Fire Rescue Department In Malaysia Engineering Essay

In Malaysia, Fire Rescue Department or popularly known as Bomba is the fire and deliverance services bureau. The fire safety criterions must be implemented by following the ordinances in the Uniform Building By-Law ( UBBL ) 1984, National Fire Protection Association ( NFPA ) Codes and Standards and Fire Services Act 1988.2.1.1 Uniform Building By-Law ( UBBL ) 1984Uniform Building By-Law ( UBBL ) 1984 is a published papers, which is used as a needed safety criterion and besides is emphasized by the authorities. The Standing Committee recommended that life safety of the edifice residents must be considered first and it is to be achieved by giving the minimal demand sing to the assorted facets. The assorted facets refer to issue for the residents, spread of fire within the edifice or from one edifice to another one edifice and agencies of sensing and extinction of fires. In UBBL 1984, 80 per centum emphasized on life safety demand and 20 per centum are staying on the belongings protection of a edifice ( Goh, 2009 ) . Besides, the basic demands of the UBBL are equal fire protection stuffs and building system to do certain the safety of the life and belongings in the edifice during the fire. Furthermore, UBBL 1984 besides stated some fire demands sing the building design in order to minimise and diminish the hazard of fire. Automatic fire sprinkler system is mentioned in Uniform Building By-Law 1984 at Part VIII ( Fire Alarm, Fire Detection, Fire Extinguishment and Fire Fighting Access ) .2.1.2 National Fire Protection Association ( NFPA )National Fire Protection Association is an international non-profit organisation which is authorized on fire, electrical and edifice safety. The NFPA was established in 1896 and it serves as the universe ‘s prima advocator in fire bar and is an important beginning for information on fire safety ( Tharmarajan, 2007 ) . Besides that, NFPA develops, publishes, and disseminates about 300 consensus codifications and criterions which intended to minimise the effects of fire and other hazard. Actually for every edifice, procedure, service, design, and installing in society today is already affected by NFPA paperss ( National Fire Protection Association, 2009 ) . Automatic fire sprinkler is mentioned in NFPA 13 ( Standard for the Installation of Sprinkler Systems ) , NFPA 25 ( Standard for the Inspection, Testing, Maintenance of Water-Based Fire Protection System )2.1.3 Fire Services Act 1988The Fire Services Act 1988 is implemented to do necessary proviso for the effectual and efficient operation of the fire Services Department. In add-on, this act is besides for the protection of individual and belongings from fire hazards and other intents connected therewith. This Act most likely explains the responsibilities of the Fire service Department, which consists of implementing fire bar, fire safety review and fire jeopardy suspension, probe and prosecution ( Tharmarajan, 2007 ) .2.2 Types of fire sprinkler systemsFire sprinkler systems are the most of import and successful of the fire contending systems. There are five chief types of fire sprinkler system which are wet pipe, dry pipe, pre-action, re-cycling and surrogate moistures and dry pipe. The three extra types of fire sprinkler system which are tail-end surrogate, tail-end dry pipe and flood. These three systems may be combined with wet pipe and/or surrogate moisture and dry pipe sprinkler system to organize extensions. The type of sprinkler systems to be selected for the edifice will be depended on type of edifice and type of stuffs to be protected ( Hassan, 1996 ) . For illustration, a storage installation that shops extremely flammable liquids will necessitate a different sprinkler system from a shopping Centre.2.2.1 Wet pipe systemWet pipe systems are the most common fire sprinkler system that have been utilizing in the edifice. This sprinkler system is suited used in het edifices where temperatures remain above 0 and there is no hazard of the H2O in the sprinkler system stop deading ( Hassan, 1996 ) . Water is invariably maintained within the distribution piping. When a fire produced the heat, it will do the nearest sprinkler caputs to open at their operating t emperature. Water will instantly dispatch onto the fire, at the same clip the flow of H2O activates a hydraulicly operated dismay bell outside the edifice and agreements can besides be made to alarm the local Fire Brigade ( Hassan, 1996 ) . Figure 2.1 shows a typical moisture sprinkler system where the H2O supply is taken straight from the H2O chief. Figure 2.2 shows how the pipe connected the dismay valve to an dismay tam-tam and turbine. The entire figure of sprinklers that connected to an installing will be different for light jeopardy, ordinary jeopardy and high jeopardy and, depending on the fortunes. Besides that, the figure of sprinklers system fitted to each installing will change over the scope of 500 to 1000 ( Hassan, 1996 ) . When fire sprinkler systems installed in a high rise edifice, the difference in tallness between the lowest and the highest sprinkler in an installing must non be greater than 45 metres ( Hassan, 1996 ) . Distribution pipes are to be connected independently to the chief rise pipe at the floor being served and no subdivision shall widen to more than one floor, mean that each subdivision being served by a separate chief rise pipe. Figure 2.1 Figure 2.22.2.1.1 Advantages of moisture pipe sprinkler systemSimplicity and dependability systemWet pipe sprinkler systems have the fewest figure of constituents and necessitate less installing clip comparison to other systems. Due to the system ‘s simpleness, the system care may non be performed as the coveted frequence. The dependability of moisture pipe sprinkler system is of import since sprinklers may be used to standby for many old ages before they are needed ( API Group, 2003 ) .Fiscal salvagingThe installing and care disbursal for wet pipe sprinkler system are comparative low ( API Group, 2003 ) . It is because moisture pipe sprinkler systems require least sum of installing clip and besides less service clip is required.Ease of alterationThe plants to modify the moisture pipe sprinkler system include closing down the H2O supply, run outing pipes and doing changes. After so, the undermentioned work is to coerce prove the system and reconstruct it. Additional work for sensing and particular control equipment is evitable which may salvage the clip and cost ( API Group, 2003 ) .Shorter clip to mend after fireWet pipe sprinkler systems require the least sum of attempt and clip to reconstruct after a fire ( API Group, 2003 ) . In most cases, fire sprinkler is reinstated by replacing the amalgamate sprinklers and turning the H2O supply back on. For other types of sprinkler systems, it may necessitate extra attempt to reset control equipment.2.2.1.2 Disadvantages of moisture pipe sprinkler systemThe disadvantages of moisture pipe sprinkler system are that it can non be installed in an country where distribution pipes are exposed to stop deading temperatures. It is because the H2O inside the distribution pipe will go solid if exposed to stop deading temperatures.2.2.2 Dry pipe systemThis system may merely be used in the conditions that it is impossible to utilize a moisture pipe system, or jump moistures and dry type system. Dry pipe sprinkler systems are installed in countries where distribution pipes are exposed to stop deading temperatures. For illustration, dry pipe sprinkler systems will be installed at unwarmed edifices and parking garages. The system between dry pipe system and wet pipe system are different. The difference is that, wet pipe sprinkler systems contain H2O but dry pipe sprinkler systems contain tight air. The tight air is supplied by an electric air compressor, N bottles, or other beginning. In add-on, the air force per unit area inside the pipes that is about one-third to one-half times greater than the maximal H2O force per unit area. Dry pipe sprinkler systems have a valve applauder and dismay port. The map of dry pipe valve applauder is to divide between air force per unit area and H2O force per unit area at the valve interface. When a fire starts, fire release the heat causes a sprinkler caput to open and the tight air would be released. Once this happened, H2O will come in the pipe and fluxing through unfastened sprinkler onto the fire. Due to this system is apt to endure frost harm, it is of import that the pipe work should be self-draining and sprinkler caputs must be fitted above the scope pipes. The figure of sprinkler fitted to each installing shall be within the scope 125 to 500, and depends on whether or non an gas pedal has been fitted to the system ( Hassan, 1996 ) . Figure 2.3 shows how sprinkler caputs fitted above the scope pipe. Figure 2.3 ( Beginnings from Hassan, 1996 )2.2.2.1 Advantages of dry pipe sprinkler systemSuitable for stop deading temperaturesDry pipe sprinkler systems are suited to be installed in countries where distribution pipes are exposed to stop deading temperatures. For illustration, dry pipe installings include unwarmed edifices and parking garages.Suitable for H2O sensitive countriesThe advantage of dry pipe sprinkler systems is that it is suited to be used to protect aggregations and other H2O sensitive countries while the moisture pipe system does non. While a physical harm on the moisture pipe sprinkler systems will do the pipes leaking, dry pipe sprinkler system will non. It will take 1 minute to let go of the air inside the pipes before H2O flowing.2.2.2.2 Disadvantages of dry pipe sprinkler systemIncreased complexnessHarmonizing to API Group, dry pipe sprinkler systems require extra control equipment and air force per unit area supply constituents which will increase complexness o f the systems. If proper care is non followed for this sprinkler system, the system would be less dependable.Higher installing and care costThe installing cost for dry pipe sprinkler system will be higher since the complexness degree is higher and installing clip is longer comparison to wet pipe system. Besides that, the care cost will besides be higher due to labor accomplishment is required to keep this complex sprinkler systems.Lower design flexiblenessThere are rigorous demands sing the upper limit permitted size of single dry pipe systems ( API Group, 2003 ) . These restrictions may impact the ability of an proprietor to do system add-ons.Increased fire response clipThe entire clip taken from sprinkler caput opens until H2O is discharged onto the fire is up to 60 seconds ( API Group, 2003 ) . The fire snuff outing actions will be delay for 60 seconds and caused the fire harm to the edifice addition.Increased corrosion potencyDry pipe sprinkler systems must be wholly drained and dried. If there is H2O staying inside the pipe, it will do corrosion and premature failure. This sort of job will non go on on moisture pipe system because the H2O is invariably maintained in piping.2.2.3 Pre-action systemPre-action sprinkler systems are installed in H2O sensitive environments such as computing machine suites, library and paper records office. When in an existent fire status, these systems will run to salvage the edifice and its constituents from fire harm. It will give earliest warning if detected of burning in the protected countries and which will originate from the action of a fume sensor. This will gives adequate clip for the eruption to be dealt with satisfactorily by utilizing portable asphyxiators. The pre-action system is similar to a dry pipe system and flood system. The difference between pre-action system and dry pipe system is that the air force per unit area may or may non be used for pre-action system. The difference between pre-action system and flood system is that the valve is electronically held closed and standard â€Å" closed † are used for pre-action system. Two separate events must be presented to originate sprinkler discharge onto the fire. First, the sensing system identifies a underdeveloped fire and so automatically sprinkler system would open the pre-action valve. When the pre-action valve is opened, it allows H2O to flux into system shrieking. Second, each of the sprinkler caputs will verify whether there is fire so merely permit H2O flow onto the fire. This system must be self-draining. For pre-action sprinkler system installing, the maximal Numberss of sprinklers that may be fitted to an installing for light jeopardy is about 500, ordinary jeopardy and high jeopardy is about 1000 ( Hassan, 1996 ) .2.2.3.1 Advantages of pre-action sprinkler systemThe double action required H2O releaseThe double action here means that the pre-action valve must run and sprinkler caput must blend so merely H2O release ( API Group, 2003 ) . This characteristic provides dual degree of protection against accidental discharge. With this ground, pre-action sprinkler systems are often installed in H2O sensitive countries such as book libraries, computing machine centres and etc.2.2.3.2 Disadvantages of pre-action sprinkler systemHigher installing and care costPre-action sprinkler systems are more complex with several extra constituents, such as fire sensing system. Thus the installing and care cost will go higher due to the add-ons system required.Alteratio n troublesPre-action sprinkler systems have specific size restrictions which may impact hereafter system alterations ( API Group, 2003 ) . Besides that, system alterations must integrate alterations to the fire sensing and control system to guarantee proper operation.Potential decreased dependabilityThe higher degree of complexness with pre-action sprinkler systems the higher possibility that something may non work when needed. Regular care is needed to guarantee dependability.2.2.4 Alternate moisture and dry pipe systemThis system is used for those developments in which the H2O in the pipes may stop dead when alteration in the clime and where the encompassing temperature does non transcend 70. For illustration, the system is operated ‘dry ‘ in winter and ‘wet ‘ in the summer. The system inside the pipes will be alterations by following the clime, when it is dry pipe system so the pipes contain tight air, and when it is alterations to wet pipe system so the pipes are filled with H2O. In some instances, this system may necessitate a duplicate of the automatic dismay valves, which may be connected in analogue. The benefit of the automatic dismay valves is to installations an easy conversion at the bend of the season. Besides that, the system must be self-draining and the figure of sprinkler fitted to each installing shall be within the scope 125 to 500 ( Hassan, 1996 ) .2.2.5 Recycling systemThe usage of this system is by and large restricted to state of affairs where it is necessary: To restrict H2O harm after a inferno ; To forestall accidental H2O harm caused by any accident mechanical intervention with the pipe work or sprinklers ; and To be able to transport out work on the installing while guaranting that the system remains in a province of preparedness at all times. When pre-action valve bend to open mean than the operation of any heat sensor activates the dismay driven tam-tam and primes the pipe work ready for the at hand gap of one or more sprinklers. If the fire was put out by portable asphyxiators instantly, the heat sensors automatically reset to the normal monitoring place. This has the consequence of originating a hydraulic force per unit area equalisation procedure which may typically take 5 proceedingss to finish. After this has occurred, the pre-action valve will be from opened and turn to closed. If the fire begins to rekindle, the heat sensors will be reactivated and do the pre-action valve once more be opened. After so H2O will be directed discharge to the beginning of the fire. Others installings use electrical clocking units and the usage of electrically meshing circuitry is installed to guarantee that the system will non run entirely because of falling air force per unit area in the pipe work. With this system, any inadvertent harm to either the pipe work, or the sprinkler caputs will non do the chief valve to open. The disadvantage is when secret agents working on such an installing must take attention that they isolate that portion of the system on which they are working from the potentially active chief system. The system must be self-draining and the figure of sprinklers fitted to such an installing must non transcend 1000 ( Hassan, 1996 ) .2.2.6 Deluge systemDeluge sprinkler systems are installed in high jeopardy operations, such as power bring forthing station, chemical storage, weaponries workss, and the countries which store points such as flammable liquids. These sprinkler systems will work together with independent fire sensing systems and disch arge H2O instantly to the protected country during a fire. The flood sprinkler system is similar to a pre-action system. The difference between flood sprinkler system and pre-action system is that the flood sprinkler caputs are unfastened and the pipe is non pressurized with air. Deluge systems are connected to a H2O supply through a flood valve that is opened when fume or heat sensing system is activated. The sensing system is installed in the same country as the sprinklers. When the sensing system is activated, H2O will dispatch through all of the sprinkler caputs onto the fire. Water is non equal to command or extinguishment fire in countries where flammable liquids are manufactured or stored. Water is require to blend with the froth dressed ore and do the dressed ore to spread out when released through the