Floor sinks must have adequate grates to prevent injury and be accessible for regular cleaning.
Floor sinks requirements.
Floor sinks and floor drains shall be suitable flanged to provide a water tight joint in the floor slab floor drains shall be installed in commercial kitchens floor shall slope to drain.
Food service rules and regulations 511 6 1 effective 11 1 2015.
The approved wall finish material shall extend from the top of the cove base to a height of at least four 4 feet except behind upright mechanical dishwashers where the wainscot must extend to eight 8 feet from the finished floor.
The clear floor space shall be on an accessible route and shall extend a maximum of 19 in 485 mm underneath the sink see fig.
4 diameter alterations greater than 50 shall have accessible water closets urinals and lavs.
Floor sinks for new construction or additions where floor sinks are required the floor sinks may be either raised or flush mounted.
Please verify with the building jurisdiction for their requirements.
Sanitary floor sinks are used to receive surface drainage in areas where sanitation is a priority such as institutional kitchens and hospitals and to drain indirect waste from various sinks lavatories condensate drains and other equipment.
Clear floor space at elements.
The sprayer unlike the faucet can sometimes be immersed so it must have some type of backflow prevention such as a vacuum breaker or a check valve.
All wainscoting must extend a least 18 inches to the sides of sinks and mechanical dishwashers.
Provisions for these elements apply the clear floor or ground specifications in 305.
Floor sink as a waste receptor.
Clear floor or ground space 305 sufficient clear floor or ground space is required at accessible controls operable parts drinking fountains lavatories and sinks atms and fare machines appliances beds and other elements.
The item in the picture to the right is referred to as a floor sink.
It is similar to a floor drain as it is installed flush with the floor but has a much larger chamber to receive the indirect wastes and does have a strainer as called for in the plumbing code in addition to the grate.