Importance of Maintanance free essay sample

Maintenance of air conditioning is important to prevent health and safety issues and keep the air clean and prevent break downs. Heating, ventilating, or air conditioning units for repairs entail significant costs, so it is important to avoid future expenses. Older air conditioners may still be able to offer years of relatively efficient use. However, making older air conditioner last requires performing proper operation and maintenance. Air conditioning maintenance facts HVAC system failures are caused but common dirt and dust buildup caused by neglect. With both the indoor and outdoor components out of every day sight it is easy to forget to regularly service air conditioning system performance. If the filter is not cleaned at regular intervals it may become partially clogged with lint and dirt. Operating the system without a filter allows the lint and dirt that is normally trapped by the filter to accumulate on the cooling coil of the air conditioner. We will write a custom essay sample on Importance of Maintanance or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page This will lead to a loss of air volume, possible equipment damage and an expensive cleaning process. That why proper maintenance of air conditioning system required. Preventive Maintenance Preventative maintenance is essential in reducing equipment failures, corrosion and expensive repairs. Preventative maintenance programs can help reduce energy usage and save you money. Followings are packaged air conditioning system preventive maintenance procedures. (a) Air-side maintenance 1. Change filters time between filter changes depends on the type of filters, their dust-holding capacity, and the amount of dust in the air. A change interval of from 3 to 6 months will be the normal range. . Check all portions of the unit through which air flows for cleanliness and for evidence of standing water or biological growth every 6 months. Clean as required, and repair any leaks or other uncontrolled sources of water. 3. If there is evidence of biological growth, clean thoroughly and disinfect. If the condensate tray or drain does not drain completely, modify as necessary to ensure that it does. 4. Test operation of any motorized dampers clean, lubricate, adju st linkages, or repair as needed. 5. Check operation of gravity dampers; clean, lubricate, or repair as needed annually. (b) Cooling section maintenance 1. Check the cooling coil and its condensate tray and drain clean as necessary. Ensure that condensate drains completely from the tray, the drain is not blocked, and there is no evidence of biological growth. 2. If there is evidence of biological growth, clean thoroughly and disinfect. If the condensate tray or drain does not drain completely, modify as necessary to ensure that it does. (c) Gas-fired heating section maintenance . Inspect, calibrate, repair, and test fuel burners, including induced draft fan. 2. Check operation of the flue gas venting system to ensure it is not leaking, and that flue gases are not recirculating to any ventilation air intakes. (d) Hot water heating coil maintenance 1. Check coil to ensure it is clean; as required. (e) Electric resistance heating element maintenance 1. Check element to ensure it is clean; clean as required Routine Mainte nance People often think  routine air conditioning maintenance  isn’t necessary. The average person mistakenly thinks that spending money when the unit is operating properly is unnecessary, but this couldn’t be further from the truth. Followings are packaged unit routine maintenance. Three Monthly A. Supply Air Fan-Check fan and bearings for overheating, noise and excessive vibration. Check belts for wear. Adjust tension as necessary. Check flexible duct connections. Check all guards are securely mounted. B. Electric Motor-Check bearings for overheating. Check motor and drive for overheating, noise and excessive vibration. Check condition of cable, terminal box and isolator. C. Air Filters- Check condition of filter medium, frame and for any air bypassing the filter. Check the operation of the manometer. Record reading. Wash washable filters. Yearly (Y) A. Casing- Check casing for breakdown of insulation. Report any deterioration. Check for corrosion or breakdown of the paint surface. Report any deterioration. B. Supply Air Fan- Lubricate bearings as required. Check fan mountings are secure. Clean the fan impellers, casings and all surfaces where dust can accumulate. On stopping and starting, check flexible connections are not overstressed due to fan movement. C. Electric Motor- Check air passages to the motor are clear and clean of dust. D. Cooling/Heating Coil- Check and clean coil. Clean condensate tray. Check condensate tray for free drainage and flush through with a high pressure hose. E. Dampers- Check all blades are free to rotate and seal well in the closed position. Check all linkages are in sound condition. Lubricate as required and all parts for corrosion and general deterioration.

