Bigdaddy concrete precast manhole

Description

🧱 General Precast Concrete Manhole Specifications

Precast manhole systems are manufactured off-site and delivered ready for installation. Common features and requirements include:

• Construction: They are typically made of precast concrete or constructed using concrete and brickwork laid on mortar, having a minimum chamber depth of 600mm.

• Standards and Loading: Precast reinforced concrete manholes are often required to conform to standards like ASTM C478 and be designed for heavy loads, such as H-20 loading (referring to AASHTO highway loading standards).

• Dimensions: Precast manhole systems come in various sizes, with diameter ranges commonly spanning 1200mm to 1800mm.

• Installation Details:

  • A construction joint is a minimum requirement.

  • The distance between the top of the pipe and the underside of the precast concrete sections must be maintained within a specific range, often a minimum of 50mm up to a maximum of 300mm.

  • The covers used are often Ductile iron.

A Bigdaddy precast manhole product would likely adhere to these industry specifications, emphasizing quality and high-load bearing capacity, consistent with the company’s focus on reliable concrete solutions.