sprinkler caput, it may striping the fire beginning of O required to back up burning of flammable stuffs ( Hassan, 1996 ) .2.2.7 Tail-end surrogate pipe and tail-end dry pipe systemsThese systems may be regarded as an ‘add-on ‘ system to a standard sprinkler installing and they are intended to cover with relatively little countries. In a het edifices will served by a conventional moisture pipe system, it is possible that a little portion of the edifice is either unwarmed or is overheated temperatures. In order to cover with this, it is allowable to fall in a tail-end surrogate system onto the chief moisture pipe system. The figure of sprinklers on any tail-end extension must non transcend 100. If it is more than two tail-end extensions are services by one valve set, the entire figure of sprinklers in the tail-end extension must non transcend 250 ( Hassan, 1996 ) .2.3 Benefit of fire sprinkler systemAutomatic fire sprinkler systems have been used to protect industrial and commercial belongingss for more than 100 old ages. Nowadays, fire sprinklers are non merely installed in commercial and industrial edifices but besides installed in residential edifices, office edifices, schools and hotels. Fire sprinkler systems are become common and popular that is because it is provide many benefits to us.2.3.1 Reduce human deathsIt is hard to gauge how much safer fire sprinklers could supply in the event of fire. Based on grounds from research lab surveies and limited field experience in the United States, the surveies prove that fire sprinklers could salvage an extra 7.7 lives per million houses per twelvemonth . In add-on, the grounds besides proves that fire sprinklers could cut down the hazard of firefighter decease and hurt during put out a fire. It is estimated if all the edifices were installed with fire sprinklers, approximately 0.1 fireman lives could be saved per million houses per twelvemonth. Thus, the survey concludes that fire sprinkler could salvage an extra 7.8 lives per million houses per twelvemonth ( Rousseau, 1989 ) .2.3.2 Reduce hurtsBased on the United Stated research, the survey proves that if installing of fire sprinkler in edifices could forestall about 87 people hurts per million houses each twelvemonth. The sum of firefighting hurts could besides be reduced through increased installing of sprinklers by every bit many as 30 firefighting hurts per million houses per twelvemonth. Based on American Studies, the cost to remedial per hurt to a civilian or fireman is $ 30,000 ( Rousseau, 1989 ) . These costs are included to pay medical measures and allowance for hurting and agony.2.3.3 Reduce Insurance PremiumsResidential fire sprinkler systems are going more prevailing with each go throughing twelvemonth. If the edifice installed with fire sprinkler systems, it will do the extra 1 to 2 % addition in the concluding cost of the house ( Snyder, 2008 ) . Besides that, municipalities must account for the addition in residential system and guarantee that they are being maintained in conformity with current National Fire Protection Association criterions. After installed fire sprinkler systems, they will really salvage money because they can cut down place insurance rates by 5 to 15 per centum ( Snyder, 2008 ) . These values are expected to be increase in the hereafter. In the event that there is a fire, they will besides salvage money in possible amendss.2.3.4 Increase value of the edificeA edifice constructed with fire sprinkler system has more value than a edifice without a fire sprinkler system. It is because a edifice with a fire sprinkler system provides extra fire safety for the edifice and therefore, the edifice worth more and the proprietor could derive more net income when selling the edifice.2.3.5 Reduce belongings harm costHarmonizing to records for decennaries on belongings harm, the proprietor save about 90 % on belongings harm costs with fire sprinkler systems than those without fire sprinkler systems when a fire is happened. This is clear that a fire sprinkler system will pay for itself many times over. Harmonizing to Daniel Snyder article, the mean cost of amendss in places with fire sprinkler systems was about $ 2,000 and the mean cost of amendss in places without sprinkler systems was about $ 45,000.2.3.6 More clip to get awayFire sprinkler systems provide an extra grade of protection for both life and belongings above fume and other fire sensing systems. Sprinkler systems evidently help people by giving more clip for them to get away when a fire is go oning, so they help to salvage lives. A right designed and installed sprinkler system can observe and command a fire at an early phase of fire development and activate an dismay. So with the right operation of the sprinkler system will quickly cut down the production rate of heat and fume, therefore leting more clip for the residents to get away safety or be rescued.2.3.7 Increase issue entree travel distance capacityAn addition in exit entree travel distances is a major distinguishable advantage for edifices with sprinkler system over edifices without sprinkler system. The issue entree travel distance mean the distance from any occupied part of a edifice to an issue. For illustration, the issue is such as enclosed staircase. Depending on the tenancy of the edifice, anyplace from an extra 50 to 100 pess of issue entree travel distance can be gained when the edifice is installed with fire sprinkler system ( International Building Codes, 2006 ) . Table 2.1 show the maximal travel distance between constructing with sprinkler and without sprinkler for different types of edifices. SEVENTH SCHEDULE MAXIMUM TRAVEL DISTANCES ( By-law 165 ( 4 ) , 166 ( 2 ) , 167 ( 1 ) , 170 ( B ) ) Purpose Group Limit when alternate issues are available ( 2 ) ( 3 ) Dead-end bound ( meter ) Un- sprinklered SprinkleredSmall ResidentialInstitutionalHospitals, Nursing Homes etc, School Open Plan Flexible PlanOther ResidentialHotels Flatss DormitoriesOfficeShopsFactoryGeneral and Special Purpose High Hazard Open constructionTopographic points of AssemblyStorage and GeneralLow an Ordinary jeopardy High Hazard Parking Garages Aircraft Hangars ( Ground Floor ) Aircraft airdocks ( Mezzanine Floor ) NR 9 6 NR NR 10 10 0 15 15 15 0 NR NR NR NR 15 NR NR NR 30 45 30 45 30 30 30 45 30 30 22 NR 45 NR 22.5 30 30 22.5 NR 45 60 45 60 45 45 45 60 45 45 22.5 NR 61 NR 30 45 45 22.5 Table 2.1 ( Beginnings from Uniform Building By-Law 1984 )2.3.8 Increase Egress capacityFor the tenancies edifices which are installed with fire sprinkler systems, except high-hazard and infirmary, the agencies of egress constituents can be increased 50 % for the stairway breadth and 33 % for all other egress constituents such as corridors, doors, inclines ( International Building Codes, 2006 ) . For illustration, a 44 inch of issue stairway concept in a edifice which is without fire sprinkler systems merely can function 146 individuals, but a same 44 inch of issue stairway concept in a edifice which is installed with fire sprinkler system can function 220 individuals. Besides that, 44 inch corridor concept with fire sprinkler system can function 293 individuals, without fire sprinkler system can function 220 individuals.2.3.9 Reduce building costAs antecedently reference, if the new edifice installed with fire sprinkler systems, it will do the extra 1 to 2 % addition in the concluding cost of the house. They are non merely can cut low the insurance premiums but besides cut down in building cost. This is because most edifice codifications provide big building leeway for sprinkler edifices. For illustration, fewer emersions are required and larger floor countries are allowed for the edifice with sprinkler systems installed. This executable design will assist proprietors and re sidents to cut down the building cost and stuff cost. Further more information about the advantages of fire sprinkler system relate to benefits of building cost economy will be explain as below:2.3.9.1 Decrease in shaft enclosuresFor edifice are non greater than 420 pess in tallness, the fire evaluation of perpendicular shaft such as HVAC, electrical, plumbing, trash/linen chutes, except issue enclosures and lift hoist manner enclosures, is permitted to be reduced to one hr where automatic sprinklers are installed within the shaft at the top and at alternate floor degrees ( International Building Codes, 2006 ) . This can be a large cost economy in high-rise edifice building.2.3.9.2 Elimination of the entree anteroom for smokeproof issue stairway enclosuresFor tower block edifice, the issue staircases off the floors located more than 75 pess above the lowest degree of fire section vehicle entree are required to be smokeproof issue enclosures ( IBC 1020.1.7 ) . The entree are to the s tairway in a smokeproof issue enclosure is required to be form an unfastened outside balcony ( IBC subdivision 909.20.3 ) or a ventilated anteroom ( IBC Section 909.20.4 ) , with a breadth of non less than 72 inches ( IBC Section 909.20.1 ) . If the high rise edifice is installed with fire sprinkler systems, under IBC subdivision 909.20.5 is allow to extinguish the unfastened outside balcony and /or the ventilated anteroom demands. This alternate saves valuable infinite on each floor of the edifice and it can be converted into rental or marketable infinite for the edifice proprietor. This can be a large cost economy in high-rise edifice building and besides derive excess net income for edifice proprietor.2.4 Problem of fire sprinkler systemFire sprinkler systems can be used to salvage lives, belongings and others benefit, whether they used in industrial edifices, offices, or place. But automatic fire sprinkler systems besides present some alone proficient jobs. Fortunately, such jobs can be avoided by cognizing the most common grounds for fire sprinkler failure. From the National Fire Sprinkler Association study, the most common grounds for fire sprinkler failure that are error sprinkler activate, overheating, stop deadin g, mechanical harm, corrosion, or leaking.2.4.1 Problem sing elements of fire sprinkler2.4.1.1 CorrosionCorrosion or rust can weaken pipes and sprinkler caputs. The terrible corrosion jobs have been normally attributed to microbiologically influenced corrosion and known as MIC. This can ensue a sudden and unwelcome activation when a sprinkler pipe or caput fails. The National Fire Protection Association states that edifice proprietors are responsible for replacing sprinkler constituents that are corroded or rusted. Corrosion of fire sprinkler piping can take to potentially risky system malfunction, every bit good as dearly-won H2O harm and fix costs. Unfortunately, reviews for MIC and corrosion are frequently overlooked until the jobs become serious, such as damaging leaks occur or the corrosion extend to a big countries of the full fire sprinkler system have to be replaced. This disciplinary care attack is a retro-active scheme. The undertaking of the care squad in this scenario is normally to consequence fixs every bit shortly as possible. Cost associated with disciplinary care include fix, lost production and lost gross revenues. Repair costs are included replacing constituents, labor, and consumables.Solution to corrosion of fire sprinklerA new proactive attack to fire sprinkler care is available utilizing wholly non-invasive, supersonic engineerings that from the BASIC of a prognostic care attack ( Jeffrey, 2005 ) . This attack provides a cost-efficient agencies of observing the presence and supervising patterned advance of corrosion and making a digital record of the system province that can be used to schedule replacing of localised subdivisions of the system before leaks or operation failure occur.2.4.1.2 Mechanical harmFire sprinkler systems depend on the unity of all their parts. If a sprinkler caput is hit or a pipe damaged, the parts can divi de and the system can non be activate when fire is present. A common job with sprinkler caputs is harm from nearby building of forklifts that are raised excessively high, by chance strike harding off sprinkler caputs. Besides that, put ining automatic sprinklers can besides ensue in harm to the system if improper tools or techniques are used ( Russell and Fleming, 2000 ) .Solution to mechanical harmFire sprinkler system must ever be inspected after the plants have been completed by contractor or sprinkler provider. Homeowner must guarantee all elements of the sprinklers in proper mode and without harm.2.4.2 Problem sing installing of fire sprinkler2.4.2.1 FreezingThere are two major sorts of fire sprinkler systems which are wet pipe and dry pipe sprinkler systems. Normally wet pipe sprinkler systems are most common used to put in in the edifices. For this sprinkler system, H2O is invariably maintained within the distribution piping. The advantage to this system is that it responds r apidly to a fire and less expensive than other sprinkler systems. The disadvantage to this system is than the H2O in the system could stop dead if installed to stop deading temperatures. The job that is some rawness builder installs this type of sprinkler system exposed to stop deading temperatures and causes the pipes freezing, the H2O inside can turn to frost and spread out. The enlargement can interrupt pipes and adjustments, doing leaks and loss of H2O force per unit area. The enlargement besides can coerce unfastened sprinkler caputs, doing inadvertent activation when the pipes thaw out ( Russell and Fleming, 2000 ) .Solution to shriek freezingThere are three solutions to work out this sort of job. The first solution to this job is to run all sprinkler shrieking inside interior walls and utilize wall mounted sprinkler caputs ( Schunk, 2008 ) . The ground of replace ceiling mounted sprinkler caputs to palisade mounted sprinkler caputs is that the infinite above the ceiling is capable to stop deading temperatures. Another solution to this job is to blend antifreeze into the H2O ( Schunk, 2008 ) . It will forestall H2O inside the distribution pipe freezing when H2O mix with antifreeze. A job with this solution is that the care requires periodic draining of the system and replenishing with the proper mixture. This care is non merely expensive but besides really mussy and hard to execute in a finished house. The last solution to forestall freeze is to put in the fire sprinkler shrieking beneath the ceiling insularity ( Schunk, 2008 ) . This ceiling insularity must do certain use to whole country, uncomplete ceiling insularity even to a little country will do the pipe freezing. In extra, insularity is merely slows down heat transportation and the pipes will finally stop dead if temperatures alterations to really cold. The best manner to forestall this job happen is that the rawness builder or householder must speak to his contractor or sprinkler gross revenues representative about method to maintain fire sprinkler systems from stop deading temperatures. From illustration, the right method to this job that is chooses the dry pipe sprinkler system in the freeze temperatures.2.4.2.2 OverheatingHeat is used to trip fire sprinklers. Fire sprinklers will automatic activate when the heat is detected and no affair the heat will or will non do the harm to people and belongings. Where fire sprinkler are located excessively close to warmer, fanlights, and other beginnings of heat, the fire sprinkler can by chance travel off and dispatch the H2O out.Solution to overheatingHarmonizing to the regulations of National Fire Protection Associated criterion 13, installings of sprinkler systems require that higher temperature rated sprinkler be used. This means that the solder elements or glass bulbs used as the oper ating mechanisms will be designed and replaced with sprinkler caputs that are rated for higher heat. For illustration, normal glass bulbs will trip at temperatures of 68-74 but for higher rate of glass bulbs will trip at temperatures of 93-149 ( Russell and Fleming, 2000 ) . If the heat is above this scope, a qualified contractor should be hired to do the necessary alterations.2.4.3 Problem sing H2O supply2.4.3.1 Water supplyA typical domestic H2O supply for one and two household homes includes a 5/8 † H2O service and metre and may include a H2O force per unit area regulator and/or a backflow preventer. All of these devices are designed for a typical residential H2O flow rate of 5 to 7 gallons per minute. Unfortunately, they can non present the 26 gpm which required by a residential fire sprinkler system. All of these devices need to be increased in size to 1A? † in order the H2O flow rate go 26 gpm ( Schunk, 2008 ) . The job is, a residential H2O force per unit area regulator and H2O metre that are increased in size to manage the higher fire flows will non decently cut down the H2O force per unit area when operating at the low flow rates that are typical in one and two household homes ( Schunk, 2008 ) .Solution to H2O supplySolution to these jobs is to put in a seconded larger H2O service dedicated to the fire sprinkler system. This solution is non merely expensive ab initio, but will hold ongoing cost because many H2O purveyors ‘ have a minimal monthly rate per metre. The minimal monthly rate mean even there is no ingestion but besides back up to pay certain minimal sum. Besides, the rates typically increase with the size of the H2O metre, so the fire sprinkler metre rates will be more so the rates for the domestic H2O metre. Again, adding a seconded larger H2O service and metre is a concealed cost that is because it is portion of the pipe fitter ‘s occupation, and hence non included in the fire sprinkler contractor ‘s command ( Schunk, 2008 ) .

