Bailey Bridge Exam 2022 with complete solution Given a 210-foot TT bridge. What is the position of launching-nose links? Ans- 30 feet & 40 feet How many personnel does the routine repair detail consists of? Ans- 6 How many personnel does the maintenance party usually consist of for important bridges subject to enemy action? Ans- The entire assembly crew What is the required safety setback on an unprepared abutment if the bank height is 6 feet? Ans- 1.5 x 6 feet = 9 feet Given a 140-foot TS bridge with grillage type 1 on both the near shore (NS) and far shore (FS). The far-bank seat is level with the near-bank seat. What is the position of the launching-nose links? Ans- 20 feet & 40 feet How is the initial bridge length determined? Ans- By adding the width of the gap, the safety setbacks, and the roller clearances What is the purpose of construction rollers? Ans- Aid in inserting the launching-nose links and provide clearance between the links and the ground How many NCOs and enlisted members are on the transom crew to construct a TT Bailey bridge? Ans- 2 NCOs and 28 enlisted members What are the different types of stringers? Ans- Plain and Button How many unloading parties are needed for a 100-foot DS bridge? Ans- 5 unloading parties How far should the extra set of plain rollers (called construction rollers) be placed temporarily behind the rocking rollers when determining longitudinal spacing? Ans- 12 ½ feet What is the center-to-center roller spacing? Ans- 14 feet 10 inches Where are all of the measurements taken from for the rollers during site layout? Ans- The center of the roller to the center of the next roller
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