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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL Civil Engineering Dimension Jurnal Bisnis dan Akuntansi JURNAL SUMBER DAYA AIR Jurnal Pengabdian Masyarakat Indonesia Jurnal Abdi Masyarakat Indonesia SRIWIJAYA JOURNAL OF ENVIRONMENT Journal of Civil Engineering and Technology Sciences

Susilawati Cicilia Laurentia

Teknik Sipil, Universitas 17 Agustus 1945 Semarang, Indonesia

Author-ID : 4214586

Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Public Health Social Sciences

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Articles

SPEED OF ADJUSTMENT PADA STRUKTUR MODAL: ANALISIS BERDASARKAN SIKLUS HIDUP PERUSAHAAN DI INDONESIA CICILIA SUSILAWATI; ROSALINA WIJAYANTI; CYRILLIUS MARTONO
Jurnal Bisnis dan Akuntansi Vol 22 No 1 (2020): Jurnal Bisnis dan Akuntansi
Publisher : Pusat Penelitian dan Pengabdian Masyarakat Sekolah Tinggi Ilmu Ekonomi Trisakti

At each stage of the life cycle, companies use different considerations to determine capital structure decisions. This study analyzes differences in company speed of adjustment towards optimal capital structure, based on the company's life cycle in Indonesia. The sample used 74 manufacturing companies from 2013 to 2017. The result is that the maturity company has a greater speed of adjustment than the introduction stage company. While the speed of adjustment at the growth stage there is no difference with the speed of adjustment at the introduction stage. Other findings in this study, the distance between the optimal capital structure and the realized capital structure reduces the difference in speed of adjustment at the maturity and introduction stages. So the conclusion is the company's life cycle becomes a determinant of capital structure decisions

Model Development of Rainwater Management for Agriculture Decision Support System in Semi Arid Area Susilawati C.L.; Tunggul S.
Civil Engineering Dimension Vol. 13 No. 2 (2011): SEPTEMBER 2011
Publisher : Institute of Research and Community Outreach - Petra Christian University

Land cultivation for agricultural purposes in semiarid area is usually carried out only once a year specifically during the rainy season. The condition is even worse since it is not without the risk of failure because of dry-spell or water-logging. To cope with this situation, the researchers developed a model of Rainwater Management for Agriculture Decision Supporting System (RMA-DSS). The objective of this RMA-DSS is to facilitate the decision making to build water infrastructure. Using this program it is hoped that sufficient water supply for specific crops with correct planting time can be guaranteed, which in turn will optimize harvest. The model consists of three parts, namely, rainfall-runoff-infiltration model, crop water requirement-irrigation-drainage model and rainwater management for agriculture model. The Models are designed using Microsoft Excel’s Macro Visual Basic and finalized with Visual Basic language program for operating spatial database of map object and non spatial database.

Rainwater Management Model Development for Agriculture in the Savu Island Semi-Arid Region Susilawati C.L.
Civil Engineering Dimension Vol. 14 No. 1 (2012): MARCH 2012
Publisher : Institute of Research and Community Outreach - Petra Christian University

Savu Island is a semiarid region with few rainfalls. The meager annual rainfall of about 1,000-1,500 mm that lasts for three to five months tends to cause draught. To cope with this situation, the Author tries to develop a rainwater management model located in Daieko village. This model constitutes an infrastructure that consists of check dam series which are constructed by simulating a computerized model of decision supporting system called “Rainwater Management for Agriculture Decision Support System (RMA-DSS) model” in the research location of Daieko village. Employing a simulated RMA-DSS model; the locations for check-dam series, and dug-wells can be determined, the size of potential irrigable lands can be determined based on water balance analysis of water samples taken from simulated check dams and inundated lands. Through this model the sufficiency of water supply for agricultural purposes and the land size for cultivation area can be predicted with a high degree of certainty.

Penerapan Riset Sistem Bata Kobel dalam Pengabdian Masyarakat di Dusun Serut, Desa Palbapang, Kecamatan Bantul, Kabupaten Bantul, Daerah Istimewa Yogyakarta Susilawati Cicilia Laurentia; H. Ratnawati D. P.; Agus Wibowo
Jurnal Abdi Masyarakat Indonesia Vol 2 No 1 (2022): JAMSI - Januari 2022
Publisher : CV Firmos

