Page 79 - Building Regulation Design Guidelines - Architecture Book (Blue Code)
P. 79

SEcTION: 9  OPENINGS REQUIREMENTS                                                   SEcTION: 9  OPENINGS REQUIREMENTS



                           9.4.2.3  Closed Pantries:  With the exception of the residential                    9.4.2.6  The floor shall be hard surfaced, non-absorbent and
                                  apartments that are not permitted to have this type of                              adequately drained.
                                  Kitchen; the minimum dimension of the shaft shall be 1.2X
                                  1.2 meter. There shall be mechanical ventilation, according                  9.4.2.7  All shafts and courtyards shall be open to the sky. If any
                                  to the specifications and conditions approved by the                                roof or other structure is built to cover them, the following
                                  Authority. (figure-25)                                                              conditions and requirements shall be applied:
                                                                                                                      a)  If the roof is transparent or semi-transparent, side
                           9.4.2.4  Bathrooms: The minimum dimension of the shaft shall be
                                  1.2 X1.2 meter (figure-25) with exemption of replacement                               vents shall be provided, with a total area of at least
                                  of natural ventilation and lighting by mechanical                                      equal to the shafts area.
                                  ventilation  and lighting according to  the  specifications                         b)  If the roof is opaque, side vents shall be provided,
                                  and conditions approved by the Authority.                                              with  a  total  area  of  least  one  and  half  times  the
                                                                                                                         shafts area.
                                                       ≥ 1.2 m
                                                                                                                      c)  A suitable way of opening and closing these vents
                                                                                                                         shall be provided.
                                                                     ≥ 1.2 m                                          architectural design such as cinemas, commercial
                                                        Shaft                                                  9.4.2.8  Some buildings are special cases because of their

                                                                                                                      centers, etc.. These are allowed to provide mechanical
                                                        *W                                                            ventilation  and lighting  according to  the  specifications
                                                                                                                      and conditions approved by the Authority.



                                              Closed Pantry /
                                               Bathrooom
                                                  *A


                                                                *W ≥ 5% A
                                                                *A ≥ 4.5 m²
                                                 ≥ 1.8 m

                                  Figure-25   Shaft for Closed Pantry / Bathroom


                           9.4.2.5  Any court yard and shaft shall be accessible at its floor
                                  level for maintenance and cleaning purposes. Shafts with
                                  1.2 meter width to be equipped by fixed metal ladders if
                                  applicable.


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