Precast Concrete Layback Inlets

Precast Concrete Layback Inlets

Civilcast Precast Concrete Layback Inlets, part of Civilcast's Precast Concrete range, are reinforced concrete junction pit inlets designed to meet local council requirements in South Coast NSW, suiting installations in either laybacks or roll kerbs. They are available as a single-width unit, or a double-width configuration made up of two single units supported by a low-profile double-width riser, which is specified for high stormwater flow areas. Reinforced concrete construction is built to withstand significant pressure and environmental stress, keeping maintenance costs down since units are less prone to cracking, shifting or degrading over time. One example variant, suited to Shoalhaven City Council requirements, is rated Class D. Councils with similar layback inlet specifications should confirm compatibility before ordering.

Features

Precast Concrete Layback Inlets are designed specifically to meet South Coast NSW council requirements, available as a single-width unit or a double-width configuration where two units sit on a low-profile riser for higher stormwater flow. Reinforced precast concrete construction underpins both configurations, built to withstand pressure and environmental stress over time.

  • Designed to South Coast NSW council specifications
  • Single-width or double-width configuration
  • Double-width uses a low-profile riser to support two single units
  • Reinforced concrete construction
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Benefits

Reinforced concrete construction is what underwrites all three benefits here: it resists the cracking and shifting that drives most repair costs — see precast vs in-situ concrete — keeps junction points performing during high-intensity stormwater flow rather than flooding locally, and extends service life so councils budget less often for replacement.

  • Fewer maintenance call-outs over the asset’s life, since the units resist the cracking and shifting that drives most repair costs
  • Reduces the risk of localised flooding at junction points during high-intensity stormwater flow
  • A longer service life reduces how often councils need to budget for inlet replacement

Applications

These inlets are specified for junction pit installations in either laybacks or roll kerbs, primarily on South Coast NSW council infrastructure projects where local specifications apply. Where a single junction point needs to handle higher stormwater flow, such as with the Class D variant suited to Shoalhaven City Council requirements, the double-width configuration is specified instead of a single unit.

  • Junction pit inlets in laybacks or roll kerbs
  • South Coast NSW council infrastructure projects
  • High stormwater flow areas (double-width configuration)

Technical Specifications for Precast Concrete Layback Inlets

Products Description Quantity Quote Request
LEU96D SCC
Precast concrete layback inlet/ entry unit encased roll kerb grate & frame suit Shoalhaven City Council Class D
PR225 300 SCC
Precast Concrete Double Pit Riser with 100 x 23 CT Steel Teel Beam suit Shoalhaven City Council

FAQ's

When a single unit doesn't have enough capacity for the expected stormwater flow. The double-width configuration effectively doubles intake capacity at the same junction point.

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