The tables below illustrate the recommended number of Centraligner® pier sleds and Hijacker pier bolsters to be used on a per shaft basis. The actual number can vary subject to the number of vertical bars of the reinforcing steel cage. The structural engineer is the governing authority. When in doubt please check with the structural engineer. Thank You.

Centraligner® Pier Sleds / Vertical Spacers

Recommended Centraligner® Pier Sleds per Reinforcing Cage
Pier Shaft Depth in Feet
Pier Shaft Diameter in Inches
Under 30" 31" to 48" 49" to 72" 73" to 96" 97" to 120"
0' to 12'
6
8
12
16
20
13' to 24'
9
12
18
24
30
25' to 36'
12
16
24
32
40
37' to 48'
15
20
30
40
50
49' to 60'
18
24
36
48
60
61' to 72'
21
28
42
56
70
73' to 84'
24
32
48
64
80
85' to 96'
27
36
54
72
90
97' to 108'
30
40
60
80
100
109' to 120'
36
48
72
96
120
121' to 132'
39
52
78
104
130
133' to 144'
42
56
84
112
140

Hijacker™ Pier Bolsters / Bottom Spacers

Recommended Hijacker Pier Bolsters per Reinforcing Cage
Pier Shaft Diameter in Inches
Under 30"
31" to 48"
49" to 72"
73" to 96"
97" to 120"
3
6
8
10
12
 
Manufacturer's Representative
Factory
The Stan Agee Company
109 W. Randol Mill Rd. Suite 104
Arlington, TX 76011
817-277-8566 or 800-656-0417 
FAX 817-275-2335
stanagee@pieresearch.com
PIERESEARCH
501 E. Main Street
Arlington, TX 76010
817-265-0980 or 800-342-2409
FAX 817-275-2335
stanagee@pieresearch.com 

Copyright 2006; The Stan Agee Company, All Rights Reserved.
Centraligner and Hijacker are Registered Trademarks of PIERESEARCH.