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KAJIAN LEAN CONSTRUCTION PADA PROYEK PEMBANGUNAN JARINGAN IRIGASI SIDILANITANO KABUPATEN TAPANULI UTARA Asri Afrilliany Surbakti; Mei Brilian Harefa
JUITECH: Jurnal Ilmiah Fakultas Teknik Universitas Quality Vol 5, No 1 (2021): VOL 5 NO 1
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ju.v5i1.531

Abstract

Contractors in the construction sector have reduced the cause of their profit, namely the large costs incurred for purchasing construction materials. In utilizing material from construction that is not only for reducing costs incurred, it is more in profit in the project being implemented. The effort used to reduce waste is to use Lean construction (lean construction). The purpose of this study was to analyze the amount of waste generated from the implementation stage of the Sidilanitano irrigation network construction project in North Tapanuli Regency. So that the impact on mitigation is carried out in order to maximize the profit value of the contractor. This research method is a descriptive method and analysis is carried out directly at the project site. Data collection was carried out by field observations, interviews. The results showed that the material that caused waste cost was Pek. Reinforcement, Pek. Formwork and Dismantling Formwork and Pek. Cast Concrete K. 225. The level of application of lean construction in the Sidilanitano irrigation project in North Tapanuli Regency is not yet fully effective. However, the rest of the project material has been optimally carried out by the contractor to a minimum. Where the remaining 50 cm of iron material is stored while smaller sizes are sold. The rest of the concrete material is used to cover the stagnant roads around the project.
IMPLEMENTASI MANAJEMEN PENGOLAHAN LIMBAH KONSTRUKSI DALAM MEWUJUDKAN GREEN CONSTRUCTION (Studi Kasus : Pembangunan Transmart Carrefour Padang) Mei Brilian Harefa
JUITECH: Jurnal Ilmiah Fakultas Teknik Universitas Quality Vol 4, No 1 (2020): VOL 4 NO 1
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ju.v4i1.352

Abstract

Nowadays, the development of construction continues to increase every year so as to give impact there is environment.  Construction projects in major cities that continue to evolve require an effort in the form of green construction implementation. The reason for the implementation of green construction is to be able to realize the development of environmentally friendly environment. Also, in a development project will produce considerable waste that will have an impact on the environment. It needs to be an effort in the form of management of waste construction so that it can realize green construction. This research aims to know the project development of Transmart Carrefour Padang already implementing Green Construction, analyzing the process of waste management construction of the development of Transmart Carrefour Padang to realize the Green construction and type of construction waste generated on the construction of Transmart Carrefour Padang. The method used to obtain research data is the observation, documentation, interviews to speakers or informants on the management of construction waste processing conducted by Transmart Carrefour Padang.  The results of the research gained that in general, the project executing contractor for Transmart Carrefure Padang has been implementing green construction. So it was concluded that the implementation of construction waste management implementation to realize green construction has been good or according to standards.  Waste management process using reuse, reduce, recycle and landfill. That is quite effective in reducing the onset of construction waste. The kind of construction waste produced in the construction of Transmart Carrefour Padang is solid waste of 50%, liquid waste by 30% and gas waste by 20%.
PENGENDALIAN PELAKSANAAN PADA PROYEK JALAN DENGAN EARNED VALUE ANALYSIS Mei Brilian Harefa; Asri Afriliany Surbakti
JUITECH: Jurnal Ilmiah Fakultas Teknik Universitas Quality Vol 5, No 2 (2021): Vol 5 No. 2 Tahun 2021
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ju.v5i2.627

