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Posts Tagged ‘Asphalt installation’

How Do They Pave So Many Highways?

Friday, August 19th, 2016
merica’s veins take quite a lot of asphalt to install, and even more planning.  Not to mention, it takes a ridiculous amount of manpower to get something like a highway paved and ready to go.

America’s veins take quite a lot of asphalt to install, and even more planning. Not to mention, it takes a ridiculous amount of manpower to get something like a highway paved and ready to go.

Have you ever looked at a web of highways and wondered how they manage to put down all of that pavement?  America’s veins take quite a lot of asphalt to install, and even more planning.  Not to mention, it takes a ridiculous amount of manpower to get something like a highway paved and ready to go.  That’s why it seems like construction on highways goes on forever–you may not notice it when you’re driving so fast, but that’s a lot of work!  If you want to know what it takes to build a highway road, read on.


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The Process of Asphalt Installation For a Parking Lot

Thursday, June 2nd, 2016
asphalt parking lot

No two parking lots are exactly the same. Traffic changes are crucial, because they determine how thick the asphalt will be.

There are many different steps to the process of asphalt installation.  PTG Enterprises has the most efficient one, and follows guidelines that will lay your asphalt correctly.  To help you out, we’re writing our process down so our customers will be able to see clearly just how we do things.


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The Asphalt Installation Process

Friday, June 27th, 2014

Asphalt: it’s everywhere, from highways to parking lots and driveways, but many of us take asphalt for granted. When was the last time you stopped and really thought about it? Where does asphalt come from? How is it installed? Well, today is your lucky day. The asphalt experts at PTG Enterprises are going to give you a closer look at the in-depth installation process.

Asphalt Installation
While an experienced crew may make paving look easy, trust us…it’s not!

The Asphalt Installation Process

For the sake of this article, we are going to just assume that the construction area has already been prepared. So let’s dive right in…

  1. After the stone is laid and fine graded it should be covered with the first layer or base course of asphalt to protect the integrity of the sub-base.
  2. Someone will spray or spot apply tack coat material along any concrete gutter pan or sidewalk reveals.While it may not seem like part of the installation process, one man will be responsible for controlling the movement of trucks. And trust us, this is an important job! It’s crucially important that the trucks stay in order and the next one up is always ready to go. The hotter the asphalt, the easier it is to work with.
  3. Finally, the asphalt is dumped to the paver. One man is responsible to make sure the joint lines up with the previous paving pull and another is responsible for determining thickness, grade, pitch and fall.
  4. The ground personnel, known as “Lute Men,” spread / rake high and low spots out of areas that were just paved but need minor adjustments.
  5. The roller man is responsible for the compaction of the freshly laid asphalt. Plate tampers and hand tampers are used in tight areas where pavers cannot go.
  6. Your base course asphalt is usually installed at two, three, or four inches and compacted to between 92 to 97% compaction.
  7. A second base or intermediate course of asphalt is installed IF NEEDED.
  8. The surface course of asphalt is installed at 1.5, 2.0 or 2.5 inches and compacted to between 92 to 97%.
  9. The area is left closed to all traffic for 24 hours and allowed to cure and harden.

Every new construction project will have its own set of specific requirements that run hand in hand with the type of property. It is important to have an experienced asphalt contractor that can handle each unique situation.

The asphalt paving experts at PTG Enterprises have managed hundreds of pavement projects throughout Baltimore, Maryland, Washington DC, and Virginia. You can expect a fair proposal, professionalism, and quality work.

If you have any questions about Asphalt Installation, please contact PTG Enterprises today by calling 410-636-8777, or click here today! Unlike those other asphalt contractors, we care about you and your business. In fact, when you hire PTG, you’ll work with owner Patrick Gillen from start to finish, from the initial site visit and pre-construction meeting to the final walk-through.

You can check us out on Facebook and Twitter as well!

The Asphalt Driveway Repair Process

Friday, November 25th, 2011

Is your asphalt driveway in desperate need of repair? Well, the only way to truly rehabilitate your parking pad is to hire a professional asphalt contractor to come in, assess the situation, and repair the problem.

While you can attempt small do-it-yourself asphalt patching jobs on your own, these will be little more than temporary solutions. In the end, the only way to truly repair your driveway is to have an asphalt professional, like PTG Enterprises, handle the project.

