Mr. Inspector
SAWHORSE
2018 IPC. How do I know how many water closets are required in an occupancy that is a bar and a restaurant? Shall I go with what a bar requires since the code requires more WC in a bar than in a restaurant and it is stricter?
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Bar and restaurant plumbing fixtures
- Thread starter Mr. Inspector
- Start date
steveray
SAWHORSE
Used mixed occupancies based on both occupancies just like the book says...
403.1.1
To determine the occupant load of each sex, the total occupant load shall be divided in half. To determine the required number of fixtures, the fixture ratio or ratios for each fixture type shall be applied to the occupant load of each sex in accordance with Table 403.1. Fractional numbers resulting from applying the fixture ratios of Table 403.1 shall be rounded up to the next whole number. For calculations involving multiple occupancies, such fractional numbers for each occupancy shall first be summed and then rounded up to the next whole number.
Mr. Inspector
SAWHORSE
Can't, the restaurant and bar share the same room.
Yankee Chronicler
SAWHORSE
You can (and the designer should have) draw a line on the plan to divide the room into an area for the bar and an area for the dining room tables and chairs (and/or booths). The "dining" area is calculated at 1:15 or the actual number of chairs shown, whichever is greater. The IBC Commentary provides guidance on how to calculate the occupant load at bars.
What did the architect show for an occupant load, and how did he/she calculate it?
Mr. Inspector
SAWHORSE
I don't have the commentary. Architect did not show how they calculated. It looks like the same table and chairs will be used for both.
Yankee Chronicler
SAWHORSE
Tables and chairs are tables and chairs. Doesn't matter if they are used for dining or drinking, the ratio is one person per 15 square feet.
Around the bar, you look at the number of stools, then you look at a space something like 4 feet or 6 feet back from the bar and calculate that as standing room (1: 5) -- or something like that. I'm fairly certain I remember this being discussed, with an explanatory figure, in the IBC Commentary. Once you draw that line around / back from the bar, the rest of the room is calculated at 1:15.
Around the bar, you look at the number of stools, then you look at a space something like 4 feet or 6 feet back from the bar and calculate that as standing room (1: 5) -- or something like that. I'm fairly certain I remember this being discussed, with an explanatory figure, in the IBC Commentary. Once you draw that line around / back from the bar, the rest of the room is calculated at 1:15.
Yankee Chronicler
SAWHORSE
Found it -- look at the Commentary for 1030.13.1 and Figure 1030.13.1. Not exactly as I remember it, but the figure isn't addressing this exact question. I usually figure at a minimum one person standing at the bar in addition to each stool at the bar.