be situated in proximity to the building.

The main factors to check out to choose the best system for your project are :

  • Stormwater System Application
  • Sizing
  • Footprint
  • Cover Depth
  • Base Preparation
  • Stormwater System Construction Equipment
  • Backfill
  • Product Material
  • Stormwater System Total Installation Cost

An underground floodway channels surplus flood or stormwater from the surface into subterranean tunnel facilities. Constructed incrementally, these flood tunnels are situated in regions where river channelization is impractical due to existing urban infrastructure.

Attenuation serves as a straightforward system for storing excess water, receiving water from various inlets like pipes and channel drains while typically having a single outlet. Acting as a void, the tank allows water to accumulate, preventing downstream drains from becoming overwhelmed during heavy storms. The outlet usually incorporates a flow control device, such as an orifice plate or vortex flow control, to regulate the discharge rate of water. Tank size is determined based on factors such as rainfall, surface area, and considerations for climate change.

Properly designed tanks should consistently accommodate the site’s water volume.

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