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Первые дома были построены с целью защиты своих владельцев от погоды и поэтому были очень просто – крыша отгоняя дождя или снега и стены для защиты от ветра.Здание, построенное в настоящее время можно разделить на две широкие категории: они являются для жилья или для промышленных целей.Что касается материала, здание можно разделить на камень или кирпич, бетона и дерева типов. Кирпич является искусственный материал, изготовленный из глины, потом сожгли затвердеть его. Натуральный камень (кирпичный щебень) используется для основы и фундамент для наружных стен, перевозящих груз. Здания из камня или кирпича прочный, огонь доказательство и имеют плохой коэффициент теплопроводности.Уровни уровней, которые делят здание на этапы или рассказы называются полы. Они могут быть из древесины, но в каменных зданиях они сделаны из железобетонных деталей в больших и малых размеров.Покрытия или верхние части зданий, построенных по для защиты от дождя и ветра и сохранить интерьер от воздействия погоды, называются крыши. Они должны связывать стены и дать силу и стойкость к строительству.Каждое здание должно быть красивым по внешнему виду и пропорционально в различных частях. Интерьер должен планироваться в соответствии с требованиями жильцов в то время как внешний вид должен быть простым, без каких-либо эксцессов.Любое здание, должны быть обеспечены водой, электричество, вентиляция и система отопления.Getting water into the house is called plumbing. The plumbers have also to get the water out after it has been used. The first part of this problem is called water supply and the second one is called drainage or sewerage. IIAlmost everybody saw the construction of a building and followed its progress with interest. First the excavation is dug for a basement, then the foundation walls below ground level are constructed; after this the framework is erected and clothed with various finishing materials and protected by several coats of paint.The part upon which the stability of the structure depends is the framework. It is intended for safety carrying the loads imposed. The floors, walls, roofs and other parts of the building must be carefully designed proportioned.The architect or designer must decide, what the size of the walls, the floors, the beams, the girders and the parts, which make up the framework, will be and how they will be placed and arranged.Here are the main parts of a building and their functions.Foundations serve to keep the walls and floors from contact with the soil, to guard them against the action of frost, to prevent them from sinking and settling which cause cracks in walls and uneven floors.Floors divide the building into stories. They may be either of timber or may be constructed of a fire-resisting material. Walls are built to enclose areas and carry the weight of floors and roofs. The walls may be solid or hollow. The materials used for the walls construction can be brick, stone, concrete and other natural or artificial materials.Roofs cover the building and protect it from exposure to the weather. They tie the walls and give strength and firmness to the structure. IIITurnkey construction is the type of assistance in building different facilities. In this case the employer engages the contractor to design, manufacture, test, deliver, install, complete and commission a certain project and the contractor undertakes full responsibility for the project construction and commissioning.The contractor then undertakes endeavors to conduct a survey and design work, as well as to work out basic and detailed engineering* and supply equipment. As a rule, the contractor’s highly qualified specialists are made responsible for doing part or full construction works, carrying out installation, start up and adjustment operations*.After the construction is completed the precommissioning starts, that is tasting, checking and meeting other requirements, which are specified in the technical handbooks.As soon as all works is respect of the precommissioning are completed and the projects is ready for the precommissioning, the contractor notifies the engineer (Project manager) with the message. The contractor begins the commissioning immediately after the engineer does the issue of the Completion Certificate.The contractor carries out the guarantee test during the commissioning to make sure that the project will rich the designed performance.Operational acceptance of the project takes place when the guarantee test has been successfully completed and the guarantees met. As a rule the contractor supplies spare parts so that the project could normally operate during the maintenance guarantee period.Turnkey contracts are always long-term undertakings involving several parties, among them foreign and local subcontractors. They are usually won as a result of tenders where the bidders compete for the contract on the terms most favourable for the customer.
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