only under dry and dust-free atmospheric conditions. c. Workmanship: method except when, Paint may be applied by the spray in the opinion of the Engineer, spray- ing in any particular application would produce unsatisfactory results, Brush applications shall be applied with clean, long bristled brushes of suitable sizes. During application, the paint shall be continuously stirred and no thinner shall be added in excess of that specified. Each coat of paint shall be full and even on 411 surfaces, well worked into joints, corners and end grain of wood, and shall be free of brush marks, sags, runs or other defects. 10-07. PAINTING SCHEDULES: a. Scope: The following Interior and Exterior Painting Schedules shall govern, except as otherwise called for on the plans or otherwise directed by the Engineer, Surfaces not herein specifically mentioned shall be painted in the same manner as like surfaces set forth in the sched- ules. Additional coats of paint shall be applied if, the opinion of the Engineer, they are required. in Since in- terior areas will be to some extent exposed to outside at- mospheric conditions, "exterior" types of paint have in some instances been specified for interior use. Paint coats as specified in the following Painting Schedules shall be applied full body except as otherwise called for therein or otherwise specified by paint manufacturer. b. Interior Painting Schedule: 1. titions. . etc. Finish Woodwork: (a) Doors and door frames. (b) Wood sash. (c) Plywood wall, ceiling panels and par- (ad) Moulding and trim. (e) Exposed studs and sheathing. (f) Exposed roof construction. (g) Benches, shelves, counters, cabinets, First coat shall be Dutch Boy No. 600 Interior and sealer or approved equal. 10-6