the work which, in the opinion of the Engineer, were defectively painted on account of such inferior material.

All recesses which would retain water or through which water could enter must be filled with thick paint or some water-proof cement before receiving final painting. All surfaces so close together as to prevent the insertion of paint-brushes must be painted thoroughly by using a piece of cloth instead of the brush.

SHIPPING.

All parts shall be loaded carefully so as to avoid injury in transportation, and shall be at the Contractor's risk until erected and accepted.

In shipping long plate girders great care is to be taken to distribute the weight properly over the two cars that support them, and to provide means for permitting the cars to pass around curves without disturbing the loading. In both the handling and shipment of metal-work every care is to be taken to avoid bending or straining the pieces or damaging the paint. All pieces bent or otherwise injured will be rejected.

TIMBER.

All timber must be of the best quality, sawed true and out of wind, full size, and free from wind-shakes, large or loose knots, decayed wood, sap, worm-holes, or any other defect that would impair its strength or durability.

ERECTION.

The Contractor shall furnish all staging and falsework, and shall erect, adjust, and paint all of the metal-work ready for the timber-floor. He shall also furnish and lay the latter and put on the track-rails, unless there be a written agreement to the contrary.

The Contractor shall employ suitable mechanics for every kind of mechanical work, and shall, at the request of the en-