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All Journal Aptekmas : Jurnal Pengabdian Kepada Masyarakat Jurnal Inovasi Konstruksi Jurnal Pengabdian Kepada Masyarakat
Herwindo, Wildan
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Studi Evaluasi Manajemen Konstruksi Pekerjaan Galian Batu dengan Peledakan pada Bangunan Pelimpah Proyek Pembangunan Bendungan Budong-Budong Simamora, Waldemar Victoryno; Naufal, Aflahan; Herwindo, Wildan; Riyanto, Didit Puji
Jurnal Inovasi Konstruksi Vol 3, No 1 (2024): April
Publisher : Politeknik Pekerjaan Umum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56911/jik.v3i1.59

Abstract

Salah satu tujuan utama pembangunan infrastruktur di Indonesia oleh Kementerian Pekerjaan Umum dan Perumahan Rakyat dalam hal menjaga ketahanan pangan dan ketahanan air adalah pembangunan bendungan. Saat ini salah satu bendungan yang sedang masa konstruksi adalah Bendungan Budong–Budong. Dalam suatu konstruksi bendungan diperlukan pembangunan bangunan pelengkap untuk menunjang berdirinya suatu bangunan bendungan. Pada pembangunan struktur bangunan pelimpah terdapat item pekerjaan galian. Pada pekerjaan galian tersebut dikategorikan menjadi galian tanah mekanis, galian batu mekanis menggunakan alat Excavator Hydraulic Breaker, dan galian batuan keras menggunakan peledakan (blasting). Sistem galian batuan keras menggunakan blasting dilakukan dengan metode peledakan terbuka yang dilakukan dengan waktu terbatas atau saat tidak ada kegiatan operasi pekerjaan. Pada penelitian ini dimaksudkan untuk mengetahui metode pelaksanaan dan estimasi biaya yang diperlukan pada pekerjaan galian batu dengan peledakan (blasting) pada bangunan pelimpah Bendungan BudongBudong. Metode penelitian yang digunakan adalah studi lapangan dengan melakukan observasi atau pengamatan. Berdasarkan hasil penelitian yang telah dilakukan, metode pelaksanaan dalam pekerjaan peledakan (blasting) galian batuan keras pada bangunan pelimpah (spillway) proyek pembangunan Bendungan Budong-Budong meliputi persiapan, pengeboran (drilling), pengisian (charging), checklist, pengecekan lokasi peledakan, peledakan (blasting), loading dan hauling hasil peledakan. Dalam lima kali observasi yang telah dilakukan, estimasi biaya dalam pekerjaan peledakan ini sudah efisien sebesar 24,55% dengan pendapatan bersih sebesar Rp231.120.492,41.
SOSIALISASI PENERAPAN TEKNOLOGI IRIGASI TETES UNTUK BUDIDAYA TANAMAN SAYURAN DI KABUPATEN SEMARANG Hetwisari, Tia; Herwindo, Wildan; Bumi, Ingerawi Sekaring; Patiroi, Andi; Aryani, Tri
Aptekmas Jurnal Pengabdian pada Masyarakat Vol 7 No 1 (2024): APTEKMAS Volume 7 Nomor 1 2024
Publisher : Politeknik Negeri Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36257/apts.v7i1.8406

Abstract

Getasan is a sub-district in Semarang Regency, Central Java, Indonesia which is located on the slopes of Mount Merbabu between Salatiga City and Magelang Regency. Batur is one of the villages in the Getasan Sub-District and is famous as one of the vegetable-producing areas in Semarang Regency. Utilization of water resources for vegetables in Batur Village currently still relies heavily on conventional irrigation which requires quite a lot of water. The implementation of a drip irrigation system is expected to be an alternative to save water use, especially during the dry season, so that vegetable production can continue throughout the year. The drip irrigation system technology implemented in Batur Village, Getasan Sub-District, Semarang Regency, needs to be known and understood by the public. Therefore, socialization as a transfer of knowledge about drip irrigation technology is needed, including community involvement in the process of installing/creating a pilot application of a drip irrigation system in their area. The results achieved in implementing this community service are the delivery of information regarding the benefits of drip irrigation technology, drip irrigation design, as well as operational and maintenance patterns of drip irrigation networks.
SOSIALISASI BETON FEROSEMEN DENGAN KETERLIBATAN P3A UNTUK PERBAIKAN JARINGAN IRIGASI DI D.I COMAL Bumi, Ingerawi Sekaring; Herwindo, Wildan; Hetwisari, Tia; Riyanto, Didit Puji; Agustina, Yanida; Widiawati, Widiawati; Shivanadya, Nerisa
Jurnal Pengabdian kepada Masyarakat Vol. 11 No. 1 (2024): JURNAL PENGABDIAN KEPADA MASYARAKAT 2024
Publisher : P3M Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/abdimas.v11i1.5595

