In order to create environment and condition of work suitable for those who are aged and physically handicapped, certain basic specifications are recommended in the buildings such as: Space to cater for wheel chair turning, distance between crutch tips, acoustical insulation, audible loud speaking system, avoidance of glare, provision for ventilation, non-slip floors and ramps, minimum clear width of the doors and doorways, placement and setting of door closers, easy door handles and locks, lifts, width and riser of steps etc.