2. rahayu.hayat 2 LIFT (ELEVATOR) LIFT is a vertical transport equipment that efficiently moves people or goods between floors of a building or other structure. Elevators are generally powered by electric motors that either drive traction cables or counterweight systems like a hoist, or pump hydraulic fluid to raise a cylindrical piston like a jack.
3. rahayu.hayat 3 Lifadalahmesin yang digunakanutkkemudahanmengangkutpenumpang @ peralatanke unit ygtinggidalamsesebuahbangunandgnkawalanelektronik & elektrikal.
32. rahayu.hayat 23 KEPERLUAN LIF DALAM BANGUNAN 1. KehendakUndang-undang Kecil Bangunan, 1984. Menetapkanbgnygbersifatbukankediamanwajibdipasangsistemlifsekiranyabgnmelebihi 4 tkt.
51. rahayu.hayat 39 OPERATIONOF ESCALATORS are powered by constant-speed alternating current motors move at approximately 1–2 feet (0.30–0.61 m) per second. The typical angle of inclination of an escalator to the horizontal floor level is 30 degrees standard rise up to about 60 feet (18 m) Modern escalators have single piece aluminum or steel steps that move on a system of tracks in a continuous loop..
52. rahayu.hayat 40 The last wooden escalators in New York. Operated in Macy's Herald Square since 1927.
53. rahayu.hayat 41 COMPONENTS Landing platforms Truss Tracks There are actually two tracks: one for the front wheels of the steps (called the step-wheel track) and one for the back wheels of the steps (called the trailer-wheel track Steps Handrail
63. rahayu.hayat 49 MULTIPLE PARALLEL two or more escalators together that travel in one direction next to one or two escalators in the same bank that travel in the other direction
66. rahayu.hayat 52 CRISSCROSS minimizes structural space requirements by "stacking“ escalators that go in one direction. frequently used in department stores or shopping centers