As a contractor, it's your responsibility to safeguard the facility from life-threatening accidents and mishaps. Making the facility easily accessible for people is the top priority of contractors. And, this is where the tactile walking surface indicators like the Tactile Warning Plates come to the rescue of contractors. Tactile walking surface indicators are built into or applied to the walking surfaces for warning pedestrians about the potential hazards. Tactile warning indicators help visually impaired people by making it easy for them to identify and understand the built environment. The TWSI's give warning signals to visually impaired people through their contact by foot or cane with the ground surface. Tactile plates are the tactile surface indicators that contractors can install on the sidewalks, stairs, and platforms to assist people with visual impairment. But, before installing the TWSI, contractors must be aware of the project specifications, the need f