Radford's Cyclopedia of Construction: Carpentry, Building and Architecture, Based on the Practical Experience of a Large Staff of Experts in Actual Construction Work, Volume 3

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William A. Radford, Alfred Sidney Johnson
Radford architectural Company, 1909 - Architecture
 

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Page 139 - S, the outer or cut and mitered string. At AA the ends of the risers are shown, and it will be noticed that they are mitered against a vertical or riser line of the string, thus preventing the end of the riser from being seen. The other end of the riser is in the housing in the wall string. The outer end of the tread is also mitered at the nosing, and a piece of material made or worked like the nosing is mitered against or returned at the end of the tread. The end of this returned piece is again...
Page 275 - ATKINSON, its most noted exponent, consists in so disposing the timber and plank in heavy solid masses as to expose the least number of corners or ignitable projections to fire, to the end also that when fire occurs it may be most readily reached by water from sprinklers or hose.
Page 8 - ... and 700 sq. ft. is considered as a day's work in arriving at the figures given below. This estimate is based on a 6-ft. walk having a 4-in. base, consisting of 1 part cement, 2 % parts sand and 5 parts crushed stone, covered with a %-in. top of 1 part rrtm-nt and I Vi parts sand.
Page 168 - Second coat, one-quarter inch thick. Mix one part cement as above, one part fine sand and two parts medium sand or crushed granite. Before the second coat has set hard, it may be jointed to present the appearance of stone work. A small addition of lime flour increases the adhesion of the mortar. "The finished surface should be protected for at least two weeks with canvass curtains or bagging saturated with water.
Page 141 - ... back ends of the mortises can be cut out, when the treads will be ready to receive the balusters. The mortises are dovetailed, and, of course, the tenons on the balusters must be made to suit. The treads are finished on the bench; and the return nosings are fitted to them and tacked on, so that they may be taken off to insert the balusters when the rail is being put in position. Fig. 27 shows the manner in which a wall string is finished at the foot of the stairs.
Page 141 - ... are attached to the string; then, when the time arrives to put up the rail, the back ends of the mortises can be cut out, when the treads will be ready to receive the balusters. The mortises are dovetailed, and, of course, the tenons on the balusters must be made to suit. The treads are finished on the bench; and the return nosings are fitted to them and tacked on, so that they may...
Page 277 - On this a floor of 2-inch seasoned plank should be pressed, nailed on edge without perforating the waterproofing under it, and the hardwood top floor boards nailed across the plank. Cement concretes promote decay of wood in contact with them. If extra support is required for heavy machinery, independent foundations of masonry should be provided. 4. In regard to timbers and columns it should be remembered that all woodwork in standard construction, in order to be slow-burning, must be in large masses...
Page 284 - Excessive Heat when roofs are thin. (4) Excessive Condensation on the underside of roof and glass when the temperature outside is low and there is considerable moisture in the rooms. Approved Methods of Construction. The following suggestions show how...
Page 284 - ... case should these timbers be less than 6 in in width nor of insufficient depth to carry the load. This, also, is in order that they may be SLOW-BURNING. The roofs in all cases should be constructed of planks and have wide bays. Steel Roof-Trusses. The adaptability of the light forms of STEEL FOR FRAMING TRUSSES, especially when wide spans are needed, often compels their use; and in plants having a safe occupancy, such as that of metal-workers, steel trusses are not objectionable, providing adequate...
Page 139 - Stair with Open, Cut and Mitered String. Fig. 25 gives a side view of part of a stair of the better class, with one open, cut and mitered string. In Fig. 26, a plan of this same stairway, WS shows the wall string; RS, the rough string, placed there to give the structure strength ; and 0 S, the outer or cut and mitered string. At AA the ends of the risers are shown, and it will be noticed that they are mitered against a vertical or riser line of the string, thus preventing the end of the riser from...

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