Monday, January 27, 2020

Prefabricated Buildings: Advantages and Disadvantages

Prefabricated Buildings: Advantages and Disadvantages There are many different types of construction  buildings  such as residential, commercial or industrial.  Industrial  buildings  are mainly used for manufacture warehousing, offices, showrooms, sport, retailing, agricultural and horticultural  buildings, recreation leisure, swimming pool enclosures as well as many other aspects. If your business is in need of extra space; whether it is for storage or to conduct aspects of business, an  industrial  building, such as a warehouse may be the answer that your business is looking for. Industrial  buildings, such as the ones named above are available from many different building contractor teams and they are often available as both a permanent or temporary business solution. You may need the use of an  industrial  building as a way of housing certain equipment and supplies as well as providing you with a space that can be dedicated for you to undertake aspects of business. Depending on what you need the  industrial  building for depends on what type of building you have constructed. If you need the extra space as a place where people can do business then a more permanent structure may be in order. Also if you are planning on using your  industrial  building as an added work space then it is important that you ensure the building is insulated and that your employees are protected. Many of the  industrial  buildings  that are open to you to use for your business provide you with a comfortable working environment and in many cases reduce energy through the quality and reliability which can be achieved with high performance insulation solutions. Also by choosing a reliable building contractor team to install your  industrial  building you will be getting a workspace which creates a clean environment for all of your production, storage, material handling and infrastructure needs. Many building contractor teams will design your  industrial  buildings  using cladding and lining and will incorporate windows and doors that in some cases are double glazed as well as being tough when it comes to security. You will be able to decide what features are and arent included on your  industrial  building, meaning from the start you will know exactly what you are buying. When you are deciding on including an  industrial  building into your workplace you need to ensure that the execution of the project is successful. One way of making sure that this happens is by conducting effective planning as this is essential to ensure that you get what you want from your  industrial  building. During your planning for your  industrial  building you should consider aspects such as the environmental impact of the job, the success of the scheduling, budgeting and site safety as well as the availability of materials, logistics and the inconvenience to the public caused by construction delays, preparing tender documents, etc. If you are hoping to gain the extra help from the use of an  industrial  building then it is highly important that you gain the help of a professional building contractor team to construct your industrial  building. Identify the Differences of the Prefabricated and Pre Engineered Buildings. Prefabricated building is a type of building that consists that of several factory built components or units that are assembled on site to complete the unit. Its Prefabricated / Pre-engineered components away from the site and bringing them to site and assembling. These methods reduce construction time at the site, facilitate better quality control and reduce labour component which involves in the site. Prefabricated Buildings. The term prefabricated may refer to buildings built in components (e.g. panels), modules (modular homes) or transportable sections (manufactured homes), and may also be used to refer to mobile homes, i.e. houses on wheels. Although similar in nature, the methods and design of the three can vary wildly. There are two-level home plans, as well as custom home plans. There are also large differences in the construction types. Mobile and manufactured houses are constructed in accordance with the HUD building codes in the U.S. while modular houses are constructed in accordance with the IBC (International Building Code). Modular homes are homes that are created in sections, and then transported to the home site for construction and installation. These are typically installed and treated like a regular house, for financing, appraisal and construction purposes, and are usually the most expensive of the three. Although the sections of the house are prefabricated, the sections, or modules, are put together at the construction much like a typical home. Manufactured and mobile houses are rated as personal property and depreciate over time. Manufactured homes refer to homes that are built onto steel beams, and are transported in complete sections to the home site, where they are assembled. Mobile homes are homes built on wheels, which are able to be moved from place to place. Mobile homes and manufactured homes can be placed in mobile home parks, and manufactured homes can also be placed on private land, providing the land is appropriately zoned for manufactured homes. As far as getting set up, prefabricated buildings can be erected rather quickly some in as little as 45 days. Companies can start concentrating on making money rather than concerning themselves with when their building will be finished. Prefabricated buildings can be constructed at almost half the cost of a traditional building. For a basic structure such as a portable office or classroom, expect to pay about $35 per square foot. More complex prefabricated buildings medical clinics and retail facilities will cost you close to $200 per square foot. While not exactly a drop in the bucket, its still more affordable than traditional construction, particularly if the prefabricated buildings are only going to be used for a fixed period of time. For those companies who look beyond price and convenience, prefabricated buildings do have a few downsides. The most obvious is the look and feel. At their most basic, prefabricated buildings are meant to be quick, affordable solutions so they arent the prettiest structures in the world. Elevated entrances and shorter ceilings dont really add to the dà ©cor, but if you are willing to spend a bit more, you can upgrade your prefabricated buildings to have more stylish designs. The types of materials used for prefabricated buildings are usually aluminum,  wood, steel, fiberglass, and concrete. The steel used in these structures is specially treated to resist corrosion, rust, and fire. The use of plastics and other composite materials offer a less expensive option for surface materials without sacrificing durability or quality. The construction of the components of the prefabricated building is accomplished inside the factory where the plumbing and electrical systems are tested before they are exported to their destinations. The wall finishes and  countertops  are also installed inside the factory. Although customization is available, prefabrication businesses are able to buy much of their material in bulk and thus are able to pass on the savings to their buyers.   