Tuesday, November 18th, 2008
If you have built a site-built home before, you are not likely familiar with what a set crew does or why a crane operator is important. These facets are unique to the modular home industry; and they are extremely important. The set crew is important in placing the modules onto the foundation and securing them into place accurately. And without an expert crane operator, there is no way to lift the modules off the tractor trailer truck and onto your building site.
Set crews can be provided by the equipment manufacturers like caterpillar equipments, john deere equipments, case equipments, komatsu equipments etc. or can be subcontracted by your builder. Either is fine as long as they have experience with modular homes. However, often there may be some cost savings by hiring them directly or through your builder. Most crane operators are independent contractors, although manufacturers often have a list of operators they use regularly in your area. Regardless who recommends them, on the building site they are under the supervision of your general contractor.
Upon arrival of the set crew, the set crew chief inspects the foundation for manufacturer’s compliance and for any defects. If there are any problems that cause further delays in the setting of your home, there are additional hours of time charged to you for the set crew and crane operator to wait or reschedule. If this is due to your builder’s error, it is reasonable for him to pay these extra charges. Once inspected, the set crew guides and secures each module into place and removes transportation material from each module.
Once the modules are in place, the floors are leveled and bolted to the floor centers. In addition, the set crew places the steel columns for support in the crawl space or basement as outlined by the manufacturer. The set crew also sprays insulation in the perimeter walls and “marriage” walls where two modules come together to ensure good protection from the elements. And lastly, the roof system is attached and made flush to the home making it weather-proof. By the end of the process, the modular assembly is completed and protected from the outside.
The crane operator should be experienced in placing modular homes so that proper attachments to the modules do not damage the sections inadvertently. Set crews of course assist with this, but it helps to have a knowledgeable crane operator. Ideally, the crane operator has already surveyed your site prior to the arrival of the modular units and knows exactly where he can set up the crane. The terrain and access should be cleared as part of your excavation to allow enough room for the crane to arrive and locate itself for your modular home placement.
Most “sets” take either one or two days to complete depending on the home’s size and complexity of design. Because the modular must be unwrapped from transport and connected together while exposed, weather can influence the assembly. It is the set crews’ responsibility along with your builder’s role to protect your home during assembly from the weather. But assuming a good forecast, the modular home set usually proceeds quickly and smoothly. By the time the set crew leaves, your home looks as if it was built on-site practically overnight.
Posted in heavy equipments | No Comments »
Wednesday, November 5th, 2008
A backhoe is a type of excavating or earthmoving equipment that is also known as rear actor, extractor or back actor. It has a bucket-shaped scooping tool attached at the end of consisting of a digging bucket on the end of an artificial arm. They are mostly used in constructing roads or large buildings.
This system is attached to a vehicle which enables the machinery to shift from place to place as required. It almost mimics the human hand by digging, lifting and dumping material.
A backhoe consists of three parts that could be considered to be similar to a human arm: 1. The Boom. It is attached to the tractor and is like the upper arm. 2. The Stick. On one end it is attached to the vehicle and is like the forearm 3. The Bucket. The other end of the stick is attached to a hand shaped bucket.
There is also another attachment to the tractor that is called the loader. The backhoe for sale does the digging, lifting and dumping work and the loader shifts the dug material to a different place. So basically, the backhoe gets to things underground and the loader moves things around above groud.
The tractor helps in shifting the entire system as required. This forms the whole earthmoving equipment used for construction jobs.
The driver of the vehicle is actually the operator and has three responsibilities - to move the vehicle, to make the backhoe work and the loader to shift the material.
There is a control panel on the dashboard of the tractor with the help of which he is able to operate all the three things. The operator has to be smart enough to control the backhoe and tractor movements. The loader does not require much application.
