The DAVANT Manhole Riser is an essential component designed to extend the height of manholes in underground drainage systems, ensuring that the manhole cover is flush with the surface level. This riser provides flexibility during installation and maintenance, accommodating varying depths and surface finishes.

Key Features:

1. Material: Constructed from high-quality PVC or polypropylene, offering excellent durability and resistance to corrosion, chemicals, and physical impacts.
2. Design:
   • Height Adjustment: Allows for precise height adjustment of manholes to match the surface level, ensuring easy access and maintaining system integrity.
   • Secure Fit: Designed to fit securely with existing manhole bases and covers, providing a stable and reliable connection.
   • Stackable: Multiple risers can be stacked to achieve the desired height, offering flexibility and convenience.
3. Sizes: Available in various diameters and heights to fit standard manhole dimensions and meet different installation requirements.
4. Colour: Typically available in black, conforming to industry standards for easy identification and compliance.
5. Compatibility: Seamlessly integrates with standard DAVANT manhole bases and covers, ensuring system integrity and performance. Kitemarked BSEN 1401-1

Benefits:

• Height Flexibility: Provides the ability to adjust the height of manholes, ensuring the cover is flush with the surrounding surface, which is essential for both safety and aesthetics.
• Durability: Engineered to withstand harsh environmental conditions, heavy loads, and ground movement, ensuring long-term reliability.
• Ease of Installation: Simple to install, allowing for quick and secure height adjustments with minimal tools and effort.
• Secure Connection: Ensures a watertight and stable connection to the manhole base and cover, maintaining the integrity of the drainage system.
• Low Maintenance: Resistant to corrosion and biological growth, reducing the need for frequent maintenance.

Applications:

• Residential Areas: Ideal for adjusting the height of manholes in driveways, gardens, and other residential areas to match varying surface levels.
• Commercial and Industrial Sites: Suitable for use in commercial and industrial settings, providing flexibility in manhole height adjustment to accommodate different surface finishes.
• Public Spaces: Effective in parks, pavements, and pedestrian zones, ensuring manholes are flush with the surface for safety and aesthetic purposes.
• Stormwater Management: Useful in stormwater systems to ensure manholes are accessible and properly aligned with surface levels, facilitating efficient water management.