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What is the minimum number of anchor bolts required for two 11 foot 2"x6" pressure treated plates on a 22 foot section of masonry foundation wall?

  1. 6

  2. 4

  3. 3

  4. 8

The correct answer is: 6

The correct answer is based on standard building codes and practices regarding the anchoring of pressure-treated wood plates to masonry foundation walls. In general, for every 4 feet of plate length, at least one anchor bolt is required. Given the length of the two plates is a total of 22 feet, this calculations would require: 1. You can divide the total length of 22 feet by the spacing requirement for anchor bolts. Most building codes specify a maximum spacing of 4 feet between anchor bolts. 2. So, 22 feet divided by 4 feet equals 5.5, which rounds up to 6 bolts, as you cannot have a fraction of a bolt. In addition, there is often an additional requirement for the end of each section. Typically, at least one anchor bolt is needed at each end of the wall plates. Therefore, when considering the sections and the ends, a total of 6 anchor bolts is justified. This understanding aligns with common practices for ensuring that the plates are securely fastened, which is crucial to resist shear forces and provide stability for structures. Building codes prioritize both safety and structural integrity, which is why knowing the requirements for anchor bolts is essential for construction supervisors.