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Table R403.1 is hereby deleted in its entirety and the following table shall be substituted therefor:

TABLE R403.1 MINIMUM WIDTH OF CONCRETE, PRECAST OR MASONRY FOOTINGS (inches)a

LOAD-BEARING VALUE OF SOIL (psf)

1,500

2,000

3,000

≥ 4,000

Conventional light-frame construction

1-story

12

12

12

12

2-story

16

15

12

12

3-story

23

18

12

12

4-inch brick veneer over light frame or 8-inch hollow concrete masonry

1-story

15

12

12

12

2-story

21

18

12

12

3-story

32

24

16

12

8-inch solid or fully grouted masonry

1-story

18

15

12

12

2-story

29

21

14

12

3-story

42

32

21

16

For SI: 1 inch = 25.4 mm, 1 pound per square foot = 0.0479 kPa.

a Where minimum footing width is 12 inches, use of a single wythe of solid or fully grouted 12-inch nominal concrete masonry units is permitted.

(Ord. 19727 § 40, 4-24-12.)