Tale Of 2 Cities, Justice Vs Injustice Essays - Philosophy Of Law

Tale Of 2 Cities, Justice Vs Injustice Essays - Philosophy Of Law Tale Of 2 Cities, Justice Vs Injustice Justice VS Injustice Justice versus injustice, a battle fought since the time of man. Dickens' most valuable message in A Tale of Two Cities is that justice will always triumph over injustice. Justice and injustice play a big part in the book. In Darnay's many trials he has each time gotten away from his prosecutors because of help from friends and family. In his first trial his uncle, the Marquis, tries to imprison him for treason, but with the help of Carton he is let free. The second trial was a bit more complex, he is captured by the DeFarges, who don't plan on giving him a fair trial. They wanted to do him a great injustice by putting him to death for a law they had made up. The persuasive Dr. Menette reasoned with the jury, so that they would let him off. Of course it is not always this easy. It was very rare in those days that someone would be let off. The jury never usually took more than a few seconds to decide if the accused shall be put to death or not. Jail was no longer a matter after the revolution. The guillotine was saving them a great deal of time. People went to jail for only a little while, the trial was short and death even shorter. The third trial of Darnay not filled with much justice. He was released from jail and not long after, he got picked up again and back to jail he went, where this trial went quickly and he was sentenced to death. Even with this injustice that was given to Darnay, an even stronger justice was handed to him by a friend. Sydney Carton literally gave him life. The day before Charles was to be sent to the guillotine Sydney exchanged places with him, since they looked so much alike nobody could tell the difference. I don't think his messages apply much in today's world. In today's society things like that are not done. Cases could take years just to get to the court and the trial could even last years. People today get away with murder, robberies, and other federal offences. You can't always have justice, it won't always triumph over injustice. A person can't possibly think it is right when a young child gets murdered and the killer can't be convicted. But things like those happen in the world we live in today.

Taxation Essay Example | Topics and Well Written Essays - 2000 words - 2

Taxation - Essay Example Taxes are generally enforced on the profits or income of the companies and individuals. There are many types of taxes, the common ones being the income tax (levied on income) and the sales tax (levied on sales). Another type of tax is the Capital Gains Tax which would be discussed throughout the paper. According to Burman (1999), a Capital Gains tax is the one that is levied on the Capital Gains of a company or any individual.1 Capital Gains refer to the profit that is earned due to the sale of a non-inventory asset which was bought at a fairly low price. These Gains may be earned due to the sale of assets like the stocks, the bonds and property etc. For example, if a person Mr. Edward Cullen buys some shares worth  £2,500 n sells them for  £12,500 then he makes capital gains worth  £10,000. (12,500-2,500) Campbell (1977) argues that Capital Gains have a lot of strategic importance2. This is because according to him, the business income alone does not prove to be sufficient for the motivation of investors. His study (1977) also shows that the investment in the US and other countries like France, Britain, and Germany has improved over the years due to the increase in the enthusiasm towards the Capital Gains3. However, the introduction of the Capital Gains tax is something that discourages companies and individuals. This is because the incidence of the tax means that the companies no longer enjoy the relatively newer and higher profits that they previously had. As a consequence, they may get discouraged by the tax and may try to sell the asset for a price that is lower than the price that is chargeable. Ultimately the Capital Gains earned by the companies and individuals may decrease and so will the eagerness towards investment through the sale of the non inventory assets. But all of th is depends on the respective criterion of the government policies for the charging of the person and the

Paraphrase for Discussion Essay Example | Topics and Well Written Essays - 500 words - 5

Paraphrase for Discussion - Essay Example In the case where multiple tubes are placed in a staggered pattern, just as in the experiment, each additional row progressively creates more turbulence on the other proceeding rows. Thus, this increase in turbulence leads to an increase in heat transfer for each tube rows. A keen look at the rate of increase in heat transfer from one row to another will reveal a decreasing trend with more decrease realized in those rows farthest from the first row of the heat exchangers. This is attributable to the fact that all the flow in the in the first row of heat exchangers is at first laminar before being converted into turbulent. On the other hand, the subsequent rows function as a turbulence generating grid, which therefore increases the turbulence in the entire heat exchanger. Still, for each additional row encountered, a larger percentage of the flow hitting a particular row is already turbulent before the hit leading to a release of just a small of percentage of the flow for conversion to turbulent flow. For instance, if 60% of laminar flow is converted to turbulent for each row that the flow encounters, the returns will be diminishing. This implies that for the first row, 60% of the flow will be turbulent whereas for the second and third rows only 78% and 84% respectively will be converted. Finally, the other factor that affects the heat transfer coefficient is the difference in temperature between the surface of the element and air. Since the heat transfer coefficient varies inversely with the difference in temperature (see equation 5), this implies that transfer coefficient for a given heat transfer increases as the temperature difference decreases. The second experiment was conducted to examine the effect of heat transfer as a function of location on a cylinder. A cylindrical probe was used to measure the heat transfer as a function of angle. The measurements were taken for uniform flow in an air tunnel. A