Life and Margaret Atwood Essay

This quotation was taken from Margaret Atwood’s story, â€Å"Homelanding.† This story recounts many aspects of human existence from an outside view, as if it was being told to an alien race. This story tells about human appearance, sex (both difference and the act of), sunbathing, sleeping, death, and many other human functions in a scientific way. This story takes a step away from the normal way of describing these objects. For example, Margaret Atwood talks about eating and describes it by saying â€Å"I destroy and assimilate certain parts of my surroundings and change them into myself.† Most people who have had human contact their whole life consider eating putting food in their mouths, chewing, and swallowing. This quotation at the beginning of the story shows that the author knows that she is writing this for a human audience. She starts this off with the line, â€Å"Where should I begin?† This is more of a conversational style that draws the reader into this as if she was talking directly to the reader. The human reader is supposed to take the role of the alien race. The reader has to take a duality of being both a human and from an alien race who has no knowledge of anything human. The next line restates this with, â€Å"After all you have never been there; or if you have you may not have understood the significance of what you say or thought you saw.† An alien race would never have been to earth, yet the human reader has spent his whole life on earth if never stopping to think of the significance of what he is seeing. The next line is: â€Å"A window is a window, but there is looking out and looking in.† This can be seen in all the number of times that someone sees something in someone else that the person does not see in himself. For example, often a teacher is responsible for helping a student develop a talent that was there but the student did not know that he had it. This story is attempting to do the same and show the reader characteristics that mankind has but do not know it has. In the next line, this is reiterated with the statement, â€Å"The native you glimpsed, disappearing behind the curtain, or into the bushes, or down the manhole in the mainstreet–my people are shy–may have only been your own reflection in the glass.† This shows the reader is the reflection in the glass and is seeing a portrait of himself in the story. Storytelling is often used to teach a lesson to the reader or listener. One of the most read examples of this is the Bible. Jesus often spoke in parables to help teach lessons to his listeners. This story attempts to make us take a step away from  ourselves and see ourselves in a different light so we could possibly understand ourselves better.

Compare and contrast the representation of femininity in Pygmalion and Wide Sargasso Sea

