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4 Reasons to Rent Concrete Demolition Tools

Posted by Ryan Leech

May 14, 2014 7:30:00 AM

concrete_scaling1Since the construction industry started to rebound in 2011, contractors have started to rebuild their businesses back to larger operations to handle the increasing work load. This growth means contractors are using more excavators, and other concrete demolition tools

With a bright outlook forecasted for the next four years, this trend looks likely to continue.

The energy industry alone is expected to account for $30 billion dollars a year until 2035 in required infrastructure projects. 

After the long, grueling winter, jobs are also back on the rise as unemployment levels in the construction industry saw improvement in both March and April.

To accompany this optimistic outlook, contractors are faced with decisions to make on their capital investments, namely whether they should rent equipment or buy it outright.

While there are benefits to both choices, unless your company is flush with cash, renting could be your best option.

This post will outline four advantages of renting, and the flexibility that comes with it.

Prevent Idle Equipment

The first reason that renting is a better decision is that you can select the tool you need without worrying about whether or not it will be needed in future projects.

Unless you work consistently with the same material or limit your company on the contracts you bid on, you may end up buying a piece of equipment that is perfect for one job but then sits idly for onths depreciating in value.

By renting you can ensure that you have precisely the tool needed to handle the job and not worry about trying to operate with a less than ideal tool because you already own it.

Trusted Reliability

When you rent your equipment you can be confident that you are getting a reliable machine that can be counted on to finish the job.

When you have completed your job you can return the tool and not concern yourself with the long-term maintenance of the equipment at the highest standards.

The rental company assumes the responsibility of the tool again and you do not have an asset on your balance sheet to worry about.

Efficient Flexibility

The most successful contractors are the ones that are able to configure themselves in the most efficient way to handle each individual job.

While the outlook for the industry as a whole is optimistic, if there is a month where you unforeseeably miss out on a few contract bids and you have significantly less work you are not stuck with an unnecessary expense.

You also have the flexibility to try out new equipment.

New tools are developed every year and you can experiment with the latest technology available to see whether it is worth the money without a long-term commitment.

Renting on a case-by-case basis keeps your operation lean and flexible.

Renting Does Not Limit Your Ability to Buy

If you find a reliable rental company that you trust and find yourself repeatedly renting the same equipment, several companies will provide you with a lease purchase program where money you spent on a rental can be applied to purchasing the equipment.

This allows you to use the equipment firsthand and see how it performs, instead of just taking the supplier’s word that their product is as great as they say it is.

Renting gives you the option of returning the tool after one job without limiting your ability to make a long-term investment.

These are four reasons why renting can provide your operation a significant advantage over purchasing your own equipment.

Several companies have already seen the benefits and more people every day are making the decision to invest in rental equipment.

Construction equipment rental revenue in the U.S. is forecasted to see a Compound Annual Growth Rate (CAGR) of 8.6% in the next four years.

Join the movement and see how these and other advantages of renting your equipment can improve your bottom line.

Find out everything you need to know about rock grinding with a cutterhead


Topics: Cutter Heads

Does a Cutterhead Spin Towards the Excavator, or Away from it?

Posted by Chip Kogelmann

Apr 10, 2014 12:11:00 PM


Cutterheads can have varying rates of production depending on the hardness of rock you are dealing with, but are especially efficient in soft to medium rock.utterheads are a useful product that can produce a significant impact on a variety of applications within the mining sector including rock mining, quarrying, scaling, shaft sinking, trenching, tunneling and many more. These tough tools are designed to handle a wide variety of rock and concrete making them a great solution in just about any situation.

In these situations the cutterheads make quick work of the material, providing more precision and control while also improving the process of removing the excavated material.

The benefits a cutterhead can provide make it an appealing option to any company that does excavating or tunneling work regularly.

With the appeal cutterheads generate also come a lot of questions about how cutterheads work and what the best ways to use them are.

One question we receive frequently about cutterheads is, what direction does the cutterhead spin?

The cutterhead can be operated in both directions, depending on the application.

Which direction is better?

The majority of the time, the standard practice is to run the cutterhead spinning away from the operator. In the industry, 95% of projects will have the cutterhead spinning away from the operator, sending cut material down and away from the excavator.

This limits the amount of debris being directed towards the excavator and the operator.

