First, mark your installation points. We recommend your bollards be no more than 5 feet apart. Any space larger than this can fail to block the width of smaller vehicles. After marking your installation points, use an auger to drill holes where you want to implement bollards and barriers.
The hole itself will be significantly wider than the bollard or ground sleeve itself, as you need to leave room for installing a rebar reinforcement and filling the area around the bollard or ground sleeve with concrete. This prevents rain, snow, mud and water from accumulating in the ground sleeves for your removable bollards. A cylindrical rebar cage provides reinforcement for the ground sleeve or the bollard you plan to install — drop it in the hole and let it rest on top of the gravel.
Then, attach a PVC drainage pipe to the bottom of your ground sleeve and place it inside the rebar cage in the hole. If you are installing ground sleeves for removable bollards, ensure that the surface of the ground sleeve is flush with the surface of the ground and level. Next, fill the hole with concrete and smooth it level with the ground—if you installed a ground sleeve, wait for the concrete to completely cure before installing your bollard.
Once the concrete is leveled with the ground and completely cured if a ground sleeve is involved , you can insert your bollards to help ensure optimal protection for your facilities. For example, depending on the type and size of the bollards you're installing, you may need to use heavy duty construction equipment to properly prepare the area, as well as concrete to finish the bollard post installation.
Below TrafficGuard, Inc. Embedded and removable bollards have a more involved installation process than surface-mounted alternatives, but this can ultimately make them longer-lasting and less susceptible to tampering. To install removable bollards, you'll need to drill through the installation site using an powered auger, creating a hole significantly larger than the diameter of the bollard itself.
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Bollards are typically installed in a row so pedestrians and drivers can see them. The spacing between bollards is an important factor to consider. In compliance with the Americans with Disabilities Act, bollards must have enough space between them for pedestrians in wheelchairs and motorized chairs to pass through.
The space between bollards relies heavily on the area your bollard is protecting and who will need to pass through the area. For example, certain bollards are designed to prevent vehicles from passing, but not pedestrians and people on bikes.
Typically, bollards in areas where pedestrians are present must have three to five feet between each post. Before you learn how to install bollards, you need to learn how to prepare for the installation. For any type of bollard, you will need to prepare the site so your bollard will stand up straight and function properly. Before digging, check for underground hazards, like pipes, gas lines and wiring.
Usually, site plans provide this information, if not please contact a professional before you do any digging. Center the drill bit. Mark centers with a smaller drill. Drill to the full depth of the drill bit. After drilling holes and mixing cement, you may find dirt and debris has infiltrated your worksite, blocking your vision and interrupting the placement of your bollards. Use a broom, pressure washer or blow-out pump to clean the concrete surface before you begin installing the pipe bollard.
Vacuum any water or debris that may be on site. Concrete is least affected by changing weather and less likely to deteriorate. Your bollard needs a stable platform that only concrete can provide. Follow these steps to create a concrete base:. Removable bollards are helpful in temporary work zones. Follow this step-by-step guide for installing removable bollards on your worksite:. Collapsible bollards prevent damage to vehicles and are more flexible for temporary work zones.
Use this step-by-step guide as a reference for installing collapsible bollards on your worksite:. Fixed bollards are easier to install than removable bollards because they do not require the rebel cage or gravel. Refer to this step-by-step guide to safely install fixed bollards:. To prevent dust, debris and water from gathering on a pipe bollard with a flat top, finish your bollard with a concrete top, bollard cap or bollard cover.
Asphalt, made of liquid petroleum, is a popular material for urban construction, especially on roads, racetracks and runways. You can produce asphalt by mixing an assortment of materials with a bitumen binder.
Depending on where you are in the world, you can benefit from any of the following types of asphalt:.
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