Precast Concrete Products
Maintenance Hole Box Chambers Ottawa Standard Wall
Available at Ayr and Carp
Box Name Length
L
Width
W
Wall Thickness
WT
mm mm mm mm
M-3.3 914 914 152
M-4 1219 1219 229
M-5 1524 1829 229
M-5.5 1829 1829 229
M-6 1676 2438 229
M-6.5 1829 2438 229
M-7 1676 3048 229
M-7.5 1829 3048 229
M-8 2438 2438 229
M-9 2438 3048 229
M-9.5 3048 3048 229
M-10 2438 3810 229
M-11 3048 3810 229
M-12 3810 3810 229
M-13 2438 4270 229
M-14 3048 4270 229
M-15 4270 4728 229
Notes
  1. Butyl tape gasket to be used with this Maintenance joint design.
  2. All dimensions are in millimeters unless otherwise shown.