By having the cutterhead spin away from the operator, the equipment also endures less wear-and-tear which will improve the life of the equipment and decrease the amount of maintenance and up-keep necessary to keep the project moving forward.

By preventing unnecessary stoppages you can keep your project’s expenses from rising over budget and finish the job to your customer’s highest level of satisfaction.

Cutterheads provide a superior level of reliability compared to hydraulic hammers and other methods of excavation.

With the right cutterhead your next project could be the most efficient and productive project you’ve ever completed.

If you are interested in finding more information on the properties of cutterheads and the best practices associated with using them, we suggest you check out and download our free eBook, The Ultimate Guide to Rock Grinding.

This eBook is the one-stop overview for everything you need to know about cutterheads.

If you have any specific questions about your next project or would like more details about a cutterhead you’re interested in, contact one of our highly qualified Alpine team members to get help today.

Find out everything you need to know about rock grinding with a cutterhead


Topics: Cutter Heads

How Deep Will a Cutterhead Cut?

Posted by Ryan Leech

Apr 8, 2014 7:00:00 AM

deep_cutterheadWhen you are placing a bid on an excavation project there are an abundance of factors that you are taking into consideration.

There are concerns about the geographical location of the project site and the conditions you will potentially face and what equipment and manpower will be necessary to complete the task to the customer’s highest level of satisfaction.

One piece of equipment that is extremely useful in a variety of excavation applications is a cutterhead.

Like most tools, cutterheads come in a variety of options, including specialized custom cutterheads available for particularly challenging or unique situations.

Cutterheads offer numerous advantages over simpler excavating products such as hydraulic hammers.

The enhanced functionality of a cutterhead will give you more precise control over the quality and structure of your Rockwheel_foundationexcavationexcavation projects.

In addition to better overall performance, cutterheads also have the ability to lower costs and improve the efficiency of your project as well.

How deep will a cutterhead cut?

Today we’re going to look specifically at one aspect of cutterhead performance that is important to excavation projects, namely, how deep will a cutterhead cut?

The short answer is that cutterheads theoretically have the ability to operate at any depth, but they are dependent on the excavator or carrier machine they are attached to for reach and depth.

The power and rate at which a cutterhead operates should be constant, so the biggest restriction to a cutterhead’s ability to cut is how far the carrier machine can physically put the cutterhead into the ground.

This means the machine type will obviously have an impact on how the cutterhead performs. Knowing what excavator or carrier machine you have will affect the scope of your project.

Know beforehand what type of excavator or carrier machine you will be attaching your cutterhead to and you’ll be able to determine how deep your cutterhead will be equipped to cut.

Different machines have different capabilities, and even factors such as the machine’s weight and dimensions will change the way a cutterhead performs.

If you have any specific questions about an attachment or need help installing a cutterhead, feel free to contact one of our team members here at Alpine.

There are a few other factors that will directly impact the depth at which a cutterhead will perform.

These include the specific type of cutterhead you select as well as the surrounding conditions of the project site.

The soil type and the surrounding landscape such as the presence of fault lines, utility lines, and any other obstacles will have a direct correlation to how deep the cutterhead can safely excavate.

Cutterheads have the capability to operate at any depth you need to get the job done, and most scenarios will need to be evaluated on a case by case basis.

Find out everything you need to know about rock grinding with a cutterhead



Topics: Cutter Heads, Trenching, Excavation

Trenching Around Utilities in Urban Areas

Posted by Ryan Leech

Apr 3, 2014 7:00:00 AM

It is one thing to execute a trenching project in undeveloped rural areas where there are few obstacles and considerations to account for -- it is quite another to undertake a trenching project in an urban setting.

No trenching project is simple, but everything becomes a little more complicated in an urban setting.senstive_scaling_web

Since trenching is one of the most dangerous construction projects to perform, safety is always at the forefront of any trenching effort.

This is especially true in urban applications where there are more structures and obstacles such as existing pipes or utility lines that interfere with the job.

In addition to trenching near sensitive structures, there is also the population density issue and trying to complete the project in the most unobtrusive way possible.

The greater need for precision and control in urban areas make cutterheads a perfect solution for these trenching endeavors.

Cutterheads have many practical uses but are most commonly applied in trenching, tunneling, and scaling applications.

