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PRODUKTIVITAS BONGKAR MUAT MODA ANGKUTAN BARANG di PERGUDANGAN KOTA PAREPARE Hidayat, Rahmat; Hakzah Hakzah; Andi Bustan Didi
Jurnal Teknik Sipil dan Arsitektur Vol 31 No 1 (2026): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v31i1.5477

Logistics operations, particularly loading and unloading (L/U) activities within warehouses, constitute critical components of the supply chain. Parepare City, a logistics hub in Indonesia, faces operational challenges including prolonged waiting times and facility constraints, leading to goods congestion and diminished L/U productivity. This study aims to characterize warehouse facilities and freight transport modes while quantitatively measuring cargo handling productivity. Employing a mixed-methods approach, data were collected via field observations (including timed L/U cycles), questionnaires, and documentation across four mechanized warehouses (three commercial, one steel material facility). Multiple linear regression analysis (SPSS v.26) was applied. Field measurements revealed peak productivity at the steel warehouse (51 pieces/minute, negligible waiting time), contrasting with significant variability and extended waiting periods (e.g., 119 minutes) observed in commercial warehouses. Regression analysis identified the quantity of goods (X1), equipment performance (X2), and L/U time (X3) as statistically significant predictors of productivity (Y). The strongest model (RÂ² = 79.5%) was derived for the steel warehouse. The study concludes that strategic investment in mechanical handling equipment and enhanced scheduling protocols are imperative to mitigate waiting times and elevate overall productivity. Its novelty resides in addressing a significant gap in the regional logistics literature through an empirical focus on Parepare's unique warehouse operations.

ANALISIS RENCANA ANGGARAN BIAYA PADA PROYEK PENINGKATAN SALURAN SEKUNDER IRIGASI ALEBBONG KABUPATEN SIDENRENG RAPPANG Muh Yusuf Mubarak; Sulfanita, Andi; Didi, Andi Bustan; Muhammadiah, Muh Jabir
Jurnal Teknik Sipil dan Arsitektur Vol 31 No 1 (2026): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v31i1.5558

This study discusses the importance of managing the cost budget in construction projects that must be planned efficiently and effectively, so that project implementation can meet the main requirements, namely cost, time, and quality. The Alebbong Irrigation Area has an area of 20 Ha, but often experiences damage such as landslides so that channel repair and rehabilitation are required. This research method uses a RAB calculation analysis that refers to the need for secondary channel work and complementary buildings at the project site. The data used includes labor requirements, wages, and material costs calculated based on applicable standards. The results of the study show that the total RAB for the work is Rp 457,757,860.26 consisting of channel work and Tapping I and II work with a total volume of 2,675.503 m^3 which is rehabilitated. From this study, the cost budget plan is quite significant between the results of the RAB calculation analysis of previous studies. Therefore, it is recommended that before conducting the RAB analysis, complete data and more detailed planning drawings are needed so that the cost estimation results are more accurate.

PRODUKTIVITAS BONGKAR MUAT MODA ANGKUTAN BARANG di PERGUDANGAN KOTA PAREPARE Hidayat, Rahmat; Hakzah Hakzah; Andi Bustan Didi
Jurnal Teknik Sipil dan Arsitektur Vol 31 No 1 (2026): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v31i1.5477

Logistics operations, particularly loading and unloading (L/U) activities within warehouses, constitute critical components of the supply chain. Parepare City, a logistics hub in Indonesia, faces operational challenges including prolonged waiting times and facility constraints, leading to goods congestion and diminished L/U productivity. This study aims to characterize warehouse facilities and freight transport modes while quantitatively measuring cargo handling productivity. Employing a mixed-methods approach, data were collected via field observations (including timed L/U cycles), questionnaires, and documentation across four mechanized warehouses (three commercial, one steel material facility). Multiple linear regression analysis (SPSS v.26) was applied. Field measurements revealed peak productivity at the steel warehouse (51 pieces/minute, negligible waiting time), contrasting with significant variability and extended waiting periods (e.g., 119 minutes) observed in commercial warehouses. Regression analysis identified the quantity of goods (X1), equipment performance (X2), and L/U time (X3) as statistically significant predictors of productivity (Y). The strongest model (RÂ² = 79.5%) was derived for the steel warehouse. The study concludes that strategic investment in mechanical handling equipment and enhanced scheduling protocols are imperative to mitigate waiting times and elevate overall productivity. Its novelty resides in addressing a significant gap in the regional logistics literature through an empirical focus on Parepare's unique warehouse operations.

ANALISIS RENCANA ANGGARAN BIAYA PADA PROYEK PENINGKATAN SALURAN SEKUNDER IRIGASI ALEBBONG KABUPATEN SIDENRENG RAPPANG Muh Yusuf Mubarak; Sulfanita, Andi; Didi, Andi Bustan; Muhammadiah, Muh Jabir
Jurnal Teknik Sipil dan Arsitektur Vol 31 No 1 (2026): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v31i1.5558

This study discusses the importance of managing the cost budget in construction projects that must be planned efficiently and effectively, so that project implementation can meet the main requirements, namely cost, time, and quality. The Alebbong Irrigation Area has an area of 20 Ha, but often experiences damage such as landslides so that channel repair and rehabilitation are required. This research method uses a RAB calculation analysis that refers to the need for secondary channel work and complementary buildings at the project site. The data used includes labor requirements, wages, and material costs calculated based on applicable standards. The results of the study show that the total RAB for the work is Rp 457,757,860.26 consisting of channel work and Tapping I and II work with a total volume of 2,675.503 m^3 which is rehabilitated. From this study, the cost budget plan is quite significant between the results of the RAB calculation analysis of previous studies. Therefore, it is recommended that before conducting the RAB analysis, complete data and more detailed planning drawings are needed so that the cost estimation results are more accurate.

