How the Murrieta Explosion Could Have Been Avoided
Southern California was recently devastated when a ruptured gas line led to an explosion. The explosion killed a Southern California Gas Company worker, and fifteen people were injured.
The reason behind the Murietta explosion was a contractor who was working without having the area inspected first. The contractor not only caused irreversible damage but violated state law by not utilizing a private utility locating service. Tragedies like this can be avoided when proper utility potholing and inspections are used.
What is Utility Potholing?
Potholing is a construction method that confirms underground utilities and obstructions. Utility locating is the first part of the investigation process. A small, exploratory hole is dug along the planned route of new construction. Air and hydro vacuums are used to remove soil via high-velocity suction.
Some contractors like to use digital locators to find pipes and other utility lines. There are many occasions, however, where it is essential to actually see where the wire or pipe is located.
Why Pothole?
Digging without first locating underground utilities creates a risk to gas, electric, communications, water, and sewer lines. Accidents with these lines can result in service disruption, costly repairs, serious injuries, or death. While it may mean delaying a project, knowing where lines are before you dig ultimately makes sure projects are entirely safe.
Why vacuum excavation?
In the past, potholes were dug with large machines, like backhoes. Unfortunately, even a skilled backhoe user runs the risk of damaging the very utility they wanted to protect. Some companies resort to digging by hand. While this method required less machinery and skill, it is somewhat labor-intensive. A shovel is unlikely to cause damage to a water pipe, but could completely sever fiber optics or other communication lines.
The current preferred method of potholing is vacuum excavation. Vacuum excavation happens after utility locating and verifies the utilities by exposing them for visual identification. This method allows for small holes to be created with a much lower risk of additional damage. Vacuums also can create holes of different sizes and depths without extra manual labor. Read more about how to pothole for utilities.
Plan before you dig!
Whether you are doing the work yourself or hiring a contractor to take over, you must plan appropriately. Even smaller projects, such as planting trees or shrubs, require knowing what’s beneath the ground. Many utilities are only buried a few inches below ground, which makes them easier to hit when performing simple gardening projects.
Make sure to call several days before you plan on putting a shovel to the ground. Be careful as some programs only mark the area where utility lines are placed. You may also have to wait for multiple companies to take care of marking the area. Also, be aware that utility companies may not go onto private property. For a better response and completion time, consider going with a private utility locator company.
While some accidents are avoidable, many accidents don’t need to happen. The explosion in Murrieta destroyed more than a house; it took a person’s life. Contractors might think they know better, that they are skilled enough to work around utilities, or they want to save time on a project. However, taking the extra time to identify underground obstructions is the best way to ensure your project is completed without tragedy.
When planning your next home improvement or repair project, make sure to proceed with caution. This is especially true if your project involves digging. The first step to any project of this magnitude is having a proper utility locate service performed. While it may add a few days to your project’s timeline, having utility potholing completed in your yard can save you from dangerous outcomes.
What Went Wrong in Southern California
Recently, Southern California was devastated by an accidental gas explosion: fifteen people were injured, and a Southern California Gas Company worker lost his life. Sadly, the ruptured gas line could have been avoided had the local contractor used a utility locating service.
The contractor not only violated state law but put others at risk. Most likely, the contractor didn’t think locating utilities was essential for the work he was doing. It’s far too common for contractors, handymen, and homeowners to either be overconfident in their abilities or to underestimate the task at hand. However, one must always consider the dangers of their projects and determine whether or not the are truly qualified.
Accidents involving utilities do not always result in death. Some accidents result in damaged property, physical injuries, or high costs. In some cases, calling the local utility company might suffice.
In other situations, it’s best to hire a private utility locating company. These private companies often have more autonomy on your property and can identify all of your utility lines in one visit. Also see potholing for utilities.
Experts Always Do a Utility Pothole Inspection
Potholing is a process that confirms underground utilities and obstructions. As the first part of investigating what’s underground, utility potholing starts with a small, exploratory hole along the planned route of new construction or repairs. While some contractors rely on digital locating devices to find pipes, utility lines, and other obstructions, there are times when actually seeing what’s underground is essential.
Digging without first locating underground utilities runs the risk of hitting the gas, power lines, communications, water, and sewer lines. While nicking one of these utilities might seem harmless, it can result in significant issues:
Service disruption
Costly repairs
Acute injuries
Death
Did you know? Accidentally cutting an underground fiber optics line could stop internet services from working throughout your neighborhood, and you could be held liable for the loss of that service.
