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All Journal Indonesian Journal of Applied and Industrial Sciences (ESA) Indonesian Journal of Interdisciplinary Research in Science and Technology (MARCOPOLO)
Abdul Mubarok
Fakultas Teknik, Universitas Mpu Tantular
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Industrial & Manufacturing Engineering Social Sciences

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Analysis of the Acceleration of Work Implementation with Additional Labor and Additional Working Hours using the Time Cost Trade Off Method (Case Study of the Grand Heaven Jakarta Funeral Home Elevator Extension Structure Development Project) Ahmad Supriadi; Abdul Mubarok; Alip Prajoko; Retno Indriyati Kusuma
Indonesian Journal of Applied and Industrial Sciences (ESA) Vol. 2 No. 2 (2023): March 2023
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/esa.v2i2.3486

Abstract

The implementation of construction work is sometimes not according to the predetermined plan, such as an increase in implementation time which results in the project being late, if there are signs of a delay in a work an alternative can be done immediately to speed up the time so that the project can be carried out as previously planned. The research carried out aims to analyze the optimum time and cost of the Grand Heaven Jakarta Funeral Home Elevator Extension Structure Development project after acceleration. This research implements the method through increasing the number of working hours and employees known as time cost trade off analysis or analysis of the exchange of time and costs. The procedure is through reducing the duration of work that has been planned previously which occupies the critical path section with the aim of obtaining benefits both in terms of cost and project time. This is intended to speed up the project completion time.
Analysis of Reinforcement Connections in Columns with the Coupler Method in terms of Cost, Quality and Project Time the Stature Achmad Murtadho; Kasimir Sawito; Abdul Mubarok; Edison Hatoguan Manurung; Sarjono Puro
Indonesian Journal of Interdisciplinary Research in Science and Technology Vol. 1 No. 3 (2023): April 2023
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (648.517 KB) | DOI: 10.55927/marcopolo.v1i3.3777

Abstract

In selecting the type of material and the method of carrying out installation work on structural steel joints in the world of construction, things that must be considered in terms of cost, quality and time, there are two alternatives in selecting the type of reinforcement connection in column work, namely: lap splice and coupler, lap splice connection is a method traditional way to connect the two reinforcement when the column erection is carried out. Mechanical connection or (Coupler) is the newest method to connect two reinforcement using a coupler. The mechanical connection or connection (Coupler) does not depend on the strength of the concrete in the column, so this connection is stronger than the lapsplice connection. Data collection was carried out using the direct observation method in the field, and calculations were made on the column reinforcement joints with a tensile test (Coupler) to obtain 59.28 kgf/mm2 or 578.92 mpa. This refers to SNI-07-2052-2017 because in SNI the minimum limit for the tensile strength of reinforcing steel is 525 MPa. The calculation results show that reinforcement for 7 columns D32 with the Coupler method takes an average of 4221 minutes, or 9 days, 19 minutes/floor, and requires a total cost of 5449.50 minutes or 11 hours using the Lapsplice/overlap method. , 35 minutes/floor.
Co-Authors Achmad Murtadho Ahmad Supriadi Alip Prajoko Ida Ayu Putu Sri Widnyani Kasimir Sawito Retno Indriyati Kusuma Sarjono Puro