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Jurnal Teknik Sipil Terapan
Published by Politeknik Negeri Manado
ISSN : -     EISSN : 27147843     DOI : https://doi.org/10.47600/jtst
Core Subject : Social, Engineering,
Civil Engineering, Building, Construction & Architecture Industrial & Manufacturing Engineering Social Sciences Transportation
Jurnal Teknik Sipil Terapan (JTST) is peer-reviewed journal published by Civil Engineering Department, Manado State Polytechnic, Indonesia, with aims to promote knowledges and to publish high-quality articles in the field of Civil Engineering focusing on Structural on Building Construction, Road and Bridge Construction Engineering, Construction Material Technology, Construction Management Engineering, Geothechnical Engineering, Hydrology Engineering, Environmental Engineering and other topics related to the application on Applied Civil Engineering.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 97 Documents
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S Studi Analisis Waktu Proyek Pembangunan Gedung Kementerian Koordinator 2 di IKN Menggunakan Program Evaluation and Review Technique Kaligis, Eunike Imania; Rangkang, Jeanely; Tombeg, Beldie Aryona
Jurnal Teknik Sipil Terapan Vol. 7 No. 3 (2025): E-ISSN 2714-7843
Publisher : Jurnal Teknik Sipil Terapan (JTST)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47600/jtst.v7i3.1188

Abstract

Accurate scheduling of implementation time is a crucial aspect of construction project management, especially for large-scale office building projects. This study aims to analyze the estimated project completion time using the Program Evaluation and Review Technique (PERT) method and to compare it with the actual project duration based on S-Curve data. The PERT method is used to calculate the average estimated time (te) for each project activity by considering optimistic, most likely, and pessimistic time estimates. The analysis results show that the structural work has an estimated completion time of 303 days with a probability of 96.56% (z = 1.824). When compared to the actual field duration of 321 days, an 18-day delay was identified in the structural work. This delay was caused by several factors, including work complexity, long activity durations, and interdependencies among work disciplines. This study contributes to the application of the PERT method for evaluating time performance in construction projects and serves as a reference for decision-making in time planning for similar projects.   Keywords— Project Performance, PERT, Time Estimation    
Evaluasi Sistem Jaringan Distribusi Air Bersih PAMSIMAS Desa Lubuk Tilan Kabupaten Siak Menggunakan EPANET 2.2 Fakar, Lintang Putri; Joleha, Joleha; Suprayogi, Imam
Jurnal Teknik Sipil Terapan Vol. 7 No. 3 (2025): E-ISSN 2714-7843
Publisher : Jurnal Teknik Sipil Terapan (JTST)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47600/jtst.v7i3.1225

Abstract

The distribution of clean water remains a challenge, especially in rural areas. To address this issue, the government has implemented the PAMSIMAS Program as an alternative solution for providing clean water. Howev er, due to the conventional distribution system being less than optimal, further analysis is conducted through numer ical simulations using the EPANET 2.2 software to identify problems and formulate improvement solutions. Existing condition data and technical specifications of the pipe network are used as input for the analysis, referring to the Minister of Public Works Regulation No. 18 of 2007 to evaluate pressure, velocity, and head loss at each node and pipe. Three simulations were conducted: the existing condition, system improvement simulation, and projection of clean water needs until 2040, using the geometric method to calculate population growth. In 2024, the water de mand for 224 residents was recorded at 0.257 liters/second, indicating that the flow velocity did not meet the re quired standard. As a result, improvements such as pump replacement and pipe diameter adjustments were neces sary. The 2040 projection estimates a population increase to 1,470 people with a constant service level of 18.93%, leading to a projected water demand of 0.319 liters/second. The simulation results indicate that replacing the 2 HP pump with a 3 HP unit, along with adjusting the pipe diameter from 40–50 mm to 20–40 mm.
Beton Geopopolimer Hibrid Abu Terbang untuk Kolam Penampungan Limbah Cair Kelapa Sawit Aqilla, Azzahra; Khoiri, Salsabilla Rahmadia; Arrasyid, Taufik Hatta; Irsyad, Muhamad; Delthayanti, Annesya Fabyola; Wibisono, Gunawan; Olivia, Monita
Jurnal Teknik Sipil Terapan Vol. 7 No. 3 (2025): E-ISSN 2714-7843
Publisher : Jurnal Teknik Sipil Terapan (JTST)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47600/jtst.v7i3.1226