What Methods Do Excavation Experts Use?
In the past, manually removing dirt was the only method used to locate and protect utility lines. There are still times when hand tools are preferred. Modern techniques include vacuum excavation. The best method depends on your project and what gets the job done.
Hand Tools
While labor-intensive, using a shovel, pickax, or another hand tool to pothole is perfect for small spaces where precision is necessary. Hand tools are also the cheapest pieces of equipment used to dig. On the flip side, hand tools require a great deal of time and effort, especially when dealing with harder ground surfaces. Shovels are unlikely to damage underground pipes but can slice through cable or communication wires.
Backhoes
When precision isn’t necessary, backhoes are incredible options. The work is much less labor-intensive and can be completed rather quickly. When a new development is excavating for new foundations, backhoes are the easiest and best option. The biggest downside of using a backhoe exists when utilities are present.
Even the most skilled backhoe operator runs the risk of hitting and damaging subterranean lines. This is why most backhoe operators use a spotter to help keep a closer eye on where they are digging. Backhoes also don’t fit into many spaces, especially once houses or other structures are in place.
Vacuum Excavation
Simply knowing where a utility line isn’t always enough. Many projects need to work around existing utility lines. Digging up an entire utility line can take a long time, cost a lot of money, and require quite a bit of workforce. Also, you must consider how digging can destroy your yard.
Vacuum excavation is a method used to locate underground utilities without the same mess as manually digging. The process involves using water or air to break up soil before suctioning up the broken ground into a storage tank. Vacuum excavation contractors can eliminate nearly all risk of damaging underground utilities at a lower cost and higher level of precision. In some cases, the soil can even be reused cutting down on landscaping costs.
Air excavation uses compressed air to loosen and break up the soil. Since the primary element of this process is air, the earth is still used to fill in holes later on.
Hydro Excavation:
Instead of air, hydro excavation uses high-pressure water to loosen and break apart dirt. This technique is also extremely precise, although faster than air-based methods. Since the primary element is water, the soil is no longer fit to be used again.
Both air and hydro excavation allow you to pothole quickly, easily, and safely. At the same time, however, the vacuum excavation process is not something anyone can do. Besides the hefty investment in equipment, operating a vacuum excavation system requires a great deal of skill and experience.
Unfortunately, your utility company or other public “call before you dig” service most likely won’t use vacuum excavation methods. Hiring a private potholing company may seem like an extra expense, but it can certainly save you money in the long run.
Which Method is Best?
The nature of the job at hand will ultimately determine which method is best. The key is that underground utilities are safely located and protected to keep major accidents from becoming commonplace.
Most homeowners won’t be able to decide on their own which method is best. Using a reputable utility locating company is the best way to ensure your project or repair is done without the risk of a significant accident.
Lessen the Surface Damage during Your Excavation Project—Here’s How!
When you are managing or working on a construction project, there are a lot of important factors to keep track of, such as budget, time constraints, and crew management. Modern construction sites have the advantage of using new equipment and methods that make work more efficient and less strenuous on your workers.
One common concern on many construction sites is the question of how to minimize surface damage when carrying out necessary work like utility excavation. Other methods of excavation involve imprecise equipment that has to tear through the ground to reach the utilities. This is why vacuum excavation is so important for any modern construction project.
Our expert team has years of experience with utility potholing and ensures that only the most minimal surface disruption occurs. This creates a more seamless process from potholing to post-excavation work. You will not have to worry about restoring the ground to its original state, which will save you both time and money—precious resources on any construction site!
Keep reading to find out the various ways you can limit the surface damage while excavating your construction site.
Plan Ahead
The way you prepare for excavating your construction site can be the difference between disaster and success. To make sure you collect all the necessary information about your construction site and the terrain, you should do the following:
Check the maps: before you break ground on your construction site, you should consult approved utility maps, which Util-locate can provide to you alongside our other excavation services. These maps will show the location of subsurface objects such as pipes and cables as well as sewers, gas, and electrical lines, which you will need to avoid striking.
Referring to utility maps will get your project off on the right foot because you will be better informed and more aware of where to excavate for visual confirmation. Utility maps are a simple way to reduce the amount of earth that needs to be disturbed so there is less surface damage overall.
Look at the surrounding area: the area around your construction site will inform you about how to proceed and will affect your budget. For instance, you will need to know where the nearest water supply and dumpsite is. A reliable water source is needed for the efficiency of hydro vacuum excavation and the proximity of a dumpsite will reduce the time spent driving unwanted soil away from your construction site.
