REPORTS OF THE BUILDING COMMITTEE. 653 



from slipping by brackets of wbite pine, eighteen inches (18 in.) in length, firmly 

 fastened to the rafters. 



The roof of the east lecture room will be framed in the same manner as that of 

 the central building, of timbers of the same size and material. Its span will be forty- 

 nine feet, (49 ft.) and the number of frames, seven, (7.) 



The roof of the east connecting range will also be framed in the same manner, of 

 timbers of tbe same size and material. The number of frames in it will be six, (6.) 



The roof of the western wing will be framed in the same manner, and with timber 

 of the same description, but of the following dimensions : tie-beam, 4 by 12 inches ; 

 rafters, 4 by 10 inches ; king post, 4 by 8 inches ; queen posts, 4 by 6 inches ; strutts, 

 4 by 6 inches ; purlines, 3 by 10 inches ; set three feet (3 ft.) from centre to centre. 

 The number of frames in the west wing will be six, (6.) 



The roofs of the side aisles of the gallery of art, and of the cloisters in front of 

 the two connecting ranges, will be framed according to section. (Plan E, No. 3.) 



Tie-beam 3 by 8 inches, rafter 3 by 12 inches, strutt 3 by 6 inches, upright 3 by 6 

 inches, all of the best white pine timber. 



There will be six frames in each side aisle and cloister. 



The roof of the clerestory of the gallery of art will be framed of the following 

 dimensions and materials : 



Tie-beams, 5 by 12 inches, best white pine. 

 King post, 5 by 7 inches, best white oak. 

 Two rafters, 5 by 10 inches, best white pine. 

 Two strutts, 5 by 6 inches, best white pine. 



The purlines will be 6 by 10 inches, set three feet (3 ft.) from centre to centre. 

 The number of frames will be six, (6.) 



The roofs of the square towers will be framed in the form of a flat hipped roof, 

 with diagonal and square tie-beams, king post, strutts, rafters, and purlines, of the 

 same materials as above, and of dimensions suited for their respective spans. 



The roof of the octagonal tower will be framed in a similar manner. 



The roofs of the other towers will also be framed with diagonal and square tie- 

 beams, and hip rafters, curved to the shape of roofs, and strongly braced with diag- 

 onal braces, strutts, and uprights throughout. 



All the remaining roofs, if any, including those of the porches, &c, are to be 

 framed in such manner, and of such dimensions, timber and workmanship, as shall 

 be directed by the architect. 



Deafening. — All the floors, except those of the chemical lecture-room and students' 

 working laboratory and other fire-proof rooms, will be prepared for deafening, with 

 strips and plank, in the best manner. 



Basement. — The floors of the basement of the west wing, and west central range, 

 will be of the best Georgia yellow pine narrow plank, not more than five inches (5 

 in.) wide, laid in courses, and blind-nailed. 



First story. — The floors of the library, lecture-room, cloisters, apparatus room, 

 campanile tower, and, in general, all the floors of this story, except such as are 

 directed to be tiled or flagged, and including the cloisters and side slides, which will 

 be planked under the flagging, will be of the best clear Georgia yellow pine, narrow, 

 1\ inch plank, laid in courses not more than five inches (5 in.) wide, and blind- 

 nailed. 



Second story. — The floor of the museum will be laid, first, of 1\ inch narrow white 

 pine plank, over which will be laid a mosaic or tesselated floor of black walnut, yel- 

 low pine, white oak, maple, and other American woods, arranged in such patterns as 

 may be directed by the architect. The upper floor will be blind-nailed to the lower 

 one, and all its joints will be glued up strongly in the best manner. 



Galleries, <$r. — The floors of all the galleries of both stories, and all the floors of 

 all the towers, will be of the best Georgia yellow pine, not more than five inches (5 

 in.) in width, blind-nailed, and laid in courses. 



All the above floors will be of thoroughly seasoned 1\ inch plank, planed, tongued 

 and grooved, and laid in courses in the best manner. All the butts and joints will 

 be planed true, after the floors are laid. The plank must be free from sap, shakes, 

 and black or unsound knots ; and when clear plank is specified, it must be free from 

 all blemishes. 



Roof. — All the roofs of every part of the building and towers to be sheathed with 