Abstract

This study aims to determine the cost and schedule variance (Cost Variance/CV and Schedule Variance/SV), to determine the performance index in terms of cost and time (Cost Performance Index/CPI and Schedule Performance Index/SPI) and to determine the estimated cost and time for project completion. Earned value is one of the methods used to control project implementation. The object of this research is the construction of the Mandeh 1 Tourism Access Road, in Pesisir Selatan Regency, West Sumatra Province. The method used is a descriptive method of analysis carried out by describing with a view to finding the elements, analysis and even comparisons. The data is taken directly from the field so that it is in accordance with the realization in the field. The results showed that the ACWP value was Rp. 37,571,614,926,- , BCWP value of Rp. 41.757.520.198,-, and BCWS of Rp. 41,746,238,807. The CPI value of 1.11 > 1 indicates that the Actuac cost incurred is smaller than the value of the work done or getting a profit. The SPI value of 1 = 1 indicates that the project performance is the same as the planned schedule or there is no work delay. The final cost of completing the EAC project is Rp. 37,679,192,826,18,-. The value of VAC or the difference in the budget between the plan and implementation is Rp. 4,196,794,539.95. 
ANALISIS HAMBATAN GREEN ROAD CONSTRUCTION STUDI KASUS : PROYEK PEMBANGUNAN KANTILEVER JALAN NASIONAL PARAPAT - AJIBATA Asri Afriliany Surbakti; Mei Brilian Harefa
JUITECH: Jurnal Ilmiah Fakultas Teknik Universitas Quality Vol 5, No 2 (2021): Vol 5 No. 2 Tahun 2021
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ju.v5i2.628

Abstract

Construction industry is one of the industries that has contributed the largest consumption of energy, water, natural resources, and waste generation, which cause environmental harm. Road construction is one of the construction industries that grow continuously, which can affect directly to the degradation of the environment. Green road construction is a sustainability action  which is expected to minimize environmental damage due to construction projects as it can save natural resources, water and energy. Ministerial Regulation PUPR No. 5/2015 concerning General Guidelines for the Implementation of Sustainable Construction in the Implementation of Infrastructure in the Public Works and Settlements Sector, therefore the green road construction concept should have been implemented by contractors. The object of this study was National Road Cantilever Construction Project Parapat – Ajibata, Simalungun Regency, This study aims to investigate the application of green road construction concept, constraints that encountered by contractors on the green construction concept application, and solutions for contractors. This study used a descriptive percentage method to determine the magnitude of the green road construction concept application and a qualitative descriptive method to determine the constraints and solutions. The results of this study indicate that the green road construction concept was applied with a value of 3.3 or 65.45%. Constraints that encountered in the green road construction concept application was the lack of regulation from local government to oblige green road construction concept in all construction activities and contractor needed to spend a higher cost if they initiative to implement this concept. Researcher suggest several solutions include: the issuance  of regulations regarding environmentally friendly construction by local government and awareness from contractors regarding the importance of environmentally friendly implementation.
Pengendalian Material Sisa Pada Pembangunan Gereja GBKP Desa Bukit Asri Afriliany Surbakti; Mei Brilian Harefa; Nobertus Giawa
JUITECH: Jurnal Ilmiah Fakultas Teknik Universitas Quality Vol 6, No 2 (2022): Vol 6 No. 2 Tahun 2022
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ju.v6i2.855

Abstract

The implementation of construction projects requires the use of many natural resources, one of which is construction materials. Construction materials should be well planned, from the process of planning, implementing, and controlling. By doing construction material management, it will minimize the presence of residual materials and residual materials are also not wasted. Management of residual materials from construction projects can be done with the stages of reduse (preventing / reducing), reuse (reuse), recycle (recycling), and salvage (moving). The GBKP Bukit Village church construction project is the object of this study. The purpose of this study is to find out the materials that are most often associated with the church project and to find out what are the controls carried out by construction actors to minimize the presence of residual material. The method used is to provide questionnaires to construction actors to obtain data, then the data is processed with the percentage description method to find out the most frequently residual materials and what residual material control is carried out by the contractor. The results of this study show that reinforcing iron is the material that most often occurs in construction projects. Meanwhile, control of residual materials by recycling is rarely carried out by construction actors in this project because in general construction actors have not felt it is important to recycle construction materials. In addition, construction actors' knowledge of recycling construction materials is also not enough, so construction actors feel that it is better to sell the remaining materials that can be recycled to third parties.
Kajian Penerapan K3 Pada Proyek Jalan Nasional Parapat - Ajibata Mei Brilian Harefa; Asri Afriliany Surbakti; Irfan Efendi
Jurnal Multidisiplin Madani Vol. 2 No. 8 (2022): August 2022
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/mudima.v2i8.970