Consider using RADAR first: as with utility maps, RADAR technology is an important part of pre-excavation preparation. Ground Penetrating RADAR (GPR) is a non-intrusive surveying technique, which is used to locate utilities, rebar, conduits, voids, and other features below the surface.
Why is this useful? Because it records subsurface data, which can inform our specialists about how deep your excavation holes will need to be. GPR is completely non-destructive, which means it will not cause any surface damage.
GPR can be used on all types of surface because it can penetrate through soil, concrete, water, and many other types of terrain. It also detects more than just metallic objects like pipes, it can pick up on the location of other things like fiber-optic cables which are just as important to avoid during excavation.
Choose a reliable excavation method: the most important thing to do to minimize surface damage is to choose the least invasive excavation method. Most construction sites now opt for hydro vacuum excavation when utility potholing because it is not only the most reliable method, but it is also the safest and most accurate.
Taken altogether, these features make vacuum excavation the best choice for anyone who wants less surface damage as well as efficient and precise utility locating.
Hire a professional team: a team that is highly trained and experienced with vacuum excavation is the only way to make sure the excavation is carried out properly. A professional excavation team will create only the necessary surface disruption, which means you will spend far less time and money resurfacing the construction site after the excavation.
Choose the Least Invasive Methods
As briefly mentioned above, when it comes to utility potholing, the method you choose will affect how much the surface is damaged.
In the past, it was common to excavate by hand or with a backhoe, but both of these methods come with major downsides. Excavating with trowels and shovels is extremely time consuming and labor-intensive. While the initial cost may be cheap, its inefficiency and the number of workers needed to carry out the excavation means that the cost will add up exponentially over time. Backhoes are much more efficient, but the machines used for it are not accurate and utility strikes are much more likely to occur.
Remember: when you strike a utility line, the damage will always need to be repaired. This means even more excavation will be required, in addition to what are usually hefty fines and long delays.
To avoid these issues and unwanted costs, it is always recommended to use hydro vacuum excavation. Not only will you receive visual verification of utility line locations, but it can also be done quickly and safely. When the work is complete, only the small excavation holes will need to be covered over.
Stay Safe
Overall, the safety of your crew is the most important thing. Safety measures and training should always be implemented to ensure that everyone on the construction site can stay safe and injury-free.
Utility strikes can result in the loss of water or energy resources within the local community, which is especially dangerous for buildings such as hospitals. This is why it is so important to choose a method that will keep everyone, including members of the public safe.
When carried out by a professional team,vacuum excavation is proven to be time and cost-efficient, as well as incredibly safe. What is an added bonus is its ability to lessen the surface damage incurred by the excavation process.
Vacuum Excavation Service for a Precise Trenching
Compared with most excavation methods used on construction sites, vacuum excavation is still a fairly new tool used for easy utility potholing and accurate excavation. Instead of manual tools or unwieldy equipment, vacuum excavators use a hydro or air jet to gently blow pressurized water or air into the ground to clear away earth. This process is more accurate than other methods and there is little risk of damaging utility lines.
Keep reading to better understand how Vacuum excavation works. This article will explain the process, necessary safety measures, and the many benefits of choosing vacuum excavation over manual digging or backhoes.
What is Vacuum Excavation?
In recent years, vacuum excavation has become the go-to option on construction sites for efficient and thorough excavation. Excavation is an important part of most construction projects because it allows you to understand what is going on underneath the earth. That means being aware of all utility lines, like water or gas, as well as any underground structures that might be in place.
Some methods of excavation, like backhoes, are too cumbersome to carefully excavate the land without risking damage to these utility lines. Such damage can be extremely expensive to repair and if the construction site is in an urban area, the damage could affect the surrounding area. This could lead to extensive fines for affecting the community in an adverse way, such as shutting off the power at a hospital or school.
Understanding the full extent of the risks involved in utility potholing should make it obvious why vacuum excavation is such a good option.
Vacuum excavation technology allows a professional team to gently remove earth from the construction site to reveal a completely accurate image of where the utility lines are located without any risk involved. Not only is the process effective, but a well-trained team can excavate the site quickly without sacrificing thoroughness.
Vacuum excavation can handle nearly all types of terrain: clay, dirt, rough and rocky soil are no match for this equipment. Whereas other forms of excavation can struggle to carefully remove rocky terrain, the water or air pressure from vacuum excavators remains an effective and quick option.
