Building Code of the Philippines(1)

Machine prime mover an engine or motor operated by

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Unformatted text preview: each care or cab. 3.5 Temporary crane operation without warning device may be allowed provided there is a flagman whose sole duty is to warn those in the path of the crane or its load. 3.6 The maximum rated load of all cranes shall be plainly marked on each side of the crane. If the crane has more than one hoisting unit, each hoist shall have marked on it or its load block, its rated capacity clearly legible from the ground or floor. 4. Hoists: 4.1 Operating control shall be plainly marked to indicate the direction of travel. 4.2 Each cage controlled hoist shall be equipped with an effective warning device. 4.3 Each hoist designed to lift its load vertically shall have its rated load legibly marked on the hoist or load block or at some easily visible space. 4.4 A stop, which shall operate automatically, shall be provided at each switch, dead end rail or turntable to prevent the trolley running off when the switch is open. 4.5 Each electric moist motor shall be provided with an electrically or mechanically operated brake so arranged that the brake will be applied automatically when the power is cut off from the hoist. 5. Elevators: 5.1 Hoistways for elevators shall be substantially enclosed throughout their height, with no openings allowed except for necessary doors, windows or skylights. 5.2 Ropes, wires or pipes shall not be installed in hoistways, except when necessary for the operation of the elevators. 5.3 Hoistway pits shall be of such depth that when the car rests on the fully compressed buffers, a clearance of not less than 600 millimeters remains between the underside of the car and the bottom of the pit. 5.4 When four or more elevators serve all or the same portion of a building, they shall be located in not less than two (2) hoistways and in no case shall more than four (4) elevators be located in any one hoistway. 5.5 Where a machine room or penthouse is provided at the top of a hoistway, it shall be constructed with sufficient room for repair and inspection. Access shall be by means of an iron ladder or stairs when the room is more than 600 millimeters above the adjacent floor or roof surface. The angle of inclination of such ladder or stairs shall not exceed 60° from the horizontal. This room shall not be used as living quarters or depository of other materials and shall be provided with adequate ventilation. 5.6 Minimum number of hoisting ropes shall be three (3) for traction elevators and two (2) for drum type elevators. 5.7 The minimum diameter of hoisting and counterweight ropes shall be 30 millimeters. 5.8 Elevators shall be provided with over-load relay and reverse polarity relay. 5.9 In high-rise apartments or residential condominiums of more than five (5) stories, at least one passenger elevator shall be kept on 24-hour constant service. 6. Escalators 6.1 The angle of inclination of an escalator shall not exceed 35° from the horizontal. 6.2 The width between balustrades shall not be less than 558 millimeters nor more than 1.20...
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