This concrete manhole adjusting unit is designed to provide a practical solution for raising or lowering ductile or cast-iron covers and frames to the required level in manhole chambers. The unit measures 1050 x 65mm with a 600 x 600mm central opening, making it suitable for common access sizes.
Typically used in drainage and civil engineering projects, the adjusting unit replaces traditional engineering brickwork. Its reinforced concrete construction offers straightforward handling and installation on site, supporting efficient alignment and cover level adjustments during manhole construction or maintenance.
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