While hydro and air jets work in very similar ways, some will opt for air jets because the earth that is excavated can be reused at a later time. This is not possible with the earth that is cleared using water, so it is best to consult with your team before deciding which type of vacuum excavator to use.
Safety Measures
As with all tools and machinery on construction sites, vacuum excavation should only be carried out by a highly trained individual or team.
The most cost-effective option is to hire a vacuum excavation specialist who can complete the work with ease. Renting the equipment and training someone on site is not only more expensive but can also cause delays for the construction project or cause damage to the machinery or construction site.
To prevent these unnecessary expenses, opt for a team like that at Util-Locate who have years of experience and can understand the needs and scope of your project.
Benefits of Choosing Vacuum Excavation
To better understand the benefits of vacuum excavation, you should consider the downsides of its alternatives: backhoes and hand excavation.
As mentioned above, backhoes are an unwieldy piece of construction machinery, which lack the finesse of a vacuum excavator. While the job might get done quickly, utility lines could be struck or ruptured in the process. We already know that this can result in fines, but you could also have to push back the deadline of the project due to the need for lengthy repairs before construction work can be continued.
Smaller sites have previously relied on excavation being carried out by hand with the use of shovels or trowels. While there is certainly less risk of rupturing a utility line, this method is very time consuming and will result in overworked and exhausted workers.
Due to the amount of time this form of excavation takes, it is not as cost-effective as you might assume. You might save money on equipment, but this is canceled out by how long the process takes and the number of workers it will require.
You might also have heard of RADAR technology, which uses radio waves to locate utility lines. While this might seem like a great option because it limits the need for physical excavation, it is not 100% accurate. This discrepancy in accuracy means utility line ruptures can still occur. If you use RADAR, it should be used alongside a vacuum excavator. Doing so will maximize accuracy while limiting the area you have to excavate.
To conclude, it is essential for the safety and success of your construction project to choose an excavation method that is both accurate and efficient. Vacuum excavation is proven to be the most accurate method for construction site excavation and a professional team will ensure that the work is carried out according to your team’s needs.
Never Just Dig Holes Again! Let the Pros Pothole Your Utilities
When you are planning to carry out excavation work for a construction project, utility potholing is an absolute necessity.
If you aren’t already familiar with utility potholing, it’s a construction method that allows a crew to investigate underground and find any potential water or sewer lines. Professional utility potholing companies have specialized equipment that isn’t affordable to rent for a short term job. Typically, companies use a hydro or air jet, which gently vacuum excavates the site so that underground pipes are easily located.
You might think that using RADAR technology or ordinary hand tools would be as effective, but these techniques are in fact far less accurate. Making a mistake and damaging underground utilities on a construction site can lead to expensive, extensive, and time-consuming repairs. Utility potholing prevents these steep costs and will give you peace of mind throughout the process.
The Problem with Traditional Tools
Even if it is a small scale construction project, excavating by hand with a shovel or trowel is labor-intensive and exhausting. Hand tools are arguably useful for getting into small spaces and are certainly affordable. However, costs can pile up depending on how long the excavation drags on. Added to this, the individual and company you contracted the work might be on a tight schedule and not want to wait for the work to be done by hand.
Hand tools can also make the work more difficult depending on the terrain. Clay, rough terrain, or especially rocky land can cause all sorts of issues and delays.
Another option many people consider using are backhoes, but it’s important to remember that they should only be relied on when you aren’t worried about what’s under the construction site. So if you’re okay with tearing up an existing site, backhoes might work out fine because the job can be completed quickly.
Just bear in mind that utilities will be at risk when a backhoe is used. A spotter on the ground can only do so much and mistakes can happen in even the most careful construction zones.
As mentioned before, when done by a professional, utility potholing is an accurate and effective tool to locate underground utility lines. Here are a few of its benefits:
Minimizes damage
The tools used are gentle enough to clear away earth without damaging the lines you are trying to locate. When compared with other tools, it’s the most accurate way to find the location of water or sewage lines.
There are two types of potholing: air and hydro excavation. Both are very effective techniques and surprisingly cost-effective despite the investment in machinery.
Air or pneumatic excavation uses compressed air to displace soil and unearth the utilities that lie beneath. One benefit of using air excavation is that the soil can be reused at a later point to fill in any holes that were left behind by the excavation.