Pre-engineered Buildings In  structural engineering, a  pre-engineered building  (PEB) is designed by a manufacturer to be fabricated using a pre-determined inventory of raw materials and manufacturing methods that can efficiently satisfy a wide range of structural and aesthetic design requirements. Within some geographic industry sectors these buildings are also called Pre-Engineered Metal Buildings (PEMB) or, as is becoming increasingly common due to the reduced amount of pre-engineering involved in custom computer aided designs, simply, Engineered Metal Buildings (EMB). Historically, the primary framing structure of a pre-engineered building is an assembly of I shaped members, often referred as  I beams. In pre-engineered buildings, the I beams used are usually formed by welding together steel plates to form the I section. The I beams are then field-assembled (e.g. bolted connections) to form the entire frame of the pre-engineered building. Some manufacturers taper the framing members (varying in web depth) according to the local loading effects. Larger plate dimensions are used in areas of higher load effects. Other forms of primary framing can include trusses, mill sections rather than 3-plate welded, castellated beams, etc. The choice of economic form can vary depending on factors such as local capabilities (e.g. manufacturing, transportation, construction) and variations in material vs. labour costs. Typically, primary frames are 2D type frames (i.e. may be analyzed using 2-Dimensional techniques). Advances in computer aided design technology, materials and manufacturing capabilities have assisted a growth in alternate forms of Pre-engineered building such as the Tension fabric building  and more sophisticated analysis (e.g. 3-Dimensional) as is required by some building codes. Cold formed Z and C-shaped members may be used as secondary structural elements to fasten and support the external cladding. Roll-formed profiled steel sheet, wood, tensioned fabric, precast concrete, masonry block, glass curtain wall or other materials may be used for the external cladding of the building. In order to accurately design a pre-engineered building, engineers consider the clear span between bearing points, bay spacing, roof slope, live loads, dead loads, collateral loads, wind uplift, deflection criteria, internal crane system and maximum practical size and weight of fabricated members. Historically, pre-engineered building manufacturers have developed pre-calculated tables for different structural elements in order to allow designers to select the most efficient I beams size for their projects. However, the table selection procedures are becoming rare with the evolution in computer aided custom designs. While pre-engineered buildings can be adapted to suit a wide variety of structural applications, the greatest economy will be realized when utilizing standard details. An efficiently designed pre-engineered building can be lighter than the conventional steel buildings by up to 30%. Lighter weight equates to less steel and a potential price savings in structural framework. Applications of Pre Engineered Buildings (PEB) Warehouses Factories Workshops Offices Gas stations Vehicle parking sheds Showrooms Aircraft hangars Metro stations Schools Recreational Indoor stadium roofs Outdoor stadium canopies Bridges Railway platform shelters Advantages of Pre Engineered Buildings Reduced construction time: Buildings are typically delivered in just a few weeks after approval of drawings. Foundation and anchor bolts are cast parallel with finished, ready for the site bolting. Our study shows that in India the use of PEB will reduce total construction time of the project by at least 50%. This also allows faster occupancy and earlier realization of revenue. Lower cost: Due to the systems approach, there is a significant saving in design, manufacturing and on site erection cost. The secondary members and cladding nest together reducing transportation cost. Flexibility of expansion: Buildings can be easily expanded in length by adding additional bays. Also expansion in width and height is possible by pre designing for future expansion. Large clear spans: Buildings can be supplied to around 80M clear spans. Quality control: As buildings are manufactured completely in the factory under controlled conditions the quality is assured. Low maintenance: Buildings are supplied with high quality paint systems for cladding and steel to suit ambient conditions at the site, which results in long durability and low maintenance coats. Energy efficient roofing and wall systems:   Buildings can be supplied with polyurethane insulated panels or fiberglass blankets insulation to achieve required U values. Architectural versatility:   Building can be supplied with various types of fascias, canopies, and curved eaves and are designed to receive pre cast concrete wall panels, curtain walls, block walls and other wall systems. Single source responsibility: As the complete building package is supplied by a single vendor, compatibility of all the building components and accessories is assured. This is one of the major benefits of the pre engineered building systems. Investigate various types of materials, which can be used for the factory and residential Buildings in this project. Materials used for pre-fabricated buildings Prefabricated building materials are used for buildings that are manufactured off site and shipped later to assemble at the final location. Some of the commonly used prefabricated building materials are aluminum, steel, wood, fiberglass and concrete. Prefabricated metal buildings use galvanized steel and galvalume as the chief materials for building. Galvalume is a form of steel coated with aluminum-zinc. This is to protect the building against corrosion, rust and fire. It also provides a sturdy and protective covering to the prefabricated building. Almost all the components of a metal building such as beams, frames, columns, walls and roofs, are made of steel. Most prefabricated military buildings use steel or aluminum frames. Synthetic materials are used for the walls and roofs. To provide enhanced security, a combination of both metal and cloth materials are used. Plastic flooring materials can be quickly assembled and are very durable. Prefabricated building materials used for small prefabricated buildings are steel, wood, fiberglass, plastic or aluminum materials. These materials are cheaper than regular brick and concrete buildings. Materials like steel, fiberglass, wood and aluminum are used as prefabricated building materials for sports buildings. These materials provide flexibility and are preferred for making structures and accessories like stands and seats for stadium and gyms. For making low cost houses, prefabricated materials like straw bale, Ferro cement, Calcium silicate products, composites and other cheap wood based materials are currently being used. Calcium silicate bricks are strong and durable. Ferro cement consists of a cement matrix reinforced with a mesh of closely-spaced iron rods or wires. In this type of construction, the techniques used are simple and quick. Using prefabricated materials one can make durable, water and fire resistant and cheap prefabricated buildings. Most of the prefabricated building materials are eco-friendly and affordable. Steel Aluminum Wood Fiberglass Materials used for pre-engineered buildings Steel / Stainless steel Galvalume roof sheeting Stainless steel capped fasteners Silicon zed polyester baked-on enamel paint Various types of materials Steel For prefabricated buildings, steel and galvalume materials are used. Galvalume is a form of steel coated with aluminum-zinc. This is to protect the building against corrosion, rust and fire. It also provides a sturdy and protective covering to the prefabricated building. Most of components are built in steel in prefabrication buildings such as beams, frames, columns, walls and roofs, are made of steel. Aluminum Most prefabricated buildings use aluminum as a material for frames. It can be widow frames or door frames. Because of its light weight it is very useful for prefabrication building production. Wood These materials provide flexibility and are preferred for making structures and accessories like stands and seats for stadium and gyms. And wood use for prefabricated buildings for some of the components. It is not a most probably used material. This material is used for making of law cost prefabricated homes. Fiberglass The fiberglass material is used for the partition walls in the buildings. And its light weight is useful for constructing prefabricated buildings. And for doors and window frames, doors fiberglass is used. Advantages of Per Fabricated Buildings Prefabricated homes can be ordered and transported straight to your block.  