Pool Installation Prep: Why Exact Measurements Make or Break Your Project
Double B Excavations & Grade LLC
The Details Matter
WHEN THREE INCHES CAN CHANGE EVERYTHING
You might think three inches isn't much - barely longer than your finger.
But in pool installation, those three inches can change your whole project plan.
We learned this firsthand on a recent job in Granville, where what seemed like a small measurement difference turned into a perfect example of why precision matters in excavation.
Most folks think installing a pool is simple: dig a hole, drop in the pool, fill with water.
But there's a reason we take our time with measurements, planning, and preparation.
One small miscalculation can affect everything from your stone base to your plumbing setup.
And when you're putting in something that needs to last for decades, there's no room for "close enough."
Welcome to Double B!
Project Overview
Let me walk you through what happened in Granville. We started day one with what seemed like solid information - we were prepping for a 4'4" pool installation. Pretty straightforward, right? We calculated our dig depth to allow for six inches of stone foundation, got our equipment on site, and started work.
Then we discovered something interesting - the pool wasn't 4'4" at all. It was actually 4'7". Those three inches meant we were suddenly dealing with an underdug site instead of our carefully planned excavation. This is exactly the kind of situation that separates experienced contractors from the rest. We had to adjust our entire approach while keeping the project moving forward.
We had equipment rented, plumbing to coordinate, and a septic line to relocate. Every aspect of the job needed to be reconsidered - not just the dig depth. But here's the thing: these kinds of challenges are exactly why we always build flexibility into our planning.
The Technical Side of Pool Installation
Let's break down what really goes into setting a pool properly. First, you need a perfectly level stone base - we're talking about six inches of carefully laid stone that'll support thousands of pounds of water. This isn't just about dumping some gravel in a hole. The stone has to be exactly right because once that pool's filled with water, there's no going back to fix the foundation.
In Granville, we also had to deal with septic pipe relocation. This is the kind of detail homeowners don't usually think about, but it's crucial to get right. You can't just dig around existing utilities and hope for the best. Every pipe, every line needs to be properly handled and relocated according to code.
Problem-Solving in Real Time
When we discovered our measurement challenge, we had a choice to make. Some contractors might have tried to force the original plan to work, but that's not how we do things. Instead, we kept our rental equipment an extra day - yes, that costs more, but it means we can take the time to do things right.
We had to coordinate multiple things at once: adjusting our dig depth, planning the stone delivery, working with the plumbers, and making sure we had the right equipment on hand to lift and place the pool exactly where it needed to go. It's like conducting an orchestra - everything has to happen in the right order and at the right time.
Why Proper Planning Matters
Here's something we've learned over years of doing this work: rushing to save time usually ends up costing more in the long run. Those three inches could have caused major problems if we hadn't caught them and adjusted our plan. We're talking about potential issues with:
- Pool stability
- Water level
- Plumbing connections
- Long-term structural integrity
When you're putting in a pool that needs to last for decades, taking an extra day to get everything perfect is always worth it. This isn't just about digging a hole - it's about creating something that'll bring families joy for generations. And that kind of quality takes attention to detail.
Lessons Learned
Every project teaches us something, and this Granville installation reinforced some important truths about pool installation. First, always verify your measurements - even when you think you have solid information. Second, build flexibility into your planning. That's why we always make arrangements where we can keep rental equipment an extra day if needed.
But maybe the biggest lesson is about communication. When we discovered the measurement difference, we didn't try to hide it or work around it. We addressed it head-on, adjusted our approach, and kept the project moving forward. That's the difference experience makes - knowing how to handle the unexpected without compromising quality.
Closing
Looking back at the Granville project, those three inches could have been a major setback. Instead, they became an opportunity to show why proper planning and attention to detail matter. The pool's in now, sitting perfectly level on its stone base, with everything from the septic line to the plumbing exactly where it needs to be.
Looking Forward
If you're planning a pool installation, remember this: the work that happens before your pool arrives is just as important as the installation itself. Every measurement, every bit of preparation, every detail matters. Don't trust your pool installation to someone who's going to rush through the prep work or cut corners to save time.
Need help planning your pool installation? We're always happy to walk properties with homeowners and discuss what proper preparation looks like. Because at Double B, we believe every project deserves the kind of attention to detail that ensures it's done right the first time.


