Hull Construction Regulations (C.R.C., c. 1431)

112 The collision bulkhead of a ship of 15 tons, gross tonnage, or less may be fitted with a drain cock that

• (a) has a straight through bore of not more than 38 mm in diameter;

• (b) is self-closing;

• (c) is attached directly to the collision bulkhead; and

• (d) drains directly into the bilge without the addition of any piping.