When establishing site layout using batter boards, what is the primary purpose of the string lines stretched between them?
Correct Answer
C) To indicate the exact location of foundation walls and building corners
Batter boards with string lines are used to establish and maintain accurate building layout by marking the exact location of foundation walls and corners. The strings can be easily moved and repositioned as needed during excavation while maintaining precise measurements.
Why This Is the Correct Answer
Batter boards with string lines are the standard method for establishing precise building layout in construction. The string lines stretched between batter boards create an accurate reference system that marks the exact location of foundation walls and building corners. This system allows contractors to maintain precise measurements and alignments throughout the excavation and foundation construction process. The strings can be temporarily removed during excavation and then re-established using the same batter board positions.
Why the Other Options Are Wrong
Option A: To create a barrier for safety around the construction site
String lines between batter boards are not electrical components and have no function related to power supply for construction equipment. Temporary electrical connections require proper electrical installations with appropriate safety measures, not string lines.
Option B: To provide temporary electrical connections for construction equipment
While string lines may incidentally create some visual boundary, their primary purpose is not safety barrier creation. Proper construction site safety barriers require substantial physical barriers, warning tape, or fencing systems designed specifically for safety protection.
Memory Technique
Think 'BATTER = BETTER layout' - batter boards make your building layout better by providing precise reference points for walls and corners.
Reference Hint
Look up 'Site Layout and Surveying' or 'Foundation Layout' sections in construction reference materials, typically found in chapters covering excavation and foundation work.
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