Analisis Karakteristik Beton Dengan Variasi Serbuk Cangkang Keong Sawah Sebagai Pengganti Parsial Semen Dan Sikament NN Abdul Rajab Al Munawar; Andi Sulfanita; Andi Bustan Didi; M. Jabir M
Jurnal Serambi Engineering Vol. 11 No. 2 (2026): April 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Beton merupakan material konstruksi yang banyak digunakan, namun produksi semen sebagai bahan utamanya berkontribusi besar terhadap emisi karbon. Oleh karena itu, diperlukan inovasi beton ramah lingkungan dengan memanfaatkan limbah, salah satunya serbuk cangkang keong sawah yang kaya kalsium karbonat (CaCO₃). Penelitian ini bertujuan menganalisis pengaruh penggunaan serbuk cangkang keong sawah sebagai pengganti parsial semen dengan penambahan Sikament NN terhadap karakteristik beton, khususnya nilai slump dan kuat tekan. Metode penelitian yang digunakan adalah eksperimen laboratorium dengan variasi substitusi serbuk cangkang keong sawah sebesar 0%, 5%, 10%, dan 15% dari berat semen serta penambahan Sikament NN sebesar 1%. Benda uji berupa silinder beton diuji kuat tekannya pada umur 28 hari. Hasil penelitian menunjukkan bahwa variasi 5% serbuk cangkang keong sawah menghasilkan kuat tekan optimal, sedangkan substitusi di atas 10% cenderung menurunkan kuat tekan. Serbuk cangkang keong sawah berpotensi sebagai bahan substitusi parsial semen ramah lingkungan dengan persentase tertentu.

Analisis Dampak Sedimentasi Terhadap Perubahan Debit Dan Energi Spesifik Saluran D.I. Bila Wajo Sulawesi Selatan Anggryawan; Rahmawati; Andi Bustan Didi; M. Jabir M
Jurnal Serambi Engineering Vol. 11 No. 3 (2026): Juli 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Irigasi Bila Wajo merupakan salah satu jaringan irigasi yang berperan penting dalam mendukung kebutuhan air pertanian di Kabupaten Sidenreng Rappang dan Kabupaten Wajo. Kondisi Saluran Bangunan Bila Kiri (B.BKr.23) saat ini menunjukkan tingginya tingkat sedimentasi yang mempengaruhi kapasitas aliran dan kinerja saluran. Penelitian ini bertujuan untuk mengetahui pengaruh sedimentasi terhadap perubahan luas penampang basah, kecepatan aliran, debit aliran, dan energi spesifik pada saluran irigasi. Metode penelitian yang digunakan adalah metode kuantitatif deskriptif melalui pengukuran langsung di lapangan menggunakan current meter serta pengujian konsentrasi sedimen di laboratorium. Pengambilan data dilakukan pada bagian hulu, tengah, dan hilir saluran. Hasil penelitian menunjukkan bahwa sedimentasi menyebabkan penurunan luas penampang basah dari 8,652 m2 menjadi 7,722 m2 di bagian hulu dan tengah, serta menjadi 7,56 m2 di bagian hilir. Kecepatan aliran mengalami penurunan dari 0,983 m/dtk menjadi 0,733 m/dtk di hulu, 0,719 m/dtk di tengah, dan 0,713 m/dtk di hilir. Debit aliran juga mengalami penurunan dari 8,416 m3/dtk menjadi 5,637 m3/dtk di hulu, 5,552 m3/dtk di tengah, dan 5,390 m3/dtk di hilir. Penurunan kapasitas aliran akibat sedimentasi berdampak terhadap penurunan kinerja saluran hingga mencapai 88,16% pada bagian hilir. Berdasarkan hasil penelitian dapat disimpulkan bahwa sedimentasi memberikan pengaruh signifikan terhadap perubahan debit dan energi spesifik saluran irigasi.

Analisis Struktur Rumah Tinggal dan Kost 3 Lantai menggunakan Software Etabs Abdul Rahmatullah; Adnan; Kasmaida; Andi Bustan Didi
Jurnal Serambi Engineering Vol. 11 No. 3 (2026): Juli 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Padatnya penduduk di wilayah perkotaan menyebabkan keterbatasan lahan sehingga pembangunan rumah bertingkat menjadi solusi untuk memenuhi kebutuhan hunian. Kondisi ini menuntut perencanaan struktur yang aman terhadap berbagai pembebanan, terutama beban gempa. Penelitian ini bertujuan menganalisis struktur rumah tinggal dan kost 3 lantai menggunakan software ETABS serta membandingkannya dengan analisis manual metode statik ekivalen. Analisis dilakukan berdasarkan SNI 1726:2019, SNI 1727:2020, dan SNI 2847:2019. Parameter yang dibandingkan meliputi berat seismik, gaya geser dasar (base shear), momen, dan gaya lateral akibat gempa. Hasil analisis ETABS menghasilkan berat seismik 6503,01 kN dan base shear 610,70 kN, sedangkan analisis manual menghasilkan berat seismik 6400,27 kN dan base shear 601,24 kN. Verifikasi menunjukkan selisih 1–4% pada seluruh parameter, masih di bawah batas toleransi 5%. Dengan demikian, hasil analisis ETABS memiliki tingkat kesesuaian yang baik dan layak digunakan untuk analisis struktur terhadap beban gempa.

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