Abstract

Melihat sangat pentingnya keselamatan dan kesehatan kerja (K3) dapat menciptakan rasa aman , serta  dapat mencegah terjadinya kecelakaan kerja untuk meningkatkan semangat dan produktifitas para pekerja. Penelitian  membahas mengenai pengaruh penerapan keselamatan dan kesehatan kerja (K3) terhadap produktifitas pekerja proyek jalan nasional parapat - ajiabata. Industri kontuksi diharuskan menerapkan standar Keselamatan dan  Kesehatan Kerja (K3) baru sebagaimana tercantum dalam Peraturan Menteri Ketenagakerjaan (Permenaker) No.5 Tahun 2018 tentang K3. Penelitian ini dilaksanakan pada Proyek Pembangunan Jalan Nasional Parabat – Ajbata. Metode penelitian yang digunakan dalam penelitian ini adalah kualitatif dengan metode wawancara. Secara keseluruhan penerapan K3 (keselamatan dan Kesehatan Kerja) pada Proyek Pembangunan Jalan Nasional Parapat – Ajibata sudah diterapkan dengan baik.
PERENCANAAN STRUKTUR ATAS (UPPER STRUCTURE) JEMBATAN BILAL Mei Brilian Harefa; Alif Saum Rizalitaher; Aroli Harefa
JUITECH: Jurnal Ilmiah Fakultas Teknik Universitas Quality Vol 7, No 1 (2023): Vol 7 No. 1 Tahun 2023
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ju.v7i1.1066

Abstract

Bridges are one of the important infrastructure in people's lives, because apart from being a link to facilitate transportation between two or more areas separated by rivers and valleys, the existence of bridges can indirectly increase economic growth in an area. Structurally the bridge is separated into an upper building and a lower building. According to its function, the building under the bridge supports and forwards the load from the bridge top building to a strong and stable / solid soil layer. The building under the bridge consists of an abutment and a foundation, where the abutment can also function as a bridge foundation. The upper structure on a bridge includes, among others, vehicle floors (Deck), bridge girders (Girder), bridge stiffeners, laying bridges (Bearing), and expansion joints. This study focuses on the floor of the vehicle (Deck). This study aimed to calculate the bridge floor slab. With the quality of concrete used is FC'30 Mpa, the quality of steel used Fy = 400 Mpa. While field reinforcement (Positive Bending Rebar) is used D32 – 150 reinforcement, for him reinforcement is used D22 – 150. In fulcrum reinforcement (Negative Flexural Rebar) D32 – 150 reinforcement is used and reinforcement for D22 – 150. The total deflection on the bridge floor slab is 0.1668 mm. The shear strength is factored at 379.572 kN.
Socialization about Determining Technical Specifications for Procurement of Goods and Services in Payung Village Mei Brilian Harefa; Dasrizal; Sufrial Hendri; Alif Saum Rizalitaher; Nobertus Giawa; Mhd Diky Yusnanta Tarigan
Jurnal Pengabdian Masyarakat Bestari Vol. 2 No. 8 (2023): August 2023
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/jpmb.v2i8.5607

Abstract

Government Decentralization or Regional Autonomy is a form of Central Government to Regional Governments to carry out good and systemic governance. Irregularities in the procurement system also opened up opportunities for corruption, resulting in many protests and suspicions about the integrity of the procurement process. Many village officials still do not understand the procedures for managing village funds, making these village funds less well-targeted and their utilization less than optimally received by the community. That is the reason for the importance of socializing the procurement of goods and services, especially regarding technical specifications to village officials. With this socialization, it is hoped that the community and village officials will have an understanding and knowledge of the preparation of technical specifications for the procurement of goods and services. Thus, in the future, the community and Umbrella Village officials will be able to maximize the village budget properly, efficiently, and on target.
A Socialization of Village Map Preparation in Sempajaya Village, Karo Regency Mei Brilian Harefa; Dasrizal Dasrizal; Sufrial Hendri; Alif Saum Rizalitaher; Hosea Tarigan; Sandros Timoti
Jurnal Pengabdian Masyarakat Bestari Vol. 3 No. 6 (2024): June 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/jpmb.v3i6.8102

Abstract

A village is a government unit that is given customary autonomy rights so that it is a legal entity. Village maps are basic thematic maps that contain natural elements and special theme elements that can be presented in image maps, facilities and infrastructure maps, as well as land cover and land use maps. Sempajaya Village is a village located in Berastagi District, Karo Regency, North Sumatra Province. A village map is one of the important things a village has in order to develop a roadmap for development and regional planning as well as maximizing the village's potential. Tourism and agrotourism villages are the potential of Sempajaya Village. So it is deemed necessary to have a village map which includes regional boundaries, land use, tourism potential, road access and other facilities.