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Municipal Code of Chicago
MUNICIPAL CODE OF CHICAGO
TITLE 1 GENERAL PROVISIONS
TITLE 2 CITY GOVERNMENT AND ADMINISTRATION
TITLE 3 REVENUE AND FINANCE
TITLE 4 BUSINESSES, OCCUPATIONS AND CONSUMER PROTECTION
TITLE 5 HOUSING AND ECONOMIC DEVELOPMENT
TITLE 6 HUMAN RIGHTS*
TITLE 7 HEALTH AND SAFETY
TITLE 8 OFFENSES AFFECTING PUBLIC PEACE, MORALS AND WELFARE
TITLE 9 VEHICLES, TRAFFIC AND RAIL TRANSPORTATION
TITLE 10 STREETS, PUBLIC WAYS, PARKS, AIRPORTS AND HARBORS
TITLE 11 UTILITIES AND ENVIRONMENTAL PROTECTION
TITLE 12 RESERVED
TITLE 13 BUILDINGS AND CONSTRUCTION
TITLE 14 RESERVED*
TITLE 14A ADMINISTRATIVE PROVISIONS OF THE CHICAGO CONSTRUCTION CODES*
TITLE 14B BUILDING CODE*
TITLE 14C CONVEYANCE DEVICE CODE*
TITLE 14E ELECTRICAL CODE*
TITLE 14F FIRE PREVENTION CODE*
TITLE 14G FUEL GAS CODE*
TITLE 14M MECHANICAL CODE*
TITLE 14N 2022 ENERGY TRANSFORMATION CODE*
TITLE 14P PLUMBING CODE*
TITLE 14R BUILDING REHABILITATION CODE*
TITLE 14X MINIMUM REQUIREMENTS FOR EXISTING BUILDINGS*
TITLE 15 FIRE PREVENTION
TITLE 16 LAND USE
TITLE 17 CHICAGO ZONING ORDINANCE
TITLE 18 BUILDING INFRASTRUCTURE
APPENDIX TO THE MUNICIPAL CODE OF CHICAGO (RESERVED)*
TABLES
Chicago Zoning Ordinance and Land Use Ordinance
CHICAGO ZONING ORDINANCE AND LAND USE ORDINANCE
TITLE 16 LAND USE
TITLE 17 CHICAGO ZONING ORDINANCE
18-29-1108.1 Size of combined drains and sewers.
   Whenever a combined sewer system is employed, the required size of the combined house sewer shall be determined by adding the total drained area in square feet in Table 18-29-1106.2 and equivalent area for the number of fixture units in accordance with Table 18-29-1108.1.
Table 18-29-1108.1
Combined Sanitary and Storm System
No. of Fixture Units
Equivalent Area
(sq. ft.)
No. of Fixture Units
Equivalent Area
(sq. ft.)*
No. of Fixture Units
Equivalent Area
(sq. ft.)
No. of Fixture Units
Equivalent Area
(sq. ft.)*
1
165
31
2,820
2
325
32
2,870
3
475
34
2,955
5
750
38
3,125
6
875
40
3,200
7
1,000
42
3,270
8
1,115
44
3,340
9
1,225
46
3,400
10
1,330
48
3,465
11
1,435
50
3,350
12
1,530
55
3,530
13
1,620
60
3,790
14
1,710
65
3,900
15
1,800
70
4,000
16
1,880
75
4,090
17
1,960
80
4,175
18
2,040
85
4,250
19
2,110
90
4,320
20
2,180
95
4,390
21
2,250
100
4,450
22
2,310
105
4,500
23
2,360
110
4,550
24
2,440
115
4,600
25
2,500
120
4,645
26
2,550
125
4,690
27
2,600
130
4,725
28
2,660
140
4,800
29
2,710
145
4,830
30
2,770
150
4,850
 
* For more than 150 fixture units, the equivalent area shall be determined by adding 7.2 square feet for each fixture unit over 150 to 4,850 square feet.

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