. Cyclopedia of architecture, carpentry, and building : a general reference work. Pig. 19. Sill on Wall. 34 BUILDING SUPERINTENDENCE 27 of the girder is available and that it is possible to run hot air and otherpipes up in the partitions without cutting the girder. If flush girdersare used the position of mortises, as well as the position of the mor-tises in the sill should be examined by the superintendent to see that. Flush Girder. Fig. 20. Dropped Girder. the openings framed for chimneys, stairways, etc., are correctly laidout according to the framing plans. Obvious errors will, of course,b
. Cyclopedia of architecture, carpentry, and building : a general reference work. Pig. 19. Sill on Wall. 34 BUILDING SUPERINTENDENCE 27 of the girder is available and that it is possible to run hot air and otherpipes up in the partitions without cutting the girder. If flush girdersare used the position of mortises, as well as the position of the mor-tises in the sill should be examined by the superintendent to see that. Flush Girder. Fig. 20. Dropped Girder. the openings framed for chimneys, stairways, etc., are correctly laidout according to the framing plans. Obvious errors will, of course,be easily detected but it will save much annoyance later if everymortise is verified before the floor is put on. When this is done thefloor timbers may be set. These are usually two inches in breadthand in our case are ten inches deep. Upon these joists is invariablylaid, in the East, a rough floor of |-inch boards either of spruce orhemlock upon which theworkmen can move to carryout all subsequent opera-tions. It has been the cus-tom in the West to omitthis under floor, but thesaving is very slight and thebenefits of the double floorare many. In the first placethe under floor stifi^ens thebuilding perceptibly, is ofgreat convenience to theworkmen, and allows the laying of the upper floor to be put offuntil the very last thing. This is an important consideration inthese days of bare floors and has led to the adop
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