Rationale of the Stability and Growth Pact Given the Maastricht Treaty Essay

Rationale of the Stability and Growth Pact Given the Maastricht Treaty Criteria and its Advantages and Disadvanatges - Essay Example These monetary advantages augment in relation to volume of trade and with the intensity of economic integration. As for the cost of the monetary union, it emanates from the savings in loss of the exchange rate as a fine-tuning variable to soothe the aggregate demand. (Quere et al 2010:390).Further, Exchange rate movements are liable to be a basis of asymmetric shocks and Mundells approach found the monetary union as a mode to condense asymmetric shocks and enhance insurance against them (Quere et al 2010:390). As per Mundells, elimination of Transaction costs will be the direct gains whereas price transparency will be the indirect gain. Many empirical studies have shown that there will be many gains from a monetary union and one of the main benefits will be the elimination of exchange rate transaction’s costs as there will be reduction in the size of price discrimination between national markets. (Llirjani 2006:73). According to Taylor (2005), transaction costs will include sa vings in currency conversion charges , reduction in bank commissions , charges and delays linked with cross-border payments by banks. As per an EU study , the elimination of transaction costs involving conversion of one currency into another is likely to enhance the GDP of the nations concerned by an aggregate of 0.4% for the EU as a whole per annum. (Macdonald 1999:201). Single monetary union will help to attain lower transaction costs as there will be no commission on foreign exchange transactions and there will be an elimination of costs of hedging the exchange rate risk. Under single monetary union, all member nations will enjoy lower interest rates. (Grauwe 2007:78). Many of the analysis of costs and benefits of Europe’s common currency is footed upon the theory of optimum currency areas . According to this concept, the benefits that accrue by sharing a common currency across nations’ frontiers include more uniform prices (price parity), greater certainty for inve stors , lower transactions costs and increased competition.(Carbaugh 2011 :307). A single monetary union will offer more advantages to exporters as it will put a full stop to domestic currency volatility and a diminution of peripheral currency volatility, which would facilitate exporters to visualise prospect markets with larger conviction. This will let loose a larger possibility for expansion of economy for participants of the monetary union. For instance ,in the recent years , Germany experienced economic development which is footed on vibrant corporate investments and export growth in the export sector(Herr & Kazandziska 2011:194) The chief advantage connected with a monetary union is that there will be welfare advantages due to better prospects or from less uncertainty for companies to maximise their revenues as future returns will be less risky. (Llirjani 2006:73).Further, less uncertainty will also fetch financial stability among member nations. For instance ,it is interestin g to observe that Spain, Italy and France attained 100%, 100%, and 68% respectively of their prior-EMU window variances that were greater than the post-EUM variation. (Mafi-Kreft & Sobel 2006). According to Balwin, Skudelny and Taglioni (2005), due to single