As the operator parks the tractor at the required place two leg-like support comes out and gets fixed at the sides of the tractor for extra strength and stabilizing. Now the system is ready to work. The operator chooses buttons on the dashboard to use the arm to pull out to the required point of digging. Then the operator uses another lever attached to the hand-like bucket to touch the earth from where the material is to be lifted. There is again another lever which is for the digging action. This lever will force the bucket to dig into the earth. This will fill the bucket with the material. The material is then lifted with the same levers to a dumping truck or is dumped somewhere nearby.
There are a number of manufacturers of backhoes. The major players in backhoe manufacturing are JCB, John Deere, Case, KPX, Massey Ferguson, Caterpillar equipments, etc.
Like the skid-steer loaders, compact wheel loaders and trenchers, there is also a type of backhoe called the compact backhoes. Such backhoes use light attachments and are efficient in digging and faster loading. They can dig 6-8 feet depths easily and weigh lesser than 5000 pounds. These backhoes are very user-friendly requiring minimal time to be detached from the tractor.
Posted in backhoe loader | Comments Off
Monday, November 3rd, 2008
Sometimes an excavator or a heavy loader is just more than you need for a job. That’s why the skid steer, which can perform similarly to an excavator or a heavy loader on a smaller scale, is a central piece of machinery to many construction, demolition, landscaping, and mining companies as well as a farms and other agricultural operations.
The kind of skid steer you need depends on the scope of your operation, but the best part about skid steers is that there are so many add-ons and work tools available, the skid steer is one of the most adaptable pieces of machinery in your inventory. If you’re in a business that requires the use of heavy equipment, you’re in a business that requires the use of a skid steer.
Perhaps you’re starting a business
and need a skid steer or maybe you need to replace a skid steer that no longer works. You might even have a used skid steer that you no longer need and want to earn back some of the purchase price by moving it off of your lot.
You can find a used skid steer for sale online for just $6000 if you know where to look! Online used construction equipment classifieds sites offer a variety of used skid steers, from New Holland to John Deere at low prices and even negotiable rates.
There are websites site that offer 100% free basic membership to all buyers, sellers, renters, and leasers. Members are typically allowed to post FREE For Sale, For Rent, and Want Ad postings each month at no charge. The ads allow for detailed descriptions, multiple images, and full contact information as well as a free company store link to showcase multiple heavy equipment pieces for sale at once. When a transaction is made, it stays between the buyer and the seller or the renter and the leaser.
Since you’re sure to need a variety of skid steers for your farm or construction, landscaping, demolition, or mining business, you’re going to need to find a place that offers a variety of used skid steers at bargain prices. The best used heavy equipment classifieds Web sites don’t punish buyers or sellers by taking fees and they offer their members a wide variety of options when posting an ad. Sign up for a free membership at one of these sites and start browsing the used skid steer ads today!
Posted in skid steer loader | No Comments »
Monday, October 20th, 2008
Excavators where the digging action is a downward arch motion are known as backhoes or hoes and even back shovels. Thus they are used to excavate below the ground surface or below the machine track level. New or used backhoe loaders beside being mounted on crawler tracks can also be mounted on a wheel base.
Wheel mounted excavators are not specifically for bulk excavation but designed for mobility and general purpose works. The John Deere excavators and JCB excavators are the most well known examples of the wheeled based types.
Uses Of Backhoes :
These heavy equipments for sale are suitable for excavating trenches, pits for basement and smaller machines can handle general grading work. It is a versatile machine in that it can perform both excavation and lifting works. Example in drainage works or utility works , the back hoe can perform the trench excavation and handle the pipes or culverts. Thus this makes the need for a second lifting machine unnecessary.
During excavation the penetration force in to the material being excavated is achieved by the stick cylinder and the bucket cylinder. The buckets can be selected depending on the type of material excavated. For easily excavated material wide buckets are used. When excavating rocky material or blasted rocks, a narrow bucket is used. In utility works, the width of the required trench is the deciding factor in selecting the bucket.
Posted in backhoe loader | No Comments »