You can organize the stumping and plumbing and electrical connections or have it pre ordered into the overall package. Prefabricated homes cause less damage to the environment than conventional brick homes.  They can be mass produced or fabricated to your design and are quick to build so it will save you rent as brick homes tend to be dragged out with different contractors being involved. They will cost a lot less, than a double brick home by far.  They can be insulated to reduce the cost of heating and cooling. Not only that they are environmentally friendly. The real  beauty  of one of these is if you have a real bad neighbor you can up and take your home and chattels to another town without any problems. As it saves time It saves money and labour Enables money and standardization. Enhances aesthetic appeal. It is lightweight and easy to transport. Easy to installing and maintaining: i.e. rust, fire, and pest retardant and insulated. It is re-locatable and eco-friendly. The disadvantages of prefabricated homes The cost of your prefabricated home will depend on the site your home will be put on.  Site costs will vary from block to block. If you are doing the stumping etc yourself then that is not a problem.  If they need to factor that into the price they will need to make varying changes to prices due to level and position of the block where the prefabricated home will be built. Your choice of prefabricated home will be affected by your particular budget.  Low cost designs may suit those on a tight budget.  Then if you can afford the better styles, then price may not affect your decision. The better high quality designs are made for the higher income families and could be out of your price range. Prefabricated homes are improving like other forms of buildings and the main advantage of a prefabricated home is the potential to reduce the harmful impact on our environment.  This is one of the worlds biggest concerns these days. Materials used for pre-engineered buildings Steel / Stainless steel Galvalume roof sheeting Stainless steel capped fasteners Silicon zed polyester baked-on enamel paint The Advantages of pre-engineered buildings Fast erection Low cost if choosing manufacturers standard package/inventory and no add on Open clear span Can be easily expanded to grow with needs The disadvantages of pre-engineered buildings Marginal design, material and construction Not energy efficient Higher lifetime maintenance Not durable for long term use, generally last 10 to 15 years May not include all construction/fit-up needed for the building to serve the intended purpose. No secondary roof membrane Usually no internal finished walls Pre-engineered steel fabric buildings vs. Conventional steel buildings Steel Fabric Structures Conventional Steel Buildings Overall Price Price per square foot is about 30% lower than conventional steel More expensive than a pre-engineered steel fabric building Maintenance Costs The building and fabric cover is virtually maintenance free. The fabric will not attract or hold dirt contaminants and proves to be self-cleaning Shingling or painting may be necessary to maintain the outside of the building Interior Clear span throughout building does not interfere with any operations Columns or posts may need to be in place to maintain structural integrity of the building Corrosion Our buildings are made with hot dipped galvanized steel and are corrosion resistant Due to the exterior of the building being exposed in all weather conditions, corrosion may become an issue Temperature Control Our membrane fabric cover had non-conductive qualities keeping buildings cooler in the summer and warmer in the winter Steel buildings are conductive of heat, creating a virtual oven in hot weather conditions Operational Costs Lower costs for lighting, heat, and A/C due to non-conductive translucent cover Operational costs are higher for lighting, heat, and A/C Future Expansions Our buildings are easily expandable and reloadable. Can be used as a temporary and permanent structure. Steel buildings are permanent and cannot be relocated. Expansion will be timely and costly, if possible. Foundation Foundation can be as little as Footings at truss and end column base plate locations. Foundation requirements are typically a fraction of that of similar conventional buildings. Extensive, heavy foundation required Installation and delivery Depending on the size of the Structure installation takes an average of 7-10 days. Delivery after order takes about 6-12 weeks. Delivery of material averages From 20 to 26 weeks. Installation Time is more than double that of a steel fabric structure. Noise Sound absorbing covers keep building quiet even during adverse weather conditions Buildings are loud during rain and hail storms creating unpleasant working conditions Condensation Our membrane fabric design allows natural light to filter through the building while keeping out moisture and condensation Condensation is a known problem in steel buildings and can damage the building and its contents Structure weight Pre engineered buildings are on the average 30% lighter because of the efficient use of steel. Primary framing members are tapered built up section. With the large depths in areas of higher stress. Secondary members are light weight roll formed Z or C shaped members. Primary steel members are selected hot rolled T sections. Which are, in many segments of the members heavier than what is actually required by design? Members have constant cross section regardless of the varying magnitude of the local stresses  along the member length Secondary members are selected from standard hot rolled sections which are much heavier. Design Quick and efficient: since PEBs are mainly formed by standard sections and connections design, time is significantly reduced. Basic design based on international design codes are used over and over. Specialized computer analysis design programs optimize material required. Drafting is also computerized using standard detail that minimizes the use of project custom details. Design shop detail sketches and erection drawings are supplied free of cost by the manufacturer. Approval drawing is usually prepared within in 2 weeks. PEB designers design and detail PEB buildings almost every day of the year resulting in improving the quality of designs every time they work Each conventional steel structure is designed from scratch with fewer design aids available to the engineer. Substantial engineering and detailing work is required from the very basic is required by the consultant with fewer design aids. Extensive amount of consultant time is devoted to the alterations that have to be done. As each project is a new project engineers need more time to develop the designs and details of the unique structure. Erection simplicity Since the connection of compounds is standard the learning curve of erection for each subsequent project is faster. Periodic free of charge erection is provided at the site by the manufacturer. The connections are normally complicated and differ from project to project resulting tin increasing the time for erection of the buildings. There has to be separate allocation of labour for the purpose of erection. Erection cost and time Both costs and time of erection are accurately known based upon extensive experience with similar buildings. The erection process is faster and much easier with very less requirement for equipment. Typically, conventional steel buildings are 20% more expensive than PEB in most of the cases, the erection costs and time are not estimated accurately. Erection process is slow and extensive field labors required. Heavy equipment is also needed. Architecture Outstanding architectural design can be achieved at low cost using standard architectural details and interfaces. Special architectural design and features must be developed for