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Knowledge is Key in Steel Building Purchases

For the first-time buyer of prefabricated, pre-engineered steel buildings, they will find themselves in a confusing world. Terms such as purlins, lateral load, deflection, parapet and rigid frame will come into play during the initial design phase. Consumers may be aware of the inherent quality and toughness of high-grade steel, but understand little else about what to look for when considering purchasing a steel structure.

If your desire is leasing a steel structure, ask yourself this: Wouldn’t you rather own a structure and have the freedom of expanding and changing the facility at your whim? The renting of an all-steel structure can become a costly venture. Available at a fraction of the price of more traditionally styled buildings, almost anyone can purchase and erect a pre-engineered steel structure.

There are many low-priced steel buildings on the market today. These are represented as “economy” buildings and are manufactured with light 29-gauge steel. These packages are commonly offered up by brokers. The dimensions of the buildings aren’t as varied by a broker as they would be from a manufacturing plant or supplier. Keep looking until you find what you need to form your desired building plan.

There is a vast array of options to choose from: producers, manufacturers, suppliers all vie for your attention and your money. A number of these companies don’t have the familiarity or inherent resources to benefit you in the long-run. Is the steel structure company just selling you a structure, or are they offering a total assistance package? If you have the money, 800 numbers are easy to come by. Computer websites can be designed and built overnight. Investigate each company to the best of your ability. Don’t be swayed by glitter and fluff. Look at companies with long track records in regards to years in business. Do they provide references at your request? Is there a showroom book displaying finished projects and most importantly, are the addresses included in the book? When you call the company and ask to speak to customer service, does the owner of the business help you instead? This should be a red flag for you to go elsewhere, if it isn’t too late.

Certain companies will demand “money up front” without producing anything in return. You may not even be aware of the full purchase price before they ask you to take out your wallet! Pressure will then be placed directly on you to put the project into motion. Pick a manufacturer or contract manufacturer that will allow you to secure the price for a small partial payment put towards the engineering team to start the project. A project guide should be provided to you at no charge; his job is to give advice pertaining to the layout of your building.

Currently there are many categories of pre-engineered steel buildings. Pole barns and Quonset huts are two traditional styles used primary for agricultural ventures. The two have limitations. The Quonset Huts are unattractive and expensive to insulate. Their inner arches diminish useable area size close to the sidewalls. The buildings arrive unpainted and unprotected. The basic pole barn gives you only the metal structure. To frame it in requires you purchasing lumber from another source. Costly to erect and having limited width dimensions pole barns are generally used only for agricultural purposes.

Seasoned contractors and building erectors favor firms providing premium quality steel Rigid I-Beam assembly. Rigid I-Beam configurations feature fast assembly, and generous “free-span” cross measures. Building inspectors as a rule love buildings not needing interior support columns. Siliconized polyester paint options are available to further protect the structure. Know what you are getting into before you sign for your package. A complete knowledge of steel and metal structures is vital so that you don’t get taken or your money wasted.

Snow and Rain Loads for Prefabricated Steel Buildings

Are you planning on building this year? If you want to convert from traditional building methods and go with steel structures, it is essential you understand precipitation loads in the area you want the building to be erected.

The impact of wind plus rain coupled by warmer weather can displace the amount of roof-top snow. When it melts and slides off to the ground, this causes the ground snow load amount to be larger than the roof snow load. Snow sliding or snow drifts are regular phenomena on steel roofs where snow can’t get a good foothold. Adequate drainage needs to be provided for during the design stage.

On a lower roof abutting a steeper one, the snow load will slide off the steep roof and settle on the smaller roof, thus increasing the strain and stress on the roof beams and web covers. Walls and parapets see a good deal of snow mass. Total rooftop area support, and also wall and parapet elevations, needs to be factored into all formulations in working with areas where larger snow loads will build. The amount of snow load can be four times more than what the load calls for on a lower roof that adjoins to a building wall. The more pronounced the larger roof is the more snow will slide. Your design team should be knowledgeable on this fact and make the proper calculations to prevent the roof from collapsing under the weight.

