Annexure 10:Requirements for Barrier
REQUIREMENTS FOR BARRIER-FREE ACCESS FOR THE PHYSICALLY CHALLENGED DIFFERENTLY ABLED PERSON, ELDERLY AND CHILDREN
(1) Site development:
Level of the roads, access paths and parking areas shall be described in the plan along with specification of the materials.
(2) Access Path/ Walk Way:
Access path from plot entry and surface parking to building entrance shall be minimum of 1800 mm. wide having even surface without any steps. Slope, if any, shall not have gradient greater than 5%. Selection of floor materials shall be made suitably to attract or to guide visually impaired persons (Limited to coloured floor material whose colour and brightness is conspicuously different from that of the surrounding floor material or the material that emit different sound to guide visually impaired persons hereinafter referred to as “guiding floor material”).
(i) Finishes shall have non-slip surface with a texture traversable by a wheel chair.
(ii) Curbs wherever provided shall blend to a common level.
For parking of vehicles of differently abled people, the following provisions shall be made
(i) Surface parking for two car spaces shall be provided near entrance for the physically handicapped persons with maximum travel distance of 30 meters from building entrance.
(ii) The width of parking bay shall be minimum 3.6 meters.
(iii) The information stating that the space is reserved for handicapped persons shall be conspicuously displayed.
(iv) Guiding floor materials shall be provided or a device which guides visually impaired persons with audible signals or other devices which serves the same purpose shall be provided.
(4) Building requirements:
The specified facilities for the buildings for handicapped persons shall be as follows:
(i) Approach at plinth level: Every building must have at least one entrance accessible to the handicapped and shall be indicated by proper signage. This entrance shall be approached through a ramp together with stepped entry.
(a) Ramp Approach: Ramp shall be finished with non- slip material. Minimum width of ramp shall be 1800 mm. with maximum gradient 1:12, length of ramp shall not exceed 9 meters having 800 mm high hand rail on both sides extending 300mm beyond top and bottom of the ramp. Minimum gap from the adjacent wall to the hand rail shall be 50mm.
(b) Stepped Approach: For stepped approach width of tread shall not be less than 300 mm. and maximum riser shall be 150 mm. Provision of 800 mm. high hand rail on both sides of the stepped approach similar to the ramp approach shall be made.
(c) Exit/Entrance Door: Minimum clear opening of the entrance door shall be 900mm and it shall not be provided with a step that obstructs the passage of a wheel chair user. Threshold shall not be raised more than 12 mm.
(d) Entrance Landing: Entrance landing shall be provided adjacent to ramp with the minimum dimension 1800mmx 2000 mm. The entrance landing that adjoins the top end of a slope shall be provided with floor materials to attract the attention of visually impaired persons (limited to coloured floor material whose colour and brightness is conspicuously different from that of the surrounding floor material or the material that emits different sound to guide visually impaired persons hereinafter referred to as “guiding floor material”). Finishes shall have a non-slip surface with a texture traversable by a wheel chair. Curbs wherever provided must blend to a common level.
(ii) Corridor connecting the entrance/exit for the handicapped: The corridor connecting the entrance/exit for handicapped leading directly outdoors to a place where information concerning the overall use of the specified building can be provided to visually impaired persons either by a person or by signs which shall be provided as follows:
a) Guiding floor materials, shall be provided or devices that emit sound to guide visually impaired persons.
(b) The minimum width shall be 1250 mm.
(c) In case there is a difference of level, slope ways shall be provided with a slope of 1:12 (d) Hand rails shall be provided for ramps/slope ways at a height of 800 mm.
(iii) Stair ways: One of the stairways near the entrance/exit for the handicapped shall have the following provisions: (a) The minimum width shall be 1350 mm. (b) Height of the riser shall not be more than 150 mm and width of the tread 300mm. The steps shall not have abrupt (square) nosing.
(c) Maximum number of risers on a flight shall be limited to 12.
(d) Hand rails shall be provided on both sides and shall extend 30mm on the top and bottom of each flight of steps.
(iv) Lifts: Wherever lift is required as per regulations, provision of at least one lift shall be made for the wheel chair user with the following cage dimensions of lift recommended for passenger lift of 13 persons capacity by Bureau of Indian Standards.
(a) The lift must have a clear internal depth: 1100 mm; clear internal width: 2000 mm; entrance door width: 900 mm.
(b) A handrail not less than 600 mm. long at 1000mm. above floor level shall be fixed adjacent to the control panel.
(c) The lift lobby shall be of an inside measurement of 1800 mm x 1800 mm or more. (d) The time of an automatically closing door shall be minimum 5 seconds and the closing speed should not exceed 0.25 meter/sec.
(e) The interior of the cage shall be provided with a device that audibly indicates the floor the cage has reached and indicates that the door of the cage for entrance/exit is either open or closed.
(f) The control panel shall have marking in Braille to help visually impaired.
(v) Toilets: One special Water Closet in a set of toilets shall be provided for the use of handicapped with essential provision of washbasin near the entrance for the handicapped which must have the following:—
(a) The minimum size shall be 1500 x 1750 mm.
(b) Minimum clear opening of the door shall be 900mm and the door shall swing out. (c) Suitable arrangement of vertical/horizontal handrails with 50mm clearance from wall shall be made in the toilet. (d) The Water Closet seat shall be 500mm from the floor.
(vi) Provision of W.Cs: (a) In Buildings without Lift: Provision of special W.C. shall be made on all floors for buildings designed for ambulant disabled persons. For buildings designed for non-ambulant disabled special W.C. shall be provided at Ground Floor. Size of W.C. shall depend on the type of wheel chair used by the disabled.
(b) In Buildings with Lift: Provision of Special W.C. shall be made on all floors. Size will depend on the category of disabled for whom it has been provided.
(vii) Drinking Water: Suitable provision of drinking water shall be made for handicapped near the special toilet provided for them.
(5) Designing for Children: In a building meant for the predominant use of the children, it is necessary to suitably alter the height of the handrail and other fittings and fixtures.
(6) Refuge: Refuge shall be designed as an alternative to immediate evacuation of a building via staircases and/ or lifts for movement of disabled persons to areas of safety within a building, for them to remain there until the fire is controlled and extinguished or until rescued by the fire fighters.
(i) Provisions of a refuge area that can safely hold one or two wheelchairs to be made at the fire protected stair landing on each floor.
(ii) Hand Doorways shall be installed with clear opening width of 900 mm and regular compliance.
(iii) The refuge area shall have an alarm switch installed between 900 mm and 1200 mm from floor level.
(7) Signage: Appropriate identification of specific facilities within a building for the differently abled person shall be made with proper signage as follows:—
(i) Signs shall be designed and installed so that they are easily legible by using suitable letter size (not less than 20 mm high) for the benefit of people with hearing disabilities.
(ii) For visually impaired persons, information board in brail shall be installed on the wall at a suitable height and shall be possible to approach them closely.
(iii) To ensure safe walking, there must not be any protruding sign which creates obstruction in walking.
(iv) Public Address System shall be provided in busy public areas.
(v) The symbols/information shall be in contrasting colour and properly illuminated because people with limited vision may be able to differentiate amongst primary colours.
(vi) International Symbol Mark for wheel chair be installed in a lift, toilet, staircase, parking areas that have been provided for the differently abled.