each project which often requires research and thus resulting in higher cost. Sourcing and coordination Building is supplied complete with all accessories including erection for a single ONE STOP SOURCE. Many sources of supply are there so it becomes difficult to co ordinate and handle the things. Building accessories Designed to fit the system with standardized and inter changeable parts. Including pre designed flashing and trims. Building accessories are mass produced for economy and are available with the building. Every project requires different and special design for accessories and special sourcing for each item. Flashing and trims must be uniquely designed and fabricated. Future expansions All project records are safely and orderly kept in electronic format which makes it easy for the owner to obtain a copy of his building record at any time. Future expansion is very easy and simple. It would be difficult to obtain project records after a long period of time. It is required to contact more than one number of parties. Future expansion is most tedious and more costly. Safety and responsibility Single source of responsibility is there because the entire job is being done by one supplier. Multiple responsibilities can result in question of who is responsible when the components do not fit in properly, insufficient material is supplied or parts fail to perform particularly at the supplier/contractor interface. Performance All components have been specified and designed specially to act together as a system for maximum efficiency, precise fir and peak performance in the field. Experience with similar buildings, in actual field conditions worldwide, has resulted in design improvements over time, which allows dependable prediction of performance. Components are custom designed for a specific application on a specific job. Design and detailing errors are possible when assembling the diverse components into unique buildings. Each building design is unique, so predication, of how components will perform together is uncertain. Materials which have performed well in some climates may not do well in other conditions. Explain the appropriateness, advantages and disadvantages of using prefabricated buildings in the project The advantages of having prefabricated buildings in this project Prefabricated buildings can be ordered and transported straight to your block.  Client can organize the stumping and plumbing and electrical connections or have it pre ordered into the overall package. Prefabricated buildings cause less damage to the environment than conventional brick buildings.  They can be mass produced or fabricated to the design and are quick to build so it will save you rent as brick buildings tend to be dragged out with different contractors being involved. They will cost a lot less, than a double brick building by far.  They can be insulated to reduce the cost of heating and cooling. Not only that they are environmentally friendly. The disadvantages of having prefabricated buildings in this project The cost of your prefabricated building will depend on the site your home will be put on.  Site costs will vary from block to block. If you are doing the stumping etc yourself then that is not a problem.  If they need to factor that into the price they will need to make varying changes to prices due to level and position of the block where the prefabricated home will be built. The choice of prefabricated building will be affected by your particular budget.  Low cost designs may suit those on a tight budget.  Then if you can afford the better styles, then price may not affect your decision. Prefabricated homes are improving like other forms of buildings and the main advantage of a prefabricated home is the potential to reduce the harmful impact on our environment.  This is one of the worlds biggest concerns these days. The advantages of having a prefabricated steel building Steel is a remarkable material that has been steadily increasing in popularity for construction. It is 66% recyclable, which offers both environmental and financial benefits, and is especially strong and durable. There are a number of options available for building with steel, and one of the most innovative of those options are pre-engineered steel buildings. They are planned, designed and almost pre-built at the factory itself. They just have to be assembled after they reach the building site. They are pre-drilled, pre-cut and pre-welded and just need to be bolted together. This can often be done quickly and with a minimum of professional assistance, and sometimes with none at all. They are quicker, easier and almost 50% less expensive than conventional buildings. Besides, they can be designed as per exact specifications. Elements of the site, other buildings in the area, proposed purpose, and other elements can be taken into consideration. This is the reason for the increasing use of pre-engineered steel buildings for schools, offices, houses, stores, churches and recreational places. Pre-engineered steel buildings, which have no support columns, are known as clear-span buildings. Though they maximize floor space, they cannot be expanded in width. On the other hand, multi-span buildings have unlimited scope for expansion and are thus are often a popular choice for offices and residential buildings. Pre-engineered steel homes have also become very popular in recent years. They offer affordability and flexibility, among many other benefits. There are two kinds of pre-engineered steel buildings: modular and manufactured homes. The only difference is that manufactured homes need not be built as per the building codes, unlike modular homes. For this reason, modular homes are often considered to be more sturdy and reliable. Whether youre creating a manufactured home, modular home, or even a new office, pre-engineered steel buildings offer a vast array of affordable and durable options. Specification for a Pre-fabricated building Panels for a Pre-fabricated building < Curriculum | Definition and Analysis Curriculum | Definition and Analysis CURRICULUM Definition of Curriculum â€Å"A curriculum is more than a list of topics to be covered by an educational programme, for which the more commonly accepted word is a ‘syllabus. A curriculum is first of all a policy statement about a piece of education, and secondly an indication as to the ways in which that policy is to be realised through a programme of action. In practice, though, a curriculum is more than even this; it is useful to think of it as being much wider. As a working definition of a curriculum I would say that it is the sum of all the activities, experiences and learning opportunities for which an institution (such as the Society) or a teacher (such as a faculty member) takes responsibility either deliberately or by default. This includes in such a broad concept of curriculum the formal and the informal, the overt and the covert, the recognised and the overlooked, the intentional and the unintentional. A curriculum is determined as much by what is not offered, and what has been rejected, a s it is by positive actions. And very importantly the curriculum that actually happens that is what is realised in practice includes informal contact between teachers and learners as well as between the learners themselves, and this has been termed ‘the hidden curriculum which often has as much influence on what is learnt as the formal curriculum that is written down as a set of intentions. And it includes what you decide to do on the spur of the moment. So in fact it is useful to think of there being three faces to a curriculum: the curriculum on paper; the curriculum in action; and the curriculum that participants actually learn.