The maximum potential snow density accepted for a structure’s roof at a particular time is known as the Design Snow Load. The use of live load is very dependent on building and structure habitation, yet snow load corresponds particularly to a specific area on the structure. The design snow load number is impacted by the accepted ground snow extent in any community. Properly engineering any pre-fabricated structure to its ideal design snow load entails the precise calculations correlated to the given ground snow amount. These considerations include flat roof snow load, the ground snow load total quantity, as well as thermal and exposure probabilities. Not only does the pitch of the roof factor in to the success of snow loads, but also adequate drains and drainage gutters need to be placed to stop roof and wall damage from occurring.

On top of gabled or hip roofs, uneven snow loads can occur. Water ponding can result. Almost any all-steel building design is capable of having the precise loading achieved by applying a computation to the total area of the steel building, roof pitch, along with the flat sloped snow load quantities which are then added together.

One additional aspect to consider when talking about snow load is that involving partial loading. When construction of a multi-span pre-engineered structure is employed in lieu of the application of clear-span, the necessity of partial loading can be contained in all structural supports such as frames and purlins. There are some spans of a given steel structure that are engineered for maximum snow load. Others figured for lesser loads. Careful planning for proper application of snow load during the design phase helps balance the load accurately.

Proper and precise roof loading sums can only be ascertained by tallying all rain and rain-on-snow loads with any building calculations. This is crucial due to the fact that in some regions of the U.S., certain snowstorms can quickly changeover to rain, hence the need for rain-on-snow load considerations.

Any snow present on a steel roof, most notably, one with a flatter slope, will tend to soak up any water available and thus prevent the flow of water. The given heavier roof load from precipitation in the form of rain along with snow on the rooftop can be fixed by use of extra rooftop support along with an augmented roof slope. The mention rain load is the rainfall mass atop the roof that can gather together as a result of the roof rainwater drainage plan being inefficient. Moving water off the roof quickly through a series of drain pipes and gutters can guarantee the entire steel structure’s viability. As a byproduct of heavy rainfall, potential steel building roof warping can be bypassed using the aid of outlying over the choice of inner channels.

Delivery of Your Steel Structure

To make certain that you understand all aspects relevant to the trucking of your steel structure, you should touch base with your all-steel building manufacturer or contract manufacturer long before your structure is due to be delivered. Trucking to your job-site will occur once your all-steel structure has been finished. Normally, this is done through a regular trucking company, although various steel structure suppliers will transport using their own fleet of trucks. All delivery arrangements need to be set-up before your structure even enters the design phase. Any special delivery instructions should be ironed out before the due date. Changing addresses or other shipping information at the last moment can prove costly.

Accountability for the structure to be loaded on the truck is held by two people the trucking company for the receiving of the steel building parts at the shipping clerk at the plant. From there it is up to you, the purchaser to make sure the correct address and date of delivery has been supplied. You will be responsible for taking delivery of the shipment once it arrives, and if you can’t be there, it is up to you to appoint someone in your stead.

Fabrication of a steel building, in addition to design and fittings can take any number of days, or a number of months, if it is ordered during the plant’s busy time of year. You should allow ample time for the process of planning, designing and fabricating your structure.

Prior to construction starting, some owners wish to have their pre-engineered steel building shipped to the job location. Without proper cover or protection, the steel components are left to the mercy of the elements. Your duties lie in making sure the parts are protected. If they get ruined and have to be replaced, this can set you back a pretty penny, not to mention be a costly time delay. Although quality steel structures are produced with protective coatings, not all companies furnish this service. Weeks, even months before the transport of your building, be sure you have the proper team of erectors assembled. If you plan on raising the roof during the busy season, pick your team off-season so they will be ready.

When considering buying a prefabricated, pre-engineered steel structure your schedule should be:

  • Purchase the land and prepare the ground
  • Check the local building codes
  • Acquire the proper permits
  • Hire the team of erectors
  • Get your plan into the design stages
  • Determine shipping and delivery dates
  • Sign the final papers
  • Fabrication
  • Accept delivery
  • Erect your building
  • Do the walk-through with a walk-through inspector
  • Of course, the bottom line with a project as complex as steel building construction is to be flexible. No one wants interruptions or surprises, but they can happen. While a lot of problems can be prevented by careful planniing, the ones that do come can be handled more easily if you are well prepared. Have your “numbers” handy and an action plan in place.