This paper will attempt to compare and contrast the representations of femininity in the novel Wide Sargasso Sea (WSS) and the play Pygmalion. It will investigate any ways in which the works reflect or challenge commonly held social representations of femininity, and will compare and contrast each representation of femininity and then investigate any themes. It will also consider the counterpoint of masculine representation, and lastly the limitations of a comparison between two texts of different disciplines. These two titles were products of very different cultures; Pygmalion was written in 1912 by the thoroughly British Bernard Shaw, a self-proclaimed feminist, while WSS was written in 1966 by Jean Rhys, a Caribbean Creole (like her main characters) who immigrated to England in her teens. These texts were not intended to be textbooks, or represent any views other than the authors, but by comparing these texts we may find how the ideas of femininity have changed in the intervening years. Shaw's feminism might be expected to have influenced his portrayal of the female characters in his work, so the reader should be aware of a possible feminist subtext. WSS is set in the Caribbean of the 1830's, and was written for a primarily English audience. The author might therefore be expected to emphasise or exaggerate certain aspects of the story to increase the dramatic effect of alienation between the reader and the faraway subject and so the depictions may not be entirely accurate. Both of these works manifest stereotypes of passive women and male figures of authority, as might be expected from works set around the Victorian period. Pygmalion reflects these beliefs to a degree, as Eliza is dominated by the male characters, and especially Professor Higgins, during the three acts of the play. Her own father reflects Victorian values in that he feels able to sell her to Higgins, without her knowledge or consent. However, the play challenges these beliefs by having Eliza leave and stand up to Higgins during the last two acts. The play was also rather daring for the day in casting a common flower girl as the heroine, and refusing the play a conventional romantic ending in which the heroine marries the hero. Class and gender are inseparable, as evidenced by Higgins' continued reference to the ‘gutter' Eliza came from. There is also the suggestion that the only thing separating the flower girl from the duchess is their educations. WSS mostly reflects Victorian female stereotypes, as the women are treated by the men as extensions of their property; Annette has to beg her husband for money, and Antoinette is forced to sign all her possessions over when she marries. The few single women are portrayed as being ‘outsiders' in various ways; Christophine is from a different island, and feared because she practices obeah; while Amelie, contemptuous of the white people she serves, is an outsider in their company. There are many different representations of femininity in these works, and I feel the best way the explore femininity in these works will be to analyse the female characters relationships, and will analyse first the ways the femininity of the main characters is represented in each. In Pygmalion, Eliza's femininity is highlighted firstly by her work; she is referred to in the play at first as simply ‘The Flower Girl', and is shown to use her gender to exploit the presumed chivalrous nature of the men; she deceitfully tells Pickering she's ‘short for my lodgings', despite having previously said she could change half a crown. There are also repeated worries that Eliza is or could become a prostitute; Eliza herself recognises this, by her statements that she is ‘a good girl'. After all, at the start of her training Eliza's aim is to work in a flower shop, yet there is no obvious position ready for her, and when her training is complete she feels unable go back to selling flowers on street corners. Antoinette, the main female character in Wide Sargasso Sea, is represented as being somewhat submissive throughout the novel. The first part is told from her point of view, and is characterised by very little reference to her thoughts and feelings; she mostly seems to ‘go with the flow'. For example, when the Coulibri estate is set on fire she barely reacts except to do as she's told, and lets her family deal with it. After this, Antoinette is bullied and teased; she does not retaliate, but instead runs away as soon as she can. Antoinette's vulnerability is the mirror image of the tough, practical Tia and sensible Christophine, which is an example of how femininity is depicted differently between the women of different races. The white figures in the Caribbean are generally depicted as being somewhat out of place and cast off, while the black characters are part of a larger and more naturally-developed community – Antoinette is unable to make any real friends, as the white community has not been able to integrate with the black; whereas the local black settlement is almost able to turn the burning of the Coulibri estate into a village outing. This reflects a theme of ‘belonging', either to a home or in society, and also a loss of that place. For example, Annette is driven (or appears to be) insane after the loss of her family home. The first reference to Antoinette acting insane comes when she loses the sense of belonging to her estate; after her husband sleeps with the servant Amelie, he perceives her as having a ‘crazy laugh'. This sense of loss is analogous to Eliza's loss of identity and social class, as by the end of her training she has effectively lost her previous identity. Eliza's turning point in the story, where she starts to stand up to Higgins, comes just completing her training and winning Higgins' bet. This is the point where she would be starting her new life, and so it makes sense for her to break off from Higgins. Next I will study the various familial relationships between the female characters. I will begin by analysing the representation of motherhood, a strongly represented relationship in both works. The two main characters in each book each come from essentially single-parent families. In WSS, Antoinette is depicted as being rather attention-starved by her mother Annette, which might explain her hunger for affection with her husband later. This seems similar to her husbands' relationship with her father, whom he feels has disinherited him; but he reacts by masking his emotions, and seems to feel a loving relationship is unnatural. Antoinette does not display any real affection of her own towards her family, and never mentions playing with either her mother or her brother. Higgins seems to have had a similar relationship with his mother in Pygmalion, to whom he displays an almost infantile attachment. Eliza's father seems to have dominated her at home, given his references to beating her; A recurring theme in both works is the female characters' dependence on men, and the expectation that the men will provide for them. Eliza is dependent on Professor Higgins for her transformation, and on Colonel Pickering for the money to open her flower shop later on. The women in Wide Sargasso Sea are mostly represented as being somewhat helpless, and there are many examples of the female characters being ‘saved' by men or needing a male presence in their lives: for example, the family is only rescued from poverty when Annette marries Richard Mason, and later on, Antoinette is saved from bullies by her cousin Sandi. So in Pygmalion, the female characters are mostly independent from men, while the opposite is true in WSS. However, So Pygmalion's plot has a more obvious feminist subtext than WSS, which is indicative of the different representations of femininity in the cultures that made these texts. However, the way Higgins treats Eliza is anything but feministic; and Shaw seems to be biased in favour of his male characters; all the best lines seem reserved for Higgins. It could also be argued that the uncaring and abusive nature of the men in WSS demonstrate why Rhys felt it was important to protect the rights of women. However, there are inherent limitations to an interdisciplinary approach such as this. A play is designed to be viewed in a very different way to a novel, and while WSS presents a concrete and defined world, Pygmalion as a play is open to interpretation. There are many different ways of performing the text that could destroy the delicate feminist subtext; for example, at the end of the film My Fair Lady, based on Pygmalion, Eliza quietly returns to Higgins, who asks her to fetch his slippers – the opposite of Shaw's intentions.

Ethics and Corporate Responsibility in the Workplace and the World Term Paper

Ethics and Corporate Responsibility in the Workplace and the World - Term Paper Example The end use customers of the products offered by the company are also stakeholders who are impacted by the operations of the company. It can also be seen that the regulatory authorities who oversee the operations of the company are also regarded as the other stakeholders in this particular case. 2. The concept of ethics is primarily concerned with differentiating between something that is good from bad (Robbins, 1993). By any standard, it can be seen that the conduct of PharmaCare in Colberia is unethical as a result of the fact that the indigenous population is treated in a bad manner compared to its executives. First and foremost, it can be seen that the healers in this area have volunteered to give their knowledge for free whilst the company is generating lots of revenue from this practice. The other issue is that these indigenous workers work for only $1 per day and they walk for five miles into the jungle to harvest the plants required for manufacturing medicine. These indigenou s people also carry heavy loads on their backs which can weigh as much as 20 pounds. The other issue of concern is that the indigenous workers live in primitive huts that do not have electricity or running water. Overall, the activities of the company in Colberia have destroyed the habitat in the area as well as endangered native species. However, the executives of PharmaCare live in a luxury compound that is comprised of a tennis court, golf course and swimming pool. The compound is electrified and it has running water. This is in stark contrast with the miserable lives being led by the majority of the residents of Colberia who are also the labourers at the above mentioned company. This practice amounts to exploitation and it should not be condoned since it is designed to enrich other people at the expense of the local people who should also benefit from their natural resources. The practice by the company shows that it does not take into account the concept of corporate social res ponsibility in its practice since it totally ignores the needs and interests of the indigenous people who are also supposed to be beneficiaries from the resources that are being plundered by a foreign company. 3. Allen has no legal basis to fire Ayesha, Donna and Tom. These people raised genuine issues that should be dealt with in an amicable way instead of firing them. Ayesha raised a complaint that she has not been promoted by virtue of being a Muslim. This is regarded as discrimination and it has no room in a democracy. All employees should be treated as equal and important to the organization. Donna got sick from the bad working environment in the company and filed for worker’s compensation. This is a genuine case given that the employer has an obligation to make sure that the workplace environment is safe and clean for the benefit of the employees. Thom has also threatened to file a complaint with OSHA as a result of the poor working environment of PharmaCare Company. Ac cording to the United States Department of Labour (nd), the Occupational Safety and Health Administration (OSHA) Act of 1970 states that companies must ensure â€Å"safe and healthful working conditions for working men and women.† It can be seen that Allen cannot legally fire the three mentioned people above since they have genuine complaints. Otherwise, any attempt to fire them will discredit the company since it may be viewed as engaging in unethical practices by different

Second most income for saudi arabia Essay Example | Topics and Well Written Essays - 1750 words

Second most income for saudi arabia - Essay Example The country’s stability in both its religious and economic status makes it one of the most prestigious Islamic States. Saudi Arabia’s strict adherence to Sharia Law and religious rituals has made the country a significant religious center in the world. The country is largely occupied by the Sunni Muslims, who account for more than a third of the total population in Saudi Arabia. This essay will cover the impact of the two pilgrimages, Hajj and Umrah in Saudi Arabia’s economy while also citing the respective countries that attend these pilgrimages. The Hajj and Umrah are important rituals in the Islam religion; the practices are conducted for religious dedications as well as acts of solidarity among the Muslims in the entire world. For instance, the Hajj pilgrimage is attributed to the great prophet Muhammad, which dates back to the seventh century. Although Umrah is optional unlike Hajj Muslim turn in great numbers to mark the practice, which is symbolic of their Islamic faith. The Hajj is a requirement for all Muslims at some point of their lives as long as they are financially and physically able. The continuous practice of these two pilgrimages over the years have not only improved Saudi Arabia’s economy but also strengthened the Islamic faith among Muslims worldwide. Millions of Muslim visitors who go to perform the annual Hajj and Umrah spend billions of dollars in Mecca. Al-Monitor states that the revenues generated from Hajj and Umrah in 2012 were about 62 billion riyals, which were a 10% increment compared to the previous year. The reports also indicate that out of the three million pilgrims who attended the Hajj ritual in 2012, 1.7 million were foreign visitors. The pilgrims were organized according their nationalities, out of the 189 different countries that the pilgrims had come from. According to Al-Monitor, the expert sources that provided the estimate statistics also indicated

The Grammar of Hip-hop Essay Example | Topics and Well Written Essays - 1250 words

The Grammar of Hip-hop - Essay Example The hip-hop dance had become very famous among American boys and was making roots in the minds of European youngsters. The years 1983 and 1984 saw a change in the outlook of teen agers and pre-teenagers of European countries. The reason behind could be youngsters’ desire to show their masculinity, which was not coming out in the absence of traditional repertoires of western societies. It allowed them to show off their physical prowess and masculine attitude through hip-hop dance forms. Popping and break-dance became very popular at the end of 70s. It was an obsession with pre-teen and teen age children particularly boys , as â€Å"popping† and â€Å"breaking† provided a medium to exhibit their hidden energy, aggression and masculinity. Hip-hop spread from America to European countries, which was electric in itself in attaining all the paraphern anguage high school based in southwestern Ontario, Canada glimpses the lives of a group of continental Francophone Afric an youths along with their social identity. Not only their refugee status mattered to them but also their experiences on gender and race played alia like â€Å"right† music, clothes – was well supported by mass media and guest appearances from America. One can see the repetition of this hip-hop cultural identity in the body language of ethnic groups – their subjectivities and wants in semiological languages: dress code, body, architecture and photography. A research in an urban, French l an important part in how they identified with the society.

Marketing Essay Example | Topics and Well Written Essays - 2500 words - 6

Marketing - Essay Example The various techniques used for the Nike shoe are then able to strategically position the shoes ahead of other competitors that are in the market to sell shoes. Background of Organization Nike was established in 1972 by business owner, Bill Bowerman. The idea began in 1964 with the desire to create an athletic shoe that could be used effectively for competitive sports. By 1971, Bowerman had established a shoe that would work and then created the Nike brand to develop the new mechanics and techniques for the shoe. Bowerman began by making a contract with the University of Oregon runner Phil Knight. The approach was to give running shoes that would help Knight to have ease o use while running without having some of the malfunctions that come with basic shoes that are used. The business quickly gained a strong reputation in footwear with a current stance of 160 countries which sell the footwear and the employment of over 1 million people. The approach is to use a set of diversity inclus ion within the organization while creating a strong reputation among those interested in the footwear (Nike, 2011). The success of Nike, with a revenue of $91.2 billion in 2010, is one which is based on a portfolio of products. There are now several affiliate businesses that work with Nike for the brand reputation. These include Cole Haan, Converse, Hurley International, Nike Golf and Umbro. The brand identity that is established all carries the overall features of the Nike logo. This is then divided into specific shoes used for sports, such as running shoes, basketball shoes and other specialized makes and models. There are also divisions for women, men and children to further the brand identity. Nike has incorporated sportswear as well as personal trainers with electronics to assist those that are looking for a different approach to their athletic regimen, creating a different set of brands within the Nike organization (Nike, 2011). Marketing Techniques and Strategies The marketin g techniques that are used by Nike involve several dimensions of finding what the best methods are to reach consumers. The first way in which this is done is by segmentation. The theory of segmentation is defined as creating a presence by noting different target markets which would be interested in a product. Meeting this need by establishing demographic relationships can then provide a stronger movement toward sales among those that are interested in the products (Alderson, Cox, 2006 pg. 137). The segmentation of the products isn’t done by developing the product first, then creating a market that will need the item. Instead, there is an established presence created by need first. Each of the shoes that are presented by Nike is segmented first, than established with the mechanics of the shoe to create a need within the segment. Basketball, soccer, football, running shoes and segments among women and men are some of the several ways that Nike has approached building its brand. This is done within the internal environment first, than leads to establishing a presence among those in need with the item. The concept of segmentation becomes essential by noting that there is a need among different groups of individuals, which Nike can then meet by building a reputation from the science used behind the makes and models of each of the shoes. The target

