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HomeMy WebLinkAbout410 - Masonry Regulations• • • • ORDINANCE NO. 410 The City of Newport Beach by and through its City Council, do ordain as follows, to -wit: SECTION 1. All buildings and structures of every nature, des- cription and kind hereafter erect- ed, constructed, repaired, con- ditioned or reconditioned in the City of Newport Beach, involving masonry of any description what- ever, shall be erected, constructed, repaired, conditioned or recon- ditioned only in compliance with the following specifications: (a) Mortar. All mortar for all types of masonry including inter- ior clay tile partitions shall be composed of not less than one (1) cubic foot of Portland cement to not more than four and one -half (4y,) cubic feet of clean washed sand, to which may be added not more than one -half I%) cubic foot of lime putty, which has been slacked at least ten days before using, or hydrated lime. All meas- urements shall be box measure- ments and all mortar shall be thoroughly mixed, preferably by machine. Shovel measurements are hereby prohibited. All mortar shall be used within one hour after the addition of the Portland ce- ment. and no mortar shall be re- tempered. (b) Workmanship. All mason- ry units shall be laid with full shoved mortar joints with all head. bed and wall joints solidly filled with mortar. (c) Bond in Masonry. All brick work shall be laid with full header courses bonded through walls not more than every fourth course in height (three stretcher courses between headers). (d) Veneer and Facing. All masonry veneer and facing shall be fully bonded as herein provid- ed except that masonry veneer or facing may be applied in front of steel or reinforced concrete mem- bers or walls when tied or an- chored thereto in accordance with written instructions from the Stories oughly cleaned of all adhering mortar. (f) Wetting of Masonry Units. All masonry units shall be thor- oughly wetted not more than one hour before laying and shall be damp at time of laying. (g) Connecting New and Old Masonry. All bonding surfaces of old or existing masonry to which new masonry is to be added shall be thoroughly cleaned of all old mortar and the surfaces thor- oughly wetted at time new work is built. All new masonry shall be defin- itely tied into old or existing ma- sonry by means of reinforced con- crete, steel, or other means which will be adequate, in the opinion of the Building Inspector, to meet the special condition. All walls or parts of walls which are shattered or in which the bond between the mortar and the brick is ruptured shall be tak- en down to a point where the wall is tight and well bonded. (h) Concrete Belt Courses and Ties. Except on dwellings and private garages, the exterior walls of masonry construction shall be tied vertically and horizontally with reinforced concrete ties as follows: Horizontal belt course ties shall be placed under the floor joists of each floor above the first floor and under the ceiling joists or roof rafters. Vertical ties shall be placed at each corner of the building and not more than fifty (50) feet apart in the walls. Ver- tical ties shall be not less than eight (8) inches in any dimension and in no case less than four (4) inches thinner than the wall. The depth of horizontal ties shall be equal to at least four (4) courses of brick work and its width shall be at least equal to the wall thick- ness minus the width of a brick, but in no case less than eight (8) inches. Each vertical and hori- zontal tie shall be reinforced with four (4) reinforcing bars of the sizes shown in the following table: 4 1/-in. sq. 4 % -in. sq. 4 i/2 -in. sq. 4 % -in. sq. 4 % -in. sq. 4 ih -in. sq. 4 1 -in. sq. 4% -in. sq. 4 % -in. sq. 4 %- in.sq. Building Inspector. In veneering on wood frame (Type V) construction, the veneer shall be tied to the studding by 30d large head galvanized nails driven to a two -inch penetration not more than twelve (12) inches on center vertically, nor more than sixteen (16) inches on center hor- izontally. Corrugated clips and other forms of ties are prohibited unless approved by the Building Inspector. Veneering on wood frame (Type V) construction will not be permitted except on resi- dences, duplexes and private gar- ages. (e) Used or Second -hand Mas- onry Units. No used or second- hand masonry units shall be used unless they are sound and at least 90% whole, and have been thor- All vertical and horizontal bars shall lap forty (40) diameters of the bar but in no case less than twenty -four (24) inches. Vertical ties shall extend to the top of the parapet walls. All vertical and horizontal bond ties shall be band- ed with one - quarter (y,F) inch round hoops not more than eigh- teen (18) inches on center. Lintels over openings more than four (4) feet in• width which are of structural steel shall be en- cased over top and sides with concrete. When the ends of lintels are less than eighteen (18) inches apart they shall be effectively tied together. (I) Parapet Walls. All mason- ry parapet walls shall be not less than eighteen (18) inches and not more than thirty -six (36) inches in height above the roof adjacent thereto. A horizontal belt course tie of reinforced concrete shall be placed at the top of all parapet walls. Such ties shall be reinforc- ed with at least one (1) one -half- inch square bar continuous. Hori- zontal parapet wall ties shall be not less than three (3) inches deep and not less