Get the best deal for Industrial Manual Pipe and Tubing Benders from the largest online selection at eBay.com. Browse your favorite brands affordable prices free shipping on many items. Highway Surveying Manual Page 15-1 January 2005 Chapter 15 Construction Survey Procedures 15-01 General In performing construction surveying, preparation is a major part of the operation. Pipe Material and Type data, and Pipe Size dimensions. The Pipe Trades Pro will help you on the jobsite or in the office. • Built-in data and Pipe Sizing for 7 different Piping Materials • Linear and Rolling Offset Solutions • Cutback Solutions • Trigonometric Solutions • Circle, Circumference and Area Solutions Offset Bend Formula The purpose of an offset bend is to change the center line of the run, typically to avoid an obstruction . To determine the length of offset, select the offset angle (E) . Then, multiply the offset dimension (O) by the offset bend allowance (A) . L = O A Use the offset calculation as the distance between offset will need to be bent from the end of the conduit. 2. Decide what angle you wish to make the offset bend and determine the proper values from the Offset Formula Table. Calculate the proper values to mark on the conduit to clear the obstacle and fit in the gap measured. As an example, the offset distance of the obstacle is 6" and IPT's industrial trade books are used extensively throughout Canada, North America and overseas. Check out sample pages in Crane & Rigging, Metal Trades & Welding, Industrial Fasteners, Pipe Trades and more. 10 titles in all. Buy IPT books online at great prices. 1-888-808-6763 For instance, you can tell the system to route your piping using a Bottom of Pipe elevation, or you can have the system Slope the line. If you route a Rolled Offset, the system will automatically Trim the Elbows for you as well. Written by Anthony W. Horn 2011 CAD Training Technologies, LLC Houston, TX USA. 122 CADWorx Video Training Series Thes