† Coles C (2003) Product, Process or Praxis. That is the question. Which curriculum model relates to my own teaching? Firstly I should identify the main theories that are associated with the curriculum and the learning process, as I understand them. The main ones that come to mind are: n Curriculum as product n Curriculum as process n Curriculum as praxis n Curriculum as context There are other theories but the above seem to have the express the basics of the curriculum and how we learn, each has its own supporters. Curriculum as Product What is the dictionary definition of product? Product, (noun) thing that which is produced by effort or labour, or that produced as a result of an act or process, from the Latin prodoceo, to lead or bring forth. What is the relevance to the curriculum? The process of learning is likened to that of producing a product, or something tangible, Bobbitt wrote The central theory [of curriculum] is simple. Human life, however varied, consists in the performance of specific activities. Education that prepares for life is one that prepares definitely and adequately for these specific activities. However numerous and diverse they may be for any social class they can be discovered. This requires only that one go out into the world of affairs and discover the particulars of which their affairs consist. These will show the abilities, attitudes, habits, appreciations and forms of knowledge that men need. These will be the objectives of the curriculum. They will be numerous, definite and particularized. The curriculum will then be that series of experiences which children and youth must have by way of obtaining those objectives. F Bobbitt (1918) We start by knowing nothing; we learn and apply our learning to our actions. It is like a manufacturing process in the way that it progresses, starting with the idea and through a series of logical step and sequences we arrive at the product or outcome. Step 1: Diagnosis of need Step 2: Formulation of objectives Step 3: Selection of content Step 4: Organization of content Step 5: Selection of learning experiences Step 6: Organization of learning experiences Step 7: Determination of what to evaluate and of the ways and means of doing it.(Taba 1962) With the Product model it makes for more precise assessment, provides structure and content, makes teachers more aware of differing types and levels, avoids vague general statements, everything is clearly laid out, learners know what is required of them to achieve, and teachers to be able to direct the learners in the correct pathway. It is very much a teacher orientated model, where the learner is very much a secondary entity; it is about how the information is given. The product model is linked closely with behaviourism also called learning perspectives, where the physical action is behaviour. Studies in this area have been undertaken by Skinner and Gestalt, following upon the work undertaken by Pavlov. Curriculum as a Process The focus of this model is on the teaching activities and the teachers role, with the learners activities having the biggest impact. The focus is on interactions. This can mean that attention shifts from teaching to learning. This is where learning takes place. The emphasis in this model is â€Å"the means† rather than â€Å"the end†. In the process model the curriculum is not a physical thing but rather the interaction between the teacher, the learner and the knowledge. The curriculum is what actually happens in the classroom, and what we do to prepare and evaluate. Each element is constantly interacting. It is an active process, and links back to Aristotle. The focus is on learning and the fact that the learner has a voice in the way the lesson proceeds and the nature of the learning activities. There is an emphasis on the active roles of the teachers and the learners, with the emphasis being on learning rather than teaching. There is a more rounded approach in this model as it looks at learning for life rather than specific functions. L Stenhouse (1975) likened it to: A curriculum is an attempt to communicate the essential principles and features of an educational proposal in such a form that it is open to critical scrutiny and capable of effective translation into practice. Curriculum as Praxis â€Å"Curriculum as praxis is, in many respects, a development of the process model. While the process model is driven by general principles and places an emphasis on judgment and meaning making, it does not make explicit statements about the interests it serves. It may, for example, be used in such a way that does not make continual reference to collective human well-being and to the emancipation of the human spirit. The praxis model of curriculum theory and practice brings these to the centre of the process and makes an explicit commitment to emancipation. Thus action is not simply informed, it is also committed. It is praxis.† (Wikipedia) Not very clear to the layperson. What do we/I understand by the term â€Å"Praxis†. The dictionary definition reads: 1. Practical application or exercise of a branch of learning. 2. Habitual or established practice; custom. (The Free Dictionary) Going one step further:  · translating an idea into action; a hard theory to put into practice; differences between theory and praxis of communism (The Free Dictionary) In short, thinking about what I do, and the way that I do it, not because I am told to do it, because I have my own values about the way it should be done, this influences the way that I do things. This model takes into account the experiences of both the learner and the teacher, and through discussion and negotiations, recognises there may be problems. There may be common ground but this will only come about through mutual self-respect. That is, the curriculum is not simply a set of plans to be implemented, but rather is constituted through an active process in which planning, acting and evaluating are all reciprocally related and integrated into the process (Grundy 1987: 115) Curriculum as Content Broadly speaking the curriculum is the same as the syllabus, and the topics that are to be taught. This is the content in which the curriculum is set. It is the examinations that shape the curriculum, the setting within society, the demands and aspirations of industry. The relationship between learner and teacher, the organisation of classes the tracking of progress. Back to the opening question, which model influences the curriculum in my own teaching? It would have to be the Product model, with occasional use of the Process model. I am taking learners who have little or no knowledge. I am teaching them the application, and they are in turn applying this knowledge to meet required assessment criteria. There are clear aims and objectives. Learning is structured, by me to meet the specified outcomes. There are no general statements of intent. The learners know from the outset what is required of them to achieve the goal at the end; I am there to facilitate their learning. Is this model too rigid? Would I change it? The curriculum lends itself to this model. The final assessment is a formal examination to assess the learners ability to perform specific tasks. These tasks are those that would be required to be undertaken within the work-place. The learner, upon completion of the course and having successfully completed the summative assessment, will be competent to take their place within the workplace, able to meet the demands of industry. They started with nothing and have achieved their goal. What is a meant by or understood by the term curriculum? The dictionary definition reads as follows: 1. All the courses of study offered by an educational institution. 2. A group of related courses, often in a special field of study: e.g. the engineering curriculum. (Wikipedia) If that is so what is a syllabus? * An outline or a summary of the main points of a text, lecture, or course of study. (Wikipedia) It is not very clear, to either a professional or a layperson. We have the educational curricula, simplified, that which is taught in educational establishments, in short the syllabus. Then we have the total curriculum including the informal curriculum, this could be regarded as the sum total of the subjects that the learner is learning. We then have the hidden curriculum, â€Å"the hidden curriculum is taught by the school, not by any teachersomething is coming across to the pupils which may never be spoken in the English lesson or prayed about in assembly. They are picking-up an approach to living and an attitude to learning.