Reflective Essay on Acutely ill Patient Mrs Smith

Reflective Essay on Acutely ill Patient Mrs Smith This essay will be a reflective essay focussing on a critical incident that took place whilst being at practice placement earlier in the year. A critical incident is defined as a learning technique that breaks an event down into its main components for the purpose of reflective analysis (Hoystonard, and Simpson, 2004) The essay will give a critical analysis of an event with an acutely ill adult and will use Gibbs model of reflection (1988) to do so. For the purpose of this essay, the patient will be referred to as Mrs Smith. The reflective model I have chosen to use is Gibbs model of reflection (1988). Gibbs model of reflection incorporates the following: description what happened?, feelings what were you feeling?, evaluation what was good or bad about the experience?, analysis what sense can be made of the situation?, conclusion what else could you have done?, and an action plan if the situation arises again what would you do?. The model will be applied to the essay to facilitate critical thought, relating theory to practice where the model allows. This incident occurred in the middle of my 10 week placement on the ward. My reason for using this critical incident is because of the impact that it had on me. I did not expect to see my mentor in a situation which she did not appear to be able to cope with, principally through lack of communication. Mrs Smith is a 46 year old lady suffering from acute myeloid leukaemia (AML). In order to provide treatment for this disease, it was decided that a Hickman line would be the most appropriate type of access for the patient, so this procedure was performed in theatre under sterile conditions. Mrs Smith was well enough to go home just a few hours after the procedure but started to feel unwell the following morning. She was experiencing extreme pain at the wound site so returned to hospital. When Mrs Smith returned to the ward it was clear this event was serious as her neck and chest were very red and inflamed looking and she was showing all the signs and symptoms of a severe infection, i.e. temperature of 38+C, heart rate greater than 90 beats per minute, respiratory rate greater than 20 breaths per minute and white blood cell count greater than 12,000. These combined symptoms are known as the Systemic Inflammatory Response Syndrome. This, in conjunction with a confirmed infection is kn own as Sepsis. My mentor and I immediately began the process of managing the infection, keeping Mrs Smith stable and preventing further deterioration in her condition. Although we managed to prevent Mrs Smith from progressing to septic shock, I felt the management of the situation could have been handled better by my mentor, enabling me to provide better care. This is the issue which I would like to reflect on. My thoughts and feelings towards this event were initially fear ,as I had not dealt with such a seriously ill patient before and I was worried that my mentor would expect more from me than I was capable of giving. I felt under pressure as things had to be done quickly and I did not want my mentor to think I was not capable in a critical situation. I also did not want the patient to feel that I was not able, and that she was not in safe hands. Durbin (2004) has said that critically ill patients may experience many unpleasant and frightening events, so the use of reassuring mannerisms and honest communication improves patient comfort. My mentor started to become flustered and was not staying calm which was what was needed in this situation. I felt that procedures were being rushed and not done as well as they could have been owing to the pressure of the situation. My mentor was trying to do everything herself and not communicating with either myself, the patient or other staff members, causing uncertainty and confusion. Houston (2009) states that keeping calm under pressure will enable you to make good decisions, have a better judgement, and be able to deal with patients and their families better. I was trying to think and plan ahead for Mrs Smiths care but knew I was not achieving this because of the lack of communication from my mentor. I wanted to ask my mentor to calm down as it was not helping the situation, and I imagined that it was making the patient feel worse and more anxious seeing this lack of control from the nursing staff who were supposed to be helping her. Mrs Smith just needed to be reassured and kept calm during this initial crucial hour, but I could see that we had not achieved this and she looked very worried. McCabe (2003) states that patient-centred communication is vital to encourage and support both nurse and patient in a critical situation and Radcliffe (2006) is a firm advocate of improving communication with patients . As blood cultures and urine samples were taken and the administering of antibiotics began, the patient eventually stabilised and vital signs began to improve which was a great relief as we both now felt more in control of the situation. It was not until then that my mentor began to deliver better care and I started to plan ahead for what would be needed next. Gillie and Thorman (2008) state that having a positive attitude will let you be more in control of a critical situation, and that being positive shows you have the strength to stand up to a negative situation. I did not go into this event with a positive attitude as I had never experienced this before and initially just felt panicked and under pressure. However, in future I will always have a positive attitude when going into a new and difficult situation as it will have a greater effect and better outcome for all involved. Mrs Smith was now being managed for sepsis and my mentor had removed the source of infection which was proven to be the Hickman line, and inserted a urinary catheter to monitor Mrs Smiths urinary output as she had not passed urine at all that day. She was given IV fluids to maintain her circulating volume and I continued to monitor her vital signs and assess Mrs Smiths mental state. The antibiotic therapy should have been started earlier, but owing to my mentor not contacting the doctor quickly enough, this delayed the patient being stabilised quicker. If my mentor had remained calmer then she would have been more focussed on what was a priority. Prioritising what has to be done first, is an essential skill nurses need in order to provide a good level of nursing care, Castledine (2002). I felt this was a negative aspect of my experience as I knew myself that we had not prioritised and that antibiotic therapy should be started shortly after diagnosis of sepsis to prevent further deter ioration. However, positive aspects of the experience were that I learned that I was calm under pressure and was able to reassure the patient when I did not think I could. Another positive aspect was that my mentor and I managed to control the sepsis before the patient went into septic shock. She was however, already showing signs of severe sepsis as her kidney function had altered. On looking back and analysing the situation, it was a worthwhile exercise as it was a good learning curve for me on how not to act in a critical situation. I did not want to be like my mentor who was flustered and panicking and therefore not thinking properly, as I saw how it affected the situation. Because of this critical incident occurring, I learnt valuable skills that I will use in other situations, should they arise. Skills such as, staying calm and not panicking, communicating with the patient to reassure them they will be ok and communicating with relatives as they need to know what is going on as well. Acting quickly under pressure, but not too quickly which may cause mistakes to happen. Also, very importantly, to ask for help when required. If this situation was to happen again, I feel I am more prepared and would not have the initial feeling of worry and fear, as I know what to expect and am capable of carrying out what may be asked of me. On making sense of the situation, I realise I am more confident now not only in this situation but other tasks that are asked of me in the practice placement. This incident began as what should have been a straightforward case of managing sepsis, but soon turned into a worrying case of possible severe sepsis and losing control of this situation all down to panic, lack of forward planning and lack of communication. Robson and Daniels (2008) discuss how the Sepsis Six Bundle could have been used in this situation, as it has been introduced in 2007 for cases exactly like this, reducing mortality rates by 25%. Six simple steps to be followed within the first hour and severe sepsis will be avoided. Mitchell et al (2004) looks at the changes made to the patients care if sepsis is managed well and how one of the roles of the nurse in this situation must be to keep the patient reassured as much as possible. Reassurance would have kept Mrs Smith from becoming more panicked and would have made the event slightly easier for myself and my mentor. Once the initial hour had passed and the management of the sepsis was under control, Mrs Smith became more stable and was relieved to have her pain under control. After a few days on a course of antibiotics, Mrs Smiths infection soon cleared. On reflection, I now know what was good and bad about this event and what to take from it. If a situation like this were to occur again, the first thing to apply would be a positive attitude leading to a more controlled and calmer management of a critical incident. Being more in control of the situation makes forward planning easier to do and better nursing care can be achieved. The patient would benefit greatly and a lot more quickly than a rushed, uncontrolled environment. Fewer mistakes would occur and simple tasks would not be missed as the nurse involved would be more focussed. Proper communication is a huge factor in how any incident turns out. Anderson (2009) states that breakdown in communication can cause negative outcomes, and warns about poor communication, especially with patients and their families. Lack of communication can lead to lack of trust and mean that any future communications could well be disregarded. Egan (2007) states that the face and body are very communicative and in this situation the patient was picking up my mentors uncertainty and panic eve n through her non-verbal communication, making her worried and ill at ease. McCabe and Timmons (2006) stress how important communication is in establishing rapport with the patient, again building up trust. Coulehan et al (2001) also note how communication, using empathy helps to establish a relationship with both patient and relatives. In a future situation I would ensure proper communication with all involved especially the patient, to put them at ease and reassure them that the staff knows what they are doing. Now that I have had this experience and learnt from it, I have gained a lot more confidence in how to better manage a patient in a similar situation, not just a critical incident. Being more confident lets the patient know that you are in control and can put their mind at ease, Penzien and Rains (2007). I would know not to show fear, as there was not anything to fear and the last thing the patient needed was to feel worried she was not in safe hands.

