1 Plumbers' rates vary significantly by location. 2  In some areas plumbers charge $45 -$75 an hour; in other regions the hourly rate can be $75 -$150. 3  Most plumbers charge a two-hour minimum or a service call fee of $75 -$150, and some plumbers bill a flat fee per job instead of an hourly rate.
However end chairs, one may have a 36â clear between wall and. table edge as long as all chairs are accessible via 36â clear path. Copier room: Placement of the copier allows for the 60â. clear in front of copier (Ballast p.31) while preserving the clear. ï¬oor space for the door and swing. Although some codes vary.
Regular chairs have a standard seat height of 17 to 19 inches. Shelves above a desk. For an office or workspace with open shelves or uppers, 22 to 24 inches is standard for shelf placement above the top of the desk. This is high enough to clear most computer screens and even accommodate undercounter lights.