Gempa bumi Yogyakarta tahun 2006, menghancurkan Dusun Serut, namun muncul kebangkitan untuk membangun infrastruktur dengan pendekatan sinergitas kawasan. Artinya, pembangunan tidak terbatas pada penyediaan infrastruktur dasar saja, tetapi juga mengandung upaya peningkatan kualitas lingkungan dan pengembangan potensi dusun, dalam masterplan desa 2015-2030, didampingi oleh HRC Caritra. Permasalahan timbul bahwa permukiman belum tertata, khususnya Taman Perpustakaan JAYARI, tempat warga melakukan rembuk, yang dimanfaatkan juga untuk Pendidikan Anak Usia Dini (PAUD), sehingga menjadi lokasi penting dan strategis. Kebutuhan material bangunan ramah lingkungan, murah dan dapat dilakukan masyarakat sendiri, mendorong penerapan sistem bata Kobel dikembangkan di dusun ini. Langkah penerapan dilakukan dalam kerjasama dengan HRC Caritra, pendamping dusun selama ini, sebagai pembelajaran kolaboratif antara akademisi-mitra-masyarakat dan melibatkan mahasiswa KKN Tematik kurikulum MBKM. Pertama, dilakukan survei untuk menghasilkan rancangan desain. Selanjutnya dilakukan sosialisasi dan pelatihan sistem bata Kobel. Akhirnya, pelaksanaan dikerjakan dalam pengabdian masyarakat sebagai momen pembelajaran kolaboratif dari berbagai pihak: dosen-mahasiswa; masyarakat dan HRC Caritra, bersinergi melaksanakan pembangunan penataan taman. Hasil kegiatan akhirnya diserah terimakan bersama asset alat pres Bata Kobel. Dapat disimpulkan bahwa penerapan sistem bata Kobel memberikan kesempatan bagi dosen, mahasiswa, mitra dan masyarakat bersinergi menciptakan suatu taman ramah lingkungan, murah dan terjangkau serta menyatukan unsur akademisi-swasta-masyarakat dalam pengembangan kesejahteraan dusun.

Water-Trap Series and City Pond to Control The Destructive Power of Runoff Water from Mbay Hills Susilawati Susilawati; Pipit Skriptiana; Hartono Hartono
Sriwijaya Journal of Environment Vol 6, No 2 (2021): Environmental Risks and Resources Management
Publisher : Program Pascasarjana Universitas Sriwijaya

Weworuwet Hill, which is part of the Mbay hillside in Flores – NTT has sparse vegetation, only a stretch of grass that covers it, and is dry in the dry season like a barren teletabic hillside. This has the potential for surface water runoff, which has high destructive power, especially in the lowlands of Mbay City. To overcome this problem, a study to control the destructive force of water runoff was carried out by applying a water-trap series system, so that the potential for the destructive power of water can be reduced. Tertiary, secondary and primary runoff analysis studies are carried out to determine the location of the required water-traps. This study was conducted using a geographic information system-based program. Furthermore, the hydrological analysis of the area is carried out to determine which flood discharge can be controlled, and the volume of water that can be used for greening hills so that it can reduce the potential for damage to water runoff. The remaining water discharge in the downstream will be accommodated in the city pond, which functions as water conservation infrastructure. Finally, by applying a series of water traps on the tertiary, secondary and primary runoff from the Mbay hilly area, the destructive power of the runoff can be controlled, so that it does not impact and burden the residential plains of the town of Mbay.

Kajian Rumput Vetiver Sebagai Pengaman Lereng Secara Berkelanjutan Susilawati Susilawati; Veronika Veronika
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 22, Nomor 2, DESEMBER 2016
Publisher : Department of Civil Engineering, Diponegoro University

Flores is the island in the NTT province, which has a row of volcanoes, with the mountainous topography. Transportation is state road, along the coast with high cliffs on the other side. That often causes problems during the rainy season as several landslides. Various methods are used to overcome this landslide. Studies on vetiver grass as slope protection done to secure the slopes on a sustainable basis. First, an evaluation done for the slope construction along the slope safety from Nangaroro to Aegela, which are using vetiver grass as a safety slopes in addition to other security structures. It is also done for the same job of the road from Ende to Nangaroro and Ende-Detusoko. This study covers the technical aspects, ecological, construction and sustainability of the infrastructure that has been built. Furthermore, it is done the literature study to find more appropriate method, environmentally friendly and sustainable in securing these slopes problematic. From the literature studies and the field survey done, it can be concluded and recommended several models of eco-friendly structural design of vetiver grass and geotextile for slope protection, which is based on technical-meet standard strength, ecologically-friendly environment, locally-developed local wisdom, so it is easy to construct.

