Line Pin
A Line Pin (also known as a Profile Pin or Corner Pin) is a basic but essential tool used in bricklaying to ensure walls are straight and level. It's like a guide that helps bricklayers maintain accurate lines when building walls. These pins are usually metal stakes that are pushed into the ground at corners and intervals, with string lines attached between them to create a perfect reference line for laying bricks. Think of it as creating an invisible guide that helps keep everything aligned, similar to how a ruler helps you draw straight lines on paper.
Examples in Resumes
Set up Line Pins and string lines for multiple residential projects ensuring perfect wall alignment
Trained apprentices in proper Line Pin and profile board setup techniques
Managed complex foundation layouts using Line Pins and Profile Pins for accurate brick coursing
Typical job title: "Bricklayers"
Also try searching for:
Where to Find Bricklayers
Trade Organizations
Job Boards
Professional Networks
Example Interview Questions
Senior Level Questions
Q: How do you plan the layout of line pins for a complex building project?
Expected Answer: A senior bricklayer should explain how they calculate distances between pins, consider ground conditions, ensure proper tensioning of string lines, and coordinate with architectural plans.
Q: How do you handle line pin setup on uneven terrain?
Expected Answer: Should discuss methods for establishing level reference points, using laser levels, adjusting pin heights, and ensuring accuracy despite terrain challenges.
Mid Level Questions
Q: What factors do you consider when setting up line pins for a new wall?
Expected Answer: Should mention checking for square corners, proper pin spacing, string line tension, and ensuring pins are secure in the ground.
Q: How do you maintain accuracy when working with line pins over long distances?
Expected Answer: Should explain using additional support pins, checking for sagging string lines, and methods to verify straightness and level.
Junior Level Questions
Q: What is the purpose of a line pin in bricklaying?
Expected Answer: Should explain that line pins help create straight guidelines for laying bricks and maintaining level courses.
Q: How do you set up basic line pins for a straight wall?
Expected Answer: Should describe the process of inserting pins at corners, attaching string lines, and checking for level and straightness.
Experience Level Indicators
Junior (0-2 years)
- Basic line pin setup
- String line attachment
- Level checking
- Simple wall layout
Mid (2-5 years)
- Complex corner setups
- Working on sloped ground
- Multiple wall coordination
- Profile board installation
Senior (5+ years)
- Complex project layout
- Training others in line pin use
- Troubleshooting difficult setups
- Project planning and coordination
Red Flags to Watch For
- Unable to explain basic line pin setup
- No experience with measuring and leveling
- Lack of knowledge about string line tension
- Poor understanding of building layout principles
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