The alternative to using a cutterhead is to either use a hydraulic hammer or blast the area. These two options can be adequate solutions in certain scenarios, but are largely impractical in an urban context.

These methods are heavy on brute force, but lack the necessary finesse to effectively move around sensitive structures and utilities.

Hammers and blasting tend to create jagged v-shaped trenches that are more difficult to control and create less-stable walls.

Cutterheads on the other hand generate great force while maintaining the necessary delicacy and precision to create clean vertical trenches with superior stability.

By eliminating the v-shape and creating a vertical wall, cutterheads can produce a much narrower trench which leaves a smaller footprint.

A smaller footprint equates to increased safety as well as less fill needed to fill in whatever is being placed in the trench.

Some estimates see a reduction the amount of fill needed by as much as 50% when using a cutterhead.

The additional precision and control alone make cutterheads a significant upgrade over blasting and hydraulic hammers, but in addition to this, they also operate at a lower noise level, which is ideal in urban locations and sensitive areas.

Without sacrificing power, cutterheads are able to operate effectively and produce lower vibrations and shock waves.

The lower levels of shock waves and vibrations also contribute to the trench’s  overall level of safety and stability.utilitycutting

The benefits of a cutterhead make it the go-to choice for trenching projects near sensitive structures.

They produce less noise compared to hammers, have lower levels of vibrations, and lower levels of shock waves.

On top of reducing all environmental risk factors, they also provide an unparalleled level of precision and ability to cut below or adjacent to existing pipes and utilities.

Your next urban trenching project should make full use of the advantages a cutterhead can provide.

Find out everything you need to know about rock grinding with a cutterhead


Topics: Cutter Heads, Trenching

Tunnel Construction: What Productivity Rates Can I Expect from a Cutterhead?

Posted by Chip Kogelmann

Apr 1, 2014 7:00:00 AM

The key to any good investment is starting with a clear objective of what you expect that piece of equipment to do.

Once you have established your target, you can order priorities and begin narrowing your search. When you have defined your priorities, you can be confident in your purchasing decision.  Alpine_trenching_hiprod

When it comes to your excavation equipment, there are several different routes you can take to complete a job.

With an abundance of products and product lines available, there is one question that rises to the top of many managers’ minds.

How productive will this tool or piece of equipment be?

The increase in production has to be significant enough to compensate for the additional expense of purchasing the equipment.

In short, you need to know if the benefits will outweigh the cost of your investment.

What productivity rates can I expect?

Today, we will look at cutterheads in tunnel construction applications and answer the question of what type of productivity rates you can expect from a cutterhead.

Because of the intricately technical nature of tunneling projects, it is difficult to predict production rates with any amount of certainty without knowledge of the exact conditions the equipment will be operating under.

With a detailed description of the worksite environment, it is much easier to provide a detailed prediction about the type of productivity you can reliably expect from a cutterhead.

If you would like to contact us and provide the rock compressive strength of your project we would be happy to talk with you and discuss a production estimate.

Without specific knowledge of your worksite’s conditions, we can also provide some more general information about cutterhead’s productivity.

What sets cutterheads apart?

Cutterheads have a couple built-in benefits that make them valuable investments in tunneling applications.

The first benefit is that they provide lower start-up costs than hydraulic hammers and other competing tunneling equipment.

The ability to keep start-up costs lower improves your productivity right from the beginning of the project.

How precise are cutterheads?

The second major benefit that cutterheads provide in tunneling projects is their greater ability to cut with precision.

The powerful precision of a cutterhead makes it a versatile tool that has successfully handled a variety of tunneling projects ranging from railroad tunnel enlargement to wine cave tunneling.IMG_1440_web

Whether your project calls for small tunnel work or large excavators, there is a cutterhead to help you finish the job.

More precision also leads to higher efficiency in the form of better tunnel formation and improves the safety of the project by creating more stable conditions.

Cutterheads are incredibly efficient tools that will empower your employees to perform at a higher level of productivity and produce better overall results.

You can also be confident that your cutterhead will withstand the demand of tunneling work better than the average hydraulic hammer which will also equate to less down time, which can be costly on tunneling projects.

Production rates can vary considerably depending on a number of details including the compressive rock strength and the type of cutterhead you choose for your project, but with a quick call we can get you set up and ready to tackle your next tunneling project.

