Large Structures

Manholes

The 48" HP (High Performance) Manhole was developed with performance, ease of maintenance, and cost effectiveness in mind. It is lightweight for ease of installation and is a perfect solution for installations where corrosion is a concern.

Key Features

  • Available with a wide range of connection types and sizes
  • Made from ADS polypropylene pipe
  • Can be placed under load-bearing surfaces or in green spaces
  • Excellent abrasion and corrosion resistance
  • Light weight structure for easy installation
  • Optional accessories available, such as FlexStorm® inlet filters
  • Significant installed cost savings
  • Easy access for easy inspections and maintenance
  • Low maintenance costs
  • Enhanced jobsite durability and performance

 

Large Structure Grates

Curb Inlet

2x2 Diagonal
2x2 Diagonal
2x2 Standard
2x2 Standard
2x3 Diagonal
2x3 Diagonal
2x3 High Flow
2x3 High Flow
2x3 Roll
2x3 Roll

Road & Highway (H20)

12" & 15" Standard
12" & 15" Standard
12" & 15" Solid
12" & 15" Solid
18"–30" Standard
18"–30" Standard
18"–30" Solid
18"–30" Solid
30" Pedestrian
30" Pedestrian
2x2
2x2
2x2 Steel Bar
2x2 Steel Bar
2x3
2x3
2x3 Steel Bar
2x3 Steel Bar

Large Structure Applications

  • Allow for manway access following local regulations
  • Large pipe system connections
  • Detention systems
  • Inlet and Outlet storm water control

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