Settlement FAQs

how to straighten concrete bollard settlement

by Mara Gorczany Published 2 years ago Updated 1 year ago
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Using a trowel, a concrete footing can be shaped to match the base diameter of the bollard. The high and low sides of the bollard footprint can be levelled. Depending on the application, a slight bevel can be added to the low-side slope gently transitioning from the footing to the grade.

Full Answer

How do you finish concrete bollards?

To finish concrete bollards, we take a hollow rubber ball, such as a tennis ball, and cut it in half. Next, we twist the half-ball over the concrete in a circular motion to provide a uniform finish. We've built hundreds of bollards using this method. - William Wells, Bulls Gap, Tenn.

What are bollards made of?

Q: Our company does commercial work that often requires us to construct bollards, which are simply 4- or 6-inch-diameter steel pipes filled with concrete. Concrete is rounded at the top so water will run off. The problem is that our workers don't produce a very uniform product.

What do you think of the protruding concrete on the bollards?

On some bollards the protruding concrete looks like a scoop of ice cream on a cone, and on others the concrete is nearly flat. I know that the bollards' main function is preventing cars from running into storefronts, but the nonuniform appearance is unsightly.Are there any standards for the proper height to mound the concrete?

How do I create a site plan for a pipe bollard?

Site plans are generally created by the architect of the project. Refer to site plans to locate and mark the precise center point of each pipe bollard. Use an auger to dig to the recommended digging depth below the frost line in your area. Note: The required diameter for the bollard differs based on the bollard model.

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How do you level a bollard?

Shim the low-side. If the slope is steep enough, it may be either physically impossible or visually unappealing to level the bollard simply by grinding the high side down. A steep hill might change elevation by several inches over the base of the bollard.

How do you repair a bollard?

1:1610:11Bollard Repair & Reset - YouTubeYouTubeStart of suggested clipEnd of suggested clipBefore I start cutting I'm just going to sweep the debris that's in the area. So that it doesn't goMoreBefore I start cutting I'm just going to sweep the debris that's in the area. So that it doesn't go flying in my eyes when I'm cutting.

How do you set a bollard in concrete?

Use a vacuum to remove any standing water or debris.Dig the hole. ... Mix and pour the concrete. ... Place the pipe bollard near the site. ... Fill the pipe bollard with concrete. ... Domed top with concrete. ... Domed top using a bollard cap. ... Domed top using a bollard cover. ... Clean the surface of the pipe bollard.More items...

How deep should a concrete bollard be buried?

18 to 24 inches deepHow deep should a bollard be buried? The hole dug for the bollard should have a 6 inch gap all around, be 18 to 24 inches deep and set in concrete.

How do you remove a concrete filled bollard?

2:524:52Removing Pipe Bollards From a Parking Lot - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd if you're not worried about damaging the surface then you would just uh wrap the chain around itMoreAnd if you're not worried about damaging the surface then you would just uh wrap the chain around it and pull it up and you'd be done with it.

What is a concrete bollard?

These round or cylinder shaped bollards are constructed of steel rebar encased in concrete to provide a strong appearance and help guide traffic flow. You can choose from a variety of textures, colors and finishes.

Should bollards be filled with concrete?

Don't place a perfectly good bollard in front of your store to protect your valuable assets only to fill it with cement. Not only will it weaken the bollard, in a couple of months, the rust that forms will leave ugly stains on your front sidewalk. >

How much force can a bollard take?

At the high-end, Bollards are constructed to completely stop most vehicles; a “Defense” Bollard can withstand up to 300,000N and continue to operate (i.e. a truck traveling at high speed).

How do you install an inground bollard?

Safety Bollard Installation InstructionsMark Your Installation Points. ... Auger Footing Hole to Spec. ... Set Gravel Drainage Base. ... Prepare Rebar Cage to Spec & Position It. ... Attach PVC Drainage Pipe to Sleeve. ... Position Sleeve with PVC Pipe so Flush with Finish Grade. ... Pour Concrete & Allow Cure. ... Insert Bollards to Protect Facilities.

Do you need planning permission to install bollards?

So long as it is being positioned onto your own private land, then you do not need any planning permission to install a bollard.

Are bollards structural?

There are different types of structures in Civil Engineering that serve different purposes. A Bollard is one such structure. A Bollard is a vertical structure that comes in different sizes, shapes, and colors.