Find out everything you need to know about rock grinding with a cutterhead



Topics: Cutter Heads, Tunneling

Cutterhead: The One Tool to Get the Job Done Right

Posted by Chip Kogelmann

Mar 19, 2014 7:00:00 AM

Cutterheads are incredibly versatile and are well suited for several different applications.

Designed to handle a wide variety of projects, cutterheads can be used to excavate soil, rock, asphalt, and concrete. They can also cut virtually any kind of rock. Despite the ability to cut any type of rock, there are some situations where a cutterhead is impractical.

Production rates are lowest for projects that are dealing with igneous rock and highest for shales.

Here is a quick overview of three applications where cutterheads are a viable solution.


Cutterheads are great for trenching projects.

Consistent dimensions enable cutterheads to perform at an optimized speed matched with an ideal cutting size.

This optimization leads to a superior performance that creates smooth, vertical trenches every time. The consistency and precision of a cutterhead will provide you with improved control and better results in all of your trenching projects.

Cutterheads also enhance your ability to form flat bottomed trenches and improve your ability to control grade. Different units are available depending on your desired width, ensuring that you will be able to find the right cutterhead for the job.

Learning more about the best uses and applications of cutterheads can help you decide which option would work best for your situation.  


Cutterheads deliver several capabilities that make them an ideal tool for excavating projects.

They are designed with a powerful low-speed, high torque cut that creates smooth verticals walls.

The smooth precision cuts provide a more stable foundation that is not prone to overbreaking issues.

An additional benefit is that the material excavated on-site is ground down into reusable backfill that eliminates the need for off-site transportation and processing.

These benefits make cutterheads the ideal tool for excavating projects and can provide your company with advantages over competing excavating equipment.  


3-advantages-tunneling-with-cutterheadCutterheads have a very successful history of quality completed tunnel expansions as well as new tunnel construction.

No matter what your tunneling needs call for, there is a cutterhead that will get the job done.

With a wide range of rotary cutterhead sizes, you will be sure to find a cutterhead you can outfit your equipment with. Whether your projects call for skid steer loaders, Brokks, mini excavators, backhoes, or even large excavators, there is an attachment for the job.

Suitable for any environment, a cutterhead attachment is the perfect solution for your tunneling needs.

If your company works regularly in these three areas, cutterhead attachments would be a great investment. With the right cutterhead you will see vast improvement in both your productivity and your efficiency.

With a versatile skillset and the ability to handle just about any surface, the cutterhead is the one tool designed to help you get the job done right.

Find out everything you need to know about rock grinding with a cutterhead  


Topics: Cutter Heads, Trenching, Tunneling

Tunneling: What Equipment Can Be Outfitted with a Cutterhead?

Posted by Chip Kogelmann

Mar 17, 2014 7:00:00 AM

what-equipment-can-be-outfitted-with-a-cutterheadDuring tunneling projects you are constantly faced with decisions about what equipment will enable you to work efficiently and effectively.

Some jobs will be simple and straightforward while others may call for more sophisticated equipment to ensure that the work gets done properly.

With a careful eye on the bottom line, there is a calculated balance between making sure you are outfitted to successfully complete the project and not busting your budget with unnecessary expenditures.

Selecting the right tool for the job can be the difference between a successful project and a project that is late and over-budget.  

The equipment you decide to use will largely be based on the unique conditions of your worksite.

The nature of the project will guide your decision on whether a standard excavator will be sufficient to handle the job or if you feel a custom excavator is necessary to finish the project successfully.

After you select your base equipment you may start to consider if there are attachments that will increase your efficiency and help ensure excellent quality.

Cutterhead attachments have several distinct advantages that they provide in tunneling, scaling, and excavation projects. They provide your team with a superior level of precision and control that will lead to safer, more stable walls.

Cutterheads work in just about any situation and stand up against even the hardest rock surfaces. To learn more about the advantages cutterheads provide check out this blog post.

The improvement in performance and quality make cutterheads an enticing option in several situations, but you’re not sure if a cutterhead is compatible with your equipment.  

Luckily, cutterheads are extremely compatible with several types of equipment making them easy to apply to your tunneling project.

Cutterhead attachments can be placed on standard excavators with ease. These attachments are very straightforward and simple. For slightly more complicated custom excavator equipment, boom-mounted and swivel mounts for cutterheads can be constructed and applied. If given the specifications, it is still a fairly simple process to outfit the equipment with the appropriate cutterhead.