Abstract

 Palm Oil Mill Effluent (POME) is an agro-industrial waste characterized by a low pH and high concentrations of organic pollutants, including COD and BOD, making it hazardous to the environment if untreated. This study investigates the application of fly ash-based self-healing hibrid geopolymer concrete as a sustainable material for POME stabilization ponds. The concrete mix included fly ash (75%), PCC (15%), 10% silica fume, NaOH solutions of 10M and 14M, and silicate modulus ratios of 2.5 and 3. Cylindrical concrete specimens measuring 150x210 mm were immersed in POME for 7, 14, and 28 days. Tests included compressive strength, porosity, UPV, and visual inspections. Results revealed that concrete with 14M NaOH, a silicate modulus of 3, and 10% silica fume exhibited optimal compressive strength (12.5 MPa), low porosity (9.2%), and high durability after 28 days of immersion. These findings suggest that hibrid geopolymer concrete can serve as an environmentally friendly alternative to conventional pond linings, enhancing resistance to the aggressive chemical environment of POME. Further research is recommended to explore long-term performance and field applications of this material. Keywords: Geopolymer, Palm Oil Mill Effluent, Silica Fume, Stabilization Pond        
Analisis Hidrologi dan Perencanaan Sistem Drainase Menggunakan GIS di Sub DAS Melangit Kecamatan Bangli Suprianingsih, Ni Wayan; Dayanti, M A R; Prakarsa, I M P T; Kardiyasa, K A P
Jurnal Teknik Sipil Terapan Vol. 7 No. 3 (2025): E-ISSN 2714-7843
Publisher : Jurnal Teknik Sipil Terapan (JTST)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47600/jtst.v7i3.1228

Abstract

Land use changes in the Melangit Sub-Watershed, Bangli Regency, have caused an increase in surface runoff, a decrease in infiltration capacity, and a risk of flooding in residential areas. This study aims to analyze hydrological characteristics and evaluate the capacity of the existing drainage system using a Geographic Information System (GIS) approach. The research methods included analysis of planned rainfall using the Gumbel distribution, calculation of planned discharge using the Rational method, and evaluation of channel capacity based on hydraulic parameters using the Manning equation. The results showed that the planned rainfall intensity for a 5-year return period was 177.5 mm/hour with a total runoff discharge of 40.89 m³/second. Residential areas produced the highest discharge of 11.39 m³/second, while industrial plantations produced the lowest discharge of 4.41 m³/second. Spatial analysis showed that the priority zone for drainage planning was in flat to sloping areas with high residential density. The research findings confirm that GIS-based drainage planning and conservation zoning are necessary to improve the effectiveness of runoff control and flood mitigation. In conclusion, the integration of hydrological analysis and GIS can be the basis for adaptive and sustainable drainage infrastructure planning. Keywords: Hydrological analysis, Drainage, GIS, Surface runoff, Water management system
Analisis Dampak Aktivitas Konstruksi terhadap Kualitas Udara Ambien Menggunakan Model Dispersi Gaussian di Kawasan Ubud, Bali Sutasoma, I Wayan Gde; Prakasa, I Made Panji Tirta; Dayanti, Made Ari Riska; Suprianingsih, Ni Wayan
Jurnal Teknik Sipil Terapan Vol. 7 No. 3 (2025): E-ISSN 2714-7843
Publisher : Jurnal Teknik Sipil Terapan (JTST)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47600/jtst.v7i3.1233