Here at PTG Enterprises, we adhere to the following Asphalt Driveway Repair Process:

1. Pre-Construction

The purpose of a pre-construction meeting is to clearly communicate expectation levels and set a time to allow a question and answer session. A successful pre-construction meeting results in everyone leaving with a clear understanding of what’s going to happen and when it’s happening. Most of the time, this information is discussed at the time of estimate.

2. Traffic Controls

Usually this consists of cones and caution tape. We will place cones around construction vehicles and at both ends of the work zone. Maintaining the safety on a work zone is of the utmost importance. Once the driveway repairs have been completed, caution tape will be placed across the entrance to allow the asphalt time to cure.

3. Base Patching – (IF NEEDED)

As described in several places through-out this website, most patching is conducted the same way. The damaged asphalt is excavated, in this case to the sub-grade stone, and all damaged asphalt is removed from site and disposed of at a recycling plant. Assuming the sub-grade is stable, (see “Undercutting” if not), new asphalt is installed within the excavated area and compacted within industry standards. With base patching, the finished grade of the patch is even with either the old existing pavement that is about to be overlaid or even with the milled out elevation of the parking lot. In both cases, base patching is designed to repair isolated damaged areas prior to an overlay.

4. Undercutting / Stone Replacement – (IF NEEDED)

Soft spot or unstable soil is usually easy to see and evaluate. A simple on-site test is a proof roll. For this you take a fully loaded dump truck (approx. 50,000 pounds) and drive it over the area. In smaller areas, a bobcat will work. If the truck / bobcat cause deflections or makes deep wheel rut impressions in the sub-grade, you have a soft spot. The area is excavated as needed until a stable soil is reached and all debris is removed from site. New stone is then reinstalled in lifts, building the area back up to pre-construction elevations. The area is then capped with base course asphalt if overlay is to follow or base and surface course asphalt if it is to be a finished patch.

5. Asphalt Installation

The paving machine, paired with an experienced operator and a trained crew, will make paving look easy – it’s not. Assuming fabric was not in the scope of work, than the paving team will have a man designated to either spray or spot apply tack coat material. Another ground personnel will be responsible for controlling the movement of trucks. It’s crucially important that the trucks stay in order and the next one up is always ready to go. The hotter the asphalt, the easier it is to work with, hence the longer a truck sits, the cooler the asphalt gets. The asphalt is dumped from the truck to the paver where two men control each side. One man is responsible to make sure the joint lines up with the previous paving pull and the other side is responsible for determining thickness, grade, pitch and fall. Accompanying the paver are usually two ground personnel known as “Lute men”. They take direction from the paving foreman and will spread / rake high and low spots out of areas that were just paved but need minor adjustments. Finally, there is the roller man. He is responsible for the compaction of the freshly laid asphalt. Usually this person will work the roller and also plate tampers and hand tampers in the tight areas where pavers cannot go.

If you have any questions or wish to schedule a pre-construction meeting, please contact PTG Enterprises aka My Pavement Guy today by calling 410-636-8777 or click here today!

I started my career in 1996 working on driveways. I learned how to work with homeowners and how to successfully manage driveway projects. Since then I have completed more than 2,000 driveway projects. Although the majority of my work today is parking lot or roadway oriented, I have never lost touch with my roots and have maintained and kept my Home Improvement License current, ( MHIC # 51204 ). I know driveways and understand driveway issues. I have crews that specialize in driveway installations and repairs. They are also committed to my ideals that “Attention to Detail” is the key to a successful driveway project.

Give me the opportunity to impress you. I can be your one stop ‘Pavement Guy,’ for any pavement project regardless of size or scope.

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How to Repair Your Old Asphalt Driveway

Thursday, August 11th, 2011

Is your driveway in rough shape? Will repairs do the trick? Does it need to be resurfaced? Should you have it redone professionally? These are all questions that homeowners ask themselves when faced with a dilapidated driveway. Ultimately the best thing to do is the contact a professional like My Pavement Guy, but there are some things you can consider on your own.

According to this article on EzineArticles there are some important things to think about before consulting your contractor:

Maintenance is good medicine, but it’s not foolproof

Asphalt driveways don’t remain smooth and black forever. You can take steps to maintain your driveway by sealing and protecting it, but often the effects of heat, ultra-violet rays, and substances such as salt, oil, gas and grease take their toll. And if those don’t get you, then cracking and water penetration eventually will.