GAP Business Plan Essay Example | Topics and Well Written Essays - 3750 words

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Media Perspective on Secure Communities in U.S Essay

Media Perspective on Secure Communities in U.S - Essay Example At the initial stages of implementation, the Immigration and Customs Enforcement took a firm stand that was later diluted by the civil society and the media. According to a report by Alex Johnson, a reporter with NBC News, the agency was stringent in the adoption of the policy. The report states that they were not ready to tolerate opposition from neither the state agencies nor the county authorities. The process seemed difficult but the authority was very keen on its implementation, the media further reported on the issue especially on the criticism and dissatisfaction by the state governments. The New York Times reported about the incidence as well as CNN. Some of the media platforms have their personnel criticizing the nature in which the agency was planning to approach the issue. As early as 2010, two years after its adoption the policy started gaining media popularity for all the wrong reasons. The agency was purported to have been deporting innocent individuals. According to th eir report released in the 2010, up to 27% of the deportees were individuals that had not participated in any criminal activity (Johnson 1). The program has been faulted by some media platforms of targeting innocent people or individuals who have committed minor offences. According to Robert Morgenthau of ‘The Daily Beast’, the federal program has targeted quite a number of immigrants who have no criminal record. He asserts, â€Å"Immigrants with no criminal record, who fall into no priority category for removal, should not become ‘targeted’ for deportation simply because they made a right turn without signalling† (Morgenthau 1). Reporting on the same issue, Elena Shore of the New America Media says that ‘Although the program's goal is to prioritize the deportation of those with a criminal record, it has led to the deportation of thousands of immigrants with  no criminal records† (Shore 1). Reporting on the same issue, Elena Shore of th e New America Media says that ‘Although the program's goal is to prioritize the deportation of those with a criminal record, it has led to the deportation of thousands of immigrants with  no criminal records†. These views demonstrate the dissatisfaction that has been advanced by the media personnel against the program. The opposition can be translated to capture the views of other media platforms since their voice has not been heard. The data sharing system has received criticism from the members of the fourth estate. The Secure Communities Program has been faulty in some instances leading to insurmountable damages. In July 2012, James Eng of NBC news reported a case of a man who was held in maximum prison for allegedly being considered for deportation under the provisions of the program. The man went ahead to sue the government for the illegal jailing, marking the first case to challenge the contentious program. The challenge of the program in a court of law by an ind ividual attracted the interest of the media hence facilitating the media criticism (Eng 1). The mode of data transmission has been questioned with the media personnel casting doubts on the media used. There is also likelihood of probable errors that could have result to criminalization of an innocent citizens, asserts the reporter. Despite the stringency adopted by the Immigration and

Ethels Chocolate Lounges Assignment Example | Topics and Well Written Essays - 250 words - 13

Ethels Chocolate Lounges - Assignment Example The product line of gourmet chocolate comes at an expensive price to compete with multinationals in the industry such as Starbucks. Ethel’s Chocolate Lounge relies on limited decision making to influence the clients. Clients that engage in limited decision-making have a low level of involvement and do not engage in searching for alternative products and brands. The search for similar items will base the decision on similar ingredients when items are on sale or a prior experience on some of the item the consumer needed to purchase. Mars Corporation focuses on advantage routine response behavior frequent purchases by consumers’ exhibits routine response behavior. Some of the factors that can motivate the consumers to make a purchase at Ethel’s Chocolate include an advertisement with a desirable destination. A specific culture will move to various styles of chocolates to enjoy the taste-making of Ethel’s Chocolate. Some of the psychological factors that suit the consumers' needs include beliefs, perception, and attitudes. An upscale modern style will match with the popular culture of classy feel. The store has a modern look with an appeal of relaxing ambiance that encourages socialization to extend lounging.

Essay about a Poem Example | Topics and Well Written Essays - 500 words - 1

About a Poem - Essay Example emplation as young, Black student in the midst of a relatively Caucasian educational institution and the contention of the equality between him and his professor. The persona of the poem speaks of how he perceives himself as the same as of any other individual his age or otherwise. He starts with the fact of his cognizance of his aesthetic difference and how he is apart from all the others around him, being the only Black student in his class. It paints of the picture of the school and its close proximity but otherwise vague disconnect with Harlem. But with the college’s discord amplifying his intimacy with the place and how it represents him, and how he must represent it. It ropes in the simple intricacies that add up and defines us as who we are as human beings. Mundane things the poetic persona expresses like ‘to eat, sleep, drink, and be in love’ How these are the same for him as it is for all the others around him, including his professor, this in his mind makes all of them equal, regardless of the color of their skin. The perception of the polar opposition between the white paper and the black ink gives much of the vivid detail that makes the poem as refine in the rendering of the underlying tone that it extends. He is what and who he is, and being so, the negation of what his paper will not be leads to his realization of what it is. In the course of his reflection he discerned the reality of being. The veritable connections that make the student and the professor equal, that constitutes why they are one and the same. And that is the fact that they are both Americans. Known for his political dynamism through his literary works, Hughes wrote the poem during a time when American history was at the threshold of a landmark revolution that ultimately led to the realization of the Civil Rights Movement. A developmental change that he has in many ways has become an integral part of. His works include contentious political tones that articulate race

