Supplied by Bonna Indonesia
Precast Concrete
Manholes
Empire Infrastructure supplies Bonna Indonesia precast concrete manholes from DN1000 to DN4000, for gravity sewer and stormwater as well as pressure potable water applications, with proven performance in Australian infrastructure.
Why Precast Concrete
Proven in Australian infrastructure
Consistent Manufacturing Quality
Precast manufacture gives consistent quality across every unit, rather than the variability that comes with in situ construction.
Three Application Types
The range covers standard gravity sewer and stormwater as well as pressure potable water applications, from DN1000 to DN4000.
Proven Performance
Bonna Indonesia manholes have proven performance in Australian infrastructure and throughout the world.
The Product
Precast concrete
manholes
Precast concrete manholes for a range of applications including standard gravity sewer and stormwater, as well as pressure potable water applications. Proven performance in Australian infrastructure and throughout the world, with consistent manufacturing quality.
Empire supplies Bonna Indonesia precast manholes across Australia and New Zealand, from DN1000 through to DN4000. Projects supplied include the Thornleigh project in New South Wales.
For project specific advice on chamber diameter, depth, benching and connection detail, contact Empire’s technical team.
Specifications
Precast manholes at a glance
The summary below covers the standard Bonna Indonesia precast manhole range supplied by Empire. Detailed chamber, benching and connection data is available from Empire’s technical team for your project.
| Parameter | Specification |
|---|---|
| Diameter Range | DN1000 to DN4000 |
| Material | Precast reinforced concrete |
| Applications | Gravity sewer, stormwater and pressure potable water |
| Supplier | Bonna Indonesia |
Note: Confirm chamber diameter, depth, benching, connection detail, cover class and pressure rating with Empire’s technical team against your project drawings and specification. The contractor remains responsible for compliance with local regulations and for applying appropriate safety factors.
Datasheets, brochures and technical documents for Bonna Indonesia precast manholes are available to download in the Empire Engineer Portal. Go to the Engineer Portal
Applications
Where precast manholes
are used
The Bonna Indonesia precast manhole range supplied by Empire covers the following applications.
| Gravity sewer | Standard access and inspection chambers on gravity sewer networks. |
| Stormwater | Access and inspection chambers on stormwater networks. |
| Pressure potable water | Chambers and risers for pressure potable water applications. |
| Large diameter | Chambers from DN1000 through to DN4000. |
In the Field
Precast manholes in production and on site
Frequently Asked Questions
Common questions on
precast concrete manholes
Quotes & Proposals
Lock in your manhole supply.
Tell Empire your chamber diameter, depth, quantity and location, and the team will respond with a quote. Typically within one business day.