Comparing Irvings Rip Van Winkle and The Devil and Tom Walker :: Comparison Compare Contrast Essays

An Analysis of Irving's Rip Van Winkle and The Devil and Tom Walker Washington Irving was one of the first American writers to write any kind of fantasy story or writing. At first he tried to pass his stories as real life accounts found in a dead mans dresser. The start of one states that it is real and has been deemed so by collages and some museums. After he saw how much people liked his stories he published all of them in " The Sketch Book of Godfred Crayon, Gent.". This Collection became famous overnight. His stories were also successful in England and Europe. Most of his stories have many similarities and differences. "Rip VanWinkle" and " The Devil and Tom Walker" are two good examples. To start of with there all around feeling and theme. Now one can tell "Rip VanWinkle" is set in a fantasy world right of the bat by the way Irving sort of zooms in on the scene, first he tells of the mountains and then the town and down till he's in the room with Tom and his wife. In "The Devil and Tom Walker" the author gives some info on the situation and the charters and then just jumps into the story. In both of the stories you get the feeling of something supernatural is going to happen. Also in both they take place in remote areas. Next we have the husband wife relationship in both cases. Now Rip was sort of a say nothing do nothing when it came to his house and wife. His wife would bad mouth him and yell at him, but Rip wouldn't do much anyway. He would just go off and sleep. Now Tom and his wife on the other hand would battle to the death. Tom would yell and scream and so would his wife. Tom would hide money and so would his wife. In both of the stories they wife husband relationship would be a turning point in both cases. And last the way they both got what they wanted. In Rips case he wanted to get rid of his wife and his jobs. He goes to the forest to escape from his wives verbal abuse. He gets his wish by getting a new life

