The daily morning journal and courier., 1897-12-24

WoouSh glEuefsi supported by Iron or Wuuu- eh CQlumnS, or piers of masonry, are suDstl' tuted in place of brick partition walls, the building shall not exceed ten thousand feet area on the ground floor, except in case of hre'proot buildings which may be construct ga as herelnafter provided for ln secton lllrty eight of this title. In case the walls or any building are less than twenty-five dat deet apart, and less than forty feet ,l m uepth, or there are cross walls Wnlch lu- tersect the wall, not more than forty rect distant or between the same, or piers or Dultresses built into the walls, the interior walls may he reduced In thickness In 1Hst proportion to the number of cross walls, piers or Duttresses, and their neArness 10 each otherj provided, however, that this clause shall not apply to walls below sixty feet In height, and that no such wall shall be less than twelve inches thick at the top, and gradually Increased in thickness by set ous to the bottom; and the Inspector of Buildings is hereby authorized and empoW- cred to decide except where herein other wise provided for) how much the walls herein mentioned may be permitted to be reduced in thickness, according to the pecu' lar iH elrGunlstances of each case without m en, dangerlng the strength and safety. of the building. The walls of churches, theaters, toundricS, machine shops, car or stage houses, armories, public markets not over TWO stories in height, and other buildings Of 2 pu .c character shall h no case be less than Is in this act specified for warehouses; I; and said buildings shall have, in addition thereto, such piers or buttresSes us, in the
 
 De necessary to make safe and substantia building. One-story structures, not exceed ing height of fifteen feet may be built wh eghfGh walls When tGs bearing and the length of the eight-inch bearing wall does not exceed forty-fve feet. Curtain walls of brick, built in between iron or steel columns, and supported wholly or in part on iron or steel girders, shall not be less than twelve inches thick for fifty feet of the up- permost height thereof, or to the nearest tier Of beams to that measurement, in any building so constructed, and every lower section of fifty feet, or to the nearest tier of beams to such vertical measurement, or part thereof, shall have a thickness of four inches more than is required for the. section next above it, down to the tier of beams nearest to the curb level; and thence down ward the thickness of walls shall increase ih the ratio prescribed in section twenty one of this title for the thickness of found alton walls.
 The height of all stories for all given thieknesses of walls both in this section and section twenty-three must not exceed eleven feet ill the clear for the basement seventeen feet in the clear for the first story, fourteen feet in the clear for the sec ond story, and twelve feet in the clear in all stories above the second If any story exceed these heights respectively the walls of such story and the walls of all stories below the same shall be Increased four inches in thickness additional to the thick nesses already mentioned
 Sec. 21. In all walls the same amount of materials may be used in piers or buttresses Curtain walls may be made four inches less in thickness than is specified respectively for walls of dwellings, and buildings other than dwellings. If any horizontal section through any part of any bearing wall in any building shows more than Twenty-Five per centum area of tiues and openings, the said wall shall be increased four inches in thickness for every ten per centum, or frac- ton thereof, or tue or opening area in ex- cess of twenty five per centum. All piers shall be built of stone or good, hard we'll burnt brick laid in cement mortar. Every pier built of brick, containing less than nine superficial feet at the base supporting any beam, girder, arch or column on which a wall rests, or linte spanning an opening over ten feet and supporting a wall, shall in height have built into 1t a bond stone not less than four inches thick, or n cast-iron plate of sufficient strength, and the full size of the piers, Isolated brick piers shall not exceed tn height eight times their least di- mansions. Stone piers or posts for the sup port of posts or columns above shall not be used in the interior of any building, Where walls or piers are built Of coursed stone with dressed level beds and vertical joints, the Inspector of Buildings shalt have the right to allow such walls or piers to be built of less thickness than specified for brick work, but in no case shall sad walls or piers be less than three-quarters of the thickness provided for brick work In all brick walls every sixth course shall be q heading course, except where walls are faced With brick in rllnnipg bond, in which latter case every sixth course shall be bond ed Into the backing by cutting the course of the face brick and putting in diagonal head CTS behind the same or by splitting the face brick in half and backing the same with q continuous TOW of headers. All stone nsed for the facing of any building, and known as ashar, shall not be less than four inches thick. Stone aShlar shall he anchored 10 the backing and the backing shall be of such thickness as to make the walls (inde- pendent of the ashar( conform to the thick ness required by sections twentyrthree and twenty four of this title. Iron a3hlar plates used in Imitation of stone aShlar on the face of wall shall be backed up with the same thickness of brick work as stone ashlar. Walls heretofore built for or used as party walls whose thickness 1t the time of their erection was in accordance with the require meuts of the then existing laws, but which are not in accordance with the requirements of this ti1e, may be used If in good condi- tion for the ordinary uses of party walls provided the height of the same be not in creased. In case it Is desired to increase the height of existing party or independent walls. which walls are less in thickness than required under this title, the same shall be done by lining of brick work to form Il combined thickness with the old wall of not less than four inches more than the thick ness required for q new wall corresponding with the total height of the wall when so increased in height The said lining shall hc supported on proper foundations and
 
 of Buildings may require. No lining shall be less than eight inches in thickness and all lining shall be hid up in cement mortar and thoroughly anchored to the old brick walls with suitable wrought iron anchors placed two feet apart and properly fastened or driven to the old walls In rows altenat- ing vertically and horizontally with each other, the old walls being first cleaned of plaster or other cOatrfgs where any lining is to be built against the same. In no ease shall any wall or walls of any building be carried up more than two stories in advance of any other wall except by permission of the Inspector of Buildings The front rear side and party walls shall be properly bond ed together or anchored to each other every six feet in their height by Wrought-iron tic anchors, not less than one and a half inches by three-eighths of an inch in size and not less than twenty-four inches long. The walls of every building, during the erection or atera ton thereof shall be strongly brac- ed from the beams of each story, and, when required, shall also be braced from the out side, until tine building is nciosed. The roof tier of wooden beams shall be safely anchored with plank or joist to the beams of the story below until the building is in closed.
 Sec. 26. The walls of all buildings below the curb level, or the first tier of floor beams nearest thereto, shall be laid in cement nor tar and the backing-up of all stone ashlar shall also be laid up with cement mortar. or cement mortar and lime mortar mixed but this shall not prohibit the parginp of the back of the nShlr with lime mortar All other walls built of brick or stone shall be laid in lime or cement mortar, or in lime and cement mortar mixed. In all walls that are built hollow, the same uuaptitv nf stone or brick shall he used in their con struction as if they were built solid, as in this title provided, and no hollow wall shaii be built unless the parts of same are con nected by proper ties, either of brick. stone or iron, placed not over tWenty-four inches