Pride and Prejudice by Jane Austin Essay Example for Free

Pride and Prejudice by Jane Austin Essay Contrast and compare the two marriage proposals made to Elizabeth Bennet in the novel: Mr Collins proposal to Elizabeth and Darcys proposal to Elizabeth Jane Austen lived in a mercenary world and this is reflected in her novel. In Pride and Prejudice no secret is made of the need to marry for money. Jane Austen reflects different types of marriage in her novel. There is mercenary marriage, brought about solely for economic reasons. Such would have been the marriage between Mr Collins and Elizabeth. Mr Collins proposal was fuelled by his own economic motives, desire to please the aristocratic Lady Catherine and by Mrs Bennets economic fears that Elizabeth will inherit little money when her father dies: not real feelings or any aspect of love. Contrasting this is the ideal marriage. Marriages rationally founded, based on, excellent understanding, and, general similarity of feeling and taste, (Chapter 55) Such is the marriage between Darcy and Elizabeth. Although Elizabeth refused Darcys first proposal, it was ultimately made because of true emotional feelings, respect and admiration for Elizabeth. The main reason for Mr Collins selection of a wife in Elizabeth is economic convenience. Her farthers house is entailed to him. By marrying Mr Collins, Elizabeths family will not be left without a home. Many aspects of Mr Collinss proposal reflect his lack of feeling. The first being how the proposal comes about. He comes to Hertfordshire, with the design of selecting a wife, and he ironically feels that his choosing one from Longbourn was, disinterested on his own part, due to the estate being entailed to him. Any lady form Longbourn will suffice. Elizabeth was not even his first choice, but Jane was believed to be soon united with Mr Bingley. He admits to Elizabeth that the house is a motive for his choice, proving that his proposal is dominated by economic convenience not love. His proposal was far from a spontaneous act of love. It was planned and his choice designed with Mrs Bennet. Elizabeth was clearly aware of his intentions, and tries desperately to avoid being put in a position where they can come out. However once forced to by her mother, Elizabeth wishes  to, get it over as soon and quietly as possible. Elizabeth obviously does not have feelings for Mr Collins and takes no pleasure in his proposal. There is a sense that Mr Collins talking through a set of words throughout his proposal. He addresses Mrs Bennet with great formality, it gives a sense that he has pre-designed his address to her. Mr Collins is following the rules, saying what he is supposed to say; not what he feels. His whole proposal to Elizabeth gives a sense of an order of service, with a script that could be applied to any character. The speech is very impersonal. Mr Collins talks of, young ladies, your sex. There is exceedingly little mention of Elizabeths character or Mr Collinss admiration for it. It feels as though Mr Collins could apply his speech to anybody, and later does with Charlotte. The content of Mr Collinss dialogue throughout his proposal is very explicit in its lack of feeling. He begins by stating his reasons for marriage. His first reason it that he feels he should, Sick Equation the example of matrimony. he believes marriage will add to his happiness, and Lady Catherine told him, Mr Collins, you must marry. A clergyman like you must marry. Mr Collins wants a good little wife to use as a tool to improve his public image. He talks of how a marriage will please him. He does not talk bout how the union between him and Elizabeth will bring him great happiness. It does not matter who his bride is, as all he wants is a wife, to improve his status and please Lady Catherine; he does not have to have feelings for her. It could be said that Mr Collinss greatest incentive to marry is to please Lady Catherine. He is being forced into a proposal by another woman, not true feelings. Although there is a mention of his feelings, Mr Collins talks of how, the violence,; of his affections would overlook the downside to marrying Elizabeth . Not how violently he respects and admires her. Darcys proposal is a complete contrast in its emotional conflict. The whole proposal is much more dynamic and there are clearly strong emotions and feelings involved. Darcy immediately tells Elizabeth he loves her. Wards are used such as, and agitated manner, the color rose, became pale with anger, painfully greater, these clearly demonstrate dynamic, strong feelings. They illustrate the greater depth of feeling felt throughout  Darcys proposal than in that of Mr Collins. Mr Collins proposal was mainly fueled by the great convenience in Elizabeth marrying Mr Collins. However Darcys proposal is very far from convenient. Although technically in the same class, Darcy is viewed to be much above Elizabeth in society and a marriage between them would not be viewed as idea. Mr Collins is following the rules in his proposal; talking to Mrs Bennet, saying what he is supposed to and attempting to please Lady Catherine. In contrast Darcy is compelled by his feelings to break the rules, by not doing what society expects of him. Mr Collins proposal was greatly fueled by Lady Catherine and his desire to improve his standing in society. However Darcy is fueled by his feelings to go against society and potentially decrease his social standing. Darcys true love for Elizabeth overcomes all the sociable reasons for not marrying E. Darcy is a very strong character, however he struggled, in vain, to overcome his feelings. Darcys feelings managed to overcome him. Showing their strength and power. Their proposals act as a great insight into the character of Mr Collins and Darcy. Mr Collins proposal greatly shows what is important to him. The thing of greatest importance to him, seems to be money and connections. His public persona is very important, he was to marry to improve it and please Lady Catherine. Mr Collins sees money and high connections with people such as Lady Catherine as reasons for happiness and why Elizabeth should marry him. He does not appear to realize that not everyone is as materialistic as him. Mr Collins is driven into his proposal by economic reasons and Lady Catherine, which seem more important to him than love. The importance of high standing people such as Lady Catherine to Mr Collins is also very apparent in his proposal. He is clearly obsessed by her high social status. He wants to marry because Lady Catherine tells him, A clergyman like you must marry. He allows her to choose what type of woman he should marry, a woman, active and useful, not brought up high, but able to make a small income go a good way. Lady Catherine tells Mr Collins to choose a woman with these characters, not just for Mr Collins sake but for her own. Mr Collins allows another womans wishes to dominate his choice in  a wife. Perhaps Lady Catherines feelings are more important to him than his own or his potential wife. One of the greatest things Mr Collins can offer seems to be Lady Catherine. He says to Elizabeth, I do not reckon the notice and kindness of Lady Catherine as among the least of the advantages in my power to offer. This again demonstrates Mr Collins lack of recognition of the fact that not every one feels high connection and money to be the greatest importance in life. As well as money and connections Mr Collins believes Lady Catherine to be more important than love. Mr Collins personality traits are also portrayed very well in his proposals. He is unmoved by Elizabeths refusal and continually refuses to accept it. His first reaction is to dismiss the refusal, with a formal wave of the hand. He believes, it is usual with young ladies to reject the addresses of the man whom they secretly mean to accept. He then goes on to say, ; give me leave to flatter myself,; theat he believes Elizabeths refusal, is merely words of course. he clearly has an extremely high opinions and an over confidence in himself and his situation in life; he simply cannot believe why anyone would not wish to be a part of that. Despite great efforts from Elizabeth to convince him otherwise, Mr Collins still leaves his encounter iwth Elizabeth, believing, his proposals will not fail of being acceptable.; it is greatly apparent that Mr Collins is too conceited to accept Elizabeths strong refusal. He is deluded enough to believe himself and Lady Catherine as irresistible to Elizabeth, and will not believe it when she manages to revisit them. He goes as far as too view the refusal as encouragement. There are further aspects of his proposal exposing Mr Collins character. He explains his second reason for marrying as being to add very greatly to my happiness. This add to the partial of him as selfish and self obsessed. He does not make any secret of his motives for marrying as being Lady Catherine and the convenience of a marriage between him and a lady from Longbourn. He is again too deluded to see that saying this would not impress Elizabeth and says, I flatter myself it will not sink me in your esteem. There is a sense that he has such a high opinion of himself, he feels that it does not matter what he says, Elizabeth will want to marry him. He is even deluded  enough to believe Elizabeth should be grateful for his proposal he speaks to Elizabeth with great contempt and fails to realize that this may displease her; not encourage her to marry him. He tells Elizabeth that her, with and vivacity, will be, tempered with the silence and respect which her rank will inevitably excite, when talking about Lady Cather. Implying that Elizabeth should be extremely intimidated by someone such as Lady Cather. He later goes on to denigrate Elizabeth by telling her, Your portion is unhappily so small that it will in all likelihood undo the effects of your loveliness and amiable qualifications.; he is clearly too deluded and foolish to realize insults are not the way to a womans heart. Much of Darcy character is also revealed in his proposal. He is clearly not used to feeling the way that he feels. He first, sat down for a few moments, then walked about the room. He is seemingly unaware of how to deal with this situation. He came toward Elizabeth, in an agitated manner. Darcy is far form his usual character of cool composure. He has clearly been moved by visible feelings; unlike Mr Collins. Darcy shows that money and status are important to him as well. He says, In vain I have struggled; and in spite of all his endeavors,; Darcy cannot overcome his feelings and must express them to E. Unlike Mr Collins Darcy talks of his great affections for Elizabeth. However just as Mr Collins Darcy also talks of money and connections. His speech is described as being, not more eloquent on the subject of tenderness than of pride.; although money and status are undoubtedly very important to Darcy, unlike Mr Collins, he proves that love and happiness are more important to him. Darcy is portrayed as being very honest. He gives Elizabeth the full story of his affections; the good and the bad. He makes not attempt to deny his actions in trying to separate Mr Bingly from Elizabeths sister, even though he must be aware that it will damage Elizabeths opinion of him. The fact that Darcy is willing to give Elizabeth the full story, reflects the openness and extent of Darcys feelings for Elizabeth. Darcy is much more realistic and down to earth than Mr Collins. He is not too  deluded to realize that the insults of Elizabeths family will damage her pride and upset her. However Darcy respects Elizabeth, and feels it better to give her the full story. Darcy is not too conceited to hear Elizabeths refusal. He accepts it and is clearly moved by it. His, complexion became pale with anger, and he struggles, for the appearance of composure. He stops Elizabeth and, hastily left the room. Despite his higher status than Mr Collins, Darcy is not too self absorbed as to not believe Elizabeths rejection as being real. Darcy his giving everything to E. He gives her the full story. He shows her all his feelings; and vulnerably puts his entire self out on the line. By exposing himself so openly, he wants the great gift of love and happiness. However Mr Collins proposal in comparison is very superficial. He is not searching for lover or a joyous union between man and wife, but selfishly, and improved social standing for himself. As well as contrasts some similarities can be found between eh two proposals. Both Mr Collins and Darcy assume a positive outcome to their proposal and an acceptance of their offer. It is apparent that Mr Collins is so ceratin of acceptance, as he is os greatly conceited and believes that what he can offer will be unavoidably tempting to Elizabeth; she will not be able to refuse. However there is a sense that Darcys assumption is based on other reasons. It feels as though, Darcys feelings are so strong and have been so overpowering that he has not thought of refusal. Perhaps he feels that it would not be possible for him to feel so strongly for her, if Elizabeth did not feel the same. Although he assumes acceptance, when Darcy is faced with refusal he accepts it very quickly, unlike Mr Collins. In their proposals both Mr Collins and Darcy inflict pain on Elizabeths pride by reminding her of her vulnerable social situation. Mr Collins is willing to over look Elizabeths poor fortune. Darcy has been forced by his true love to overcome his question about Elizabeths social standing. Mr Collins