Table Run IDs

Specification of Uplift Restraint Systems

Table 1 — Allowable Loads for URS Runs

1. Tabulated allowable load is the lowest allowable load of the threaded rod, coupler nut, take-up device and bearing plate components for each URS model.

Table 2 — Deflection Equations

1. Tabulated deflection formulas account for rod elongation, wood bearing deformation and deflection of shrinkage compensating device.
2. Where P_D is the demand (or design) uplift load and L is the total length of the rod in inches between restraints (foundation level to take-up device).

Table 3 — Tabulated Deflection Tables Using RTUD

1. Tabulated deflection values include rod elongation, wood bearing deformation and deflection of shrinkage compensating device.
2. Noted values exceed the maximum allowable load for the URS run.
3. Noted values exceed the maximum rod elongation of 0.18" specified in Section 3.2.1.1 of ICC-ES AC391.
4. Where P_D is the demand (or design) uplift load and L is the total length of the rod between restraints (foundation level to take-up device).

Typical Ratcheting Take-Up Device Assembly Installation

Table 4 — Tabulated Deflection Tables Using ATUD

1. Tabulated deflection values include rod elongation, wood bearing deformation and deflection of shrinkage compensating device.
2. Noted values exceed the maximum allowable load for the URS run.
3. Noted values exceed the maximum rod elongation of 0.18" specified in Section 3.2.1.1 of ICC-ES AC391.
4. Where P_D is the demand (or design) uplift load and L is the total length of the rod between restraints (foundation level to take-up device).

Typical Take-Up Device Assembly Installation