Page 123 - Building Regulation Design Guidelines - Architecture Book (Blue Code)
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SEcTION  14  ACCESS RAMPS REQUIREMENTS                                    SEcTION: 14  ACCESS RAMPS REQUIREMENTS







                A ramp is defined as a sloping vehicular / pedestrian way, attached to the building      14.1.4   The minimum vertical clear height above any point on the ramp
                as a means of moving from one floor level to another without encountering any                   shall be 2.4 meter.
                obstruction.
                                                                                                         14.1.5   For one-way straight ramps, minimum acceptable width is 3.0
                Natural or mechanical ventilation and lighting shall be provided for every part of              meters and 6.3 meters for a two-way straight ramp.  Where a
                the ramp as per Authority related code with all the necessary provisions made for               barrier is used between lanes to separate traffic flows, each lane
                cleaning and draining off rainwater.
                                                                                                                should be at least 3.0 meters wide for straight and 3.5 meters for
                                                                                                                curved ramp lanes with a minimum inner radius of 4.5 meters.
                14.1  VEhIcLE RAMPS
                                                                                                                (figure -51)
                     14.1.1   Straight ramps shall have a slope of not more than 10%; and
                            curved ramp not more than 8%. ( figure -49)
                                                                                                                                                  Curb

                                   Inner Radius ≥4.5m             Slope ≤8%
                                                                                                                                                             ≥ 3.0 m  min
                                                                                                                                             Ramp
                                                                                                                          ≥ 3.5 m
                                                                                                                                                 Curb

                                                                                                                                  R ≥ 4.5 m
                                                                  Slope ≤10%
                               Outer Radius ≥8.0m
                                                                                                                                One-Way Single Lane
                             Figure -49   Straight and Curved Vehicles Ramps Requirements

                     14.1.2   Driveways used exclusively for ingress and egress shall not                                          Straight Ramp    Up        ≥ 3.0 m
                            exceed 10% slope.                                                                                                                   ≥ 0.3 m
                     14.1.3   Parking stalls and vehicle maneuvering areas shall not exceed                             ≥ 3.5 m                  Down         ≥ 3.0 m
                                                                                                                   Curved Ramp
                            2% slope. (Figure -50)                                                                           ≥ 3.5 m

                                  Slope ≤2%                                                                                      R ≥ 4.5 m  Curb



                                                                                                                                 R ≥ 8.0 m

                                                                                                                                 Two-Way Single Lane
                                                                                                                 Figure-51   Straight and Curved Vehicles Ramps Dimensions
                                 Figure -50   Vehicles Sloped Parking Area


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