Abstract

One of the irrigation areas in Central Java Province is the Comal Irrigation Area (D.I Comal) which is included in the Comal Watershed (DAS). D.I Comal has an area of 8946.79 Ha. The current condition of the Comal irrigation area is experiencing damage to several parts of the canal. This can cause water loss/leakage thereby reducing irrigation efficiency and effectiveness. This problem is being addressed by the Water Users Farmers Association (P3A) independently. The development of irrigation modernization goes up with the expansion of various alternative materials for irrigation channels, including ferrocement. Ferrocement is a mortar made from a homogeneous mixture of sand, cement, water and reinforced with reinforcement coated with woven wire (galvanized) with thickness of 3 to 6 cm. The Public Works Polytechnic provides community service by building a pilot irrigation repair using ferrocement concrete. The project are rehabilitation of tertiary channels and distribution boxes. This community service is in collaboration with P3A D.I Comal and the Irrigation Engineering Center. Outreach activities were also carried out to the public. It is hoped that the inclusion of PU Polytechnic in the community will provide benefits to the society in improving the quality of the irrigation network in D.I Comal.
Penilaian Kinerja Saluran Irigasi Tersier Daerah Irigasi Rentang Kabupaten Indramayu Provinsi Jawa Barat Indonesia Prasetyo, Wahyu; Nisa’, Febe Khoirun; Herwindo, Wildan
Jurnal Inovasi Konstruksi Vol 2, No 2 (2023): October
Publisher : Politeknik Pekerjaan Umum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56911/jik.v2i2.74

Abstract

Daerah Irigasi Rentang Kabupaten Indramayu memiliki permasalahan dalam pembagian air yang tidak merata. Kelebihan air terjadi di bagian hulu dan kekurangan air terjadi di bagian hilir. Hal tersebut diakibatkan oleh penurunan prasarana fisik terutama saluran irigasi tersier dan kurang optimalnya kegiatan operasi dan pemeliharaan sehingga berpengaruh pada produktifitas tanam. Oleh karena itu, perlu dilakukan penilaian kinerja saluran irigasi tersier untuk memeriksa kondisi saluran tersier khususnya saluran BD 5 Ki.2 di Daerah Irigasi Rentang. Metode penelitian yang digunakan yaitu observasi lapangan dengan melakukan penelusuran saluran irigasi tersier yaitu pengukuran dimensi penampang saluran, sedimentasi, serta panjang kerusakan saluran. Berdasarkan hasil walkthrough kondisi kinerja saluran irigasi tersier BD 5 Ki.2 menunjukkan bahwa kondisi saluran kurang baik dengan nilai kinerja saluran irigasi 52,81%.  Hasil pengukuran debit menggunakan metode apung di ruas BD 5 Ki.2-T1 (Q1) = 3,22 m3/s, ruas T1-T2 (Q2) = 1,43 m3/s, T2-K1 (Q3) = 0 m3/s. Sementara nilai debit rencana Q1 = 0,106 m3/s, Q2 = 0,072 m3/s dan Q3 = 0,042 m3/s. Penilaian kondisi kinerja saluran irigasi tersier BD 5 Ki.2 kurang baik dikarenakan terjadi penurunan debit aliran di saluran irigasi tersier BD 5 Ki.2 Daerah Irigasi Rentang.
Pengembangan Awal Alat Pemanen Alga Sistem Rotating Filtered-Drum Untuk Perbaikan Kualitas Air di Perairan Tergenang Bahri, Syamsul; Arisanto, Pranu; Suhardi, Suhardi; Herwindo, Wildan
Jurnal Inovasi Konstruksi Vol 2, No 2 (2023): October
Publisher : Politeknik Pekerjaan Umum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56911/jik.v2i2.76

Abstract

The phenomenon of overgrowth of green algae and cyanobacteria indicates a serious aquatic environmental problem from eutrophication. In aquatic ecosystems, algae are an integral part of the ecological system. But when there is abundant algae growth in the waters it causes the phenomenon of harmful alga blooms. Algae that were previously invisible, due to clumping, this group becomes invisible to the eye. The follow-up impact of the algae blooms is fish death, due to lack of oxygen at night. Algal masses that are swept by the wind onto the shores of bays and reservoir shores cause buildup and decay. Among the efforts that can be made in dealing with the phenomenon of abundant algae in waters is harvesting. In this study, the technique of harvesting by filtration and centrifugal rotation in a drum was applied. The purpose of this study was to design and build a filtration system algae harvester with a Rotating Filtered-Drum type. The results of preliminary research on filtration of water contaminated with algae from the facultative pond of the Bojongsoang-Bandung WWTP by gravity showed that the T 165 filter was able to reduce TSS levels as an indicator of algae by 72.85%. The Rotating Filtered-Drum tool requires further research for operational trials using pool water contaminated with algae. Keywords: algal blooming, lentic waters, euthrophic, green algae, cyanobacteria.
Co-Authors Agustina, Yanida arisanto, Pranu Aryani, Tri Bumi, Ingerawi Sekaring hetwisari, tia Naufal, Aflahan Nisa’, Febe Khoirun Patiroi, Andi Riyanto, Didit Puji Shivanadya, Nerisa Simamora, Waldemar Victoryno Suhardi Suhardi Syamsul Bahri Wahyu Prasetyo Widiawati Widiawati, Widiawati