introduction concrete pipe 600 mm Diameter Catch Basin Material stormwater treatment technologies box sections Product Description 600 dia. x 1830 mm CB w/ Monolithic Base 600 mm dia Top Slab w/ 610 mm dia. Opening 635 dia. x 150 mm Grade Ring 635 dia. x 100 mm Grade Ring 635 dia. x 75 mm Grade Ring 635 dia. x 50 mm Grade Ring 600 mm dia. K-7 Top Slab Product Weight (kg) 1005 95 120 80 60 40 130 manhole and catch basin material Notes: • Monolithic catch basins in 600 mm diameter size do not come with steps. LAFARGE PIPE eMANUAL PAGE 11