STAIRWAY DESIGN AND CONSTRUCTION. - Page 41 - Section 11 - Stair Building

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STAIRWAY DESIGN AND CONSTRUCTION.

newel and half newel, thus finishing the soffit of the platform.


NEWEL POSTS AND HAILS


39. Newel Posts and Hails. — The length of newel posts is governed by the depth of the stringer, including the soffit molding. Fixing the height of the easement at G, Fig. 30, and the height of the level hand rail at/, the height of the hand rail up the flight is figured, and the rail is made parallel to the line of the stringer. There is nothing important in the position of G, except that it fixes the level of the knee at k.
To produce a good easement, i l must equal i m, and m n must be at right angles with m i. Let m o equal the thickness of the hand rail; from n as a center, describe the ease­ment lines op and i n l. For the ramp and knee, make q r from ½ to 1½ inches; perpendicular to q s, draw rv; make t u equal to r t; from u draw u v at right angles to t u; make r w equal to the thickness of the rail, and draw wk parallel to qs. With v, the intersection of rv and uv, as a center, describe the arcs r u and wx. The ramp and knee at the upper landing are defined in the same way. The rail may be curved, as indicated by the arc c\' e\', forming a goose neck.


SPECIAL ARRANGEMENT OF NEWELS


40. Special Arrangement of Newels. — In Figs. 31 and 32Fig.31 and Fig. 32. The plan and elevation of a quarter-platform stairway having a quarter-cylinder connection to the landing.Fig.31 and Fig. 32. The plan and elevation of a quarter-platform stairway having a quarter-cylinder connection to the landing. are shown the plan and elevation of a quarter-platform stairway having a quarter-cylinder connection to the landing, thus avoiding the use of a second newel.


SINGLE NEWEL


41. In Fig. 33Fig. 33. Straight stairway, with a single newel set diagonally at the landingFig. 33. Straight stairway, with a single newel set diagonally at the landing are shown the plan (a) and elevation (b) of a straight stairway, with a single newel set diagonally at the landing, the stringer facia and hand rail being curved to enter two adjacent faces of the newel. In the plan, abed is the position of the carriage timber; A and B indicate the position of the floor beams. Half balusters are set against the sides of the newel to which the hand rails are connected. In the elevation, a\' b\' c\' d\' show the depth and position of the carriage timbers, and A is the landing floor beam. Draw s\'e\'h\' in the elevation equal to the arc oeh on the plan;


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