Your driveway may be corroded, worn out, or have cracks, which could all warrant a resurfacing job if the condition is severe enough. As a general guide, if repairs are needed on more than 25 percent of the surface, it is more cost-effective to do a hot mix asphalt resurfacing job over the entire driveway.

Say no to cracks!

Asphalt pavement is hard and brittle, and as a result, cracks will develop over time. Ranging from hairline to an inch wide or more, cracks are your driveway’s worst enemy because they let water in. In colder climates, freeze-thaw cycles can be very destructive, and can wreak havoc on your driveway if water penetrates the cracks, then expands as it turns to ice. And even in warmer climates, water penetration can cause serious damage. The larger the crack, the more serious the problem, and the sooner it needs to be fixed. Cracks that are left un-repaired will lead to serious deterioration of the pavement and even to the base layers, requiring complete replacement of the driveway – sooner rather than later in colder climates.

Can it be fixed or do you need a new driveway?

Whether you’ll need to rip out your existing driveway and install a new one, or if you can get away with resurfacing – or even some patchwork and crack-filling – depends largely on the condition of the base layers, or foundation. However, if cracking covers 3/4 of the driveway, the surface is too far gone to repair. The root of the problems may come from lower down, and a complete overhaul should be considered.

If your driveway has been resurfaced several times with hot mix asphalt and keeps deteriorating prematurely, it is likely a problem with the foundation, and you should consider installing a whole new driveway. Likewise, if there are areas that have depressions or mounds, they should be completely reconstructed from the base. If you have several of these areas, a new driveway might make sense.

For any of your asphalt needs or if you have any questions, contact PTG Enterprises aka My Pavement Guy by calling 410-636-8777 or click here

Check us out on Facebook and Twitter as well!

Pothole Repair: It’s a Bigger Job Than You May Think

Friday, June 24th, 2011

It’s a hole in the road. How hard can it be to fill a hole, right? Well, you might be surprised. Pothole repair is tough work and requires a trained crew and some specialty equipment. This article from PaveManPro.com explains the lengthy repair process.

How to repair a pothole:

1. With a pavement saw or pneumatic hammer, cut the outline of the patch, extending at least 0.3 m (I ft.) outside of the distressed area. The outline should be square or rectangular with two of the sides at right angles to the direction of traffic.

2. Excavate as much pavement as necessary to reach firm support. If a patch is to be an integral part of the pavement, its foundation must be as strong or stronger than that of the original roadway. This may mean that some of the sub-grade will also have to be removed. The faces of the excavation should be straight and vertical.

3. Trim and compact the sub-grade.

4. Apply a tack coat to the vertical faces of the excavation.

5. Backfill with the asphalt mixture. Using a shovel or skid steer loader place the mixture directly from the truck into the prepared excavation. The maximum lift thickness largely depends upon the type of asphalt mixture and the available compaction equipment. Asphalt concrete can and should be placed in deep lifts, since the greater heat retention of the thicker layers facilitates compaction. From a compaction standpoint, patches using asphalt concrete can be backfilled in one lift. However, when placing a patch that is deeper than 3 cm (5 in.) it is often useful to leave the first lift 2.5 to 5 cm (I to 2 in.) below the finished grade, making it easier to judge the total quantity of mixture required for the patch.

On the other hand, patches constructed with mixtures containing emulsified or cutback asphalt must be placed in layers thin enough to permit evaporation of the diluents that make the mixture workable.

6. Spread carefully to avoid segregation of the mixture. Avoid pulling the material from the center of the patch to the edges. If more material is needed at the edge, it should be deposited there, and the excess raked away. The amount of mixture used should be sufficient to ensure that the after compaction the patch surface will not be below that of the adjacent pavement.  On the other hand, if too much material is used a hump will raise.

7. Compact each lift of the patch thoroughly. Use equipment that is suited for the size of the job.  A vibratory plate compactor is excellent for small jobs, while a vibratory roller is likely to be more effective for larger areas. When compacting the final lift (which may be the only lift), overlap the first pass and return of the vibratory roller or plate compactor to no more than 5 cm (6 in.) on to the patch on one side. Then move to the opposite side and repeat the process. Once this is accomplished, proceed at right angles to the compacted edges, with each pass and return overlapping a few inches on to the uncompacted mix. If there is a grade, compaction should proceed from the low side to the high side to minimize possible shoving of the mix.

