9.14.3.

(1) Drain tile and drain pipe for foundation drainage shall conform to,

(a) ASTM C4, “Clay Drain Tile and Perforated Clay Drain Tile”,

(b) ASTM C412M, “Concrete Drain Tile (Metric)”,

(c) ASTM C444M, “Perforated Concrete Pipe (Metric)”,

(d) ASTM C700, “Vitrified Clay Pipe, Extra Strength, Standard Strength and Perforated”,

(e) CAN/CGSB-34.22, “Asbestos-Cement Drain Pipe”,

(f) CAN/CSA-B182.1, “Plastic Drain and Sewer Pipe and Pipe Fittings”,

(g) CSA G401, “Corrugated Steel Pipe Products”, or

(h) NQ 3624-115, “Polythylene (PE) Pipe and Fittings – Flexible Corrugated Pipes for Drainage – Characteristics and Test Methods”.

(1) Drain tile or pipe used for foundation drainage shall be not less than 100 mm in diam.

(1) Drain tile or pipe shall be laid on undisturbed or well-compacted soil so that the top of the tile or pipe is below the bottom of the floor slab or crawl space.

(2) Drain tile or pipe with butt joints shall be laid with 6 mm to 10 mm open joints.

(3) The top half of joints referred to in Sentence (2) shall be covered with sheathing paper, 0.10 mm polyethylene or No.15 asphalt or tar-saturated felt.

(4) The top and sides of drain pipe or tile shall be covered with not less than 150 mm of crushed stone or other coarse clean granular material containing not more than 10% of material that will pass a 4 mm sieve.