Headwalls

Headwalls for inlet or outlet openings range from 300mm to 3000mm in diameter, and offer an alternative to the traditional OPSD 804.030 and OPSD 804.040 cast-in-place concrete specification. No site forming or casting is required. Con Cast Pipe also offers a wide range of custom headwalls to fit your projects specific applications.

  • OPSD 804.030 HEADWALLS (Modified)
    • Ideal for pipe outlets discharging into open water courses
    • Culvert applications can also be accommodated upon special request
    • Site forming and casting not required
    • Size options include:
      • 300 mm Ø
      • 375 mm Ø
      • 450 mm Ø
      • 525 mm Ø
      • 600 mm Ø
      • 675 mm Ø
      • 750 mm Ø
      • 825 mm Ø

    OPSD 804.040 HEADWALLS (Modified)

    • Ideal for pipe outlets discharging into open water courses
    • Culvert applications can also be accommodated upon special request
    • All elements provided as precast, including footings
    • Site forming and casting not required
    • Size options include:
      • 600 mm Ø
      • 675 mm Ø
      • 750 mm Ø
      • 825 mm Ø
      • 900 mm Ø
      • 975 mm Ø
      • 1050 mm Ø
      • 1200 mm Ø
      • 1350 mm Ø
      • 1500 mm Ø
      • 1650 mm Ø
      • 1800 mm Ø
      • 2400 mm Ø

    Quality Standards:

    • Precast alternative to OPSD 804.030 & 804.040
    • Hand rail to OPSD 980.101 available upon request
    • Grating to OPSD 804.050 available upon request
    • 35 MPa concrete cured in accordance with CSA A23.4, normal curing
    • Reinforcing bars as per CAN/CSA G30.18, Grade 400W