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Unformatted text preview: o bearers of not less than 560 mm, in width, such
that the planks do not deflect more than 50 mm. under normal loading.
5.3.11 In buildings of skeleton construction, the steel framing may be left in place during
the demolition of masonry work. When this is done, all steel beams, girders and
the like shall be cleared of all loose materials as the demolition preogress
5.4 Demolition of Floors
5.4.1 Before the demolition of floors and floor beams the floors and beams shall be
completely supported by temporary planking and supports. When the load is transferred to lower floors, these floors shall be carefully
Demolition of loors shall not be started until the surrounding floor area to a
distance of 6.00 meters have been entirely cleared of debris and other unnecessary
5.4.2 No floor, roof or other part of a building that is being demolished shall be so
overloaded with debris or materials as to render it unsafe. 5.4.3 Where workmen are engaged in the removal of loors, planks of ample strength
which are supported idependently of the flooring shall be provided for the
workmen to step on. The planks shall be so placed as to give the workmen a firm
support in case the floor gives way or collapses unexpectedly. Where it is
necessary for a workman to straddle a space between two planks, such space shall
not exceed 400 millimeters. To enable workmen to reach any work place without
the necessity of walking on exposed beams, planks shall be provided to serve as
Stringers of ample strength shall be installed to support the planks where
necessary. The ends of such stringers shall be supported by the floor beams or
girders. 5.4.4 Planks used for temporary protection shall be sound, and at least 25 mm. thick.
They shall be laid close together, with the ends overlapping by at least 100 mm.
over solid bearings to prevent tipping under a load. 5.4.5 Where floors are being removed, no workmen shall be allowed to work in the area
directly underneath. Such parts shall be barricaded to prevent access to it. 5.4.6 structural or load-supporting members on any floor shall not be cut or removed
until all stories above the floor have been demolished and removed. 5.4.7 Where any floor has been removed, the entire tier of beams on which any device
is supported shall be completely planked over, except for such openings as are
required for the handling of material or equipment. 5.4.8 Tairs and stair railings shall be kept in place and in usable condition as long as it
is practicable. Steps and landing shall be kept free from debris. RULE XVI - LIGHT AND VENTILATION
Pursuant to Sections 801 to 811 of the National Building code (PD 1096), the following rules and
regulations shall be observed:
1. General Provisions: 1.1 1.2 All buildings shall face a street or public alley or a private stree which has been duly
approved. 1.3 No building shall be altered nor arranged so as to reduce the size of any room or the
relative area of windows to less th...
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- Fall '12