Abstract

Aktivitas konstruksi memiliki potensi menghasilkan emisi udara yang bersumber dari pembakaran bahan bakar alat berat dan pergerakan kendaraan proyek. Penelitian ini bertujuan untuk menilai pengaruh aktivitas konstruksi terhadap kualitas udara ambien di kawasan Ubud, Kabupaten Gianyar, Provinsi Bali. Pengukuran dilakukan pada tiga lokasi, yaitu area pintu masuk proyek, area inti pembangunan, serta permukiman warga di sekitarnya. Parameter yang diamati meliputi Sulfur Dioksida (SO?), Karbon Monoksida (CO), Nitrogen Dioksida (NO?), dan Partikulat Halus (PM?.?), dengan metode pengujian merujuk pada SNI 19-7119 (seri 2011–2017). Perhitungan beban emisi alat berat menggunakan faktor emisi CORINAIR dan pola dispersi polutan dianalisis dengan model Gaussian Plume. Hasil penelitian menunjukkan bahwa konsentrasi maksimum polutan pada jarak 25 meter masih berada jauh di bawah baku mutu udara ambien berdasarkan PP No. 22 Tahun 2021. Dengan demikian, pengaruh aktivitas konstruksi terhadap kualitas udara di lokasi penelitian tergolong sangat kecil dan tidak signifikan, sehingga kualitas udara tetap berada pada kategori sangat baik. Kata Kunci : dampak konstruksi, emisi alat berat, kualitas udara ambien, model Gaussian
Pengembangan Mekanisme Monitoring Termin Kontrak Menggunakan Pendekatan RCPS untuk Pengendalian Proyek dan Manajemen Kontrak di Direktorat Enjiniring PLN Enjiniring Tumewu, Dewi; Desiawan, Victor Assani
Jurnal Teknik Sipil Terapan Vol. 7 No. 3 (2025): E-ISSN 2714-7843
Publisher : Jurnal Teknik Sipil Terapan (JTST)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47600/jtst.v7i3.1234

Abstract

Effective monitoring of contractual milestones (termin) is essential in project and construction management because milestone validation directly influences schedule control, cost performance, and revenue recognition. In PLN Enjiniring, the existing monitoring process remains fragmented, spreadsheet-based, and weakly integrated with engineering progress, leading to inconsistent data, unreliable milestone verification, delays in billing, and deviations from planned performance. This study employs a process engineering approach supported by Root Cause Problem Solving (RCPS) to analyze systemic deficiencies, quantify their impact on construction project control, and redesign a standardized monitoring mechanism. The redesigned model introduces unified milestone indicators, integrated technical–administrative control points, and a structured verification workflow. A dashboard prototype was developed to provide real-time visualization of milestone status, deviation analysis, and revenue projections. Pilot testing across several engineering service contracts demonstrated improvements in milestone accuracy (25–30%), reduced inter-unit discrepancies (up to 30%), faster update cycles, and a 50–70% reduction in revenue reconciliation time. These findings indicate that a systematically analyzed and structured monitoring mechanism strengthens construction project control, improves schedule and cost reliability, and enhances the PMO's strategic role in engineering-based project environments.
Pengembangan Beton Precast Modular Berbasis Kearifan Lokal Mapalus Untuk Hunian Masyarakat Berpendapatan Rendah. Nendu, Auradea; Timbuleng, Abelita; Tunas, Meitrisia; Danel, Marselino; Peginusa, Stefani Switly; Assa, Vicky Alexander; Pinasang, Denny Boy; Mantiri, Hellen Grace
Jurnal Teknik Sipil Terapan Vol. 8 No. 1 (2026): E-ISSN 2714-7843
Publisher : Jurnal Teknik Sipil Terapan (JTST)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Abstrak The high housing backlog and the unsustainability of conventional construction methods remain major obstacles in providing decent housing for Low-Income Communities (MBR). This study aims to examine the development of modular precast concrete based on Mapalus local wisdom for low-income community housing, utilizing a combination of the RUSPIN framework and an innovative type 36 modular precast wall panel. The research method employs a quantitative comparative analysis to evaluate technical, cost, and time efficiency in field execution. The results indicate that implementing these modular precast concrete components reduces construction costs to IDR 182,690,460, which is more economical than the conventional method at IDR 197,908,671. Furthermore, the project scheduling is significantly shortened from 107 days to only 46 working days. The main advantage of this system lies in its lightweight components and dry connections (bolts), making it highly adaptive for integration with the Mapalus mutual cooperation social engineering system in Minahasa without heavy equipment dependency. The critical conclusion of this research proves that developing modular precast concrete technology synchronized with local wisdom effectively serves as a stimulant solution for fast, affordable, and mass MBR housing delivery. Keywords: low-income communities, mapalus, modular precast concrete, ruspin

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