sees economic reasons, his high connections, his ability to improve, Elizabeths social standing, and his opportunity to improve his social status by obtaining a wife, as reasons for marriage, not the opportunity of  love and happiness. Darcy however does not try to use his ability to improve Elizabeths economic situation as reasons for her accepting his hand. Darcy sees the questionable economic and social situation as a reason for not marrying Elizabeth . In contrast to Mr Collins he sees the potential for love and happiness as the fuel for marriage, not money. It is because of this that he is able to overcome his pride and propose. We can also obtain many aspects of Elizabeths character, from her behavior during and reaction to the two different proposals. Elizabeth is clearly very sensible. When Mr Collins presses for time alone with Elizabeth she immediately knows what is going on, and tries desperately to avoid it. Unlike maybe some of her younger sisters she is not naive, and does not simply desire for male company. Elizabeth later goes on to asset the sense of her character, by responding to Mr Collins ridiculous assumptions that Elizabeths refusals is just part of a game that many young women play, by saying, I do assure you that I am not one of those young ladies, (if such young ladies that are) who are so daring as to risk there happiness on the chance of being asked a second time. Elizabeth is clearly too sensible to play such games. She is not so stupid as to risk true love and happiness, and maybe too sensible to see how anyone could be so insensible as to do so. As well as sensible Elizabeth comes across as very civil and level headed. She does not cause a scene, does not loudly refuse Mr Collins and revoke his insults. In stead she wishes to finish the ordeal as quickly and, as quietly as possible. At first Mr Collins declaration of his love makes Elizabeth, so near laughing that she could not use the short pause he allowed in any attempt to stop him farther. this reflects Elizabeths light spirited character and good sense of humor. Despite Mr Collins constant disbelieve of the reality of Elizabeths refusal, Elizabeth still remains calm and civil. She does not appear as ill-tempered and is perhaps sensible enough to realize that becoming upset and excited will not help the situation. She attempts to blame her refusal on herself and lack of ability to please Lady Catherine. She says to Mr Collins. were your friend Lady Catherine to know me, I am persuaded she would find me in every respect ill qualified. She does not personally insult Mr Co llins, but instead attempts  to find excuse for her denying his proposal. This again reflects her civil character. It seems as though Elizabeth does not like insulting confrontations with people. She is desperate to leave her encounter with Mr Collins under good conditions. However Mr Collins continues to persist in his proposal. Despite attempts to remain civil, as Mr Collins continues to reuses the reality of her refusal Elizabeth becomes more agitated. She cries to Mr Collins, with some warmth, your puzzle me exceedingly, Elizabeth is seemingly too sensible for such foolishness and silly games; and they clearly agitate her. However instead of insults, Elizabeth reverts to her trade mark irony as she becomes more angry. It is a reflection on her good nature a strength that she remains so calm during such an infuriating ordeal. Elizabeths connection in intellect and sense with her father is revealed at the end of the proposal. Elizabeth acknowledges that she will not be able to convince Mr Collins and immediately thinks of her father. Sh knows that his character is just as sensible as her own, and unlike her mother, her father will not make her marry such an obsurd man. Many of the aspect of Elizabeths character are also revealed in Darcys proposal. As with Mr Collins Elizabeth did not want to see Md. However this is due to her dislike of his character; not even her sense could foresee this proposal. After Darcy beings his proposal, he views Elizabeths silence as, sufficient encouragement, to continue. This agin reflects Elizabeths strength of character. She is clearly recognized by Darcy as a woman with strong mind and opinions. Elizabeth was at first sorry for the pain he was to receive. This shows that Elizabeth is a compassionate character. Although she deeply dislikes Darcy; she is not so spiteful as to wish to inflict any pain on him. Elizabeth evidently feels much more emotion throughout Darcys proposals. Phrases are used such as, color rose into her cheeks, she was roused to resentments, she lost all compassion in anger. However despite heightened emotions, Elizabeth still tries to remain patients and composed. It is clear  the Elizabeth feels much more for Darcy. She is much more personal in her responses to him. She Darcy, I have never desired you good opinion. She makes no secret of her dislike for him. She informs Darcy that it is not only his proposal on which her, dislike was founded. Elizabeth is clearly very passionate about Darcy, even if she does not like him. She is insulted by him, and cannot remains so civil as with Mr Collins. She cannot brush away Darcys insults as she can with Mr Collins. This is all because she feels for Darcy and does not for Mr Collins. Elizabeth clearly cares deeply for her family, as she particularly struggles for composure, after Darcy confirms his actions causing hurt to Elizabeths sister Jane. As well as the creditable aspects of her character, Elizabeths greatest fault is also displayed. Her fault being prejudice. She bases her deep, deep dislike of Darcy, on the opinions she formed of him after their first meeting. In her final dialogue of Darcys proposal Elizabeth says, from the first moment I may almost say, of my acquaintance with you, your manners impressing me with the fullest belief of your arrogance, your conceit, and your selfish disdain. Because of this opinion Elizabeth automatically believes Wickhams story. The believe of his story, inflated Elizabeths bad opinion of Darcy, and greatly fueled her dislike. Elizabeth does not even think to consider her view of Darcy may be incorrect. She does not hesitate in firing her insults at him and shows great prejudice towards him. Elizabeth does not acknowledge the feelings of either of the men proposing to her. She knows she will not make Mr Collins happy. Elizabeth believes that after Darcy has exposed his love to Elizabeth he, can have little difficulty in overcoming it. Elizabeth appears completely ignorant to the stir she has cause in d. The reflects her modesty. She does not have an over inflated image of herself and is too sensible to feel that men should always fall in love with her. Throughout both proposals, despite being annoyed, angered and hurt, Elizabeth always tries to retains her composure. Although this is a merit to her strength of character, it could also be interpreted in a different way. Perhaps Elizabeth tries to remains calm because she cares aobut what others  think of her. She does not want to be viewed as ill-tempered or hot headed. Instead as the civil sensible character, that she is. I feel the greatest tribute to Elizabeths strength of character, is her refusal of both proposals. She proves herself to be, much wiser and much more confident than Charlotte Lucas, who accept Mr Collins proposal. Elizabeth will not just marry for convince and the safe entail of Longbourn. Elizabeth shows that she is too strong to be swayed into acceptance, by a rich husband and a lavish existence. Unlike Mr Collins, Mrs Bennet and Charlotte Lucas, Elizabeth proves that love and happiness are the most important thing to her, not economy and status; love will be the only reason why she will marry. Typically, Mrs Bennet is reflected very badly in her attempt of match making. In discussion with Mr Collins, Mrs Bennett assumes that Elizabeth will accept Mr Collins proposals. This shows that both feel money and connections are suitable reasons for accepting a marriage. The both assume that Elizabeth also views status as more important than love. Mrs Bennett does not think to consider the feelings of her daughter. She overlooks Elizabeths discomfort and vexation, and continues to pressure Elizabeth into time alone with Mr Collins. This implies that to Mrs Bennett improved social connections, the secure knowledge that her house will remain in her family, are more important than the feelings of her family. This is later supported by Mrs Bennetts reaction to Elizabeths refusal. She refuses to talk to Elizabeth for what she has done. This probes that Mrs Bennett attaches a greater value to status, than to love and enjoyment of her family. There is a sense that she wishes to be the boss. Whatever she tells her children to do is right and must be done. However she does not have the wit or intellect to command such control. Instead, just as a child, she sulks when her authority is not followed. Elizabeth maintenance of a civil manner throughout the proposals, shows that she is more sociably acceptable than her mother. Despite Mrs Bennetts constant attempts to improve her social standing. One of the Jane Austens greatest tricks, is her ability to adapt her script  to influence the reader into feeling what she wants them to feel. This is very apparent in the two proposals. For Mr Collins proposals, Jane Austen includes the full dialogue of his declaration. This has great effect. By including the full script of Mr Collins dialogue it enhances the effect that Mr Collins is talking through a script. You get the full flavor of his pre-designed speech; and the extent of his lack of feeling. Jane Austen uses the opposiet tactic achieving an opposite effect for Darcys proposal. She does not write the full dialogue of Darcys proposal. Instead she depicts the events in a narrative form. This helps to maintain the reader like towards d. Elizabeths fault is prejudice and Darcy is pride. Due to his nature and the society hie lives in Darcy will inevitably damage Elizabeths pride with insults towards her status. However these are not included in the dialogue. So the reader comes to respect Darcy for telling a true story of his love; but without disliking him for rude conceited remarks, as with Mr Collins. There is a further effect form the authorial comments. The ending to Mr Collins proposal, leaves a definite finality to the situation. Although Mr Collins leaves convinced they will marry, Elizabeth knows otherwise. She will apply to her father, who will make no doubt of the fact that Elizabeth does not wish to accept Mr Collinss proposals. Elizabeth does not reflect on his proposal; and there is no question that she does not feel for Mr Collins. However with Darcy it is different. Elizabeth is definitely moved by his proposal. She sat down and cried for half and hour. She considered her meeting with Darcy, in very agitated reflections until the sound of Lady Catherines carriage. There is no sense of finality to Darcys proposal or Elizabeths feelings. As the reader is aware that Elizabeths passionate hatred is founded on prejudice, you cannot help but wonder that if she were to over come her fault, her passion towards Darcy might change. It is clear through the proposals that women did not always have a very high standing. For some women were simply interchangeable. For example when Mr Collins finds that Jane is taken he immediately move his marital interests to Elizabeth. It appears that women did not always have a high enough  standing to even choose their partner in marriage. Some women were forced into marriage not by love or choice, but by family and the pressure to increase or maintain a social reputation. For example Mrs Bennett attempts to force Elizabeth into marrying Mr Collins.. It is not all women who have Elizabeths strength of character not to be pushed, for example Charlotte did not. It appears that women could sometimes be the victim of emotional blackmail. For example Mr Collins tires to convince Elizabeth to marry him by telling her that it is unlikely any one else will offer, as her, portion is unhappily so small. Mr Collins proposal also suggests that what women said in reply to a proposal did not always matter. Mr Collins finally resigns himself to saying that even if Elizabeth continues to refuse, her mother will ensure a marriage. However Darcys proposal contradicts this. Darcy takes note and respects Elizabeths refusal. He make no attempts to bribe or pressure her as he realises she does not love him. Both proposals reflect the great importance of money and class when it comes to marriage. Mr Collins proposal was fueled by economic and social reasons. It appears that to some these are substantial enough reasons for marriage. Mr Collins tells, your portions is unhappily so small that it will in all likelihood undo the effects of your loveliness and amiable qualifications. This implies that many would feel, class many would feel, class, money and connections to be more important than admiration of the other, when in search of a bride. Even Darcy who feels genuine love for Elizabeth, must mention money. In the society of the time, money and class are such important issues that Darcy cannot let them escape when proposing. Although it is revealed that money is very important when it comes to marriage, it is also apparent that true gentlemen such a Mr Darcy will not befall to snobbery, they can overcome economic situations, because they have the correct moral understand to know that lov e is most important.

