Water Closetsf (Urinals See Drinking Section 419.2 of g Fountains (See the International Bathtubs Section 410.1 of Plumbing Code) Lavatories OR the International No. Classification Occupancy Description Male Female Male Female Showers Plumbing Code) Other Buildings for the transaction of business, professional 1 per 25 for the 1 per 40 for the services, first 50 and 1 per first 80 and 1 services 1 service 2 Business B 50 for the per 80 for the 1 per 100 — involving sinke remainder remainder merchandise, exceeding 50 exceeding 80 office buildings, banks, light industrial and similar uses Educational 1 service E 1 per 50 1 per 50 1 per 100 — facilities sink 3 Educational 1 service Daycares 1 per 17 1 per 17 1 per 100 — sink Structures in which occupants are engaged in Factory and work fabricating, See Section 411 of the 1 service 4 F-1 and F-2 1 per 100 1 per 100 1 per 400 industrial assembly or International Plumbing Code sink processing of products or materials 1 service I-1 Residential care 1 per 10 1 per 10 1 per 8 1 per 100 sink Hospitals, ambulatory 1 service I-2 1 per per roomc 1 per per roomc 1 per 15 1 per 100 nursing home sink care recipientb Employees, other than 1 per 25 1 per 35 1 per 100 — — residential careb Visitors, other than residential 1 per 75 1 per 100 1 per 500 — — 5 Institutional care 1 service I-3 Prisonsb 1 per cell 1 per cell 1 per 15 1 per 100 sink Reformatories, detention centers 1 service 1 per 15 1 per 15 1 per 15 1 per 100 and correctional sink I-3 centersb Employeesb 1 per 25 1 per 35 1 per 100 — — day care 1 service I-4 and child day 1 per 15 1 per 15 1 1 per 100 — sink care Retail stores, service stations, 1 service 6 Mercantile M salesrooms, 1 per 500 1 per 750 1 per 1,000 — sinke markets and shopping centers Hotels, motels, 1 per sleeping 1 service R-1 boarding houses 1 per sleeping unit 1 per sleeping unit — unit sink (transient) Dormitories, 7 Residential fraternities, 1 service R-2 sororities and 1 per 10 1 per 10 1 per 8 1 per 100 sink boarding house (not transient)
No. Classification Occupancy Description Water Closetsf (Urinals See Section 419.2 of the International Plumbing Code) Lavatories Bathtubs OR Showers Drinking Fountains g (See Section 410.1 of the International Plumbing Code) Other Male Female Male Female 2 Business B Buildings for the transaction of business, professional services, services involving merchandise, office buildings, banks, light industrial and similar uses 1 per 25 for the first 50 and 1 per 50 for the remainder exceeding 50 1 per 40 for the first 80 and 1 per 80 for the remainder exceeding 80 — 1 per 100 1 service sinke 3 Educational E Educational facilities 1 per 50 1 per 50 — 1 per 100 1 service sink Daycares 1 per 17 1 per 17 — 1 per 100 1 service sink 4 Factory and industrial F-1 and F-2 Structures in which occupants are engaged in work fabricating, assembly or processing of products or materials 1 per 100 1 per 100 See Section 411 of the International Plumbing Code 1 per 400 1 service sink 5 Institutional I-1 Residential care 1 per 10 1 per 10 1 per 8 1 per 100 1 service sink I-2 Hospitals, ambulatory nursing home care recipientb 1 per per roomc 1 per per roomc 1 per 15 1 per 100 1 service sink Employees, other than residential careb 1 per 25 1 per 35 — 1 per 100 — Visitors, other than residential care 1 per 75 1 per 100 — 1 per 500 — I-3 Prisonsb 1 per cell 1 per cell 1 per 15 1 per 100 1 service sink I-3 Reformatories, detention centers and correctional centersb 1 per 15 1 per 15 1 per 15 1 per 100 1 service sink Employeesb 1 per 25 1 per 35 — 1 per 100 — I-4 day care and child day care 1 per 15 1 per 15 1 — 1 per 100 1 service sink 6 Mercantile M Retail stores, service stations, salesrooms, markets and shopping centers 1 per 500 1 per 750 — 1 per 1,000 1 service sinke 7 Residential R-1 Hotels, motels, boarding houses (transient) 1 per sleeping unit 1 per sleeping unit 1 per sleeping unit — 1 service sink R-2 Dormitories, fraternities, sororities and boarding house (not transient) 1 per 10 1 per 10 1 per 8 1 per 100 1 service sink
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