You’ll chalk the pool just as you would with traditional AB measuring. As you become more experienced with the Trigonon device, you’ll find that not every point needs chalking. However, until you’ve mastered the process, it’s best to chalk every point you plan to measure to ensure accuracy and consistency.
AB Measuring a Swimming Pool with Chalk
AB measuring is a precise method used to determine a pool’s shape and dimensions for tasks like installing a liner or cover. This process involves marking reference points around the pool’s perimeter with chalk, using two fixed points—A and B—as a baseline for measurement. These points are typically placed about two-thirds the length of the pool apart on the deck.
Key Aspects of AB Measuring with Chalk:
🔹 A and B Reference Points
- Placed on the pool deck a few feet from the edge.
- Serve as fixed reference points for all perimeter measurements.
🔹 Marking with Chalk
- Chalk is used to mark points along the pool’s perimeter.
- Points are numbered sequentially from the “A” point.
🔹 Measuring Distances
- Each chalked point’s distance is measured from both A and B.
- This data is used to map the exact shape of the pool.
Why is AB Measuring Important?
✅ Ensures a Perfect Fit
- Precise measurements result in an accurately sized liner or cover, eliminating gaps or misalignment.
✅ Captures Pool Contours
- The recorded measurements provide a detailed map of the pool, including curves, slopes, and irregularities.
By following this method, you can ensure accurate and reliable measurements, making the installation process smoother and more efficient.
number every 5th mark
