(A) Whenever the work of paving stops, for 30 minutes or more, a header, the top of which is true to the shape and grade of the finished pavement shall be set in a vertical position at right angles to the center line of the pavement. The concrete shall be poured up the header and spaded and tamped into place so as to leave no porous place in the concrete. A one-half inch radius edging tool shall be used on the corners.
(B) Bars in accordance with detail SD-23 shall be installed in the concrete. When work is resumed, the exposed portion of the dowel shall be covered with heavy grease. The fresh concrete shall be placed directly against the face of the previously poured concrete and well spaded around the rods. The edge of the freshly poured concrete shall be finished with a one-half radius edging tool.