Benign Prostatic Hyperplasia Causes, Signs and Treatments

Benign Prostatic Hyperplasia Causes, Signs and Treatments As a man matures, the prostate goes through two main periods of growth. The first occurs early in puberty, when the prostate doubles in size. Around of the age 25, the gland begins to grow again. This second growth phase often results, years later, in BPH. Though the prostate continues to grow during most of a mans life, the enlargement doesnt usually cause problems until late in life. BPH rarely causes symptoms before age 40, but more than half of men in their sixties and as many as 90 percent in their seventies and eighties have some symptoms of BPH. As the prostate enlarges, the layer of tissue surrounding it stops it from expanding, causing the gland to press against the urethra like a clamp on a garden hose. The bladder wall becomes irritable and thicker. The bladder begins to contract even when it contains small amounts of urine, causing more frequent urination. Eventually, the bladder weakens and loses the ability to empty itself. Urine remains in the bladder. The narrowing of the urethra and partial emptying of the bladder cause many of the problems associated with BPH. Prostate enlargement is as common a part of aging as gray hair. As life expectancy rises, so does the occurrence of BPH (NucleusMedicalMedia, 2013). Clinical Findings Most men with BPH complain of symptoms of the lower urinary tract. Doctors should ascertain whether the symptoms are really caused by BPH or by another pathology. In the assessment, distinction needs to be made between obligatory and optional investigations which follow in the cases where diagnostic uncertainties persist after the basic examination (Dr. med. Matthias Oelke, 2013). Obligatory Examinations Patient history: A family history of prostatic disease and prostatic cancer, a history of lower urinary tract disease such as bladder stones, cystoscopic examination, transurethral surgery, and systemic disease and a history of alpha-blockers, 5-alpha-reductase inhibitors, antimuscarinics, or neurological medications should be recorded (Dr Hann Chorng Kuo, 2008). In addition to the general and neurourological history, a detailed history with regard to micturition should be taken. In the micturition history, obstructive and irritative symptoms are elicited and possibly quantified (Table 1). The history should also clarify whether drugs are being taken that might affect the functioning of the lower urinary tract (Dr. med. Matthias Oelke, 2013). Symptom and quality of life questionnaires: The frequency and extent of symptoms can be quantified by using a questionnaire, and changes during therapy can thus be documented. The International Prostate Symptom Score (IPSS) is the most commonly used questionnaire (Table 2). The first 7 questions capture the frequency of symptoms of the lower urinary tract within the preceding 4 weeks, the 8th question the extent to which the patients quality of life is compromised. The symptom score is obtained by adding up the answers to questions 1 to 7 and will be a number between 0 and 35 (Dr. med. Matthias Oelke, 2013). On the basis of this score, the symptoms can be classed as mild (IPSS score 0-7), moderate (IPSS score 8-19), or severe (IPSS score 20-35) as shown in the Table 3. Physical Examination: Patients should be examined systemically and locally. Examination of the abdomen includes checking for a palpable bladder. This may indicate chronic outflow obstruction or a neurogenic bladder. The presence of an abdominal scar, a palpable, distended bladder and genital lesions should be carefully examined. Obviously, any further abnormalities require a full neurological history and examination. In addition to a general physical examination, the patients neurourological status should be assessed. This provides information on the anal sphincter muscle tone and the sensorimotor state of the lower extremities, the perineum, and the genitals. During the basic neurological examination, the reflex pathways of the lower extremities should also be assessed (Table 3), to enable conclusions about the functional fitness of the neural pathways in the bladder and the bladder sphincter (Dr. med. Matthias Oelke, 2013). A digital rectal examination (DRE) of prostatic consistency, prostatic size, surface and abnormal nodularity should be carefully done. It includes noting the tone of the anal sphincter and the pelvic floor (Diagram 2.2.1A). It may be poor with a neurogenic bladder. Urologists report their findings in terms of the size of the prostate, a normal gland in a young adult weighing about 20 g. A useful guide for those less familiar with prostates is that a fingers breadth represents about 15 to 20 g and so a gland that is three fingers in breadth across is 45 to 60 g. Symptoms are unusual below two fingers in breadth. It is also important to note the texture and contour of the gland. It should be firm but not hard, and smooth without nodules. The median sulcus should be clearly defined. A gland that is hard rather than firm, nodular and lacks a clear median sulcus suggests carcinoma of prostate (Dr Laurence Knott, 2012). Compared with transrectal ultrasonography, the prostate volume is usua lly underestimated by 10 to 20% on digital rectal examination (Dr. med. Matthias Oelke, 2013). A Digital rectal exam (DRE) is done to assess the prostate size and shape. After putting on a lubricated glove, the physician gently inserts a finger through the anus into the rectum and assesses the size and hardness of the prostate gland. Laboratory tests: Urine test (urinalysis). When a patient complains of urethral symptoms (micturition pain, burning sensation) a urinalysis should be performed (Dr Hann Chorng Kuo, 2008). Analyzing a sample of the urine in the laboratory can help rule out an infection or other conditions that can cause similar symptoms (MayoClinic, 2011). When the urinalysis shows a miscroscopic hematuria or pyuria, a KUB radiograpgh should be done to investigate whether there are bladder or lower ureteral stone. Blood urea nitrogen and creatinine levels should be investigated when chronic urinary retention is noted (Dr Hann Chorng Kuo, 2008). Prostate-specific antigen (PSA) blood test. The prostatic specific antigen (PSA) level is indicated in all patients with an enlarged prostate or abnormal DRE findings (Dr Hann Chorng Kuo, 2008). Its normal for the prostate gland to produce PSA, which helps liquefy semen. PSA levels increase with an enlarged prostate. However, PSA levels can also be elevated due to prostate cancer, recent tests, surgery or infection (prostatitis) (MayoClinic, 2011). Men with high PSA levels have a higher risk of future growth of the prostate, symptom and flow rate deterioration, acute urinary retention and BPH-related surgery. BPH levels increase with age and approximately 25% of men with BPH have a PSA of >4ng/ml. PSA testing is more appropriate for patients whose future natural life span is likely to be more than 10 years (Dr Hann Chorng Kuo, 2008). Uroflowmetry. It is a dynamic test that measures the volume of urine released from the body, the speed with which it is released, and how long the release takes. Both average and maximum flow rates can be measured (U.S National Library of Medicine, 2012). As shown in the Diagram 2.2.1B and Graph 2.2.1A, the patient will be asked to urinate into a funnel connected to the electronic uroflowmeter, which records and translates the urine flow into a graph which gives a good indication of the degree of bladder blockage (Chin Chong Min Urology Robotic Surgery Centre, 2013). The peak flow rate, also known as Qmax is generally used as the basis for determining the severity of any blockage or obstruction. Low flow may indicate such conditions as obstruction of the urethra, enlarged prostate or poor bladder function (UrologyCare, 2011). This technique, which is used to detect an obstruction of the  urethra and  bladder neck, is widely used in the diagnosis of BPH (EhealthMD, 2012). A Qmax value over 15 mL/s is usually considered normal. A Qmax below 7 mL/s is accepted as low. Results can vary according to effort and volume and so the usual compromise is to obtain at least two readings with at least 150 mL of urine each time (Dr Laurence Knott, 2012). Postvoid residual urine: One of the important subjects of tests for urinary incontinence is the postvoid residual urine volume (PVR), the amount of urine left after urination. Normally, about 50 mL or less of urine is left; more than 200 mL is a definite sign of abnormalities. Measurements in between require further tests. This test is done using  ultrasonography  or it can also be done with a small tube (catheter), being put into the bladder through the urethra. By using the transabdominal ultrasonography, it uses a device placed over the abdomen. It can give an accurate measure of postvoid residual urine and is less invasive and expensive than transrectal ultrasonography (TRUS) (UrologyCare, 2012). Postvoid residual urine can occur in bladder outlet obstruction in BHP, but also in other forms of bladder outlet obstruction or detrusor underactivity. (Dr. med. Matthias Oelke, 2013). Urosonography: The bladder and kidneys should be examined in every patient. Since a raised serum creatinine concentration occurs only after about 50% of nephrons have failed, an ultrasound investigation of the kidneys can diagnose upper urinary tract dilatation even in the absence of raised creatinine. Since bladder outlet obstruction results in compensatory hypertrophy of the detrusor muscle, ultrasound measurements of the detrusor thickness when the bladder contains at least 250 ml urine can be used as an additional variable in assessing the degree of obstruction. A detrusor wall thickness of †°Ã‚ ¥ 2 mm indicates a bladder outlet obstruction with 95% certainty (Dr. med. Matthias Oelke, 2013). Optional Examinations TRUS: Transrectal ultrasonography (TRUS) can determine the volume of the prostate more precisely than transabdominal volumetry, the methods differ by about 10%. Only TRUS can visualize and assess the zonal anatomy of the prostate (Dr. med. Matthias Oelke, 2013). Transrectal ultrasonography (TRUS) uses a rectal probe for assessing the prostate. TRUS is significantly the most accurate method for determining prostate volume. It can sometimes detect cancer (UrologyCare, 2012). Urodynamic studies and pressure flow studies.  With these procedures, a catheter is threaded through your urethra into your bladder. Water is slowly injected into your bladder. This allows doctor to measure bladder pressures and to determine how well your bladder muscles are working (MayoClinic, 2011). These should be used only if standard diagnostic tests have not been able to assess the degree of obstruction. (Dr. med. Matthias Oelke, 2013). Cystoscopy.  Also called urethrocystoscopy, may be performed in men diagnosed with BPH, particularly if they are surgical candidates or if other urinary tract problems are suspected (Chin Chong Min Urology Robotic Surgery Centre, 2013). This procedure allows your doctor to see inside your urethra and bladder. After you receive a local anesthetic, a lighted flexible telescope (cystoscope) is inserted into your urethra to look for signs of problems as shown in the Diagram 2.2.2A (MayoClinic, 2011). Intravenous pyelogram or CT urogram.  These tests can help detect urinary tract stones, tumors or blockages above the bladder. First, dye is injected into a vein, and X-rays or CT scans are taken of your kidneys, bladder and the tubes that connect your kidneys to your bladder (ureters). The dye helps outline the drainage systems of the kidneys (MayoClinic, 2011). Etiology of Benign Prostate Hyperplasia The actual cause of prostate enlargement is unknown.  However, most urologists agree that age is most definitely a factor in the development of an enlarged prostate (ProstateHealthGuide, 2012). Several theories have been proposed to explain benign cell growth in older men (University of Maryland Medical Center, 2009). Benign prostatic hyperplasia is probably a normal part of the aging process in men, caused by changes in hormone balance and in cell growth (Healthwise, 2012). Hormonal Changes Male Hormones.  Androgens (male hormones) most likely play a role in prostate growth. The most important androgen is  testosterone, which is produced in the testes throughout a mans lifetime. The prostate converts testosterone to a more powerful androgen,  dihydrotestosterone  (DHT). DHT stimulates cell growth in the tissue that lines the prostate gland (the glandular epithelium) and is the major cause of the rapid prostate enlargement that occurs between puberty and young adulthood. DHT is a prime suspect in prostate enlargement in later adulthood (University of Maryland Medical Center, 2009). Female Hormones.  The female hormone estrogen may also play a role in BPH. (Some estrogen is always present in men.) As men age, testosterone levels drop, and the proportion of estrogen increases, possibly triggering prostate growth (University of Maryland Medical Center, 2009). Late Activation of Cell Growth Another theory focuses on cells in a certain section of the gland that may become active late in life, signaling other prostate cells to replicate or causing them to be sensitive to growth-stimulating hormones (University of Maryland Medical Center, 2009). The incidence of Benign Prostate Hyperplasia Interest in alternative treatments for BPH increased after epidemiologic studies showed a lower incidence of BPH and prostate cancer in Asians compared with persons from Western countries.   The incidence of BPH is also low in vegetarian men. It is an interesting finding that BPH incidence is lower in Asian countries than in Western countries whereas Asian immigrants in the United States have the same incidence of clinical BPH as their white American counterparts. It is also to note that the lower incidence of clinical BPH of Asian men increases in immigrant generations after they have started to live in North America. One postulated explanation is the higher soy content of the typical Asian diet. Genistein, a major isoflavone ingredient of tofu, has been found to decrease the growth of hyperplastic prostate tissue in histoculture. Dietary factors are accused to explain this phenomenon since Asian people consume low-fat, high-fiber diets than Western people. In different series, it was shown that high energy and animal product diet increase the risk of BPH while fruit and vegetable based diet has a protective effect against BPH (Dr Praveen R, 2008). The incidence of BPH is 34.4 per 1,000 persons per year in the U.S. in men over age 55. The prevalence of lower urinary tract symptoms secondary to BPH in the U.S. population is 41% in black men and 34% in white men. The prevalence of BPH increases with age. Histologic BPH is present in approximately 8% of men aged 31 to 40, 50% of men aged 51 to 60, 70% of men aged 61 to 70, and 90% of men aged 81 to 90. Correspondingly, symptomatic (clinical) BPH is present in approximately 26% of men in the fifth decade of life, 33% of men in the sixth decade, 41% of men in the seventh decade, and 46% of men in the eighth decade of life and beyond (Elsevier, 2012). Mortality and Morbidity Benign prostatic hyperplasia (BPH) is a common problem among older men, and is responsible for considerable disability. However, it is an infrequent cause of death. According to the World Health Organization database, the mortality rates for most developed countries in the 1980s were 0.5 to 1.5/100,000. Death from BPH is rare in the United States. The large number of men with the symptoms of this disorder, the easy access to diagnostic tests, and the availability of drug therapy make it appropriate for the primary care provider to participate in the management of men with this disorder (Wolters Kluwer Health, 2012). BPH associated mortality is rare and serious complications are uncommon (Dr. Dan Van Syoc, 2010). Benign prostatic hyperplasia (BPH) is a common cause of morbidity among older men, (Annual Reviews, 2013) causing morbidity primarily through lower urinary tract symptoms (LUTS). The primary physician should attempt to distinguish LUTS due to BPH from the other causes of such symptoms, objectively determine symptom severity, and, when the symptoms are bothersome enough, work with the patient on a therapeutic approach to reducing symptoms while minimizing side effects (Lippincott Williams Wilkins, 2009). Surgery  consists of various approaches that resect or ablate prostate tissue.   While effective in expanding the urethral lumen and relieving symptoms, tissue resection or ablation also contributes to significant morbidity (NeoTract, 2011). However, because of the morbidity associated with the surgical treatment of this condition, alternative treatments are being developed and are coming into increasing use (National Health and Medical Research Council, 2011). Histopathology Microscopically, the prostate consists of glandular epithelium and fibromuscular stroma elements. Smooth muscle cells, fibroblasts and endothelial cells are in the stroma and the epithelial cells are secretory cells, basal cells and neuroendocrine cells (Diagram 2.6A) (Mark Frydenberg, Nathan Lawrentschuk, 2012). Both the glandular epithelial cells and the stromal cells (including muscular fibers) undergo hyperplasia in BPH. Most sources agree that of the two tissues, stromal hyperplasia predominates, but the exact ratio of the two is unclear (Wikipedia, 2013). The columnar secretory cells are tall with pale to clear cytoplasm. These cells stain positively with prostate specific antigen. Basal cells are less differentiated than secretory cells and so are devoid of secretory products such as prostate-specific antigen (PSA). Finally, neuroendocrine cells are irregularly distributed throughout ducts and acini, with a greater proportion in the ducts .The prostate has the greatest number of neuroendocrine cells of any of the genitourinary organs. Glands are structured with open and closed cell types with the open type facing the inside of the duct having a monitoring role over its contents. Most cells contain serotonin but other peptides present include somatostatin, calcitonin, gene-related peptides and katacalcin. The cells co-express PSA and prostatic acid phosphatase. Their function is unclear but it is speculated that these cells are involved with local regulation by paracrine release of peptides. Prostatic ducts and acini are distinguished by architectural pattern at low power magnification. The prostate becomes more complex with ducts and branching glands arranged in lobules and surrounded by stroma with advancing age (Mark Frydenberg, Nathan Lawrentschuk, 2012). Pathophysiology Prostatic enlargement depends on the potent androgen dihydrotestosterone (DHT). In the prostate gland, type II 5-alpha-reductase metabolizes circulating testosterone into DHT, which works locally, not systemically. DHT binds to androgen receptors in the cell nuclei, potentially resulting in BPH. In vitro studies have shown that large numbers of alpha-1-adrenergic receptors are located in the smooth muscle of the stroma and capsule of the prostate, as well as in the bladder neck. Stimulation of these receptors causes an increase in smooth-muscle tone, which can worsen LUTS. Conversely, blockade of these receptors (see Treatment and Management) can reversibly relax these muscles, with subsequent relief of LUTS. Microscopically, BPH is characterized as a hyperplastic process. The hyperplasia results in enlargement of the prostate that may restrict the flow of urine from the bladder, resulting in clinical manifestations of BPH. The prostate enlarges with age in a hormonally dependent manner. Therefore, castrated males (ie, who are unable to make testosterone) do not develop BPH. The traditional theory behind BPH is that, as the prostate enlarges, the surrounding capsule prevents it from radially expanding, potentially resulting in urethral compression. However, obstruction-induced bladder dysfunction contributes significantly to LUTS. The bladder wall becomes thickened, trabeculated, and irritable when it is forced to hypertrophy and increase its own contractile force. With the increased sensitivity (detrusor overactivity [DO]), even with small volumes of urine in the bladder, is believed to contribute to urinary frequency and LUTS. The bladder may gradually weaken and lose the ability to empty completely, leading to increased residual urine volume and, possibly, acute or chronic urinary retention. 25In the bladder, obstruction leads to smooth-muscle-cell hypertrophy. Biopsy specimens of trabeculated bladders demonstrate evidence of scarce smooth-muscle fibers with an increase in collagen. The collagen fibers limit compliance, leading to higher bladder pressures upon filling. In addition, their presence limits shortening of adjacent smooth muscle cells, leading to impaired emptying and the development of residual urine. Signs and Symptoms     When symptoms (known as lower urinary tract symptoms, or LUTS) occur, they may range from mild and barely noticeable to serious and disruptive. The amount of prostate enlargement not always related to the severity of the symptoms. Some men with only slight enlargement have serious symptoms, and some men with a great deal of enlargement have few symptoms (WebMD, 2010). The signs and symptoms of BPH (benign prostatic hyperplasia) can vary, but usually involve changes or problems with urination (eMedTV, September 2008). According to eMedTV, the following are the most common symptoms of benign prostatic hyperplasia. However, each individual may experience symptoms differently. Symptoms may include: Leaking or dribbling of urine More frequent urination, especially at night A strong or sudden urge to urinate Urine retention inability to urinate A hesitant, interrupted, weak stream of urine Trouble starting a urine stream or making more than a dribble Feeling that the bladder has not fully emptied Stopping and starting again several times while passing urine At their worst, common BPH symptoms can lead to severe symptoms such as: A weak bladder Backflow of urine causing bladder or kidney infections Complete block in the flow of urine Kidney failure. Symptoms can be quantitated by scores, such as the 7-question American Urological Association Symptom Score in Table 2.   As shown in Table 3, this score also allows doctors to monitor symptom progression from mild to severe. Sometimes these symptoms can reduce the quality of life to such a great extent that those affected build their daily routines around the condition. They avoid drinking or plan their errands around easy access to toilet facilities. If BPH is not treated, it holds considerable risks (Roehrborn CG, McConnell JD, et al. 2010).