All connecting sewer pipe branches or junctures, whether or not intended for immediate use, shall stand a twenty pound test. Care shall be taken that the interior of the pipes is free from obstructions and that the whole house connections and sewer are left clean and in good condition. All pipes exposed to frost shall be packed with mineral wool or other substance equally good and shall be cased to the satisfaction of the Superintendent of Sewers.
(Ord. B-423. Passed 4-3-51.)