[23] 



94 



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 gallerj' 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 S inches, rafter 3 by 12 inches, striitt 3 by 6 inches, 

 upright 3 by G inches, all of the best wliite 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 fol- 

 lowing dimensions and materials : 



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



Kmg-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 w^ill be six (6.) 



The roofs of the square towers will be framed in the form of a flat hip- 

 ped 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 Jiip-rafters, curved to the shape of roofs, and stongly 

 braced with diagonal braces, strutts, and upriglits tiiroughout. 



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 work- 

 manship, 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. 



FLOORS. 



Basement. — The floors of the basement of the west wing, and west cen- 

 tral range, will be of the best Georgia ^-ellow 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 nar- 

 row white pine plank, over which will be laid a mosaic or tesselated floor 

 of black walnut, yellow 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, Sfc. — 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 iu'^hes (5 in.) in width, blind-nailed, and laid in courses. 



All the '.ibove floors will be of thoroughly seasoned 1 ^ inch plank, planed, 



