ABSTRAKSanitasi sekolah merupakan salah satu faktor penting untuk meningkatkan kualitas pendidikan di Indonesia. Peningkatan akses sanitasi memberikan dampak signifikan terhadap peningkatkan kualitas kesehatan dan kenyamanan siswa di sekolah. SD Negeri Lanteng Baru merupakan salah satu SD yang masih memiliki layanan sanitasi secara terbatas, terutama pada akses sarana air bersih yang layak baik dari sisi kualitas maupun kuantitas. Kegiatan pengabdian masyarakat ini bertujuan untuk memberikan edukasi kepada para guru, mengenait persyaratan kualitas air untuk aktivitas sanitasi di sekolah, teknologi filtrasi air bersih sederhana, dan sistem pemanenan air hujan sebagai alternatif penyediaan air bersih. Metode pelaksanaan sosialisasi ini memfokuskan pada peningkatan pengetahuan partisipan khususnya para guru melalui penyuluhan, edukasi, dan rencana usulan program dalam rangka peningkatan akses air bersih layak. Hasil pelaksanaan menunjukkan para partisipan sangat antusias terhadap kegiatan sosialisasi ini. Dalam penyampaian materi sosialisasi disajikan terkait program sanitasi sekolah, seperti: pentingnya air bersih layak, persyaratan kualitas air menurut Peraturan Menteri Kesehatan Republik Indonesia Nomor 32 Tahun 2017, edukasi tentang teknologi filtrasi air bersih dan teknologi pemanenan air hujan. Terlihat adanya peningkatan pengetahuan para partisipan mencapai 90%. Para partisipan sangat mendukung adanya pengabdian masyarakat lanjutan untuk mengimplementasikan hasil sosialisasi di SD Negeri Lanteng Baru. Kata kunci: sanitasi; akses air bersih; kualitas air; filtrasi air; pemanen air hujan ABSTRACTSchool sanitation is an important factor to improve the quality of education in Indonesia. Improving access to sanitation will give a significant impact on improving the health quality and comfort of students at school. SD Negeri Lanteng Baru is one of the elementary schools that still has limited sanitation services, especially in access to clean water facilities both in terms of quality and quantity. This community service aims to provide education to teachers, regarding water quality requirements for sanitation activities in schools, simple clean water filtration technology, and rainwater harvesting systems as an alternative to providing clean water. The method of implementing this socialization focuses on increasing the knowledge of participants, especially teachers through counseling, education, and program plans in order to increase access to clean water. The results of the implementation showed that the participants were very enthusiastic about this socialization activity. In the delivery of socialization materials, it was presented related to school sanitation programs, such as: the importance of proper clean water, water quality requirements according to the Regulation of the Minister of Health of the Republic of Indonesia Number 32 of 2017, education about clean water filtration technology and rainwater harvesting technology. It can be seen that there is an increase in the knowledge of the participants reaching 90%. The participants strongly support the continued community service to implement the results of the socialization at SD Negeri Lanteng Baru. Keywords: sanitation; clean water access; water quality; water filtration; rain water harvesting
ABSTRAKSanitasi sekolah merupakan salah satu pilar penting dalam peningkatan kualitas pendidikan di Indonesia. Aspek penting penerapan sanitasi sekolah salah satunya adalah pemenuhan akses terhadap air bersih layak dan aman dari pencemaran. SD Negeri Lanteng Baru memiliki permasalahan akses sarana air bersih yang belum layak. Perlu ada alternatif lain sebagai sumber air bersih. Tujuan kegiatan untuk mengimplementasikan teknologi pemanenan air hujan sebagai alternatif penyediaan air bersih di SD Negeri Lanteng Baru, untuk keperluan fasilitas Cuci Tangan Pakai Sabun. Implementasi teknologi ini menggunakan atap bangunan perpustakaan di SD Negeri Lanteng Baru. Implementasi program, meliputi tahap pengumpulan data, perancangan desain, sosialisasi program, pemasangan, serta monitoring dan evaluasi. Hasil implementasi pemanenan air hujan di SD Negeri Lanteng Baru, terdiri dari beberapa sub-sistem, yaitu areal penangkap hujan, saluran distribusi air hujan, tangki penyimpanan, saluran pembuangan, dan media filter. Selain itu, hasil pemeriksaan sampel air pemanenan hujan menunjukkan semua parameter uji masih berada di bawah ambang batas maksimum sehingga sudah sesuai baku mutu air bersih. Mitra mendukung keberlanjutan program untuk mengimplementasikan pemanenan air hujan dengan memanfaatkan atap bangunan lain di area SD Negeri Lanteng Baru. Kata kunci: sanitasi; air bersih; pemanenan air hujan; baku mutu air ABSTRACTSchool sanitation is an important pillar in improving the quality of education in Indonesia. One of the important aspects of implementing school sanitation is the fulfillment of access