(a) Chamber walls shall be laid up with full mortar bed in accordance with the details shown on the plans. Joints on the interior surface shall be struck.
(b) The entire outer surface of the chamber shall be plastered with a coating of mortar not less than one-half inch thick.
(c) Brick shall not be laid on the formed concrete base until it has set properly. Brick shall not be laid in water nor shall water be permitted to come in contact with the masonry until the mortar has thoroughly set.
(d) The valve shall be protected from mortar drippings and the entire interior of the chamber shall be cleaned of excess mortar and debris before the chamber shall be classed as being completed.
(e) Premolded expansion material shall be placed between the pipe and the masonry walls wherever pipe passes through the masonry walls.
(Ord. 352. Passed 10-22-62.)