† Meighan (1981). And so it goes on, the planned curriculum, the received curriculum, the formal curriculum, the informal curriculum, Kelly A V, (2004) According to Alan Rogers (2002), methods and content together make up the curriculum. There is relatively very little material related to curriculum in adult or lifelong education; most of the work on curriculum has been done in schools, Griffins (1983) concentrates on philosophical concepts of the adult curriculum and tends to neglect more practical aspects of the curriculum. Curriculum is seen as a body of knowledge, the content of education to which the students need to be exposed. It is not what you say, but how you say it! The Lifelong Learning Sector My Curriculum area I am employed within the adult/lifelong learning sector, supporting learners in ICT. This is over a variety of disciplines and software applications, Secretarial disciplines using Microsoft applications, text and word processing, using MS Word, presentations using MS PowerPoint, data management using MS Access and financial and mathematical work using MS Excel. There are a number of qualifications and routes for the learner to follow. I am also supporting learners through computerised accountancy and payroll applications, using Sage to progress within this sector of industry. The majority of learners that I come into contact with are in the process of up-skilling, looking at new career opportunities and openings, looking at updating their own personal skills, and adding to their CV. The use of IT within the workplace has doubled to 77%, with an estimated 22m4 using technology at work. ICT is now a part of everyday life, and no matter what position you are employed in there will be the need to have some knowledge of what a computer can do, how they are used. However there has been a 50% reduction in the number of adults taking up funded ICT provision since 2004/5, largely as a result of shorter courses being displaced by longer qualification-bearing provision. The complexity of the current system of different learning providers, funding routes and qualification outcomes make it harder to access the skills that adults need to get on line.1 Government does not make it easy for adults to access the training that they need, as detailed above. The number who lack basic skills has reduced, there is still a significant percentage who lack the basic skills to access ICT, not only skills but financial support. Digital Life Skills are essential to all adults as they will benefit from: Social Inclusion Equality to access Information and Services Employability Business Productivity Learning and Skills This is a need identified by Government as an area that needs addressing: n an estimated 22m people use technology at work 77% of the working population. (ICT User Skills Report) n a lack of basic ICT skills will be a disadvantage in both finding and securing a new job?(ICT User Skills Report) Are there other factors that affect adult learners? Industry has an impact on what the learners need to study, what is required as a benchmark for employability. It is our job to ensure that we meet the criteria that is laid down to meet the needs of industry, whilst ensuring that we meet the syllabus required by the Examining Board, occasionally the two do not agree. The Learning and Skills Council (LSC) is responsible for funding all adult skills provision. Since 2004/05, although the overall budget has increased, there has been a 23% decline in enrolments on LSC funded programmes as funding has been focused on longer, qualification-bearing courses. (ICT User Skills Report) A large proportion of this decline has been in ICT programmes. Data provided by the LSC Data Service suggests that over the same period there has been a 54% reduction in enrolments on ICT courses to just under 700,000 in 2007/08, and a 50% reduction in learners to 485,000 learners in 2007/08. (ICT User Skills report) There is the legacy of what adults did not learn in their formative years in the education system. Their lack of basic skills can affect all future learning, they may be turned off by the thought of learning in adulthood, having fears of the classroom, as they remember it. Not a pleasant experience and one not to be repeated. The prioritisation of courses leading to literacy, numeracy and full Level 2 appears to have displaced ICT provision of less than 50 hours at Entry and Level 1 in FE. The majority of this provision (75%) was accredited. Another area that affects adult learners undertaking training is that of a financial nature. Is training to expensive? Who will pay? Equipment is expensive? Is help available? Will my benefits be affected? To some, the benefits of training are outweighed by the problems of everyday living, and until these concerns are addressed they continue as they are. What is Evaluation? Evaluation is systematic determination of merit, worth, and significance of something or someone using criteria against a set of standards. Evaluation often is used to characterise and appraise subjects of interest in a wide range of human enterprises. (Wikipedia) What is Assessment? Educational assessment is the process of documenting, usually in measurable terms, knowledge, skills, attitudes and beliefs. Assessment can focus on the individual learner, the learning community (class, workshop, or other organized group of learners), the institution, or the educational system as a whole. (Wikipedia) In my role as a teacher do I assess or do I evaluate? As a reflective practitioner do I assess or evaluate? In my role in the classroom it is important that I spend my time with the learner. The learner should be the main focus of my attention. I should ensure that they are engaged in the learning process. I start out with a plan of what we will be doing (lesson plan) throughout the session, they as learners or the group, me as the teacher, what they will be doing and what I will be doing to support them. I will be engaging with learners throughout the session, advising, supporting, encouraging, and providing feedback. All the learners that I come into contact with receive formative feedback through the use of QA, tutorials, one to ones, practice examination papers and general support. They finally have summative feedback through a formal examination process. These forms of summative assessment are laid down by the qualification bodies, as they do with the syllabus that is to be studied. It is my responsibility, along with my colleagues and peers adapt the curriculum to ensure that we meet all of the criteria required. I would therefore consider that in the classroom I undertake the role of an assessor. It would be wrong to say that I am not evaluating, I consider the evaluation process to be an ongoing process. The assessment process is â€Å"here and now†, I am assessing a learners ability to undertake specific tasks, to achieve a specific goal, which is measureable, and meets the required standards as determined by outside bodies. Evaluation is undertaken as an ongoing process from the time I am advised that a class or programme of learning is to be undertaken. This process has two differing facets to it, that of QI (Quality Improvement) and QA (Quality Assurance). Do we undertake one or both of these roles? Immediate reaction is to say â€Å"yes†, but after consideration the truthful answer may be â€Å"no†. We may aspire to the former but that is all. We as teachers are more concerned with the learners and statistics, retention and achievement, s by which we are measured, and which our employers rely upon. Poor achievement and retention leads to reduced funding, a course which is not viable, and therefore it will not run! Quality