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    International Journal of Innovative Science and Research Technology
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    - In the current construction services business activities, service users are increasingly innovative with the use of construction methods. This they do in addition to reduce production costs (project implementation costs), is also done to speed up construction time. One method of construction implementation used is the topdown method. Topdown method is a method that has not been widely used in Indonesia. In the Indonesian Project 1, the system of basement work performed using topdown method. The topdown method uses the kingpost structure as the main structure of temporary column replacement. The kingpost structure has a function to hold the floor load above it in order to continue the work of the floor structure underneath. In the implementation of contractors encountered many problems, one of which is the tilt of kingpost structure that impact on design changes, design changes in this case is the magnification of the dimensions of the basement column structure. The purpose of this research is to find the variables that cause the slope of kingpost structure in the project with the implementation system using the topdown method, determine the most dominant variable that affect the slope of kingpost structure in Indonesian Project 1 – Jakarta Pusat. The research method used in this research is a quantitative descriptive approach with questionnaires distributed to respondents in this case is a competent source and directly related to the topic being discussed. From result of research got 12 factor which become cause of slope of kingpost structure. After analyzing using SPSS vs.20 software, there are 4 most dominant factors such as: Skill from unpopular workforce, work tool reading error, weather condition condition, and coordination among deviations that do not work well.

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    - In the current construction services business activities, service users are increasingly innovative with the use of construction methods. This they do in addition to reduce production costs (project implementation costs), is also done to speed up construction time. One method of construction implementation used is the topdown method. Topdown method is a method that has not been widely used in Indonesia. In the Indonesian Project 1, the system of basement work performed using topdown method. The topdown method uses the kingpost structure as the main structure of temporary column replacement. The kingpost structure has a function to hold the floor load above it in order to continue the work of the floor structure underneath. In the implementation of contractors encountered many problems, one of which is the tilt of kingpost structure that impact on design changes, design changes in this case is the magnification of the dimensions of the basement column structure. The purpose of this research is to find the variables that cause the slope of kingpost structure in the project with the implementation system using the topdown method, determine the most dominant variable that affect the slope of kingpost structure in Indonesian Project 1 – Jakarta Pusat. The research method used in this research is a quantitative descriptive approach with questionnaires distributed to respondents in this case is a competent source and directly related to the topic being discussed. From result of research got 12 factor which become cause of slope of kingpost structure. After analyzing using SPSS vs.20 software, there are 4 most dominant factors such as: Skill from unpopular workforce, work tool reading error, weather condition condition, and coordination among deviations that do not work well.

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    Factors Cause of Kingpost Structure in The Work of Column Basement Science

    Uploaded by

    International Journal of Innovative Science and Research Technology
    - In the current construction services business activities, service users are increasingly innovative with the use of construction methods. This they do in addition to reduce production costs (project implementation costs), is also done to speed up construction time. One method of construction implementation used is the topdown method. Topdown method is a method that has not been widely used in Indonesia. In the Indonesian Project 1, the system of basement work performed using topdown method. The topdown method uses the kingpost structure as the main structure of temporary column replacement. The kingpost structure has a function to hold the floor load above it in order to continue the work of the floor structure underneath. In the implementation of contractors encountered many problems, one of which is the tilt of kingpost structure that impact on design changes, design changes in this case is the magnification of the dimensions of the basement column structure. The purpose of this research is to find the variables that cause the slope of kingpost structure in the project with the implementation system using the topdown method, determine the most dominant variable that affect the slope of kingpost structure in Indonesian Project 1 – Jakarta Pusat. The research method used in this research is a quantitative descriptive approach with questionnaires distributed to respondents in this case is a competent source and directly related to the topic being discussed. From result of research got 12 factor which become cause of slope of kingpost structure. After analyzing using SPSS vs.20 software, there are 4 most dominant factors such as: Skill from unpopular workforce, work tool reading error, weather condition condition, and coordination among deviations that do not work well.

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    Volume 3, Issue 6, June – 2018 International Journal of Innovative Science and Research Technology

    ISSN No:-2456-2165

    Factors Cause of Kingpost Structure in the Work of


    Column Basement Science
    (Case Study of Indonesia Project 1)
    Agus Suroso, Erry Rimawan, Windi Agus Saputro

    Abstract:- In the current construction services business line, fraud disaster.


