1924 ORDINANCES - Laserfiche WebLink

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1.12 x 1-1/2 x 1/4 inch angles at front and back; two 1-1/2 x 1/4 inch bars between, lying glatwise; one inch space between bars. All such treads stlall be strongly fastened together with cross bare not more than 14 inches apart. RAILINGS. Railings shall be provided on all open sides of platforms and stsirways, on both sides of balanced stairways. Either a railing or a handrail fastened to 1611 shall be provided on each side of all "S" fire escape stairways. Railings shall be st least 3 feet high, measuring vertically from floor of platform or from nose of step. Every railing shall have posts, not more than 5 feet apart made of not lose that 1-1/2 x 1-1/2 x 1/4 inch angles or tees, or 1/2 inch pipe; top rail not less than 1-1/4 x 1/4 x 1/4 inch angle or equivalent; center rail not less than 1-1/4 x 5/16 flat bar or equivalent; All connection shall be such as tom slte the railing stiff; two bolts (3/8 inch or larger) shall be used at the foot of each post wherever possible, or at least 1/2 inch bolt shall be used. Railings shall be continuous. No projections on the inside of the railing shall be permitted. Where a railing returns to the wall, it shall be fastened thereto with a through bolt ( at least 5/8 inch in diambter), nut and washer; or (in rein- forced concrete's with an approved insert; or the railing shall be made equally secure with a diagonal brace extending at least 3 feet horizontally and 3 feet vertically. All outside railings which are more than 60 feet above grade shall be at least 6 feet high, measuring vertically from floor of platform or from nose of step. Such railings shall be of special design approved by the industrial Commission, having not less than four longitudinal rails, and vertical lattace bare not more than eight inches apart, and proper etiffening braces or brackets. LADDER TO ROOF. Every fire escape which extends higher than the second floor shall be provided with a ladder leading from the upper platform to the roof, unleB8 the fire escape stairway leads to the roof. The ladder shall have stringers not less than 1-1/4 inch Pipe, or not less than 2 x 3/8 inch flat bars, at least 17 inches apart in the clear. The rungs shall be not less than 1/2 inch square of 5/8 inch around bars, 14 inches center to center. The stringers shall be securely tied together at intervals no gr. ater than every fifty rung. The top rung of each ladder shall be not less than 4 feet above the roof coping, and the ladder shall return within 2 feet of the roof if the coping is more than 2 feet above the roof. Ch) Every fire escape shall be kept clear at all times of rubbish, snow, ice, or other obstruction, and all doors and windows leading to fire escape shall be kep unlooked except for panic locks easily released from the inside without the use of a key as well as free from all snow, ice, and other foreign material, which might pervent the instant opening of same. ( i ) Live load :requirements. Every part of a fire escape shall be made strong enough to safely carry sixty (60) pounds to live load per square foot of platform, and the stairs shall be designed to safely carry two hundred (200) pounds per tread, uniformly distributed all with a factor of safety of four (4). (J) Placards. Every building having fire escapes shall have placards bearing the inscription "FIRE ESCAPES" posted in conspicuous places in the corridors of every floor above the first floor, indicating the location of the fire esdapes, and it shall be the duty of the owner, manager, or any person or persons having charge of a building to see that Ouch placards are provided, properly placed and maintained. (k) Inpeection and Repair. Every fire escape shall be inspected immediately after its completion and semi-annually thereafter by the City Manager or designated official, and a report of every such inspection shall be made and filed in the office of the City Manager and a record thereof kept. d copy of such report shall be given to the owner or agent and to the tenant.