APLIKASI CROPWAT 8.0 UNTUK MERENCANAKAN POLA TANAM OPTIMAL DAN MEMAKSIMALKAN HASIL PERTANIAN DI KECAMATAN GUNUNGPATI Susilawati Cicilia Laurentia; Lesty Arlensietami
JURNAL SUMBER DAYA AIR Vol 18, No 2 (2022)
Publisher : Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v18i2.772

Perkembangan penduduk memicu peningkatan pertanian agar mampu memenuhi kebutuhan pangan. Peningkatan hasil pertanian bergantung pada kebijakan cara menyusun pola tanam dalam realita ketersediaan air dan ketersediaan lahan yang semakin terbatas, agar dapat memberikan hasil yang maksimal. Aplikasi Cropwat 8.0 adalah bagian dari sistem informasi berbasis komputer (termasuk sistem berbasis pengetahuan/manajemen pengetahuan) yang dipakai untuk mendukung pengambilan keputusan dalam menyusun pola tanam yang optimal dan memaksimalkan hasil pertanian. Tujuan penelitian ini untuk mensimulasikan beberapa alternatif pola tanam pada lahan studi dengan menggunakan aplikasi Cropwat 8.0. Dari simulasi beberapa alternatif pola tanam, ditentukan yang dapat memberikan hasil pertanian maksimal. Penelitian ini dilakukan pada peningkatan pertanian di Kecamatan Gunungpati, menggunakan aplikasi Cropwat 8.0 yang memiliki 5 modul data masukan yaitu iklim/ETo, curah hujan, tanaman, tanah dan pola tanam serta 3 modul data perhitungan yaitu kebutuhan air tanaman, jadwal pemberian air irigasi dan banyaknya kebutuhan air irigasi suatu daerah dalam liter per detik per Ha. Beberapa alternatif simulasi dilakukan dengan menggeser tanggal tanam ataupun jenis tanaman dan luasan lahan untuk menemukan pola tanam yang optimal dan memberikan hasil yang maksimal. Analisis dihasilkan secara cepat karena setiap perubahan pola tanam, langsung dapat diketahui kebutuhan air irigasi dalam liter/detik/hektar untuk menemukan hasil pertanian yang maksimal. Hasil simulasi beberapa alternatif ditemukan yang paling optimal dengan cepat. Simulasi dengan mengubah data iklim juga dihasilkan secara cepat. Hal ini sangat membantu pengambil kebijakan untuk menetapkan pola tanam yang tepat dan optimal dalam situasi perubahan iklim yang menuntut kecepatan dalam menanggapinya untuk memaksimalkan hasil pertanian agar ketersediaan pangan berkelanjutan.

ANALISIS PERHITUNGAN WAKTU DAN BIAYA PEKERJAAN GALIAN TANAH (STUDI KASUS PROYEK NORMALISASI SUNGAI JUWANA) Susilawati Sisilia Laurentia; Agus Bambang Siswanto; Tigo Mindiastiwi; Adit Priyo Santoso
Journal of Civil Engineering and Technology Sciences Vol. 1 No. 1 (2022): April: Journal of Civil Engineering and Technology Sciences
Publisher : Faculty Of Engineering University 17 August 1945 Semarang

Keberhasilan suatu proyek menuntut adanya pelaksanaan manajemen secara baik. Pelaksanaan manageman yang baik dapat mengurangi resiko terjadinya keterlambatan dan pembengkakan biaya proyek. Untuk mengatasi permasalahan tersebut diperlukan analisis perhitungan waktu dan biaya pekerjaan galian tanah. Analisis tersebut berfungsi untuk mengetahui apakah dana sisa proyek masih mencukupi atau tidak, berapa besar perkiraan biaya untuk menyelesaikan proyek maupun berapa besar proyeksi keterlambatan pada akhir proyek. Berdasarkan hasil analisis diketahaui bahwa waktu pelaksanaan untuk menggali sedimentasi sungai Juwana yang diangkut sejauh 1 km membutuhkan waktu selama 276 hari kerja, sementara yang dibuang sejauh 3 km dan 5 km membutuhkan waktu selama 282 hari kerja. Alat berat yang dioperasikan memerlukan 23 unit excavator, untuk yang diangkut 1 km diperlukan 5 unit excavator dan 10 unit dump truk. Sementara untuk yang diangkut 3 km membutuhkan 8 unit excavator dan 23 unit dump truck. Untuk yang dibuang sejauh 5 km dibutuhkan 3 unit excavator dan 13 unit dump truk. Terdapat perbedaan anggaran yang dihasilkan dari analisis sewa dan anggaran yang diajukan dalam pelaksanaan proyek, RAB proyek Rp. 28.548.548.161 hasil analisis sewa 25.267.470.000 jadi terdapat surplus sebesar Rp. 3.281.078.161