Investigate how PH affects the ability of raw meat to absorb water – Plan

I am planning an experiment to investigate how PH affects the ability of raw meat to absorb water. * Independent Variable The independent variable for this experiment is the PH of the solution the steak is marinated in. I will achieve a range of different PH values by using buffers set at PH 1, 3, 5, 7, 9. I predict that there will be an optimum PH where the steak will absorb the most water. The amount of water absorbed by the raw meat will increase as you increase the PH up to the optimum and then decrease the PH as the PH increases past the optimum. * Dependent Variable The dependent variable for this experiment is the amount of water absorbed by the diced steak by process of osmosis. I will record this by recording the mass before and the mass after marination. From these results I can calculate the percentage change in mass so that I can compare the different results with each other. I will calculate the percentage change by : Change x 100 Original * Controlled Variables The main control variables for this experiment are : Each of the 5 buffer solutions should have the same volume of 50ml and the same concentration. If one beaker had more than another then there would be more solution to act on the meat therefore tenderising it more. This could alter the end percentage change in mass. The mass of the diced steak before marination needs to be controlled. A larger mass could potentially absorb and store more water. I will try to get as similar masses as possible to avoid any differences in weight. Instead of calculating the difference in mass, I will calculate percentage change in mass to account for any small differences in mass. Also a constant surface area of the diced steak is important, otherwise there would be a larger area for the solution to act on causing more tenderisation therefore altering the overall results. The temperature at which the meat is marinated at would need to remain constant. At a higher temperature, molecules are moving faster therefore osmosis is more likely to occur. The experiment will be conducted at room temperature, although a more scientific method would be the use of an incubator. I will conduct the experiment in the same place so that each test is experiencing the same temperature changes. The time allowed for marination, each steak should be in the buffer solution for 12 hours all getting the same length of time otherwise a longer time could provide an opportunity for more water to be absorbed. Drying of the steak pieces, dab twice on each side. If some are dabbed more than the other it would alter the end percentage change in mass. * Method ? Divide the diced steak into five equally sized piles. ? Using electronic scales weigh each pile to make the masses as similar as possible. Record the masses. ? Add 50ml of buffer solution PH1 to a beaker and repeat the process for the other buffer solutions. ? Put one set of diced steak into each beaker. ? Leave the 5 beakers for 12hours allowing the raw meat to marinate. ? Remove the dices from the solution and pat dry before weighing. ? Record the mass of each pile and calculate the percentage change in mass by using formula : Change x 100 Original ? Repeat the experiment 3 times to ensure an accurate set of results. ? Plot a graph of PH against percentage change in mass.

architectural designs that wouldnt have been possible without the use of computers The WritePass Journal

