Encyclopedia of Anchoring (CA06114E)

POWER-INSTALLED SCREW ANCHOR (PISA®) DEVELOPMENT

PISA Selection Guide For Replacing Popular Expanding & Cross Plate Anchor Designs

CHANCE SOIL CLASS

CHANCE CAT. NO OR DESCRIPTION

3

4

5

6

7

ULTIMATE ANCHOR HOLDING CAPACITY* - POUNDS

Expanding Anchor

88135

26,500

22,000

18,500

15,000

10,000

Cross Plate Anchor

X-16

26,500

22,500

18,500

14,500

9,500

12” or 2-8” (¾” Dia. or Larger Rod)

12” or 2-8” (¾” Dia. or Larger Rod)

12” or 2-8” (⅝” Dia. or Larger Rod)

12” or 2-8” (⅝” Dia. or Larger Rod)

PISA Which Will Provide Equal or Greater Holding Capacity

12” or 2-8” (1” Dia. Rod)

B

*Predicted ultimate holding capacities are based on results of extensive CHANCE tests and interpretation and are offered as an application guide only. They do not represent a guarantee of holding capacity in a particular soil class. User must factor in his individual, appropriate safety factor.

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