Mr. Inspector
SAWHORSE
I'm looking at a reception window. In front of the window there is a accessible 36" high shelf/counter that is lower than the bottom of the window for the public. The employee side of the window also has a higher counter than the accessible shelf. If the shelf has the required space (17" deep for knee and toe space) under it for a forward approach then the window opening and the empolyee side counter doesn't need to be the same height the full depth as it would for a parallel approach?
Why is that?
904.3.1 Parallel Approach.
A portion of the counter surface 36 inches (915 mm) minimum in length and 36 inches (915 mm) maximum in height above the floor shall be provided. Where the counter surface is less than 36 inches (915 mm) in length, the entire counter surface shall be 36 inches (915 mm) maximum in height above the floor. A clear floor space complying with Section 305, positioned for a parallel approach adjacent to the accessible counter, shall be provided.
from the commentery:
Typically, service counters are designed and used from both sides at the same time. An employee will address the counter from one side while the other side is used for customers. Sales and service counters are designed using a vast assortment of materials, and the sizes and shapes are limited only by the imagination of architects and designers. Because sales and service counters can take on many shapes and be constructed to a wide variety of sizes it is important to establish guidelines that will ensure a portion of the counter will contain an area that is accessible for someone using a wheelchair. The 36 inch (915 mm) height will allow for a standard counter height. The width of the accessible counter must be at least 36 inches minimum. For interaction between the customer/employee, the 36-inch (915 mm) height must be the full depth of the counter. A shelf under a higher window is not adequate.
904.3.2 Forward Approach.
A portion of the counter surface 30 inches (760 mm) minimum in length and 36 inches (915 mm) maximum in height above the floor shall be provided. A clear floor space complying with Section 305, positioned for a forward approach to the accessible counter, shall be provided. Knee and toe clearance complying with Section 306 shall be provided under the accessible counter.
from the commentary:
Sometimes a service counter can be the location where someone may need to fill out forms or access information. In these cases, the service window should have a forward approach with knee and toe clearances similar to a work surface.
Why is that?
904.3.1 Parallel Approach.
A portion of the counter surface 36 inches (915 mm) minimum in length and 36 inches (915 mm) maximum in height above the floor shall be provided. Where the counter surface is less than 36 inches (915 mm) in length, the entire counter surface shall be 36 inches (915 mm) maximum in height above the floor. A clear floor space complying with Section 305, positioned for a parallel approach adjacent to the accessible counter, shall be provided.
from the commentery:
Typically, service counters are designed and used from both sides at the same time. An employee will address the counter from one side while the other side is used for customers. Sales and service counters are designed using a vast assortment of materials, and the sizes and shapes are limited only by the imagination of architects and designers. Because sales and service counters can take on many shapes and be constructed to a wide variety of sizes it is important to establish guidelines that will ensure a portion of the counter will contain an area that is accessible for someone using a wheelchair. The 36 inch (915 mm) height will allow for a standard counter height. The width of the accessible counter must be at least 36 inches minimum. For interaction between the customer/employee, the 36-inch (915 mm) height must be the full depth of the counter. A shelf under a higher window is not adequate.
904.3.2 Forward Approach.
A portion of the counter surface 30 inches (760 mm) minimum in length and 36 inches (915 mm) maximum in height above the floor shall be provided. A clear floor space complying with Section 305, positioned for a forward approach to the accessible counter, shall be provided. Knee and toe clearance complying with Section 306 shall be provided under the accessible counter.
from the commentary:
Sometimes a service counter can be the location where someone may need to fill out forms or access information. In these cases, the service window should have a forward approach with knee and toe clearances similar to a work surface.