Write an essay on buildings/architectural designs that wouldnt have been possible without the use of computers Introduction Write an essay on buildings/architectural designs that wouldnt have been possible without the use of computers ). The use of computers in architectural design has made it possible for architects to make use of complex and multifaceted design information. This is possible as a result of the development of computer software which has made it possible to come up with complex designs before the actual process of construction. Computer-aided architectural design programs have resulted in more accurate designs and comprehensive records when it comes to building designs. Ever since 1960, computer aided design programs (CAD) were used by architects in coming up with architectural designs. However, this software lacked some tools which architects considered relevant during their architectural projects. This therefore resulted in the development of a distinct class of software specifically designed for use in architectural design: CAAD. There are various architectural designs which may not have been possible without the use of computers. Examples of architectural designs Without going into explicit detail on the various architectural designs which have utilized computer software to be generated, a known example is the Burj Dubai project whereby the Burj Dubai tower is an architectural design which was created with the use of a computer aided architectural design software program. The Sliding House, Reflection of a Mineral, Byron Bay house, Hangar Prefab, Swiss Charlet and the Marinette Residence are some examples of architectural designs which were generated as a result of the use of computer aided architectural design (CAAD) (Bruinessen, Hopman, DeNucci Oers 2011). The London Gherkin is also an example of a building with a complex design structure which required the utilization of computer aided software to assist in the architectural design. The London Gherkin is known to have an unusual design structure which could not have been designed without the use of computers. It is classified among the 9 most mathematically fascinating buildings in the world. The building is round with a narrow top and a bulge at the centre. In addition to the use of CAAD, parametric modeling was also used to design the building (Josie 2011). The Zaha Hadid building in Hong Kong is also an example of a building with a complex design structure which could not have been created without the aid of a computer software design program. The computer aided design allowed the architects to come up with various design shapes without first settling on the identified shape for the building. Despite the fact that this was a tiring task, it would not have been possible to achieve without the use of computers in the design process (design museum + British council 2007). Another important example of a building with a complex design structure is the Frank Gehrys Fisher center in NYC. The design of this building would not have been possible without the use of computer aided architectural design. This building was named after the architect who designed it that is; Frank Gehry. This architect is known to have indulged in various architectural designs ranging from small to larger buildings. Despite the fact that he had a lot of experience when it came to architectural design, he could not have designed the identified building without the aid of a computer. The building’s style was deconstructive post modern. In addition to this, the design ensured that the ground floor was actually wrapped around sides of his older house. The wrapping extended the house in that it reached the streets (Archinomy 2010). The examples of designs provided above are known to have utilized complex blueprints which could not have been generated accurately without the use of computer programs. New and even more complex designs as still being generated with the help of different computer programs and CAD drafting techniques such as; AutoCAD. The design process of a building requires that the provided architectural drawing be up to date and accurate so as to enable the physical characteristics of the buildings being constructed to be easily defined. The use of computer technology for the production of the sophisticated architectural designs is considered to be more advanced compared to the use of traditional methods since it ensures that the user is provided with   input tools which ensure that the design process is streamlined, drafted and documented for an easier understanding. This makes it easier and more achievable to come up with complex architectural designs without necessarily doing all the design works in one day. How the Work Compares With Other Practices of Design Computer generated architectural designs make use of computer aided design and drafting (CADD) which is software that provides architectural graphics in the form of vectors. The graphics are later utilized in depicting objects and at the same time producing a raster graphic of an object which is to be designed. Comparing this to traditional or other forms of designs, computer aided architectural designs are considered to be more accurate and complex. In addition to this, the designs which are generated through the use of computer software programs can be postponed and cleared at a future date since it requires the architect to save the work and re open it when ready to continue with the design. Other practices of design do not require the use of sophisticated software to come up with the final design product. The reason behind this is that the various design practices involved are not considered to be that complex when compared with the design of a house (Shaffie 2011). The Impact and Effect of the Use of Computers in the Development of Building and Architectural Designs The use of computers in the architectural sectors has reflected both negative and positive impacts when it comes to building and architectural designs. Taking into consideration the positive impact that the use of computers has brought within this sector, it is evident that the use of software has made it possible for architects to come up with more accurate designs. This comes about as a result of the fact that the computer aided software programs which are used in architectural design makes use of vector coordinates to show building measurements which are considered to be more accurate compared to if the architectural design was being designed manually without the use of a computer but through the use of a ruler and a pencil (Bruinessen, Hopman, DeNucci Oers 2011). In addition to the accuracy, the use of computers has ensured that the designs developed in architecture are produced faster in comparison to if the computers had not been utilized. One of the advantages associated to computers is speed. Therefore any activity carried out through the use of computers is done within a limited time period compared to if a computer had not been used to carried out the activity. Every factor which has an advantage is also associated with various disadvantages. This is no exception when it comes to architectural design and the