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AMENDMENTS TO THE 1997 INTERNATIONAL PLUMBING CODE

CHAPTER 4 - FIXTURES, FAUCETS AND FIXTURE FITTINGS

TABLE 403.1

MINIMUM NUMBER OF PLUMBING FACILITIESa

(see Sections 403.2 and 403.3)

OCCUPANCY

WATER CLOSETS (Urinals see Section 419.2)

LAVATORIES

BATHTUBS/ SHOWERS

DRINKING FOUNTAINS (see Section 410.1)

OTHERS

A

S

S

E

M

B

L

Y

  

Male

Female

        

Theaters

1 per 125

1 per 65

1 per 200

-

1 per 1,000

1 service sink

Nightclubs

1 per 40

1 per 40

1 per 75

-

1 per 500

1 service sink

Restaurants

1 per 75

1 per 75

1 per 200

-

1 per 500

1 service sink

Halls, museums, etc.

1 per 125

1 per 65

1 per 200

-

1 per 1,000

1 service sink

Coliseums, arenas

1 per 75

1 per 40

1 per 150

-

1 per 1,000

1 service sink

Churchesb

1 per 150

1 per 75

1 per 200

-

1 per 1,000

1 service sink

Stadiums, pools, etc.

1 per 100

1 per 50

1 per 150

-

1 per 1,000

1 service sink

Business (see Section 403.2, 403.4 and 403.5)

1 per 25

1 per 40

-

1 per 100

1 service sink

Educational

1 per 50

1 per 50

-

1 per 100

1 service sink

Factory and industrial

1 per 100

1 per 100

(see Section 411)

1 per 400

1 service sink

High hazard (see Sections 403.2 and 403.4)

1 per 100

1 per 100

(see Section 411)

1 per 1,000

1 service sink

I

N

S

T

I

T

U

T

I

O

N

A

L

Residential care

1 per 10

1 per 10

1 per 8

1 per 100

1 service sink

Hospitals, ambulatory nursinghome patientsc

1 per roomd

1 per roomd

1 per 15

1 per 100

1 service sink per floor
Day nurseries, sanitariums, nonambulatory nursing home patients, etc.c

1 per 15

1 per 15

1 per 15 c

1 per 100

1 service sink

Employees, other than residential carec

1 per 25

1 per 35

-

1 per 100

-

Visitors, other than residential care

1 per 75

1 per 100

-

1 per 500

-

Prisonsc

1 per cell

1 per cell

1 per 15

1 per 100

1 service sink

Asylums, reformatories, etc.c

1 per 15

1 per 15

1 per 15

1 per 100

1 service sink

Mercantile (see Sections 403.2, 403.4 and 403.5)

1 per 500

1 per 750

-

1 per 1,000

1 service sink

R

E

S

I

D

E

N

T

I

A

L

Hotels, motels

1 per guest room

1 per guest room

1 per guest room

-

1 service sink

Bed and breakfast establishmentsg

1 per 2 guest rooms

1 per 2 guest rooms

1 per 2 guest rooms

-

-

Lodges

1 per 10

1 per 10

1 per 8

1 per 100

1 service sink

Multiple family

1 per dwelling unit

1 per dwelling unit

1 per dwelling unit

-

1 kitchen sink per dwelling unit; 1 automatic clothes washer connection per 20 dwelling units

Dormitories

1 per 10

1 per 10

1 per 8

1 per 100

1 service sink

One- and two-family dwellings

1 per dwelling unit

1 per dwelling unit

1 per dwelling unit

-

1 kitchen sink per dwelling unit; 1 automatic clothes washer connection per dwelling unitf

Storage (see Sections 403.2 and 403.4)

1 per 100

1 per 100

(see Section 411)

1 per 1,000

1 service sink

a The fixtures shown are based on one fixture being the minimum required for the number of persons indicated or any fraction of the number of persons indicated. The number of occupants shall be determined by the building code.

b Fixtures located in adjacent buildings under the ownership or control of the church shall be made available during periods the church is occupied.

c Toilet facilities for employees shall be separate from facilities for inmates or patients.

d A single-occupant toilet room with one water closet and one lavatory serving not more than two adjacent patient rooms shall be permitted where such room is provided with direct access from each patient room and with provisions for privacy.

e For day nurseries, a maximum of one bathtub shall be required.

f For attached one- and two-family dwellings, one automatic clothes washer connection shall be required per 20 dwelling units.

g Plumbing facilities in Use Group R-1 bed and breakfast establishments shall be permitted to be accessed from hallways and corridors and to be shared by guests.

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