Chapter 08 - Study Problem 02 - Plumbing and Mechanical Requirements Answers.pdf

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Chapter 8: Study Problem #2 Answers 1. 9 female, 9 male Explanation: An elementary school is considered an Educational (E) occupancy in IPC Table 403.1. If you look for “Educational” under the column titled “Classification,” there are no subclassifications. The ratio for water closets is “1 per 50. As required by the IPC, you must first divide the total occupant load in half to determine the required number of fixtures for each gender. You are given the occupant load of 820. 820 divided by 2 = 410 for each gender. Then, take the 410 and divide it by the ratio of 50 to obtain 8.2 water closets. Note that “a” at the bottom of the table indicates that you must round up for any fraction of a number of persons. Therefore, rounding up, this school requires 9 water closets for females and 9 water closets for males. (Note: If you had not first halved the total occupant load as the code now requires, you would have obtained a different result of 8 water closets for each sex.) 2. 12; the code requires 4 water closets for the visitors and 8 water closets for employees. Explanation: A nursing home is listed in IPC Table 403.1 as an Institutional (I 2) occupancy. First, find “Institutional” under the column titled “Classification.” Then locate “I 2” under the “Occupancy” column. Adjacent to I 2 you can see that there is a separate categories for the residents, for “Employees, other than residential care” and “Visitors, other than residential care” in the “Description” column. First looking at the requirement for employees, you see that the water closet ratio is “1 per 25” occupants. You are given the total occupant load of 155, which

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