8. When adequate compaction equipment is used, the surface of the patch should be at the same elevation as the surrounding pavement. However, if hand tamping or other light compaction methods are used, the surface of the completed patch should be slightly higher than the adjacent pavement, since the patch is likely to be further compressed by traffic.

9. Check the vertical alignment and smoothness of the patch with a straightedge or string line.

So next time you complain about that pothole down the street not getting fixed or next time you think to yourself, “hey, I could do that in half the time,” remember that pothole repair is not a quick fix. Properly patching a pothole takes time, know-how, and a lot of energy.

If you have any questions, contact PTG Enterprises by calling 410-636-8777 or click here

Check us out on Facebook and Twitter as well!

A Father’s Day Driveway

Wednesday, June 15th, 2011

It is so hard to find your father a descent present. After all, all you dad really wants for Father’s Day is some peace and quiet and a little relaxation. But how do you give him that?

In a recent poll done by Harris Interactive, 80% of fathers admitted they wanted gifts related to home improvement. So instead of buying dad another tie or some socks, get him something he really wants, a new driveway. Let your father relax as you have your driveway professionally re-paved.

And who better to do the work than PTG Enterprises, a company that has completed well over 2,000 driveway projects. They will deploy an entire team of professionals to quickly install your brand new driveway.

The paving machine, paired with an experienced operator and a trained crew, will make paving look easy – it’s not. Assuming fabric was not in the scope of work, than the paving team will have a man designated to either spray or spot apply tack coat material. Another ground personnel will be responsible for controlling the movement of trucks. It’s crucially important that the trucks stay in order and the next one up is always ready to go. The hotter the asphalt, the easier it is to work with, hence the longer a truck sits, the cooler the asphalt gets. The asphalt is dumped from the truck to the paver where two men control each side. One man is responsible to make sure the joint lines up with the previous paving pull and the other side is responsible for determining thickness, grade, pitch and fall. Accompanying the paver are usually two ground personnel known as “Lute men”. They take direction from the paving foreman and will spread / rake high and low spots out of areas that were just paved but need minor adjustments. Finally, there is the roller man. He is responsible for the compaction of the freshly laid asphalt. Usually this person will work the roller and also plate tampers and hand tampers in the tight areas where pavers cannot go.

So give your dad something he really wants this Father’s Day – a new, professionally installed driveway and some relaxation. If you have any questions, contact PTG Enterprises by calling 410-636-8777 or click here

Check us out on Facebook and Twitter as well!

Beautifying Your Driveway

Tuesday, June 7th, 2011

If you are going to put up the money to install a brand new driveway, or if you are just unhappy with the way your current driveway looks, why not try to add a few accents to make your driveway really standout? It is a lot easier than you may think. As this article from eHow.com explains, there are several ways you can turn that boring driveway into the perfect an eye-catching addition to any front yard.

  1. If you have a long driveway, make it curved instead of a straight line. Installing curves in the driveway to follow the natural contours of your yard can also soften the appearance.
  2. Place stone or brick edging along the edge of the driveway. This will add the perfect accent to your driveway.
  3. Install flower beds along the edge of the driveway. This forms a natural boundary between the driveway and the lawn, and planting flowers can brighten the driveway with an array of colors.
  4. Plant trees along the edge of the driveway. This works better for longer driveways because you have more space to plant trees. One drawback is that it will be years before the trees are fully grown, but once grown the trees provide a shaded canopy over the driveway. Anytime you plant trees near pavement, place them far enough from the pavement that the root system will not grow underneath the pavement and dislodge it.
  5. Install lighting along the driveway. While this doesn’t do anything to soften the appearance of the driveway during the day, it can provide dramatic effects at night. The lighting can be as simple as a post light near the end of the driveway or as complex as lights placed in trees along the driveway that cast their glow down onto the driveway. Another option is to place path lights along the edge of the driveway. Using many lights can provide a runway effect; using a few path lights spaced far apart can mark the edge of the driveway without making you feel like you’re landing a 737 in front of your house.

