Anchor Shackles Nominal Tons Dimensions Size Safe A B C Load 3/8 .8 1 1/2 1 1/16 7/16 1/2 1.4 2 7/8 5/8 5/8 2.2 2 3/8 1 1/16 3/4 3/4 3.2 2 7/8 1 1/4 7/8 7/8 4.3 3 1/4 1 3/8 1 1 5.6 3 5/8 1 11/16 1 1/8 1 1/8 6.7 4 1/4 1 7/8 1 1/4 1 1/4 8.2 4 3/4 2 1 3/8 1 1/2 11.8 5 1/2 2 1/4 1 5/8 2 21.1 7 3/4 3 1/4 2 1/4 For this example Dimensions has not been included Task Title: Calculating Working Load Limit for Hoisting and Rigging Answer Key Task 1: Read through the attached information and example to locate and name all the components related to a lift. Slings, eyebolts, and shackles Task 2: Calculate the load and force of load for each component of the lift for the following loads. Load 1 3600 lbs - single lifting point – Sling 3600 lbs Eyebolts 3600 lbs Shackles - 3600 lbs Load 2 5500 lbs - 2 leg bridle hitch 60° sling and a 45° eyebolt – Sling - 5500 lbs Eyebolts - 2750 lbs Shackles - 3175.5 lbs rounded to 3176 lbs Load 3 4200 lbs -4 leg bridle hitch 60° sling and a 45° eyebolt – Sling -4200 lbs
Anchor Shackles Nominal Size Tons Safe Load Dimensions A B C 3/8 1/2 5/8 3/4 7/8 1 1 1/8 1 1/4 1 1/2 2 .8 1.4 2.2 3.2 4.3 5.6 6.7 8.2 11.8 21.1 1 1/2 2 2 3/8 2 7/8 3 1/4 3 5/8 4 1/4 4 3/4 5 1/2 7 3/4 1 1/16 7/8 1 1/16 1 1/4 1 3/8 1 11/16 1 7/8 2 2 1/4 3 1/4 7/16 5/8 3/4 7/8 1 1 1/8 1 1/4 1 3/8 1 5/8 2 1/4 For this example Dimensions has not been included Task Title: Calculating Working Load Limit for Hoisting and Rigging Answer Key Task 1: Read through the attached information and example to locate and name all the components related to a lift. Slings, eyebolts, and shackles Task 2: Calculate the load and force of load for each component of the lift for the following loads. Load 1 – 3600 lbs - single lifting point Sling 3600 lbs Eyebolts 3600 lbs Shackles - 3600 lbs Load 2 – 5500 lbs - 2 leg bridle hitch 60° sling and a 45° eyebolt Sling - 5500 lbs Eyebolts - 2750 lbs Shackles - 3175.5 lbs rounded to 3176 lbs Load 3 – 4200 lbs -4 leg bridle hitch 60° sling and a 45° eyebolt Sling -4200 lbs
WorkingLoadLimitforHoistingandRigging_A_A1.2_A2.2_C3.3.docx