use of computers. For instance, for an architect to come up with a building’s design through the use of computer aided software programs, the architect must to be computer literate. This means that the architect has to spend more time and money to become computer literate so as to be able to make use of the computer software program as required. (Bruinessen, Hopman, DeNucci Oers 2011). Events and External Ideas Have Been Incorporated In the Development of These Architectural Designs There are four major events which marked the early development of computer aided architectural design. The first event is the studies which were carried out by Clark and Sounder which formed the foundation of the layout which was computer aided. This event took place in the years 1963 and 1964. The second event which took place in 1965 involved the manipulation and representation of buildings which were graphical in nature as objects. The third event involved the act of laying down foundations which were used for methods of design. In 1964, this view was considered important to computers use in the architectural design. The final event involved the architectural machine idea. This event took place in the year 1972 within the field of robotics. The machine was meant to be intelligent enough in that it could be involved in any activities of design whilst cooperating with the architect involved in a dialogue (Shaffie 2011). Computer Aided Architectural Design Impact on the Society Concepts which are available in the applications of CAAD are known to have an impact on the creativity and innovation capabilities of the people who use them. Therefore to the society CAAD creates an opportunity for researchers, students as well as professionals, who show an interest in the identified concepts of CAAD as this assists them in building their knowledge on these concepts as they are going to be involved in debate on the various lessons from the past concerning architectural design as well as the present and future impacts on the CAAD innovation. In addition to the reason above, computer aided architectural design has also played a major societal role of ensuring that there is proper urban planning as well as city and regional planning. This plays a part in reducing the disadvantage of congestion and any security or safety risk which may be associated to it (Bruinessen, Hopman, DeNucci Oers 2011). Comparison to Earlier Designs Taking into consideration various architectural designs which have been produced in the architectural field these days, it is evident that the designs produced are more complex compared to the earlier designs. Other than complexity, the designs produced through the utilization of computers are of a higher quality compared to the designs which were earlier produced without the use of computers. This has resulted in various advantages and disadvantages setting in such as: improved safety. The use of computers in architectural design has ensured that there is an improved level of human safety since the chances of buildings collapsing have also been reduced as a result of better design procedures. Other than the advantages, there are also disadvantages associated with the use of computers in architectural design for instance; the fact that architects have to be educated on how to use computers and software is a major impediment. This means spending more time and funds to be able to make use of CAAD. More time spent on design is also a disadvantage associated with the use of computers in today’s design in comparison to earlier design. The reason behind this is that most of the architectural designs which are delivered through the use of computers are complex in nature which means architects have to pay more attention to ensure that the output design presented is accurate as desired. Influence of Computer Aided Architectural Design on the Community Computer Aided architectural design has greatly influenced the community in that it has promoted the existing levels of interaction among the individuals of the community in that community members identify the designs they require and the architects involved ensure that the designs are produced through the help of computers. In addition to this, it has also promoted the existing level of communication which exists in a community in that as architects meet to discuss the various building designs, they take into consideration and the various views that the members of the community may have provided with regards to the type of buildings that they want to have in their neighbourhood (Bruinessen, Hopman,   DeNucci Oers 2011). Impact of Building to Environmental Sustainability Green building has gained momentum as the impact of environmental sustainability has continued to rise in the community. The buildings in which people live in, work in and play in are meant to offer protection from the extremes of nature which may have a negative effect on our health and the surrounding environment in various ways. Green building, also referred to as sustainable buildings have ensured that people are living within constructions considered to be healthy and efficient when it comes to the utilized resources. Buildings ensure sustainability depending on the construction materials used as they ensure efficiency of materials such as energy and water and at the same time ensuring that the risks posed when it comes to health are also limited (Bruinessen, Hopman, DeNucci Oers 2011) Conclusion In summary, the use of computers within the architectural field has proved to be advantageous since it has resulted in the development of architectural designs which are complex in nature. However, architects are required to be familiar with the use of computers to be able to make use of the computer aided architectural software to come up with the complex designs which is a disadvantage. References Archinomy, 2010. Viewed from archinomy.com/case-studies/1931/frank-owen-gehry Bruinessen, T, Hopman, H, DeNucci, T, Oers, B 2011, Generating More Valid Designs during Design Exploration. (Cover story),  Journal Of Ship Production Design, 27, 4, pp. 153-161, Academic Search Premier, EBSCOhost, viewed 24 April 2012. Design museum + British council, 2007, â€Å"zaha Hadid architecture and design†. Viewed from http://designmuseum.org/design/zaha-hadid Desinon, E, 2009,  the History of Building Design.  Viewed April 23, 2012 from  desinon.com/index.php?option=com_contentview=articleid=50:the-history-of-building-designcatid=35:about-us Josie, W, 2011. Trip base‘9 most mathematically interesting building in the world†. Viewed from tripbase.com/blog/9-most-mathematically-interesting-buildings-in-the-world/ Shaffie, H, 2011. ‘The Roots of computer aided architectural form generation’.   Viewed in April 24, 2012, from http://faculty.ksu.edu.sa/hs/Research/COMPUTER%20APPLICATIONS%20IN%20ARCHITECTURE%20-%20FORM%20GENERATION%20TOOLS.pdf Tai, L, 2012,   LANDSCAPE JOURNAL. Assessing the Impact of Computer Use on Landscape Architecture Professional Practice: Efficiency, Effectiveness, and Design Creativity. Viewed April 23, 2012 from  http://lj.uwpress.org/content/22/2/113.short

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