Now that you know what to do, you can go liven up your front yard. If you have any questions, contact PTG Enterprises by calling 410-636-8777 or click here

How to Identify Pavement Distress

Thursday, June 2nd, 2011

Unfortunately, even the best pavement is not indestructible. Heavy traffic usage and weather changes, along with several other outside factors, can lead to pavement distress, which is noticeable physical damage on roads or sidewalks. If not dealt with quickly, pavement distress can lead to more serious problems, all of which can significantly shorten the lifespan of your pavement.

But how can you spot pavement distress in time? This article from eHow.com explains how you can quickly identify pavement distress.

1.   Assess cracks on the surface of the pavement. Alligator cracking appears as a network of cracks, forming a pattern somewhat like the skin of an alligator or wonky squares. As the U.S. Department of Transportation outlines in its “Pavement Distress Identification Manual for the NPS Road Inventory Program, 2006 -2009,” the severity of the distress can be measured. It is considered low when the width of the crack is less than 1/4 inch in width. However, the alligator distress is serious when the cracks are more than 3/4 inch wide.

2.   Check the pavement’s surface for long strips of cracking. These are ruts that run either along the length of the pavement or sideways across the surface. In places where the cracks are more than 3/4 inch in width, the distress is considered serious and can buckle the pavement, causing bumps. Hot weather can cause this type of pavement distress.

3.   Identify gouged-out areas or dips on the surface of the road. Pavement distress is characterised by potholes. These are concave holes on the surface, which are a nuisance for drivers. The holes can cause punctures in tires, gather water and lead to further cracking.

4.   Look for dark square or rectangular patches of asphalt on the pavement. Distress can be identified by finding discolored areas where potholes or previous distress marks have been filled or covered over. The replacement asphalt causes a dark patch to be seen. Cracking, ruts or potholes can often be seen in proximity to the patching, which is indicative of pavement distress.

5.   Crouch down and look across the surface of the pavement. Identify two lines of depressions in the road’s surface. If these are in the direction of the wheel paths, this distress is called rutting. Rutting occurs when continuous use of the pavement by heavy vehicles causes the surface to sink. It is classified as severe when the depressions are greater than 1 inch below the surface of the pavement.

Once you have identified pavement distress, it is time to repair the damage. There are several products available that allow you to do the job yourself, but if you want to ensure your pavement is properly fixed, it is probably best to call a professional.

If you have any questions or if you would rather leave the repair work to the professionals, contact PTG Enterprises by calling 410-636-8777 or click here

Repairing Lifted Concrete

Wednesday, May 25th, 2011

After Concrete is laid, the inevitable settling, shifting and moving will occur. But in extreme cases, when the ground settles below the concrete or when a tree root comes into contact with the pavement, walkways or patios can break and lift. These unsightly blemishes on your otherwise pristine concrete surface can ruin the entire look and feel of your patio or walkway. And with Memorial Day right around the corner, you are going to want your home to look perfect for your guests.

This article from eHow.com provides 4 ways in which you can quickly repair that broken and lifted concrete.

Instructions

1.     The easiest way to repair lifting concrete pavement is to grind it down. Most driveways are at least 6″ thick by code, so there should be sufficient grinding depth. Walkways and patios are 3″ – 4″ in thickness. Renting a scarifier is probably the most practical way to do this yourself. This is not an easy machine to use, so if you are not comfortable with the job, don’t hesitate to call in a professional.

2.     If the lifting is the result of tree root growth, you will have to grind your cement down repetitively as the roots will continue to push the concrete up. A better solution is to remove the concrete pavement all together, cut out the offending root(s) and re-pour the cement.

3.     A quick fix would be to fill in the ‘step’ created by the raised concrete with a cement adhesive and concrete/polymer fill. Even if you carefully rough up the lower cement, this ramp-like fix will only be a temporary patch at best. It will chip away fairly quickly, especially on a driveway pavement with heavy traffic.

4.     Better left to the professionals, you can float a slab of concrete that has sunk into the ground by drilling holes and pumping in a cement mix. This will literally float the slab back up with the pressure of the concrete beneath.

Now you can enjoy your Memorial Day barbeque without having to hear, “What happened to your patio!?” at least 50 times. If you have any questions or if you would rather leave the repair work to the professionals, contact PTG Enterprises by calling 410-636-8777 or click here today!