STRUCTURE ANALYSIS AND FABRICATION COST ANALYSIS OF BTS 3 LEG 2nd TENANT SST45M TELECOMMUNICATION TOWER AT PT. KRAKATAU STEEL SUBHOLDING PT. KRAKATAU BAJA KONSTRUKSI

Kusuma, I Dewa Gede Ananda (2024) STRUCTURE ANALYSIS AND FABRICATION COST ANALYSIS OF BTS 3 LEG 2nd TENANT SST45M TELECOMMUNICATION TOWER AT PT. KRAKATAU STEEL SUBHOLDING PT. KRAKATAU BAJA KONSTRUKSI. S1 thesis, UNIVERSITAS ATMA JAYA YOGYAKARTA.

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Abstract

The growth of telecommunications in Indonesia in the recent decade has been very rapid, marked by the construction of telecommunications towers spread throughout Indonesia. A self-supporting telecommunications tower is a telecommunication building structure that uses a combination of steel frames as its construction material. Telecommunications towers function as support for telecommunications equipment to transmit signals that support the communication systems that we frequently use today. Many technology developers build or re-plan towers to expand networks or communication signals. In tower planning, the load that has a dominant influence is the wind load because wind is a lateral load which has a high sensitivity to steel construction buildings which tend to have low mass. The height of the tower that is made depends on the location of the tower itself. The calculation of the structure of telecommunications towers in Indonesia currently refers to the regulations of the Telecommunications Industry Association and Electronic Industries Association or better known as TIA/EIA-222-F which was officially issued in 1996. Then in early 2006 TIA/EIA-222-G was officially issued which is a revision of TIA/EIA-222-F. Furthermore, in 2018 the new Standard of TIA/EIA-222-H is governed until nowadays. All this regulation is still not used as a reference or being standardized in planning telecommunications towers in Indonesia and has additional new detail feature to be considered into the analysis. Based on the results of the structural analysis, with reference to the TIA/EIA-222- H:2018 Standard, the writer conducted an analysis of the structure, the writer considered an additional new standardized earthquake lateral load applied to the structure and determining the Maximum Stress Ratio at a wind speed of 89.48 mph [40 m/s]. Furthermore, the writer estimated the fabrication cost, limited to the structure, to be approximately Rp548,694,670.29.

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