In addition to this equipment, cutterheads are also viable options to attach to skid steer loaders and tunnel excavators.

Typically all machines have adaptors that allow cutterheads to be attached easily and efficiently. The adaptors generally allow the cutterhead to be upright to cut tunnel profile and provide it with the ability to swivel or rotate.

This maneuverability provides for unparalleled amounts of precision and control. The difference between regular tunneling excavators and a cutterhead makes it well worth the investment and will save your company money in the long-run.

The great news is, if you decide that a cutterhead is the right tool for you, it will be compatible with whatever equipment you have.

 Find out everything you need to know about rock grinding with a cutterhead


Topics: Cutter Heads, Tunneling

3 Reasons a Cutterhead Cuts a Better Trench than a Hammer

Posted by Ryan Leech

Feb 25, 2014 7:30:00 AM

3-reasons-a-cutterhead-cuts-a-tetter-trench-than-a-hammerIf you have never completed a trenching project with the use of a cutterhead, you might be interested in knowing that you have been missing out.

Cutterheads have a wide range of ability that makes them incredibly proficient tools for trenching. Cutterheads are wonderful attachments that create smooth walls for a premium trench.

When compared side by side with hydraulic hammers, cutter heads have a superior versatility and precision that makes them a premium solution for any trenching project.

Here are three specific reasons cutterheads provide a better cut than your typical hydraulic hammer can.  

Less Noise

This may seem like a minor advantage, but cutterheads operate at a much quieter level than hammers do. The lower noise levels of cutterheads improve functionality in sensitive areas and in urban settings. This results in more flexibility for your operation and allows you to be less disruptive.  

Less Vibration

A second reason cutterheads have more to offer operationally than hydraulic hammers is their ability to cut with less vibrations. The lower level of vibration and shock waves improves trench wall stability. The improved stability leads to smooth safe walls while simultaneously creating a narrower trench. Narrower trenches allow you to leave a smaller footprint.


The higher level of quality and efficiency cutterheads provide in a trenching operation is preferable to the rough “V-shaped” walls that hammers require. Selecting a cutterhead over a hammer, your operator will have a stronger sense of control over his equipment and there will be a significant improvement in wall quality.

Better Gravel Creation

The third reason that cutterheads provide an advantage over hammers on trenching pojects is in the quality of gravel they produce. In addition to greatly minimizing over-breaking in the first place, the cut rock debris cutterheads typically create are -2 size gravel.

-2 size gravel can easily be used as backfill and directly applied on-location at the work site.

Being able to convert debris directly back into backfill will substantially reduce costs for your operation by eliminating unnecessary transportation.

Reducing your overall cost of projects will take your trenching operations to new levels of efficiency and pay great dividends for your company.

These are only three reasons that demonstrate the ability of cutterheads to equip your employees with the opportunity to perform at a higher level of effectiveness. If this level of quality is something that could benefit your company, you should consider using a cutterhead during your next project and see these results firsthand.  

If you found this article helpful you should consider subscribing to our blog. If you would like more information on the many different applications cutterheads are used for, we highly recommend you to our free eBook, The Ultimate Guide to Rock Grinding.

Find out everything you need to know about rock grinding with a cutterhead


Topics: Cutter Heads, Trenching

3 Ways to Ensure Precision Rock Cutting with a Cutterhead Attachment

Posted by Ryan Leech

Nov 14, 2013 3:13:00 PM

There is nothing easy concerning a heavy excavation project. Projects of this magnitude call for the orderly removal and subsequent disposal of some of the hardest known substances.

There are a few inherent challenges that complicate any excavation job. Finding the right tools to complete the assignment is crucial. A tool that does not have adequate power will not cut efficiently.

Other tools may be powerful enough but lack precision, which can result in structural issues and a build-up of excess debris. Set-backs of this nature can quickly become frustrating and create higher removal expenses.

Finding the right tool to complete the job can make all the difference in the world on an excavation project. For improved results, consider using a rock grinder or cutter head to maximize efficiency.

Cutter heads are remarkable tools that give you greater control of your operation. They are designed to offer the ability to excavate and remove rock and concrete in very precise detail. This precision translates into minimal over-excavation, saving time by only removing the necessary material and reducing costs related to material removal transport and crushing.

