Building Engineering Services Essay Example | Topics and Well Written Essays - 2250 words

Building Engineering Services - Essay spokespersonThe nut is commonly rotatably driven to achieve vertical movement. The details of different transportations systems are explained further. nip and tucks are for the most part used to transport people, called passenger elevators. They can also be used to transport materials in which trip they are called freight elevators. Whether the elevator is for people or for material, there are basically two types of systems. champion is overhead suspended elevator and another is hydraulic elevator. Suspended elevator uses steel jadeles and electric motors. These usually travel fast and are therefore used for tall buildings. Hydraulic elevator is operated by a hydraulic piston which is situated in a chamber below the elevator cab. The piston moves in a rotatory motion about its pivot which in turn makes the cab traverse vertically.Elevator cabs move along vertical guide rails. For suspended elevators, an electric motor runs which lowers and raises the cab with the help of wire ropes. These ropes are designed to suit the capacity of the cab. It also has a flexible electric cable machine-accessible to it in order to provide lightning and also to facilitate button and door signals to be transmitted.The construction of two kinds of elevators requires considerable effort below the point of lowest entry to cab. If the elevator serves the lowest building level, so it requires considerable depth of excavation and construction below the basement of the building. Also, for every cab, corridors need to be intend in the building accordingly. For material carrying elevators, the corridors should be relatively big depending upon the usage.The elevator shaft must be vertically aligned to maintain constant pressure in all floors. The size and dimensions vary depending upon size of the cab and number of elevators. For small or single cab, the area may be only of the cab but for larger cabs and for multiple elevators, the lower f loors need to have a larger base. The plan for direct single or multiple elevator cabs can be seen in the figure belowEscalators are moving stairs which serve the same purpose as an elevator. However, escalators provide a more ceaseless service compared to elevator due to the waiting time for elevators.Escalator works on the principle of transporter belts. The difference is that a pair of rotating chain loops pulls a series of stairs in a wheel around instead of a flat surface. The most important part is to make sure the steps are always in level which the escalator moves. However, at the top and bottom, the steps become in unrivaled level making it easier to get on and off. Escalator also has hand rails which move along with the escalator. The hand rail is controlled by an electric motor which runs a rubber belt around a series of wheels. It is configured in a way that the hand rail moves with the same speed as the elevator.When not operating, escalators serve as stationery st airs therefore their slopes are subject to same limits that be for stairs. Thus the plan space required for an escalator begins with that required to achieve a stair for good height.