Pendampingan Masyarakat Dusun Serut, Desa Palbapang, Kecamatan Bantul, Kabupaten Bantul, D.I. Yogyakarta dalam Menerapkan Bata KOBEL untuk Mengatasi Tanah Ambles Karena Erosi Akibat Aliran Air Susilawati Cicilia Laurentia; Hetyorini Hetyorini
Jurnal Pengabdian Masyarakat Indonesia Vol 3 No 2 (2023): JPMI - April 2023
Publisher : CV Infinite Corporation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jpmi.1084

Aliran air yang mengalir dalam tanah yang memiliki butiran halus, cenderung mengangkut butiran halus tersebut. Taman PAUD Edelweis yang menerapkan bata KOBEL sebagai penutup permukaan tanahnya sekitar kolam, mengalami ambles saat hujan lebat, karena air hujan meresap ke tanah dan mengalir membawa butiran halus menuju kolam. Masalah ini mendorong untuk diterapkannya bata KOBEL juga guna memperbaiki tanah yang ambles akibat aliran air tersebut. Kegiatan pengabdian masyarakat di Dusun Serut, Palbapang, Bantul, Yogyakarta ini bertujuan untuk mendampinginya dalam menerapkan bata KOBEL mengatasi permasalahan tanah ambles. Metode pelaksanaan kegiatan diawali dengan survei lapangan, kemudian pendampingan cara menyusun bata KOBEL dalam mengatasi amblesnya tanah. Bata KOBEL memiliki 2 lubang berdiameter 5 cm, disusun membentuk suatu pipa yang berfungsi mengatur aliran air sehingga tidak membawa butiran halus mengalir/tererosi. Konsep sederhana menyediakan alur aliran air, dapat menghindarkan erosi yang terjadi sehingga tidak menimbulkan amblesnya tanah. Bata KOBEL ini terbuat dari tanah yang dipres sampai 62,5% berfungsi sebagai perbaikan tanah, sehingga permukaan tanah menjadi stabil. Penggunaan bata KOBEL mudah dilakukan dan biayanya sangat murah, dapat menyelesaikan masalah yang dihadapi masyarakat Dusun Serut. Dapat disimpulkan bahwa penerapan Bata KOBEL sangat penting untuk membantu masyarakat dalam pengadaan material bangunan yang murah, praktis tapi tetap berkwalitas.

APLIKASI CROPWAT 8.0 UNTUK MERENCANAKAN POLA TANAM OPTIMAL DAN MEMAKSIMALKAN HASIL PERTANIAN DI KECAMATAN GUNUNGPATI Laurentia, Susilawati Cicilia; Arlensietami, Lesty
JURNAL SUMBER DAYA AIR Vol 18, No 2 (2022)
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v18i2.772

Population growth triggers an increasing agriculture in order to be able to meet food needs. Increasing agricultural yields depends on policies on how to arrange cropping patterns in the reality of water availability and limited field, to provide maximum yields. The Cropwat 8.0 application is part of a computer-based information system (including knowledge-based/knowledge management systems) that is used to support decision making to arrange optimal cropping patterns and maximizing agricultural yields. The purpose of this study was to simulate several alternative cropping patterns in the study area using the Cropwat 8.0 application. From the several alternative cropping patterns simulation, it was determined which could provide maximum agricultural yields. This research was conducted on improving agriculture in Gunung Pati District, using the Cropwat 8.0 application which has 5 input data modules namely climate/ETo, rainfall, crops, soil and cropping patterns as well as 3 calculation data modules namely crop water requirements, irrigation water supply schedules and the number of irrigation water needs of an area in liters per second per Ha. Several alternative simulations are carried out by shifting the planting date or the type of plant and the area of land to find the optimal cropping pattern and provide maximum results. The analysis is generated quickly because every change in cropping pattern, it can immediately know the need for irrigation water in liters/second/hectare to find maximum agricultural yields. The simulation results of several alternatives found the most optimal quickly. Simulations by changing climate data are also generated quickly. This is very helpful for policy makers to determine the right and optimal cropping pattern in a climate change situation that demands speed in responding to maximize agricultural yields so that food availability is sustainable.Keywords: Cropwat 8.0, cropping patterns, optimization of agricultural yields, sustainable food

Co-Authors Agus Bambang Siswanto Agus Wibowo Anak Agung Istri Sri Wiadnyani Arlensietami, Lesty Cyrillius Martono Hartono Hartono Hetyorini Hetyorini Lesty Arlensietami Pipit Skriptianata Putra Pranida Ratnawati Dwi Putranti Honorata ROSALINA WIJAYANTI Tigo Mindiastiwi Tunggul S. Veronika Veronika

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