    The Low Cost Distinctions of Steel Buildings

    Over the past forty years, there have occurred multiple advancements within the steel building industry. Vanished from sight are the unsightly steel buildings of the past. Modern technology married to steel now produces such wonderful buildings such as: The Walt Disney Concert Hall, the Atomium in Belgium, and the Peter B. Lewis Building in Cleveland. The unsightly metal sheds have met their match. These matches are appearing on ranchlands, farms, commercial land and with private homeowners.

    The acceptance of steel structures took off toward the end of the 19th century. The first initial steel structure was a small building to stow a car, shortly thereafter, steel was being used for broader storage capabilities. Soon small businesses caught on and the steel building industry began to expand.

    In the 1940’s the first line of pre-fabricated structures using a rigid frame layout appeared. Rigid structural frames as the vital element for the steel building’s framework were established becoming a strong and durable building structure. Still in use today, this frame system is an accepted style of construction for many projects. Larger and more functional steel structure systems at a lower cost were attained by both businesses and industries alike, the allure being the strength of the building and the fast set-up time. Formerly assembled airplane hangars that utilized other building materials were substituted by steel airplane hangars after the 1940’s.

    Progress then commenced with making the engineering aspects of steel structures more flexible. The demand for prefabricated, pre-engineered structures grew so that in 1956, The Metal Building Manufacturers Association (MBMA) was formed. This alliance strictly regulated manufacturing of steel structures, beginning a push towards changing the prices of years past and working to increase the consumer base for these structures. The prefabricated, pre-engineered industry grew markedly with 1 million dollars in new projects in the late 1950’s to higher than two-point-five-billion dollars in new structure by the end of the twentieth century. The rise in steel prices in the 20th Century brought to the forefront the use of premium-grade steel. In spite of recent price increases, a large number of building contractors, companies, and other development associations are still selecting high quality steel as their construction material. Even with the price going up, the cost of building with steel is still substantially lower than building with traditional measures.

    Premium Quality Steel for Roofs and Their Uses

    Selecting the right design method and product for your roof is critical for the success of your building. The roof protects the occupants and the items stored beneath it. Over the years, steel roofs have proven their worth, resulting in many consumers instead of patching and repairing their wooden roof, they simply replace it with a steel roof of premium-grade metal.

    The focus for steel building purchasers is in structural roof soundness of their building. The life of the roof of their building revolves around proper design, placement, combined with structural repair. Satisfying all these issues they settle on a pre-engineered steel roof. First off, the form of state-of-the-art roofing made of steel is extremely adjustable to any layout requirements. Able to be engineered and installed easily are low profile, elevated inclined and added options of parapets and hip roofs.

    Steel roofs are an engineering marvel with the ability to be placed quickly on top of any structure. Upkeep and repair of pre-engineered roofing made of steel is minimal removing the need for routine upkeep. Outdated conventional, or traditional structural roof assemblies can become a big integrity and safety problem in a hurry as a result of inadequacy of upkeep.

    A particular incline or pitch is the main point to examine regarding your steel roof system. In steel roof engineering, low profile as well as flat structure roof design will be at the reduced portion of the range. The counter extremity of the range is 6:12 (six inches of rise for every foot of run) which are known as “ski slope” inclines. Many people select a pitch somewhere in between. Pre-engineered steel roof system gradient can also determine the internal volume of the structure. If there’s a building that requires one-hundred feet in width, the roof slope will be pivotal. The roof will ascend to a gable in the middle. From the eave to the gable, one on twelve roof pitch will have the roof ascend fifty inches. Employing a four on twelve pitch to the same expanse of roof elevates the roof just shy of seventeen feet at the gable from the eave. The roof’s rise will add to the inner area allowing you to have the team design a ten foot ceiling. If cooling or heating in the inner area is called for, the roof rise will spike your ongoing electricity bill.

