Category Archives: Construction

Hydro Excavation – Colorado Uses and Benefits

When it comes to making the most of the technology of hydro excavation, Colorado companies offer the state-of-the-art equipment as well as the expertise that clients need to be able to carry out excavation work in the safest and most efficient way possible.

What is Hydro Excavation?

Most construction projects involve excavation, the larger and more complex the project, usually the more digging needs to get done. Traditionally, excavation used to be a process done manually, by construction workers who used shovels and other manual tools to dig holes into the ground for foundations and utilities such as pipes and cables. Modern technology has replaced manual labor with the power of machines, hydro excavation being one of the most advanced modern methods used for digging.

Hydro excavation is the process of digging holes in the ground using pressurized water to loosen the soil and industry-strength vacuum to evacuate the soil that has been loosened and is no longer needed. The soil, the slurry and the debris from the hole that has been excavated and removed by the vacuum is stored in a container called a debris tank.

What is Hydro Excavation Used for?

Excavation for foundations is the most common, but not the only purpose that hydro excavation is used for. The method is suitable for numerous other construction processes:

  • Daylighting – the process of digging up larger holes or small test holes in order to find and expose old or unused underground utilities without jeopardizing the safety of the job site;
  • Trenching – digging long and narrow trenches for new utility pipes and cables,
  • Landscaping processes that involve the loosening and removal of soil to a certain depth, such as the layer above the roots of a tree;
  • Gardening processes that involve the removal of the surface layer of the soil in a certain area in order to replace the layer with a new stratum to improve the fertility of the soil;
  • Debris removal – the process involves the loosening and removal of debris from structures such as yard pools without damaging the surrounding area, including walls or installations;
  • Cold weather digging – the process of digging holes into frozen ground that would be impossible or extremely difficult without the special, industry-strength, truck-mounted heaters available on hydro excavation units;
  • Digging in confined spaces in order to repair damaged cables, telephone lines or utility lines that are difficult to access – hydro excavators have long, extendable hoses that allow for the excavation to be done safely and accurately even if the excavator needs to be parked yards away from the digging site.

Types of Hydro Excavators

Hydro excavators come in a wide range of sizes, from small, handheld machines and larger, but still portable equipment to huge, truck-mounted equipment, so you can easily choose the machine that suits the construction or landscaping project that you are working on. The companies specializing in hydro excavation Colorado gives home to work with the best, most modern machines and they can also provide assistance and consultation in the initial phase of the hiring process, when you choose the equipment to rent.

 

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Services You Can Expect from the Leading Dallas Commercial Roofing Contractors

The best Dallas commercial roofing contractors can offer you reliable support in many different areas. Whether you need to have your old roof repaired, or to determine whether a repair job will even be enough, you have to get a detailed inspection and estimate from one of the best local commercial roofing experts.

So what does your roof really need, and can you afford getting it fixed? Rely on Dallas roofers to guide you through the process of finding out.

What a Dallas Roofer Will Do for You

As soon as you contact one of the most professional Dallas commercial roofing contractors, they will set themselves at your disposal. Friendly representatives will ask you what the problem is and whether you need emergency assistance with storm damage. Also, they will seek to set up an appointment so you can get a full roofing evaluation and estimate. You can then find out exactly what kind of work is required and how much it will cost.

The best Dallas contractors are known for their ability to think fast in a crisis situation and put their extensive experience to work in determining the best course of action – even if it’s not necessarily a conventional problem. Ingenuity and improvisation are two of the cornerstones of Dallas roofing contractors, and you’ll find these qualities accentuated in the case of commercial roofers.

Once the roofing issue was identified, they will give you a written estimate to help you keep track of all the tasks that are required and their costs. Finally, once you give them the green light, they’ll get to work straight away and finish the job within the estimated time period included in your written estimate.

Advanced Roofing Services You Can Depend on

The actual services offered by each roofer in part may vary, and they will depend on what the contractor in question specializes in. Most contractors handle commercial roofing repairs and maintenance, while specializing in particular types of roofing installations, such as EPDM or modified bitumen.

Although there are roofing professionals who specialize only in a few different roofing services, even they may be able to help you find out more about a variety of problems through their support service. Dallas firms are known for their helpfulness and knowledgeable assistance.

The following are the services and specializations you are most likely to encounter in Dallas:

•    Full service residential and commercial roofing and construction projects, as well as expert support for restoration projects;
•    Turnkey solutions associated with every type of commercial roofing system;
•    Advanced support for storm damage assessment, emergency roofing repairs and full roof replacements when needed;
•    Complete roof inspection and long term maintenance services;
•    New roof installation and upgrading services for metal, asphalt, TPO, PVC and advanced environmentally friendly roofing systems.

Most professionals will not hesitate in helping you or recommending partnering contractors who can do a better job on certain projects. As soon as you contact them, all the services presented above will be at your disposal, and it won’t take long to compare prices to determine exactly which roofer is the best choice for your budget.

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The Technology Behind An Underground Cable Locator

The modern equipment and the technology used to locate buried cables are both very efficient and divers, allowing technicians to accurately identify the location of cables, as well as their potential faults.

Short description of an underground cable locator

These devices are able to detect not just cables, but also power lines, telephone lines, pipes and other buried systems. Typically they are user-friendly, lightweight, durable, using digital signal processing to improve detection accuracy.

How does it work?

The basics of the locating process didn’t change that much over time. Underground cable locators consist in a transmitter that must be turned on and a hand-held receiver that is waved over the area where the technicians are looking for buried utilities, picking signals. As soon as a signal is detected, it is displayed on the window at the top of the receiving unit and technicians must use their expertise to pinpoint the exact location of the cables, by following the electromagnetic field present around it. They can determine not just the cable’s location, but also its direction, depth and amperage of the signal.

You can find several types of underground wire locators: hum devices, radio frequency detectors, transmitter-receivers, or metal detectors. Some of them are equipped with various features that enhance detection capabilities in different circumstances. For example, some transmitters have a built-in voltage meter, which offers information on potential cable faults.

Both the transmitter and the receiver are placed in cases resistant to different weather conditions and can be powered by batteries, which assures their mobility.

For proper functionality, an underground wire locator must be used according to the instructions provided by the manufacturer; it should also be maintained and checked regularly.

Detection methods used by underground cable location specialists

  • Electromagnetic Utility Locating

This is probably the most common locating method, which involves generating an electromagnetic radio frequency and applying it to the ground. This way any buried utility containing conductive material will generate a signal on the receiver and therefore will be able to be detected. On the other hand, if the utility contains materials such as concrete, unmarked plastic or asbestos, they will remain hidden. Another limitation of Electromagnetic Utility Locating consists in the fact that it doesn`t work too well beyond the depth of 10-15 feet.

  • Ground Penetrating Radar

This method uses high-frequency pulses. Radio waves emitted into the ground are waved back up by buried facilities and allow displaying the objects on the receiver`s window. Although it has some limitations, this method is very efficient (it is typically used where other methods fail) and requires extensive training and experience.

  • Acoustic Pipe Locator

This is another popular method that works well in soil, concrete and asphalt, requiring no system access and being easy to interpret. It consists in sending pings into the earth and monitoring the acoustic wave pattern, until having a locating profile.

These methods are based either on a passive signal (the signal that naturally occurs around a conductor) or on an active signal, which is generated intentionally, by a transmitter, to conductive cables or other utility lines.

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