(A) Forms shall be set to line and grade on a prepared subgrade for at least 300 feet ahead of the placing of the concrete. They shall be joined neatly and tightly, shall be set with exactness to the required grade and alignment and shall have a uniform bearing on the subgrade throughout their entire length. The forms shall be tested for stability and any springing of forms under any equipment operating thereon will not be permitted.
(B) Forms shall not be removed from the newly poured pavement for a period of 48 hours, unless specifically authorized by the engineer.