    activities, service users are increasingly innovative with
    This research is aimed to discuss the factors causing
    the use of construction methods. This they do in addition
    the rise of the slope of the kingpost structure which resulted
    to reduce production costs (project implementation
    in the design change of the structure of the basement column
    costs), is also done to speed up construction time. One
    of the Indonesian project 1. With the hope of the results of
    method of construction implementation used is the
    this study can be used as reference material for the same
    topdown method. Topdown method is a method that has
    work in the future. The consideration in this research is due
    not been widely used in Indonesia. In the Indonesian
    to the extent of slope on the kingpost structure and the
    Project 1, the system of basement work performed using
    design change of basement column structure.
    topdown method. The topdown method uses the kingpost
    structure as the main structure of temporary column
    II. RESEARCH METHODS
    replacement. The kingpost structure has a function to
    hold the floor load above it in order to continue the work
    The research method is the flow of thought taken in
    of the floor structure underneath. In the implementation
    determining the method analysis of this research. A process
    of contractors encountered many problems, one of which
    for solving problems based on facts obtained from the field.
    is the tilt of kingpost structure that impact on design
    In this research problem its application is using quantitative
    changes, design changes in this case is the magnification
    research method.
    of the dimensions of the basement column structure. The
    purpose of this research is to find the variables that
    Quantitative research is factual research, free of
    cause the slope of kingpost structure in the project with
    prejudice using principles of analysis, using hypotheses,
    the implementation system using the topdown method,
    using objective measures and using quantitative data
    determine the most dominant variable that affect the
    quantized. Quantitative data data is expressed in the form of
    slope of kingpost structure in Indonesian Project 1 –
    numbers let nominal data ie data classification or
    Jakarta Pusat.
    categorization that shows a certain level or description.
    The research method used in this research is a
    III. RESULTS AND ANALYSIS
    quantitative descriptive approach with questionnaires
    distributed to respondents in this case is a competent
    The research data was collected in three stages through
    source and directly related to the topic being discussed.
    the distribution of questionnaires whose variables have been
    From result of research got 12 factor which become determined. The first stage is the validation of expert
    cause of slope of kingpost structure. After analyzing research in the field of construction. Having obtained the
    using SPSS vs.20 software, there are 4 most dominant variables that have been approved by the expert, the second
    factors such as: Skill from unpopular workforce, work stage of data collection is the distribution of questionnaires
    tool reading error, weather condition condition, and to the construction executor to obtain the impact of the
    coordination among deviations that do not work well. variable. Data obtained in phase two were analyzed using
    statistical calculations and program assistance like SPSS V.
    I. INTRODUCING 20 so as to get the biggest factor ranking cause the slope of
    kingpost structure. The third stage of data collection is the
    The slope of the kingpost structure raises the problem final validation of the variables obtained from the analysis to
    of basement column structure work. This is certainly not the expert to get input / comments on the impact of these
    expected by the contractor and owner. There are many variables on the slope of the kingpost structure. More details
    factors affecting the slope of the kingpost structure. Among are explained in the following sections.
    them are the factors of its human resources, tools or
    machinery, as well as the implementation and supervision at A. First Stage Data Collection
    the time of execution of the worker installation of the Spreading of the first stage questionnaire is a step to
    kingpost structure. According to Park (1979) cited in the validate the variables contained in the questionnaire by
    Journal of Civil Engineering by Idzurnida Ismail and Junaidi experts in the field of construction who have extensive
    (2014), the failure of contractors in the implementation of experience and knowledge. Experts provide comments agree
    construction projects in this case the kingpost structure often or disagree and response to research variables. The output
    occurs due to factors incompetenci, lack of managerial obtained from the validation of the expert in the form of
    experience, urbalanced experience, lack experience in the changes in writing sentences, adding variables and the

    IJISRT18JU151 www.ijisrt.com 86
    Volume 3, Issue 6, June – 2018 International Journal of Innovative Science and Research Technology
    ISSN No:-2456-2165
    reduction of variables that are considered irrelevant to the structure is often the rain that interfere with the
    purpose of the study. implementation process.
    10. Work instructions or work directions that are not
    B. Second Stage Data Collection delivered properly. Lack of training to the construction
    The second stage of data collection is the team how to instruct or deliver work.
    dissemination of questionnaires to the respondents who are 11. Lack of understanding of work methods and
    competent and experienced at least 3 years in the field of procedures that are not executed correctly. The lack of
    construction. Questionnaire distributed as many as 30 socialization conducted by the team engginer to the
    pieces. construction team made the supervisor wrong in the
    installation procedure of the kingpost structure.
    C. Test Instrument Research 12. Coordination between divisions that did not go well
    The research instrument test is conducted to test during the execution of the job of installing the kingpost
    whether the result of the questionnaire that has been structure. Coordination meetings are not carried out
    collected is valid and correct data. The instrument test in this routinely.
    study using SPSS Version 20, validity test, reliability test,
    multiple linear regression analysis, f test and t test. From 12 factors causing the slope of kingpost structure
    obtained four dominant factors causing the slope of kingpost
    IV. CONCLUSION structure of Indonesia's construction project 1.

    From the result of the research, there are 12 factors  Skill of the workforce that has not been qualified. Due
    causing the slope of the kingpost structure on the work of to the absence of training on the workforce.
    the structure of the project basement column of Indonesia 1:  There was an error reading while using the work tool
    (auto level dan total station) on the installation of the
    1. Limitations of the number of skilled laborers in the kingpost structure. In this case fully the responsibility
    execution of the installation work of the kingpost of the surveyor team.
    structure. In this case due to lack of preparation to plan  The presence of weather conditions, natural
    how many experts are needed. disturbances that hamper work activities. At the time of
    2. Skills / skills (skill) of the workforce that has not execution of the installation of kingpost structure is
    qualified. Due to the absence of training on the often the rain that interfere with the implementation
    workforce. process.
    3. Lack of experience from human resources / staff in the  Coordination between divisions that did not go well
    implementation of the work of installing kingpost. Due during the execution of the work of the kingpost
    to the lack of training of staff owned. structure. Coordination meetings are not carried out
    4. Limitations of the number of experts in the direction routinely.
    and supervision during the installation of kingpost. In
    this case due to lack of preparation to plan how many REFERENCES
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