Cutter heads crush with fine detail meaning that material rarely needs to be hauled off-site for further crushing. Here are three ways you can ensure precise rock cutting with a cutter head attachment.  


1. Proper Set up

Be sure the hydraulic flow and pressure settings are correctly adjust prior to use. This is an essential and crucial first step that is advised by Alpine. Flow adjustments create maximum cutting efficiency, and are also an integral step in protecting the attachment’s hydraulic motor. Too much flow and pressure in combination can destroy the motor and cost over $10,000 to replace!

2. Operator Skill:

Provide your operator sufficient time to master the attachment. This may sound simple, but giving the operator time to develop a level of comfort with the equipment will improve performance and limit inefficient practices. Once an operator has a firm understanding of how a cutter head works, they will be able to maneuver the attachment with extreme precision. 

3. Sized Right:

Be sure you have correctly matched the right sized machine and attachment for the job.  Not all cutter heads are created equal. Different models and attachments work better with machines of a certain size and for the removal of specific materials. Alpine gives free consultations on

TC-A_ssl_webAs a general rule, the harder the rock, the bigger the cutter head will need to be in order to be productive. Excavator, backhoe, or skid steer loader size dictates what sized cutter head will work, based on the auxiliary hydraulic flow and engine power available. With the right attachment you will be well positioned to complete your project without additional headaches.

Cutter heads are versatile tools that have remarkable ability and give you more control over your excavation project. Follow these three guidelines and you can achieve the most precise rock cutting you’ve ever done.   



Topics: Cutter Heads

Using a Drum Cutter for Limestone Scaling

Posted by Ryan Leech

Oct 24, 2013 3:29:22 PM


Trenching and mass rock excavation projects come complete with a unique set of challenges. Each surface has certain qualities that make different cutter drums better equipped to accomplish the task.

Some situations call for smaller and more precise attachments, others call for large heavier options. One specific scenario that can be challenging for excavation projects is the cutting and removal of limestone.

From a technical definition, limestone is a sedimentary rock that principally consists of calcium carbonate. Due to the many forms limestone can be found in, it is known to vary in hardness. In most of our local applications, the limestone that is found is incredibly hard. The greater hardness levels in these limestone deposits call for heavy duty excavators with large attachments that provide enhanced stability.

Another challenge associated with limestone is that it is commonly found in shallow water.

This means that you need a drum cutter that is durable enough to handle the hard limestone and is equally efficient underwater. Alpine drum cutters and cutter heads are specifically built to not only handle the difficulties of grinding and cutting, but to also be easily fitted to perform in underwater scenarios.

Our fully waterproof systems are guaranteed to perform at highly effective levels in either fresh or saltwater. We are also able to offer some custom solutions if your situation calls for extraordinary equipment applications.

Alpine drum cutters are extremely helpful pieces of machinery that make the entire drilling and cutting process easier. Our broad footprint of cutter drums, power, and large number of teeth make them highly effective options.

One of the more difficult stages of excavation projects involves scaling. Scaling is the finishing step in a drill or blast project when all loose rock and debris is removed to make the interior of the tunnel or room safe for thoroughfare and further work.

This process is a critical step in ensuring a safe work environment. Our smooth, vibration-free machining action effectively completes the job without disturbing the foundation or creating micro-cracks. This results in a smooth wall that is consistent and durable. To have the smoothest scaling possible equip yourself with an Alpine drum cutter.

Limestone provides a variety of challenges for excavation projects, but we're happy to help you with everything you need to handle the job.

Our drum cutters are used in high-production underground limestone quarries across the United States and are also being operated for scaling in underground storage facilities.

Alpine drum cutters have even been used successfully in the removal of limestone in underwater applications.

Our wide variety of drum cutters include heavy attachments that work with large excavators that produce a more stable, less bouncy effect. If your next project involves the removal of limestone, check out ALPINE’s drum cutter selection to find the attachment you need to complete the job.

Learn everything you need to know about our cutter heads:download-rock-and-concrete-grinding-brochure


Topics: Cutter Heads, Rock Scaling

About this blog

This blog is a resource for research, how-to's, and general news regarding rock grinders, transverse cutter heads, roadheaders, and alternatives to hydraulic hammers. 

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