to clean water and safety from defilement. SD Negeri Lanteng Baru had improper access to clean water facilities. Therefore, it needs to be an alternative source of clean water. The program aimed to implement rainwater harvesting technology as an alternative to providing clean water at SD Negeri Lanteng Baru, mainly for Handwashing with Soap facilities. The implementation of this technology involved the use of the roof of the library building at SD Negeri Lanteng Baru. The implementation stages included data collection, design planning, program socialization, installation process, monitoring, and evaluation. The results of the implementation of rainwater harvesting at SD Negeri Lanteng Baru consist of several subsystems, namely rain catchment areas, rainwater distribution channels, storage tanks, drains, and filter media. In addition, the testing results of rainwater samples indicated that all test parameters were still below the maximum threshold, so it was inherent to clean water quality standards. Partners support the continuity of programs to implement rainwater harvesting by utilizing the roofs of other buildings in SD Negeri Lanteng Baru. Keywords: sanitation; clean water; rainwater harvesting; water quality standards
The bridge analyzed is a suspension type with a function as a pedestrian bridge. The bridge has a total span of 53.75 m and a width of 1.8 m, steel construction with wooden deck. The service life factor, damage to the bridge frame, and overload are certainly a problem for this bridge structure. Evaluation of the structure using survey data from existing measurements at the bridge location, then analyzed using the SAP2000 program. The result is that all tower frames, girders, main cables, hangers, and bridge decks, the nominal capacity is still able to withstand the ultimate load. However, the deflection in the middle of the bridge span is 0.72 m and has exceeded the allowable deflection (L/200). So based on the results of the evaluation of the Dumpoh suspension bridge structure, the cross-sectional strength of the frame is still safe, but the stiffness of the deflection value does not meet.
Abstract.An aeroelastic interaction always take places in long-span bridge, i.e. the dynamic relationship between wind forces (aerodynamic) and bridge structural motion (dynamics). Wind forces may lead to serviceability and safety problems, and may even cause instability of the whole bridge structure due to the flexibility nature of long span bridge structures.The slimer girder plate will make the structure more unstable as can be seen from the occurrence of lateral deformation. This paper presents the results analysis of cable stayed bridge that has total span of 640 m, two planes configuration of harp-typed hanger cable, the A shape pylons span along 320 m (main span),and side span of 160m.Structural analysis was conducted to determine the optimum ratio between width and spans of cable stayed bridge. The bridge was modeled with various width of 7 to 22 m. Structural modelling was conducted using SAP2000 software to analyze the structural stability of cable stayed bridge under wind load at speed of 35 m/s.The influence of wind loads to the cable stayed bridge stability can be seen based on the bridge deck deformation at the Y-axis (U 2 ), in which for the width of the bridge deck of 7 m, 8 m, 9 m and 10 m, the deformation of U2 are 0.26 m; 0.17 m; 0.12 m and 0.10 m, respectively. Meanwhile, for bridge's width of 11-22 m, the value of U2 axis deformation is relatively constant between 0.08 m to 0.07 m. This finding suggests that the ratio between width and length of bridge greatly affect the stability of the cable stayed bridge. Cable-stayed bridge, especially for concrete bridge, with two plain system having optimum ratio of width and length show no sign of an aerodynamic instability when fulfills the requirements of B ≥ L / 3.
Jembatan rel kereta api BH 1828 berlokasi di Butuh, Kutoarjo, Purworejo. Desain struktur jembatan tipe through arch memiliki lebar 4,9m, panjang bentang total 46 m, dan tinggi 7,5 m. Penelitian ini bertujuan untuk memperoleh dimensi dan kebutuhan penulangan, serta besar nilai lendutan dengan mengacu pada PM No. 60 Tahun 2012 tentang Persyaratan Teknis Rel Kereta Api, SNI 2833:2016 tentang Perencanaan Jembatan Terhadap Beban Gempa, dan RSNI T-12-2004 sebagai Perencanaan Struktur Beton untuk Jembatan. Desain dilakukan secara bertahap yang dimulai dari penentuan jenis struktur yang dipergunakan, dimensi struktur, pemodelan komputer, pembebanan, perancangan tulangan dan kontrol lendutan. Berdasarkan perhitungan diperoleh dimensi; girder eksterior, interior, diafragma, dan arch memiliki dimensi 450 x 650 mm; dimensi hanger dan bracing 450 x 450 mm. Untuk nilai lendutan maksimal tengah bentang sebesar 0,054 m lebih kecil dari lendutan izin L/800 = 0,058 m.
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