How thick should a bollard be?

Typically, bollards come in various diameters with a Schedule 40 wall thickness. That wall thickness will vary depending on the diameter of the bollard. In some higher security applications, the wall thickness will be Schedule 80 or XH for “extra heavy”.

Can I remove a bollard?

Removable bollards, on the other hand, are designed to be removed and reinstalled on a whim, so even if you change your mind about your bollards later on, you can take them out quickly and easily.

How do you remove the safety from a bollard?

0:001:18How to Remove an In-Ground Bollard - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou turn it a quarter of a turn the slowly twist apart.MoreYou turn it a quarter of a turn the slowly twist apart.

How do you paint parking bollards?

Here are the simple steps to painting bollard posts:Step One: Collect all of your necessary painting equipment.Step Two: Forget all about painting, go outside and throw the paint supplies away.Step Three: Call Ideal Shield to order new Bollard Covers so you'll never have to paint again.More items...•

How do I get rid of removable bollard?

Lift the bollard, insert the bollard key, and turn it in a clockwise motion. 3. Hold the key in position and continue to lift the bollard. The plunger should remain retracted, allowing the bollard to be removed from the receiver.

How do you make a removable bollard?

To install removable bollards, you’ll need to drill through the installation site using a high-powered auger, creating a hole significantly larger than the diameter of the bollard itself. At the bottom, you’ll install gravel and a rebar cage to facilitate moisture drainage and reinforce the bollard.

How much does it cost to install bollards?

In this case, the bollard installation cost to the client is about $800 to $1275 per bollard as specified. Lower quantities will be higher per bollard while for higher quantities, you will see a price break.

Do bollards stop cars?

Low-impact bollards, that don’t provide vehicle stopping power, have been popular for centuries in Europe and the UK.

How high should bollards be?

Heights for bollards typically range from 30″ to 48″ tall, with the average height of them being 36″ or three feet tall.

Do you need planning permission to install bollards?

See sections 137 to 160. If the verge belongs to the Council then it’s not so much a case of ” planning permission ” but just normal ” permission “ .

What does Bollard mean?

1: a post of metal or wood on a wharf around which to fasten mooring lines. 2: bitt sense 1. 3 chiefly British: any of a series of short posts set at intervals to delimit an area (such as a traffic island) or to exclude vehicles.

Does filling a pipe with concrete make it stronger?

The most popular suggestion here is filling the tube with concrete. This no doubt will get you a stronger member that is capable in flexing more and take more load without bucking the top or compression side of the tube.

Why do you need a bollard?

Due to their short stature and small foot print, they can be easy to forget. Bollards are also the sort of item that may be changed late in the game for aesthetic or budgetary reasons.

Why are bollards important?

Removable bollards, like those beside a plaza or at the end of a loading bay, are often placed to prevent casual parking or drive-through access. Even though they are not anti-ram, they are still effective as drivers will not crash into them to get a parking space. A bolted metal bollard will cause damage to a vehicle hitting it with any speed, whether it is impact-protective or not.

What is the role of Bollards in the world?

“Use at your own risk” is still true, but good site design is expected to mitigate those risks. Bollards have taken a larger role in offering protection or guidance. The Federal Emergency Management Agency (FEMA) guidelines, widely adopted by civic institutions in several countries, offer ways to prevent terrorist and ram-raid thefts through perimeter security. Popularized in Sweden, vision-zero guidelines, offer environmental strategies to decrease traffic injury and fatality.

Where are bollards used?

Bollards are also used in pedestrian areas where impact protection is unnecessary. Decorative bollards connected with chains might structure a lineup outside a venue, protect a garden, or discourage people from cutting across the edge of a lawn.

Can bollards be installed in concrete?

Fortunately, bollards can be installed into existing concrete, saving both money and time. Procedures for this installation depend on whether the bollards need to be impact-protective or just serve as guideposts.

Can bollards cause stress?

Whether the bollards were initially forgotten, or whether large orders or changes to design mean order lead times are longer than expected, last-minute additions can cause real stress. If the project timeline is set back, the budget can be threatened. Project leads can feel torn between holding off on pouring concrete or ripping up existing sidewalk—neither seem like a great option.

Do bollards need target hardening?

