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All Journal Portal: Jurnal Teknik Sipil Jurnal Sutramas J-Sil (Jurnal Teknik Sipil dan Lingkungan)
Ni Komang Armaeni
Warmadewa University
Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Environmental Science Transportation

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Estimasi Biaya Proyek pada Kontrakor Skala Kecil di Bali pada Masa Pandemi COVID-19 Ida Ayu Cri Vinantya Laksmi; Ni Komang Armaeni; I Wayan Jawat
Portal: Jurnal Teknik Sipil Vol 15, No 1 (2023): Edisi April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/portal.v15i1.3203

Abstract

Perencanaan proyek merupakan bagian dari realisasi pelaksanaan proyek. Dalam tahap perencanaan ini ada beberapa kegiatan yang dilakukan, salah satunya adalah estimasi biaya. Estimasi biaya memegang peranan penting dalam penyelenggaraan proyek, mengingat kesalahan dalam membuat estimasi proyek bisa berakibat kesalahan dalam pengambilan keputusan menjalankan proyek. Di masa pandemi Covid-19, banyak hal yang harus dipertimbangkan dalam merencanakan estimasi biaya proyek. Untuk menyelesaikan permasalahan terkait estimasi biaya proyek, dilakukan penelitian untuk mengetahui faktor serta metode yang digunakan dalam melakukan estimasi biaya. Analisis data dalam penelitian ini menggunakan metode Analytical Hierarchy Process (AHP). Hasil penelitian menunjukkan jika urutan faktor yang paling berpengaruh pada proses estimasi biaya yang dilakukan oleh kontraktor skala kecil di Bali selama pandemi Covid-19 antara lain, harga bahan dan material (14,6%), faktor harga upah (13,8%), spesifikasi proyek (12,8%), tipe bangunan (11,5%), durasi pekerjaan (10,4%), lokasi proyek (11,4%), metode yang digunakan (9,80%), sumber daya (9,50%), dan tahapan kegiatan (7,30%).
The Potential Of Land Use Objects In The Area Of Sanur Kaja Village As A Tourist Attraction Suranata Putu Gede; Ni Komang Armaeni; I Wayan Gde Erick Triswandana
Jurnal Sutramas Vol. 2 No. 1 (2022)
Publisher : Fakultas Teknik Universitas Warmadewa

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Abstract

Green Open Space (RTH) has many functions besides ecological functions as the lungs of regions. Denpasar has at least 1,091.07 Ha of RTH where not all of its potential is utilized optimally for example the RTH in Sanur Kaja Village. The current condition in the green lane area or Green Open Space (RTH) in Sanur Kaja Village is that the green belt area is not organized due to lack of attention and lack of knowledge about the green line. Many semi-permanent buildings can be seen standing irregularly in the green open space on the deeper side of the area. Apart from semi-permanent buildings, there are also many buildings designated for residential houses and other business places such as shops, cafes or restaurants, and so on. The Village Topography, especially in the area of Jl. Hangtuah and Jl. Sedap Malam is a lowland area with an altitude of 0-7 meters ASL with the use of land as a RTH covering an area of approximately 39.4311 hectares following the RTRW document for Denpasar from the year 2011-2031. From the data collection using satellite imagery and field measurements, it was found that there were violations related to the construction of buildings with residential and business designations. The recorded violations cover an area of 11.6529 hectares, leaving approximately 27.7782 hectares of existing RTH that must be saved by carrying out development to later be transformed into a tourist attraction.
Capacity Analysis of Urban Drainage Channels Using the Storm Water Management Model (SWMM): A Case Study of Jalan Raya Puputan Ni Komang Manik Trisnasari; I Gusti Ngurah Hesa Respati Haditama; Ni Komang Armaeni
Jurnal Teknik Sipil dan Lingkungan Vol. 11 No. 1: April 2026
Publisher : Departemen Teknik Sipil dan Lingkungan IPB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsil.11.1.11-22

Abstract

Urban flooding frequently occurs in areas with high rainfall intensity and limited drainage capacity. The Plaza Renon area in Denpasar City has experienced recurrent inundation events during heavy rainfall, particularly along Jalan Raya Puputan. These conditions indicate that the existing drainage system may not be capable of conveying runoff effectively. Therefore, this study aims to evaluate the capacity of the existing drainage channels and propose improvements to enhance their hydraulic performance. The research was conducted through hydrological and hydraulic analyses. Hydrological analysis included rainfall data quality testing, rainfall frequency analysis using the Gumbel distribution, rainfall intensity analysis using the Mononobe method, and estimation of design discharge using the Rational Method. Hydraulic analysis was then performed through drainage network modeling using EPA SWMM version 5.2. The developed model consisted of 48 subcatchments, 67 junctions, 74 conduits, and one outfall. The simulation results indicate that several drainage channels are unable to accommodate runoff during peak rainfall conditions, causing overflow in several locations. Four critical channels were identified, namely Channel 2, Channel 6, Channel 8, and Channel 13. Optimization was carried out by redimensioning the channels through increasing the width and depth to improve their flow capacity. The results show that the proposed channel redimensioning improves the hydraulic performance of the drainage system. After optimization, the water flow can be conveyed within the channel cross-sections without causing overflow. Therefore, the proposed improvement is expected to reduce the risk of flooding and improve the effectiveness of the drainage system in the Plaza Renon area.
Co-Authors Haditama, I Gusti Ngurah Hesa Respati I Wayan Gde Erick Triswandana I Wayan Jawat Ida Ayu Cri Vinantya Laksmi Ni Komang Manik Trisnasari Suranata, I Putu Gede