Transcription of Hoisting & Rigging Fundamentals - Energy
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Hoisting & Rigging Fundamentals - Energy
Hoisting and Rigging Fundamentals for Riaaers and ODerators Pendant Control - Components TR244C, Rev. 5 December 2002 TR244C Rev . 5 TABLE OF CONTENTS INTRODUCTION .. ii Hoisting AND Rigging OBJECTIVES .. 1 WIRE ROPE SLINGS .. 2 SYNTHETIC WEBBING SLINGS .. IO CHAINSLINGS .. 14 METAL MESH SLINGS .. 18 SPREADER BEAMS .. 19 Rigging HARDWARE .. 22 INSPECTION TAG .. 39 CRITICAL LIFTS .. 40 GENERAL Hoisting AND Rigging PRACTICES .. 44 HANDSIGNALS .. 64 INCIDENTAL Hoisting OPERATOR OBJECTIVES .. 68 HOISTS .. 69 OVERHEAD AND GANTRY CRANES .. 71 MOBILECRANES .. 77 APPENDIX .. 81 i TR244C Rev.
at WVNS: nylon and polyester. Nylon is the most common type used on site. It has an elastic stretch of 6% at noted capacity. Polyester has less stretch, approximately 3 percent. The stretching of slings allows a cushion against sudden shock. Both types are sensitive to heat and certain chemicals. Neither should be exposed to
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