On the other hand, hydro excavation uses pressurized water to remove the soil by turning it into wet slurry and vacuuming it away. Unlike in air excavation, the wet soil can no longer be reused to refill the hole later on. Nevertheless, hydro excavation is still the most used method of utility potholing today.
Another type of damage you might not have considered is surface damage. With air or hydro excavation, the actual construction site will remain relatively untouched until the real work begins.
With traditional tools, large amounts of earth and removed from the site and relocated, which is neither time nor space-efficient.
Increases safety
A final benefit is how safe utility potholing is. When a water line is severely damaged, workers can get injured and anyone living or operating a business in the surrounding area can be seriously affected.
Causing that sort of damage cannot be taken lightly because you could be held liable for the costs and inconveniences experienced by anyone affected. So not only will you have to pay to repair the damaged lines, which is expensive in itself, but you could have to manage lawsuits and fines as well. See more about potholing excavation.
Tips for Professional Utility Potholing
While utility potholing is generally a far safer and quicker process than other excavation methods, there are still some precautions and techniques that should be used by professionals to ensure the process runs safely and smoothly.
Extensive planning: Before any excavation takes place, you should plan ahead. That means contacting third-parties about any cabling that might be underground. You should aim to be as precise as possible to avoid expensive damage to cables. Damaging infrastructure below the ground is one of the easiest ways to incur delays and extra expenses.
Safety is a priority: It might seem unnecessary to hire a private excavation company, but professionals are trained and highly skilled individuals. Hydro and air excavation require this level of skill and leaving it up to a professional will avoid mistakes and mishaps. Professionals are also accustomed to working on complex sites and will keep the machinery away from any overhead wires, which someone less experienced might forget about.
The Bottom Line
Vacuum excavation for utilities is one of the most sophisticated methods for exposing underground utilities. It’s safer and more effective than most alternatives, and it can be far more affordable in the long run. While it is a large upfront investment in a professional team and equipment, this investment ensures that you avoid serious damage to the construction site and hefty expenses down the line.
If you want a safer and more efficient experience on your construction project, choose a professional team to pothole your utilities.
Utility Potholing & Vacuum Excavation for Your Underground Work
The value of precision in any construction project is hard to overstate. If the technology age has taught us anything, it is the value of miniaturization, precise tolerances, and optimizing the process of building a solid foundation for future improvement.
The high-tech environment comes with its share of challenges, however. Beneath our feet is a maze of electrical connections, gas lines, sewer, and water lines and data cables. It seems every building has its own collection of interfaces to city and county facilities. Things are only going to get more complex as time goes on. Construction crews, contractors, and even utility workers can’t afford to make mistakes when it comes to surveying a site for repairs, new construction, or simple maintenance checks.
The solution is to find a company with the experience and the tools to make vacuum excavation and utility potholing simple, quick and effective.
Keeping It Simple
Vacuum excavation services relies on what would seem to be the simplest of principles. Dirt and debris are mixed with water, liquified, and extracted with a high-powered vacuum. It is what regulators call a “non-destructive” process. This new and effective means of removing dirt and rocks from around sensitive underground facilities is now required by some states when crews are digging near safe zones.
Once the underground work is complete, the dirt is replaced by merely reversing the pressure. In the interim, the liquified material is stored in a tank on site. As an added bonus, since the material is already liquified, when it is replaced it “sets” very much like cement. There is often little evidence any digging ever took place. See more about vacuum digging.
Safety First
Imagine you are building on a site with pre-installed utilities. You have a backhoe in operation. This means digging at the site without sufficient information or worse, outdated information about what kinds of utility lines are present and where they are located. The backhoe blade strikes a gas line. There is a spark.
This is the kind of situation vacuum excavation, and potholing is meant to prevent. It is necessary to know the precise whereabouts of utility lines. It is also vital to understand the nature of those lines and what they might present in terms of hazards. Safety is always of utmost concern at a job site. The crews are at risk, and so is utility service to the surrounding neighborhoods and region.
Digging precisely and with the right tools and process allows you to know with specificity before you engage in large-scale digging or construction. Making the wrong decision or being in too big a hurry carries with it risks no construction crew should have to face.
The Right Team
It is in every stakeholder’s best interest to have experts in their field doing the work they were trained to do. This is why you need an experienced and knowledgeable team at your construction site to find the utility lines before your crew accidentally damages them. It is better and safer for everyone involved, and in the long run, it will save you time and money.