    An excellent performer, pre-engineered steel roofing in cold weather holds firm. In cold climates, the hazards of water back-up or ice build-up can be devastating. Extreme wind regions distinctively affect shingled roofs with the hazards of blow-offs. Helping to alleviate any difficulties with precipitation ponding or blow-off is the utilization of a standing seam roof. All steel roofs accepted for high wind areas match up to the wind loads required by the local building codes.

    Fundamental Benefits of Pre-Fabricated Buildings

    Are you aware that the largest percentage of single and two story non-residential homes in the fifty states are made up of pre-engineered steel buildings? This generated by a recent survey of the Metal Building Manufacturers Association (MBMA.) As a preferred construction material, premium-quality steel has made the jump into commercial, business, industry and other worldwide uses. A large amount of companies in the private enterprise sector are avoiding traditional building measures, opting instead for the cost-saving process of building with high-grade steel. They recognize the benefits of going steel.

    Most all-steel construction sales, as opposed to common buildings, have the advantage of dealing with just one company. The whole structure design, manufacturing, and delivery of a pre-engineered steel building can be directed through just one manufacturer, contract manufacturer, or broker. There is no need for communicating a large number of vendors. The building purchaser and/or General Contractor doesn’t have to concern himself with schedule interruptions because of delayed or lost shipments of key components. If a problem arises while construction is underway, this can usually be dealt with quickly within the company’s customer service department. If the design is calculated and planned correctly and premium-grade steel is used to build the structure, you avoid the costly mistakes made sometimes in conventional construction of cutting corners or using substandard materials to speed up completion.

    Purchasing a steel structure will save you time and money. Building purchasers wanting to work with less construction laborers can accomplish this by going with steel, due to the fact that all components are pre-cut, pre-welded, and pre-drilled before leaving the factory. No time is committed to expensive construction methods involving component drilling, welding, cutting, and fitting.

    Structural component pre-engineering at the steel building plant to specific dimensions optimizes the use of materials on site. The choice of steel buildings that are pre-engineered for many construction projects becomes clear when matched up to similar sized traditional building projects which can be as much as 50% more in cost.

    For future use, lengthening of your steel structure is accomplished simply by unfastening the end wall, the attachment of extra framing and roof and wall panels. When you are finished expanding your building’s interior, reattach the end walls.

    A pre-engineered steel structure can be completed, and ready for occupancy, in quick order. An all-steel building necessitates less time than a traditional building to assemble as professional General Contractors are well accustomed with steel building components in most building configurations.

    Little structural maintenance is necessary. All high-grade steel coverings can be washed effortlessly. Lumber can warp, adobe will chip, however today’s all-steel structure coatings repel stains, water, streaking and fading.

    If you need hundreds of feet of clear-span width then a prefabricated, pre-engineered steel building should be selected. Conventional applications of construction methods usually require unattractive inner load-bearing columns, but a pre-engineered steel building can easily handle a maximum of three-hundred feet of clear-span space.

    Steel Structures: Are Low Prices the Better Prices?

    With different prefabricated, pre-engineered steel companies, individuals encounter what appears to be the same quality and size of steel structure with quotes that vary greatly. Is the best resolution then to go with the cheapest deal you can find? Professed steel “economy” buildings are made available by various metal building producers. These steel buildings are generally fabricated of lighter gauged twenty-nine gauge steel, instead of the recommended, sturdy twenty-six gauge steel. Making this building questionable in regards to quality and toughness. Even in the most temperate of climates, the lighter gauge steel might not measure up. It comes unpainted, so it would be your responsibility to buy the sliconized polyester paint and coat the pieces or pay for a crew to do the work.

    Based on price alone, people want to buy a pre-fabricated, pre-engineered steel building. Keep in mind that many steel structures do not come insulated. You need to figure in the cost of the insulation needed as that will be an important aspect. If your building isn’t going to have people or animals inside, insulation wouldn’t be necessary. Note that not only do you have to insulate the walls but also the roof.

