(1) Concrete pipe shall conform to CSA-A257 Series, “Standards for Concrete Pipe and Manhole Sections”.
(2) Joints with external elastomeric gaskets shall be made with corrosion resistant external band type flexible mechanical couplings that conform to CSA B602, “Mechanical Couplings for Drain, Waste, and Vent Pipe and Sewer Pipe”.
(3) Concrete fittings field fabricated from lengths of pipe shall not be used.
(4) Concrete pipe shall not be used above ground inside a building.
(5) Precast reinforced circular concrete manhole sections, catch basins and fittings shall conform to CSA A257.4, “Precast Reinforced Circular Concrete Manhole Sections, Catch Basins, and Fittings”.