TILT-UP CONSTRUCTION - Brock White

Ground Release IISystemT-42 Double Ground ReleaseII SystemThe Dayton Superior T-42 Double Ground Release IISystem consists of two T-41 Ground Release II Inserts,two T-43-L Ground Release II Hardware units and aT-46 Ground Release II Spreader Beam with twin 8-1/2ton shackles.The two inserts are spaced on 12” centers to mate withthe tandem hardware attached to the spreader beam. Afterlifting and positioning the panel, the hardware is releasedfrom the ground in the same manner as the basic system.Shackle (By Others)Structural PanelThicknessDouble Ground Release II Insert Selection Chart5” 5-1/2” 6” 6-1/2” 7” 7-1/2” 8”Lifting SystemsCoil InsertsGround Release IIAnchor LengthInsert SafeWorking Load (lbs.)3-3/4” 4-1/4” 4-3/4” 5-1/4” 5-3/4” 6-1/4” 6-3/4”13,000 15,000 17,000 19,000 22,000 24,000 26,000Note: The two inserts must be spaced on 12” centers to develop the safe workingloads displayed in the Chart.SWL provides a safety factor of approximately 2 to 1 in 2,500 psi normal weight concrete.See page 4 for reduction factors that must be applied to insert’s SWL when using lightweightconcrete.T-46 Ground ReleaseII Spreader Beam with Twin ShacklesThe Dayton Superior T-46 Ground Release II Spreader Beamis supplied with two 8-1/2 ton shackles to attach the beam totwo ground release inserts. Use of the T-46 spreader beamwill simplify rigging change requirements on large or extremelyheavy panels. The T-46 has a safe working load of 30,000pounds with an approximate safety factor of 5 to 1.To Order:Specify: (1) quantity, (2) name.Example:Two T-46 Ground Release II Spreader Beams.12"T-46 Ground Release II Spreader Beamwith Twin ShacklesT-45 Ground ReleaseII Patch CapThe Dayton Superior T-45 Ground Release II Patch Capis manufactured from ABS paintable plastic andprovides a cosmetic alternative for patching insert holes.The T-45 patch cap is available in concrete gray color only.It is easy to install by pushing it into the void. Friction holdsthe cap in place and the beveled flange assures a tight,flush fit. No grouting is required.T-45 GroundRelease II Patch CapTo Order:Specify: (1) quantity, (2) Name.Example:150, T-45 Ground Release II Patch Caps.04-0937