Precast Concrete Products
Maintenance Hole 3000mm x 1800mm Box Chambers
Available at Ayr and Carp
Base Slab
(Mass - 4672 kg)
Riser
(Mass - 6919 kg)
Transition
(Mass - 5075 kg)
Flat Cap
(Mass - 5350 kg)
Notes
  1. Manufactured in accordance with CHBDC.
  2. Click here for maximum pipe size and alignment angles.
  3. Available riser section heights - 305, 610, 914, 1219, 1524, 1829, 2134 and 2500.
  4. Maintenance hole steps (circular hollow aluminum) as per OPSD 405.010.
  5. All dimensions are in millimeters unless otherwise shown.