    Don’t neglect the expense of transportation. The price of freight is sometimes hidden in these economical deals, and when the company talks about a delivered cost, they aren’t talking trucking, but rather delivering your structure out the back door of the plant. Insist that the steel building supplier supply the shipping expenses upfront. Employing a shared load approach (more than one order is shipped in a load) is common with more than a few fabricators. The possibility of your contents lacking components that are misplaced or lost is increased in a shared load. Arrange to pick up the building at the steel building plant by yourself if you are able to, or insist on your building being shipped on a separate carrier.

     

    What may be only an unpainted metal shack can be portrayed as an economy building. The expenses escalate when adding extras such as; doors, windows, ridge vents and other necessities. If you need a modest, pre-engineered steel building and just one door and a window, find out the prices of these ahead of buying the pre-engineered steel building. It may cost less for you to acquire these items locally.

    Required certification such as an Engineer Certified Drawings and Anchor Bolt Plan needs to be included with the obtaining of the pre-fabricated, pre-engineered building. Don’t put it off to the last minute, if you do, the cost will bite you hard. This paperwork comes into play in securing a local building permit and giving the building foundation specialist the proper specifications to pour an acceptable foundation. Utilization of a third organization to create these forms can cost you a lot of money.

    Preferred Groups of Steel Buildings

    Pre-engineered steel structure systems are promoted with a broad array of choices in today’s world. Two popular steel structure treatments include the hot-rolled wide flange beam and open-web steel joist concepts. Just why are they so popular?

    In the building field industry, the hot-rolled wide flange beam approach is widely familiar. Any number of roof configurations and structural loads can be formed with this building process. A multitude of shape or sizes can be accomplished by using the beams, making building choices virtually unlimited.

    The specifications of the structure can be realized by deciding on one of the two subsets workable with the hot-rolled wide flange beam scheme. One of the choices features a continuous-beam. This is comprised of three singular-supported beams. This beam system is preferred over continuous beam as it enjoys greater quality, vertical deflections as well as greater bending allowances. There is some metal framework dependability combined with temperature pressure complications by choosing this process.

    Another satisfactory metal beam design is the cantilevered metal beam configuration. If designed and installed appropriately using cantilevered beam steel framing method can be very successful. It is vital to obtain accurate joint engineering for this configuration to come about. Steel beam fastenings turn into jointed devices and no bending movements are visible.

    Open-web steel joist technique is lower in cost and consists of dependable technical evolution. This system uses steel joists that are open-web that brace a steel tier, they are upheld by joist girders or steel beams. Steel design software then shapes the open-web joists, which are otherwise known as bar joists. Superior strength-to-weight percentages are obtained in this process consisting of joists that are open-webbed because high strength metal is used. Open-web design also economizes space by allowing most conduit, piping, and ductwork establishment to be smoothly fitted. Steel roofs require framing that need to be reinforced. Similarly, distributed loads make the joist system an ideal choice.

    Due to the unsteadiness of open-webbed joists, support must be placed during erection of the metal structure. After support is applied and the pre-engineered roof tier situated, the total structure will stand firm. The steel deck combined with perimeter steel columns fashion the upper level rooftop diaphragm. This approach is excellent for steel building buyers who stipulate a less slanted pre-engineered roof since steeper inclines in this configuration demand major attention to the engineering aspect. Open-web is very attractive and economical in regards to layouts with spans up to 50 ft. Joist girders are sought-after for buildings that constitute greater spans and pre-engineered steel structures with huge spaces that need to be contained within the steel building. There is some bracing required for stability in this framework structure together with support from tubular columns or wide-flange beams.

    Quonset Huts vs. Rigid Frame Pre-Engineered Steel Buildings

    Before selecting a particular type of pre-engineered steel building framework you should analyze the types available. Commercial and agricultural caliber pre-engineered steel buildings come in two fundamental designs; arch and rigid frame.

    Arch style steel structures were formerly called Quonset huts. The sides and roof of the steel building were developed by the use of a sequence of interlocking metal ribs allowing the hut to take on its unique shape. Arch style was considered ideal for; storage structures, single and multi-vehicle garages. The curved roof huts are also welcomed among folks capable enough to erect their own building. When compared with more traditional methods the erection methods for the arch structures are fairly easy. They arrive with an economical, final square footage price tag. However, installing windows and doors can be difficult, as arch steel buildings can only accommodate doors and windows in the end walls and not the sides of the structures. The clearance internally becomes less as you walk away from the core of the structure to the sides.