Although impact-protective and anti-terrorist bollards make news headlines, most bollards do not need target hardening. Traffic guidance bollards are often not impact-protective. In the case of flexible bollards, they may be chosen explicitly because they bend on impact.

How to get a nice finish on a concrete bollard?

To get a really nice finish, go over the bollard top several times as the concrete sets. The more passes, the finer the finish.

How high should I mound concrete?

I've found that mounding concrete about 2 or 3 inches above the steel pipe will result in a good-looking finished product. That's because troweling the concrete compacts it. After shaping the concrete with the trowel and letting it set enough to finish, take a piece of plastic film and use it to buff the top and sides of the concrete as if you were shining your shoes. This will fill in any imperfections and leave a nice surface texture. If you like, you can then pass a finishing brush over the surface.

How to install bollards?

Installation includes drilling a hole, reinforcing it with rebar and piping, and filling it with concrete that secures the bollard in a rock-hard block. This means that to remove the bollard, you must break and/or remove the concrete block in which it's embedded— a process that may require construction equipment like a jackhammer and a forklift. Once the bollard is removed, you may be left with significant damage to your concrete surface, necessitating further excavation followed by refilling.

What is the best alternative to concrete bollards?

Removable Bollards as an Alternative. Because the installation and removal of concrete bollard posts is so involved, removable bollards are a popular alternative. These offer comparable strength, but without the same permanency. Instead of installing the bollard itself directly in the concrete, you install a specially-fitted sleeve.

Can you install a bollard in concrete?

Instead of installing the bollard itself directly in the concrete, you install a specially-fitted sleeve. The removable bollard then fits into the sleeve, locking in place underground. When you remove it, you can replace it with a filler piece or a build-in lid that closes over the sleeve, maintaining a flush surface with the ground. ...

Can you remove a fixed bollard?

Removing embedded fixed bollards is easier said than done, but if you're apprehensive about the permanency of installing these barriers, there are alternatives that may better suit your needs. Embedding a fixed bollard in the first place is a significant operation in and of itself, and undoing that work can be just as destructive ...

How to protect finish on bollards?

To protect the finish, keep bollards in original packaging until the exact moment of installation.

What is a concrete bollard?

Concrete bollards are reinforced with steel rebars for some impact protection. Suitable for use in urban environments such as parking lots and other high-traffic areas.

How to compact soil below the intended surface?

Use a dirt tamper to compact the soil below the intended surface.

Can you adjust concrete after it has cured?

Note: Once the concrete has cured, there will be no way to make any adjustments.

Can you bend rebar before putting it in concrete?

Note: It is recommended to bend the rebar slightly before embedding in wet concrete.

Does Reliance Foundry have a powder coating?

Reliance Foundry manufactures its products to the highest design standards to ensure their durability. Reliance Foundry’s bollards are finished with long-lasting powder coating. In most North American environments, routine inspections and cleaning will ensure that bollards retain their aesthetic appeal. Proper care and maintenance are required to maintain the finish and ensure a full service life.

How much does Bollard concrete cost?

For 6-inch-diameter steel pipe, I recommend that the bollard foundation be 3 feet deep and at least 18 inches square. That works out to a bit less than 7 cubic feet of concrete (about ¼ yard) — not really that much, but still a fair amount to mix by hand.

How much does it cost to install bollards?

In this case, the bollard installation cost to the client is about $800 to $1275 per bollard as specified. Lower quantities will be higher per bollard while for higher quantities, you will see a price break.

Do bollards stop cars?

Low-impact bollards, that don’t provide vehicle stopping power, have been popular for centuries in Europe and the UK.

How high should bollards be?

Heights for bollards typically range from 30″ to 48″ tall, with the average height of them being 36″ or three feet tall.

Do you need planning permission to install bollards?

See sections 137 to 160. If the verge belongs to the Council then it’s not so much a case of “ planning permission ” but just normal “ permission “ .

What does Bollard mean?

1: a post of metal or wood on a wharf around which to fasten mooring lines. 2: bitt sense 1. 3 chiefly British: any of a series of short posts set at intervals to delimit an area (such as a traffic island) or to exclude vehicles.

Does filling a pipe with concrete make it stronger?

The most popular suggestion here is filling the tube with concrete. This no doubt will get you a stronger member that is capable in flexing more and take more load without bucking the top or compression side of the tube.

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