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Yatnanta Padma Devia
Brawijaya University
Civil Engineering, Building, Construction & Architecture

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Life Cycle Assessment (LCA) Analysis Of Concrete Slab Construction For Estimating The Environmental Impact Annisa Nur Rakhmawati; Yatnanta Padma Devia; Indradi Wijatmiko
Rekayasa Sipil Vol 14, No 3 (2020)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2020.014.03.10

Abstract

Global warming and air pollution become one of the environmental issues facing the world. the construction sector consumes about 40% of total global energy. Many strategies have been adopted to improve the efficiency of building construction to reduce material consumption and carbon emissions. One way to find out the environmental impact and carbon emissions produced is with a Life Cycle Assessment (LCA). This study aims to predict the environmental impact of concrete slab construction in two-story dwellings using the Life Cycle Assessment (LCA) approach of the material used with the help of software, namely Simapro 9.0. The scope of the study is the cradle to the grave. The results of the SimaPro 9.0 concrete plate construction analysis, especially in global warming are 1.02, E+07 kg CO2 eq. The biggest contribution to the manufacture of concrete slabs is the casting process with a value of 1.00, E+07 kg CO2 eq.
BEAM CONSTRUCTION IMPACT ANALYSIS BASED ON LIFE CYCLE ASSESSMENT (LCA) USING NETWORK FLOW DIAGRAM Bernardus Martino; Yatnanta Padma Devia; Indradi Wijatmiko
Rekayasa Sipil Vol 15, No 1 (2021)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2021.015.01.1

Abstract

Global warming is a problem that happened every year in many various sectors, one of those is construction. Construction projects have a unique character in each construction, therefore it will be difficult if calculating emissions from each construction process. One alternative method that able to calculate carbon dioxide emissions is Life Cycle Assessment. The purpose of this study will discuss the use of the Life Cycle Assessment method on beam products in 216 type house and analyze the CO2 emission load of all beam types. The analysis uses SimaPro software. Results of this research are that from 4 types of beams used in type 216 houses, beam-type 25/50 have the largest percentage of 41.9% and beam-type 15/30 with a percentage of 39.9% of the total CO2 emission of all beam types.
SELECTION OF FLOOR COVERING MATERIALS USING LIFE CYCLE COST ANALYSIS ON THE X APARTMENT DEVELOPMENT PROJECT SOUTH TANGERANG Muhammad Mahesa Ramadhan; Yatnanta Padma Devia; Indradi Wijatmiko
Rekayasa Sipil Vol. 16 No. 3 (2022): Rekayasa Sipil Vol.16. No.3
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2022.016.03.9

Abstract

Pengembangan suatu kawasan dapat dimulai dengan pembangunan infrastruktur, dimana salah satu contoh infrastruktur tersebut adalah apartemen yang memiliki fungsi sebagai sarana tempat tinggal dan pengembangan ekonomi di kawasan sekitar apartemen. Proyek pembangunan Apartemen X Tangerang Selatan merupakan salah satu objek yang diteliti dalam penelitian ini. Penelitian ini bertujuan untuk memilih material alternatif untuk pekerjaan lantai berdasarkan siklus bangunan menggunakan analisis life cycle cost (LCC) dengan nilai proyek yang begitu besar. Metode penelitian yang digunakan adalah analisis diagram pareto untuk memilih pekerjaan yang akan dianalisis. Analisis LCC menggunakan metode analisis present worth dengan fase gate-to-gate. Penelitian ini menunjukkan bahwa analisis LCC pada Proyek Apartemen X Tangerang Selatan didapatkan hasil pada alternatif pekerjaan lantai HT KR1B yaitu alternatif 2 sebesar Rp. 1.437.912.015 di lantai KR1A HT; alternatif yang dipilih adalah alternatif 2 sebesar Rp. 989.177.787 pada pekerjaan lantai HT KR4 alternatif terpilih yaitu alternatif 2 sebesar Rp. 1.510.914.248, dan untuk lantai marmer KR5A alternatif yang dipilih adalah alternatif 2 sebesar Rp. 617.202.771.
AN IMPLEMENTATION OF LEAN CONCEPT WITH 5S TO ELIMINATE MATERIAL WASTE IN PRECAST FACTORY Roland Gasenda Suryaningrat; Indradi Wijatmiko; Yatnanta Padma Devia
Rekayasa Sipil Vol. 17 No. 1 (2023): Rekayasa Sipil Vol. 17 No. 1
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2023.017.01.9

Abstract

Precast industry is currently experiencing an increase in demand from consumers. Due to increasing demand, a wide variety of products, and push production systems, factories suffer from excess waste, disorganized workplaces, and unhealthy working environments, so it needs a method to overcome these problems. In overcoming this problem, research was carried out by implementing a lean concept with the concept of Seiri, Seiton, Seiso, Seiketsu, Shitsuke (5S) on the handling of waste materials that occur in the precast concrete production process. Material waste is obtained from interviews and analysis of the production cost budget assisted by the Pareto 80/20 method to determine materials that are included in the waste category. From the results of the Pareto analysis, it was found that 5 materials were wasted, namely Reinforcement Ø 13, Concrete Sand, Wire, Oil Formwork Console, and PC Strand 12.7. Then the results are re-analyzed with cause analysis based on the results of brainstorming with a quantity surveyor, two material wastages were obtained, namely wire and formwork console oil. The waste will be repaired with the seiri concept in the form of making a warehouse near the work area, so that later it will eliminate material wastage so that it can save oil. 2930-liter console formwork and 5915 kilograms of wire, with a total cost savings of IDR 123,758.060
Co-Authors Annisa Nur Rakhmawati Bernardus Martino Indradi Wijatmiko Muhammad Mahesa Ramadhan Roland Gasenda Suryaningrat