Indian Standard No. Title CONCRETE IS 458 : 1988 Concrete pipes (with and without reinforce-ment) (Third revision) Is 782 : 1985 Code of practice for laying of concrete pipes (First revision) IS 784 : 1978 Prestressed concrete pipes (including fittings) (First revision) IS 1916 : 1989 Steel cylinder reinforced concrete pipes (First revision) IS 3597 : 1985 Methods of test for concrete pipes (First revision) IS 7322 : 1985 Special for steel cylinder reinforced concrete pipes (First revision)