assurance is the bigger picture, that which we as front line staff strive to achieve but attain infrequently, and which we rely on our managers, employers and senior staff members to take on board on our behalf. The external agencies that monitor our teaching and all aspects of all that we undertake the examining bodies, LSC, Ofsted and all Government regulatory bodies, together with our internal monitoring and recording strategies, observations, SARs, internal verifiers. Do we have the time to participate? Do we have the time to look at the bigger picture? It would be nice to be able to look at the curriculum from a number of differing prospectives, management, teacher and learners. Look at the syllabus, how does it fit into the curriculum. Are there sufficient resources available to meet the needs of learners, are they the right resources? Does the course meet the needs of industry? So many questions, we may aspire to do many things but realistically there are so many outside influences that affect the curriculum that our teaching takes priority, we think others will pick up the QI that we are not able to address. My curriculum, is there room for improvement? Is there need for change? Evidence used in the completing of this document has been taken from end of course reviews submitted by learners, past and present. Hard data in the form of registers and external examination board summative feedback, together with verbal feedback from learners past and present. Teaching ICT in the Lifelong Learning sector brings me into contact with adult learners, looking to raise their skills base through ICT, studying for pleasure, greater use of ICT within the home environment using the Internet and Email, retraining to enter or re-enter the job market. Funding issues have seen a decline within this area and the number of adult learners has dropped. Employers are aware of the need to up skill their staff, and are know taking the necessary steps to enable their staff to review their training needs. The courses that I support are fairly well subscribed to, those that run for a longer period tend to have significantly lower retention and achievement rates, even when fees are being paid. Is this due to the structure of the course and qualification, the times that the sessions are scheduled, the resources that the learners are supplied with? We offer a range of sessions to accommodate learners at different times. Location can be viewed as an issue, being out of town restricts access to a degree. Learners who are unemployed are offered assistance with transport costs. Equipment could be highlighted as a possible issue; if learners had computers/laptops in their own environment would they study there, if we were able to support them? Adults are more likely to be self motivated to complete a course of study. If they drop out what are the reasons for doing so, should we check and compile meaningful data to promote a better culture of learning. Should we look at differing learning styles, and have different approaches to make the learning process more user friendly and less regimented? The majority of the classes that I support are held in the evening, and the majority of learners work during the day time. This is the time that suits them best. However, such long hours are not conducive to the learning process. Learners become tired and make mistakes. This is not born out in the latest set of results and achievement. Are learners building themselves up for the final summative assessment, the exam? Would they be better working at home if the had access to the specialist applications? They are not able to practice in the work-place. In an ideal world all learners would have access to the necessary equipment and applications. Learners would be accommodated in the classroom or in their own location, with support at specified times. There would be a range of resources to accommodate individual learners. Formative assessment would be undertaken on a regular basis, both on a face to face basis, and using email following marked work. Summative assessments would only be undertaken in the classroom. Nothing is perfect, these are suggestions, and everything ultimately revolves around finance. Conclusion The curriculum is a constantly changing and evolving entity or process. It can be affected by many outside influences. Social, governmental and financial, to name but a few, all have an impact of the way the curriculum is evolving. We, as reflective practitioners, have a responsibility to reflect these changes in our teaching, to ensure that our learners have a rounded knowledge and well-being of the changes within our society. References AV Kelly (1999) The Curriculum, Theory and Practice, 5th Edition (Sage) Coles, C., (2003) Second Spine Course of the Spine Society of Europe Barcelona 16th 19th September 2003 Bobbitt, F. (1928) How to Make a Curriculum, Boston: (Houghton) Taba, H. (1962) Curriculum Development: Theory and practice, New York: (Harcourt Brace and World). Bloom B. S. (1956).Taxonomy of Educational Objectives, Handbook I: The Cognitive Domain. New York: David McKay Co Inc. Stenhouse, L (1975) An introduction to Curriculum Research and Development, London http://en.wikipedia.org/wiki/Curriculum_and_instruction#Curriculum_as_praxis [Accessed 09 December2009] http://www.thefreedictionary.com/praxis [Accessed 12 December 2009] Grundy, S. (1987) Curriculum: Product or Praxis, Lewes: Falmer Alan Rogers (2002) Teaching Adults 2nd Edition OUP HM Government (2009) Independent Review of ICT User Skills Report Baroness Estelle Morris 230-09-SK-b

Sunday, January 19, 2020

Business and Law Essay

1) The first thing to consider is whether there is a valid contract between Ada and Ben on purchasing Bens’ BNW car. A valid contract consists of offer, acceptance and consideration. â€Å"An offer is a definite promise or proposal made by the offeror with the serious intention of being bound by such promise or proposal, if it is accepted by the offeree.† In this case, Ada’s letter on requesting Ben to sell his BNW car for $80,000 should compose an offer. It is because the terms are in a definite form capable of being accepted in identical terms. â€Å"An agreement comes into existence after the offeree unconditionally accepts the offer†. On the second day, Ben accepted Ada’s offer and an agreement has been made as Ben replied Ada â€Å"Sure† by voicemail. As Ada did not clearly indicate the method of acceptance, the instantaneous voicemail message left by Ben is counted as a valid method. However, as the postal rule does not apply to situati ons where the acceptance of an offer is communicated by any instantaneous methods, the contract is complete only when the acceptance is received by the offeror in such methods. In Entores Ltd v miles Far East Corp, a contract was made between the parties only when the offeree’s acceptance was received by the offeror. Therefore, as Ben used voicemail, which is also a kind of instantaneous means, as an acceptance method, a valid contract will only be made when Ada received and listened to Ben’s voicemail. So no contract was made in this stage yet. However, Ben then changed his mind and sent a letter of revocation to Ada. The significant part then appeared. Although Ben sent a voicemail message to accept Ada’s offer first, and posted a revocation letter to Ada afterwards, the letter reached Ada earlier than the voicemail. According to the general rule, the revocation of an offer becomes binding when it comes to the knowledge of the offeree and an offer can be revoked at any time before its acceptance. And at the moment Ada received Ben’s revocation letter, she still have not received Ben’s voicemail acceptance. As I analyzed before, for instantaneous methods, the contract is only complete when the acceptance received it, not based on the moment of sending. Ben’s revocation has already become effective when it reached Ada and the contract was not completed. Hence, no valid contract was made between them.

