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All Journal Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa Jurnal IPTEK Prosiding Seminar Nasional Sains dan Teknologi Terapan Jurnal Pasopati : Pengabdian Masyarakat dan Inovasi Pengembangan Teknologi Rekayasa: Jurnal Teknik Sipil Jurnal Teknologi dan Manajemen Jurnal Teknik Sipil Prosiding Seminar Nasional Teknologi Industri Berkelanjutan Jurnal Spesialis Teknik Sipil (JSpTS)
Harianto, Feri
Institu Teknologi Adhi Tama Surabaya
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Transportation

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Penerapan Sistem Perencana Terakhir (Pada Proyek Pembangunan SMP Al-Falah) Ferdiandika, Ahmad Fadhil; Nuciferani, Felicia T; Choiriyah, Siti; Harianto, Feri
Jurnal Spesialis Teknik Sipil (JSpTS) Vol 5 No 2 (2024)
Publisher : Magister Teknik Sipil, Fakultas Teknik, Universitas 17 Agustus 1945 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30996/jspts.v5i2.12066

Abstract

Currently, the construction sector is adopting the theory of production in the manufacturing industry, known as lean construction, to reduce waste and increase value. Last Planner System (LPS) has not been widely used and has good potential because the advantage of LPS is to identify a job along with obstacles to improve performance in a construction project. In the construction of Junior High School (SMP) Al-Falah, it has work obstacles due to erratic weather so that the project is delayed, the author conducts a field survey to analyze the actual progress in the field, LPS has work indicators / work flow to measure the extent to which work indicators can be realized properly, the LPS work flow are Master Plan, Phase & Pull Planning, Lookahead Planning, Constraints Analysis, Shielding Production, and Percent Plan Complete (PPC) as a standard for measuring whether project productivity is realized properly or not. In this study, the results of the implementation using LPS on the Al-Falah Junior High School construction project show that the lowest PPC can be seen in week 7, which is 0% because there is no work achievement so that the work is delayed, while in week 16 it can be seen that PPC has increased dramatically to 96%. Then after averaging the PPC of 51% which means that LPS has not been able to increase the reliability of planning above 70%, (Ballard, 2000).
Value Stream Mapping in MEP Work on the Pondok Tjandra Project – Surabaya Felicia Tria Nuciferani; Siti Choiriyah; Feri Harianto; Mila Kusuma Wardani; Siti Nuraini
Jurnal Teknologi dan Manajemen Vol 5, No 2 (2024): July
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2024.v5i2.5548

Abstract

During construction, waste often occurs, not only material waste, but waste can also occur in activities that do not provide added value. Waste can result in cost losses and time delays in implementing a construction project. Value Stream Mapping (VSM) is a method that can be used to minimize waste by classifying activities into value added, non value added but necessary, and non value added. Mechanical engineering work was identified in the Pondok Tjandra Sidoarjo project, namely value added as many as 69 activities (67.65%), and non value added s as many as 17 activities (16.67%), while non value added but necessary as many as 16 activities (15.69%). The largest percentage of Non Value Added (NVA) is in AC work, namely 23.53%. The activities that are classified as waste are the preparation of labor tools/equipment, work delays due to waiting for the dismantling of formwork left over from structural work, breaking down light brick walls for refrigerant pipe lines conduilt pipes, and activities for the process of breaking down light brick walls again.
Model Kurva Belajar Pemasangan U-Ditch pada Proyek Normalisasi Saluran Air di Kota Mojokerto Harianto, Feri; Permana, Andhika Agung; Nuciferani, Felicia Tria; Listyaningsih, Diah; Alrizal, Fahmi Firdaus
Prosiding SENASTITAN: Seminar Nasional Teknologi Industri Berkelanjutan Prosiding SENASTITAN Vol. 05 2025
Publisher : Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Pemasangan U-Ditch dalam proyek normalisasi saluran air memengaruhi kelancaran pekerjaan lainnya, sehingga  produktivitas kerja berperan sangat penting di proyek konstruksi. Pekerjaan berulang memungkinkan peningkatan keterampilan pekerja, yang berdampak pada pengurangan durasi pemasangan dan efisiensi biaya. Kurva belajar untuk suatu pekerjaan yang berulang tergantung pengalaman kerja sebelumnya, teknologi, dan alat.  Selain itu, keterampilan manajemen waktu juga mempengaruhi pruduktivitas kerja. Produktivitas tenaga kerja mempunyai hubungan dengan kurva belajar, dengan mengetahui model kurva belajar maka dapat mengetahui besarnya waktu yang dibutuhkan untuk suatu pekerjaan. Model kurva belajar pemasangan U-Ditch di penelitian ini adalah model wright, model de jong, model regresi exponential average dan beberapa model regresi Eksponensial. Sampel yang digunakan dalam penelitian ini adalah data waktu pemasangan U-Ditch pada proyek normalisasi saluran air di Kota Mojokerto. Besarnya sampel yang digunakan 30 pengamatan waktu dari pengangkatan U-Ditch sampai pada penempatannya dalam waktu 1 hari. Hasil penelitian ini terdapat tiga model yang terbaik, yaitu  persamaan model wright yaitu tn=5,232 n-0,242, persamaan model de jong yaitu tn=5,233 (M+(1-M) n-0,242), persamaan model regresi eksponensial yaitu tn=5,233n-0,233, dengan koefisien determinasi R2=97,49% dan kesalahan relatif terkecil bernilai 0,916. Model kurva belajar ini berkontribusi kepada produktivitas pekerjaan pelaksanaan di proyek konstruksi dalam memprediksi waktu pelaksanaan pekerjaan.
Co-Authors Agung Yoga Prasetia Ahmad Zainul Arifin Ali Khomsah Alrizal, Fahmi Firdaus Ana Lufiatul Chorimah Ardani, Annisa A Arifandi, Fazrul Rizki Arizal Firmansyah Priyono Aulady, Mohamad Ferdaus Noor Basyirotul Baroroh Chorimah, Ana Lufiatul Dewi Kusumaningrum Diah Listyaningsih Diah Listyaningsih Dian Henggar Dian Listyaningsih Efrita Arfa Zuliari Eko Mardi Setyo Fazrul Rizki Arifandi Febry Ardian S Felicia Tria Nuciferani Ferdiandika, Ahmad Fadhil Flowrenza, Ghea Ghea Flowrenza Juliandres Unitly Khomsah, Ali Lestari, Laras Laila M. Ferdaus Noor Auladi Mila Kusuma Wardani Mohamad Ferdaus Noor Aulady Mohamad Ferdaus Noor Aulady Muhammad Affandi Maulana Nuciferani, Felicia T Nurhayati, Dyan Eka Permana, Andhika Agung Pramana, Veranda Bramanta Prasetia, Agung Yoga Putri, Risca Amalia Rahma Saraswati Romy Ananda Muslim S, Febry Ardian Setyo, Eko Mardi Siti Choiriyah Siti Choiriyah Siti Nuraini Tian Rifaldi wahdania ihrom Zuliari, Efrita Arfa