Foundation drilling is, in essence, using big machines to put big holes in the ground.
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Most residential homes have a reinforced, concrete slab foundation poured on top of the ground. Though some settling and shifting will occur, it is not enough to send the walls tumbling down. However, huge structures like bridges and office buildings, need foundations that can handle some movement and are strong enough to carry the weight of the building itself and what&#;s on or inside of it. To do this, large construction projects use foundation drilling rigs to create drilled shafts. Also known as drilled piers, caissons or bored piles, drilled shafts are constructed by pouring concrete into a drilled hole. The load is supported mainly through skin friction where the subsurface soil surrounding the shaft holds it in place. End-bearing shafts carry the weight load on the base of the shaft. This type of drilled shaft is used less often.
The type of rig used depends on several factors. How deep and what the diameter of the holes will be, obviously. But, the type of soil, where the project is located (in a city or out in the boonies), and how much room there is to maneuver are just some of the considerations. The project requirements will also dictate which foundation drilling method is used.
How to Select Foundation Drilling Rig
Selecting the right foundation drilling rig can be daunting. They&#;re expensive &#; so you want to get it right the first time. You want to drill down (pardon the pun) to what your requirements truly are. Once you understand your &#;must-have&#; (hard) requirements, you can find the foundation drilling rig to meet them. There is no one-size-fits-all drill that works for all types of drilling and all site conditions.
Job Description
You want to determine the specifics of the job you need to get done. The diameter and depths of the holes, the type of soil, and the features of the site must be known.
Location Challenges
Are you working on rough terrain? Is the job in the heart of a city where noise reduction is critical? Is it a small lot or other tight space that will require smaller, more nimble equipment? The rig you choose must be able to work within the limitations of the job site.
Mobility
An autonomous crawler drilling rig does not need additional equipment or a separate power source to move around the job site. Truck-mounted and trailer-mounted foundation drilling rigs need to be powered by a generator or by the truck that&#;s moving them about.
Stability
An important part of any foundation drilling rig is the stability of the platform. The amount of ground pressure the rig exerts matters. It impacts how large the platform must be. So, the size of the construction site can limit the weight of the rig you can buy. The manufacturer will tell you how much pressure their rig exerts. Lighter weight models, such as Commachio&#;s MC 3, can provide plenty of power and still squeeze through areas as narrow as 9mm.
The rig should be placed on level and firm ground. The area must graded to support the rig per the manufacturer&#;s specifications. Crane mats can be used to support the platform. They are typically made from 12&#; thick timbers and are available in lengths from 8- to 40-feet. Widths of 4, 5, or 6 feet are available. The Crane Mat Company also offers custom mats and used mats that have been returned through their buyback program. You can also rent crane mats. Bridgewell makes all-steel Mammoth Mats for multi-million pound rigs.
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On Special Occasions
Some jobs require custom features that you won&#;t be able to use for other projects. If possible, select a standard foundation drilling rig and add attachments that will meet the requirements of a particular job. You want the rig you select to have the broadest use possible.
Cutting Technology or Old School?
Fancy color screens, automatic placement, and torque technology are terrific. But you may not need them to complete a project. The training required to use the features of high-tech equipment also adds to the project timeline and budget. Sometimes a foundation drilling rig that is less high-tech with a longer track record is a lower-risk &#; and lower cost &#; solution.
Price
It is natural to think of price first. But, resist the urge. Figure out what your requirements are for the job. You should have two lists &#; hard requirements and &#;soft&#; requirements. (Soft requirements are nice-to-have features that are not necessary to get the work done.) Present this information to at least three vendors and let them advise which foundation drilling rigs are best based on these requirements. Considerations can also be made for ongoing maintenance costs, reliability as well as flexibility.
Wrap Up
The most important aspect of selecting a foundation drilling rig is understanding what you really need to get the job done. Take the time to meet with a sales engineer and other experts to clearly define the project requirements. Find a few models that will meet your needs then shop around.
A drilling rig is an integrated device penetrating the earth&#;s crust to create wells, such as water or oil wells. Augers are drilling rigs that are small enough to be moved manually by one person but large enough to house the equipment needed to drill water, oil, or natural gas extraction wells. Drilling rigs can be used to install subsurface fabrications, such as underground utilities, instrumentation, tunnels, or wells, as well as to sample subsurface mineral deposits and evaluate the physical characteristics of rock, soil, and groundwater. Drilling rigs can be either temporary land- or marine-based constructions or portable equipment mounted on trucks, tracks, or trailers.
Now you can choose different drilling rigs based on your needs and requirements. Various tips for selecting the perfect drilling rig according to your needs can be as follows:
When selecting the proper drilling rig, it is crucial to consider factors such as the user&#;s needs, the terrain it will operate on, and the safety requirements. Always select a rig appropriate for the terrain you will be working in. It is essential to decide the drilling rig&#;s intended usage and the primary terrain it will operate. You can select from various drilling rig types, such as rotary drilling rigs, percussive drilling rigs, down-the-hole drilling rigs, top hammer drilling rigs, etc. Ultimately, the proper drilling rig for you depends on your needs and your budget. The tips above can help you select the best drilling rig for your requirements. You can follow all these points to find the best water well drilling rigs, epiroc drilling rigs, etc.
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