than the width of the wall. All masonry parapet walls shall be reinforced vertically with three -eight inch round bars twelve (12) inches on center extending into the belt course tie below, and hooked around the horizontal re- inforcing bar in the top capping. Such vertical bars shall be placed four (4) inches,from the roof side of the wall. (j) Chimneys. ..In rebuilding chimneys they' shall be taken down below any point of possible fracture and rebuilt using the mortar specified above. In each of the corners place at least one (1) one - half -inch round bar, and every eighteen (18) inches on center of vertical height place a one- quarter inch hoop laid in the mortar joint. Where chimneys are built of one thickness of brick with flue lin- ing, the vertical reinforcing bars may be placed between the flue lining and the. brick and such space shall be well filled with mor- tar. In new chimneys the vertical bars shall extend into the founda- tion. A smoke test will be required after all chimneys are repaired. SECTION 2.' The Building In- spector of the. City of Newport Beach, or his authorized repre- sentative, may'enter any building or premises for the purpose of in- specting the same, or to prevent a violation of this ordinance, upon the presentation of the proper cre- dentials, whenever any building work involving masonry is being done contrary to the provisions of this ordinance, or is being done in an unsafe or dangerous manner, the Building Inspector may order the work stopped by notice in writing served on any persons en- gaged in the doing, or causing such work to be done, and any ;uch person shall forthwith stop ;uch work until authorized by the Building Inspector to recommence ind proceed with the work. SECTION 3.' The provisions of '.his ordinance are intended to and ;hall supercede any provisions in my existing ordinance or ordin- inces or building code or building :odes in conflict herewith. SECTION 4. This ordinance is m emergency measure and is re- :uired for the immediate preserva- .ion of public peace, health and .afety, and the facts constituting is urgency are as follows: That m the 10th day of March, 1935, m earthquake occurred generally affecting certain cities in Southern :alifornia also affected the City of Newport Beach; that said earth - luake and a number of smaller arthquakes following the same, in- ured and destroyed many build - ngs and structures 'n said city, and further cracked, leorezed and made unsafe certain other buildings and structures in said city; that many of said buildings are unsafe for the purpose for which they were constructed and erected, and unsafe for human occupation, and generally dangerous to persons and property in the City of New- port Beach by reason of said earthquake so injuring and dam- aging them; that there is no or- dinance of said City of Newport Beach covering the proper con- struction of buildings in which masonry is used; that in order to make said buildings and struc- tures safe for the purpose for which they were constructed, and safe in so far as persons and prop- erty are concerned, it is very urgent that said buildings be re- paired, conditioned, and recon- ditioned and reconstructed, where masonry is used, under the terms and conditions of the above ordin- ance; that a great many owners of buildings and structures are de- sirous of reconstructing, repairing and /or reconditioning the build- ings and structures damaged by said earthquake of March 10th, 1933, and the earthquakes follow- ing the same, in order that they may put said buildings to a gain- ful use: that the method of con- structing said buildings under the building code are unsafe, and it is therefore necessary that this or- dinance be passed immediately in order to safe -guard the public peace, health and safety. SECTION 5. The City Clerk shall certify to the separate vote on the urgency of this ordinance, and to its passage by the vote of five (5) members of the City Council of the City of Newport Beach, and cause the same to be published once in NEWPORT NEWS, a newspaper of general circulation in the City of Newport Beach, and it shall thereupon take effect. SECTION 6. Any person, firm, co- partnership or corporation vio- lating any of the provisions of this ordinance shall be deemed guilty of a misdemeanor, and shall be punished by a fine not to exceed $300.00, or by a jail sentence in the City Jail of Newport Beach or the County Jail of Orange County, not to exceed ten (10) days, or by both such fine and im- prisonment. I hereby certify that the ques- tion of the urgency of the fore- going ordinance was passed and the foregoing ordinance was adopted by a vote of five (5) mem- bers of the City Council of the City of Newport Beach, at a spec- ial called meeting thereof held on the 23rd day of March, 1933. AYES, Councilmen: Gordon, Claire, Ellsworth, Garfield, Hil- mer. NOES, Councilmen: None. ABSENT, Councilmen: None. HERMANN HILMER, Mayor of the City of Newport Beach. Attest: FRANK L. RINEHART, (Seal) City Clerk. Pub. —March 23, 1933. Y O 5, td H ri Y ri EL U 4 O ss • U Y UOa)H O U y W d 0 A OF,,,, Y qb U d m C) a) 0 Cd Y4+ R l- O h0 M rE q C-) m ( OO4'. a) H H H +4 (]. (D Oroa ri W H 'd U U O 0i Y Y fd () b H A a) fd Y W Y tto r. Al a) p O 0.14 F'. Y >' rl H a>,oaa))a W U a) a) o vi S (d r4 Y $ H U ri A4 a) a) ld O F. U H .rl j! ld H U id H 5, O a) m fsA0P4 () a) Y F4 ad H a)Gaj0 4 fd Y O (D Cdro ro a a H ri ai . Y .,.1 Al U ad 9 rn a) m O O\ Cq .rl U ri Gl • • 1• • •