    Because a vast variety of projects can be adapted to a rigid frame structure, this building grows increasingly popular. With a rigid frame all-steel structure with the correct height there is room for a second floor or a mezzanine. Commercial quality steel skeleton structural framework implementation and also flat steel sections for both the walls and roof makes it a desired style for construction. Installing windows and doors are easier than in the arch style. Although requiring more equipment and experienced assemblers as opposed to arch shape pre-engineered steel buildings, rigid frame structures are easier to put together. With a substantial frame system, future expansion is possible.

    Don’t buy a steel structure unless you are convinced you have chosen the correct style to execute your plan. No money should exchange hands until you have made the proper choice and completed all the preliminary work. The pros and cons of the two building styles should be thoroughly researched before you sign any papers or hand over any monies.

    Regardless of the style of building you decide building permits need to be acquired. Regulations pertinent for your job-site pertaining to your pre-engineered steel structure will vary depending on where you are building. Applicable wind and snow loads, earthquake action counteraction, and other requirements need to be adhered to. Zoning rules, water drainage conditions, foundation work and community impact are additional items to think about when your building is in the design phase. A creditable steel structure producer or provider can rig the design to meet or exceed any building ordinance issues. But you still need to obtain the proper permits before designing even commences.

    Both structures can accommodate a cellar, but it is up to you to lay the cement foundation for such an undertaking which will add to the cost of your overall project. No building inspector will approve an arch style or rigid frame style building with a dirt floor cellar.

    Paint Finishes for Pre-Fabricated Steel Buildings

    Premium quality steel finishes today are very attractive. Producers together with consumers in the modern day are looking for durable finishes that will not wash out, crack or peel for a number of years. Shielding roofs from moisture and blocking out pollutants are a prime consideration. Darker coatings, such as blue and red, can be ruined by ultraviolet light so in the southern climates, a good fading resistance covering needs to be applied.

    Zinc and aluminum are accepted for their anti-erosive properties for roofs. As with galvanized premium-quality steel, using zinc covering counts on a certain quantity of it dissolving off while the underlying steel is unharmed. The deeper the layer of zinc applied the better protection for the roof. Galvanizing also contributes towards guarding against the elements. Any of the hot-dip category of galvanized roof components, lasts a minimum of 5 years and will need to be reapplied.

    Aluminum-zinc’s finish is evident in the long-term life of the paint. The chemical action of zinc, combined with the defensive barriers of aluminum creates a long-lasting finish. One common composition is Galvalume®. The product was introduced by Bethlehem Steel at the beginning of the 1970’s and consists of 43.5% zinc, 55% aluminum, and 1.5% silicon.

    Both zinc and aluminum are made fast with the steel in a continuous hot-dip coating method. This process is referred to as Galfan. The ratio is nineteen to one of zinc to aluminum. Since it typically will not break-up or flake, this procedure is great for field flexing in conjunction with the structure of panels. Placing aluminum covering works as a substantial barrier thanks to the actions of aluminum oxide.

    Aluminum-zinc finishes offers great steel protection for a number of decades. The zinc-aluminum covered roofing is infinitely more popular now for the galvanized roofs. People in the industry agree that the majority of these steel roofs should last 30 years plus before any substantial repairs are needed.

    The old way of using oil (which made the roofing sheets greasy and hard to manage) has been replaced by Galvalume see-through pieces. The see-through coating removed the need to lubricate the panels with oil. Protecting against discoloration and marring, this transparent adhesive finish is set-up to rub off gradually over time without chipping or crumbling.

    Rust decomposition of steel roofing can be found at the field-cut corners and are something to watch out for. Pre-engineered steel roofing that comes from the factory trimmed and completed is recommended. Aluminum and zinc coverings, to thwart galvanic processes, should not be in open proximity with unprotected steel. A shielding area should be applied. Steer clear of touching against wood decking as this can be damaging.

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