Friday, January 10, 2020

Legal Implications for Human Resources Management

Human resources are the most important resources in an organization and there is a need for human resource management to consider legal implications for every decision they make in regard to employee benefits. Today, organizations are faced with numerous challenges in sustaining a well-motivated workforce. To ensure that an organization retains the best human resources, several measures are put in place key of which is employee benefits, which is given to the top or executive employees as a motivation to ensure that the organization retains such employees. Employee benefits range from organization to organization but generally, they include short-term benefits, long-term benefits, termination benefits as well as post-retirement benefits. (Armstrong, 2002). Pay gap is one of the greatest issues that companies face with regard to employee benefits. Although the pay gaps can be explained by human capital differences, the travel patterns of different employees, there is also the other dimension of occupational segregation as well as workplace segregation, which has been found to bring disparities in regard to employee benefits. (Lowman, 2002). Pay gap can be a source of demotivation of staff as well as a leading cause of lack of unity of purpose in an organization. Whenever an organization decides to reward men differently from women this can be a source of conflicts in the organization and it is therefore, major challenge organizations are faced with today. Pay gap characterized by gender is a legal problem as it boils down to discrimination in the workplace. This has implications both for the employees involved as well as the organization given the fact that, these differences in employee benefits allotment creates a feeling of discontentment. In situations where the difference in pay is as a result of level of education or work experience, then this is understandable. However, often employee benefits have been found to be abused by human resource managers in designing rewards. (Thrope, 2000). Discrimination especially based on race, gender, nationality and color is a major issue that companies face with regard to employee benefits. It is evident that, the economic security of employees is very much dependent on other variables such as race, color and nationality something which can be seen as a major issue that companies face with regard to employee benefits. The fact that there are very many immigrant workers in the USA, has created an enabling environment whereby employers can abuse the rights of employees in regards to employee benefits without having to worry about legal implications since most immigrant workers do not have valid papers and it is therefore, not possible for such employees to take legal actions against employers even whereby there are cases of discrepancies in awarding of employee benefits. (Lowman, 2002). The other challenge facing companies with regard to employee benefits is the requirements by the law for a minimum wage rate. This is an issue in that, many companies have been forced to disregard employee benefits citing the mandatory minimum wage limit as being burdensome and being non-responsive to changing market situations. For instance, the wage limits fail to bear in mind that times are changing and competition is becoming stiff with globalization and pegging rewards on other factors other than market forces is likely to have a negative impact on employers decisions regarding to employee benefits. As a result, many employers are less willing to award employee benefits solely because they consider the minimum wage limit requirement as burdensome and exorbitant. (Armstrong, 2002). Over emphasis of pay as a form of motivation is a major issue that companies face in regards to employee benefits. Many companies offer employee benefits in terms of monetary value in total disregard of evidence showing that money is not always a motivator to every employee as there are some employees who work for different reasons other than money. The challenge companies face in this regard is to reform their employee scheme to reflect different needs for their employees. (Thrope, 2000). Finally, there is the dilemma of just how effective are employee benefits in increasing performance? Employees’ benefits as administered in many companies are meant to boost the morale of employees as the prospects of employee benefits is thought to have a positive impact on employee loyalty and commitment to duties. However, the issue arising here is the fact that, by just giving post-retirement benefits or long-term benefits as well as travel allowances, this does not automatically guarantee that employees will remain loyal and committed to the organization. To deal with the issues raised above, organizations need to work on programs, which are agreeable to both employers and employees by involving employee unions in designing of employee benefits packages. This will ensure that every interest is taken care of. Another important thing that organizations ought to do to deal with the issues above is to address human capital differences, especially those differences arising from other factors other than level of education or work experience. There is also a need for organizations to put in place strict rules and regulations as well as workplace policies to do away with any form of discrimination in the workplace, which ultimately reflects on the awarding of employee benefits. It is also important that organizations de-emphasize employee benefits as a form of motivation and opt for other types of rewards, which have little monetary connections. If the above is done, the problem of ineffectiveness of employee benefits will be dealt with and organizations will address the challenges of employee benefits. Potential future issues that organizations will encounter regarding employee benefits may include; high demand for tuition reimbursement considering the fact that due to rapid spread of information technology, new knowledge is released into the market at a fast rate, which means employees have to keep updated through employee training. Another area or potential future issue that organizations may encounter in regard to employee benefits is any new legislations especially aimed at either legalizing the immigration status of all immigrant workers or expelling the immigrant workers. (Lowman, 2002). In conclusion, it has emerged from the above discussion that, major issues that companies face with regard to employee benefits include; pay gap, gender discrimination, over emphasis of employee benefits as a form of motivation as well as lack of clarity on the effectiveness of employee benefits to employee performance. It has become evident that organizations need to de-emphasize on employee benefits as a form of motivation and in addition, there is a need for employers to deal with the problem of discrimination as well as the discrepancy in pay gap. Lastly, employers need to reposition themselves in readiness for future legislations, which may have impact on employee benefits such as legislations on immigration and minimum wage limit. References Armstrong, M. 2002. PP.110-120. Employee Reward. 3rd Ed. CIPD. Lowman, R. 2002. PP.104-109. California School of Organizational Studies Handbook of Organizational Consulting Psychology. Jossey-Bass. Thrope, R. & Homan, G. 2000. PP. 89-93. Strategic Reward System. FT. Prentice Hall. Â  

Thursday, January 2, 2020

The Colliding Dynamics of Class Structure Essay - 1721 Words

The rigidity of class structure is the culprit for the vast number of inequities in society. Power is concentrated in the hands of a small sector; leaving a few individuals to have more authority and influence, in comparison to others. The construction of class structure identifies the way groups are divided into social positions. Differences stemming from social position are further exemplified by the accessibility to valuable resources–such as wealth, education, occupation, and status. Those with distinguished command in society have access to these increasingly wide ranges of resources, which may be present in limited forms to the less powerful. Used as a device of supremacy, power is a style of control when the basis is acquiring†¦show more content†¦Virginia Woolf calls attention to her own class structure, and gradually notices herself functioning as a feminine being in the midst of a patriarchal system. Thus, gender serves to be a constraint for females œwho do not have equal opportunities to education, wealth, occupation, and status– to remain inferior to their male counterparts. On the other hand, George Orwell sees the differences in class emerging from the misuse of authority to control society for its own purposes. He considers preconceived views about individuals to be the chief reason for oppression and hatred among classes; not entirely questioning the value of societal resources. Ultimately, his observations and contemplations as a British police officer expose the validity behind his beliefs. Some time ago, Karl Marx particularly acknowledged that â€Å"the history of all hitherto existing society is the history of class struggles† (Marx and Engels). A great deal of his work is centered on economic issues, for the conflicts involving classes derive from the inconsistencies associated with capitalism. Rather than having a cohesive existence, class divisions surface because of the ways in which the means of pr oduction are organized. People enter into social relations with one other all the time, and this may shed light on the indirect modes of exploitation found throughout the social order. For the scope of his â€Å"Shooting anShow MoreRelatedRocks and Dates Geology Analysis1038 Words   |  5 Pagesstones are found along the Granite Gorge. They were formed by colliding as a result of volcanic action and the heat from that formed the igneous rock. Mountains were formed along the top of the rock. These are like basement rocks to the mountains on top of them. They are the oldest rocks in the Canyon. The rocks are located in what is called the â€Å"Inner Gorge† and there are at least another twenty-five types of rock that are in the same class. (Dehler, et al, 1999). 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