Chance Technical Design Manual
BUILDING CODE COMPLIANCE PER ICC-ES ESR-2794 The following tables provide the nominal, LRFD design, and ASD allowable compression strengths of C1500299 foundation repair brackets, T-pipes, and Type SS175 helical piles as evalu ated per ICC-ES Acceptance Criteria AC358. These strengths are published in ICC-ES ESR-2794. The strengths listed are based on three different concrete foundation strengths and two different soils conditions—firm and soft. The pile head is assumed to be fixed within the bracket assembly, and the piles are assumed to be braced.
Per the International Building Code (IBC) 2006 Section 1808.2.9.2 & IBC 2021 Section 1810.2.1, piles can be considered fixed and laterally supported at 5 feet below the ground sur face in firm soil and at 10 feet in soft soil.
DRAWINGS & RATINGS NOMINAL STRENGTHS OF C1500299 REMEDIAL REPAIR BRACKETS & HELICAL PILES 1,2,3,4,5
NOMINAL STRENGTH IN AXIAL COMPRESSION (kip) [kN]
BRACKET CATALOG NUMBER
T-PIPE CATALOG NUMBER
PILE MODEL
2500 psi CONCRETE 5 4000 psi CONCRETE 5 FIRM SOIL SOFT SOIL FIRM SOIL SOFT SOIL FIRM SOIL SOFT SOIL 3000 psi CONCRETE 5
C1500299
C1500488
SS175
79.0 [351]
50.5 [225]
89.4 [398]
50.5 [225]
99.0 [440]
50.5 [225]
LRFD DESIGN STRENGTHS OF C1500299 REMEDIAL REPAIR BRACKETS & HELICAL PILES 1,2,3,4,5 BRACKET CATALOG NUMBER T-PIPE CATALOG NUMBER PILE MODEL 2500 PSI CONCRETE 5 3000 PSI CONCRETE 5
LRFD DESIGN STRENGTH IN AXIAL COMPRESSION (kip) [kN]
4000 PSI CONCRETE 5 FIRM SOIL SOFT SOIL FIRM SOIL SOFT SOIL FIRM SOIL SOFT SOIL
C1500299
C1500488
SS175
55.3 [246]
42.9 [191]
62.6 [278]
45.4 [202]
74.2 [330]
45.4 [202]
ASD ALLOWABLE STRENGTHS OF C1500299 REMEDIAL REPAIR BRACKETS & HELICAL PILES 1,2,3,4,5 BRACKET CATALOG NUMBER T-PIPE CATALOG NUMBER PILE MODEL 2500 psi CONCRETE 5 3000 psi CONCRETE 5
ASD ALLOWABLE STRENGTH IN AXIAL COMPRESSION (kip) [kN]
4000 psi CONCRETE 5 FIRM SOIL SOFT SOIL FIRM SOIL SOFT SOIL FIRM SOIL SOFT SOIL
C1500299
C1500488
SS175
34.7 [154]
27.7 [123]
39.3 [175]
27.7 [123]
47.9 [213]
30.2 [134]
Notes: For SI: 1 kip = 4.448 kN. 1 Refer to Section 4.1.3 of ICC-ES ESR-2794 for descriptions of fixed condition, pinned condition, soft soil, and firm soil. 2 Strength ratings are based on a design corrosion level of 50 years and presume the supported structure is braced in accordance with Section 1810.2.2 of the 2021 IBC (Section 1808.2.5 of the 2006 IBC). 3 Strength ratings apply to the specific bracket, T-pipe, and pile/anchor models listed. 4 See Section 4.1.2 of ICC-ES ESR-2794 for applicable limit states that must be evaluated by a registered design professional. 5 Refer to the specified compressive strength of concrete at 28 days.
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